| /******************************************************************************* |
| * Copyright (c) 2000, 2011 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.swt.widgets; |
| |
| |
| import org.eclipse.swt.internal.carbon.CFRange; |
| import org.eclipse.swt.internal.carbon.DataBrowserAccessibilityItemInfo; |
| import org.eclipse.swt.internal.carbon.OS; |
| import org.eclipse.swt.internal.carbon.DataBrowserCallbacks; |
| import org.eclipse.swt.internal.carbon.DataBrowserCustomCallbacks; |
| import org.eclipse.swt.internal.carbon.DataBrowserListViewColumnDesc; |
| import org.eclipse.swt.internal.carbon.DataBrowserListViewHeaderDesc; |
| import org.eclipse.swt.internal.carbon.HMHelpContentRec; |
| import org.eclipse.swt.internal.carbon.Rect; |
| import org.eclipse.swt.internal.carbon.CGPoint; |
| |
| import org.eclipse.swt.*; |
| import org.eclipse.swt.events.*; |
| import org.eclipse.swt.graphics.*; |
| |
| /** |
| * Instances of this class provide a selectable user interface object |
| * that displays a hierarchy of items and issues notification when an |
| * item in the hierarchy is selected. |
| * <p> |
| * The item children that may be added to instances of this class |
| * must be of type <code>TreeItem</code>. |
| * </p><p> |
| * Style <code>VIRTUAL</code> is used to create a <code>Tree</code> whose |
| * <code>TreeItem</code>s are to be populated by the client on an on-demand basis |
| * instead of up-front. This can provide significant performance improvements for |
| * trees that are very large or for which <code>TreeItem</code> population is |
| * expensive (for example, retrieving values from an external source). |
| * </p><p> |
| * Here is an example of using a <code>Tree</code> with style <code>VIRTUAL</code>: |
| * <code><pre> |
| * final Tree tree = new Tree(parent, SWT.VIRTUAL | SWT.BORDER); |
| * tree.setItemCount(20); |
| * tree.addListener(SWT.SetData, new Listener() { |
| * public void handleEvent(Event event) { |
| * TreeItem item = (TreeItem)event.item; |
| * TreeItem parentItem = item.getParentItem(); |
| * String text = null; |
| * if (parentItem == null) { |
| * text = "node " + tree.indexOf(item); |
| * } else { |
| * text = parentItem.getText() + " - " + parentItem.indexOf(item); |
| * } |
| * item.setText(text); |
| * System.out.println(text); |
| * item.setItemCount(10); |
| * } |
| * }); |
| * </pre></code> |
| * </p><p> |
| * Note that although this class is a subclass of <code>Composite</code>, |
| * it does not normally make sense to add <code>Control</code> children to |
| * it, or set a layout on it, unless implementing something like a cell |
| * editor. |
| * </p><p> |
| * <dl> |
| * <dt><b>Styles:</b></dt> |
| * <dd>SINGLE, MULTI, CHECK, FULL_SELECTION, VIRTUAL, NO_SCROLL</dd> |
| * <dt><b>Events:</b></dt> |
| * <dd>Selection, DefaultSelection, Collapse, Expand, SetData, MeasureItem, EraseItem, PaintItem</dd> |
| * </dl> |
| * </p><p> |
| * Note: Only one of the styles SINGLE and MULTI may be specified. |
| * </p><p> |
| * IMPORTANT: This class is <em>not</em> intended to be subclassed. |
| * </p> |
| * |
| * @see <a href="http://www.eclipse.org/swt/snippets/#tree">Tree, TreeItem, TreeColumn snippets</a> |
| * @see <a href="http://www.eclipse.org/swt/examples.php">SWT Example: ControlExample</a> |
| * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a> |
| * @noextend This class is not intended to be subclassed by clients. |
| */ |
| public class Tree extends Composite { |
| TreeItem [] items; |
| TreeColumn [] columns; |
| TreeColumn sortColumn; |
| int [] childIds; |
| GC paintGC; |
| int sortDirection; |
| int columnCount, column_id, idCount, anchorFirst, anchorLast, savedAnchor, headerHeight; |
| boolean ignoreRedraw, ignoreSelect, wasSelected, ignoreExpand, wasExpanded, inClearAll, drawBackground; |
| Rectangle imageBounds; |
| TreeItem showItem; |
| TreeItem insertItem; |
| boolean insertBefore; |
| int lastHittest, lastHittestColumn, visibleCount; |
| static final int CHECK_COLUMN_ID = 1024; |
| static final int COLUMN_ID = 1025; |
| static final int GRID_WIDTH = 1; |
| static final int ICON_AND_TEXT_GAP = 4; |
| static final int CELL_CONTENT_INSET = 12; |
| static final int BORDER_INSET = 1; |
| static final int DISCLOSURE_COLUMN_EDGE_INSET = 8; |
| static final int DISCLOSURE_COLUMN_LEVEL_INDENT = 24; |
| static final int DISCLOSURE_TRIANGLE_AND_CONTENT_GAP = 8; |
| static final String [] AX_ATTRIBUTES = { |
| OS.kAXTitleAttribute, |
| }; |
| |
| /** |
| * Constructs a new instance of this class given its parent |
| * and a style value describing its behavior and appearance. |
| * <p> |
| * The style value is either one of the style constants defined in |
| * class <code>SWT</code> which is applicable to instances of this |
| * class, or must be built by <em>bitwise OR</em>'ing together |
| * (that is, using the <code>int</code> "|" operator) two or more |
| * of those <code>SWT</code> style constants. The class description |
| * lists the style constants that are applicable to the class. |
| * Style bits are also inherited from superclasses. |
| * </p> |
| * |
| * @param parent a composite control which will be the parent of the new instance (cannot be null) |
| * @param style the style of control to construct |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> |
| * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> |
| * </ul> |
| * |
| * @see SWT#SINGLE |
| * @see SWT#MULTI |
| * @see SWT#CHECK |
| * @see SWT#FULL_SELECTION |
| * @see SWT#VIRTUAL |
| * @see SWT#NO_SCROLL |
| * @see Widget#checkSubclass |
| * @see Widget#getStyle |
| */ |
| public Tree (Composite parent, int style) { |
| super (parent, checkStyle (style)); |
| } |
| |
| void _addListener (int eventType, Listener listener) { |
| super._addListener (eventType, listener); |
| for (int i = 0; i < items.length; i++) { |
| if (items [i] != null) items [i].width = -1; |
| } |
| } |
| |
| int _getId () { |
| return _getIds (1) [0]; |
| } |
| |
| int [] _getIds (int count) { |
| int [] newIds = new int [count]; |
| int index = 0; |
| if ((style & SWT.VIRTUAL) == 0) { |
| for (int i=0; i<items.length; i++) { |
| if (items [i] == null) { |
| newIds [index++] = i + 1; |
| if (index == count) return newIds; |
| } |
| } |
| int next = items.length; |
| while (index < count) { |
| newIds [index++] = next + 1; |
| next++; |
| } |
| return newIds; |
| } |
| |
| boolean [] reserved = new boolean [items.length]; |
| if (childIds != null) { |
| for (int i=0; i<childIds.length; i++) { |
| int usedId = childIds [i]; |
| if (usedId != 0) { |
| if (usedId > reserved.length) { |
| boolean [] newReserved = new boolean [usedId + 4]; |
| System.arraycopy (reserved, 0, newReserved, 0, reserved.length); |
| reserved = newReserved; |
| } |
| reserved [usedId - 1] = true; |
| } |
| } |
| } |
| for (int i=0; i<items.length; i++) { |
| if (items [i] != null) { |
| reserved [i] = true; |
| int [] ids = items [i].childIds; |
| if (ids != null) { |
| for (int j=0; j<ids.length; j++) { |
| int usedId = ids [j]; |
| if (usedId != 0) { |
| if (usedId > reserved.length) { |
| boolean [] newReserved = new boolean [usedId + 4]; |
| System.arraycopy (reserved, 0, newReserved, 0, reserved.length); |
| reserved = newReserved; |
| } |
| reserved [usedId - 1] = true; |
| } |
| } |
| } |
| } |
| } |
| for (int i=0; i<reserved.length; i++) { |
| if (!reserved [i]) { |
| newIds [index++] = i + 1; |
| if (index == count) return newIds; |
| } |
| } |
| int next = reserved.length; |
| while (index < count) { |
| newIds [index++] = next + 1; |
| next++; |
| } |
| return newIds; |
| } |
| |
| TreeItem _getItem (int id, boolean create) { |
| if (id < 1) return null; |
| TreeItem item = id - 1 < items.length ? items [id - 1] : null; |
| if (item != null || (style & SWT.VIRTUAL) == 0 || !create) return item; |
| if (childIds != null) { |
| for (int i=0; i<childIds.length; i++) { |
| if (childIds [i] == id) { |
| return _getItem (null, i); |
| } |
| } |
| } |
| for (int i=0; i<items.length; i++) { |
| TreeItem parentItem = items [i]; |
| if (parentItem != null && parentItem.childIds != null) { |
| int [] ids = parentItem.childIds; |
| for (int j=0; j<ids.length; j++) { |
| if (ids [j] == id) { |
| return _getItem (parentItem, j); |
| } |
| } |
| } |
| } |
| return null; |
| } |
| |
| TreeItem _getItem (TreeItem parentItem, int index) { |
| int count = getItemCount (parentItem); |
| if (index < 0 || index >= count) return null; |
| int [] ids = parentItem == null ? childIds : parentItem.childIds; |
| int id = ids [index]; |
| if (id == 0) { |
| id = _getId (); |
| ids [index] = id; |
| } |
| if (id > items.length) { |
| TreeItem [] newItems = new TreeItem [id + 4]; |
| System.arraycopy(items, 0, newItems, 0, items.length); |
| items = newItems; |
| } |
| TreeItem item = items [id - 1]; |
| if (item != null || (style & SWT.VIRTUAL) == 0) return item; |
| item = new TreeItem (this, parentItem, SWT.NONE, index, false); |
| item.id = id; |
| items [id - 1] = item; |
| return item; |
| } |
| |
| /** |
| * Adds the listener to the collection of listeners who will |
| * be notified when the user changes the receiver's selection, by sending |
| * it one of the messages defined in the <code>SelectionListener</code> |
| * interface. |
| * <p> |
| * When <code>widgetSelected</code> is called, the item field of the event object is valid. |
| * If the receiver has the <code>SWT.CHECK</code> style and the check selection changes, |
| * the event object detail field contains the value <code>SWT.CHECK</code>. |
| * <code>widgetDefaultSelected</code> is typically called when an item is double-clicked. |
| * The item field of the event object is valid for default selection, but the detail field is not used. |
| * </p> |
| * |
| * @param listener the listener which should be notified when the user changes the receiver's selection |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @see SelectionListener |
| * @see #removeSelectionListener |
| * @see SelectionEvent |
| */ |
| public void addSelectionListener(SelectionListener listener) { |
| checkWidget (); |
| if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); |
| TypedListener typedListener = new TypedListener (listener); |
| addListener (SWT.Selection, typedListener); |
| addListener (SWT.DefaultSelection, typedListener); |
| } |
| |
| /** |
| * Adds the listener to the collection of listeners who will |
| * be notified when an item in the receiver is expanded or collapsed |
| * by sending it one of the messages defined in the <code>TreeListener</code> |
| * interface. |
| * |
| * @param listener the listener which should be notified |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @see TreeListener |
| * @see #removeTreeListener |
| */ |
| public void addTreeListener(TreeListener listener) { |
| checkWidget (); |
| if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); |
| TypedListener typedListener = new TypedListener (listener); |
| addListener (SWT.Expand, typedListener); |
| addListener (SWT.Collapse, typedListener); |
| } |
| |
| int calculateWidth (int [] ids, GC gc, boolean recurse, int level, int levelIndent) { |
| if (ids == null) return 0; |
| int width = 0; |
| for (int i=0; i<ids.length; i++) { |
| TreeItem item = _getItem (ids [i], false); |
| if (item != null) { |
| int itemWidth = item.calculateWidth (0, gc); |
| itemWidth += level * levelIndent; |
| width = Math.max (width, itemWidth); |
| if (recurse && item._getExpanded ()) { |
| width = Math.max (width, calculateWidth (item.childIds, gc, recurse, level + 1, levelIndent)); |
| } |
| } |
| } |
| return width; |
| } |
| |
| int callPaintEventHandler (int control, int damageRgn, int visibleRgn, int theEvent, int nextHandler) { |
| /* |
| * Feature in the Macintosh. The draw item proc is not called if the column width |
| * is zero. This means that the SWT.MeasureItem listener is not called and the column |
| * does not get wider ever. The fix is to change the column width to one. |
| */ |
| if (columnCount == 0 && (hooks (SWT.MeasureItem) || hooks (SWT.EraseItem) || hooks (SWT.PaintItem))) { |
| short [] width = new short [1]; |
| OS.GetDataBrowserTableViewNamedColumnWidth (handle, column_id, width); |
| if (width [0] == 0) { |
| OS.SetDataBrowserTableViewNamedColumnWidth (handle, column_id, (short) 1); |
| } |
| } |
| GC currentGC = paintGC; |
| if (currentGC == null) { |
| GCData data = new GCData (); |
| data.paintEvent = theEvent; |
| data.visibleRgn = visibleRgn; |
| paintGC = GC.carbon_new (this, data); |
| } |
| drawBackground = findBackgroundControl () != null; |
| int result = super.callPaintEventHandler (control, damageRgn, visibleRgn, theEvent, nextHandler); |
| if (getItemCount () == 0 && drawBackground) { |
| drawBackground = false; |
| Rectangle rect = getClientArea (); |
| int headerHeight = getHeaderHeight (); |
| rect.y += headerHeight; |
| rect.height -= headerHeight; |
| fillBackground (handle, paintGC.handle, rect); |
| } |
| if (insertItem != null && !insertItem.isDisposed()) { |
| Rectangle itemRect = insertItem.getImageBounds(0).union(insertItem.getBounds()); |
| Rectangle clientRect = getClientArea(); |
| int x = clientRect.x + clientRect.width; |
| int posY = insertBefore ? itemRect.y : itemRect.y + itemRect.height - 1; |
| paintGC.drawLine(itemRect.x, posY, x, posY); |
| } |
| if (currentGC == null) { |
| paintGC.dispose (); |
| paintGC = null; |
| } |
| return result; |
| } |
| |
| boolean checkData (TreeItem item, boolean redraw) { |
| if (item.cached) return true; |
| if ((style & SWT.VIRTUAL) != 0) { |
| item.cached = true; |
| Event event = new Event (); |
| TreeItem parentItem = item.getParentItem (); |
| event.item = item; |
| event.index = parentItem == null ? indexOf (item) : parentItem.indexOf (item); |
| ignoreRedraw = true; |
| sendEvent (SWT.SetData, event); |
| //widget could be disposed at this point |
| ignoreRedraw = false; |
| if (isDisposed () || item.isDisposed ()) return false; |
| if (redraw) { |
| if (!setScrollWidth (item)) item.redraw (OS.kDataBrowserNoItem); |
| } |
| } |
| return true; |
| } |
| |
| static int checkStyle (int style) { |
| /* |
| * Feature in Windows. Even when WS_HSCROLL or |
| * WS_VSCROLL is not specified, Windows creates |
| * trees and tables with scroll bars. The fix |
| * is to set H_SCROLL and V_SCROLL. |
| * |
| * NOTE: This code appears on all platforms so that |
| * applications have consistent scroll bar behavior. |
| */ |
| if ((style & SWT.NO_SCROLL) == 0) { |
| style |= SWT.H_SCROLL | SWT.V_SCROLL; |
| } |
| return checkBits (style, SWT.SINGLE, SWT.MULTI, 0, 0, 0, 0); |
| } |
| |
| protected void checkSubclass () { |
| if (!isValidSubclass ()) error (SWT.ERROR_INVALID_SUBCLASS); |
| } |
| |
| void clear (TreeItem parentItem, int index, boolean all) { |
| int [] ids = parentItem == null ? childIds : parentItem.childIds; |
| TreeItem item = _getItem (ids [index], false); |
| if (item != null) { |
| item.clear(); |
| if (all) { |
| clearAll (item, true); |
| } else { |
| int container = parentItem == null ? OS.kDataBrowserNoItem : parentItem.id; |
| OS.UpdateDataBrowserItems (handle, container, 1, new int[] {item.id}, OS.kDataBrowserItemNoProperty, OS.kDataBrowserNoItem); |
| } |
| } |
| } |
| |
| void clearAll (TreeItem parentItem, boolean all) { |
| boolean update = !inClearAll; |
| int count = getItemCount (parentItem); |
| if (count == 0) return; |
| inClearAll = true; |
| int [] ids = parentItem == null ? childIds : parentItem.childIds; |
| for (int i=0; i<count; i++) { |
| TreeItem item = _getItem (ids [i], false); |
| if (item != null) { |
| item.clear (); |
| if (all) clearAll (item, true); |
| } |
| } |
| if (update) { |
| OS.UpdateDataBrowserItems (handle, 0, 0, null, OS.kDataBrowserItemNoProperty, OS.kDataBrowserNoItem); |
| inClearAll = false; |
| } |
| } |
| |
| /** |
| * Clears the item at the given zero-relative index in the receiver. |
| * The text, icon and other attributes of the item are set to the default |
| * value. If the tree was created with the <code>SWT.VIRTUAL</code> style, |
| * these attributes are requested again as needed. |
| * |
| * @param index the index of the item to clear |
| * @param all <code>true</code> if all child items of the indexed item should be |
| * cleared recursively, and <code>false</code> otherwise |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @see SWT#VIRTUAL |
