| package org.eclipse.swt.widgets; |
| |
| /* |
| * Copyright (c) 2000, 2002 IBM Corp. All rights reserved. |
| * This file is 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 |
| */ |
| |
| 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.RGBColor; |
| import org.eclipse.swt.internal.carbon.Rect; |
| |
| import org.eclipse.swt.*; |
| import org.eclipse.swt.events.*; |
| import org.eclipse.swt.graphics.*; |
| |
| public class Tree extends Composite { |
| TreeItem [] items; |
| GC paintGC; |
| int anchorFirst, anchorLast; |
| boolean ignoreSelect, ignoreExpand; |
| static final int CHECK_COLUMN_ID = 1024; |
| static final int COLUMN_ID = 1025; |
| |
| public Tree (Composite parent, int style) { |
| super (parent, checkStyle (style)); |
| } |
| |
| 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); |
| } |
| |
| 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); |
| } |
| |
| static int checkStyle (int style) { |
| /* |
| * Feature in Windows. It is not possible to create |
| * a tree that scrolls and does not have scroll bars. |
| * The TVS_NOSCROLL style will remove the scroll bars |
| * but the tree will never scroll. 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); |
| } |
| |
| public Point computeSize (int wHint, int hHint, boolean changed) { |
| checkWidget (); |
| int width = 0; |
| if (wHint == SWT.DEFAULT) { |
| TreeItem [] items = getItems (); |
| GC gc = new GC (this); |
| for (int i=0; i<items.length; i++) { |
| Rectangle rect = items [i].getBounds (); |
| width = Math.max (width, rect.width); |
| } |
| gc.dispose (); |
| width = width * 2; |
| } else { |
| width = wHint; |
| } |
| if (width <= 0) width = DEFAULT_WIDTH; |
| int height = 0; |
| if (hHint == SWT.DEFAULT) { |
| height = getItemCount () * getItemHeight (); |
| } 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(); |
| Rect rect = new Rect (); |
| OS.GetDataBrowserScrollBarInset (handle, rect); |
| x -= rect.left; |
| y -= rect.top; |
| width += (rect.left + rect.right) * 3; |
| height += rect.top + rect.bottom; |
| return new Rectangle (x, y, width, height); |
| } |
| |
| void createHandle () { |
| 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.kDataBrowserCmdTogglesSelection; |
| OS.SetDataBrowserSelectionFlags (handle, selectionFlags); |
| OS.SetDataBrowserListViewHeaderBtnHeight (handle, (short) 0); |
| OS.SetDataBrowserHasScrollBars (handle, (style & SWT.H_SCROLL) != 0, (style & SWT.V_SCROLL) != 0); |
| //NOT DONE |
| if ((style & SWT.H_SCROLL) == 0) OS.AutoSizeDataBrowserListViewColumns (handle); |
| 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; |
| //NOT DONE |
| checkColumn.headerBtnDesc_minimumWidth = 40; |
| checkColumn.headerBtnDesc_maximumWidth = 40; |
| 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.kDataBrowserTextType; // OS.kDataBrowserIconAndTextType |
| column.propertyDesc_propertyType = OS.kDataBrowserCustomType; |
| column.propertyDesc_propertyFlags = OS.kDataBrowserListViewSelectionColumn | OS.kDataBrowserDefaultPropertyFlags; |
| //NOT DONE |
| column.headerBtnDesc_maximumWidth = 0x7FFF; |
| column.headerBtnDesc_initialOrder = OS.kDataBrowserOrderIncreasing; |
| OS.AddDataBrowserListViewColumn (handle, column, position); |
| OS.SetDataBrowserListViewDisclosureColumn (handle, COLUMN_ID, true); |
| OS.SetDataBrowserTableViewNamedColumnWidth (handle, COLUMN_ID, (short)800); |
| |
| /* |
| * Feature in the Macintosh. Scroll bars are not created until |
| * the widget has a minimum size. The fix is to force the scroll |
| * bars to be created by temporarily giving the widget a size and |
| * then restoring it to zero. |
| * |
| * NOTE: The widget must be visible and SizeControl() must be used |
| * to resize the widget to a minimim size or the widget will not |
| * create the scroll bars. This work around currently flashes. |
| */ |
| OS.SizeControl (handle, (short) 0xFF, (short) 0xFF); |
| OS.SizeControl (handle, (short) 0, (short) 0); |
