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Diffstat (limited to 'bundles/org.eclipse.swt/Eclipse SWT/cocoa/org/eclipse/swt/widgets/Tree.java')
| -rwxr-xr-x | bundles/org.eclipse.swt/Eclipse SWT/cocoa/org/eclipse/swt/widgets/Tree.java | 2974 |
1 files changed, 0 insertions, 2974 deletions
diff --git a/bundles/org.eclipse.swt/Eclipse SWT/cocoa/org/eclipse/swt/widgets/Tree.java b/bundles/org.eclipse.swt/Eclipse SWT/cocoa/org/eclipse/swt/widgets/Tree.java deleted file mode 100755 index efac0d6428..0000000000 --- a/bundles/org.eclipse.swt/Eclipse SWT/cocoa/org/eclipse/swt/widgets/Tree.java +++ /dev/null @@ -1,2974 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2000, 2009 IBM Corporation and others. - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Eclipse Public License v1.0 - * which accompanies this distribution, and is available at - * http://www.eclipse.org/legal/epl-v10.html - * - * Contributors: - * IBM Corporation - initial API and implementation - *******************************************************************************/ -package org.eclipse.swt.widgets; - -import org.eclipse.swt.*; -import org.eclipse.swt.accessibility.*; -import org.eclipse.swt.events.*; -import org.eclipse.swt.graphics.*; -import org.eclipse.swt.internal.cocoa.*; - -/** - * Instances of this class provide a selectable user interface object - * that displays a hierarchy of items and issues notification when an - * item in the hierarchy is selected. - * <p> - * The item children that may be added to instances of this class - * must be of type <code>TreeItem</code>. - * </p><p> - * Style <code>VIRTUAL</code> is used to create a <code>Tree</code> whose - * <code>TreeItem</code>s are to be populated by the client on an on-demand basis - * instead of up-front. This can provide significant performance improvements for - * trees that are very large or for which <code>TreeItem</code> population is - * expensive (for example, retrieving values from an external source). - * </p><p> - * Here is an example of using a <code>Tree</code> with style <code>VIRTUAL</code>: - * <code><pre> - * final Tree tree = new Tree(parent, SWT.VIRTUAL | SWT.BORDER); - * tree.setItemCount(20); - * tree.addListener(SWT.SetData, new Listener() { - * public void handleEvent(Event event) { - * TreeItem item = (TreeItem)event.item; - * TreeItem parentItem = item.getParentItem(); - * String text = null; - * if (parentItem == null) { - * text = "node " + tree.indexOf(item); - * } else { - * text = parentItem.getText() + " - " + parentItem.indexOf(item); - * } - * item.setText(text); - * System.out.println(text); - * item.setItemCount(10); - * } - * }); - * </pre></code> - * </p><p> - * Note that although this class is a subclass of <code>Composite</code>, - * it does not normally make sense to add <code>Control</code> children to - * it, or set a layout on it, unless implementing something like a cell - * editor. - * </p><p> - * <dl> - * <dt><b>Styles:</b></dt> - * <dd>SINGLE, MULTI, CHECK, FULL_SELECTION, VIRTUAL, NO_SCROLL</dd> - * <dt><b>Events:</b></dt> - * <dd>Selection, DefaultSelection, Collapse, Expand, SetData, MeasureItem, EraseItem, PaintItem</dd> - * </dl> - * </p><p> - * Note: Only one of the styles SINGLE and MULTI may be specified. - * </p><p> - * IMPORTANT: This class is <em>not</em> intended to be subclassed. - * </p> - * - * @see <a href="http://www.eclipse.org/swt/snippets/#tree">Tree, TreeItem, TreeColumn snippets</a> - * @see <a href="http://www.eclipse.org/swt/examples.php">SWT Example: ControlExample</a> - * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a> - * @noextend This class is not intended to be subclassed by clients. - */ -public class Tree extends Composite { - NSTableColumn firstColumn, checkColumn; - NSTextFieldCell dataCell; - NSButtonCell buttonCell; - NSTableHeaderView headerView; - TreeItem [] items; - int itemCount; - TreeColumn [] columns; - TreeColumn sortColumn; - int columnCount; - int sortDirection; - boolean ignoreExpand, ignoreSelect, ignoreRedraw, reloadPending, drawExpansion; - Rectangle imageBounds; - TreeItem insertItem; - boolean insertBefore; - - static int NEXT_ID; - - static final int FIRST_COLUMN_MINIMUM_WIDTH = 5; - static final int IMAGE_GAP = 3; - static final int TEXT_GAP = 2; - static final int CELL_GAP = 1; - -/** - * Constructs a new instance of this class given its parent - * and a style value describing its behavior and appearance. - * <p> - * The style value is either one of the style constants defined in - * class <code>SWT</code> which is applicable to instances of this - * class, or must be built by <em>bitwise OR</em>'ing together - * (that is, using the <code>int</code> "|" operator) two or more - * of those <code>SWT</code> style constants. The class description - * lists the style constants that are applicable to the class. - * Style bits are also inherited from superclasses. - * </p> - * - * @param parent a composite control which will be the parent of the new instance (cannot be null) - * @param style the style of control to construct - * - * @exception IllegalArgumentException <ul> - * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> - * </ul> - * @exception SWTException <ul> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> - * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> - * </ul> - * - * @see SWT#SINGLE - * @see SWT#MULTI - * @see SWT#CHECK - * @see SWT#FULL_SELECTION - * @see SWT#VIRTUAL - * @see SWT#NO_SCROLL - * @see Widget#checkSubclass - * @see Widget#getStyle - */ -public Tree (Composite parent, int style) { - super (parent, checkStyle (style)); -} - -void _addListener (int eventType, Listener listener) { - super._addListener (eventType, listener); - clearCachedWidth (items); -} - -TreeItem _getItem (TreeItem parentItem, int index, boolean create) { - int count; - TreeItem[] items; - if (parentItem != null) { - count = parentItem.itemCount; - items = parentItem.items; - } else { - count = this.itemCount; - items = this.items; - } - if (index < 0 || index >= count) return null; - TreeItem item = items [index]; - if (item != null || (style & SWT.VIRTUAL) == 0 || !create) return item; - item = new TreeItem (this, parentItem, SWT.NONE, index, false); - items [index] = item; - return item; -} - -int /*long*/ accessibilityAttributeValue (int /*long*/ id, int /*long*/ sel, int /*long*/ arg0) { - - if (accessible != null) { - NSString attribute = new NSString(arg0); - id returnValue = accessible.internal_accessibilityAttributeValue(attribute, ACC.CHILDID_SELF); - if (returnValue != null) return returnValue.id; - } - - NSString attributeName = new NSString(arg0); - - // Accessibility Verifier queries for a title or description. NSOutlineView doesn't - // seem to return either, so we return a default description value here. - if (attributeName.isEqualToString (OS.NSAccessibilityDescriptionAttribute)) { - return NSString.stringWith("").id; - } - - return super.accessibilityAttributeValue(id, sel, arg0); -} - - -/** - * Adds the listener to the collection of listeners who will - * be notified when the user changes the receiver's selection, by sending - * it one of the messages defined in the <code>SelectionListener</code> - * interface. - * <p> - * When <code>widgetSelected</code> is called, the item field of the event object is valid. - * If the receiver has the <code>SWT.CHECK</code> style and the check selection changes, - * the event object detail field contains the value <code>SWT.CHECK</code>. - * <code>widgetDefaultSelected</code> is typically called when an item is double-clicked. - * The item field of the event object is valid for default selection, but the detail field is not used. - * </p> - * - * @param listener the listener which should be notified when the user changes the receiver's selection - * - * @exception IllegalArgumentException <ul> - * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> - * </ul> - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - * - * @see SelectionListener - * @see #removeSelectionListener - * @see SelectionEvent - */ -public void addSelectionListener(SelectionListener listener) { - checkWidget (); - if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); - TypedListener typedListener = new TypedListener (listener); - addListener (SWT.Selection, typedListener); - addListener (SWT.DefaultSelection, typedListener); -} - -/** - * Adds the listener to the collection of listeners who will - * be notified when an item in the receiver is expanded or collapsed - * by sending it one of the messages defined in the <code>TreeListener</code> - * interface. - * - * @param listener the listener which should be notified - * - * @exception IllegalArgumentException <ul> - * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> - * </ul> - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - * - * @see TreeListener - * @see #removeTreeListener - */ -public void addTreeListener(TreeListener listener) { - checkWidget (); - if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); - TypedListener typedListener = new TypedListener (listener); - addListener (SWT.Expand, typedListener); - addListener (SWT.Collapse, typedListener); -} - -int calculateWidth (TreeItem[] items, int index, GC gc, boolean recurse) { - if (items == null) return 0; - int width = 0; - for (int i=0; i<items.length; i++) { - TreeItem item = items [i]; - if (item != null) { - int itemWidth = item.calculateWidth (index, gc); - width = Math.max (width, itemWidth); - if (recurse && item.getExpanded ()) { - width = Math.max (width, calculateWidth (item.items, index, gc, recurse)); - } - } - } - return width; -} - -NSSize cellSize (int /*long*/ id, int /*long*/ sel) { - NSSize size = super.cellSize(id, sel); - NSImage image = new NSCell(id).image(); - if (image != null) size.width += imageBounds.width + IMAGE_GAP; - if (hooks(SWT.MeasureItem)) { - int /*long*/ [] outValue = new int /*long*/ [1]; - OS.object_getInstanceVariable(id, Display.SWT_ROW, outValue); - TreeItem item = (TreeItem) display.getWidget (outValue [0]); - OS.object_getInstanceVariable(id, Display.SWT_COLUMN, outValue); - int /*long*/ tableColumn = outValue[0]; - int columnIndex = 0; - for (int i=0; i<columnCount; i++) { - if (columns [i].nsColumn.id == tableColumn) { - columnIndex = i; - break; - } - } - sendMeasureItem (item, columnIndex, size); - } - return size; -} - -boolean canDragRowsWithIndexes_atPoint(int /*long*/ id, int /*long*/ sel, int /*long*/ arg0, int /*long*/ arg1) { - NSPoint clickPoint = new NSPoint(); - OS.memmove(clickPoint, arg1, NSPoint.sizeof); - NSOutlineView tree = (NSOutlineView)view; - - // If the current row is not selected and the user is not attempting to modify the selection, select the row first. - int /*long*/ row = tree.rowAtPoint(clickPoint); - int /*long*/ modifiers = NSApplication.sharedApplication().currentEvent().modifierFlags(); - - boolean drag = (state & DRAG_DETECT) != 0 && hooks (SWT.DragDetect); - if (drag) { - if (!tree.isRowSelected(row) && (modifiers & (OS.NSCommandKeyMask | OS.NSShiftKeyMask | OS.NSAlternateKeyMask | OS.NSControlKeyMask)) == 0) { - NSIndexSet set = (NSIndexSet)new NSIndexSet().alloc(); - set = set.initWithIndex(row); - tree.selectRowIndexes (set, false); - set.release(); - } - } - - // The clicked row must be selected to initiate a drag. - return (tree.isRowSelected(row) && drag); -} - -boolean checkData (TreeItem item) { - if (item.cached) return true; - if ((style & SWT.VIRTUAL) != 0) { - item.cached = true; - Event event = new Event (); - TreeItem parentItem = item.getParentItem (); - event.item = item; - event.index = parentItem == null ? indexOf (item) : parentItem.indexOf (item); - ignoreRedraw = true; - sendEvent (SWT.SetData, event); - //widget could be disposed at this point - ignoreRedraw = false; - if (isDisposed () || item.isDisposed ()) return false; - if (!setScrollWidth (item)) item.redraw (-1); - } - return true; -} - -static int checkStyle (int style) { - /* - * Feature in Windows. Even when WS_HSCROLL or - * WS_VSCROLL is not specified, Windows creates - * trees and tables with scroll bars. The fix - * is to set H_SCROLL and V_SCROLL. - * - * NOTE: This code appears on all platforms so that - * applications have consistent scroll bar behavior. - */ - if ((style & SWT.NO_SCROLL) == 0) { - style |= SWT.H_SCROLL | SWT.V_SCROLL; - } - /* This platform is always FULL_SELECTION */ - style |= SWT.FULL_SELECTION; - return checkBits (style, SWT.SINGLE, SWT.MULTI, 0, 0, 0, 0); -} - -protected void checkSubclass () { - if (!isValidSubclass ()) error (SWT.ERROR_INVALID_SUBCLASS); -} - -void checkItems () { - if (!reloadPending) return; - reloadPending = false; - TreeItem[] selectedItems = getSelection (); - ((NSOutlineView)view).reloadData (); - selectItems (selectedItems, true); - ignoreExpand = true; - for (int i = 0; i < itemCount; i++) { - if (items[i] != null) items[i].updateExpanded (); - } - ignoreExpand = false; -} - -void clear (TreeItem parentItem, int index, boolean all) { - TreeItem item = _getItem (parentItem, index, false); - if (item != null) { - item.clear(); - item.redraw (-1); - if (all) { - clearAll (item, true); - } - } -} - -void clearAll (TreeItem parentItem, boolean all) { - int count = getItemCount (parentItem); - if (count == 0) return; - TreeItem [] children = parentItem == null ? items : parentItem.items; - for (int i=0; i<count; i++) { - TreeItem item = children [i]; - if (item != null) { - item.clear (); - item.redraw (-1); - if (all) clearAll (item, true); - } - } -} - -/** - * Clears the item at the given zero-relative index in the receiver. - * The text, icon and other attributes of the item are set to the default - * value. If the tree was created with the <code>SWT.VIRTUAL</code> style, - * these attributes are requested again as needed. - * - * @param index the index of the item to clear - * @param all <code>true</code> if all child items of the indexed item should be - * cleared recursively, and <code>false</code> otherwise - * - * @exception IllegalArgumentException <ul> - * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)</li> - * </ul> - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - * - * @see SWT#VIRTUAL - * @see SWT#SetData - * - * @since 3.2 - */ -public void clear (int index, boolean all) { - checkWidget (); - int count = getItemCount (); - if (index < 0 || index >= count) error (SWT.ERROR_INVALID_RANGE); - clear (null, index, all); -} - -/** - * Clears all the items in the receiver. The text, icon and other - * attributes of the items are set to their default values. If the - * tree was created with the <code>SWT.VIRTUAL</code> style, these - * attributes are requested again as needed. - * - * @param all <code>true</code> if all child items should be cleared - * recursively, and <code>false</code> otherwise - * - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - * - * @see SWT#VIRTUAL - * @see SWT#SetData - * - * @since 3.2 - */ -public void clearAll (boolean all) { - checkWidget (); - clearAll (null, all); -} - -void clearCachedWidth (TreeItem[] items) { - if (items == null) return; - for (int i = 0; i < items.length; i++) { - TreeItem item = items [i]; - if (item == null) break; - item.width = -1; - clearCachedWidth (item.items); - } -} - -void collapseItem_collapseChildren (int /*long*/ id, int /*long*/ sel, int /*long*/ itemID, boolean children) { - TreeItem item = (TreeItem)display.getWidget(itemID); - if (!ignoreExpand) item.sendExpand (false, children); - ignoreExpand = true; - super.collapseItem_collapseChildren (id, sel, itemID, children); - ignoreExpand = false; - if (isDisposed() || item.isDisposed()) return; - setScrollWidth (); -} - -public Point computeSize (int wHint, int hHint, boolean changed) { - checkWidget (); - int width = 0, height = 0; - if (wHint == SWT.DEFAULT) { - if (columnCount != 0) { - for (int i=0; i<columnCount; i++) { - width += columns [i].getWidth (); - } - } else { - GC gc = new GC (this); - width = calculateWidth (items, 0, gc, true) + CELL_GAP; - gc.dispose (); - } - if ((style & SWT.CHECK) != 0) width += getCheckColumnWidth (); - } else { - width = wHint; - } - if (hHint == SWT.DEFAULT) { - height = (int)/*64*/((NSOutlineView) view).numberOfRows () * getItemHeight () + getHeaderHeight (); - } else { - height = hHint; - } - if (width <= 0) width = DEFAULT_WIDTH; - if (height <= 0) height = DEFAULT_HEIGHT; - Rectangle rect = computeTrim (0, 0, width, height); - return new Point (rect.width, rect.height); -} - -void createColumn (TreeItem item, int index) { - if (item.items != null) { - for (int i = 0; i < item.items.length; i++) { - if (item.items[i] != null) createColumn (item.items[i], index); - } - } - 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 createHandle () { - NSScrollView scrollWidget = (NSScrollView) new SWTScrollView ().alloc (); - scrollWidget.init (); - scrollWidget.setHasHorizontalScroller ((style & SWT.H_SCROLL) != 0); - scrollWidget.setHasVerticalScroller ((style & SWT.V_SCROLL) != 0); - scrollWidget.setAutohidesScrollers (true); - scrollWidget.setBorderType(hasBorder () ? OS.NSBezelBorder : OS.NSNoBorder); - - NSOutlineView widget = (NSOutlineView) new SWTOutlineView ().alloc (); - /* - * Bug in Cocoa. Calling init, instead of initWithFrame on an NSOutlineView - * cause the NSOutlineView to leak some memory. The work around is to call - * initWithFrame and pass an empty NSRect instead of calling init. - */ - widget.initWithFrame(new NSRect()); - widget.setAllowsMultipleSelection ((style & SWT.MULTI) != 0); - widget.setAllowsColumnReordering (false); - widget.setAutoresizesOutlineColumn (false); - widget.setAutosaveExpandedItems (true); - widget.setDataSource (widget); - widget.setDelegate (widget); - widget.setColumnAutoresizingStyle (OS.NSTableViewNoColumnAutoresizing); - NSSize spacing = new NSSize(); - spacing.width = spacing.height = CELL_GAP; - widget.setIntercellSpacing(spacing); - widget.setDoubleAction (OS.sel_sendDoubleSelection); - if (!hasBorder ()) widget.setFocusRingType (OS.NSFocusRingTypeNone); - - headerView = (NSTableHeaderView)new SWTTableHeaderView ().alloc ().init (); - widget.setHeaderView (null); - - NSString str = NSString.stringWith (""); //$NON-NLS-1$ - if ((style & SWT.CHECK) != 0) { - checkColumn = (NSTableColumn) new NSTableColumn ().alloc (); - checkColumn = checkColumn.initWithIdentifier(NSString.stringWith(String.valueOf(++NEXT_ID))); - checkColumn.headerCell ().setTitle (str); - widget.addTableColumn (checkColumn); - widget.setOutlineTableColumn (checkColumn); - checkColumn.setResizingMask (OS.NSTableColumnNoResizing); - checkColumn.setEditable (false); - int /*long*/ cls = NSButton.cellClass (); /* use our custom cell class */ - buttonCell = new NSButtonCell (OS.class_createInstance (cls, 0)); - buttonCell.init (); - checkColumn.setDataCell (buttonCell); - buttonCell.setButtonType (OS.NSSwitchButton); - buttonCell.setImagePosition (OS.NSImageOnly); - buttonCell.setAllowsMixedState (true); - checkColumn.setWidth (getCheckColumnWidth ()); - } - - firstColumn = (NSTableColumn) new NSTableColumn ().alloc (); - firstColumn = firstColumn.initWithIdentifier(NSString.stringWith(String.valueOf(++NEXT_ID))); - /* - * Feature in Cocoa. If a column's width is too small to show any content - * then outlineView_objectValueForTableColumn_byItem is never invoked to - * query for item values, which is a problem for VIRTUAL Trees. The - * workaround is to ensure that, for 0-column Trees, the internal first - * column always has a minimal width that makes this call come in. - */ - firstColumn.setMinWidth (FIRST_COLUMN_MINIMUM_WIDTH); - firstColumn.setWidth(0); - firstColumn.setResizingMask (OS.NSTableColumnNoResizing); - firstColumn.headerCell ().setTitle (str); - widget.addTableColumn (firstColumn); - widget.setOutlineTableColumn (firstColumn); - dataCell = (NSTextFieldCell)new SWTImageTextCell ().alloc ().init (); - dataCell.setLineBreakMode(OS.NSLineBreakByClipping); - firstColumn.setDataCell (dataCell); - - scrollView = scrollWidget; - view = widget; -} - -void createItem (TreeColumn column, int index) { - if (!(0 <= index && index <= columnCount)) error (SWT.ERROR_INVALID_RANGE); - if (index == 0) { - // first column must be left aligned - column.style &= ~(SWT.LEFT | SWT.RIGHT | SWT.CENTER); - column.style |= SWT.LEFT; - } - if (columnCount == columns.length) { - TreeColumn [] newColumns = new TreeColumn [columnCount + 4]; - System.arraycopy (columns, 0, newColumns, 0, columns.length); - columns = newColumns; - } - NSTableColumn nsColumn; - if (columnCount == 0) { - //TODO - clear attributes, alignment etc. - nsColumn = firstColumn; - nsColumn.setMinWidth (0); - nsColumn.setResizingMask (OS.NSTableColumnUserResizingMask); - firstColumn = null; - } else { - //TODO - set attributes, alignment etc. - NSOutlineView outlineView = (NSOutlineView)view; - NSString str = NSString.stringWith (""); - nsColumn = (NSTableColumn) new NSTableColumn ().alloc (); - nsColumn = nsColumn.initWithIdentifier(NSString.stringWith(String.valueOf(++NEXT_ID))); - nsColumn.setMinWidth(0); - nsColumn.headerCell ().setTitle (str); - outlineView.addTableColumn (nsColumn); - int checkColumn = (style & SWT.CHECK) != 0 ? 1 : 0; - outlineView.moveColumn (columnCount + checkColumn, index + checkColumn); - nsColumn.setDataCell (dataCell); - if (index == 0) { - outlineView.setOutlineTableColumn (nsColumn); - } - } - column.createJNIRef (); - NSTableHeaderCell headerCell = (NSTableHeaderCell)new SWTTableHeaderCell ().alloc ().init (); - nsColumn.setHeaderCell (headerCell); - display.addWidget (headerCell, column); - column.nsColumn = nsColumn; - nsColumn.setWidth (0); - System.arraycopy (columns, index, columns, index + 1, columnCount++ - index); - columns [index] = column; - for (int i = 0; i < itemCount; i++) { - TreeItem item = items [i]; - if (item != null) { - if (columnCount > 1) { - createColumn (item, index); - } - } - } -} - -void createItem (TreeItem item, TreeItem parentItem, int index) { - int count; - TreeItem [] items; - if (parentItem != null) { - count = parentItem.itemCount; - items = parentItem.items; - } else { - count = this.itemCount; - items = this.items; - } - if (index == -1) index = count; - if (!