| * @see SWT#SetData |
| * |
| * @since 3.2 |
| */ |
| public void clear (int index, boolean all) { |
| checkWidget (); |
| int count = getItemCount (null); |
| if (index < 0 || index >= count) error (SWT.ERROR_INVALID_RANGE); |
| clear (null, index, all); |
| } |
| |
| /** |
| * Clears all the items in the receiver. The text, icon and other |
| * attributes of the items are set to their default values. If the |
| * tree was created with the <code>SWT.VIRTUAL</code> style, these |
| * attributes are requested again as needed. |
| * |
| * @param all <code>true</code> if all child items should be cleared |
| * recursively, and <code>false</code> otherwise |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @see SWT#VIRTUAL |
| * @see SWT#SetData |
| * |
| * @since 3.2 |
| */ |
| public void clearAll (boolean all) { |
| checkWidget (); |
| clearAll (null, all); |
| } |
| |
| public Point computeSize (int wHint, int hHint, boolean changed) { |
| checkWidget (); |
| int width = 0; |
| if (wHint == SWT.DEFAULT) { |
| if (columnCount != 0) { |
| for (int i=0; i<columnCount; i++) { |
| width += columns [i].getWidth (); |
| } |
| } else { |
| int levelIndent = DISCLOSURE_COLUMN_LEVEL_INDENT; |
| if (OS.VERSION >= 0x1040) { |
| float [] metric = new float [1]; |
| OS.DataBrowserGetMetric (handle, OS.kDataBrowserMetricDisclosureColumnPerDepthGap, null, metric); |
| levelIndent = (int) metric [0]; |
| } |
| GC gc = new GC (this); |
| width = calculateWidth (childIds, gc, true, 0, levelIndent); |
| gc.dispose (); |
| width += getInsetWidth (column_id, true); |
| } |
| if ((style & SWT.CHECK) != 0) width += getCheckColumnWidth (); |
| } else { |
| width = wHint; |
| } |
| if (width <= 0) width = DEFAULT_WIDTH; |
| int height = 0; |
| if (hHint == SWT.DEFAULT) { |
| height = visibleCount * getItemHeight () + getHeaderHeight(); |
| } else { |
| height = hHint; |
| } |
| if (height <= 0) height = DEFAULT_HEIGHT; |
| Rectangle rect = computeTrim (0, 0, width, height); |
| return new Point (rect.width, rect.height); |
| } |
| |
| public Rectangle computeTrim (int x, int y, int width, int height) { |
| checkWidget(); |
| int border = getBorderWidth (); |
| Rect rect = new Rect (); |
| OS.GetDataBrowserScrollBarInset (handle, rect); |
| x -= rect.left + border; |
| y -= rect.top + border; |
| width += rect.left + rect.right + border + border; |
| height += rect.top + rect.bottom + border + border; |
| return new Rectangle (x, y, width, height); |
| } |
| |
| boolean contains(int shellX, int shellY) { |
| CGPoint pt = new CGPoint (); |
| int [] contentView = new int [1]; |
| OS.HIViewFindByID (OS.HIViewGetRoot (OS.GetControlOwner (handle)), OS.kHIViewWindowContentID (), contentView); |
| OS.HIViewConvertPoint (pt, handle, contentView [0]); |
| int x = shellX - (int) pt.x; |
| int y = shellY - (int) pt.y; |
| if (y < getHeaderHeight ()) return false; |
| return getClientArea ().contains (x, y); |
| } |
| |
| void createHandle () { |
| column_id = COLUMN_ID; |
| int [] outControl = new int [1]; |
| int window = OS.GetControlOwner (parent.handle); |
| OS.CreateDataBrowserControl (window, null, OS.kDataBrowserListView, outControl); |
| OS.SetAutomaticControlDragTrackingEnabledForWindow (window, true); |
| if (outControl [0] == 0) error (SWT.ERROR_NO_HANDLES); |
| handle = outControl [0]; |
| if (!drawFocusRing ()) { |
| OS.SetControlData (handle, OS.kControlEntireControl, OS.kControlDataBrowserIncludesFrameAndFocusTag, 1, new byte[] {0}); |
| } |
| int selectionFlags = (style & SWT.SINGLE) != 0 ? OS.kDataBrowserSelectOnlyOne | OS.kDataBrowserNeverEmptySelectionSet : OS.kDataBrowserCmdTogglesSelection; |
| OS.SetDataBrowserSelectionFlags (handle, selectionFlags); |
| short [] height = new short [1]; |
| OS.GetDataBrowserListViewHeaderBtnHeight (handle, height); |
| headerHeight = height [0]; |
| OS.SetDataBrowserListViewHeaderBtnHeight (handle, (short) 0); |
| OS.SetDataBrowserHasScrollBars (handle, (style & SWT.H_SCROLL) != 0, (style & SWT.V_SCROLL) != 0); |
| if (OS.VERSION >= 0x1040) { |
| int inset = 4; |
| OS.DataBrowserSetMetric (handle, OS.kDataBrowserMetricCellContentInset, false, inset); |
| OS.DataBrowserSetMetric (handle, OS.kDataBrowserMetricDisclosureColumnEdgeInset, false, inset); |
| OS.DataBrowserSetMetric (handle, OS.kDataBrowserMetricDisclosureTriangleAndContentGap, false, inset); |
| OS.DataBrowserSetMetric (handle, OS.kDataBrowserMetricIconAndTextGap, false, inset); |
| } |
| int position = 0; |
| if ((style & SWT.CHECK) != 0) { |
| DataBrowserListViewColumnDesc checkColumn = new DataBrowserListViewColumnDesc (); |
| checkColumn.headerBtnDesc_version = OS.kDataBrowserListViewLatestHeaderDesc; |
| checkColumn.propertyDesc_propertyID = CHECK_COLUMN_ID; |
| checkColumn.propertyDesc_propertyType = OS.kDataBrowserCheckboxType; |
| checkColumn.propertyDesc_propertyFlags = OS.kDataBrowserPropertyIsMutable; |
| int checkWidth = getCheckColumnWidth (); |
| checkColumn.headerBtnDesc_minimumWidth = (short) checkWidth; |
| checkColumn.headerBtnDesc_maximumWidth = (short) checkWidth; |
| checkColumn.headerBtnDesc_initialOrder = (short) OS.kDataBrowserOrderIncreasing; |
| OS.AddDataBrowserListViewColumn (handle, checkColumn, position++); |
| } |
| DataBrowserListViewColumnDesc column = new DataBrowserListViewColumnDesc (); |
| column.headerBtnDesc_version = OS.kDataBrowserListViewLatestHeaderDesc; |
| column.propertyDesc_propertyID = column_id; |
| column.propertyDesc_propertyType = OS.kDataBrowserCustomType; |
| column.propertyDesc_propertyFlags = OS.kDataBrowserListViewSelectionColumn | OS.kDataBrowserDefaultPropertyFlags | OS.kDataBrowserListViewSortableColumn; |
| column.headerBtnDesc_maximumWidth = 0x7fff; |
| column.headerBtnDesc_initialOrder = (short) OS.kDataBrowserOrderIncreasing; |
| OS.AddDataBrowserListViewColumn (handle, column, position); |
| OS.SetDataBrowserListViewDisclosureColumn (handle, column_id, false); |
| OS.SetDataBrowserTableViewNamedColumnWidth (handle, column_id, (short) 0); |
| |
| /* |
| * Feature in the Macintosh. Scroll bars are not created until |
| * the data browser needs to draw them. The fix is to force the scroll |
| * bars to be created by temporarily giving the widget a size, drawing |
| * it on a offscreen buffer to avoid flashes and then restoring it to |
| * size zero. |
| */ |
| if (OS.VERSION < 0x1040) { |
| OS.HIViewSetDrawingEnabled (handle, false); |
| int size = 50; |
| Rect rect = new Rect (); |
| rect.right = rect.bottom = (short) size; |
| OS.SetControlBounds (handle, rect); |
| int bpl = size * 4; |
| int [] gWorld = new int [1]; |
| int data = OS.NewPtr (bpl * size); |
| OS.NewGWorldFromPtr (gWorld, OS.k32ARGBPixelFormat, rect, 0, 0, 0, data, bpl); |
| int [] curPort = new int [1]; |
| int [] curGWorld = new int [1]; |
| OS.GetGWorld (curPort, curGWorld); |
| OS.SetGWorld (gWorld [0], curGWorld [0]); |
| OS.DrawControlInCurrentPort (handle); |
| OS.SetGWorld (curPort [0], curGWorld [0]); |
| OS.DisposeGWorld (gWorld [0]); |
| OS.DisposePtr (data); |
| rect.right = rect.bottom = (short) 0; |
| OS.SetControlBounds (handle, rect); |
| OS.HIViewSetDrawingEnabled (handle, true); |
| } |
| } |
| |
| void createItem (TreeColumn column, int index) { |
| if (!(0 <= index && index <= columnCount)) error (SWT.ERROR_INVALID_RANGE); |
| if (index == 0) { |
| // first column must be left aligned |
| column.style &= ~(SWT.LEFT | SWT.RIGHT | SWT.CENTER); |
| column.style |= SWT.LEFT; |
| } |
| column.id = column_id + idCount++; |
| int position = index + ((style & SWT.CHECK) != 0 ? 1 : 0); |
| if (columnCount != 0) { |
| DataBrowserListViewColumnDesc desc = new DataBrowserListViewColumnDesc (); |
| desc.headerBtnDesc_version = OS.kDataBrowserListViewLatestHeaderDesc; |
| desc.propertyDesc_propertyID = column.id; |
| desc.propertyDesc_propertyType = OS.kDataBrowserCustomType; |
| desc.propertyDesc_propertyFlags = OS.kDataBrowserListViewSelectionColumn | OS.kDataBrowserDefaultPropertyFlags | OS.kDataBrowserListViewSortableColumn; |
| desc.headerBtnDesc_maximumWidth = 0x7fff; |
| desc.headerBtnDesc_initialOrder = OS.kDataBrowserOrderIncreasing; |
| desc.headerBtnDesc_btnFontStyle_just = OS.teFlushLeft; |
| if ((style & SWT.CENTER) != 0) desc.headerBtnDesc_btnFontStyle_just = OS.teCenter; |
| if ((style & SWT.RIGHT) != 0) desc.headerBtnDesc_btnFontStyle_just = OS.teFlushRight; |
| desc.headerBtnDesc_btnFontStyle_flags |= OS.kControlUseJustMask; |
| OS.AddDataBrowserListViewColumn (handle, desc, position); |
| OS.SetDataBrowserTableViewNamedColumnWidth (handle, column.id, (short)0); |
| |
| if (index == 0) { |
| int [] disclosure = new int [1]; |
| boolean [] expandableRows = new boolean [1]; |
| OS.GetDataBrowserListViewDisclosureColumn (handle, disclosure, expandableRows); |
| OS.SetDataBrowserListViewDisclosureColumn (handle, column.id, expandableRows [0]); |
| } |
| } |
| if (columnCount == columns.length) { |
| TreeColumn [] newColumns = new TreeColumn [columnCount + 4]; |
| System.arraycopy (columns, 0, newColumns, 0, columns.length); |
| columns = newColumns; |
| } |
| System.arraycopy (columns, index, columns, index + 1, columnCount++ - index); |
| columns [index] = column; |
| if (columnCount > 1) { |
| for (int i=0; i<items.length; i++) { |
| TreeItem item = items [i]; |
| if (item != null) { |
| String [] strings = item.strings; |
| if (strings != null) { |
| String [] temp = new String [columnCount]; |
| System.arraycopy (strings, 0, temp, 0, index); |
| System.arraycopy (strings, index, temp, index+1, columnCount-index-1); |
| temp [index] = ""; |
| item.strings = temp; |
| } |
| if (index == 0) item.text = ""; |
| Image [] images = item.images; |
| if (images != null) { |
| Image [] temp = new Image [columnCount]; |
| System.arraycopy (images, 0, temp, 0, index); |
| System.arraycopy (images, index, temp, index+1, columnCount-index-1); |
| item.images = temp; |
| } |
| if (index == 0) item.image = null; |
| Color [] cellBackground = item.cellBackground; |
| if (cellBackground != null) { |
| Color [] temp = new Color [columnCount]; |
| System.arraycopy (cellBackground, 0, temp, 0, index); |
| System.arraycopy (cellBackground, index, temp, index+1, columnCount-index-1); |
| item.cellBackground = temp; |
| } |
| Color [] cellForeground = item.cellForeground; |
| if (cellForeground != null) { |
| Color [] temp = new Color [columnCount]; |
| System.arraycopy (cellForeground, 0, temp, 0, index); |
| System.arraycopy (cellForeground, index, temp, index+1, columnCount-index-1); |
| item.cellForeground = temp; |
| } |
| Font [] cellFont = item.cellFont; |
| if (cellFont != null) { |
| Font [] temp = new Font [columnCount]; |
| System.arraycopy (cellFont, 0, temp, 0, index); |
| System.arraycopy (cellFont, index, temp, index+1, columnCount-index-1); |
| item.cellFont = temp; |
| } |
| } |
| } |
| } |
| } |
| |
| void createItem (TreeItem item, TreeItem parentItem, int index) { |
| int count = getItemCount (parentItem); |
| if (index == -1) index = count; |
| if (!(0 <= index && index <= count)) error (SWT.ERROR_INVALID_RANGE); |
| int id = _getId (); |
| if (id > items.length) { |
| TreeItem [] newItems = new TreeItem [id + 4]; |
| System.arraycopy (items, 0, newItems, 0, items.length); |
| items = newItems; |
| } |
| item.id = id; |
| items [id - 1] = item; |
| int [] ids = parentItem == null ? childIds : parentItem.childIds; |
| if (ids == null || count + 1 > ids.length) { |
| int [] newIds = new int [count + 4]; |
| if (ids != null) System.arraycopy (ids, 0, newIds, 0, ids.length); |
| ids = newIds; |
| if (parentItem == null) { |
| childIds = ids; |
| } else { |
| parentItem.childIds = ids; |
| } |
| } |
| System.arraycopy (ids, index, ids, index + 1, ids.length - index - 1); |
| ids [index] = id; |
| if (parentItem != null) parentItem.itemCount++; |
| if (parentItem == null || (parentItem.getExpanded ())) { |
| int parentID = parentItem == null ? OS.kDataBrowserNoItem : parentItem.id; |
| if (OS.AddDataBrowserItems (handle, parentID, 1, new int [] {item.id}, OS.kDataBrowserItemNoProperty) != OS.noErr) { |
| items [id - 1] = null; |
| System.arraycopy (ids, index+1, ids, index, ids.length - index - 1); |
| error (SWT.ERROR_ITEM_NOT_ADDED); |
| } |
| visibleCount++; |
| } else { |
| /* |
| * Bug in the Macintosh. When the first child of a tree item is |
| * added and the parent is not expanded, the parent does not |
| * redraw to show the expander. The fix is to force a redraw. |
| */ |
| if (parentItem != null && parentItem.itemCount == 1) parentItem.redraw (OS.kDataBrowserNoItem); |
| } |
| } |
| |
| ScrollBar createScrollBar (int style) { |
| return createStandardBar (style); |
| } |
| |
| void createWidget () { |
| super.createWidget (); |
| items = new TreeItem [4]; |
| columns = new TreeColumn [4]; |
| if (OS.VERSION >= 0x1050) { |
| OS.DataBrowserChangeAttributes (handle, OS.kDataBrowserAttributeAutoHideScrollBars, 0); |
| } |
| } |
| |
| Color defaultBackground () { |
| return display.getSystemColor (SWT.COLOR_LIST_BACKGROUND); |
| } |
| |
| Color defaultForeground () { |
| return display.getSystemColor (SWT.COLOR_LIST_FOREGROUND); |
| } |
| |
| int defaultThemeFont () { |
| if (display.smallFonts) return OS.kThemeSmallSystemFont; |
| return OS.kThemeViewsFont; |
| } |
| |
| /** |
| * Deselects all selected items in the receiver. |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public void deselectAll () { |
| checkWidget (); |
| ignoreSelect = true; |
| /* |
| * Bug in the Macintosh. When the DataBroswer selection flags includes |
| * both kDataBrowserNeverEmptySelectionSet and kDataBrowserSelectOnlyOne, |
| * two items are selected when SetDataBrowserSelectedItems() is called |
| * with kDataBrowserItemsAssign to assign a new seletion despite the fact |
| * that kDataBrowserSelectOnlyOne was specified. The fix is to save and |
| * restore kDataBrowserNeverEmptySelectionSet around each call to |
| * SetDataBrowserSelectedItems(). |
| */ |
| int [] selectionFlags = null; |
| if ((style & SWT.SINGLE) != 0) { |
| selectionFlags = new int [1]; |
| OS.GetDataBrowserSelectionFlags (handle, selectionFlags); |
| OS.SetDataBrowserSelectionFlags (handle, selectionFlags [0] & ~OS.kDataBrowserNeverEmptySelectionSet); |
| } |
| OS.SetDataBrowserSelectedItems (handle, 0, null, OS.kDataBrowserItemsRemove); |
| if ((style & SWT.SINGLE) != 0) { |
| OS.SetDataBrowserSelectionFlags (handle, selectionFlags [0]); |
| } |
| ignoreSelect = false; |
| } |
| |
| /** |
| * Deselects an item in the receiver. If the item was already |
| * deselected, it remains deselected. |
| * |
| * @param item the item to be deselected |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the item is null</li> |
| * <li>ERROR_INVALID_ARGUMENT - if the item has been disposed</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @since 3.4 |
| */ |
| public void deselect (TreeItem item) { |
| checkWidget (); |
| if (item == null) error (SWT.ERROR_NULL_ARGUMENT); |
| if (item.isDisposed ()) error (SWT.ERROR_INVALID_ARGUMENT); |
| ignoreSelect = true; |
| /* |
| * Bug in the Macintosh. When the DataBroswer selection flags includes |
| * both kDataBrowserNeverEmptySelectionSet and kDataBrowserSelectOnlyOne, |
| * two items are selected when SetDataBrowserSelectedItems() is called |
| * with kDataBrowserItemsAssign to assign a new seletion despite the fact |
| * that kDataBrowserSelectOnlyOne was specified. The fix is to save and |
| * restore kDataBrowserNeverEmptySelectionSet around each call to |
| * SetDataBrowserSelectedItems(). |
| */ |
| int [] selectionFlags = null; |
| if ((style & SWT.SINGLE) != 0) { |
| selectionFlags = new int [1]; |
| OS.GetDataBrowserSelectionFlags (handle, selectionFlags); |
| OS.SetDataBrowserSelectionFlags (handle, selectionFlags [0] & ~OS.kDataBrowserNeverEmptySelectionSet); |
| } |
| OS.SetDataBrowserSelectedItems (handle, 1, new int [] {item.id}, OS.kDataBrowserItemsRemove); |
| if ((style & SWT.SINGLE) != 0) { |
| OS.SetDataBrowserSelectionFlags (handle, selectionFlags [0]); |
| } |
| ignoreSelect = false; |
| } |
| |
| |
| void destroyItem (TreeColumn column) { |
| int index = 0; |
| while (index < columnCount) { |
| if (columns [index] == column) break; |
| index++; |
| } |
| for (int i=0; i<items.length; i++) { |
| TreeItem item = items [i]; |
| if (item != null) { |
| if (columnCount <= 1) { |
| item.strings = null; |
