| /******************************************************************************* |
| * Copyright (c) 2000, 2003 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Common Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/cpl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.swt.widgets; |
| |
| |
| 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.Rect; |
| |
| import org.eclipse.swt.*; |
| import org.eclipse.swt.graphics.*; |
| import org.eclipse.swt.events.*; |
| |
| /** |
| * Instances of this class implement a selectable user interface |
| * object that displays a list of images and strings and issue |
| * notificiation when selected. |
| * <p> |
| * The item children that may be added to instances of this class |
| * must be of type <code>TableItem</code>. |
| * </p><p> |
| * Note that although this class is a subclass of <code>Composite</code>, |
| * it does not make sense to add <code>Control</code> children to it, |
| * or set a layout on it. |
| * </p><p> |
| * <dl> |
| * <dt><b>Styles:</b></dt> |
| * <dd>SINGLE, MULTI, CHECK, FULL_SELECTION, HIDE_SELECTION</dd> |
| * <dt><b>Events:</b></dt> |
| * <dd>Selection, DefaultSelection</dd> |
| * </dl> |
| * <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> |
| */ |
| public class Table extends Composite { |
| TableItem [] items; |
| int lastIndexOf; |
| TableColumn [] columns; |
| GC paintGC; |
| int itemCount, columnCount, column_id, idCount, anchorFirst, anchorLast, headerHeight; |
| boolean ignoreRedraw, ignoreSelect, wasSelected; |
| int showIndex, lastHittest; |
| static final int CHECK_COLUMN_ID = 1024; |
| static final int EXTRA_WIDTH = 24; |
| static final int CHECK_COLUMN_WIDTH = 25; |
| |
| /** |
| * 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#HIDE_SELECTION |
| * @see Widget#checkSubclass |
| * @see Widget#getStyle |
| */ |
| public Table (Composite parent, int style) { |
| super (parent, checkStyle (style)); |
| } |
| |
| /** |
| * Adds the listener to the collection of listeners who will |
| * be notified when the receiver's selection changes, 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 reciever has <code>SWT.CHECK</code> style set 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 |
| * |
| * @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); |
| } |
| |
| TableItem _getItem (int index) { |
| if (items [index] != null) return items [index]; |
| return items [index] = new TableItem (this, SWT.NULL, -1, false); |
| } |
| |
| static int checkStyle (int style) { |
| /* |
| * Feature in Windows. It is not possible to create |
| * a table that does not have scroll bars. Therefore, |
| * no matter what style bits are specified, set the |
| * H_SCROLL and V_SCROLL bits so that the SWT style |
| * will match the widget that Windows creates. |
| */ |
| style |= SWT.H_SCROLL | SWT.V_SCROLL; |
| return checkBits (style, SWT.SINGLE, SWT.MULTI, 0, 0, 0, 0); |
| } |
| |
| int callPaintEventHandler (int control, int damageRgn, int visibleRgn, int theEvent, int nextHandler) { |
| GC currentGC = paintGC; |
| if (currentGC == null) { |
| GCData data = new GCData (); |
| data.paintEvent = theEvent; |
| data.visibleRgn = visibleRgn; |
| paintGC = GC.carbon_new (this, data); |
| } |
| int result = super.callPaintEventHandler (control, damageRgn, visibleRgn, theEvent, nextHandler); |
| if (currentGC == null) { |
| paintGC.dispose (); |
| paintGC = null; |
| } |
| return result; |
| } |
| |
| void checkItems (boolean setScrollWidth) { |
| int [] count = new int [1]; |
| if (OS.GetDataBrowserItemCount (handle, OS.kDataBrowserNoItem, true, OS.kDataBrowserItemAnyState, count) != OS.noErr) { |
| error (SWT.ERROR_CANNOT_GET_COUNT); |
| } |
| if (itemCount != count [0]) { |
| /* |
| * Feature in the Mac. When AddDataBrowserItems() is used |
| * to add items, item notification callbacks are issued with |
| * the message kDataBrowserItemAdded. When many items are |
| * added, 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; |
| OS.SetDataBrowserCallbacks (handle, callbacks); |
| int delta = itemCount - count [0]; |
| if (delta < 1024) { |
| int [] ids = new int [delta]; |
| for (int i=0; i<ids.length; i++) { |
| ids [i] = count [0] + i + 1; |
| } |
| if (OS.AddDataBrowserItems (handle, OS.kDataBrowserNoItem, ids.length, ids, OS.kDataBrowserItemNoProperty) != OS.noErr) { |
| error (SWT.ERROR_ITEM_NOT_ADDED); |
| } |
| OS.UpdateDataBrowserItems (handle, 0, 0, null, OS.kDataBrowserItemNoProperty, OS.kDataBrowserNoItem); |
| } else { |
| if (OS.AddDataBrowserItems (handle, 0, itemCount, null, OS.kDataBrowserItemNoProperty) != OS.noErr) { |
| error (SWT.ERROR_ITEM_NOT_ADDED); |
| } |
| } |
| callbacks.v1_itemNotificationCallback = display.itemNotificationProc; |
| OS.SetDataBrowserCallbacks (handle, callbacks); |
| } |
| if (setScrollWidth) setScrollWidth (items, true); |
| } |
| |
| protected void checkSubclass () { |
| if (!isValidSubclass ()) error (SWT.ERROR_INVALID_SUBCLASS); |
| } |
| |
| public void clear (int index) { |
| checkWidget(); |
| if (!(0 <= index && index < itemCount)) error (SWT.ERROR_INVALID_RANGE); |
| TableItem item = items [index]; |
| if (item != null) { |
| item.clear (); |
| item.cached = false; |
| if (!ignoreRedraw && drawCount == 0) { |
| int [] id = new int [] {index + 1}; |
| OS.UpdateDataBrowserItems (handle, 0, id.length, id, OS.kDataBrowserItemNoProperty, OS.kDataBrowserNoItem); |
| } |
| setScrollWidth (item); |
| } |
| } |
| |
| public void clear (int start, int end) { |
| checkWidget(); |
| if (start > end) return; |
| if (!(0 <= start && start <= end && end < itemCount)) { |
| error (SWT.ERROR_INVALID_RANGE); |
| } |
| if (start == 0 && end == itemCount - 1) { |
| clearAll (); |
| } else { |
| for (int i=start; i<=end; i++) { |
| clear (i); |
| } |
| } |
| } |
| |
| public void clear (int [] indices) { |
| checkWidget(); |
| if (indices == null) error (SWT.ERROR_NULL_ARGUMENT); |
| if (indices.length == 0) return; |
| for (int i=0; i<indices.length; i++) { |
| if (!(0 <= indices [i] && indices [i] < itemCount)) { |
| error (SWT.ERROR_INVALID_RANGE); |
| } |
| } |
| for (int i=0; i<indices.length; i++) { |
| clear (indices [i]); |
| } |
| } |
| |
| public void clearAll () { |
| checkWidget(); |
