Mercurial > projects > dwt-mac
view dwt/widgets/Tree.d @ 143:c41e13089a3c
Fixes #21
author | Jacob Carlborg <doob@me.com> |
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date | Fri, 05 Jun 2009 01:25:10 +0200 |
parents | 1a0129cab08e |
children | 1ec7c20355bd |
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/******************************************************************************* * Copyright (c) 2000, 2008 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 * * Port to the D programming language: * Jacob Carlborg <doob@me.com> *******************************************************************************/ module dwt.widgets.Tree; import dwt.dwthelper.utils; import dwt.DWT; import dwt.DWTException; import dwt.accessibility.ACC; import dwt.events.SelectionEvent; import dwt.events.SelectionListener; import dwt.events.TreeListener; import dwt.graphics.Color; import dwt.graphics.Font; import dwt.graphics.GC; import dwt.graphics.GCData; import dwt.graphics.Image; import dwt.graphics.Point; import dwt.graphics.Rectangle; import dwt.internal.cocoa.NSArray; import dwt.internal.cocoa.NSBezierPath; import dwt.internal.cocoa.NSBrowserCell; import dwt.internal.cocoa.NSButtonCell; import dwt.internal.cocoa.NSColor; import dwt.internal.cocoa.NSColorSpace; import dwt.internal.cocoa.NSDictionary; import dwt.internal.cocoa.NSEvent; import dwt.internal.cocoa.NSFont; import dwt.internal.cocoa.NSGraphicsContext; import dwt.internal.cocoa.NSIndexSet; import dwt.internal.cocoa.NSMutableIndexSet; import dwt.internal.cocoa.NSNotification; import dwt.internal.cocoa.NSNumber; import dwt.internal.cocoa.NSOutlineView; import dwt.internal.cocoa.NSPoint; import dwt.internal.cocoa.NSRange; import dwt.internal.cocoa.NSRect; import dwt.internal.cocoa.NSScrollView; import dwt.internal.cocoa.NSSize; import dwt.internal.cocoa.NSString; import dwt.internal.cocoa.NSTableColumn; import dwt.internal.cocoa.NSTableHeaderCell; import dwt.internal.cocoa.NSTableHeaderView; import dwt.internal.cocoa.NSTableView; import dwt.internal.cocoa.NSView; import dwt.internal.cocoa.OS; import dwt.internal.cocoa.SWTBrowserCell; import dwt.internal.cocoa.SWTOutlineView; import dwt.internal.cocoa.SWTScrollView; import dwt.internal.cocoa.SWTTableHeaderCell; import dwt.internal.cocoa.SWTTableHeaderView; import dwt.internal.cocoa.SWTTreeItem; import cocoa = dwt.internal.cocoa.id; import Carbon = dwt.internal.c.Carbon; import dwt.internal.objc.cocoa.Cocoa; import objc = dwt.internal.objc.runtime; import dwt.widgets.Composite; import dwt.widgets.Event; import dwt.widgets.TreeColumn; import dwt.widgets.TreeItem; import dwt.widgets.TypedListener; import dwt.widgets.Widget; /** * 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, DWT.VIRTUAL | DWT.BORDER); * tree.setItemCount(20); * tree.addListener(DWT.SetData, new Listener() { * public void handleEvent(Event event) { * TreeItem item = cast(TreeItem)event.item; * TreeItem parentItem = item.getParentItem(); * String text = null; * if (parentItem is 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">DWT Example: ControlExample</a> * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a> */ public class Tree : Composite { alias Composite.computeSize computeSize; NSTableColumn firstColumn, checkColumn; NSBrowserCell dataCell; NSTableHeaderView headerView; TreeItem [] items; int itemCount; TreeColumn [] columns; TreeColumn sortColumn; int columnCount; int sortDirection; Carbon.CGFloat levelIndent; bool ignoreExpand, ignoreSelect; /** * 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>DWT</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>DWT</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 DWTException <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 DWT#SINGLE * @see DWT#MULTI * @see DWT#CHECK * @see DWT#FULL_SELECTION * @see DWT#VIRTUAL * @see DWT#NO_SCROLL * @see Widget#checkSubclass * @see Widget#getStyle */ public this (Composite parent, int style) { super (parent, checkStyle (style)); } TreeItem _getItem (TreeItem parentItem, int index, bool create) { int count; TreeItem[] items; if (parentItem !is 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 !is null || (style & DWT.VIRTUAL) is 0 || !create) return item; item = new TreeItem (this, parentItem, DWT.NONE, index, false); items [index] = item; return item; } objc.id accessibilityAttributeValue (objc.id id, objc.SEL sel, objc.id arg0) { if (accessible !is null) { NSString attribute = new NSString(arg0); cocoa.id returnValue = accessible.internal_accessibilityAttributeValue(attribute, ACC.CHILDID_SELF); if (returnValue !is 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>DWT.CHECK</code> style and the check selection changes, * the event object detail field contains the value <code>DWT.