| item.images = null; |
| item.cellBackground = null; |
| item.cellForeground = null; |
| item.cellFont = null; |
| } else { |
| if (item.strings != null) { |
| String [] strings = item.strings; |
| if (index == 0) { |
| item.text = strings [1] != null ? strings [1] : ""; |
| } |
| String [] temp = new String [columnCount - 1]; |
| System.arraycopy (strings, 0, temp, 0, index); |
| System.arraycopy (strings, index + 1, temp, index, columnCount - 1 - index); |
| item.strings = temp; |
| } else { |
| if (index == 0) item.text = ""; |
| } |
| if (item.images != null) { |
| Image [] images = item.images; |
| if (index == 0) item.image = images [1]; |
| Image [] temp = new Image [columnCount - 1]; |
| System.arraycopy (images, 0, temp, 0, index); |
| System.arraycopy (images, index + 1, temp, index, columnCount - 1 - index); |
| item.images = temp; |
| } else { |
| if (index == 0) item.image = null; |
| } |
| if (item.cellBackground != null) { |
| Color [] cellBackground = item.cellBackground; |
| Color [] temp = new Color [columnCount - 1]; |
| System.arraycopy (cellBackground, 0, temp, 0, index); |
| System.arraycopy (cellBackground, index + 1, temp, index, columnCount - 1 - index); |
| item.cellBackground = temp; |
| } |
| if (item.cellForeground != null) { |
| Color [] cellForeground = item.cellForeground; |
| Color [] temp = new Color [columnCount - 1]; |
| System.arraycopy (cellForeground, 0, temp, 0, index); |
| System.arraycopy (cellForeground, index + 1, temp, index, columnCount - 1 - index); |
| item.cellForeground = temp; |
| } |
| if (item.cellFont != null) { |
| Font [] cellFont = item.cellFont; |
| Font [] temp = new Font [columnCount - 1]; |
| System.arraycopy (cellFont, 0, temp, 0, index); |
| System.arraycopy (cellFont, index + 1, temp, index, columnCount - 1 - index); |
| item.cellFont = temp; |
| } |
| } |
| } |
| } |
| if (columnCount == 1) { |
| column_id = column.id; idCount = 0; |
| DataBrowserListViewHeaderDesc desc = new DataBrowserListViewHeaderDesc (); |
| desc.version = OS.kDataBrowserListViewLatestHeaderDesc; |
| short [] width = new short [1]; |
| OS.GetDataBrowserTableViewNamedColumnWidth (handle, column_id, width); |
| desc.minimumWidth = desc.maximumWidth = width [0]; |
| int str = OS.CFStringCreateWithCharacters (OS.kCFAllocatorDefault, null, 0); |
| desc.titleString = str; |
| OS.SetDataBrowserListViewHeaderDesc (handle, column_id, desc); |
| OS.CFRelease (str); |
| } else { |
| int [] disclosure = new int [1]; |
| boolean [] expandableRows = new boolean [1]; |
| OS.GetDataBrowserListViewDisclosureColumn (handle, disclosure, expandableRows); |
| if (disclosure [0] == column.id) { |
| TreeColumn firstColumn = columns [1]; |
| firstColumn.style &= ~(SWT.LEFT | SWT.RIGHT | SWT.CENTER); |
| firstColumn.style |= SWT.LEFT; |
| firstColumn.updateHeader(); |
| OS.SetDataBrowserListViewDisclosureColumn (handle, firstColumn.id, expandableRows [0]); |
| } |
| if (OS.RemoveDataBrowserTableViewColumn (handle, column.id) != OS.noErr) { |
| error (SWT.ERROR_ITEM_NOT_REMOVED); |
| } |
| } |
| System.arraycopy (columns, index + 1, columns, index, --columnCount - index); |
| columns [columnCount] = null; |
| for (int i=index; i<columnCount; i++) { |
| columns [i].sendEvent (SWT.Move); |
| } |
| } |
| |
| void destroyItem (TreeItem item) { |
| TreeItem parentItem = item.parentItem; |
| if (parentItem == null || parentItem.getExpanded ()) { |
| int oldAnchor = savedAnchor; |
| int [] index = new int [1]; |
| if (OS.GetDataBrowserTableViewItemRow (handle, item.id, index) != OS.noErr) { |
| index = null; |
| } |
| int parentID = parentItem == null ? OS.kDataBrowserNoItem : parentItem.id; |
| ignoreExpand = true; |
| if (OS.RemoveDataBrowserItems (handle, parentID, 1, new int [] {item.id}, 0) != OS.noErr) { |
| error (SWT.ERROR_ITEM_NOT_REMOVED); |
| } |
| visibleCount--; |
| ignoreExpand = false; |
| if (savedAnchor != 0 && savedAnchor != oldAnchor) { |
| if (index != null) { |
| int [] itemId = new int [1]; |
| if (OS.GetDataBrowserTableViewItemID (handle, index [0], itemId) == OS.noErr) { |
| savedAnchor = itemId [0]; |
| } |
| } |
| } |
| } |
| /* |
| * Bug in the Macintosh. When the last child of a tree item is |
| * removed and the parent is not expanded, the parent does not |
| * redraw to remove the expander. The fix is to force a redraw. |
| */ |
| if (parentItem != null && !parentItem.getExpanded () && parentItem.itemCount > 0) { |
| parentItem.redraw (OS.kDataBrowserNoItem); |
| } |
| //TEMPORARY CODE |
| releaseItem (item, false); |
| setScrollWidth (true); |
| fixScrollBar (); |
| } |
| |
| void destroyScrollBar (ScrollBar bar) { |
| if ((bar.style & SWT.H_SCROLL) != 0) style &= ~SWT.H_SCROLL; |
| if ((bar.style & SWT.V_SCROLL) != 0) style &= ~SWT.V_SCROLL; |
| OS.SetDataBrowserHasScrollBars (handle, (style & SWT.H_SCROLL) != 0, (style & SWT.V_SCROLL) != 0); |
| } |
| |
| int drawItemProc (int browser, int id, int property, int itemState, int theRect, int gdDepth, int colorDevice) { |
| if (id < 0) return OS.noErr; |
| int columnIndex = 0; |
| if (columnCount > 0) { |
| for (columnIndex=0; columnIndex<columnCount; columnIndex++) { |
| if (columns [columnIndex].id == property) break; |
| } |
| if (columnIndex == columnCount) return OS.noErr; |
| } |
| Rect rect = new Rect (); |
| TreeItem item = _getItem (id, true); |
| if ((style & SWT.VIRTUAL) != 0) { |
| if (!item.cached) { |
| if (!checkData (item, false)) return OS.noErr; |
| if (setScrollWidth (item)) { |
| if (OS.GetDataBrowserItemPartBounds (handle, id, property, OS.kDataBrowserPropertyEnclosingPart, rect) == OS.noErr) { |
| int x = rect.left; |
| int y = rect.top; |
| int width = rect.right - rect.left; |
| int height = rect.bottom - rect.top; |
| redrawWidget (handle, x, y, width, height, false); |
| } |
| return OS.noErr; |
| } |
| } |
| } |
| OS.memmove (rect, theRect, Rect.sizeof); |
| int x = rect.left; |
| int y = rect.top; |
| int width = rect.right - rect.left; |
| int height = rect.bottom - rect.top; |
| GC gc = paintGC; |
| if (gc == null) { |
| GCData data = new GCData (); |
| int [] port = new int [1]; |
| OS.GetPort (port); |
| data.port = port [0]; |
| gc = GC.carbon_new (this, data); |
| } |
| OS.GetDataBrowserItemPartBounds (handle, id, property, OS.kDataBrowserPropertyEnclosingPart, rect); |
| int gridWidth = getLinesVisible () ? GRID_WIDTH : 0; |
| int itemX = rect.left + gridWidth; |
| int itemY = rect.top; |
| int itemWidth = rect.right - rect.left - gridWidth; |
| int itemHeight = rect.bottom - rect.top + 1; |
| if (drawBackground) { |
| drawBackground = false; |
| Region region = new Region (display); |
| Rectangle clientArea = getClientArea (); |
| int headerHeight = getHeaderHeight (); |
| clientArea.y += headerHeight; |
| clientArea.height -= headerHeight; |
| if (clientArea.height < 0) clientArea.height = 0; |
| region.add (clientArea); |
| if ((style & SWT.CHECK) != 0 || gridWidth != 0) { |
| int rgn = OS.NewRgn(); |
| if ((style & SWT.CHECK) != 0) { |
| if (OS.GetDataBrowserItemPartBounds (handle, id, Table.CHECK_COLUMN_ID, OS.kDataBrowserPropertyEnclosingPart, rect) == OS.noErr) { |
| OS.SetRectRgn (rgn, (short)rect.left, (short)clientArea.y, (short)(rect.right + gridWidth), (short)(clientArea.y + clientArea.height)); |
| OS.DiffRgn (region.handle, rgn, region.handle); |
| } |
| } |
| if (gridWidth != 0) { |
| if (columnCount == 0) { |
| if (OS.GetDataBrowserItemPartBounds (handle, id, Table.COLUMN_ID, OS.kDataBrowserPropertyEnclosingPart, rect) == OS.noErr) { |
| OS.SetRectRgn (rgn, (short)rect.right, (short)clientArea.y, (short)(rect.right + gridWidth), (short)(clientArea.y + clientArea.height)); |
| OS.DiffRgn (region.handle, rgn, region.handle); |
| } |
| } else { |
| for (int i = 0; i < columnCount; i++) { |
| if (OS.GetDataBrowserItemPartBounds (handle, id, columns[i].id, OS.kDataBrowserPropertyEnclosingPart, rect) == OS.noErr) { |
| OS.SetRectRgn (rgn, (short)rect.right, (short)clientArea.y, (short)(rect.right + gridWidth), (short)(clientArea.y + clientArea.height)); |
| OS.DiffRgn (region.handle, rgn, region.handle); |
| } |
| } |
| } |
| } |
| OS.DisposeRgn (rgn); |
| } |
| if (region != null) gc.setClipping (region); |
| fillBackground (handle, gc.handle, null); |
| if (region != null) { |
| gc.setClipping ((Rectangle)null); |
| region.dispose (); |
| } |
| } |
| OS.CGContextSaveGState (gc.handle); |
| int itemRgn = OS.NewRgn (); |
| OS.SetRectRgn (itemRgn, (short) itemX, (short) itemY, (short) (itemX + itemWidth), (short) (itemY + itemHeight)); |
| int clip = OS.NewRgn (); |
| OS.GetClip (clip); |
| OS.SectRgn (clip, itemRgn, itemRgn); |
| OS.DisposeRgn (clip); |
| Region region = Region.carbon_new (display, itemRgn); |
| Font font = item.getFont (columnIndex); |
| Color background = item.getBackground (columnIndex); |
| Color foreground = item.getForeground (columnIndex); |
| Image image = item.getImage (columnIndex); |
| String text = item.getText (columnIndex); |
| gc.setClipping (region); |
| gc.setFont (font); |
| Point extent = gc.stringExtent (text); |
| int contentWidth = extent.x; |
| Rectangle imageBounds = null; |
| int gap = 0; |
| if (image != null) { |
| gap = getGap (); |
| imageBounds = image.getBounds (); |
| contentWidth += this.imageBounds.width + gap; |
| } |
| int paintWidth = contentWidth; |
| if (hooks (SWT.MeasureItem)) { |
| Event event = new Event (); |
| event.item = item; |
| event.index = columnIndex; |
| event.gc = gc; |
| event.width = contentWidth; |
| event.height = itemHeight; |
| sendEvent (SWT.MeasureItem, event); |
| if (itemHeight < event.height) { |
| itemHeight = event.height; |
| OS.SetDataBrowserTableViewRowHeight (handle, (short) event.height); |
| redrawWidget (handle, false); |
| } |
| if (setScrollWidth (item)) { |
| redrawWidget (handle, false); |
| } |
| contentWidth = event.width; |
| gc.setClipping (region); |
| gc.setFont (font); |
| } |
| int drawState = SWT.FOREGROUND; |
| if (item.background != null || (item.cellBackground != null && item.cellBackground [columnIndex] != null)) drawState |= SWT.BACKGROUND; |
| if ((itemState & (OS.kDataBrowserItemIsSelected | OS.kDataBrowserItemIsDragTarget)) != 0) drawState |= SWT.SELECTED; |
| boolean wasSelected = (drawState & SWT.SELECTED) != 0; |
| if ((drawState & SWT.SELECTED) != 0 && ((style & SWT.FULL_SELECTION) != 0 || columnIndex == 0)) { |
| gc.setBackground (display.getSystemColor (SWT.COLOR_LIST_SELECTION)); |
| gc.setForeground (display.getSystemColor (SWT.COLOR_LIST_SELECTION_TEXT)); |
| } else { |
| gc.setBackground (background); |
| gc.setForeground (foreground); |
| } |
| if (hooks (SWT.EraseItem)) { |
| Event event = new Event (); |
| event.item = item; |
| event.index = columnIndex; |
| event.gc = gc; |
| event.x = itemX; |
| event.y = itemY; |
| event.width = itemWidth; |
| event.height = itemHeight; |
| event.detail = drawState; |
| sendEvent (SWT.EraseItem, event); |
| drawState = event.doit ? event.detail : 0; |
| gc.setClipping (region); |
| gc.setFont (font); |
| if ((drawState & SWT.SELECTED) != 0 && ((style & SWT.FULL_SELECTION) != 0 || columnIndex == 0)) { |
| gc.setBackground (display.getSystemColor (SWT.COLOR_LIST_SELECTION)); |
| gc.setForeground (display.getSystemColor (SWT.COLOR_LIST_SELECTION_TEXT)); |
| } else { |
| gc.setBackground (background); |
| if (!wasSelected) gc.setForeground (foreground); |
| } |
| } |
| if (columnCount != 0 && columnIndex != 0) { |
| TreeColumn column = columns [columnIndex]; |
| if ((column.style & SWT.CENTER) != 0) x += (width - contentWidth) / 2; |
| if ((column.style & SWT.RIGHT) != 0) x += width - contentWidth; |
| } |
| int stringX = x, imageWidth = 0; |
| if (image != null) stringX += imageWidth = this.imageBounds.width + gap; |
| if ((drawState & SWT.SELECTED) != 0 && ((style & SWT.FULL_SELECTION) != 0 || columnIndex == 0)) { |
| if ((style & SWT.HIDE_SELECTION) == 0 || hasFocus ()) { |
| if ((style & SWT.FULL_SELECTION) != 0) { |
| gc.fillRectangle (itemX, itemY, itemWidth, itemHeight - 1); |
| drawState &= ~SWT.BACKGROUND; |
| } else if (columnIndex == 0) { |
| gc.fillRectangle (stringX - 1, y, (contentWidth - imageWidth) + 2, itemHeight - 1); |
| drawState &= ~SWT.BACKGROUND; |
| } |
| } else { |
| if ((drawState & SWT.BACKGROUND) != 0) gc.setBackground (background); |
| } |
| } |
| if ((drawState & SWT.BACKGROUND) != 0) { |
| if (columnCount == 0) { |
| gc.fillRectangle (stringX - 1, y, (contentWidth - imageWidth) + 2, itemHeight - 1); |
| } else { |
| gc.fillRectangle (itemX, itemY, itemWidth, itemHeight); |
| } |
| } |
| if ((drawState & SWT.FOREGROUND) != 0) { |
| if (image != null) { |
| int imageX = x, imageY = y + (height - this.imageBounds.height) / 2; |
| gc.drawImage (image, 0, 0, imageBounds.width, imageBounds.height, imageX, imageY, this.imageBounds.width, this.imageBounds.height); |
| } |
| gc.drawString (text, stringX, y + (height - extent.y) / 2, true); |
| } |
| if (hooks (SWT.PaintItem)) { |
| Event event = new Event (); |
| event.item = item; |
| event.index = columnIndex; |
| event.gc = gc; |
| event.x = x; |
| event.y = y; |
| event.width = paintWidth; |
| event.height = itemHeight; |
| event.detail = drawState; |
| sendEvent (SWT.PaintItem, event); |
| } |
| OS.CGContextRestoreGState (gc.handle); |
| OS.DisposeRgn (itemRgn); |
| if (gc != paintGC) gc.dispose (); |
| return OS.noErr; |
| } |
| |
| void enableWidget (boolean enabled) { |
| super.enableWidget (enabled); |
| /* |
| * Bug in the Macintosh. For some reason, the data browser does not |
| * redraw the checkboxes when the enable state changes. The fix is |
| * to force a redraw. |
| */ |
| redrawWidget (handle, false); |
| } |
| |
| void fixScrollBar () { |
| /* |
| * Bug in the Macintosh. For some reason, the data browser does not update |
| * the vertical scrollbar when it is scrolled to the bottom and items are |
| * removed. The fix is to check if the scrollbar value is bigger the |
| * maximum number of visible items and clamp it when needed. |
| */ |
| int [] top = new int [1], left = new int [1]; |
| OS.GetDataBrowserScrollPosition (handle, top, left); |
| int maximum = Math.max (0, getItemHeight () * visibleCount - getClientArea ().height); |
| if (top [0] > maximum) { |
| OS.SetDataBrowserScrollPosition (handle, maximum, left [0]); |
| } |
| } |
| |
| String [] getAxAttributes () { |
| return AX_ATTRIBUTES; |
| } |
| |
| public int getBorderWidth () { |
| checkWidget (); |
| int border = 0; |
| byte [] hasBorder = new byte [1]; |
| OS.GetControlData (handle, (short) OS.kControlEntireControl, OS.kControlDataBrowserIncludesFrameAndFocusTag, 1, hasBorder, null); |
| if (hasBorder [0] != 0) { |
| int [] outMetric = new int [1]; |
| OS.GetThemeMetric (OS.kThemeMetricFocusRectOutset, outMetric); |
| border += outMetric [0] - BORDER_INSET; |
| } |
| return border; |
| } |
| |
| int getCheckColumnWidth () { |
| int inset = 0; |
| if (OS.VERSION >= 0x1040) { |
| float [] metric = new float [1]; |
| OS.DataBrowserGetMetric (handle, OS.kDataBrowserMetricCellContentInset, null, metric); |
| inset = (int) metric [0]; |
| } else { |
| inset = CELL_CONTENT_INSET; |
| } |
| int [] checkWidth = new int [1]; |
| OS.GetThemeMetric (OS.kThemeMetricCheckBoxWidth, checkWidth); |
| return checkWidth [0] + inset * 2; |
| } |
| |
| public Rectangle getClientArea () { |
| checkWidget(); |
| int border = getBorderWidth (); |
| Rect rect = new Rect (), inset = new Rect (); |
| OS.GetControlBounds (handle, rect); |
| OS.GetDataBrowserScrollBarInset (handle, inset); |
| int width = Math.max (0, rect.right - rect.left - inset.right - border - border); |
| int height = Math.max (0, rect.bottom - rect.top - inset.bottom - border - border); |
| return new Rectangle (inset.left + border, inset.top + border, width, height); |
| } |
| |
| /** |
| * Returns the column at the given, zero-relative index in the |
| * receiver. Throws an exception if the index is out of range. |
| * Columns are returned in the order that they were created. |
| * If no <code>TreeColumn</code>s were created by the programmer, |
| * this method will throw <code>ERROR_INVALID_RANGE</code> despite |
| * the fact that a single column of data may be visible in the tree. |
| * This occurs when the programmer uses the tree like a list, adding |
| * items but never creating a column. |
| * |
| * @param index the index of the column to return |