| for (int i=0; i<itemCount; i++) { |
| TableItem item = items [i]; |
| if (item != null) { |
| item.clear (); |
| item.cached = false; |
| } |
| } |
| if (!ignoreRedraw && drawCount == 0) { |
| OS.UpdateDataBrowserItems (handle, 0, 0, null, OS.kDataBrowserItemNoProperty, OS.kDataBrowserNoItem); |
| setScrollWidth (items, true); |
| } |
| } |
| |
| public Point computeSize (int wHint, int hHint, boolean changed) { |
| checkWidget(); |
| int width = 0; |
| if (wHint == SWT.DEFAULT) { |
| GC gc = new GC (this); |
| int columnCount = Math.max (this.columnCount, 1); |
| for (int j=0; j<columnCount; j++) { |
| int columnWidth = 0; |
| for (int i=0; i<itemCount; i++) { |
| TableItem item = items [i]; |
| if (item != null) { |
| columnWidth = Math.max (columnWidth, item.calculateWidth (j, gc)); |
| } |
| } |
| width += columnWidth + EXTRA_WIDTH; |
| } |
| gc.dispose (); |
| if ((style & SWT.CHECK) != 0) width += CHECK_COLUMN_WIDTH; |
| } else { |
| width = wHint; |
| } |
| if (width <= 0) width = DEFAULT_WIDTH; |
| int height = 0; |
| if (hHint == SWT.DEFAULT) { |
| height = itemCount * 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 = 0; |
| int [] outMetric = new int [1]; |
| OS.GetThemeMetric (OS.kThemeMetricFocusRectOutset, outMetric); |
| border += outMetric [0]; |
| OS.GetThemeMetric (OS.kThemeMetricEditTextFrameOutset, outMetric); |
| border += outMetric [0]; |
| 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); |
| } |
| |
| void createHandle () { |
| column_id = 1025; |
| int [] outControl = new int [1]; |
| int window = OS.GetControlOwner (parent.handle); |
| OS.CreateDataBrowserControl (window, null, OS.kDataBrowserListView, outControl); |
| if (outControl [0] == 0) error (SWT.ERROR_NO_HANDLES); |
| handle = outControl [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 ((style & SWT.FULL_SELECTION) != 0) { |
| OS.SetDataBrowserTableViewHiliteStyle (handle, OS.kDataBrowserTableViewFillHilite); |
| } |
| 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; |
| //TODO - CHECK column size |
| checkColumn.headerBtnDesc_minimumWidth = CHECK_COLUMN_WIDTH; |
| checkColumn.headerBtnDesc_maximumWidth = CHECK_COLUMN_WIDTH; |
| checkColumn.headerBtnDesc_initialOrder = 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; |
| column.headerBtnDesc_maximumWidth = 0x7fff; |
| column.headerBtnDesc_initialOrder = OS.kDataBrowserOrderIncreasing; |
| OS.AddDataBrowserListViewColumn (handle, column, position); |
| 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. |
| */ |
| 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.k3ARGBPixelFormat, 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); |
| } |
| |
| void createItem (TableColumn column, int index) { |
| if (!(0 <= index && index <= columnCount)) error (SWT.ERROR_INVALID_RANGE); |
| 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.kDataBrowserDefaultPropertyFlags; |
| desc.headerBtnDesc_maximumWidth = 0x7fff; |
| desc.headerBtnDesc_initialOrder = OS.kDataBrowserOrderIncreasing; |
| OS.AddDataBrowserListViewColumn (handle, desc, position); |
| OS.SetDataBrowserTableViewNamedColumnWidth (handle, column.id, (short)0); |
| } |
| if (columnCount == columns.length) { |
| TableColumn [] newColumns = new TableColumn [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<itemCount; i++) { |
| TableItem 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 (TableItem item, int index) { |
| if (!(0 <= index && index <= itemCount)) error (SWT.ERROR_INVALID_RANGE); |
| boolean add = drawCount == 0 || index != itemCount; |
| if (add) { |
| int [] id = new int [] {itemCount + 1}; |
| if (OS.AddDataBrowserItems (handle, OS.kDataBrowserNoItem, 1, id, OS.kDataBrowserItemNoProperty) != OS.noErr) { |
| error (SWT.ERROR_ITEM_NOT_ADDED); |
| } |
| } |
| if (itemCount == items.length) { |
| /* Grow the array faster when redraw is off */ |
| int newLength = drawCount == 0 ? items.length + 4 : items.length * 3 / 2; |
| TableItem [] newItems = new TableItem [newLength]; |
| System.arraycopy (items, 0, newItems, 0, items.length); |
| items = newItems; |
| } |
| System.arraycopy (items, index, items, index + 1, itemCount++ - index); |
| items [index] = item; |
| if (add) OS.UpdateDataBrowserItems (handle, 0, 0, null, OS.kDataBrowserItemNoProperty, OS.kDataBrowserNoItem); |
| } |
| |
| ScrollBar createScrollBar (int style) { |
| return createStandardBar (style); |
| } |
| |
| void createWidget () { |
| super.createWidget (); |
| items = new TableItem [4]; |
| columns = new TableColumn [4]; |
| showIndex = -1; |
| } |
| |
| Color defaultBackground () { |
| return display.getSystemColor (SWT.COLOR_LIST_BACKGROUND); |
| } |
| |
| Color defaultForeground () { |
| return display.getSystemColor (SWT.COLOR_LIST_FOREGROUND); |
| } |
| |
| int defaultThemeFont () { |
| return OS.kThemeViewsFont; |
| } |
| |
| /** |
| * Deselects the item at the given zero-relative index in the receiver. |
| * If the item at the index was already deselected, it remains |
| * deselected. Indices that are out of range are ignored. |
| * |
| * @param index the index of the item to deselect |
| * |
| * @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 deselect (int index) { |
| checkWidget(); |
| if (0 <= index && index < itemCount) { |
| int [] ids = new int [] {index + 1}; |
| deselect (ids, ids.length); |
| } |
| } |
| |
| /** |
| * Deselects the items at the given zero-relative indices in the receiver. |
| * If the item at the given zero-relative index in the receiver |
| * is selected, it is deselected. If the item at the index |
| * was not selected, it remains deselected. The range of the |
| * indices is inclusive. Indices that are out of range are ignored. |
| * |
| * @param start the start index of the items to deselect |
| * @param end the end index of the items to deselect |
| * |
| * @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 deselect (int start, int end) { |
| checkWidget(); |
| //TODO - check range |
| if (start == 0 && end == itemCount - 1) { |
| deselectAll (); |
| } else { |
| int length = end - start + 1; |
| if (length <= 0) return; |
| int [] ids = new int [length]; |
| for (int i=0; i<length; i++) ids [i] = end - i + 1; |
| deselect (ids, length); |
| } |
| } |