(0 <= index && index <= count)) error (SWT.ERROR_INVALID_RANGE); - if (count == items.length) { - TreeItem [] newItems = new TreeItem [items.length + 4]; - System.arraycopy (items, 0, newItems, 0, items.length); - items = newItems; - if (parentItem != null) { - parentItem.items = items; - } else { - this.items = items; - } - } - System.arraycopy (items, index, items, index + 1, count++ - index); - items [index] = item; - item.items = new TreeItem [4]; - SWTTreeItem handle = (SWTTreeItem) new SWTTreeItem ().alloc ().init (); - item.handle = handle; - item.createJNIRef (); - item.register (); - if (parentItem != null) { - parentItem.itemCount = count; - } else { - this.itemCount = count; - } - ignoreExpand = true; - reloadItem (parentItem, true); - if (parentItem != null && parentItem.itemCount == 1 && parentItem.expanded) { - ((NSOutlineView)view).expandItem (parentItem.handle); - } - ignoreExpand = false; -} - -void createWidget () { - super.createWidget (); - items = new TreeItem [4]; - columns = new TreeColumn [4]; -} - -Color defaultBackground () { - return display.getWidgetColor (SWT.COLOR_LIST_BACKGROUND); -} - -NSFont defaultNSFont () { - return display.outlineViewFont; -} - -Color defaultForeground () { - return display.getWidgetColor (SWT.COLOR_LIST_FOREGROUND); -} - -/** - * 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 (); - NSTableView widget = (NSOutlineView) view; - ignoreSelect = true; - widget.deselectAll (null); - ignoreSelect = false; -} - -void deregister () { - super.deregister (); - display.removeWidget (headerView); - display.removeWidget (dataCell); - if (buttonCell != null) display.removeWidget (buttonCell); -} - -/** - * Deselects an item in the receiver. If the item was already - * deselected, it remains deselected. - * - * @param item the item to be deselected - * - * @exception IllegalArgumentException <ul> - * <li>ERROR_NULL_ARGUMENT - if the item is null</li> - * <li>ERROR_INVALID_ARGUMENT - if the item has been disposed</li> - * </ul> - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - * - * @since 3.4 - */ -public void deselect (TreeItem item) { - checkWidget (); - if (item == null) error (SWT.ERROR_NULL_ARGUMENT); - if (item.isDisposed ()) error (SWT.ERROR_INVALID_ARGUMENT); - NSOutlineView widget = (NSOutlineView)view; - int /*long*/ row = widget.rowForItem(item.handle); - ignoreSelect = true; - widget.deselectRow (row); - ignoreSelect = false; -} - -void destroyItem (TreeColumn column) { - int index = 0; - while (index < columnCount) { - if (columns [index] == column) break; - index++; - } - for (int i=0; i<items.length; i++) { - TreeItem item = items [i]; - if (item != null) { - if (columnCount <= 1) { - item.strings = null; - item.images = null; - item.cellBackground = null; - item.cellForeground = null; - item.cellFont = null; - } else { - if (item.strings != null) { - String [] strings = item.strings; - if (index == 0) { - item.text = strings [1] != null ? strings [1] : ""; - } - String [] temp = new String [columnCount - 1]; - System.arraycopy (strings, 0, temp, 0, index); - System.arraycopy (strings, index + 1, temp, index, columnCount - 1 - index); - item.strings = temp; - } else { - if (index == 0) item.text = ""; - } - if (item.images != null) { - Image [] images = item.images; - if (index == 0) item.image = images [1]; - Image [] temp = new Image [columnCount - 1]; - System.arraycopy (images, 0, temp, 0, index); - System.arraycopy (images, index + 1, temp, index, columnCount - 1 - index); - item.images = temp; - } else { - if (index == 0) item.image = null; - } - if (item.cellBackground != null) { - Color [] cellBackground = item.cellBackground; - Color [] temp = new Color [columnCount - 1]; - System.arraycopy (cellBackground, 0, temp, 0, index); - System.arraycopy (cellBackground, index + 1, temp, index, columnCount - 1 - index); - item.cellBackground = temp; - } - if (item.cellForeground != null) { - Color [] cellForeground = item.cellForeground; - Color [] temp = new Color [columnCount - 1]; - System.arraycopy (cellForeground, 0, temp, 0, index); - System.arraycopy (cellForeground, index + 1, temp, index, columnCount - 1 - index); - item.cellForeground = temp; - } - if (item.cellFont != null) { - Font [] cellFont = item.cellFont; - Font [] temp = new Font [columnCount - 1]; - System.arraycopy (cellFont, 0, temp, 0, index); - System.arraycopy (cellFont, index + 1, temp, index, columnCount - 1 - index); - item.cellFont = temp; - } - } - } - } - - int oldIndex = indexOf (column.nsColumn); - - System.arraycopy (columns, index + 1, columns, index, --columnCount - index); - columns [columnCount] = null; - if (columnCount == 0) { - //TODO - reset attributes - firstColumn = column.nsColumn; - firstColumn.retain (); - /* - * Feature in Cocoa. If a column's width is too small to show any content - * then outlineView_objectValueForTableColumn_byItem is never invoked to - * query for item values, which is a problem for VIRTUAL Trees. The - * workaround is to ensure that, for 0-column Trees, the internal first - * column always has a minimal width that makes this call come in. - */ - firstColumn.setMinWidth (FIRST_COLUMN_MINIMUM_WIDTH); - firstColumn.setResizingMask (OS.NSTableColumnNoResizing); - setScrollWidth (); - } else { - if (index == 0) { - ((NSOutlineView)view).setOutlineTableColumn(columns[0].nsColumn); - } - ((NSOutlineView)view).removeTableColumn(column.nsColumn); - } - - NSArray array = ((NSOutlineView)view).tableColumns (); - int arraySize = (int)/*64*/array.count (); - for (int i = oldIndex; i < arraySize; i++) { - int /*long*/ columnId = array.objectAtIndex (i).id; - for (int j = 0; j < columnCount; j++) { - if (columns[j].nsColumn.id == columnId) { - columns [j].sendEvent (SWT.Move); - break; - } - } - } -} - -void destroyItem (TreeItem item) { - int count; - TreeItem[] items; - TreeItem parentItem = item.parentItem; - if (parentItem != null) { - count = parentItem.itemCount; - items = parentItem.items; - } else { - count = this.itemCount; - items = this.items; - } - int index = 0; - while (index < count) { - if (items [index] == item) break; - index++; - } - System.arraycopy (items, index + 1, items, index, --count - index); - items [count] = null; - if (parentItem != null) { - parentItem.itemCount = count; - } else { - this.itemCount = count; - } - reloadItem (parentItem, true); - setScrollWidth (); - if (this.itemCount == 0) imageBounds = null; -} - -boolean dragDetect(int x, int y, boolean filter, boolean[] consume) { - // Let Cocoa determine if a drag is starting and fire the notification when we get the callback. - return false; -} - -void drawInteriorWithFrame_inView (int /*long*/ id, int /*long*/ sel, NSRect rect, int /*long*/ view) { - boolean hooksErase = hooks (SWT.EraseItem); - boolean hooksPaint = hooks (SWT.PaintItem); - boolean hooksMeasure = hooks (SWT.MeasureItem); - - NSTextFieldCell cell = new NSTextFieldCell (id); - - NSOutlineView widget = (NSOutlineView)this.view; - int /*long*/ [] outValue = new int /*long*/ [1]; - OS.object_getInstanceVariable(id, Display.SWT_ROW, outValue); - TreeItem item = (TreeItem) display.getWidget (outValue [0]); - int /*long*/ rowIndex = widget.rowForItem(item.handle); - OS.object_getInstanceVariable(id, Display.SWT_COLUMN, outValue); - int /*long*/ tableColumn = outValue[0]; - int /*long*/ nsColumnIndex = widget.tableColumns().indexOfObjectIdenticalTo(new id(tableColumn)); - int columnIndex = 0; - for (int i=0; i<columnCount; i++) { - if (columns [i].nsColumn.id == tableColumn) { - columnIndex = i; - break; - } - } - - Color background = item.cellBackground != null ? item.cellBackground [columnIndex] : null; - if (background == null) background = item.background; - boolean drawBackground = background != null; - boolean drawForeground = true; - boolean isSelected = cell.isHighlighted(); - boolean drawSelection = isSelected; - boolean hasFocus = hooksErase && hasFocus (); - - Color selectionBackground = null, selectionForeground = null; - if (isSelected && (hooksErase || hooksPaint)) { - selectionForeground = Color.cocoa_new(display, hasFocus ? display.alternateSelectedControlTextColor : display.selectedControlTextColor); - selectionBackground = Color.cocoa_new(display, hasFocus ? display.alternateSelectedControlColor : display.secondarySelectedControlColor); - } - - NSSize contentSize = super.cellSize(id, OS.sel_cellSize); - NSImage image = cell.image(); - if (image != null) contentSize.width += imageBounds.width + IMAGE_GAP; - int contentWidth = (int)Math.ceil (contentSize.width); - NSSize spacing = widget.intercellSpacing(); - int itemHeight = (int)Math.ceil (widget.rowHeight() + spacing.height); - - NSRect cellRect = widget.rectOfColumn (nsColumnIndex); - cellRect.y = rect.y; - cellRect.height = rect.height + spacing.height; - if (columnCount == 0) { - NSRect rowRect = widget.rectOfRow (rowIndex); - cellRect.width = rowRect.width; - } - float /*double*/ offsetX = 0, offsetY = 0; - if (hooksPaint || hooksErase) { - NSRect frameCell = widget.frameOfCellAtColumn(nsColumnIndex, rowIndex); - offsetX = rect.x - frameCell.x; - offsetY = rect.y - frameCell.y; - if (drawExpansion) { - offsetX -= 0.5f; - offsetY -= 0.5f; - } - } - int itemX = (int)(rect.x - offsetX), itemY = (int)(rect.y - offsetY); - NSGraphicsContext context = NSGraphicsContext.currentContext (); - - if (hooksMeasure) { - sendMeasureItem(item, columnIndex, contentSize); - } - - Color userForeground = null; - if (hooksErase) { - context.saveGraphicsState(); - NSAffineTransform transform = NSAffineTransform.transform(); - transform.translateXBy(offsetX, offsetY); - transform.concat(); - - GCData data = new GCData (); - data.paintRect = cellRect; - GC gc = GC.cocoa_new (this, data); - gc.setFont (item.getFont (columnIndex)); - if (isSelected) { - gc.setForeground (selectionForeground); - gc.setBackground (selectionBackground); - } else { - gc.setForeground (item.getForeground (columnIndex)); - gc.setBackground (item.getBackground (columnIndex)); - } - if (!drawExpansion) { - gc.setClipping ((int)(cellRect.x - offsetX), (int)(cellRect.y - offsetY), (int)cellRect.width, (int)cellRect.height); - } - Event event = new Event (); - event.item = item; - event.gc = gc; - event.index = columnIndex; - event.detail = SWT.FOREGROUND; - if (drawBackground) event.detail |= SWT.BACKGROUND; - if (isSelected) event.detail |= SWT.SELECTED; - event.x = (int)cellRect.x; - event.y = (int)cellRect.y; - event.width = (int)cellRect.width; - event.height = (int)cellRect.height; - sendEvent (SWT.EraseItem, event); - if (!event.doit) { - drawForeground = drawBackground = drawSelection = false; - } else { - drawBackground = drawBackground && (event.detail & SWT.BACKGROUND) != 0; - drawForeground = (event.detail & SWT.FOREGROUND) != 0; - drawSelection = drawSelection && (event.detail & SWT.SELECTED) != 0; - } - if (!drawSelection && isSelected) { - userForeground = Color.cocoa_new(display, gc.getForeground().handle); - } - gc.dispose (); - - context.restoreGraphicsState(); - - if (isDisposed ()) return; - if (item.isDisposed ()) return; - - if (drawSelection && ((style & SWT.HIDE_SELECTION) == 0 || hasFocus)) { - cellRect.height -= spacing.height; - callSuper (widget.id, OS.sel_highlightSelectionInClipRect_, cellRect); - cellRect.height += spacing.height; - } - } - - if (drawBackground && !drawSelection) { - context.saveGraphicsState (); - float /*double*/ [] colorRGB = background.handle; - NSColor color = NSColor.colorWithDeviceRed (colorRGB[0], colorRGB[1], colorRGB[2], 1f); - color.setFill (); - NSBezierPath.fillRect (cellRect); - context.restoreGraphicsState (); - } - - if (insertItem != null && !insertItem.isDisposed()) { - context.saveGraphicsState (); - NSRect contentRect = cell.titleRectForBounds (rect); - GCData data = new GCData (); - data.paintRect = contentRect; - GC gc = GC.cocoa_new (this, data); - gc.setClipping ((int)(contentRect.x - offsetX), (int)(contentRect.y - offsetY), (int)contentRect.width, (int)contentRect.height); - Rectangle itemRect = insertItem.getImageBounds(0).union(insertItem.getBounds()); - Rectangle clientRect = getClientArea(); - int x = clientRect.x + clientRect.width; - int posY = insertBefore ? itemRect.y : itemRect.y + itemRect.height - 1; - gc.drawLine(itemRect.x, posY, x, posY); - gc.dispose (); - context.restoreGraphicsState (); - } - - if (drawForeground) { - if ((!drawExpansion || hooksMeasure) && image != null) { - NSRect destRect = new NSRect(); - destRect.x = rect.x + IMAGE_GAP; - destRect.y = rect.y + (float)Math.ceil((rect.height - imageBounds.height) / 2); - destRect.width = imageBounds.width; - destRect.height = imageBounds.height; - NSRect srcRect = new NSRect(); - NSSize size = image.size(); - srcRect.width = size.width; - srcRect.height = size.height; - context.saveGraphicsState(); - NSBezierPath.bezierPathWithRect(rect).addClip(); - NSAffineTransform transform = NSAffineTransform.transform(); - transform.scaleXBy(1, -1); - transform.translateXBy(0, -(destRect.height + 2 * destRect.y)); - transform.concat(); - image.drawInRect(destRect, srcRect, OS.NSCompositeSourceOver, 1); - context.restoreGraphicsState(); - int imageWidth = imageBounds.width + IMAGE_GAP; - rect.x += imageWidth; - rect.width -= imageWidth; - } - cell.setHighlighted (false); - boolean callSuper = false; - if (userForeground != null) { - /* - * Bug in Cocoa. For some reason, it is not possible to change the - * foreground color to black when the cell is highlighted. The text - * still draws white. The fix is to draw the text and not call super. - */ - float /*double*/ [] color = userForeground.handle; - if (color[0] == 0 && color[1] == 0 && color[2] == 0 && color[3] == 1) { - NSMutableAttributedString newStr = new NSMutableAttributedString(cell.attributedStringValue().mutableCopy()); - NSRange range = new NSRange(); - range.length = newStr.length(); - newStr.removeAttribute(OS.NSForegroundColorAttributeName, range); - NSRect newRect = new NSRect(); - newRect.x = rect.x + TEXT_GAP; - newRect.y = rect.y; - newRect.width = rect.width - TEXT_GAP; - newRect.height = rect.height; - NSSize size = newStr.size(); - if (newRect.height > size.height) { - newRect.y += (newRect.height - size.height) / 2; - newRect.height = size.height; - } - newStr.drawInRect(newRect); - newStr.release(); - } else { - NSColor nsColor = NSColor.colorWithDeviceRed(color[0], color[1], color[2], color[3]); - cell.setTextColor(nsColor); - callSuper = true; - } - } else { - callSuper = true; - } - if (callSuper) { - NSAttributedString attrStr = cell.attributedStringValue(); - NSSize size = attrStr.size(); - if (rect.height > size.height) { - rect.y += (rect.height - size.height) / 2; - rect.height = size.height; - } - super.drawInteriorWithFrame_inView(id, sel, rect, view); - } - } - - if (hooksPaint) { - context.saveGraphicsState(); - NSAffineTransform transform = NSAffineTransform.transform(); - transform.translateXBy(offsetX, offsetY); - transform.concat(); - - GCData data = new GCData (); - data.paintRect = cellRect; - GC gc = GC.cocoa_new (this, data); - gc.setFont (item.getFont (columnIndex)); - if (drawSelection) { - gc.setForeground (selectionForeground); - gc.setBackground (selectionBackground); - } else { - gc.setForeground (userForeground != null ? userForeground : item.getForeground (columnIndex)); - gc.setBackground (item.getBackground (columnIndex)); - } - if (!drawExpansion) { - gc.setClipping ((int)(cellRect.x - offsetX), (int)(cellRect.y - offsetY), (int)cellRect.width, (int)cellRect.height); - } - Event event = new Event (); - event.item = item; - event.gc = gc; - event.index = columnIndex; - if (drawForeground) event.detail |= SWT.FOREGROUND; - if (drawBackground) event.detail |= SWT.BACKGROUND; - if (drawSelection) event.detail |= SWT.SELECTED; - event.x = itemX; - event.y = itemY; - event.width = contentWidth; - event.height = itemHeight; - sendEvent (SWT.PaintItem, event); - gc.dispose (); - - context.restoreGraphicsState(); - } -} - -void drawWithExpansionFrame_inView (int /*long*/ id, int /*long*/ sel, NSRect cellFrame, int /*long*/ view) { - drawExpansion = true; - super.drawWithExpansionFrame_inView(id, sel, cellFrame, view); - drawExpansion = false; -} - -void expandItem_expandChildren (int /*long*/ id, int /*long*/ sel, int /*long*/ itemID, boolean children) { - TreeItem item = (TreeItem)display.getWidget(itemID); - if (!ignoreExpand) item.sendExpand (true, children); - ignoreExpand = true; - super.expandItem_expandChildren (id, sel, itemID, children); - ignoreExpand = false; - if (isDisposed() || item.isDisposed()) return; - if (!children) { - ignoreExpand = true; - TreeItem[] items = item.items; - for (int i = 0; i < item.itemCount; i++) { - if (items[i] != null) items[i].updateExpanded (); - } - ignoreExpand = false; - } - setScrollWidth (false, item.items, true); -} - -NSRect expansionFrameWithFrame_inView(int /*long*/ id, int /*long*/ sel, NSRect cellRect, int /*long*/ view) { - if (toolTipText == null) { - NSRect rect = super.expansionFrameWithFrame_inView(id, sel, cellRect, view); - NSCell cell = new NSCell(id); - if (rect.width != 0 && rect.height != 0) { - if (hooks(SWT.MeasureItem)) { - NSSize cellSize = cell.cellSize(); - cellRect.width = cellSize.width; - return cellRect; - } - } else { - NSRect expansionRect; - if (hooks(SWT.MeasureItem)) { - expansionRect = cellRect; - NSSize cellSize = cell.cellSize(); - expansionRect.width = cellSize.width; - } else { - expansionRect = cell.titleRectForBounds(cellRect); - NSSize cellSize = super.cellSize(id, OS.sel_cellSize); - expansionRect.width = cellSize.width; - } - NSRect contentRect = scrollView.contentView().bounds(); - OS.NSIntersectionRect(contentRect, expansionRect, contentRect); - if (!OS.NSEqualRects(expansionRect, contentRect)) { - return expansionRect; - } - } - return rect; - } - return new NSRect(); -} - -Widget findTooltip (NSPoint pt) { - NSTableView widget = (NSTableView)view; - NSTableHeaderView headerView = widget.headerView(); - if (headerView != null) { - pt = headerView.convertPoint_fromView_ (pt, null); - int /*long*/ index = headerView.columnAtPoint (pt); - if (index != -1) { - NSArray nsColumns = widget.tableColumns (); - id nsColumn = nsColumns.objectAtIndex (index); - for (int i = 0; i < columnCount; i++) { - TreeColumn column = columns [i]; - if (column.nsColumn.id == nsColumn.id) { - return column; - } - } - } - } - return super.findTooltip (pt); -} - -int getCheckColumnWidth () { - return (int)checkColumn.dataCell().cellSize().width; -} - -public Rectangle getClientArea () { - checkWidget (); - Rectangle rect = super.getClientArea (); - NSTableHeaderView headerView = ((NSTableView) view).headerView (); - if (headerView != null) { - int height = (int) headerView.bounds ().height; - rect.y -= height; - rect.height += height; - } - return rect; -} - -TreeColumn getColumn (id id) { - for (int i = 0; i < columnCount; i++) { - if (columns[i].nsColumn.id == id.id) { - return columns[i]; - } - } - return null; -} - -/** - * Returns the column at the given, zero-relative index in the - * receiver. Throws an exception if the index is out of range. - * Columns are returned in the order that they were created. - * If no <code>TreeColumn</code>s were created by the programmer, - * this method will throw <code>ERROR_INVALID_RANGE</code> despite - * the fact that a single column of data may be visible in the tree. - * This occurs when the programmer uses the tree like a list, adding - * items but never creating a column. - * - * @param index the index of the column to return - * @return the column at the given index - * - * @exception IllegalArgumentException <ul> - * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)</li> - * </ul> - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - * - * @see Tree#getColumnOrder() - * @see Tree#setColumnOrder(int[]) - * @see TreeColumn#getMoveable() - * @see TreeColumn#setMoveable(boolean) - * @see SWT#Move - * - * @since 3.1 - */ -public TreeColumn getColumn (int index) { - checkWidget (); - if (!(0 <=index && index < columnCount)) error (SWT.ERROR_INVALID_RANGE); - return columns [index]; -} - -/** - * Returns the number of columns contained in the receiver. - * If no <code>TreeColumn</code>s were created by the programmer, - * this value is zero, despite the fact that visually, one column - * of items may be visible. This occurs when the programmer uses - * the tree like a list, adding items but never creating a column. - * - * @return the number of columns - * - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - * - * @since 3.1 - */ -public int getColumnCount () { - checkWidget (); - return columnCount; -} - -/** - * Returns an array of zero-relative integers that map - * the creation order of the receiver's items to the - * order in which they are currently being displayed. - * <p> - * Specifically, the indices of the returned array represent - * the current visual order of the items, and the contents - * of the array represent the creation order of the items. - * </p><p> - * Note: This is not the actual structure used by the receiver - * to maintain its list of items, so modifying the array will - * not affect the receiver. - * </p> - * - * @return the current visual order of the receiver's items - * - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - * - * @see Tree#setColumnOrder(int[]) - * @see TreeColumn#getMoveable() - * @see TreeColumn#setMoveable(boolean) - * @see SWT#Move - * - * @since 3.2 - */ -public int [] getColumnOrder () { - checkWidget (); - int [] order = new int [columnCount]; - for (int i = 0; i < columnCount; i++) { - TreeColumn column = columns [i]; - int index = indexOf (column.nsColumn); - if ((style & SWT.CHECK) != 0) index -= 1; - order [index] = i; - } - return order; -} - -/** - * Returns an array of <code>TreeColumn</code>s which are the - * columns in the receiver. Columns are returned in the order - * that they were created. If no <code>TreeColumn</code>s were - * created by the programmer, the array is empty, despite the fact - * that visually, one column of items may be visible. This occurs - * when the programmer uses the tree like a list, adding items but - * never creating a column. - * <p> - * Note: This is not the actual structure used by the receiver - * to maintain its list of items, so modifying the array will - * not affect the receiver. - * </p> - * - * @return the items in the receiver - * - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - * - * @see Tree#getColumnOrder() - * @see Tree#setColumnOrder(int[]) - * @see TreeColumn#getMoveable() - * @see TreeColumn#setMoveable(boolean) - * @see SWT#Move - * - * @since 3.1 - */ -public TreeColumn [] getColumns () { - checkWidget (); - TreeColumn [] result = new TreeColumn [columnCount]; - System.arraycopy (columns, 0, result, 0, columnCount); - return result; -} - -/** - * Returns the width in pixels of a grid line. - * - * @return the width of a grid line in pixels - * - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - * - * @since 3.1 - */ -public int getGridLineWidth () { - checkWidget (); - return 0; -} - -/** - * Returns the height of the receiver's header - * - * @return the height of the header or zero if the header is not visible - * - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - * - * @since 3.1 - */ -public int getHeaderHeight () { - checkWidget (); - NSTableHeaderView headerView = ((NSOutlineView) view).headerView (); - if (headerView == null) return 0; - return (int) headerView.bounds ().height; -} - -/** - * Returns <code>true</code> if the receiver's header is visible, - * and <code>false</code> otherwise. - * <p> - * If one of the receiver's ancestors is not visible or some - * other condition makes the receiver not visible, this method - * may still indicate that it is considered visible even though - * it may not actually be