| * @return the column at the given index |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @see Tree#getColumnOrder() |
| * @see Tree#setColumnOrder(int[]) |
| * @see TreeColumn#getMoveable() |
| * @see TreeColumn#setMoveable(boolean) |
| * @see SWT#Move |
| * |
| * @since 3.1 |
| */ |
| public TreeColumn getColumn (int index) { |
| checkWidget (); |
| if (!(0 <=index && index < columnCount)) error (SWT.ERROR_INVALID_RANGE); |
| return columns [index]; |
| } |
| |
| /** |
| * Returns the number of columns contained in the receiver. |
| * If no <code>TreeColumn</code>s were created by the programmer, |
| * this value is zero, despite the fact that visually, one column |
| * of items may be visible. This occurs when the programmer uses |
| * the tree like a list, adding items but never creating a column. |
| * |
| * @return the number of columns |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @since 3.1 |
| */ |
| public int getColumnCount () { |
| checkWidget (); |
| return columnCount; |
| } |
| |
| /** |
| * Returns an array of zero-relative integers that map |
| * the creation order of the receiver's items to the |
| * order in which they are currently being displayed. |
| * <p> |
| * Specifically, the indices of the returned array represent |
| * the current visual order of the items, and the contents |
| * of the array represent the creation order of the items. |
| * </p><p> |
| * Note: This is not the actual structure used by the receiver |
| * to maintain its list of items, so modifying the array will |
| * not affect the receiver. |
| * </p> |
| * |
| * @return the current visual order of the receiver's items |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @see Tree#setColumnOrder(int[]) |
| * @see TreeColumn#getMoveable() |
| * @see TreeColumn#setMoveable(boolean) |
| * @see SWT#Move |
| * |
| * @since 3.2 |
| */ |
| public int [] getColumnOrder () { |
| checkWidget (); |
| int [] order = new int [columnCount]; |
| int [] position = new int [1]; |
| for (int i=0; i<columnCount; i++) { |
| TreeColumn column = columns [i]; |
| OS.GetDataBrowserTableViewColumnPosition (handle, column.id, position); |
| if ((style & SWT.CHECK) != 0) position [0] -= 1; |
| order [position [0]] = i; |
| } |
| return order; |
| } |
| |
| /** |
| * Returns an array of <code>TreeColumn</code>s which are the |
| * columns in the receiver. Columns are returned in the order |
| * that they were created. If no <code>TreeColumn</code>s were |
| * created by the programmer, the array is empty, despite the fact |
| * that visually, one column of items may be visible. This occurs |
| * when the programmer uses the tree like a list, adding items but |
| * never creating a column. |
| * <p> |
| * Note: This is not the actual structure used by the receiver |
| * to maintain its list of items, so modifying the array will |
| * not affect the receiver. |
| * </p> |
| * |
| * @return the items in the receiver |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @see Tree#getColumnOrder() |
| * @see Tree#setColumnOrder(int[]) |
| * @see TreeColumn#getMoveable() |
| * @see TreeColumn#setMoveable(boolean) |
| * @see SWT#Move |
| * |
| * @since 3.1 |
| */ |
| public TreeColumn [] getColumns () { |
| checkWidget (); |
| TreeColumn [] result = new TreeColumn [columnCount]; |
| System.arraycopy (columns, 0, result, 0, columnCount); |
| return result; |
| } |
| |
| int getGap () { |
| if (OS.VERSION >= 0x1040) { |
| float [] metric = new float [1]; |
| OS.DataBrowserGetMetric (handle, OS.kDataBrowserMetricIconAndTextGap, null, metric); |
| return (int) metric [0]; |
| } |
| return ICON_AND_TEXT_GAP; |
| } |
| |
| /** |
| * Returns the width in pixels of a grid line. |
| * |
| * @return the width of a grid line in pixels |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @since 3.1 |
| */ |
| public int getGridLineWidth () { |
| checkWidget (); |
| return 0; |
| } |
| |
| /** |
| * Returns the height of the receiver's header |
| * |
| * @return the height of the header or zero if the header is not visible |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @since 3.1 |
| */ |
| public int getHeaderHeight () { |
| checkWidget (); |
| short [] height = new short [1]; |
| OS.GetDataBrowserListViewHeaderBtnHeight (handle, height); |
| return height [0]; |
| } |
| |
| /** |
| * Returns <code>true</code> if the receiver's header is visible, |
| * and <code>false</code> otherwise. |
| * <p> |
| * If one of the receiver's ancestors is not visible or some |
| * other condition makes the receiver not visible, this method |
| * may still indicate that it is considered visible even though |
| * it may not actually be showing. |
| * </p> |
| * |
| * @return the receiver's header's visibility state |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @since 3.1 |
| */ |
| public boolean getHeaderVisible () { |
| checkWidget (); |
| short [] height = new short [1]; |
| OS.GetDataBrowserListViewHeaderBtnHeight (handle, height); |
| return height [0] != 0; |
| } |
| |
| int getLeftDisclosureInset (int column_id) { |
| int [] disclosure = new int [1]; |
| OS.GetDataBrowserListViewDisclosureColumn (handle, disclosure, new boolean [1]); |
| if (disclosure [0] == column_id) { |
| int width = 0; |
| int [] metric1 = new int [1]; |
| OS.GetThemeMetric (OS.kThemeMetricDisclosureTriangleWidth, metric1); |
| width += metric1 [0]; |
| if (OS.VERSION >= 0x1040) { |
| float [] metric = new float [1]; |
| OS.DataBrowserGetMetric (handle, OS.kDataBrowserMetricDisclosureColumnEdgeInset, null, metric); |
| width += (int) metric [0]; |
| OS.DataBrowserGetMetric (handle, OS.kDataBrowserMetricDisclosureTriangleAndContentGap, null, metric); |
| width += (int) metric [0]; |
| } else { |
| width += DISCLOSURE_COLUMN_EDGE_INSET + DISCLOSURE_TRIANGLE_AND_CONTENT_GAP; |
| } |
| return width; |
| } |
| return 0; |
| } |
| |
| int getInsetWidth (int column_id, boolean leftInset) { |
| int inset = 0; |
| if (OS.VERSION >= 0x1040) { |
| float [] metric = new float [1]; |
| OS.DataBrowserGetMetric (handle, OS.kDataBrowserMetricCellContentInset, null, metric); |
| inset = (int) metric [0]; |
| } else { |
| inset = CELL_CONTENT_INSET; |
| } |
| int width = 0; |
| int [] disclosure = new int [1]; |
| OS.GetDataBrowserListViewDisclosureColumn (handle, disclosure, new boolean [1]); |
| if (disclosure [0] != column_id) { |
| width += inset * 2; |
| } else { |
| width += inset; |
| if (leftInset) width += getLeftDisclosureInset (column_id); |
| } |
| return width; |
| } |
| |
| /** |
| * Returns the item at the given, zero-relative index in the |
| * receiver. Throws an exception if the index is out of range. |
| * |
| * @param index the index of the item to return |
| * @return the item at the given index |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @since 3.1 |
| */ |
| public TreeItem getItem (int index) { |
| checkWidget (); |
| int count = getItemCount (null); |
| if (index < 0 || index >= count) error (SWT.ERROR_INVALID_RANGE); |
| return _getItem (null, index); |
| } |
| |
| /** |
| * Returns the item at the given point in the receiver |
| * or null if no such item exists. The point is in the |
| * coordinate system of the receiver. |
| * <p> |
| * The item that is returned represents an item that could be selected by the user. |
| * For example, if selection only occurs in items in the first column, then null is |
| * returned if the point is outside of the item. |
| * Note that the SWT.FULL_SELECTION style hint, which specifies the selection policy, |
| * determines the extent of the selection. |
| * </p> |
| * |
| * @param point the point used to locate the item |
| * @return the item at the given point, or null if the point is not in a selectable item |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the point is null</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public TreeItem getItem (Point point) { |
| checkWidget (); |
| if (point == null) error (SWT.ERROR_NULL_ARGUMENT); |
| int [] disclosure = new int [1]; |
| OS.GetDataBrowserListViewDisclosureColumn (handle, disclosure, new boolean [1]); |
| short [] height = new short [1]; |
| if (OS.GetDataBrowserTableViewRowHeight (handle, height) != OS.noErr) { |
| error (SWT.ERROR_CANNOT_GET_ITEM_HEIGHT); |
| } |
| Rect rect = new Rect (); |
| org.eclipse.swt.internal.carbon.Point pt = new org.eclipse.swt.internal.carbon.Point (); |
| OS.SetPt (pt, (short) point.x, (short) point.y); |
| if (0 < lastHittest && lastHittest <= items.length && lastHittestColumn != 0) { |
| TreeItem item = _getItem (lastHittest, false); |
| if (item != null) { |
| int lastPosColumnId = column_id; |
| for (int i=0; i<columnCount; i++) { |
| TreeColumn column = columns [i]; |
| int [] position = new int [1]; |
| OS.GetDataBrowserTableViewColumnPosition (handle, column.id, position); |
| if ((style & SWT.CHECK) != 0) position [0] -= 1; |
| if (position [0] == columnCount - 1) { |
| lastPosColumnId = column.id; |
| break; |
| } |
| } |
| if (OS.GetDataBrowserItemPartBounds (handle, item.id, lastPosColumnId, OS.kDataBrowserPropertyEnclosingPart, rect) == OS.noErr) { |
| if (pt.h > rect.right) return null; |
| } |
| if (OS.GetDataBrowserItemPartBounds (handle, item.id, disclosure[0], OS.kDataBrowserPropertyDisclosurePart, rect) == OS.noErr) { |
| if (OS.PtInRect (pt, rect)) return null; |
| } |
| if (OS.GetDataBrowserItemPartBounds (handle, item.id, lastHittestColumn, OS.kDataBrowserPropertyEnclosingPart, rect) == OS.noErr) { |
| rect.bottom = (short)(rect.top + height [0]); |
| if (OS.PtInRect (pt, rect)) return item; |
| if (rect.top <= pt.v && pt.v < rect.bottom) { |
| for (int j = 0; j < columnCount; j++) { |
| if (OS.GetDataBrowserItemPartBounds (handle, item.id, columns [j].id, OS.kDataBrowserPropertyEnclosingPart, rect) == OS.noErr) { |
| rect.bottom = (short)(rect.top + height [0]); |
| if (OS.PtInRect (pt, rect)) return item; |
| } |
| } |
| return null; |
| } |
| } |
| } |
| } |
| /* Find the item by approximating its row position */ |
| int[] top = new int[1]; |
| int[] left = new int[1]; |
| OS.GetDataBrowserScrollPosition (handle, top, left); |
| short [] header = new short [1]; |
| OS.GetDataBrowserListViewHeaderBtnHeight (handle, header); |
| int [] offsets = new int [] {0, 1, -1}; |
| for (int i = 0; i < offsets.length; i++) { |
| int row = (top[0] - header [0] + point.y) / height [0] + offsets [i]; |
| if (row >= 0) { |
| int [] itemId = new int[1]; |
| int result = OS.GetDataBrowserTableViewItemID (handle, row, itemId); |
| if (result != OS.noErr) return null; |
| TreeItem item = _getItem(itemId[0], false); |
| if (item == null) return null; |
| if (OS.GetDataBrowserItemPartBounds (handle, item.id, disclosure [0], OS.kDataBrowserPropertyDisclosurePart, rect) == OS.noErr) { |
| if (OS.PtInRect (pt, rect)) return null; |
| } |
| int columnId = columnCount == 0 ? column_id : columns [0].id; |
| if (OS.GetDataBrowserItemPartBounds (handle, item.id, columnId, OS.kDataBrowserPropertyEnclosingPart, rect) == OS.noErr) { |
| rect.bottom = (short)(rect.top + height [0]); |
| if (rect.top <= pt.v && pt.v < rect.bottom) { |
| if (columnCount == 0) { |
| if (OS.PtInRect (pt, rect)) return item; |
| } else { |
| for (int j = 0; j < columnCount; j++) { |
| if (OS.GetDataBrowserItemPartBounds (handle, item.id, columns [j].id, OS.kDataBrowserPropertyEnclosingPart, rect) == OS.noErr) { |
| rect.bottom = (short)(rect.top + height [0]); |
| if (OS.PtInRect (pt, rect)) return item; |
| } |
| } |
| } |
| return null; |
| } |
| } |
| } |
| } |
| return null; |
| } |
| |
| /** |
| * Returns the number of items contained in the receiver |
| * that are direct item children of the receiver. The |
| * number that is returned is the number of roots in the |
| * tree. |
| * |
| * @return the number of items |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public int getItemCount () { |
| checkWidget (); |
| return getItemCount (null); |
| } |
| |
| int getItemCount (TreeItem parentItem) { |
| if (parentItem == null) { |
| int [] count = new int [1]; |
| if (OS.GetDataBrowserItemCount (handle, OS.kDataBrowserNoItem, false, OS.kDataBrowserItemAnyState, count) == OS.noErr) { |
| return count [0]; |
| } |
| return 0; |
| } |
| return parentItem.itemCount; |
| } |
| |
| /** |
| * Returns the height of the area which would be used to |
| * display <em>one</em> of the items in the tree. |
| * |
| * @return the height of one item |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public int getItemHeight () { |
| checkWidget (); |
| short [] height = new short [1]; |
| if (OS.GetDataBrowserTableViewRowHeight (handle, height) != OS.noErr) { |
| error (SWT.ERROR_CANNOT_GET_ITEM_HEIGHT); |
| } |
| return height [0]; |
| } |
| |
| /** |
| * Returns a (possibly empty) array of items contained in the |
| * receiver that are direct item children of the receiver. These |
| * are the roots of the tree. |
| * <p> |
| * Note: This is not the actual structure used by the receiver |
| * to maintain its list of items, so modifying the array will |
| * not affect the receiver. |
| * </p> |
| * |
| * @return the items |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public TreeItem [] getItems () { |
| checkWidget (); |
| return getItems (null); |
| } |
| |
| TreeItem [] getItems (TreeItem parentItem) { |
| if (items == null) return new TreeItem [0]; |
| int count = getItemCount (parentItem); |
| TreeItem [] result = new TreeItem [count]; |
| for (int i=0; i<count; i++) { |
| result [i] = _getItem (parentItem, i); |
| } |
| return result; |
| } |
| |
| /** |
| * Returns <code>true</code> if the receiver's lines are visible, |
| * and <code>false</code> otherwise. Note that some platforms draw |
| * grid lines while others may draw alternating row colors. |
| * <p> |
| * If one of the receiver's ancestors is not visible or some |
| * other condition makes the receiver not visible, this method |
| * may still indicate that it is considered visible even though |
| * it may not actually be showing. |
| * </p> |
| * |
| * @return the visibility state of the lines |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @since 3.1 |
| */ |
| public boolean getLinesVisible () { |
| checkWidget (); |
| if (OS.VERSION >= 0x1040) { |
| int [] attrib = new int [1]; |
| OS.DataBrowserGetAttributes (handle, attrib); |
| return (attrib [0] & (OS.kDataBrowserAttributeListViewAlternatingRowColors | OS.kDataBrowserAttributeListViewDrawColumnDividers)) != 0; |
| } |
| return false; |
| } |
| |
| /** |
| * Returns the receiver's parent item, which must be a |
| * <code>TreeItem</code> or null when the receiver is a |
| * root. |
| * |
| * @return the receiver's parent item |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public TreeItem getParentItem () { |
| checkWidget (); |
| return null; |
| } |
| |
| /** |
| * Returns an array of <code>TreeItem</code>s that are currently |
| * selected in the receiver. The order of the items is unspecified. |
| * An empty array indicates that no items are selected. |
| * <p> |
| * Note: This is not the actual structure used by the receiver |
| * to maintain its selection, so modifying the array will |
| * not affect the receiver. |
| * </p> |
| * @return an array representing the selection |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public TreeItem [] getSelection () { |
| checkWidget (); |
| int [] count = new int [1]; |
| if (OS.GetDataBrowserItemCount (handle, OS.kDataBrowserNoItem, true, OS.kDataBrowserItemIsSelected, count) != OS.noErr) { |
| error (SWT.ERROR_CANNOT_GET_COUNT); |
| } |
| TreeItem [] result = new TreeItem [count[0]]; |
| if (count[0] > 0) { |
| int ptr = OS.NewHandle (0); |
| if (count[0] == 1) { |
| if (OS.GetDataBrowserItems (handle, OS.kDataBrowserNoItem, true, OS.kDataBrowserItemIsSelected, ptr) != OS.noErr) { |
| error (SWT.ERROR_CANNOT_GET_SELECTION); |
| } |
| OS.HLock (ptr); |
| int [] id = new int [1]; |
| OS.memmove (id, ptr, 4); |
| OS.memmove (id, id [0], 4); |
| result [0] = _getItem (id [0], true); |
| OS.HUnlock (ptr); |
| } else { |
| getSelection (result, OS.kDataBrowserNoItem, ptr, 0); |
| } |
| OS.DisposeHandle (ptr); |
| } |
| return result; |
| } |
| |
| int getSelection(TreeItem[] result, int item, int ptr, int index) { |
| OS.SetHandleSize (ptr, 0); |
| if (OS.GetDataBrowserItems (handle, item, false, OS.kDataBrowserItemIsSelected, ptr) != OS.noErr) { |