| |
| /** |
| * Deselects the items at the given zero-relative indices in the receiver. |
| * If the item at the given zero-relative index in the receiver |
| * is selected, it is deselected. If the item at the index |
| * was not selected, it remains deselected. Indices that are out |
| * of range and duplicate indices are ignored. |
| * |
| * @param indices the array of indices for the items to deselect |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the set of indices 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 void deselect (int [] indices) { |
| checkWidget(); |
| if (indices == null) error (SWT.ERROR_NULL_ARGUMENT); |
| //TODO - check range |
| int length = indices.length; |
| int [] ids = new int [length]; |
| for (int i=0; i<length; i++) ids [i] = indices [length - i - 1] + 1; |
| deselect (ids, length); |
| } |
| |
| void deselect (int [] ids, int count) { |
| ignoreSelect = true; |
| 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.kDataBrowserItemsRemove); |
| if ((style & SWT.SINGLE) != 0) { |
| OS.SetDataBrowserSelectionFlags (handle, selectionFlags [0]); |
| } |
| ignoreSelect = false; |
| } |
| |
| /** |
| * 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 (); |
| deselect (null, 0); |
| } |
| |
| void destroyItem (TableColumn column) { |
| int index = 0; |
| while (index < columnCount) { |
| if (columns [index] == column) break; |
| index++; |
| } |
| if (columnCount >= 1) { |
| for (int i=0; i<itemCount; i++) { |
| TableItem item = items [i]; |
| if (item != null) { |
| String [] strings = item.strings; |
| if (strings != null) { |
| if (columnCount == 1) { |
| item.strings = null; |
| } else { |
| if (index == 0) item.text = 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; |
| } |
| } |
| Image [] images = item.images; |
| if (images != null) { |
| if (columnCount == 1) { |
| item.images = null; |
| } else { |
| 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; |
| } |
| } |
| Color [] cellBackground = item.cellBackground; |
| if (cellBackground != null) { |
| if (columnCount == 1) { |
| item.cellBackground = null; |
| } else { |
| 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; |
| } |
| } |
| Color [] cellForeground = item.cellForeground; |
| if (cellForeground != null) { |
| if (columnCount == 1) { |
| item.cellForeground = null; |
| } else { |
| 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; |
| } |
| } |
| Font [] cellFont = item.cellFont; |
| if (cellFont != null) { |
| if (columnCount == 1) { |
| item.cellFont = null; |
| } else { |
| 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 { |
| 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; |
| } |
| |
| void destroyItem (TableItem item) { |
| checkItems (true); |
| int index = 0; |
| while (index < itemCount) { |
| if (items [index] == item) break; |
| index++; |
| } |
| int [] id = new int [] {itemCount}; |
| if (OS.RemoveDataBrowserItems (handle, OS.kDataBrowserNoItem, id.length, id, 0) != OS.noErr) { |
| error (SWT.ERROR_ITEM_NOT_REMOVED); |
| } |
| System.arraycopy (items, index + 1, items, index, --itemCount - index); |
| items [itemCount] = null; |
| OS.UpdateDataBrowserItems (handle, 0, 0, null, OS.kDataBrowserItemNoProperty, OS.kDataBrowserNoItem); |
| } |
| |
| int drawItemProc (int browser, int id, int property, int itemState, int theRect, int gdDepth, int colorDevice) { |
| int index = id - 1; |
| if (!(0 <= index && index < itemCount)) 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; |
| } |
| lastIndexOf = index; |
| TableItem item = _getItem (index); |
| if (!item.cached) { |
| if ((style & SWT.VIRTUAL) != 0) { |
| Event event = new Event (); |
| event.item = item; |
| ignoreRedraw = true; |
| sendEvent (SWT.SetData, event); |
| //widget could be disposed at this point |
| if (isDisposed ()) return OS.noErr; |
| ignoreRedraw = false; |
| if (setScrollWidth (item)) { |
| Rect rect = new Rect(); |
| if (OS.GetDataBrowserItemPartBounds (handle, id, property, OS.kDataBrowserPropertyEnclosingPart, rect) == OS.noErr) { |
| redrawWidget (handle, rect.left, rect.top, rect.right, rect.bottom, false); |
| } |
| return OS.noErr; |
| } |
| } |
| item.cached = true; |
| } |
| Rect rect = new Rect (); |
| OS.memcpy (rect, theRect, Rect.sizeof); |
| int x = rect.left; |
| int y = rect.top; |
| int height = rect.bottom - rect.top; |
| boolean selected = (itemState & OS.kDataBrowserItemIsSelected) != 0; |
| Rect controlRect = new Rect (); |
| OS.GetControlBounds (handle, controlRect); |
| x -= controlRect.left; |
| y -= controlRect.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); |
| } |
| int clip = OS.NewRgn (); |
| OS.GetClip (clip); |
| OS.OffsetRgn (clip, (short)-controlRect.left, (short)-controlRect.top); |
| gc.setClipping (Region.carbon_new (display, clip)); |
| Rect itemRect = new Rect(); |
| OS.GetDataBrowserItemPartBounds (handle, id, property, OS.kDataBrowserPropertyEnclosingPart, itemRect); |
| OS.OffsetRect (itemRect, (short) -controlRect.left, (short) -controlRect.top); |
| if (selected && (style & SWT.FULL_SELECTION) != 0) { |
| gc.setBackground (display.getSystemColor (SWT.COLOR_LIST_SELECTION)); |
| gc.fillRectangle(itemRect.left, itemRect.top, itemRect.right - itemRect.left, itemRect.bottom - itemRect.top); |
| } else { |
| gc.setBackground (item.getBackground (columnIndex)); |
| gc.fillRectangle (itemRect.left, itemRect.top, itemRect.right - itemRect.left, itemRect.bottom - itemRect.top); |
| } |
| int rectRgn = OS.NewRgn (); |
| OS.RectRgn (rectRgn, rect); |
| OS.OffsetRgn (rectRgn, (short)-controlRect.left, (short)-controlRect.top); |
| OS.SectRgn (rectRgn, clip, clip); |
| OS.DisposeRgn (rectRgn); |
| gc.setClipping (Region.carbon_new (display, clip)); |
| OS.DisposeRgn (clip); |
| Image image = item.getImage (columnIndex); |
| if (image != null) { |
| Rectangle bounds = image.getBounds (); |
| gc.drawImage (image, 0, 0, bounds.width, bounds.height, x, y + (height - bounds.height) / 2, bounds.width, bounds.height); |
| x += bounds.width + 2; |
| } |
| String text = item.getText (columnIndex); |
| Font font = item.getFont (columnIndex); |
| gc.setFont (font); |
| Point extent = gc.stringExtent (text); |
| if (selected) { |