showing. - * </p> - * - * @return the receiver's header's visibility state - * - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - * - * @since 3.1 - */ -public boolean getHeaderVisible () { - checkWidget (); - return ((NSOutlineView) view).headerView () != null; -} - -/** - * Returns the item at the given, zero-relative index in the - * receiver. Throws an exception if the index is out of range. - * - * @param index the index of the item to return - * @return the item at the given index - * - * @exception IllegalArgumentException <ul> - * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)</li> - * </ul> - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - * - * @since 3.1 - */ -public TreeItem getItem (int index) { - checkWidget (); - int count = getItemCount (); - if (index < 0 || index >= count) error (SWT.ERROR_INVALID_RANGE); - return _getItem (null, index, true); -} - -/** - * Returns the item at the given point in the receiver - * or null if no such item exists. The point is in the - * coordinate system of the receiver. - * <p> - * The item that is returned represents an item that could be selected by the user. - * For example, if selection only occurs in items in the first column, then null is - * returned if the point is outside of the item. - * Note that the SWT.FULL_SELECTION style hint, which specifies the selection policy, - * determines the extent of the selection. - * </p> - * - * @param point the point used to locate the item - * @return the item at the given point, or null if the point is not in a selectable item - * - * @exception IllegalArgumentException <ul> - * <li>ERROR_NULL_ARGUMENT - if the point is null</li> - * </ul> - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - */ -public TreeItem getItem (Point point) { - checkWidget (); - if (point == null) error (SWT.ERROR_NULL_ARGUMENT); - checkItems (); - NSOutlineView widget = (NSOutlineView)view; - NSPoint pt = new NSPoint(); - pt.x = point.x; - pt.y = point.y; - int row = (int)/*64*/widget.rowAtPoint(pt); - if (row == -1) return null; - NSRect rect = widget.frameOfOutlineCellAtRow(row); - if (OS.NSPointInRect(pt, rect)) return null; - id id = widget.itemAtRow(row); - Widget item = display.getWidget (id.id); - if (item != null && item instanceof TreeItem) { - return (TreeItem)item; - } - return null; -} - -/** - * Returns the number of items contained in the receiver - * that are direct item children of the receiver. The - * number that is returned is the number of roots in the - * tree. - * - * @return the number of items - * - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - */ -public int getItemCount () { - checkWidget (); - return itemCount; -} - -int getItemCount (TreeItem item) { - return item == null ? itemCount : item.itemCount; -} - -/** - * Returns the height of the area which would be used to - * display <em>one</em> of the items in the tree. - * - * @return the height of one item - * - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - */ -public int getItemHeight () { - checkWidget (); - return (int)((NSOutlineView) view).rowHeight () + CELL_GAP; -} - -/** - * Returns a (possibly empty) array of items contained in the - * receiver that are direct item children of the receiver. These - * are the roots of the tree. - * <p> - * Note: This is not the actual structure used by the receiver - * to maintain its list of items, so modifying the array will - * not affect the receiver. - * </p> - * - * @return the items - * - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - */ -public TreeItem [] getItems () { - checkWidget (); - TreeItem [] result = new TreeItem [itemCount]; - for (int i=0; i<itemCount; i++) { - result [i] = _getItem (null, i, true); - } - return result; -} - -/** - * Returns <code>true</code> if the receiver's lines are visible, - * and <code>false</code> otherwise. Note that some platforms draw - * grid lines while others may draw alternating row colors. - * <p> - * If one of the receiver's ancestors is not visible or some - * other condition makes the receiver not visible, this method - * may still indicate that it is considered visible even though - * it may not actually be showing. - * </p> - * - * @return the visibility state of the lines - * - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - * - * @since 3.1 - */ -public boolean getLinesVisible () { - checkWidget (); - return ((NSOutlineView) view).usesAlternatingRowBackgroundColors (); -} - -/** - * Returns the receiver's parent item, which must be a - * <code>TreeItem</code> or null when the receiver is a - * root. - * - * @return the receiver's parent item - * - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - */ -public TreeItem getParentItem () { - checkWidget (); - return null; -} - -/** - * Returns an array of <code>TreeItem</code>s that are currently - * selected in the receiver. The order of the items is unspecified. - * An empty array indicates that no items are selected. - * <p> - * Note: This is not the actual structure used by the receiver - * to maintain its selection, so modifying the array will - * not affect the receiver. - * </p> - * @return an array representing the selection - * - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - */ -public TreeItem [] getSelection () { - checkWidget (); - NSOutlineView widget = (NSOutlineView) view; - if (widget.numberOfSelectedRows () == 0) { - return new TreeItem [0]; - } - NSIndexSet selection = widget.selectedRowIndexes (); - int count = (int)/*64*/selection.count (); - int /*long*/ [] indexBuffer = new int /*long*/ [count]; - selection.getIndexes (indexBuffer, count, 0); - TreeItem [] result = new TreeItem [count]; - for (int i=0; i<count; i++) { - id id = widget.itemAtRow (indexBuffer [i]); - Widget item = display.getWidget (id.id); - if (item != null && item instanceof TreeItem) { - result[i] = (TreeItem) item; - } - } - 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 (); - return (int)/*64*/((NSOutlineView) view).numberOfSelectedRows (); -} - -/** - * Returns the column which shows the sort indicator for - * the receiver. The value may be null if no column shows - * the sort indicator. - * - * @return the sort indicator - * - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - * - * @see #setSortColumn(TreeColumn) - * - * @since 3.2 - */ -public TreeColumn getSortColumn () { - checkWidget (); - return sortColumn; -} - -/** - * Returns the direction of the sort indicator for the receiver. - * The value will be one of <code>UP</code>, <code>DOWN</code> - * or <code>NONE</code>. - * - * @return the sort direction - * - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - * - * @see #setSortDirection(int) - * - * @since 3.2 - */ -public int getSortDirection () { - checkWidget (); - return sortDirection; -} - -/** - * Returns the item which is currently at the top of the receiver. - * This item can change when items are expanded, collapsed, scrolled - * or new items are added or removed. - * - * @return the item at the top of the receiver - * - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - * - * @since 2.1 - */ -public TreeItem getTopItem () { - checkWidget (); - //TODO - partial item at the top - NSRect rect = scrollView.documentVisibleRect (); - NSPoint point = new NSPoint (); - point.x = rect.x; - point.y = rect.y; - NSOutlineView outlineView = (NSOutlineView)view; - int /*long*/ index = outlineView.rowAtPoint (point); - if (index == -1) return null; /* empty */ - id item = outlineView.itemAtRow (index); - return (TreeItem)display.getWidget (item.id); -} - -void highlightSelectionInClipRect(int /*long*/ id, int /*long*/ sel, int /*long*/ rect) { - if (hooks (SWT.EraseItem)) return; - if ((style & SWT.HIDE_SELECTION) != 0 && !hasFocus()) return; - NSRect clipRect = new NSRect (); - OS.memmove (clipRect, rect, NSRect.sizeof); - callSuper (id, sel, clipRect); -} - -int /*long*/ hitTestForEvent (int /*long*/ id, int /*long*/ sel, int /*long*/ event, NSRect rect, int /*long*/ controlView) { - /* - * For some reason, the cell class needs to implement hitTestForEvent:inRect:ofView:, - * otherwise the double action selector is not called properly. - */ - return callSuper(id, sel, event, rect, controlView); -} - -int /*long*/ image (int /*long*/ id, int /*long*/ sel) { - int /*long*/ [] image = new int /*long*/ [1]; - OS.object_getInstanceVariable(id, Display.SWT_IMAGE, image); - return image[0]; -} - -NSRect imageRectForBounds (int /*long*/ id, int /*long*/ sel, NSRect cellFrame) { - NSImage image = new NSCell(id).image(); - if (image != null) { - cellFrame.x += IMAGE_GAP; - cellFrame.width = imageBounds.width; - cellFrame.height = imageBounds.height; - } - return cellFrame; -} - -int indexOf (NSTableColumn column) { - return (int)/*64*/((NSTableView)view).tableColumns().indexOfObjectIdenticalTo(column); -} - -/** - * Searches the receiver's list starting at the first column - * (index 0) until a column is found that is equal to the - * argument, and returns the index of that column. If no column - * is found, returns -1. - * - * @param column the search column - * @return the index of the column - * - * @exception IllegalArgumentException <ul> - * <li>ERROR_NULL_ARGUMENT - if the column is null</li> - * </ul> - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - * - * @since 3.1 - */ -public int indexOf (TreeColumn column) { - checkWidget (); - if (column == null) error (SWT.ERROR_NULL_ARGUMENT); - if (column.isDisposed ()) error (SWT.ERROR_INVALID_ARGUMENT); - for (int i=0; i<columnCount; i++) { - if (columns [i] == column) return i; - } - return -1; -} - -/** - * Searches the receiver's list starting at the first item - * (index 0) until an item is found that is equal to the - * argument, and returns the index of that item. If no item - * is found, returns -1. - * - * @param item the search item - * @return the index of the item - * - * @exception IllegalArgumentException <ul> - * <li>ERROR_NULL_ARGUMENT - if the item is null</li> - * <li>ERROR_INVALID_ARGUMENT - if the item has been disposed</li> - * </ul> - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - * - * @since 3.1 - */ -public int indexOf (TreeItem item) { - checkWidget (); - if (item == null) error (SWT.ERROR_NULL_ARGUMENT); - if (item.isDisposed ()) error (SWT.ERROR_INVALID_ARGUMENT); - if (item.parentItem != null) return -1; - for (int i = 0; i < itemCount; i++) { - if (item == items[i]) return i; - } - return -1; -} - -boolean isTrim (NSView view) { - if (super.isTrim (view)) return true; - return view.id == headerView.id; -} - -int /*long*/ menuForEvent(int /*long*/ id, int /*long*/ sel, int /*long*/ theEvent) { - if (id != headerView.id) { - /* - * Feature in Cocoa: Table views do not change the selection when the user - * right-clicks or control-clicks on an NSTableView or its subclasses. Fix is to select the - * clicked-on row ourselves. - */ - NSEvent event = new NSEvent(theEvent); - NSOutlineView tree = (NSOutlineView)view; - - // get the current selections for the outline view. - NSIndexSet selectedRowIndexes = tree.selectedRowIndexes(); - - // select the row that was clicked before showing the menu for the event - NSPoint mousePoint = view.convertPoint_fromView_(event.locationInWindow(), null); - int /*long*/ row = tree.rowAtPoint(mousePoint); - - // figure out if the row that was just clicked on is currently selected - if (selectedRowIndexes.containsIndex(row) == false) { - NSIndexSet set = (NSIndexSet)new NSIndexSet().alloc(); - set = set.initWithIndex(row); - tree.selectRowIndexes (set, false); - set.release(); - } - // else that row is currently selected, so don't change anything. - } - - return super.menuForEvent(id, sel, theEvent); -} - -void mouseDown (int /*long*/ id, int /*long*/ sel, int /*long*/ theEvent) { - if (headerView != null && id == headerView.id) { - NSTableView widget = (NSTableView)view; - widget.setAllowsColumnReordering(false); - NSPoint pt = headerView.convertPoint_fromView_(new NSEvent(theEvent).locationInWindow(), null); - int /*long*/ nsIndex = headerView.columnAtPoint(pt); - if (nsIndex != -1) { - id nsColumn = widget.tableColumns().objectAtIndex(nsIndex); - for (int i = 0; i < columnCount; i++) { - if (columns[i].nsColumn.id == nsColumn.id) { - widget.setAllowsColumnReordering(columns[i].movable); - break; - } - } - } - } - else if (id == view.id) { - // Bug/feature in Cocoa: If the tree has a context menu we just set it visible instead of returning - // it from menuForEvent:. This has the side effect, however, of sending control-click to the NSTableView, - // which is interpreted as a single click that clears the selection. Fix is to ignore control-click, - NSEvent event = new NSEvent(theEvent); - if ((event.modifierFlags() & OS.NSControlKeyMask) != 0) return; - } - super.mouseDown(id, sel, theEvent); -} - -/* - * Feature in Cocoa. If a checkbox is in multi-state mode, nextState cycles - * from off to mixed to on and back to off again. This will cause the on state - * to momentarily appear while clicking on the checkbox. To avoid this, - * override [NSCell nextState] to go directly to the desired state. - */ -int /*long*/ nextState (int /*long*/ id, int /*long*/ sel) { - NSOutlineView outlineView = (NSOutlineView)view; - int index = (int)/*64*/outlineView.selectedRow (); - TreeItem item = (TreeItem)display.getWidget (outlineView.itemAtRow (index).id); - if (item.grayed) { - return item.checked ? OS.NSOffState : OS.NSMixedState; - } - return item.checked ? OS.NSOffState : OS.NSOnState; -} - -int /*long*/ outlineView_child_ofItem (int /*long*/ id, int /*long*/ sel, int /*long*/ outlineView, int /*long*/ index, int /*long*/ itemID) { - TreeItem parent = (TreeItem) display.getWidget (itemID); - TreeItem item = _getItem (parent, (int)/*64*/index, true); - return item.handle.id; -} - -void outlineView_didClickTableColumn (int /*long*/ id, int /*long*/ sel, int /*long*/ outlineView, int /*long*/ tableColumn) { - TreeColumn column = getColumn (new id (tableColumn)); - if (column == null) return; /* either CHECK column or firstColumn in 0-column Tree */ - column.postEvent (SWT.Selection); -} - -int /*long*/ outlineView_objectValueForTableColumn_byItem (int /*long*/ id, int /*long*/ sel, int /*long*/ outlineView, int /*long*/ tableColumn, int /*long*/ itemID) { - TreeItem item = (TreeItem) display.getWidget (itemID); - checkData (item); - if (checkColumn != null && tableColumn == checkColumn.id) { - NSNumber value; - if (item.checked && item.grayed) { - value = NSNumber.numberWithInt (OS.NSMixedState); - } else { - value = NSNumber.numberWithInt (item.checked ? OS.NSOnState : OS.NSOffState); - } - return value.id; - } - for (int i=0; i<columnCount; i++) { - if (columns [i].nsColumn.id == tableColumn) { - return item.createString (i).id; - } - } - return item.createString (0).id; -} - -boolean outlineView_isItemExpandable (int /*long*/ id, int /*long*/ sel, int /*long*/ outlineView, int /*long*/ item) { - if (item == 0) return true; - return ((TreeItem) display.getWidget (item)).itemCount != 0; -} - -int /*long*/ outlineView_numberOfChildrenOfItem (int /*long*/ id, int /*long*/ sel, int /*long*/ outlineView, int /*long*/ item) { - if (item == 0) return itemCount; - return ((TreeItem) display.getWidget (item)).itemCount; -} - -void outlineView_willDisplayCell_forTableColumn_item (int /*long*/ id, int /*long*/ sel, int /*long*/ outlineView, int /*long*/ cell, int /*long*/ tableColumn, int /*long*/ itemID) { - if (checkColumn != null && tableColumn == checkColumn.id) return; - TreeItem item = (TreeItem) display.getWidget(itemID); - int index = 0; - for (int i=0; i<columnCount; i++) { - if (columns [i].nsColumn.id == tableColumn) { - index = i; - break; - } - } - NSTextFieldCell textCell = new NSTextFieldCell (cell); - OS.object_setInstanceVariable(cell, Display.SWT_ROW, itemID); - OS.object_setInstanceVariable(cell, Display.SWT_COLUMN, tableColumn); - Image image = index == 0 ? item.image : (item.images == null ? null : item.images [index]); - textCell.setImage (image != null ? image.handle : null); - NSColor color; - if (textCell.isEnabled()) { - if (textCell.isHighlighted ()) { - color = NSColor.selectedControlTextColor(); - } else { - Color foreground = item.cellForeground != null ? item.cellForeground [index] : null; - if (foreground == null) foreground = item.foreground; - if (foreground == null) foreground = getForegroundColor (); - color = NSColor.colorWithDeviceRed (foreground.handle [0], foreground.handle [1], foreground.handle [2], 1); - } - } else { - color = NSColor.disabledControlTextColor(); - } - int alignment = OS.NSLeftTextAlignment; - if (columnCount > 0) { - int style = columns [index].style; - if ((style & SWT.CENTER) != 0) { - alignment = OS.NSCenterTextAlignment; - } else if ((style & SWT.RIGHT) != 0) { - alignment = OS.NSRightTextAlignment; - } - } - Font font = item.cellFont != null ? item.cellFont [index] : null; - if (font == null) font = item.font; - if (font == null) font = this.font; - if (font == null) font = defaultFont (); - if (font.extraTraits != 0) { - NSMutableDictionary dict = ((NSMutableDictionary)new NSMutableDictionary().alloc()).initWithCapacity(5); - dict.setObject (color, OS.NSForegroundColorAttributeName); - dict.setObject (font.handle, OS.NSFontAttributeName); - addTraits(dict, font); - NSMutableParagraphStyle paragraphStyle = (NSMutableParagraphStyle)new NSMutableParagraphStyle ().alloc ().init (); - paragraphStyle.setLineBreakMode (OS.NSLineBreakByClipping); - paragraphStyle.setAlignment (alignment); - dict.setObject (paragraphStyle, OS.NSParagraphStyleAttributeName); - paragraphStyle.release (); - NSAttributedString attribStr = ((NSAttributedString) new NSAttributedString ().alloc ()).initWithString (textCell.title(), dict); - textCell.setAttributedStringValue(attribStr); - attribStr.release(); - dict.release(); - } else { - textCell.setFont(font.handle); - textCell.setTextColor(color); - textCell.setAlignment (alignment); - } -} - -void outlineViewColumnDidMove (int /*long*/ id, int /*long*/ sel, int /*long*/ aNotification) { - NSNotification notification = new NSNotification (aNotification); - NSDictionary userInfo = notification.userInfo (); - id nsOldIndex = userInfo.valueForKey (NSString.stringWith ("NSOldColumn")); //$NON-NLS-1$ - id nsNewIndex = userInfo.valueForKey (NSString.stringWith ("NSNewColumn")); //$NON-NLS-1$ - int oldIndex = new NSNumber (nsOldIndex).intValue (); - int newIndex = new NSNumber (nsNewIndex).intValue (); - int startIndex = Math.min (oldIndex, newIndex); - int endIndex = Math.max (oldIndex, newIndex); - NSOutlineView outlineView = (NSOutlineView)view; - NSArray nsColumns = outlineView.tableColumns (); - for (int i = startIndex; i <= endIndex; i++) { - id columnId = nsColumns.objectAtIndex (i); - TreeColumn column = getColumn (columnId); - if (column != null) { - column.sendEvent (SWT.Move); - if (isDisposed ()) return; - } - } -} - -void outlineViewColumnDidResize (int /*long*/ id, int /*long*/ sel, int /*long*/ aNotification) { - NSNotification notification = new NSNotification (aNotification); - NSDictionary userInfo = notification.userInfo (); - id columnId = userInfo.valueForKey (NSString.stringWith ("NSTableColumn")); //$NON-NLS-1$ - TreeColumn column = getColumn (columnId); - if (column == null) return; /* either CHECK column or firstColumn in 0-column Tree */ - - column.sendEvent (SWT.Resize); - if (isDisposed ()) return; - - NSOutlineView outlineView = (NSOutlineView)view; - int index = indexOf (column.nsColumn); - if (index == -1) return; /* column was disposed in Resize callback */ - - NSArray nsColumns = outlineView.tableColumns (); - int columnCount = (int)/*64*/outlineView.numberOfColumns (); - for (int i = index + 1; i < columnCount; i++) { - columnId = nsColumns.objectAtIndex (i); - column = getColumn (columnId); - if (column != null) { - column.sendEvent (SWT.Move); - if (isDisposed ()) return; - } - } -} - -void outlineViewSelectionDidChange (int /*long*/ id, int /*long*/ sel, int /*long*/ notification) { - if (ignoreSelect) return; - NSOutlineView widget = (NSOutlineView) view; - int row = (int)/*64*/widget.selectedRow (); - if (row == -1) - postEvent (SWT.Selection); - else { - id _id = widget.itemAtRow (row); - TreeItem item = (TreeItem) display.getWidget (_id.id); - Event event = new Event (); - event.item = item; - event.index = row; - postEvent (SWT.Selection, event); - } -} - -void outlineView_setObjectValue_forTableColumn_byItem (int /*long*/ id, int /*long*/ sel, int /*long*/ outlineView, int /*long*/ object, int /*long*/ tableColumn, int /*long*/ itemID) { - if (checkColumn != null && tableColumn == checkColumn.id) { - TreeItem item = (TreeItem) display.getWidget (itemID); - item.checked = !item.checked; - Event event = new Event (); - event.detail = SWT.CHECK; - event.item = item; - postEvent (SWT.Selection, event); - item.redraw (-1); - } -} - -boolean outlineView_writeItems_toPasteboard(int /*long*/ id, int /*long*/ sel, int /*long*/ arg0, int /*long*/ arg1, int /*long*/ arg2) { - return sendMouseEvent(NSApplication.sharedApplication().currentEvent(), SWT.DragDetect, true); -} - -void register () { - super.register (); - display.addWidget (headerView, this); - display.addWidget (dataCell, this); - if (buttonCell != null) display.addWidget (buttonCell, this); -} - -void releaseChildren (boolean destroy) { - for (int i=0; i<items.length; i++) { - TreeItem item = items [i]; - if (item != null && !item.isDisposed ()) { - item.release (false); - } - } - items = null; - if (columns != null) { - for (int i=0; i<columnCount; i++) { - TreeColumn column = columns [i]; - if (column != null && !column.isDisposed ()) { - column.release (false); - } - } - columns = null; - } - super.releaseChildren (destroy); -} - -void releaseHandle () { - super.releaseHandle (); - if (headerView != null) headerView.release (); - headerView = null; - if (firstColumn != null) firstColumn.release (); - firstColumn = null; - if (checkColumn != null) checkColumn.release (); - checkColumn = null; - if (dataCell != null) dataCell.release (); - dataCell = null; - if (buttonCell != null) buttonCell.release(); - buttonCell = null; -} - -void releaseWidget () { - super.releaseWidget (); - sortColumn = null; -} - -void reloadItem (TreeItem item, boolean recurse) { - if (getDrawing()) { - NSOutlineView widget = (NSOutlineView)view; - TreeItem[] selectedItems = getSelection (); - if (item != null) { - widget.reloadItem (item.handle, recurse); - } else { - widget.reloadData (); - } - selectItems (selectedItems, true); - } else { - reloadPending = true; - } -} - -/** - * Removes all of the items from the receiver. - * - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - */ -public void removeAll () { - checkWidget (); - for (int i=0; i<items.length; i++) { - TreeItem item = items [i]; - if (item != null && !item.isDisposed ()) item.release (false); - } - items = new TreeItem [4]; - itemCount = 0; - imageBounds = null; - ((NSOutlineView) view).reloadData (); - setScrollWidth (); -} - -/** - * Removes the listener from