| error (SWT.ERROR_CANNOT_GET_SELECTION); |
| } |
| int count = OS.GetHandleSize (ptr) / 4; |
| if (count > 0) { |
| OS.HLock (ptr); |
| int [] id = new int [count]; |
| OS.memmove (id, ptr, 4); |
| OS.memmove (id, id [0], count * 4); |
| for (int i=0; i<count; i++) { |
| result [index++] = _getItem (id [count - i - 1], true); |
| } |
| OS.HUnlock (ptr); |
| if (index == result.length) return index; |
| } |
| OS.SetHandleSize (ptr, 0); |
| if (OS.GetDataBrowserItems (handle, item, false, OS.kDataBrowserContainerIsOpen, ptr) != OS.noErr) { |
| error (SWT.ERROR_CANNOT_GET_SELECTION); |
| } |
| count = OS.GetHandleSize (ptr) / 4; |
| if (count > 0) { |
| OS.HLock (ptr); |
| int [] id = new int [count]; |
| OS.memmove (id, ptr, 4); |
| OS.memmove (id, id [0], count * 4); |
| for (int i=0; i<count; i++) { |
| index = getSelection(result, id [count - i - 1], ptr, index); |
| if (index == result.length) return index; |
| } |
| OS.HUnlock (ptr); |
| } |
| return index; |
| } |
| |
| /** |
| * Returns the number of selected items contained in the receiver. |
| * |
| * @return the number of selected items |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public int getSelectionCount () { |
| checkWidget (); |
| int [] count = new int [1]; |
| if (OS.GetDataBrowserItemCount (handle, OS.kDataBrowserNoItem, true, OS.kDataBrowserItemIsSelected, count) != OS.noErr) { |
| error (SWT.ERROR_CANNOT_GET_COUNT); |
| } |
| return count [0]; |
| } |
| |
| /** |
| * Returns the column which shows the sort indicator for |
| * the receiver. The value may be null if no column shows |
| * the sort indicator. |
| * |
| * @return the sort indicator |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @see #setSortColumn(TreeColumn) |
| * |
| * @since 3.2 |
| */ |
| public TreeColumn getSortColumn () { |
| checkWidget (); |
| return sortColumn; |
| } |
| |
| /** |
| * Returns the direction of the sort indicator for the receiver. |
| * The value will be one of <code>UP</code>, <code>DOWN</code> |
| * or <code>NONE</code>. |
| * |
| * @return the sort direction |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @see #setSortDirection(int) |
| * |
| * @since 3.2 |
| */ |
| public int getSortDirection () { |
| checkWidget (); |
| return sortDirection; |
| } |
| |
| /** |
| * Returns the item which is currently at the top of the receiver. |
| * This item can change when items are expanded, collapsed, scrolled |
| * or new items are added or removed. |
| * |
| * @return the item at the top of the receiver |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @since 2.1 |
| */ |
| public TreeItem getTopItem () { |
| checkWidget (); |
| /* Find the topItem by calculating its row position */ |
| int[] top = new int[1], left = new int[1]; |
| OS.GetDataBrowserScrollPosition (handle, top, left); |
| int row = top[0] / getItemHeight ();; |
| int [] itemId = new int[1]; |
| int result = OS.GetDataBrowserTableViewItemID (handle, row, itemId); |
| if (result == OS.noErr) return _getItem (itemId[0], false); |
| return null; |
| } |
| |
| int helpProc (int inControl, int inGlobalMouse, int inRequest, int outContentProvided, int ioHelpContent) { |
| if (toolTipText == null) { |
| switch (inRequest) { |
| case OS.kHMSupplyContent: { |
| if (!(toolTipText != null && toolTipText.length () != 0)) { |
| Rect rect = new Rect (); |
| int window = OS.GetControlOwner (handle); |
| OS.GetWindowBounds (window, (short) OS.kWindowContentRgn, rect); |
| short windowLeft = rect.left, windowTop = rect.top; |
| org.eclipse.swt.internal.carbon.Point pt = new org.eclipse.swt.internal.carbon.Point (); |
| OS.memmove(pt, new int[] {inGlobalMouse}, 4); |
| pt.h -= windowLeft; |
| pt.v -= windowTop; |
| String toolTipText = null; |
| int tagSide = OS.kHMAbsoluteCenterAligned; |
| CGPoint inPt = new CGPoint (); |
| int [] contentView = new int [1]; |
| OS.HIViewFindByID (OS.HIViewGetRoot (OS.GetControlOwner (handle)), OS.kHIViewWindowContentID (), contentView); |
| OS.HIViewConvertPoint (inPt, handle, contentView [0]); |
| pt.h -= (int) inPt.x; |
| pt.v -= (int) inPt.y; |
| windowLeft += (int) inPt.x; |
| windowTop += (int) inPt.y; |
| int x = pt.h; |
| int y = pt.v; |
| int headerHeight = getHeaderHeight (); |
| if (headerHeight != 0 && (0 <= y && y < headerHeight) ) { |
| int startX = 0; |
| for (int i = 0; i < columnCount; i++) { |
| TreeColumn column = columns [i]; |
| int width = column.lastWidth + getLeftDisclosureInset (column.id); |
| if (startX <= x && x < startX + width) { |
| toolTipText = column.toolTipText; |
| rect.left = (short) startX; |
| rect.top = (short) 0; |
| rect.right = (short) (rect.left + width); |
| rect.bottom = (short) (rect.top + headerHeight); |
| tagSide = OS.kHMOutsideBottomRightAligned; |
| break; |
| } |
| startX += width; |
| } |
| } else { |
| TreeItem item = null; |
| if (0 < lastHittest && lastHittest <= items.length && lastHittestColumn != 0) { |
| if (OS.GetDataBrowserItemPartBounds (handle, lastHittest, lastHittestColumn, OS.kDataBrowserPropertyContentPart, rect) == OS.noErr) { |
| item = _getItem (lastHittest, false); |
| } |
| } |
| if (item != null) { |
| int columnIndex = 0; |
| TreeColumn column = null; |
| if (columnCount > 0) { |
| for (int i = 0; i < columnCount; i++) { |
| if (columns[i].id == lastHittestColumn) { |
| column = columns[i]; |
| columnIndex = i; |
| break; |
| } |
| } |
| } |
| int columnId = lastHittestColumn; |
| GC gc = new GC (this); |
| int inset = getInsetWidth (columnId, false); |
| int width = item.calculateWidth (columnIndex, gc) + inset; |
| gc.dispose (); |
| int columnWidth; |
| if (columnCount == 0) { |
| columnWidth = getClientArea ().width; |
| } else { |
| short [] w = new short [1]; |
| OS.GetDataBrowserTableViewNamedColumnWidth (handle, columnId, w); |
| columnWidth = w[0]; |
| } |
| if (width > columnWidth) { |
| toolTipText = item.getText (columnIndex); |
| Image image = item.getImage (columnIndex); |
| int imageWidth = image != null ? image.getBounds ().width + getGap () : 0; |
| int style = column == null ? SWT.LEFT : column.style; |
| if ((style & SWT.LEFT) != 0) { |
| rect.left += imageWidth; |
| rect.right = (short) (rect.left + width - imageWidth - inset); |
| } |
| if ((style & SWT.RIGHT) != 0) { |
| rect.left = (short) (rect.right - width + imageWidth + inset); |
| } |
| if ((style & SWT.CENTER) != 0) { |
| rect.left += imageWidth; |
| } |
| } |
| } |
| } |
| if (toolTipText != null && toolTipText.length () != 0) { |
| char [] buffer = new char [toolTipText.length ()]; |
| toolTipText.getChars (0, buffer.length, buffer, 0); |
| int length = fixMnemonic (buffer); |
| if (display.helpString != 0) OS.CFRelease (display.helpString); |
| display.helpString = OS.CFStringCreateWithCharacters (OS.kCFAllocatorDefault, buffer, length); |
| HMHelpContentRec helpContent = new HMHelpContentRec (); |
| OS.memmove (helpContent, ioHelpContent, HMHelpContentRec.sizeof); |
| display.helpWidget = this; |
| helpContent.version = OS.kMacHelpVersion; |
| helpContent.tagSide = (short) tagSide; |
| helpContent.absHotRect_left = (short) (rect.left + windowLeft); |
| helpContent.absHotRect_top = (short) (rect.top + windowTop); |
| helpContent.absHotRect_right = (short) (rect.right + windowLeft); |
| helpContent.absHotRect_bottom = (short) (rect.bottom + windowTop); |
| helpContent.content0_contentType = OS.kHMCFStringContent; |
| helpContent.content0_tagCFString = display.helpString; |
| helpContent.content1_contentType = OS.kHMCFStringContent; |
| helpContent.content1_tagCFString = display.helpString; |
| OS.memmove (ioHelpContent, helpContent, HMHelpContentRec.sizeof); |
| OS.memmove (outContentProvided, new short[]{OS.kHMContentProvided}, 2); |
| return OS.noErr; |
| } |
| } |
| break; |
| } |
| } |
| } |
| return super.helpProc (inControl, inGlobalMouse, inRequest, outContentProvided, ioHelpContent); |
| } |
| |
| int hitTestProc (int browser, int id, int property, int theRect, int mouseRect) { |
| lastHittest = id; |
| lastHittestColumn = property; |
| return 1; |
| } |
| |
| void hookEvents () { |
| super.hookEvents (); |
| DataBrowserCallbacks callbacks = new DataBrowserCallbacks (); |
| callbacks.version = OS.kDataBrowserLatestCallbacks; |
| OS.InitDataBrowserCallbacks (callbacks); |
| callbacks.v1_itemDataCallback = display.itemDataProc; |
| callbacks.v1_itemNotificationCallback = display.itemNotificationProc; |
| callbacks.v1_itemCompareCallback = display.itemCompareProc; |
| OS.SetDataBrowserCallbacks (handle, callbacks); |
| DataBrowserCustomCallbacks custom = new DataBrowserCustomCallbacks (); |
| custom.version = OS.kDataBrowserLatestCustomCallbacks; |
| OS.InitDataBrowserCustomCallbacks (custom); |
| custom.v1_drawItemCallback = display.drawItemProc; |
| custom.v1_hitTestCallback = display.hitTestProc; |
| custom.v1_trackingCallback = display.trackingProc; |
| OS.SetDataBrowserCustomCallbacks (handle, custom); |
| } |
| |
| /** |
| * Searches the receiver's list starting at the first column |
| * (index 0) until a column is found that is equal to the |
| * argument, and returns the index of that column. If no column |
| * is found, returns -1. |
| * |
| * @param column the search column |
| * @return the index of the column |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the column is null</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @since 3.1 |
| */ |
| public int indexOf (TreeColumn column) { |
| checkWidget (); |
| if (column == null) error (SWT.ERROR_NULL_ARGUMENT); |
| if (column.isDisposed ()) error (SWT.ERROR_INVALID_ARGUMENT); |
| for (int i=0; i<columnCount; i++) { |
| if (columns [i] == column) return i; |
| } |
| return -1; |
| } |
| |
| /** |
| * Searches the receiver's list starting at the first item |
| * (index 0) until an item is found that is equal to the |
| * argument, and returns the index of that item. If no item |
| * is found, returns -1. |
| * |
| * @param item the search item |
| * @return the index of the item |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the item is null</li> |
| * <li>ERROR_INVALID_ARGUMENT - if the item has been disposed</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @since 3.1 |
| */ |
| public int indexOf (TreeItem item) { |
| checkWidget (); |
| if (item == null) error (SWT.ERROR_NULL_ARGUMENT); |
| if (item.isDisposed ()) error (SWT.ERROR_INVALID_ARGUMENT); |
| if (item.parentItem != null) return -1; |
| return _indexOf (null, item); |
| } |
| |
| int _indexOf (TreeItem parentItem, TreeItem item) { |
| int [] ids = parentItem == null ? childIds : parentItem.childIds; |
| if (ids != null) { |
| for (int i=0; i<ids.length; i++) { |
| if (ids [i] == item.id) return i; |
| } |
| } |
| return -1; |
| } |
| |
| int itemCompareProc (int browser, int itemOne, int itemTwo, int sortProperty) { |
| boolean create = (style & SWT.VIRTUAL) != 0 && sortColumn != null |
| && !sortColumn.isDisposed () && sortDirection == SWT.DOWN; |
| TreeItem item1 = _getItem (itemOne, create); |
| TreeItem item2 = _getItem (itemTwo, create); |
| if (item1 == null || item2 == null) return OS.noErr; |
| int index1 = _indexOf (item1.parentItem, item1); |
| int index2 = _indexOf (item2.parentItem , item2); |
| if (sortDirection == SWT.DOWN && sortColumn != null) { |
| return index1 > index2 ? 1 : 0; |
| } |
| return index1 < index2 ? 1 : 0; |
| } |
| |
| int itemDataProc (int browser, int id, int property, int itemData, int setValue) { |
| switch (property) { |
| case CHECK_COLUMN_ID: { |
| TreeItem item = _getItem (id, true); |
| if (setValue != 0) { |
| item.checked = !item.checked; |
| if (item.checked && item.grayed) { |
| OS.SetDataBrowserItemDataButtonValue (itemData, (short) OS.kThemeButtonMixed); |
| } else { |
| int theData = item.checked ? OS.kThemeButtonOn : OS.kThemeButtonOff; |
| OS.SetDataBrowserItemDataButtonValue (itemData, (short) theData); |
| } |
| Event event = new Event (); |
| event.item = item; |
| event.detail = SWT.CHECK; |
| sendSelectionEvent (SWT.Selection, event, false); |
| /* |
| * Bug in the Macintosh. When the height of the row is smaller than the |
| * check box, the tail of the check mark draws outside of the item part |
| * bounds. This means it will not be redrawn when the item is unckeched. |
| * The fix is to redraw the area. |
| */ |
| if (!item.checked) item.redraw(Tree.CHECK_COLUMN_ID); |
| } else { |
| int theData = OS.kThemeButtonOff; |
| if (item.checked) theData = item.grayed ? OS.kThemeButtonMixed : OS.kThemeButtonOn; |
| OS.SetDataBrowserItemDataButtonValue (itemData, (short) theData); |
| } |
| break; |
| } |
| case OS.kDataBrowserItemIsContainerProperty: { |
| TreeItem item = _getItem (id, true); |
| if (item.itemCount > 0) { |
| OS.SetDataBrowserItemDataBooleanValue (itemData, true); |
| } |
| break; |
| } |
| } |
| return OS.noErr; |
| } |
| |
| int itemNotificationProc (int browser, int id, int message) { |
| if (message == OS.kDataBrowserUserStateChanged) { |
| boolean resized = false; |
| short [] width = new short [1]; |
| TreeColumn [] newColumns = getColumns (); |
| for (int i = 0; i < columnCount; i++) { |
| TreeColumn column = newColumns [i]; |
| if (!column.isDisposed ()) { |
| OS.GetDataBrowserTableViewNamedColumnWidth (handle, column.id, width); |
| if (width [0] != column.lastWidth) { |
| column.resized (width [0]); |
| resized = true; |
| } |
| } |
| if (!column.isDisposed ()) { |
| int [] position = new int[1]; |
| OS.GetDataBrowserTableViewColumnPosition (handle, column.id, position); |
| if (position [0] != column.lastPosition) { |
| column.lastPosition = position [0]; |
| int order = (style & SWT.CHECK) != 0 ? position [0] - 1 : position [0]; |
| if (order == 0) { |
| int [] disclosure = new int [1]; |
| boolean [] expandableRows = new boolean [1]; |
| OS.GetDataBrowserListViewDisclosureColumn (handle, disclosure, expandableRows); |
| if (disclosure [0] != column.id) { |
| OS.SetDataBrowserListViewDisclosureColumn (handle, column.id, expandableRows [0]); |
| } |
| } |
| column.sendEvent (SWT.Move); |
| resized = true; |
| } |
| } |
| } |
| int [] property = new int [1]; |
| OS.GetDataBrowserSortProperty (handle, property); |
| if (property [0] != 0) { |
| if (!resized) { |
| for (int i = 0; i < columnCount; i++) { |
| TreeColumn column = columns [i]; |
| if (property [0] == column.id) { |
| column.sendSelectionEvent (display.clickCount == 2 ? SWT.DefaultSelection : SWT.Selection); |
| break; |
| } |
| } |
| } |
| OS.SetDataBrowserSortProperty (handle, 0); |
| if (sortColumn != null && !sortColumn.isDisposed () && sortDirection != SWT.NONE) { |
| OS.SetDataBrowserSortProperty (handle, sortColumn.id); |
| int order = sortDirection == SWT.DOWN ? OS.kDataBrowserOrderDecreasing : OS.kDataBrowserOrderIncreasing; |
| OS.SetDataBrowserSortOrder (handle, (short) order); |
| } |
| } |
| return OS.noErr; |
| } |
| |
| /* |
| * The items in the databrowser lose their selection when we |
| * drag them (when we call OS.TrackDrag() in DragSource.drag()). |
| * We get kDataBrowserItemDeselected notification message |
| * for each of the items. The workaround is to select the |
| * deselected items in this case. DRAG_STARTED is set/unset |
| * before/after the call to OS.TrackDrag(). |
| * |
| * This doesn't happen for Tree with SWT.SINGLE style because |
| * we have set the OS.kDataBrowserNeverEmptySelectionSet flag. |
| */ |
| if (message == OS.kDataBrowserItemDeselected && (style & SWT.MULTI) != 0 && getData(DRAG_STARTED) != null) { |
| ignoreSelect = true; |
| OS.SetDataBrowserSelectedItems (handle, 1, new int[] {id}, OS.kDataBrowserItemsAdd); |
| ignoreSelect = false; |
| return OS.noErr; |
| } |
| |
| switch (message) { |
| case OS.kDataBrowserItemSelected: |
| savedAnchor = 0; |
| break; |
| case OS.kDataBrowserItemDeselected: { |
| int [] selectionCount = new int [1]; |
| if (OS.GetDataBrowserItemCount (handle, OS.kDataBrowserNoItem, true, OS.kDataBrowserItemIsSelected, selectionCount) == OS.noErr) { |
| if (selectionCount [0] == 0) savedAnchor = id; |
| } |
| break; |
| } |
| } |
| switch (message) { |
| case OS.kDataBrowserItemSelected: |
| case OS.kDataBrowserItemDeselected: { |
| wasSelected = true; |
| if (ignoreSelect) break; |
| int selectedId = id; |
| int [] first = new int [1], last = new int [1]; |
| OS.GetDataBrowserSelectionAnchor (handle, first, last); |
| boolean selected = false; |
| if ((style & SWT.MULTI) != 0) { |
| int modifiers = OS.GetCurrentEventKeyModifiers (); |