| gc.setForeground (display.getSystemColor (SWT.COLOR_LIST_SELECTION_TEXT)); |
| if (columnIndex == 0 && (style & SWT.FULL_SELECTION) == 0) { |
| gc.setBackground (display.getSystemColor (SWT.COLOR_LIST_SELECTION)); |
| gc.fillRectangle (x - 1, y, extent.x + 2, height); |
| } |
| } else { |
| Color foreground = item.getForeground (columnIndex); |
| gc.setForeground (foreground); |
| } |
| gc.drawString (text, x, y + (height - extent.y) / 2); |
| if (gc != paintGC) gc.dispose (); |
| return OS.noErr; |
| } |
| |
| public Rectangle getClientArea () { |
| checkWidget(); |
| int border = 0; |
| int [] outMetric = new int [1]; |
| OS.GetThemeMetric (OS.kThemeMetricFocusRectOutset, outMetric); |
| border += outMetric [0]; |
| OS.GetThemeMetric (OS.kThemeMetricEditTextFrameOutset, outMetric); |
| border += outMetric [0]; |
| 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, inset.top, width, height); |
| } |
| |
| /** |
| * Returns the column at the given, zero-relative index in the |
| * receiver. Throws an exception if the index is out of range. |
| * If no <code>TableColumn</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 table. |
| * This occurs when the programmer uses the table 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> |
| */ |
| public TableColumn 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>TableColumn</code>s were created by the programmer, |
| * this value is zero, despite the fact that visually, one column |
| * of items is may be visible. This occurs when the programmer uses |
| * the table 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> |
| * @exception SWTError <ul> |
| * <li>ERROR_CANNOT_GET_COUNT - if the operation fails because of an operating system failure</li> |
| * </ul> |
| */ |
| public int getColumnCount () { |
| checkWidget (); |
| return columnCount; |
| } |
| |
| /** |
| * Returns an array of <code>TableColumn</code>s which are the |
| * columns in the receiver. If no <code>TableColumn</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 table 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> |
| */ |
| public TableColumn [] getColumns () { |
| checkWidget (); |
| TableColumn [] result = new TableColumn [columnCount]; |
| System.arraycopy (columns, 0, result, 0, columnCount); |
| return result; |
| } |
| |
| /** |
| * Returns the width in pixels of a grid line. |
| * |
| * @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 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 2.0 |
| */ |
| 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> |
| */ |
| public boolean getHeaderVisible () { |
| checkWidget (); |
| short [] height = new short [1]; |
| OS.GetDataBrowserListViewHeaderBtnHeight (handle, height); |
| return height [0] != 0; |
| } |
| |
| /** |
| * 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> |
| */ |
| public TableItem getItem (int index) { |
| checkWidget (); |
| if (!(0 <= index && index < itemCount)) error (SWT.ERROR_INVALID_RANGE); |
| return _getItem (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. |
| * |
| * @param point the point used to locate the item |
| * @return the item at the given point |
| * |
| * @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 TableItem getItem (Point point) { |
| checkWidget (); |
| checkItems (true); |
| if (point == null) error (SWT.ERROR_NULL_ARGUMENT); |
| Rect rect = new Rect (); |
| OS.GetControlBounds (handle, rect); |
| org.eclipse.swt.internal.carbon.Point pt = new org.eclipse.swt.internal.carbon.Point (); |
| OS.SetPt (pt, (short) (point.x + rect.left), (short) (point.y + rect.top)); |
| //TODO - optimize |
| int columnId = (columnCount == 0) ? column_id : columns [0].id; |
| for (int i=0; i<itemCount; i++) { |
| if (OS.GetDataBrowserItemPartBounds (handle, i + 1, columnId, OS.kDataBrowserPropertyEnclosingPart, rect) == OS.noErr) { |
| if ((style & SWT.FULL_SELECTION) != 0) { |
| if (rect.top <= pt.v && pt.v < rect.bottom) return _getItem (i); |
| } else { |
| if (OS.PtInRect (pt, rect)) return _getItem (i); |
| } |
| } |
| } |
| return null; |
| } |
| |
| /** |
| * Returns the number of items contained in the receiver. |
| * |
| * @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 itemCount; |
| } |
| |
| /** |
| * Returns the height of the area which would be used to |
| * display <em>one</em> of the items in the receiver's. |
| * |
| * @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 an array of <code>TableItem</code>s which are the items |
| * in the receiver. |
| * <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> |
| */ |
| public TableItem [] getItems () { |
| checkWidget (); |
| TableItem [] result = new TableItem [itemCount]; |
| if ((style & SWT.VIRTUAL) != 0) { |
| for (int i=0; i<itemCount; i++) { |
| result [i] = _getItem (i); |
| } |
| } else { |
| System.arraycopy (items, 0, result, 0, itemCount); |
| } |
| return result; |
| } |
| |
| /** |
| * Returns <code>true</code> if the receiver's lines are 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 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> |
| */ |
| public boolean getLinesVisible () { |
| checkWidget (); |
| return false; |
| } |
| |
| /** |
| * Returns an array of <code>TableItem</code>s that are currently |
| * selected in the receiver. 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 TableItem [] getSelection () { |
| checkWidget (); |
| int ptr = OS.NewHandle (0); |
| if (OS.GetDataBrowserItems (handle, OS.kDataBrowserNoItem, true, OS.kDataBrowserItemIsSelected, ptr) != OS.noErr) { |
| error (SWT.ERROR_CANNOT_GET_SELECTION); |
| } |
| int count = OS.GetHandleSize (ptr) / 4; |
| TableItem [] result = new TableItem [count]; |
| OS.HLock (ptr); |
| int [] start = new int [1]; |
| OS.memcpy (start, ptr, 4); |
| int [] id = new int [1]; |
| for (int i=0; i<count; i++) { |
| OS.memcpy (id, start [0] + (i * 4), 4); |
| result [i] = _getItem (id [0] - 1); |
| } |
| OS.HUnlock (ptr); |
| OS.DisposeHandle (ptr); |
| return result; |
| } |
| |
| /** |
| * 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 zero-relative index of the item which is currently |
| * selected in the receiver, or -1 if no item is selected. |
| * |
| * @return the index of the selected 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 getSelectionIndex () { |