| } |
| |
| void createItem (TreeItem item, TreeItem parentItem, int index) { |
| int count = 0; |
| for (int i=0; i<items.length; i++) { |
| if (items [i] != null && items [i].parentItem == parentItem) count++; |
| } |
| if (index == -1) index = count; |
| item.index = index; |
| for (int i=0; i<items.length; i++) { |
| if (items [i] != null && items [i].parentItem == parentItem) { |
| if (items [i].index >= item.index) items [i].index++; |
| } |
| } |
| int id = 0; |
| while (id < items.length && items [id] != null) id++; |
| if (id == items.length) { |
| TreeItem [] newItems = new TreeItem [items.length + 4]; |
| System.arraycopy (items, 0, newItems, 0, items.length); |
| items = newItems; |
| } |
| items [id] = item; |
| item.id = id + 1; |
| int parentID = OS.kDataBrowserNoItem; |
| boolean expanded = true; |
| if (parentItem != null) { |
| parentID = parentItem.id; |
| expanded = parentItem.getExpanded (); |
| } |
| if (expanded) { |
| if (OS.AddDataBrowserItems (handle, parentID, 1, new int[] {item.id}, 0) != OS.noErr) { |
| items [id] = null; |
| error (SWT.ERROR_ITEM_NOT_ADDED); |
| } |
| } |
| } |
| |
| ScrollBar createScrollBar (int style) { |
| return createStandardBar (style); |
| } |
| |
| void createWidget () { |
| super.createWidget (); |
| items = new TreeItem [4]; |
| } |
| |
| int defaultThemeFont () { |
| return OS.kThemeViewsFont; |
| } |
| |
| public void deselectAll () { |
| checkWidget (); |
| ignoreSelect = true; |
| OS.SetDataBrowserSelectedItems (handle, 0, null, OS.kDataBrowserItemsRemove); |
| ignoreSelect = false; |
| } |
| |
| void destroyItem (TreeItem item) { |
| int parentID = item.parentItem == null ? OS.kDataBrowserNoItem : item.parentItem.id; |
| if (OS.RemoveDataBrowserItems (handle, parentID, 1, new int[] {item.id}, 0) != OS.noErr) { |
| error (SWT.ERROR_ITEM_NOT_REMOVED); |
| } |
| for (int i=0; i<items.length; i++) { |
| if (items [i] != null) { |
| TreeItem parentItem = items [i].parentItem; |
| while (parentItem != null && parentItem != item) { |
| parentItem = parentItem.parentItem; |
| } |
| if (parentItem == item) { |
| TreeItem oldItem = items [i]; |
| items [i].id = 0; |
| items [i].index = -1; |
| items [i] = null; |
| oldItem.releaseResources (); |
| } |
| } |
| } |
| TreeItem parentItem = item.parentItem; |
| for (int i=0; i<items.length; i++) { |
| if (items [i] != null && items [i].parentItem == parentItem) { |
| if (items [i].index >= item.index) --items [i].index; |
| } |
| } |
| items [item.id - 1] = null; |
| item.id = 0; |
| item.index = -1; |
| } |
| |
| int drawItemProc (int browser, int id, int property, int itemState, int theRect, int gdDepth, int colorDevice) { |
| int index = id - 1; |
| if (!(0 <= index && index < items.length)) return OS.noErr; |
| TreeItem item = items [index]; |
| |
| // if (false) { |
| // int [] port = new int [1], gdh = new int [1]; |
| // OS.GetGWorld (port, gdh); |
| // byte [] buffer = item.text.getBytes(); |
| // Rect rect = new Rect (); |
| // OS.memcpy (rect, theRect, Rect.sizeof); |
| // Display display = getDisplay (); |
| // Color foreground = null, background = null; |
| // if ((itemState & OS.kDataBrowserItemIsSelected) != 0) { |
| // foreground = display.getSystemColor (SWT.COLOR_LIST_SELECTION_TEXT); |
| // background = display.getSystemColor (SWT.COLOR_LIST_SELECTION); |
| // } else { |
| // foreground = display.getSystemColor (SWT.COLOR_LIST_FOREGROUND); |
| // background = display.getSystemColor (SWT.COLOR_LIST_BACKGROUND); |
| // } |
| // int red = (short) (background.handle [0] * 255); |
| // int green = (short) (background.handle [1] * 255); |
| // int blue = (short) (background.handle [2] * 255); |
| // RGBColor color = new RGBColor (); |
| // color.red = (short) (red << 8 | red); |
| // color.green = (short) (green << 8 | green); |
| // color.blue = (short) (blue << 8 | blue); |
| // OS.RGBForeColor (color); |
| // OS.PaintRect (rect); |
| // red = (short) (foreground.handle [0] * 255); |