| if ((modifiers & OS.shiftKey) != 0) { |
| if (message == OS.kDataBrowserItemSelected) { |
| selected = first [0] == id || last [0] == id; |
| } else { |
| selected = id == anchorFirst || id == anchorLast; |
| } |
| } else { |
| if ((modifiers & OS.cmdKey) != 0) { |
| selected = true; |
| } else { |
| selected = first [0] == last [0]; |
| if (last [0] != 0) selectedId = last [0]; |
| } |
| } |
| } else { |
| selected = message == OS.kDataBrowserItemSelected; |
| } |
| if (selected) { |
| anchorFirst = first [0]; |
| anchorLast = last [0]; |
| Event event = new Event (); |
| event.item = _getItem (selectedId, true); |
| sendSelectionEvent (SWT.Selection, event, false); |
| } |
| break; |
| } |
| case OS.kDataBrowserItemDoubleClicked: { |
| wasSelected = true; |
| if (display.clickCount == 2) { |
| Event event = new Event (); |
| event.item = _getItem (id, true); |
| sendSelectionEvent (SWT.DefaultSelection, event, false); |
| } |
| break; |
| } |
| case OS.kDataBrowserContainerClosing: { |
| int ptr = OS.NewHandle (0); |
| if (OS.GetDataBrowserItems (handle, id, false, OS.kDataBrowserItemAnyState, ptr) == OS.noErr) { |
| int count = OS.GetHandleSize (ptr) / 4; |
| visibleCount -= count; |
| } |
| OS.DisposeHandle (ptr); |
| |
| /* |
| * Bug in the Macintosh. For some reason, if the selected sub items of an item |
| * get a kDataBrowserItemDeselected notificaton when the item is collapsed, a |
| * call to GetDataBrowserSelectionAnchor () will cause a segment fault. The |
| * fix is to deselect these items ignoring kDataBrowserItemDeselected and then |
| * issue a selection event. |
| */ |
| ptr = OS.NewHandle (0); |
| if (OS.GetDataBrowserItems (handle, id, true, OS.kDataBrowserItemIsSelected, ptr) == OS.noErr) { |
| int count = OS.GetHandleSize (ptr) / 4; |
| if (count > 0) { |
| int [] ids = new int [count]; |
| OS.HLock (ptr); |
| int [] start = new int [1]; |
| OS.memmove (start, ptr, 4); |
| OS.memmove (ids, start [0], count * 4); |
| OS.HUnlock (ptr); |
| boolean oldIgnore = ignoreSelect; |
| ignoreSelect = true; |
| /* |
| * Bug in the Macintosh. When the DataBrowser selection flags includes |
| * both kDataBrowserNeverEmptySelectionSet and kDataBrowserSelectOnlyOne, |
| * two items are selected when SetDataBrowserSelectedItems() is called |
| * with kDataBrowserItemsAssign to assign a new seletion despite the fact |
| * that kDataBrowserSelectOnlyOne was specified. The fix is to save and |
| * restore kDataBrowserNeverEmptySelectionSet around each call to |
| * SetDataBrowserSelectedItems(). |
| */ |
| int [] selectionFlags = null; |
| if ((style & SWT.SINGLE) != 0) { |
| selectionFlags = new int [1]; |
| OS.GetDataBrowserSelectionFlags (handle, selectionFlags); |
| OS.SetDataBrowserSelectionFlags (handle, selectionFlags [0] & ~OS.kDataBrowserNeverEmptySelectionSet); |
| } |
| OS.SetDataBrowserSelectedItems (handle, ids.length, ids, OS.kDataBrowserItemsRemove); |
| if ((style & SWT.SINGLE) != 0) { |
| OS.SetDataBrowserSelectionFlags (handle, selectionFlags [0]); |
| } |
| ignoreSelect = oldIgnore; |
| if (!ignoreSelect) { |
| Event event = new Event (); |
| event.item = _getItem (id, true); |
| sendSelectionEvent (SWT.Selection, event, true); |
| } |
| } |
| } |
| OS.DisposeHandle (ptr); |
| break; |
| } |
| case OS.kDataBrowserContainerClosed: { |
| TreeItem parentItem = _getItem (id, true); |
| if (parentItem == null) break; // can happen when removing all items |
| int [] ids = parentItem.childIds; |
| if (ids != null) { |
| for (int i=0; i<parentItem.itemCount; i++) { |
| TreeItem item = _getItem (ids [i], false); |
| if (item == null) ids [i] = 0; |
| } |
| } |
| wasExpanded = true; |
| if (!ignoreExpand) { |
| Event event = new Event (); |
| event.item = parentItem; |
| sendEvent (SWT.Collapse, event); |
| if (isDisposed ()) break; |
| setScrollWidth (true); |
| fixScrollBar (); |
| } |
| break; |
| } |
| case OS.kDataBrowserContainerOpened: { |
| TreeItem item = _getItem (id, true); |
| wasExpanded = true; |
| if (!ignoreExpand) { |
| Event event = new Event (); |
| event.item = item; |
| try { |
| item.state |= EXPANDING; |
| sendEvent (SWT.Expand, event); |
| if (isDisposed ()) break; |
| } finally { |
| item.state &= ~EXPANDING; |
| } |
| } |
| int newIdCount = 0; |
| for (int i=0; i<item.itemCount; i++) { |
| if (item.childIds [i] == 0) newIdCount++; |
| } |
| if (newIdCount > 0) { |
| int [] newIds = _getIds (newIdCount); |
| int index = 0; |
| for (int i=0; i<item.itemCount; i++) { |
| if (item.childIds [i] == 0) item.childIds [i] = newIds [index++]; |
| } |
| } |
| OS.AddDataBrowserItems (handle, id, item.itemCount, item.childIds, OS.kDataBrowserItemNoProperty); |
| visibleCount += item.itemCount; |
| if (!ignoreExpand) { |
| setScrollWidth (false, item.childIds, false); |
| } |
| break; |
| } |
| } |
| return OS.noErr; |
| } |
| |
| int kEventAccessibleGetNamedAttribute (int nextHandler, int theEvent, int userData) { |
| int code = OS.eventNotHandledErr; |
| int [] stringRef = new int [1]; |
| OS.GetEventParameter (theEvent, OS.kEventParamAccessibleAttributeName, OS.typeCFStringRef, null, 4, null, stringRef); |
| int length = 0; |
| if (stringRef [0] != 0) length = OS.CFStringGetLength (stringRef [0]); |
| char [] buffer = new char [length]; |
| CFRange range = new CFRange (); |
| range.length = length; |
| OS.CFStringGetCharacters (stringRef [0], range, buffer); |
| String attributeName = new String(buffer); |
| if (attributeName.equals(OS.kAXHeaderAttribute)) { |
| short [] height = new short [1]; |
| OS.GetDataBrowserListViewHeaderBtnHeight (handle, height); |
| if (height [0] == 0) { |
| /* |
| * Bug in the Macintosh. Even when the header is not visible, |
| * VoiceOver still reports each column header's role for every row. |
| * This is confusing and overly verbose. The fix is to return |
| * "no header" when the screen reader asks for the header, by |
| * returning noErr without setting the event parameter. |
| */ |
| code = OS.noErr; |
| } |
| } else { |
| int [] ref = new int [1]; |
| OS.GetEventParameter (theEvent, OS.kEventParamAccessibleObject, OS.typeCFTypeRef, null, 4, null, ref); |
| int axuielementref = ref [0]; |
| DataBrowserAccessibilityItemInfo itemInfo = new DataBrowserAccessibilityItemInfo (); |
| int err = OS.AXUIElementGetDataBrowserItemInfo (axuielementref, handle, 0, itemInfo); |
| if (err == OS.noErr && itemInfo.v0_columnProperty != OS.kDataBrowserItemNoProperty && itemInfo.v0_item != OS.kDataBrowserNoItem && itemInfo.v0_propertyPart == OS.kDataBrowserPropertyEnclosingPart) { |
| int columnIndex = 0; |
| for (columnIndex = 0; columnIndex < columnCount; columnIndex++) { |
| if (columns [columnIndex].id == itemInfo.v0_columnProperty) break; |
| } |
| if (columnIndex != columnCount || columnCount == 0) { |
| int id = itemInfo.v0_item; |
| TreeItem treeItem = _getItem (id, false); |
| if (attributeName.equals (OS.kAXRoleAttribute) || attributeName.equals (OS.kAXRoleDescriptionAttribute)) { |
| String roleText = OS.kAXStaticTextRole; |
| buffer = new char [roleText.length ()]; |
| roleText.getChars (0, buffer.length, buffer, 0); |
| stringRef [0] = OS.CFStringCreateWithCharacters (OS.kCFAllocatorDefault, buffer, buffer.length); |
| if (stringRef [0] != 0) { |
| if (attributeName.equals (OS.kAXRoleAttribute)) { |
| OS.SetEventParameter (theEvent, OS.kEventParamAccessibleAttributeValue, OS.typeCFStringRef, 4, stringRef); |
| } else { // kAXRoleDescriptionAttribute |
| int stringRef2 = OS.HICopyAccessibilityRoleDescription (stringRef [0], 0); |
| OS.SetEventParameter (theEvent, OS.kEventParamAccessibleAttributeValue, OS.typeCFStringRef, 4, new int [] {stringRef2}); |
| OS.CFRelease(stringRef2); |
| } |
| OS.CFRelease(stringRef [0]); |
| code = OS.noErr; |
| } |
| } else if (attributeName.equals(OS.kAXChildrenAttribute)) { |
| int children = OS.CFArrayCreateMutable (OS.kCFAllocatorDefault, 0, 0); |
| OS.SetEventParameter (theEvent, OS.kEventParamAccessibleAttributeValue, OS.typeCFMutableArrayRef, 4, new int [] {children}); |
| OS.CFRelease(children); |
| code = OS.noErr; |
| } else if (attributeName.equals (OS.kAXTitleAttribute) || attributeName.equals (OS.kAXDescriptionAttribute)) { |
| String text = treeItem.getText (columnIndex); |
| buffer = new char [text.length ()]; |
| text.getChars (0, buffer.length, buffer, 0); |
| stringRef [0] = OS.CFStringCreateWithCharacters (OS.kCFAllocatorDefault, buffer, buffer.length); |
| if (stringRef [0] != 0) { |
| OS.SetEventParameter (theEvent, OS.kEventParamAccessibleAttributeValue, OS.typeCFStringRef, 4, stringRef); |
| OS.CFRelease(stringRef [0]); |
| code = OS.noErr; |
| } |
| } |
| } |
| } |
| } |
| if (accessible != null) { |
| code = accessible.internal_kEventAccessibleGetNamedAttribute (nextHandler, theEvent, code); |
| } |
| return code; |
| } |
| |
| int kEventControlGetClickActivation (int nextHandler, int theEvent, int userData) { |
| OS.SetEventParameter (theEvent, OS.kEventParamClickActivation, OS.typeClickActivationResult, 4, new int [] {OS.kActivateAndHandleClick}); |
| return OS.noErr; |
| } |
| |
| int kEventControlSetCursor (int nextHandler, int theEvent, int userData) { |
| if (!isEnabledCursor ()) return OS.noErr; |
| if (isEnabledModal ()) { |
| org.eclipse.swt.internal.carbon.Point pt = new org.eclipse.swt.internal.carbon.Point (); |
| int sizeof = org.eclipse.swt.internal.carbon.Point.sizeof; |
| OS.GetEventParameter (theEvent, OS.kEventParamMouseLocation, OS.typeQDPoint, null, sizeof, null, pt); |
| if (!contains (pt.h, pt.v)) return OS.eventNotHandledErr; |
| } |
| return super.kEventControlSetCursor (nextHandler, theEvent, userData); |
| } |
| |
| int kEventUnicodeKeyPressed (int nextHandler, int theEvent, int userData) { |
| int result = super.kEventUnicodeKeyPressed (nextHandler, theEvent, userData); |
| if (result == OS.noErr) return result; |
| int [] keyboardEvent = new int [1]; |
| OS.GetEventParameter (theEvent, OS.kEventParamTextInputSendKeyboardEvent, OS.typeEventRef, null, keyboardEvent.length * 4, null, keyboardEvent); |
| int [] keyCode = new int [1]; |
| OS.GetEventParameter (keyboardEvent [0], OS.kEventParamKeyCode, OS.typeUInt32, null, keyCode.length * 4, null, keyCode); |
| switch (keyCode [0]) { |
| case 49: { /* Space */ |
| int [] first = new int [1], last = new int [1]; |
| if (OS.GetDataBrowserSelectionAnchor (handle, first, last) == OS.noErr) { |
| if (first [0] != 0) { |
| TreeItem item = _getItem (first [0], true); |
| if ((style & SWT.CHECK) != 0) { |
| item.setChecked (!item.getChecked (), true); |
| } |
| } |
| } |
| break; |
| } |
| case 76: /* KP Enter */ |
| case 36: { /* Return */ |
| sendSelectionEvent (SWT.DefaultSelection); |
| break; |
| } |
| /* |
| * Feature in the Macintosh. For some reason, when the user hits an |
| * up or down arrow to traverse the items in a Data Browser, the item |
| * scrolls to the left such that the white space that is normally |
| * visible to the right of the every item is scrolled out of view. |
| * The fix is to save and restore the horizontal scroll position. |
| */ |
| case 125: /* Down */ |
| case 126: /* Up*/ { |
| int [] itemCount = new int [1]; |
| if (OS.GetDataBrowserItemCount (handle, OS.kDataBrowserNoItem, false, OS.kDataBrowserItemAnyState, itemCount) == OS.noErr) { |
| if (itemCount [0] == 0) break; |
| } |
| int [] top = new int [1], left = new int [1]; |
| OS.GetDataBrowserScrollPosition (handle, top, left); |
| int [] itemId = null; |
| int [] selectionCount = new int [1]; |
| if (OS.GetDataBrowserItemCount (handle, OS.kDataBrowserNoItem, true, OS.kDataBrowserItemIsSelected, selectionCount) == OS.noErr) { |
| if (savedAnchor != 0 && selectionCount [0] == 0) { |
| int [] index = new int [1]; |
| if (OS.GetDataBrowserTableViewItemRow (handle, savedAnchor, index) == OS.noErr) { |
| index [0] = index [0] + (keyCode [0] == 125 ? 1 : -1); |
| itemId = new int [1]; |
| if (OS.GetDataBrowserTableViewItemID (handle, index [0], itemId) != OS.noErr) { |
| itemId [0] = savedAnchor; |
| } |
| } |
| } |
| } |
| if (itemId != null) { |
| OS.SetDataBrowserSelectedItems (handle, 1, itemId, OS.kDataBrowserItemsAssign); |
| result = OS.noErr; |
| } else { |
| result = OS.CallNextEventHandler (nextHandler, theEvent); |
| } |
| OS.GetDataBrowserScrollPosition (handle, top, null); |
| OS.SetDataBrowserScrollPosition (handle, top [0], left [0]); |
| redrawBackgroundImage (); |
| break; |
| } |
| } |
| return result; |
| } |
| |
| int kEventMouseDown (int nextHandler, int theEvent, int userData) { |
| int result = super.kEventMouseDown (nextHandler, theEvent, userData); |
| if (result == OS.noErr) return result; |
| wasSelected = wasExpanded = false; |
| result = OS.CallNextEventHandler (nextHandler, theEvent); |
| if (isDisposed ()) return OS.noErr; |
| if (!wasSelected && !wasExpanded) { |
| if (OS.IsDataBrowserItemSelected (handle, lastHittest)) { |
| if (0 < lastHittest && lastHittest <= items.length) { |
| Event event = new Event (); |
| event.item = _getItem (lastHittest, true); |
| sendSelectionEvent (SWT.Selection, event, false); |
| } |
| } |
| } |
| wasSelected = wasExpanded = false; |
| return result; |
| } |
| |
| void redrawBackgroundImage () { |
| super.redrawBackgroundImage(); |
| /* |
| * Bug in Carbon. The data browser copies bits from the window buffer when |
| * scrolling. If the control is obscured be a sibling control, the bits of the |
| * sibling are copied causing pixel corruption. The fix is to detect that the |
| * data browser is obscured and redraw any control that overlaps with the data |
| * browser bounds. |
| */ |
| if (isDisposed()) return; |
| redrawObscured (); |
| } |
| |
| void releaseItem (TreeItem item, boolean release) { |
| int id = item.id; |
| if (release) item.release (false); |
| if (savedAnchor == id) savedAnchor = 0; |
| items [id - 1] = null; |
| TreeItem parentItem = item.parentItem; |
| int [] ids = parentItem == null ? childIds : parentItem.childIds; |
| int index = -1; |
| for (int i = 0; i < ids.length; i++) { |
| if (ids [i] == id) { |
| index = i; break; |
| } |
| } |
| if (index != -1) { |
| System.arraycopy(ids, 0, ids, 0, index); |
| System.arraycopy(ids, index+1, ids, index, ids.length - index - 1); |
| ids [ids.length - 1] = 0; |
| } |
| if (parentItem != null) { |
| parentItem.itemCount--; |
| if (parentItem.itemCount == 0) parentItem.childIds = null; |
| } |
| } |
| |
| void releaseItems (int [] ids) { |
| if (ids == null) return; |
| for (int i=ids.length-1; i>= 0; i--) { |
| TreeItem item = _getItem (ids [i], false); |
| if (item != null) { |
| releaseItems (item.childIds); |
| if (!isDisposed ()) { |
| releaseItem (item, true); |
| } |
| } |
| } |
| } |
| |
| void releaseChildren (boolean destroy) { |
| for (int i=0; i<items.length; i++) { |
| TreeItem item = items [i]; |
| if (item != null && !item.isDisposed ()) { |
| item.release (false); |
| } |
| } |
| items = null; |
| childIds = null; |
| if (columns != null) { |
| for (int i=0; i<columnCount; i++) { |
| TreeColumn column = columns [i]; |
| if (column != null && !column.isDisposed ()) { |
| column.release (false); |
| } |
| } |
| columns = null; |
| } |
| super.releaseChildren (destroy); |
| } |
| |
| void releaseWidget () { |
| super.releaseWidget (); |
| sortColumn = null; |
| paintGC = null; |
| imageBounds = null; |
| showItem = null; |
| /* |
| * Feature in the Mac. When RemoveDataBrowserItems() is used |
| * to remove items, item notification callbacks are issued with |
| * the message kDataBrowserItemRemoved When many items are |
| * removed, this is slow. The fix is to temporarily remove |
| * the item notification callback. |
| */ |
| DataBrowserCallbacks callbacks = new DataBrowserCallbacks (); |
| OS.GetDataBrowserCallbacks (handle, callbacks); |
| callbacks.v1_itemNotificationCallback = 0; |
| callbacks.v1_itemCompareCallback = 0; |
| OS.SetDataBrowserCallbacks (handle, callbacks); |
| } |
| |
| /** |
| * Removes all of the items from the receiver. |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public void removeAll () { |
| checkWidget (); |
| for (int i=0; i<items.length; i++) { |
| TreeItem item = items [i]; |
| if (item != null && !item.isDisposed ()) item.release (false); |
| } |
| items = new TreeItem [4]; |
| childIds = null; |
| /* |
| * Feature in the Mac. When RemoveDataBrowserItems() is used |
| * to remove items, item notification callbacks are issued with |