| checkWidget(); |
| int [] first = new int [1], last = new int [1]; |
| if (OS.GetDataBrowserSelectionAnchor (handle, first, last) != OS.noErr) return -1; |
| return first [0] - 1; |
| } |
| |
| /** |
| * Returns the zero-relative indices of the items which are currently |
| * selected in the receiver. The array is empty if 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 the array of indices of the 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 [] getSelectionIndices () { |
| checkWidget (); |
| int ptr = OS.NewHandle (0); |
| if (OS.GetDataBrowserItems (handle, OS.kDataBrowserNoItem, true, OS.kDataBrowserItemIsSelected, ptr) != OS.noErr) { |
| error (SWT.ERROR_CANNOT_GET_SELECTION); |
| } |
| int count = OS.GetHandleSize (ptr) / 4; |
| int [] result = new int [count]; |
| OS.HLock (ptr); |
| int [] start = new int [1]; |
| OS.memcpy (start, ptr, 4); |
| int [] id = new int [1]; |
| for (int i=0; i<count; i++) { |
| OS.memcpy (id, start [0] + (i * 4), 4); |
| result [i] = id [0] - 1; |
| } |
| OS.HUnlock (ptr); |
| OS.DisposeHandle (ptr); |
| return result; |
| } |
| |
| /** |
| * Returns the zero-relative index of the item which is currently |
| * at the top of the receiver. This index can change when items are |
| * scrolled or new items are added or removed. |
| * |
| * @return the index of the top 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 getTopIndex () { |
| checkWidget(); |
| int[] top = new int [1], left = new int [1]; |
| OS.GetDataBrowserScrollPosition (handle, top, left); |
| return top [0] / getItemHeight (); |
| } |
| |
| int hitTestProc (int browser, int id, int property, int theRect, int mouseRect) { |
| lastHittest = id; |
| 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; |
| 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 string 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 int indexOf (TableColumn column) { |
| checkWidget (); |
| if (column == null) error (SWT.ERROR_NULL_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 string 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 int indexOf (TableItem item) { |
| checkWidget (); |
| if (item == null) error (SWT.ERROR_NULL_ARGUMENT); |
| if (1 <= lastIndexOf && lastIndexOf < itemCount - 1) { |
| if (items [lastIndexOf] == item) return lastIndexOf; |
| if (items [lastIndexOf + 1] == item) return ++lastIndexOf; |
| if (items [lastIndexOf - 1] == item) return --lastIndexOf; |
| } |
| if (lastIndexOf < itemCount / 2) { |
| for (int i=0; i<itemCount; i++) { |
| if (items [i] == item) return lastIndexOf = i; |
| } |
| } else { |
| for (int i=itemCount - 1; i>=0; --i) { |
| if (items [i] == item) return lastIndexOf = i; |
| } |
| } |
| return -1; |
| } |
| |
| /** |
| * Returns <code>true</code> if the item is selected, |
| * and <code>false</code> otherwise. Indices out of |
| * range are ignored. |
| * |
| * @param index the index of the item |
| * @return the visibility state of the item at the index |
| * |
| * @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 boolean isSelected (int index) { |
| checkWidget(); |
| return OS.IsDataBrowserItemSelected (handle, index + 1); |
| } |
| |
| int itemDataProc (int browser, int id, int property, int itemData, int setValue) { |
| int row = id - 1; |
| if (!(0 <= row && row < items.length)) return OS.noErr; |
| switch (property) { |
| case CHECK_COLUMN_ID: { |
| TableItem item = _getItem (row); |
| if (setValue != 0) { |
| // short [] theData = new short [1]; |
| // OS.GetDataBrowserItemDataButtonValue (itemData, theData); |
| // item.checked = theData [0] == OS.kThemeButtonOn; |
| 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; |
| postEvent (SWT.Selection, event); |
| } else { |
| // short theData = (short)(item.checked ? OS.kThemeButtonOn : OS.kThemeButtonOff); |
| // OS.SetDataBrowserItemDataButtonValue (itemData, theData); |
| int theData = OS.kThemeButtonOff; |
| if (item.checked) theData = item.grayed ? OS.kThemeButtonMixed : OS.kThemeButtonOn; |
| OS.SetDataBrowserItemDataButtonValue (itemData, (short) theData); |
| } |
| break; |
| } |
| } |
| return OS.noErr; |
| } |
| |
| int itemNotificationProc (int browser, int id, int message) { |
| int index = id - 1; |
| if (!(0 <= index && index < items.length)) return OS.noErr; |
| switch (message) { |
| case OS.kDataBrowserItemSelected: |
| case OS.kDataBrowserItemDeselected: { |
| TableItem item = _getItem (index); |
| wasSelected = true; |
| if (ignoreSelect) break; |
| 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]; |
| } |
| } |
| } else { |
| selected = message == OS.kDataBrowserItemSelected; |
| } |
| if (selected) { |
| anchorFirst = first [0]; |
| anchorLast = last [0]; |
| Event event = new Event (); |
| event.item = item; |
| postEvent (SWT.Selection, event); |
| } |
| break; |
| } |
| case OS.kDataBrowserItemDoubleClicked: { |
| TableItem item = _getItem (index); |
| wasSelected = true; |
| Event event = new Event (); |
| event.item = item; |
| postEvent (SWT.DefaultSelection, event); |
| break; |
| } |
| } |
| return OS.noErr; |
| } |
| |
| int kEventMouseDown (int nextHandler, int theEvent, int userData) { |
| int result = super.kEventMouseDown (nextHandler, theEvent, userData); |
| if (result == OS.noErr) return result; |
| Shell shell = getShell (); |
| shell.bringToTop (true); |
| /* |
| * Feature in the Macintosh. For some reason, when the user |
| * clicks on the data browser, focus is assigned, then lost |
| * and then reassigned causing kEvenControlSetFocusPart events. |
| * The fix is to ignore kEvenControlSetFocusPart when the user |
| * clicks and send the focus events from kEventMouseDown. |
| */ |
| Control oldFocus = display.getFocusControl (); |
| display.ignoreFocus = true; |
| wasSelected = false; |
| result = OS.CallNextEventHandler (nextHandler, theEvent); |
| display.ignoreFocus = false; |
| if (oldFocus != this) { |
| if (oldFocus != null && !oldFocus.isDisposed ()) oldFocus.sendFocusEvent (false, false); |
| if (!isDisposed () && isEnabled ()) sendFocusEvent (true, false); |
| } |
| if (!wasSelected) { |
| if (OS.IsDataBrowserItemSelected (handle, lastHittest)) { |
| int index = lastHittest - 1; |