| // green = (short) (foreground.handle [1] * 255); |
| // blue = (short) (foreground.handle [2] * 255); |
| // color.red = (short) (red << 8 | red); |
| // color.green = (short) (green << 8 | green); |
| // color.blue = (short) (blue << 8 | blue); |
| // OS.RGBForeColor (color); |
| // OS.MoveTo (rect.left, (short)(rect.top + 13)); |
| // OS.DrawText (buffer, (short) 0, (short) buffer.length); |
| // OS.SetGWorld (port [0], gdh [0]); |
| //// System.out.println("x=" + rect.left + " y=" + rect.top + " width=" + (rect.right - rect.left) + " height=" + (rect.bottom - rect.top)); |
| // return OS.noErr; |
| // } |
| |
| Rect rect = new Rect (); |
| OS.memcpy (rect, theRect, Rect.sizeof); |
| // System.out.println("x=" + rect.left + " y=" + rect.top + " width=" + (rect.right - rect.left) + " height=" + (rect.bottom - rect.top)); |
| int x = rect.left; |
| int y = rect.top; |
| int width = rect.right - rect.left; |
| int height = rect.bottom - rect.top; |
| Rect controlRect = new Rect (); |
| OS.GetControlBounds (handle, controlRect); |
| x -= controlRect.left; |
| y -= controlRect.top; |
| GC gc = paintGC == null ? new GC (this) : paintGC; |
| int clip = OS.NewRgn (); |
| OS.GetClip (clip); |
| OS.OffsetRgn (clip, (short)-controlRect.left, (short)-controlRect.top); |
| gc.setClipping (Region.carbon_new (clip)); |
| OS.DisposeRgn (clip); |
| Display display = getDisplay (); |
| Color foreground = item.foreground != null ? item.foreground : display.getSystemColor (SWT.COLOR_LIST_FOREGROUND); |
| Color background = item.background != null ? item.background : display.getSystemColor (SWT.COLOR_LIST_BACKGROUND); |
| gc.setForeground (foreground); |
| gc.setBackground (background); |
| gc.fillRectangle (x, y, width, height); |
| Image image = item.image; |
| if (image != null) { |
| Rectangle bounds = image.getBounds (); |
| gc.drawImage (image, 0, 0, bounds.width, bounds.height, x, y, bounds.width, height); |
| x += bounds.width + 2; |
| } |
| Point extent = gc.stringExtent (item.text); |
| if ((itemState & OS.kDataBrowserItemIsSelected) != 0) { |
| gc.setForeground (display.getSystemColor (SWT.COLOR_LIST_SELECTION_TEXT)); |
| gc.setBackground (display.getSystemColor (SWT.COLOR_LIST_SELECTION)); |
| gc.fillRectangle (x, y, extent.x, height); |
| } |
| gc.drawString (item.text, x, y + (Math.max (0, (height - extent.y) / 2))); |
| if (paintGC == null) gc.dispose (); |
| return OS.noErr; |
| } |
| |
| public Rectangle getClientArea () { |
| checkWidget(); |
| Rect rect = new Rect (), inset = new Rect (); |
| OS.GetControlBounds (handle, rect); |
| OS.GetDataBrowserScrollBarInset (handle, inset); |
| return new Rectangle (inset.left, inset.top, rect.right - rect.left + inset.right, rect.bottom - rect.top + inset.bottom); |
| } |
| |
| public TreeItem getItem (Point point) { |
| checkWidget (); |
| 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)); |
| //OPTIMIZE |
| for (int i=0; i<items.length; i++) { |
| TreeItem item = items [i]; |
| if (item != null) { |
| OS.GetDataBrowserItemPartBounds (handle, item.id, COLUMN_ID, OS.kDataBrowserPropertyEnclosingPart, rect); |
| if (OS.PtInRect (pt, rect)) return item; |
| } |
| } |
| return null; |
| } |
| |
| public int getItemCount () { |
| checkWidget (); |
| return getItemCount (null); |
| } |
| |
| int getItemCount (TreeItem item) { |
| checkWidget (); |
| int count = 0; |
| for (int i=0; i<items.length; i++) { |
| if (items [i] != null && items [i].parentItem == item) count++; |
| } |
| return count; |
| } |
| |
| 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]; |
| } |
| |
| public TreeItem [] getItems () { |
| checkWidget (); |
| return getItems (null); |
| } |
| |
| public TreeItem [] getItems (TreeItem item) { |
| int count = 0; |
| for (int i=0; i<items.length; i++) { |
| if (items [i] != null && items [i].parentItem == item) count++; |
| } |
| TreeItem [] result = new TreeItem [count]; |