| * the message kDataBrowserItemRemoved When many items are |
| * removed, this is slow. The fix is to temporarily remove |
| * the item notification callback. |
| */ |
| DataBrowserCallbacks callbacks = new DataBrowserCallbacks (); |
| OS.GetDataBrowserCallbacks (handle, callbacks); |
| callbacks.v1_itemNotificationCallback = 0; |
| callbacks.v1_itemCompareCallback = 0; |
| OS.SetDataBrowserCallbacks (handle, callbacks); |
| ignoreExpand = ignoreSelect = true; |
| int result = OS.RemoveDataBrowserItems (handle, OS.kDataBrowserNoItem, 0, null, 0); |
| ignoreExpand = ignoreSelect = false; |
| callbacks.v1_itemNotificationCallback = display.itemNotificationProc; |
| callbacks.v1_itemCompareCallback = display.itemCompareProc; |
| OS.SetDataBrowserCallbacks (handle, callbacks); |
| if (result != OS.noErr) error (SWT.ERROR_ITEM_NOT_REMOVED); |
| OS.SetDataBrowserScrollPosition (handle, 0, 0); |
| savedAnchor = anchorFirst = anchorLast = 0; |
| visibleCount = 0; |
| setScrollWidth (true); |
| } |
| |
| /** |
| * Removes the listener from the collection of listeners who will |
| * be notified when the user changes the receiver's selection. |
| * |
| * @param listener the listener which should no longer be notified |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @see SelectionListener |
| * @see #addSelectionListener |
| */ |
| public void removeSelectionListener (SelectionListener listener) { |
| checkWidget (); |
| if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); |
| eventTable.unhook (SWT.Selection, listener); |
| eventTable.unhook (SWT.DefaultSelection, listener); |
| } |
| |
| /** |
| * Removes the listener from the collection of listeners who will |
| * be notified when items in the receiver are expanded or collapsed. |
| * |
| * @param listener the listener which should no longer be notified |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @see TreeListener |
| * @see #addTreeListener |
| */ |
| public void removeTreeListener(TreeListener listener) { |
| checkWidget (); |
| if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); |
| if (eventTable == null) return; |
| eventTable.unhook (SWT.Expand, listener); |
| eventTable.unhook (SWT.Collapse, listener); |
| } |
| |
| void resetVisibleRegion (int control) { |
| super.resetVisibleRegion (control); |
| if (showItem != null && !showItem.isDisposed ()) { |
| showItem (showItem , true); |
| } |
| } |
| |
| void reskinChildren (int flags) { |
| if (items != null) { |
| for (int i=0; i<items.length; i++) { |
| TreeItem item = items [i]; |
| if (item != null) item.reskinChildren (flags); |
| } |
| } |
| if (columns != null) { |
| for (int i=0; i<columns.length; i++) { |
| TreeColumn column = columns [i]; |
| if (column != null) column.reskinChildren (flags); |
| } |
| } |
| super.reskinChildren (flags); |
| } |
| |
| /** |
| * Display a mark indicating the point at which an item will be inserted. |
| * The drop insert item has a visual hint to show where a dragged item |
| * will be inserted when dropped on the tree. |
| * |
| * @param item the insert item. Null will clear the insertion mark. |
| * @param before true places the insert mark above 'item'. false places |
| * the insert mark below 'item'. |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_INVALID_ARGUMENT - if the item has been disposed</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public void setInsertMark (TreeItem item, boolean before) { |
| checkWidget (); |
| if (item != null && item.isDisposed()) error(SWT.ERROR_INVALID_ARGUMENT); |
| TreeItem oldMark = insertItem; |
| insertItem = item; |
| insertBefore = before; |
| if (oldMark != null && !oldMark.isDisposed()) oldMark.redraw (OS.kDataBrowserNoItem); |
| if (item != null) item.redraw (OS.kDataBrowserNoItem); |
| } |
| |
| /** |
| * Selects all of the items in the receiver. |
| * <p> |
| * If the receiver is single-select, do nothing. |
| * </p> |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public void selectAll () { |
| checkWidget (); |
| if ((style & SWT.SINGLE) != 0) return; |
| ignoreSelect = true; |
| OS.SetDataBrowserSelectedItems (handle, 0, null, OS.kDataBrowserItemsAssign); |
| ignoreSelect = false; |
| } |
| |
| /** |
| * Selects an item in the receiver. If the item was already |
| * selected, it remains selected. |
| * |
| * @param item the item to be selected |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the item is null</li> |
| * <li>ERROR_INVALID_ARGUMENT - if the item has been disposed</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @since 3.4 |
| */ |
| public void select (TreeItem item) { |
| checkWidget (); |
| if (item == null) error (SWT.ERROR_NULL_ARGUMENT); |
| if (item.isDisposed ()) error (SWT.ERROR_INVALID_ARGUMENT); |
| showItem (item, false); |
| ignoreSelect = true; |
| /* |
| * Bug in the Macintosh. When the DataBroswer selection flags includes |
| * both kDataBrowserNeverEmptySelectionSet and kDataBrowserSelectOnlyOne, |
| * two items are selected when SetDataBrowserSelectedItems() is called |
| * with kDataBrowserItemsAssign to assign a new seletion despite the fact |
| * that kDataBrowserSelectOnlyOne was specified. The fix is to save and |
| * restore kDataBrowserNeverEmptySelectionSet around each call to |
| * SetDataBrowserSelectedItems(). |
| */ |
| int [] selectionFlags = null; |
| if ((style & SWT.SINGLE) != 0) { |
| selectionFlags = new int [1]; |
| OS.GetDataBrowserSelectionFlags (handle, selectionFlags); |
| OS.SetDataBrowserSelectionFlags (handle, selectionFlags [0] & ~OS.kDataBrowserNeverEmptySelectionSet); |
| } |
| OS.SetDataBrowserSelectedItems (handle, 1, new int [] {item.id}, (style & SWT.MULTI) != 0 ? OS.kDataBrowserItemsAdd : OS.kDataBrowserItemsAssign); |
| if ((style & SWT.SINGLE) != 0) { |
| OS.SetDataBrowserSelectionFlags (handle, selectionFlags [0]); |
| } |
| ignoreSelect = false; |
| } |
| |
| void setBackground (float [] color) { |
| /* |
| * Bug in the Macintosh. The default background of a window changes when |
| * the background of a data browser is set using SetControlFontStyle(). This |
| * also affects the background of any TNXObject created on that window. The |
| * fix is to avoid calling SetControlFontStyle() which has no effect |
| * in a data browser anyways. |
| */ |
| } |
| |
| int setBounds (int x, int y, int width, int height, boolean move, boolean resize, boolean events) { |
| /* |
| * Ensure that the selection is visible when the tree is resized |
| * from a zero size to a size that can show the selection. |
| */ |
| int result = super.setBounds (x, y, width, height, move, resize, events); |
| if (showItem != null && !showItem.isDisposed ()) { |
| showItem (showItem , true); |
| } |
| return result; |
| } |
| |
| /** |
| * Sets the order that the items in the receiver should |
| * be displayed in to the given argument which is described |
| * in terms of the zero-relative ordering of when the items |
| * were added. |
| * |
| * @param order the new order to display the items |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the item order is null</li> |
| * <li>ERROR_INVALID_ARGUMENT - if the item order is not the same length as the number of items</li> |
| * </ul> |
| * |
| * @see Tree#getColumnOrder() |
| * @see TreeColumn#getMoveable() |
| * @see TreeColumn#setMoveable(boolean) |
| * @see SWT#Move |
| * |
| * @since 3.2 |
| */ |
| public void setColumnOrder (int [] order) { |
| checkWidget (); |
| if (order == null) error (SWT.ERROR_NULL_ARGUMENT); |
| if (columnCount == 0) { |
| if (order.length != 0) error (SWT.ERROR_INVALID_ARGUMENT); |
| return; |
| } |
| if (order.length != columnCount) error (SWT.ERROR_INVALID_ARGUMENT); |
| int [] oldOrder = getColumnOrder (); |
| boolean reorder = false; |
| boolean [] seen = new boolean [columnCount]; |
| for (int i=0; i<order.length; i++) { |
| int index = order [i]; |
| if (index < 0 || index >= columnCount) error (SWT.ERROR_INVALID_ARGUMENT); |
| if (seen [index]) error (SWT.ERROR_INVALID_ARGUMENT); |
| seen [index] = true; |
| if (order [i] != oldOrder [i]) reorder = true; |
| } |
| if (reorder) { |
| int [] disclosure = new int [1]; |
| boolean [] expandableRows = new boolean [1]; |
| OS.GetDataBrowserListViewDisclosureColumn (handle, disclosure, expandableRows); |
| TreeColumn firstColumn = columns [order [0]]; |
| if (disclosure [0] != firstColumn.id) { |
| OS.SetDataBrowserListViewDisclosureColumn (handle, firstColumn.id, expandableRows [0]); |
| } |
| int x = 0; |
| short [] width = new short [1]; |
| int [] oldX = new int [oldOrder.length]; |
| for (int i=0; i<oldOrder.length; i++) { |
| int index = oldOrder [i]; |
| TreeColumn column = columns [index]; |
| oldX [index] = x; |
| OS.GetDataBrowserTableViewNamedColumnWidth(handle, column.id, width); |
| x += width [0]; |
| } |
| x = 0; |
| int [] newX = new int [order.length]; |
| for (int i=0; i<order.length; i++) { |
| int index = order [i]; |
| TreeColumn column = columns [index]; |
| int position = (style & SWT.CHECK) != 0 ? i + 1 : i; |
| OS.SetDataBrowserTableViewColumnPosition(handle, column.id, position); |
| column.lastPosition = position; |
| newX [index] = x; |
| OS.GetDataBrowserTableViewNamedColumnWidth(handle, column.id, width); |
| x += width [0]; |
| } |
| TreeColumn[] newColumns = new TreeColumn [columnCount]; |
| System.arraycopy (columns, 0, newColumns, 0, columnCount); |
| for (int i=0; i<columnCount; i++) { |
| TreeColumn column = newColumns [i]; |
| if (!column.isDisposed ()) { |
| if (newX [i] != oldX [i]) { |
| column.sendEvent (SWT.Move); |
| } |
| } |
| } |
| } |
| } |
| |
| void setFontStyle (Font font) { |
| super.setFontStyle (font); |
| if (items == null) return; |
| for (int i = 0; i < items.length; i++) { |
| TreeItem item = items [i]; |
| if (item != null) item.width = -1; |
| } |
| setScrollWidth (true); |
| } |
| |
| /** |
| * Marks the receiver's header as visible if the argument is <code>true</code>, |
| * and marks it invisible otherwise. |
| * <p> |
| * If one of the receiver's ancestors is not visible or some |
| * other condition makes the receiver not visible, marking |
| * it visible may not actually cause it to be displayed. |
| * </p> |
| * |
| * @param show the new visibility state |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @since 3.1 |
| */ |
| public void setHeaderVisible (boolean show) { |
| checkWidget (); |
| short [] height = new short [1]; |
| OS.GetDataBrowserListViewHeaderBtnHeight (handle, height); |
| if ((height [0] != 0) != show) { |
| OS.SetDataBrowserListViewHeaderBtnHeight (handle, (short) (show ? headerHeight : 0)); |
| invalidateVisibleRegion (handle); |
| } |
| } |
| |
| /** |
| * Sets the number of root-level items contained in the receiver. |
| * |
| * @param count the number of items |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @since 3.2 |
| */ |
| public void setItemCount (int count) { |
| checkWidget (); |
| count = Math.max (0, count); |
| setItemCount (null, count); |
| } |
| |
| void setItemCount (TreeItem parentItem, int count) { |
| int itemCount = getItemCount (parentItem); |
| if (count == itemCount) return; |
| setRedraw (false); |
| int [] top = new int [1], left = new int [1]; |
| OS.GetDataBrowserScrollPosition (handle, top, left); |
| DataBrowserCallbacks callbacks = new DataBrowserCallbacks (); |
| OS.GetDataBrowserCallbacks (handle, callbacks); |
| callbacks.v1_itemNotificationCallback = 0; |
| callbacks.v1_itemCompareCallback = 0; |
| OS.SetDataBrowserCallbacks (handle, callbacks); |
| int [] ids = parentItem == null ? childIds : parentItem.childIds; |
| int removeCount = 0; |
| if (count < itemCount) { |
| int oldAnchor = savedAnchor; |
| int selectionCount = getSelectionCount (); |
| int [] removeIds = new int [itemCount - count]; |
| for (int index = ids.length - 1; index >= count; index--) { |
| int id = ids [index]; |
| if (id != 0) { |
| TreeItem item = _getItem (id, false); |
| if (item != null && !item.isDisposed ()) { |
| item.dispose (); |
| } else { |
| if (parentItem == null || parentItem.getExpanded ()) { |
| removeIds [removeIds.length - removeCount - 1] = id; |
| removeCount++; |
| visibleCount--; |
| } |
| } |
| } |
| } |
| if (removeCount != 0 && removeCount != removeIds.length) { |
| int [] tmp = new int [removeCount]; |
| System.arraycopy(removeIds, removeIds.length - removeCount, tmp, 0, removeCount); |
| removeIds = tmp; |
| } |
| if (removeCount != 0 && OS.RemoveDataBrowserItems (handle, OS.kDataBrowserNoItem, removeCount, removeIds, 0) != OS.noErr) { |
| error (SWT.ERROR_ITEM_NOT_REMOVED); |
| } |
| boolean fixAnchor = selectionCount != 0 && getSelectionCount () == 0; |
| if (fixAnchor || (savedAnchor != 0 && savedAnchor != oldAnchor)) { |
| savedAnchor = 0; |
| if (count == 0) { |
| savedAnchor = parentItem == null ? 0 : parentItem.id; |
| } else { |
| int index = count - 1; |
| if (0 <= index && index < ids.length) { |
| savedAnchor = ids [index]; |
| } |
| } |
| } |
| |
| //TODO - move shrink to paint event |
| // shrink items array |
| int lastIndex = items.length; |
| for (int i=items.length; i>0; i--) { |
| if (items [i-1] != null) { |
| lastIndex = i; |
| break; |
| } |
| } |
| if (lastIndex < items.length - 4) { |
| int length = Math.max (4, (lastIndex + 3) / 4 * 4); |
| TreeItem [] newItems = new TreeItem [length]; |
| System.arraycopy(items, 0, newItems, 0, Math.min(items.length, lastIndex)); |
| items = newItems; |
| } |
| } |
| |
| if (parentItem != null) parentItem.itemCount = count; |
| int length = Math.max (4, (count + 3) / 4 * 4); |
| int [] newIds = new int [length]; |
| if (ids != null) { |
| System.arraycopy (ids, 0, newIds, 0, Math.min (count, itemCount)); |
| } |
| ids = newIds; |
| if (parentItem == null) { |
| childIds = newIds; |
| } else { |
| parentItem.childIds = newIds; |
| } |
| |
| if (count > itemCount) { |
| if ((getStyle() & SWT.VIRTUAL) == 0) { |
| int delta = Math.max (4, (count - itemCount + 3) / 4 * 4); |
| TreeItem [] newItems = new TreeItem [items.length + delta]; |
| System.arraycopy (items, 0, newItems, 0, items.length); |
| items = newItems; |
| for (int i=itemCount; i<count; i++) { |
| items [i] = new TreeItem (this, parentItem, SWT.NONE, i, true); |
| } |
| } else { |
| if (parentItem == null || parentItem.getExpanded ()) { |
| int parentID = parentItem == null ? OS.kDataBrowserNoItem : parentItem.id; |
| int [] addIds = _getIds (count - itemCount); |
| if (OS.AddDataBrowserItems (handle, parentID, addIds.length, addIds, OS.kDataBrowserItemNoProperty) != OS.noErr) { |
| error (SWT.ERROR_ITEM_NOT_ADDED); |
| } |
| visibleCount += (count - itemCount); |
| System.arraycopy (addIds, 0, ids, itemCount, addIds.length); |
| } |
| } |
| } |
| |
| callbacks.v1_itemNotificationCallback = display.itemNotificationProc; |
| callbacks.v1_itemCompareCallback = display.itemCompareProc; |
| OS.SetDataBrowserCallbacks (handle, callbacks); |
| if ((style & SWT.VIRTUAL) != 0 && sortColumn != null |
| && !sortColumn.isDisposed () && sortDirection == SWT.DOWN) { |
| OS.UpdateDataBrowserItems (handle, 0, 0, null, OS.kDataBrowserItemNoProperty, OS.kDataBrowserNoItem); |
| } |
| setRedraw (true); |
| if (itemCount == 0 && parentItem != null) parentItem.redraw (OS.kDataBrowserNoItem); |
| if (removeCount != 0) fixScrollBar (); |
| } |
| |
| /*public*/ void setItemHeight (int itemHeight) { |
| checkWidget (); |
| if (itemHeight < -1) error (SWT.ERROR_INVALID_ARGUMENT); |
| if (itemHeight == -1) { |
| //TODO - reset item height, ensure other API's such as setFont don't do this |
| } else { |
| OS.SetDataBrowserTableViewRowHeight (handle, (short) itemHeight); |
| } |
| } |
| |
| void setItemHeight (Image image) { |
| Rectangle bounds = image != null ? image.getBounds () : imageBounds; |
| if (bounds == null) return; |
| imageBounds = bounds; |
| short [] height = new short [1]; |
| if (OS.GetDataBrowserTableViewRowHeight (handle, height) == OS.noErr) { |
| if (height [0] < bounds.height) { |
| OS.SetDataBrowserTableViewRowHeight (handle, (short) bounds.height); |
| } |
| } |
| } |
| |
| /** |
| * Marks the receiver's lines as visible if the argument is <code>true</code>, |
| * and marks it invisible otherwise. Note that some platforms draw |
| * grid lines while others may draw alternating row colors. |
| * <p> |
| * If one of the receiver's ancestors is not visible or some |
| * other condition makes the receiver not visible, marking |