| if (0 <= index && index < itemCount) { |
| Event event = new Event (); |
| event.item = _getItem (index); |
| postEvent (SWT.Selection, event); |
| } |
| } |
| } |
| return result; |
| } |
| |
| int kEventTextInputUnicodeForKeyEvent (int nextHandler, int theEvent, int userData) { |
| int result = super.kEventTextInputUnicodeForKeyEvent (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 36: { /* Return */ |
| postEvent (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 do the arrow traversal in Java and not call the |
| * default handler. |
| */ |
| case 125: { /* Down */ |
| int index = getSelectionIndex (); |
| setSelection (Math.min (itemCount - 1, index + 1), true); |
| return OS.noErr; |
| } |
| case 126: { /* Up*/ |
| int index = getSelectionIndex (); |
| setSelection (Math.max (0, index - 1), true); |
| return OS.noErr; |
| } |
| } |
| return result; |
| } |
| |
| void releaseWidget () { |
| for (int i=0; i<columnCount; i++) { |
| TableColumn column = columns [i]; |
| if (!column.isDisposed ()) column.releaseResources (); |
| } |
| columns = null; |
| for (int i=0; i<itemCount; i++) { |
| TableItem item = items [i]; |
| if (item != null && !item.isDisposed ()) item.releaseResources (); |
| } |
| items = null; |
| super.releaseWidget (); |
| } |
| |
| /** |
| * Removes the item from the receiver at the given |
| * zero-relative index. |
| * |
| * @param index the index for the item |
| * |
| * @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> |
| * @exception SWTError <ul> |
| * <li>ERROR_ITEM_NOT_REMOVED - if the operation fails because of an operating system failure</li> |
| * </ul> |
| */ |
| public void remove (int index) { |
| checkWidget(); |
| checkItems (true); |
| if (!(0 <= index && index < itemCount)) error (SWT.ERROR_INVALID_RANGE); |
| int [] id = new int [] {itemCount}; |
| if (OS.RemoveDataBrowserItems (handle, OS.kDataBrowserNoItem, id.length, id, 0) != OS.noErr) { |
| error (SWT.ERROR_ITEM_NOT_REMOVED); |
| } |
| TableItem item = items [index]; |
| System.arraycopy (items, index + 1, items, index, --itemCount - index); |
| items [itemCount] = null; |
| if (item != null) item.releaseResources (); |
| OS.UpdateDataBrowserItems (handle, 0, 0, null, OS.kDataBrowserItemNoProperty, OS.kDataBrowserNoItem); |
| } |
| |
| /** |
| * Removes the items from the receiver which are |
| * between the given zero-relative start and end |
| * indices (inclusive). |
| * |
| * @param start the start of the range |
| * @param end the end of the range |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_INVALID_RANGE - if either the start or end are 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> |
| * @exception SWTError <ul> |
| * <li>ERROR_ITEM_NOT_REMOVED - if the operation fails because of an operating system failure</li> |
| * </ul> |
| */ |
| public void remove (int start, int end) { |
| checkWidget(); |
| if (start > end) return; |
| if (!(0 <= start && start <= end && end < itemCount)) { |
| error (SWT.ERROR_INVALID_RANGE); |
| } |
| if (start == 0 && end == itemCount - 1) { |
| removeAll (); |
| } else { |
| int length = end - start + 1; |
| for (int i=0; i<length; i++) remove (start); |
| } |
| } |
| |
| /** |
| * Removes the items from the receiver's list at the given |
| * zero-relative indices. |
| * |
| * @param indices the array of indices of the items |
| * |
| * @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> |
| * <li>ERROR_NULL_ARGUMENT - if the indices array 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> |
| * @exception SWTError <ul> |
| * <li>ERROR_ITEM_NOT_REMOVED - if the operation fails because of an operating system failure</li> |
| * </ul> |
| */ |
| public void remove (int [] indices) { |
| checkWidget (); |
| if (indices == null) error (SWT.ERROR_NULL_ARGUMENT); |
| if (indices.length == 0) return; |
| int [] newIndices = new int [indices.length]; |
| System.arraycopy (indices, 0, newIndices, 0, indices.length); |
| sort (newIndices); |
| int start = newIndices [newIndices.length - 1], end = newIndices [0]; |
| if (!(0 <= start && start <= end && end < itemCount)) { |
| error (SWT.ERROR_INVALID_RANGE); |
| } |
| int last = -1; |
| for (int i=0; i<newIndices.length; i++) { |
| int index = newIndices [i]; |
| if (index != last) { |
| remove (index); |
| last = index; |
| } |
| } |
| } |
| |
| /** |
| * Removes all of the items from the receiver. |
| * <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 removeAll () { |
| checkWidget(); |
| /* |
| * 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; |
| OS.SetDataBrowserCallbacks (handle, callbacks); |
| OS.RemoveDataBrowserItems (handle, OS.kDataBrowserNoItem, 0, null, 0); |
| callbacks.v1_itemNotificationCallback = display.itemNotificationProc; |
| OS.SetDataBrowserCallbacks (handle, callbacks); |
| OS.SetDataBrowserScrollPosition (handle, 0, 0); |
| for (int i=0; i<itemCount; i++) { |
| TableItem item = items [i]; |
| if (item != null && !item.isDisposed ()) item.releaseResources (); |
| } |
| items = new TableItem [4]; |
| itemCount = anchorFirst = anchorLast = 0; |
| } |
| |
| /** |
| * Removes the listener from the collection of listeners who will |
| * be notified when the receiver's selection changes. |
| * |
| * @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); |
| if (eventTable == null) return; |
| eventTable.unhook (SWT.Selection, listener); |
| eventTable.unhook (SWT.DefaultSelection,listener); |
| } |
| |
| void resetVisibleRegion (int control) { |
| super.resetVisibleRegion (control); |
| if (showIndex != -1) { |
| showIndex (showIndex); |
| } |
| } |
| |
| /** |
| * Selects the item at the given zero-relative index in the receiver. |
| * If the item at the index was already selected, it remains |
| * selected. Indices that are out of range are ignored. |
| * |
| * @param index the index of the item to select |
| * |
| * @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 select (int index) { |
| checkWidget(); |
| checkItems (false); |
| if (0 <= index && index < itemCount) { |
| int [] ids = new int [] {index + 1}; |
| select (ids, ids.length, false); |
| } |
| } |
| |
| /** |
| * Selects the items at the given zero-relative indices in the receiver. |