the collection of listeners who will - * be notified when the user changes the receiver's selection. - * - * @param listener the listener which should no longer be notified - * - * @exception IllegalArgumentException <ul> - * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> - * </ul> - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - * - * @see SelectionListener - * @see #addSelectionListener - */ -public void removeSelectionListener (SelectionListener listener) { - checkWidget (); - if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); - eventTable.unhook (SWT.Selection, listener); - eventTable.unhook (SWT.DefaultSelection, listener); -} - -/** - * Removes the listener from the collection of listeners who will - * be notified when items in the receiver are expanded or collapsed. - * - * @param listener the listener which should no longer be notified - * - * @exception IllegalArgumentException <ul> - * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> - * </ul> - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - * - * @see TreeListener - * @see #addTreeListener - */ -public void removeTreeListener (TreeListener listener) { - checkWidget (); - if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); - if (eventTable == null) return; - eventTable.unhook (SWT.Expand, listener); - eventTable.unhook (SWT.Collapse, listener); -} - -void setImage (int /*long*/ id, int /*long*/ sel, int /*long*/ arg0) { - OS.object_setInstanceVariable(id, Display.SWT_IMAGE, arg0); -} - -/** - * Display a mark indicating the point at which an item will be inserted. - * The drop insert item has a visual hint to show where a dragged item - * will be inserted when dropped on the tree. - * - * @param item the insert item. Null will clear the insertion mark. - * @param before true places the insert mark above 'item'. false places - * the insert mark below 'item'. - * - * @exception IllegalArgumentException <ul> - * <li>ERROR_INVALID_ARGUMENT - if the item has been disposed</li> - * </ul> - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - */ -public void setInsertMark (TreeItem item, boolean before) { - checkWidget (); - if (item != null && item.isDisposed()) error(SWT.ERROR_INVALID_ARGUMENT); - TreeItem oldMark = insertItem; - insertItem = item; - insertBefore = before; - if (oldMark != null && !oldMark.isDisposed()) oldMark.redraw (-1); - if (item != null) item.redraw (-1); -} - -/** - * Selects all of the items in the receiver. - * <p> - * If the receiver is single-select, do nothing. - * </p> - * - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - */ -public void selectAll () { - checkWidget (); - if ((style & SWT.SINGLE) != 0) return; - checkItems (); - NSOutlineView widget = (NSOutlineView) view; - ignoreSelect = true; - widget.selectAll (null); - ignoreSelect = false; -} - -/** - * Selects an item in the receiver. If the item was already - * selected, it remains selected. - * - * @param item the item to be selected - * - * @exception IllegalArgumentException <ul> - * <li>ERROR_NULL_ARGUMENT - if the item is null</li> - * <li>ERROR_INVALID_ARGUMENT - if the item has been disposed</li> - * </ul> - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - * - * @since 3.4 - */ -public void select (TreeItem item) { - checkWidget (); - if (item == null) error (SWT.ERROR_NULL_ARGUMENT); - if (item.isDisposed ()) error (SWT.ERROR_INVALID_ARGUMENT); - checkItems (); - showItem (item); - NSOutlineView outlineView = (NSOutlineView) view; - int /*long*/ row = outlineView.rowForItem (item.handle); - NSIndexSet set = (NSIndexSet)new NSIndexSet().alloc(); - set = set.initWithIndex(row); - ignoreSelect = true; - outlineView.selectRowIndexes (set, false); - ignoreSelect = false; - set.release(); -} - -void sendDoubleSelection() { - NSOutlineView outlineView = (NSOutlineView)view; - int rowIndex = (int)/*64*/outlineView.clickedRow (); - if (rowIndex != -1) { - if ((style & SWT.CHECK) != 0) { - NSArray columns = outlineView.tableColumns (); - int columnIndex = (int)/*64*/outlineView.clickedColumn (); - id column = columns.objectAtIndex (columnIndex); - if (column.id == checkColumn.id) return; - } - TreeItem item = (TreeItem) display.getWidget (outlineView.itemAtRow (rowIndex).id); - Event event = new Event (); - event.item = item; - postEvent (SWT.DefaultSelection, event); - } -} - -boolean sendKeyEvent (NSEvent nsEvent, int type) { - boolean result = super.sendKeyEvent (nsEvent, type); - if (!result) return result; - if (type != SWT.KeyDown) return result; - short keyCode = nsEvent.keyCode (); - switch (keyCode) { - case 76: /* KP Enter */ - case 36: { /* Return */ - postEvent (SWT.DefaultSelection); - break; - } - } - return result; -} - -void sendMeasureItem (TreeItem item, int columnIndex, NSSize size) { - NSOutlineView widget = (NSOutlineView)this.view; - int contentWidth = (int)Math.ceil (size.width); - NSSize spacing = widget.intercellSpacing(); - int itemHeight = (int)Math.ceil (widget.rowHeight() + spacing.height); - GCData data = new GCData (); - data.paintRect = widget.frame (); - GC gc = GC.cocoa_new (this, data); - gc.setFont (item.getFont (columnIndex)); - Event event = new Event (); - event.item = item; - event.gc = gc; - event.index = columnIndex; - event.width = contentWidth; - event.height = itemHeight; - sendEvent (SWT.MeasureItem, event); - gc.dispose (); - if (!isDisposed () && !item.isDisposed ()) { - size.width = event.width; - size.height = event.height; - if (itemHeight < event.height) { - widget.setRowHeight (event.height); - } - if (contentWidth != event.width) { - if (columnCount == 0 && columnIndex == 0) { - item.width = event.width; - item.width += widget.indentationPerLevel () * (1 + widget.levelForItem (item.handle)); - if (setScrollWidth (item)) { - widget.setNeedsDisplay(true); - } - } - } - } -} - -void selectItems (TreeItem[] items, boolean ignoreDisposed) { - NSOutlineView outlineView = (NSOutlineView) view; - NSMutableIndexSet set = (NSMutableIndexSet) new NSMutableIndexSet ().alloc ().init (); - int length = items.length; - for (int i=0; i<length; i++) { - if (items [i] != null) { - if (items [i].isDisposed ()) { - if (ignoreDisposed) continue; - error (SWT.ERROR_INVALID_ARGUMENT); - } - TreeItem item = items [i]; - if (!ignoreDisposed) showItem (items [i], false); - set.addIndex (outlineView.rowForItem (item.handle)); - } - } - ignoreSelect = true; - outlineView.selectRowIndexes (set, false); - ignoreSelect = false; - set.release(); -} - -NSRect titleRectForBounds (int /*long*/ id, int /*long*/ sel, NSRect cellFrame) { - NSImage image = new NSCell(id).image(); - if (image != null) { - int imageWidth = imageBounds.width + IMAGE_GAP; - cellFrame.x += imageWidth; - cellFrame.width -= imageWidth; - } - return cellFrame; -} - -void updateBackground () { - NSColor nsColor = null; - if (backgroundImage != null) { - nsColor = NSColor.colorWithPatternImage(backgroundImage.handle); - } else if (background != null) { - nsColor = NSColor.colorWithDeviceRed(background[0], background[1], background[2], background[3]); - } - ((NSOutlineView) view).setBackgroundColor (nsColor); -} - -/** - * Sets the order that the items in the receiver should - * be displayed in to the given argument which is described - * in terms of the zero-relative ordering of when the items - * were added. - * - * @param order the new order to display the items - * - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - * @exception IllegalArgumentException <ul> - * <li>ERROR_NULL_ARGUMENT - if the item order is null</li> - * <li>ERROR_INVALID_ARGUMENT - if the item order is not the same length as the number of items</li> - * </ul> - * - * @see Tree#getColumnOrder() - * @see TreeColumn#getMoveable() - * @see TreeColumn#setMoveable(boolean) - * @see SWT#Move - * - * @since 3.2 - */ -public void setColumnOrder (int [] order) { - checkWidget (); - if (order == null) error (SWT.ERROR_NULL_ARGUMENT); - if (columnCount == 0) { - if (order.length != 0) error (SWT.ERROR_INVALID_ARGUMENT); - return; - } - if (order.length != columnCount) error (SWT.ERROR_INVALID_ARGUMENT); - int [] oldOrder = getColumnOrder (); - boolean reorder = false; - boolean [] seen = new boolean [columnCount]; - for (int i=0; i<order.length; i++) { - int index = order [i]; - if (index < 0 || index >= columnCount) error (SWT.ERROR_INVALID_ARGUMENT); - if (seen [index]) error (SWT.ERROR_INVALID_ARGUMENT); - seen [index] = true; - if (order [i] != oldOrder [i]) reorder = true; - } - if (reorder) { - NSOutlineView outlineView = (NSOutlineView)view; - int [] oldX = new int [oldOrder.length]; - int check = (style & SWT.CHECK) != 0 ? 1 : 0; - for (int i=0; i<oldOrder.length; i++) { - int index = oldOrder[i]; - oldX [index] = (int)outlineView.rectOfColumn (i + check).x; - } - int [] newX = new int [order.length]; - for (int i=0; i<order.length; i++) { - int index = order [i]; - TreeColumn column = columns[index]; - int oldIndex = indexOf (column.nsColumn); - int newIndex = i + check; - outlineView.moveColumn (oldIndex, newIndex); - newX [index] = (int)outlineView.rectOfColumn (newIndex).x; - } - - TreeColumn[] newColumns = new TreeColumn [columnCount]; - System.arraycopy (columns, 0, newColumns, 0, columnCount); - for (int i=0; i<columnCount; i++) { - TreeColumn column = newColumns [i]; - if (!column.isDisposed ()) { - if (newX [i] != oldX [i]) { - column.sendEvent (SWT.Move); - } - } - } - } -} - -void setFont (NSFont font) { - super.setFont (font); - setItemHeight (null, font, !hooks (SWT.MeasureItem)); - view.setNeedsDisplay (true); - clearCachedWidth (items); - setScrollWidth (); -} - -/** - * Marks the receiver's header as visible if the argument is <code>true</code>, - * and marks it invisible otherwise. - * <p> - * If one of the receiver's ancestors is not visible or some - * other condition makes the receiver not visible, marking - * it visible may not actually cause it to be displayed. - * </p> - * - * @param show the new visibility state - * - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - * - * @since 3.1 - */ -public void setHeaderVisible (boolean show) { - checkWidget (); - ((NSOutlineView) view).setHeaderView (show ? headerView : null); -} - -/** - * Sets the number of root-level items contained in the receiver. - * - * @param count the number of items - * - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - * - * @since 3.2 - */ -public void setItemCount (int count) { - checkWidget (); - checkItems (); - count = Math.max (0, count); - setItemCount (null, count); -} - -void setItemCount (TreeItem parentItem, int count) { - int itemCount = getItemCount (parentItem); - if (count == itemCount) return; - NSOutlineView widget = (NSOutlineView) view; - int length = Math.max (4, (count + 3) / 4 * 4); - TreeItem [] children = parentItem == null ? items : parentItem.items; - boolean expanded = parentItem == null || parentItem.getExpanded(); - if (count < itemCount) { - /* - * Note that the item count has to be updated before the call to reloadItem(), but - * the items have to be released after. - */ - if (parentItem == null) { - this.itemCount = count; - } else { - parentItem.itemCount = count; - } - /* - * Bug in Cocoa. When removing selected items from an NSOutlineView, the selection - * is not properly updated. The fix is to ensure that the item and its subitems - * are deselected before the item is removed by the reloadItem call. - */ - if (expanded) { - for (int index = count; index < itemCount; index ++) { - TreeItem item = children [index]; - if (item != null && !item.isDisposed ()) item.clearSelection (); - } - } - TreeItem[] selectedItems = getSelection (); - widget.reloadItem (parentItem != null ? parentItem.handle : null, expanded); - selectItems (selectedItems, true); - for (int index = count; index < itemCount; index ++) { - TreeItem item = children [index]; - if (item != null && !item.isDisposed()) item.release (false); - } - TreeItem [] newItems = new TreeItem [length]; - if (children != null) { - System.arraycopy (children, 0, newItems, 0, count); - } - children = newItems; - if (parentItem == null) { - this.items = newItems; - } else { - parentItem.items = newItems; - } - } else { - if ((style & SWT.VIRTUAL) == 0) { - for (int i=itemCount; i<count; i++) { - new TreeItem (this, parentItem, SWT.NONE, i, true); - } - } else { - TreeItem [] newItems = new TreeItem [length]; - if (children != null) { - System.arraycopy (children, 0, newItems, 0, itemCount); - } - children = newItems; - if (parentItem == null) { - this.items = newItems; - this.itemCount = count; - } else { - parentItem.items = newItems; - parentItem.itemCount = count; - } - TreeItem[] selectedItems = getSelection (); - widget.reloadItem (parentItem != null ? parentItem.handle : null, expanded); - selectItems (selectedItems, true); - - if (parentItem != null && itemCount == 0 && parentItem.expanded) { - ignoreExpand = true; - widget.expandItem (parentItem.handle); - ignoreExpand = false; - } - } - } -} - -/*public*/ void setItemHeight (int itemHeight) { - checkWidget (); - if (itemHeight < -1) error (SWT.ERROR_INVALID_ARGUMENT); - if (itemHeight == -1) { - setItemHeight (null, null, true); - } else { - ((NSOutlineView)view).setRowHeight (itemHeight); - } -} - -void setItemHeight (Image image, NSFont font, boolean set) { - if (font == null) font = getFont ().handle; - float /*double*/ ascent = font.ascender (); - float /*double*/ descent = -font.descender () + font.leading (); - int height = (int)Math.ceil (ascent + descent) + 1; - Rectangle bounds = image != null ? image.getBounds () : imageBounds; - if (bounds != null) { - imageBounds = bounds; - height = Math.max (height, bounds.height); - } - NSTableView widget = (NSTableView)view; - if (set || widget.rowHeight () < height) { - widget.setRowHeight (height); - } -} - -/** - * Marks the receiver's lines as visible if the argument is <code>true</code>, - * and marks it invisible otherwise. Note that some platforms draw - * grid lines while others may draw alternating row colors. - * <p> - * If one of the receiver's ancestors is not visible or some - * other condition makes the receiver not visible, marking - * it visible may not actually cause it to be displayed. - * </p> - * - * @param show the new visibility state - * - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - * - * @since 3.1 - */ -public void setLinesVisible (boolean show) { - checkWidget (); - ((NSOutlineView) view).setUsesAlternatingRowBackgroundColors (show); -} - -public void setRedraw (boolean redraw) { - checkWidget (); - super.setRedraw (redraw); - if (redraw && drawCount == 0) { - checkItems (); - setScrollWidth (); - } -} - -boolean setScrollWidth () { - return setScrollWidth (true, items, true); -} - -boolean setScrollWidth (boolean set, TreeItem[] items, boolean recurse) { - if (items == null) return false; - if (ignoreRedraw || !getDrawing()) return false; - if (columnCount != 0) return false; - GC gc = new GC (this); - int newWidth = calculateWidth (items, 0, gc, recurse); - gc.dispose (); - if (!set) { - int oldWidth = (int)firstColumn.width (); - if (oldWidth >= newWidth) return false; - } - firstColumn.setWidth (newWidth); - if (horizontalBar != null && horizontalBar.view != null) redrawWidget (horizontalBar.view, false); - return true; -} - -boolean setScrollWidth (TreeItem item) { - if (ignoreRedraw || !getDrawing()) return false; - if (columnCount != 0) return false; - TreeItem parentItem = item.parentItem; - if (parentItem != null && !parentItem.getExpanded ()) return false; - GC gc = new GC (this); - int newWidth = item.calculateWidth (0, gc); - gc.dispose (); - int oldWidth = (int)firstColumn.width (); - if (oldWidth < newWidth) { - firstColumn.setWidth (newWidth); - if (horizontalBar != null && horizontalBar.view != null) redrawWidget (horizontalBar.view, false); - return true; - } - return false; -} - -/** - * Sets the receiver's selection to the given item. - * The current selection is cleared before the new item is selected. - * <p> - * If the item is not in the receiver, then it is ignored. - * </p> - * - * @param item the item to select - * - * @exception IllegalArgumentException <ul> - * <li>ERROR_NULL_ARGUMENT - if the item is null</li> - * <li>ERROR_INVALID_ARGUMENT - if the item has been disposed</li> - * </ul> - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - * - * @since 3.2 - */ -public void setSelection (TreeItem item) { - checkWidget (); - if (item == null) error (SWT.ERROR_NULL_ARGUMENT); - setSelection (new TreeItem [] {item}); -} - -/** - * Sets the receiver's selection to be the given array of items. - * The current selection is cleared before the new items are selected. - * <p> - * Items that are not in the receiver are ignored. - * If the receiver is single-select and multiple items are specified, - * then all items are ignored. - * </p> - * - * @param items the array of items - * - * @exception IllegalArgumentException <ul> - * <li>ERROR_NULL_ARGUMENT - if the array of items is null</li> - * <li>ERROR_INVALID_ARGUMENT - if one of the items has been disposed</li> - * </ul> - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - * - * @see Tree#deselectAll() - */ -public void setSelection (TreeItem [] items) { - checkWidget (); - if (items == null) error (SWT.ERROR_NULL_ARGUMENT); - checkItems (); - deselectAll (); - int length = items.length; - if (length == 0 || ((style & SWT.SINGLE) != 0 && length > 1)) return; - selectItems (items, false); - if (items.length > 0) { - for (int i = 0; i < items.length; i++) { - TreeItem item = items[i]; - if (item != null) { - showItem(item, true); - break; - } - } - } -} - -void setSmallSize () { - if (checkColumn == null) return; - checkColumn.dataCell ().setControlSize (OS.NSSmallControlSize); - checkColumn.setWidth (getCheckColumnWidth ()); -} - -/** - * Sets the column used by the sort indicator for the receiver. A null - * value will clear the sort indicator. The current sort column is cleared - * before the new column is set. - * - * @param column the column used by the sort indicator or <code>null</code> - * - * @exception IllegalArgumentException <ul> - * <li>ERROR_INVALID_ARGUMENT - if the column is disposed</li> - * </ul> - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - * - * @since 3.2 - */ -public void setSortColumn (TreeColumn column) { - checkWidget (); - if (column != null && column.isDisposed ()) error (SWT.ERROR_INVALID_ARGUMENT); - if (column == sortColumn) return; - sortColumn = column; - ((NSOutlineView)view).setHighlightedTableColumn (column == null ? null : column.nsColumn); -} - -/** - * Sets the direction of the sort indicator for the receiver. The value - * can be one of <code>UP</code>, <code>DOWN</code> or <code>NONE</code>. - * - * @param direction the direction of the sort indicator - * - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - * - * @since 3.2 - */ -public void setSortDirection (int direction) { - checkWidget (); - if (direction != SWT.UP && direction != SWT.DOWN && direction != SWT.NONE) return; - if (direction == sortDirection) return; - sortDirection = direction; - if (sortColumn == null) return; - NSTableHeaderView headerView = ((NSOutlineView)view).headerView (); - if (headerView == null) return; - int index = indexOf (sortColumn.nsColumn); - NSRect rect = headerView.headerRectOfColumn (index); - headerView.setNeedsDisplayInRect (rect); -} - -/** - * Sets the item which is currently at the top of the receiver. - * This item can change when items are expanded, collapsed, scrolled - * or new items are added or removed. - * - * @param item the item to be shown - * - * @exception IllegalArgumentException <ul> - * <li>ERROR_NULL_ARGUMENT - if the item is null</li> - * <li>ERROR_INVALID_ARGUMENT - if the item has been disposed</li> - * </ul> - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - * - * @see Tree#getTopItem() - * - * @since 2.1 - */ -public void setTopItem (TreeItem item) { - checkWidget(); - if (item == null) error (SWT.ERROR_NULL_ARGUMENT); - if (item.isDisposed ()) error (SWT.ERROR_INVALID_ARGUMENT); - checkItems (); - showItem (item, false); - NSOutlineView widget = (NSOutlineView) view; - int /*long*/ row = widget.rowForItem (item.handle); - if (row == -1) return; - NSPoint pt = new NSPoint(); - pt.x = scrollView.contentView().bounds().x; - pt.y = widget.frameOfCellAtColumn(0, row).y; - view.scrollPoint(pt); -} - -/** - * Shows the column. If the column is already showing in the receiver, - * this method simply returns. Otherwise, the columns are scrolled until - * the column is visible. - * - * @param column the column to be shown - * - * @exception IllegalArgumentException <ul> - * <li>ERROR_NULL_ARGUMENT - if the item is null</li> - * <li>ERROR_INVALID_ARGUMENT - if the item has been disposed</li> - * </ul> - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - * - * @since 3.1 - */ -public void showColumn (TreeColumn column) { - checkWidget (); - if (column == null) error (SWT.ERROR_NULL_ARGUMENT); - if (column.isDisposed()) error (SWT.ERROR_INVALID_ARGUMENT); - if (column.parent != this) return; - if (columnCount <= 1) return; - int index = indexOf (column.nsColumn); - if (!(0 <= index && index < columnCount + ((style & SWT.CHECK) != 0 ? 1 : 0))) return; - ((NSOutlineView)view).scrollColumnToVisible (index); -} - -/** - * Shows the item. If the item is already showing in the receiver, - * this method simply returns. Otherwise, the items are scrolled - * and expanded until the item is visible. - * - * @param item the item to be shown - * - * @exception IllegalArgumentException <ul> - * <li>ERROR_NULL_ARGUMENT - if the item is null</li> - * <li>ERROR_INVALID_ARGUMENT - if the item has been disposed</li> - * </ul> - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - * - * @see Tree#showSelection() - */ -public void showItem (TreeItem item) { - checkWidget (); - if (item == null) error (SWT.ERROR_NULL_ARGUMENT); - if (item.isDisposed ()) error (SWT.ERROR_INVALID_ARGUMENT); - checkItems (); - showItem (item, true); -} - -void showItem (TreeItem item, boolean scroll) { - TreeItem parentItem = item.parentItem; - if (parentItem != null) { - showItem (parentItem, false); - parentItem.setExpanded (true); - } - if (scroll) { - NSOutlineView outlineView = (NSOutlineView) view; - outlineView.scrollRowToVisible (outlineView.rowForItem (item.handle)); - } -} - -/** - * Shows the selection. If the selection is already showing in the receiver, - * this method simply returns. Otherwise, the items are scrolled until - * the selection is visible. - * - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - * - * @see Tree#showItem(TreeItem) - */ -public void showSelection () { - checkWidget (); - checkItems (); - //TODO - optimize - TreeItem [] selection = getSelection (); - if (selection.length > 0) { - checkData(selection [0]); - showItem (selection [0], true); - } -} - -void updateCursorRects (boolean enabled) { - super.updateCursorRects (enabled); - if (headerView == null) return; - updateCursorRects (enabled, headerView); -} - -} - |