| for (int i=0; i<items.length; i++) { |
| if (items [i] != null && items [i].parentItem == item) { |
| result [items [i].index] = items [i]; |
| } |
| } |
| return result; |
| } |
| |
| public TreeItem getParentItem () { |
| checkWidget (); |
| return null; |
| } |
| |
| public TreeItem [] 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; |
| TreeItem [] result = new TreeItem [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] = items [id [0] - 1]; |
| } |
| OS.HUnlock (ptr); |
| OS.DisposeHandle (ptr); |
| return result; |
| } |
| |
| 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]; |
| } |
| |
| int hitTestProc (int browser, int id, int property, int theRect, int mouseRect) { |
| // int index = id - 1; |
| // if (!(0 <= index && index < items.length)) return 0; |
| // TreeItem item = items [index]; |
| return 1; |
| } |
| |
| void hookEvents () { |
| super.hookEvents (); |
| Display display= getDisplay(); |
| 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); |
| } |
| |
| int itemDataProc (int browser, int id, int property, int itemData, int setValue) { |
| int index = id - 1; |
| if (!(0 <= index && index < items.length)) return OS.noErr; |
| TreeItem item = items [index]; |
| switch (property) { |
| case CHECK_COLUMN_ID: { |
| if (setValue != 0) { |
| short [] theData = new short [1]; |
| OS.GetDataBrowserItemDataButtonValue (itemData, theData); |
| item.checked = theData [0] == OS.kThemeButtonOn; |
| 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); |
| } |
| break; |
| } |
| // case COLUMN_ID: { |
| // String text = item.text; |
| // char [] buffer = new char [text.length ()]; |
| // text.getChars (0, buffer.length, buffer, 0); |
| // int ptr = OS.CFStringCreateWithCharacters (OS.kCFAllocatorDefault, buffer, buffer.length); |
| // if (ptr == 0) error (SWT.ERROR_CANNOT_SET_TEXT); |
| // OS.SetDataBrowserItemDataText (itemData, ptr); |
| // OS.CFRelease (ptr); |
| // break; |
| // } |
| case OS.kDataBrowserItemIsContainerProperty: { |
| for (int i=0; i<items.length; i++) { |
| if (items [i] != null && items [i].parentItem == item) { |
| OS.SetDataBrowserItemDataBooleanValue (itemData, true); |
| } |
| } |
| 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; |
| TreeItem item = items [index]; |
| switch (message) { |
| case OS.kDataBrowserItemSelected: |
| case OS.kDataBrowserItemDeselected: { |
| 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: { |
| Event event = new Event (); |
| event.item = item; |
| postEvent (SWT.DefaultSelection, event); |
| break; |
| } |
| case OS.kDataBrowserContainerClosed: { |
| if (ignoreExpand) break; |
| Event event = new Event (); |
| event.item = item; |
| sendEvent (SWT.Collapse, event); |
| break; |
| } |
| case OS.kDataBrowserContainerOpened: { |
| if (!ignoreExpand) { |
| Event event = new Event (); |
| event.item = item; |
| sendEvent (SWT.Expand, event); |
| } |
| int count = 0; |
| for (int i=0; i<items.length; i++) { |
| if (items [i] != null && items [i].parentItem == item) count++; |
| } |
| int [] ids = new int [count]; |
| for (int i=0; i<items.length; i++) { |
| if (items [i] != null && items [i].parentItem == item) { |
| ids [items [i].index] = items [i].id; |
| } |
| } |
| OS.AddDataBrowserItems (handle, id, ids.length, ids, 0); |
| break; |
| } |
| } |
| return OS.noErr; |
| } |
| |
| int kEventControlDraw (int nextHandler, int theEvent, int userData) { |
| GC currentGC = paintGC; |
| if (currentGC == null) paintGC = new GC (this); |
| int result = super.kEventControlDraw (nextHandler, theEvent, userData); |
| if (currentGC == null) { |
| paintGC.dispose (); |
| paintGC = null; |
| } |
| return result; |
| } |
| |
| int kEventMouseDown (int nextHandler, int theEvent, int userData) { |
| int result = super.kEventMouseDown (nextHandler, theEvent, userData); |
| if (result == OS.noErr) return result; |
| /* |
| * 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. |
| */ |
| Display display = getDisplay (); |