| * If the item at the index was already selected, it remains |
| * selected. The range of the indices is inclusive. Indices that are |
| * out of range are ignored and no items will be selected if start is |
| * greater than end. |
| * |
| * @param start the start of the range |
| * @param end the end of the range |
| * |
| * @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 select (int start, int end) { |
| checkWidget (); |
| checkItems (false); |
| if (end < 0 || start > end || ((style & SWT.SINGLE) != 0 && start != end)) return; |
| if (itemCount == 0 || start >= itemCount) return; |
| if (start == 0 && end == itemCount - 1) { |
| selectAll (); |
| } else { |
| start = Math.max (0, start); |
| end = Math.min (end, itemCount - 1); |
| int length = end - start + 1; |
| int [] ids = new int [length]; |
| for (int i=0; i<length; i++) ids [i] = end - i + 1; |
| select (ids, length, false); |
| } |
| } |
| |
| /** |
| * Selects the items at the given zero-relative indices in the receiver. |
| * If the item at the given zero-relative index in the receiver |
| * is not selected, it is selected. If the item at the index |
| * was selected, it remains selected. Indices that are out |
| * of range and duplicate indices are ignored. |
| * |
| * @param indices the array of indices for the items to select |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the array of indices 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 void select (int [] indices) { |
| checkWidget (); |
| checkItems (false); |
| if (indices == null) error (SWT.ERROR_NULL_ARGUMENT); |
| int length = indices.length; |
| if (length == 0 || ((style & SWT.SINGLE) != 0 && length > 1)) return; |
| int [] ids = new int [length]; |
| int count = 0; |
| for (int i=0; i<length; i++) { |
| int index = indices [length - i - 1]; |
| if (index >= 0 && index < itemCount) { |
| ids [count++] = index + 1; |
| } |
| } |
| if (count > 0) select (ids, count, false); |
| } |
| |
| void select (int [] ids, int count, boolean clear) { |
| 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); |
| } |
| int operation = OS.kDataBrowserItemsAssign; |
| if ((style & SWT.MULTI) != 0 && !clear) operation = OS.kDataBrowserItemsAdd; |
| OS.SetDataBrowserSelectedItems (handle, count, ids, operation); |
| if ((style & SWT.SINGLE) != 0) { |
| OS.SetDataBrowserSelectionFlags (handle, selectionFlags [0]); |
| } |
| ignoreSelect = false; |
| } |
| |
| /** |
| * Selects all 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> |
| */ |
| public void selectAll () { |
| checkWidget (); |
| checkItems (false); |
| if ((style & SWT.SINGLE) != 0) return; |
| select (null, 0, false); |
| } |
| |
| int setBounds (int control, int x, int y, int width, int height, boolean move, boolean resize, boolean events) { |
| /* |
| * Ensure that the top item is visible when the tree is resized |
| * from a zero size to a size that can show the selection. |
| */ |
| int result = super.setBounds (control, x, y, width, height, move, resize, events); |
| if (showIndex != -1) { |
| showIndex (showIndex); |
| } |
| return result; |
| } |
| |
| void setFontStyle (Font font) { |
| super.setFontStyle (font); |
| for (int i = 0; i < items.length; i++) { |
| TableItem item = items [i]; |
| if (item != null) item.width = -1; |
| } |
| setScrollWidth (items, 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 visible 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> |
| */ |
| public void setHeaderVisible (boolean show) { |
| checkWidget (); |
| int height = show ? headerHeight : 0; |
| OS.SetDataBrowserListViewHeaderBtnHeight (handle, (short)height); |
| } |
| |
| public void setItemCount (int count) { |
| checkWidget (); |
| checkItems (true); |
| count = Math.max (0, count); |
| 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; |
| OS.SetDataBrowserCallbacks (handle, callbacks); |
| if (count < itemCount) { |
| int index = count; |
| while (index < itemCount) { |
| int [] id = new int [] {index + 1}; |
| if (OS.RemoveDataBrowserItems (handle, OS.kDataBrowserNoItem, id.length, id, 0) != OS.noErr) { |
| break; |
| } |
| TableItem item = items [index]; |
| if (item != null) item.releaseResources (); |
| index++; |
| } |
| if (index < itemCount) error (SWT.ERROR_ITEM_NOT_REMOVED); |
| } |
| TableItem [] newItems = new TableItem [(count + 3) / 4 * 4]; |
| System.arraycopy (items, 0, newItems, 0, Math.min (count, itemCount)); |
| items = newItems; |
| if ((style & SWT.VIRTUAL) == 0) { |
| for (int i=count; i<itemCount; i++) { |
| items [i] = new TableItem (this, SWT.NONE, i, false); |
| } |
| } |
| itemCount = count; |
| OS.AddDataBrowserItems (handle, 0, itemCount, null, OS.kDataBrowserItemNoProperty); |
| callbacks.v1_itemNotificationCallback = display.itemNotificationProc; |
| OS.SetDataBrowserCallbacks (handle, callbacks); |
| setRedraw (true); |
| } |
| |
| /** |
| * Marks the receiver's lines 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 visible 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> |
| */ |
| public void setLinesVisible (boolean show) { |
| checkWidget (); |
| } |
| |
| public void setRedraw (boolean redraw) { |
| checkWidget(); |
| super.setRedraw (redraw); |
| if (redraw && drawCount == 0) { |
| /* Resize the item array to match the item count */ |
| if (items.length > 4 && items.length - itemCount > 3) { |
| TableItem [] newItems = new TableItem [(itemCount + 3) / 4 * 4]; |
| System.arraycopy (items, 0, newItems, 0, itemCount); |
| items = newItems; |
| } |
| checkItems (true); |
| } |
| } |
| |
| boolean setScrollWidth (TableItem [] items, boolean set) { |
| if (ignoreRedraw || drawCount != 0) return false; |
| if (columnCount != 0) return false; |
| GC gc = new GC (this); |
| int newWidth = 0; |
| for (int i = 0; i < items.length; i++) { |
| TableItem item = items [i]; |
| if (item != null) { |
| newWidth = Math.max (newWidth, item.calculateWidth (0, gc)); |
| } |
| } |
| gc.dispose (); |
| newWidth += EXTRA_WIDTH; |
| 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; |
| } |
| |
| boolean setScrollWidth (TableItem item) { |
| if (ignoreRedraw || drawCount != 0) return false; |
| if (columnCount != 0) return false; |
| GC gc = new GC (this); |
| int newWidth = item.calculateWidth (0, gc); |