| * it visible may not actually cause it to be displayed. |
| * </p> |
| * |
| * @param show the new visibility state |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @since 3.1 |
| */ |
| public void setLinesVisible (boolean show) { |
| checkWidget (); |
| if (OS.VERSION >= 0x1040) { |
| int attrib = OS.kDataBrowserAttributeListViewAlternatingRowColors | OS.kDataBrowserAttributeListViewDrawColumnDividers; |
| OS.DataBrowserChangeAttributes (handle, show ? attrib : 0, !show ? attrib : 0); |
| redraw (); |
| } |
| } |
| |
| public void setRedraw (boolean redraw) { |
| checkWidget(); |
| super.setRedraw (redraw); |
| if (redraw && drawCount == 0) { |
| setScrollWidth (true); |
| } |
| } |
| |
| boolean setScrollWidth (TreeItem item) { |
| if (ignoreRedraw || !getDrawing ()) return false; |
| if (columnCount != 0) return false; |
| TreeItem parentItem = item.parentItem; |
| if (parentItem != null && !parentItem._getExpanded ()) return false; |
| GC gc = new GC (this); |
| int newWidth = item.calculateWidth (0, gc); |
| gc.dispose (); |
| newWidth += getInsetWidth (column_id, false); |
| short [] width = new short [1]; |
| OS.GetDataBrowserTableViewNamedColumnWidth (handle, column_id, width); |
| if (width [0] < newWidth) { |
| OS.SetDataBrowserTableViewNamedColumnWidth (handle, column_id, (short) newWidth); |
| return true; |
| } |
| return false; |
| } |
| |
| boolean setScrollBarVisible (ScrollBar bar, boolean visible) { |
| boolean [] horiz = new boolean [1], vert = new boolean [1]; |
| OS.GetDataBrowserHasScrollBars (handle, horiz, vert); |
| if ((bar.style & SWT.H_SCROLL) != 0) horiz [0] = visible; |
| if ((bar.style & SWT.V_SCROLL) != 0) vert [0] = visible; |
| if (!visible) { |
| bar.redraw (); |
| bar.deregister (); |
| } |
| if (OS.SetDataBrowserHasScrollBars (handle, horiz [0], vert [0]) == OS.noErr) { |
| if (visible) { |
| bar.handle = findStandardBar (bar.style); |
| bar.register (); |
| bar.hookEvents (); |
| bar.redraw (); |
| } else { |
| bar.handle = 0; |
| } |
| return true; |
| } else { |
| if (!visible) { |
| bar.register (); |
| } |
| } |
| return false; |
| } |
| |
| boolean setScrollWidth (boolean set) { |
| return setScrollWidth(set, childIds, true); |
| } |
| |
| boolean setScrollWidth (boolean set, int[] childIds, boolean recurse) { |
| if (ignoreRedraw || !getDrawing ()) return false; |
| if (columnCount != 0 || childIds == null) return false; |
| GC gc = new GC (this); |
| int newWidth = calculateWidth (childIds, gc, recurse, 0, 0); |
| gc.dispose (); |
| newWidth += getInsetWidth (column_id, false); |
| if (!set) { |
| short [] width = new short [1]; |
| OS.GetDataBrowserTableViewNamedColumnWidth (handle, column_id, width); |
| if (width [0] >= newWidth) return false; |
| } |
| OS.SetDataBrowserTableViewNamedColumnWidth (handle, column_id, (short) newWidth); |
| return true; |
| } |
| |
| /** |
| * Sets the receiver's selection to the given item. |
| * The current selection is cleared before the new item is selected. |
| * <p> |
| * If the item is not in the receiver, then it is ignored. |
| * </p> |
| * |
| * @param item the item to select |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the item is null</li> |
| * <li>ERROR_INVALID_ARGUMENT - if the item has been disposed</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @since 3.2 |
| */ |
| public void setSelection (TreeItem item) { |
| checkWidget (); |
| if (item == null) error (SWT.ERROR_NULL_ARGUMENT); |
| setSelection (new TreeItem [] {item}); |
| } |
| |
| /** |
| * Sets the receiver's selection to be the given array of items. |
| * The current selection is cleared before the new items are selected. |
| * <p> |
| * Items that are not in the receiver are ignored. |
| * If the receiver is single-select and multiple items are specified, |
| * then all items are ignored. |
| * </p> |
| * |
| * @param items the array of items |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the array of items is null</li> |
| * <li>ERROR_INVALID_ARGUMENT - if one of the items has been disposed</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @see Tree#deselectAll() |
| */ |
| public void setSelection (TreeItem [] items) { |
| checkWidget (); |
| if (items == null) error (SWT.ERROR_NULL_ARGUMENT); |
| deselectAll (); |
| int length = items.length; |
| if (length == 0 || ((style & SWT.SINGLE) != 0 && length > 1)) return; |
| int count = 0; |
| int[] ids = new int [length]; |
| for (int i=0; i<length; i++) { |
| if (items [i] != null) { |
| if (items [i].isDisposed ()) error (SWT.ERROR_INVALID_ARGUMENT); |
| ids [count++] = items [i].id; |
| showItem (items [i], false); |
| } |
| } |
| ignoreSelect = true; |
| /* |
| * Bug in the Macintosh. When the DataBroswer selection flags includes |
| * both kDataBrowserNeverEmptySelectionSet and kDataBrowserSelectOnlyOne, |
| * two items are selected when SetDataBrowserSelectedItems() is called |
| * with kDataBrowserItemsAssign to assign a new seletion despite the fact |
| * that kDataBrowserSelectOnlyOne was specified. The fix is to save and |
| * restore kDataBrowserNeverEmptySelectionSet around each call to |
| * SetDataBrowserSelectedItems(). |
| */ |
| int [] selectionFlags = null; |
| if ((style & SWT.SINGLE) != 0) { |
| selectionFlags = new int [1]; |
| OS.GetDataBrowserSelectionFlags (handle, selectionFlags); |
| OS.SetDataBrowserSelectionFlags (handle, selectionFlags [0] & ~OS.kDataBrowserNeverEmptySelectionSet); |
| } |
| OS.SetDataBrowserSelectedItems (handle, count, ids, OS.kDataBrowserItemsAssign); |
| if ((style & SWT.SINGLE) != 0) { |
| OS.SetDataBrowserSelectionFlags (handle, selectionFlags [0]); |
| } |
| ignoreSelect = false; |
| if (length > 0) { |
| int index = -1; |
| for (int i=0; i<items.length; i++) { |
| if (items [i] != null) { |
| index = i; |
| break; |
| } |
| } |
| if (index != -1) showItem (items [index], true); |
| } |
| } |
| |
| /** |
| * Sets the column used by the sort indicator for the receiver. A null |
| * value will clear the sort indicator. The current sort column is cleared |
| * before the new column is set. |
| * |
| * @param column the column used by the sort indicator or <code>null</code> |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_INVALID_ARGUMENT - if the column is disposed</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @since 3.2 |
| */ |
| public void setSortColumn (TreeColumn column) { |
| checkWidget (); |
| if (column != null && column.isDisposed ()) error (SWT.ERROR_INVALID_ARGUMENT); |
| if (column == sortColumn) return; |
| if (column == null) { |
| if (sortColumn != null && !sortColumn.isDisposed () && sortDirection != SWT.NONE) { |
| OS.SetDataBrowserSortOrder (handle, (short) OS.kDataBrowserOrderIncreasing); |
| sortColumn = null; |
| OS.SetDataBrowserSortProperty (handle, 0); |
| } |
| } |
| sortColumn = column; |
| if (sortColumn != null && !sortColumn.isDisposed () && sortDirection != SWT.NONE) { |
| OS.SetDataBrowserSortProperty (handle, sortColumn.id); |
| int order = sortDirection == SWT.DOWN ? OS.kDataBrowserOrderDecreasing : OS.kDataBrowserOrderIncreasing; |
| OS.SetDataBrowserSortOrder (handle, (short) order); |
| } |
| } |
| |
| /** |
| * Sets the direction of the sort indicator for the receiver. The value |
| * can be one of <code>UP</code>, <code>DOWN</code> or <code>NONE</code>. |
| * |
| * @param direction the direction of the sort indicator |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @since 3.2 |
| */ |
| public void setSortDirection (int direction) { |
| checkWidget (); |
| if (direction != SWT.UP && direction != SWT.DOWN && direction != SWT.NONE) return; |
| if (direction == sortDirection) return; |
| sortDirection = direction; |
| if (sortColumn != null && !sortColumn.isDisposed ()) { |
| if (sortDirection == SWT.NONE) { |
| OS.SetDataBrowserSortOrder (handle, (short) OS.kDataBrowserOrderIncreasing); |
| TreeColumn column = sortColumn; |
| sortColumn = null; |
| OS.SetDataBrowserSortProperty (handle, 0); |
| sortColumn = column; |
| } else { |
| OS.SetDataBrowserSortProperty (handle, 0); |
| OS.SetDataBrowserSortProperty (handle, sortColumn.id); |
| int order = sortDirection == SWT.DOWN ? OS.kDataBrowserOrderDecreasing : OS.kDataBrowserOrderIncreasing; |
| OS.SetDataBrowserSortOrder (handle, (short) order); |
| } |
| } |
| } |
| |
| /** |
| * Sets the item which is currently at the top of the receiver. |
| * This item can change when items are expanded, collapsed, scrolled |
| * or new items are added or removed. |
| * |
| * @param item the item to be shown |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the item is null</li> |
| * <li>ERROR_INVALID_ARGUMENT - if the item has been disposed</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @see Tree#getTopItem() |
| * |
| * @since 2.1 |
| */ |
| public void setTopItem (TreeItem item) { |
| checkWidget(); |
| if (item == null) error (SWT.ERROR_NULL_ARGUMENT); |
| if (item.isDisposed ()) error (SWT.ERROR_INVALID_ARGUMENT); |
| showItem (item, false); |
| int itemHeight = getItemHeight (); |
| int [] top = new int [1], left = new int [1]; |
| OS.GetDataBrowserScrollPosition (handle, top, left); |
| int [] index = new int [1]; |
| OS.GetDataBrowserTableViewItemRow (handle, item.id, index); |
| top [0] = Math.max (0, Math.min (itemHeight * visibleCount + getHeaderHeight () - getClientArea ().height, index [0] * itemHeight)); |
| OS.SetDataBrowserScrollPosition (handle, top [0], item.parentItem != null ? left [0] : 0); |
| } |
| |
| /** |
| * Shows the column. If the column is already showing in the receiver, |
| * this method simply returns. Otherwise, the columns are scrolled until |
| * the column is visible. |
| * |
| * @param column the column to be shown |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the item is null</li> |
| * <li>ERROR_INVALID_ARGUMENT - if the item has been disposed</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @since 3.1 |
| */ |
| public void showColumn (TreeColumn column) { |
| checkWidget (); |
| if (column == null) error (SWT.ERROR_NULL_ARGUMENT); |
| if (column.isDisposed()) error(SWT.ERROR_INVALID_ARGUMENT); |
| if (column.parent != this) return; |
| int index = indexOf (column); |
| if (columnCount <= 1 || !(0 <= index && index < columnCount)) return; |
| // Get width and horizontal position of column |
| short [] w = new short [1]; |
| OS.GetDataBrowserTableViewNamedColumnWidth (handle, column.id, w); |
| int width = w [0]; |
| int x = 0; |
| for (int i = 0; i < index; i++) { |
| w = new short [1]; |
| OS.GetDataBrowserTableViewNamedColumnWidth (handle, columns[i].id, w); |
| x += w [0]; |
| } |
| // Get current scroll position |
| int [] top = new int [1], left = new int [1]; |
| OS.GetDataBrowserScrollPosition (handle, top, left); |
| // Scroll column into view |
| if (x < left[0]) { |
| OS.SetDataBrowserScrollPosition(handle, top [0], x); |
| } else { |
| Rectangle rect = getClientArea (); |
| int maxWidth = rect.width; |
| width = Math.min(width, maxWidth); |
| if (x + width > left [0] + maxWidth) { |
| left [0] = x + width - maxWidth; |
| OS.SetDataBrowserScrollPosition(handle, top [0], left [0]); |
| } |
| } |
| } |
| |
| /** |
| * Shows the item. If the item is already showing in the receiver, |
| * this method simply returns. Otherwise, the items are scrolled |
| * and expanded until the item is visible. |
| * |
| * @param item the item to be shown |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the item is null</li> |
| * <li>ERROR_INVALID_ARGUMENT - if the item has been disposed</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @see Tree#showSelection() |
| */ |
| public void showItem (TreeItem item) { |
| checkWidget (); |
| if (item == null) error (SWT.ERROR_NULL_ARGUMENT); |
| if (item.isDisposed ()) error (SWT.ERROR_INVALID_ARGUMENT); |
| showItem (item, true); |
| } |
| |
| void showItem (TreeItem item, boolean scroll) { |
| int count = 0; |
| TreeItem parentItem = item.parentItem; |
| while (parentItem != null && !parentItem._getExpanded ()) { |
| count++; |
| parentItem = parentItem.parentItem; |
| } |
| int index = 0; |
| parentItem = item.parentItem; |
| TreeItem [] path = new TreeItem [count]; |
| while (parentItem != null && !parentItem._getExpanded ()) { |
| path [index++] = parentItem; |
| parentItem = parentItem.parentItem; |
| } |
| for (int i=path.length-1; i>=0; --i) { |
| path [i].setExpanded (true); |
| } |
| if (scroll) { |
| /* |
| * Bug in the Macintosh. When there is not room to show a |
| * single item in the data browser, RevealDataBrowserItem() |
| * scrolls the item such that it is above the top of the data |
| * browser. The fix is to remember the index and scroll when |
| * the data browser is resized. |
| * |
| * Bug in the Macintosh. When items are added to the data |
| * browser after is has been hidden, RevealDataBrowserItem() |
| * when called before the controls behind the data browser |
| * are repainted causes a redraw. This redraw happens right |
| * away causing pixel corruption. The fix is to remember the |
| * index and scroll when the data browser is shown. |
| */ |
| Rectangle rect = getClientArea (); |
| if (rect.height < getItemHeight () || !OS.IsControlVisible (handle)) { |
| showItem = item; |
| return; |
| } |
| showItem = null; |
| Rectangle itemRect = item.getBounds (); |
| if (!itemRect.isEmpty()) { |
| if (rect.contains (itemRect.x, itemRect.y) |
| && rect.contains (itemRect.x, itemRect.y + itemRect.height)) return; |
| } |
| int [] top = new int [1], left = new int [1]; |
| OS.GetDataBrowserScrollPosition (handle, top, left); |
| int columnId = (style & SWT.CHECK) != 0 ? CHECK_COLUMN_ID : columnCount == 0 ? column_id : columns [0].id; |
| int options = OS.kDataBrowserRevealWithoutSelecting; |
| /* |
| * This code is intentionally commented, since kDataBrowserRevealAndCenterInView |
| * does not scroll the item to the center always (it seems to scroll to the |
| * end in some cases). |
| */ |
| //options |= OS.kDataBrowserRevealAndCenterInView; |
| OS.RevealDataBrowserItem (handle, item.id, columnId, (byte) options); |
| int [] newTop = new int [1], newLeft = new int [1]; |
| if (columnCount == 0) { |
| boolean fixScroll = false; |
| Rect content = new Rect (); |
| if (OS.GetDataBrowserItemPartBounds (handle, item.id, columnId, OS.kDataBrowserPropertyContentPart, content) == OS.noErr) { |
| fixScroll = content.left < rect.x || content.left >= rect.x + rect.width; |
| if (!fixScroll) { |
| GC gc = new GC (this); |
| int contentWidth = calculateWidth (new int[]{item.id}, gc, false, 0, 0); |
| gc.dispose (); |
| fixScroll = content.left + contentWidth > rect.x + rect.width; |
| } |
| } |
| if (fixScroll) { |
| int leftScroll = getLeftDisclosureInset (columnId); |
| int levelIndent = DISCLOSURE_COLUMN_LEVEL_INDENT; |
| if (OS.VERSION >= 0x1040) { |
| float [] metric = new float [1]; |
| OS.DataBrowserGetMetric (handle, OS.kDataBrowserMetricDisclosureColumnPerDepthGap, null, metric); |
| levelIndent = (int) metric [0]; |
| } |
| TreeItem temp = item; |
| while (temp.parentItem != null) { |
| leftScroll += levelIndent; |
| temp = temp.parentItem; |
| } |
| OS.GetDataBrowserScrollPosition (handle, newTop, newLeft); |
| OS.SetDataBrowserScrollPosition (handle, newTop [0], leftScroll); |
| } |
| } |
| |
| /* |
| * Bug in the Macintosh. For some reason, when the DataBrowser is scrolled |
| * by RevealDataBrowserItem(), the scrollbars are not redrawn. The fix is to |
| * force a redraw. |
| */ |
| OS.GetDataBrowserScrollPosition (handle, newTop, newLeft); |
| if (horizontalBar != null && newLeft [0] != left [0]) horizontalBar.redraw (); |
| if (verticalBar != null && newTop [0] != top [0]) verticalBar.redraw (); |
| } |
| } |
| |
| /** |
| * Shows the selection. If the selection is already showing in the receiver, |
| * this method simply returns. Otherwise, the items are scrolled until |
| * the selection is visible. |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @see Tree#showItem(TreeItem) |
| */ |
| public void showSelection () { |
| checkWidget (); |
| //checkItems (false); |
| //TODO - optimize |
| TreeItem [] selection = getSelection (); |
| if (selection.length > 0) showItem (selection [0], true); |
| } |
| |
| int trackingProc (int browser, int id, int property, int theRect, int startPt, int modifiers) { |
| return 1; |
| } |
| |
| } |
| |