| Control oldFocus = display.getFocusControl (); |
| display.ignoreFocus = true; |
| result = OS.CallNextEventHandler (nextHandler, theEvent); |
| display.ignoreFocus = false; |
| if (oldFocus != this) { |
| if (oldFocus != null) oldFocus.sendFocusEvent (false); |
| if (isEnabled ()) sendFocusEvent (true); |
| } |
| return result; |
| } |
| |
| void releaseWidget () { |
| for (int i=0; i<items.length; i++) { |
| TreeItem item = items [i]; |
| if (item != null && !item.isDisposed ()) { |
| item.releaseResources (); |
| } |
| } |
| super.releaseWidget (); |
| } |
| |
| public void removeAll () { |
| checkWidget (); |
| if (OS.RemoveDataBrowserItems (handle, OS.kDataBrowserNoItem, 0, null, 0) != OS.noErr) { |
| error (SWT.ERROR_ITEM_NOT_REMOVED); |
| } |
| for (int i=0; i<items.length; i++) { |
| TreeItem item = items [i]; |
| if (item != null && !item.isDisposed ()) item.releaseResources (); |
| } |
| items = new TreeItem [4]; |
| anchorFirst = anchorLast = 0; |
| } |
| |
| public void removeSelectionListener (SelectionListener listener) { |
| checkWidget (); |
| if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); |
| eventTable.unhook (SWT.Selection, listener); |
| eventTable.unhook (SWT.DefaultSelection, listener); |
| } |
| |
| 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); |
| } |
| |
| public void setInsertMark (TreeItem item, boolean before) { |
| checkWidget (); |
| if (item != null) { |
| if (item.isDisposed()) error(SWT.ERROR_INVALID_ARGUMENT); |
| } |
| } |
| |
| public void selectAll () { |
| checkWidget (); |
| if ((style & SWT.SINGLE) != 0) return; |
| ignoreSelect = true; |
| OS.SetDataBrowserSelectedItems (handle, 0, null, OS.kDataBrowserItemsAssign); |
| ignoreSelect = false; |
| } |
| |
| public void setSelection (TreeItem [] items) { |
| checkWidget (); |
| if (items == null) error (SWT.ERROR_NULL_ARGUMENT); |
| int[] ids = new int [items.length]; |
| for (int i=0; i<items.length; i++) { |
| if (items [i] == null) error (SWT.ERROR_INVALID_ARGUMENT); |
| if (items [i].isDisposed ()) error (SWT.ERROR_INVALID_ARGUMENT); |
| ids [i] = items [i].id; |
| showItem (items [i], false); |
| } |
| ignoreSelect = true; |
| OS.SetDataBrowserSelectedItems (handle, ids.length, ids, OS.kDataBrowserItemsAssign); |
| ignoreSelect = false; |
| if (items.length > 0) showItem (items [0], true); |
| } |
| |
| 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) { |
| // short [] width = new short [1]; |
| // OS.GetDataBrowserTableViewNamedColumnWidth (handle, COLUMN_ID, width); |
| // Rect rect = new Rect (), inset = new Rect (); |
| // OS.GetControlBounds (handle, rect); |
| // OS.GetDataBrowserScrollBarInset (handle, inset); |
| // OS.SetDataBrowserTableViewNamedColumnWidth (handle, COLUMN_ID, (short)(rect.right - rect.left - inset.left - inset.right)); |
| // OS.RevealDataBrowserItem (handle, item.id, COLUMN_ID, (byte) OS.kDataBrowserRevealWithoutSelecting); |
| // OS.SetDataBrowserTableViewNamedColumnWidth (handle, COLUMN_ID, (short)width [0]); |
| // } |
| if (scroll) { |
| Rectangle treeRect = getClientArea (); |
| Rectangle itemRect = item.getBounds (); |
| if (treeRect.contains (itemRect.x, itemRect.y)) return; |
| OS.RevealDataBrowserItem (handle, item.id, COLUMN_ID, (byte) OS.kDataBrowserRevealWithoutSelecting); |
| int [] top = new int [1], left = new int [1]; |
| OS.GetDataBrowserScrollPosition (handle, top, left); |
| OS.SetDataBrowserScrollPosition (handle, top [0], 0); |
| itemRect = item.getBounds (); |
| if (!treeRect.contains (itemRect.x, itemRect.y)) { |
| OS.RevealDataBrowserItem (handle, item.id, COLUMN_ID, (byte) OS.kDataBrowserRevealWithoutSelecting); |
| } |
| } |
| } |
| |
| public void showSelection () { |
| checkWidget (); |
| //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) { |
| // int index = id - 1; |
| // if (!(0 <= index && index < items.length)) return 0; |
| // TreeItem item = items [index]; |
| return 1; |
| } |
| |
| } |