| gc.dispose (); |
| newWidth += EXTRA_WIDTH; |
| 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; |
| } |
| |
| /** |
| * Selects the item at the given zero-relative index in the receiver. |
| * The current selected is first cleared, then the new item is selected. |
| * |
| * @param index the index of the item to select |
| * |
| * @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 Table#deselectAll() |
| * @see Table#select(int) |
| */ |
| public void setSelection (int index) { |
| checkWidget(); |
| checkItems (false); |
| setSelection (index, false); |
| } |
| |
| void setSelection (int index, boolean notify) { |
| // checkWidget(); |
| if (0 <= index && index < itemCount) { |
| int [] ids = new int [] {index + 1}; |
| select (ids, ids.length, true); |
| showIndex (index); |
| if (notify) { |
| Event event = new Event (); |
| event.item = _getItem (index); |
| postEvent (SWT.Selection, event); |
| } |
| } |
| } |
| |
| /** |
| * Selects the items at the given zero-relative indices in the receiver. |
| * The current selection is first cleared, then the new items are selected. |
| * Indices that are out of range are ignored and no items will be selected |
| * if start is greater than end. |
| * |
| * @param start the start index of the items to select |
| * @param end the end index of the items to select |
| * |
| * @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 Table#deselectAll() |
| * @see Table#select(int,int) |
| */ |
| public void setSelection (int start, int end) { |
| checkWidget (); |
| checkItems (false); |
| deselectAll (); |
| if (end < 0 || start > end || ((style & SWT.SINGLE) != 0 && start != end)) return; |
| if (itemCount == 0 || start >= itemCount) return; |
| start = Math.max (0, start); |
| end = Math.min (end, itemCount - 1); |
| int length = end - start + 1; |
| int [] ids = new int [length]; |
| for (int i=0; i<length; i++) ids [i] = end - i + 1; |
| select (ids, length, true); |
| showIndex (ids [0] - 1); |
| } |
| |
| /** |
| * Selects the items at the given zero-relative indices in the receiver. |
| * The current selected is first cleared, then the new items are selected. |
| * |
| * @param indices the indices of the items to select |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the array of indices 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 Table#deselectAll() |
| * @see Table#select(int[]) |
| */ |
| public void setSelection (int [] indices) { |
| checkWidget (); |
| checkItems (false); |
| if (indices == null) error (SWT.ERROR_NULL_ARGUMENT); |
| deselectAll (); |
| int length = indices.length; |
| if (length == 0 || ((style & SWT.SINGLE) != 0 && length > 1)) return; |
| int [] ids = new int [length]; |
| int count = 0; |
| for (int i=0; i<length; i++) { |
| int index = indices [length - i - 1]; |
| if (index >= 0 && index < itemCount) { |
| ids [count++] = index + 1; |
| } |
| } |
| if (count > 0) { |
| select (ids, count, true); |
| showIndex (ids [0] - 1); |
| } |
| } |
| |
| /** |
| * Sets the receiver's selection to be the given array of items. |
| * The current selected is first cleared, then the new items are |
| * selected. |
| * |
| * @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 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 Table#deselectAll() |
| * @see Table#select(int) |
| */ |
| public void setSelection (TableItem [] items) { |
| checkWidget (); |
| checkItems (false); |
| if (items == null) error (SWT.ERROR_NULL_ARGUMENT); |
| deselectAll (); |
| int length = items.length; |
| if (length == 0 || ((style & SWT.SINGLE) != 0 && length > 1)) return; |
| int [] ids = new int [length]; |
| int count = 0; |
| for (int i=0; i<length; i++) { |
| int index = indexOf (items [length - i - 1]); |
| if (index != -1) { |
| ids [count++] = index + 1; |
| } |
| } |
| if (count > 0) { |
| select (ids, count, true); |
| showIndex (ids [0] - 1); |
| } |
| } |
| |
| /** |
| * Sets the zero-relative index of the item which is currently |
| * at the top of the receiver. This index can change when items |
| * are scrolled or new items are added and removed. |
| * |
| * @param index the index of the top 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 void setTopIndex (int index) { |
| checkWidget(); |
| checkItems (false); |
| int [] top = new int [1], left = new int [1]; |
| OS.GetDataBrowserScrollPosition (handle, top, left); |
| top [0] = index * getItemHeight (); |
| OS.SetDataBrowserScrollPosition (handle, top [0], left [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 3.0 |
| */ |
| public void showColumn (TableColumn 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]); |
| } |
| } |
| } |
| |
| void showIndex (int index) { |
| if (0 <= index && index < itemCount) { |
| /* |
| * 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)) { |
| showIndex = index; |
| return; |
| } |
| showIndex = -1; |
| TableItem item = _getItem (index); |
| Rectangle itemRect = item.getBounds (0); |
| 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); |
| OS.RevealDataBrowserItem (handle, index + 1, OS.kDataBrowserNoItem, (byte) OS.kDataBrowserRevealWithoutSelecting); |
| |
| /* |
| * 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. |
| */ |
| int [] newTop = new int [1], newLeft = new int [1]; |
| 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 item. If the item is already showing in the receiver, |
| * this method simply returns. Otherwise, the items are scrolled 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 Table#showSelection() |
| */ |
| public void showItem (TableItem item) { |
| checkWidget (); |
| checkItems (false); |
| if (item == null) error (SWT.ERROR_NULL_ARGUMENT); |
| if (item.isDisposed()) error(SWT.ERROR_INVALID_ARGUMENT); |
| int index = indexOf (item); |
| if (index != -1) showIndex (index); |
| } |
| |
| /** |
| * 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 Table#showItem(TableItem) |
| */ |
| public void showSelection () { |
| checkWidget(); |
| checkItems (false); |
| int index = getSelectionIndex (); |
| if (index >= 0) showIndex (index); |
| } |
| |
| int trackingProc (int browser, int id, int property, int theRect, int startPt, int modifiers) { |
| return 1; |
| } |
| |
| } |