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 DWTException <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 is null) error (DWT.ERROR_NULL_ARGUMENT); TypedListener typedListener = new TypedListener (listener); addListener (DWT.Selection, typedListener); addListener (DWT.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 DWTException <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 is null) error (DWT.ERROR_NULL_ARGUMENT); TypedListener typedListener = new TypedListener (listener); addListener (DWT.Expand, typedListener); addListener (DWT.Collapse, typedListener); } bool checkData (TreeItem item, bool redraw) { if (item.cached) return true; if ((style & DWT.VIRTUAL) !is 0) { item.cached = true; Event event = new Event (); TreeItem parentItem = item.getParentItem (); event.item = item; event.index = parentItem is null ? indexOf (item) : parentItem.indexOf (item); // ignoreRedraw = true; sendEvent (DWT.SetData, event); //widget could be disposed at this point // ignoreRedraw = false; if (isDisposed () || item.isDisposed ()) return false; if (redraw) { // if (!setScrollWidth (item)) item.redraw (OS.kDataBrowserNoItem); } } return true; } static int checkStyle (int style) { /* * Feature in Windows. Even when WS_HSCROLL or * WS_VSCROLL is not specified, Windows creates * trees and tables with scroll bars. The fix * is to set H_SCROLL and V_SCROLL. * * NOTE: This code appears on all platforms so that * applications have consistent scroll bar behavior. */ if ((style & DWT.NO_SCROLL) is 0) { style |= DWT.H_SCROLL | DWT.V_SCROLL; } return checkBits (style, DWT.SINGLE, DWT.MULTI, 0, 0, 0, 0); } protected void checkSubclass () { if (!isValidSubclass ()) error (DWT.ERROR_INVALID_SUBCLASS); } void clear (TreeItem parentItem, int index, bool all) { TreeItem item = _getItem (parentItem, index, false); if (item !is null) { item.clear(); (cast(NSOutlineView) view).reloadItem (item.handle); if (all) { clearAll (item, true); } } } void clearAll (TreeItem parentItem, bool all) { int count = getItemCount (parentItem); if (count is 0) return; TreeItem [] children = parentItem is null ? items : parentItem.items; for (int i=0; i<count; i++) { TreeItem item = children [i]; if (item !is null) { item.clear (); (cast(NSOutlineView) view).reloadItem (item.handle); 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>DWT.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 DWTException <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 DWT#VIRTUAL * @see DWT#SetData * * @since 3.2 */ public void clear (int index, bool all) { checkWidget (); int count = getItemCount (); if (index < 0 || index >= count) error (DWT.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>DWT.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 DWTException <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 DWT#VIRTUAL * @see DWT#SetData * * @since 3.2 */ public void clearAll (bool all) { checkWidget (); clearAll (null, all); } void clearCustomWidths (TreeItem item) { item.customWidth = -1; for (int i = 0; i < item.itemCount; i++) { clearCustomWidths (items[i]); } } public Point computeSize (int wHint, int hHint, bool changed) { checkWidget (); int width = 0, height = 0; if (wHint is DWT.DEFAULT) { if (columnCount !is 0) { for (int i=0; i<columnCount; i++) { width += columns [i].getWidth (); } } else { // int levelIndent = DISCLOSURE_COLUMN_LEVEL_INDENT; // if (OS.VERSION >= 0x1040) { // float [] metric = new float [1]; // OS.DataBrowserGetMetric (handle, OS.kDataBrowserMetricDisclosureColumnPerDepthGap, null, metric); // levelIndent = cast(int) metric [0]; // } // GC gc = new GC (this); // width = calculateWidth (childIds, gc, true, 0, levelIndent); // gc.dispose (); // width += getInsetWidth (columnid, true); } if ((style & DWT.CHECK) !is 0) width += getCheckColumnWidth (); } else { width = wHint; } if (hHint is DWT.DEFAULT) { height = cast(int)/*64*/(cast(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 !is null) { for (int i = 0; i < item.items.length; i++) { if (item.items[i] !is null) createColumn (item.items[i], index); } } String [] strings = item.strings; if (strings !is 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 is 0) item.text = ""; Image [] images = item.images; if (images !is 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 is 0) item.image = null; Color [] cellBackground = item.cellBackground; if (cellBackground !is 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 !is 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 !is 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 = cast(NSScrollView) (new SWTScrollView ()).alloc (); scrollWidget.initWithFrame (NSRect ()); scrollWidget.setHasHorizontalScroller (true); scrollWidget.setHasVerticalScroller (true); scrollWidget.setAutohidesScrollers (true); scrollWidget.setBorderType(hasBorder () ? OS.NSBezelBorder : OS.NSNoBorder); NSOutlineView widget = cast(NSOutlineView) (new SWTOutlineView ()).alloc (); widget.initWithFrame (NSRect ()); widget.setAllowsMultipleSelection ((style & DWT.MULTI) !is 0); widget.setAllowsColumnReordering (false); widget.setAutoresizesOutlineColumn (false); widget.setAutosaveExpandedItems (true); widget.setDataSource (widget); widget.setDelegate (widget); widget.setDoubleAction (OS.sel_sendDoubleSelection); if (!hasBorder ()) widget.setFocusRingType (OS.NSFocusRingTypeNone); headerView = cast(NSTableHeaderView)(new SWTTableHeaderView ()).alloc ().init (); widget.setHeaderView (null); NSString str = NSString.stringWith (""); if ((style & DWT.CHECK) !is 0) { checkColumn = cast(NSTableColumn) (new NSTableColumn ()).alloc (); checkColumn.initWithIdentifier (checkColumn); checkColumn.headerCell ().setTitle (str); widget.addTableColumn (checkColumn); widget.setOutlineTableColumn (checkColumn); NSButtonCell cell = cast(NSButtonCell) (new NSButtonCell ()).alloc ().init (); checkColumn.setDataCell (cell); cell.setButtonType (OS.NSSwitchButton); cell.setImagePosition (OS.NSImageOnly); cell.setAllowsMixedState (true); checkColumn.setWidth (getCheckColumnWidth ()); checkColumn.setResizingMask (OS.NSTableColumnNoResizing); checkColumn.setEditable (false); cell.release (); } firstColumn = cast(NSTableColumn) (new NSTableColumn ()).alloc (); firstColumn.initWithIdentifier (firstColumn); firstColumn.setMinWidth(0); firstColumn.headerCell ().setTitle (str); widget.addTableColumn (firstColumn); widget.setOutlineTableColumn (firstColumn); dataCell = cast(NSBrowserCell)(new SWTBrowserCell ()).alloc ().init (); dataCell.setLeaf (true); firstColumn.setDataCell (dataCell); levelIndent = widget.indentationPerLevel (); scrollView = scrollWidget; view = widget; } void createItem (TreeColumn column, int index) { if (!(0 <= index && index <= columnCount)) error (DWT.ERROR_INVALID_RANGE); if (index is 0) { // first column must be left aligned column.style &= ~(DWT.LEFT | DWT.RIGHT | DWT.CENTER); column.style |= DWT.LEFT; } if (columnCount is columns.length) { TreeColumn [] newColumns = new TreeColumn [columnCount + 4]; System.arraycopy (columns, 0, newColumns, 0, columns.length); columns = newColumns; } NSTableColumn nsColumn; if (columnCount is 0) { //TODO - clear attributes, alignment etc. nsColumn = firstColumn; nsColumn.retain(); firstColumn = null; } else { //TODO - set attributes, alignment etc. NSOutlineView outlineView = cast(NSOutlineView)view; NSString str = NSString.stringWith (""); nsColumn = cast(NSTableColumn) (new NSTableColumn ()).alloc (); nsColumn.initWithIdentifier (nsColumn); nsColumn.setMinWidth(0); nsColumn.headerCell ().setTitle (str); outlineView.addTableColumn (nsColumn); int checkColumn = (style & DWT.CHECK) !is 0 ? 1 : 0; outlineView.moveColumn (columnCount + checkColumn, index + checkColumn); nsColumn.setDataCell (dataCell); if (index is 0) { outlineView.setOutlineTableColumn (nsColumn); } } column.createJNIRef (); NSTableHeaderCell headerCell = cast(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; if (columnCount > 1) { for (int i=0; i<items.length; i++) { TreeItem item = items [i]; if (item !is null) createColumn (item, index); } } else { for (int i = 0; i < itemCount; i++) { clearCustomWidths (items[i]); } } } void createItem (TreeItem item, TreeItem parentItem, int index) { int count; TreeItem [] items; if (parentItem !is null) { count = parentItem.itemCount; items = parentItem.items; } else { count = this.itemCount; items = this.items; } if (index is -1) index = count; if (!(0 <= index && index <= count)) error (DWT.ERROR_INVALID_RANGE); if (count is items.length) { TreeItem [] newItems = new TreeItem [items.length + 4]; System.arraycopy (items, 0, newItems, 0, items.length); items = newItems; if (parentItem !is 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 = cast(SWTTreeItem) (new SWTTreeItem ()).alloc ().init (); item.handle = handle; item.createJNIRef (); item.register (); if (parentItem !is null) { parentItem.itemCount = count; } else { this.itemCount = count; } ignoreExpand = true; NSOutlineView widget = cast(NSOutlineView)view; widget.reloadItem(parentItem !is null ? parentItem.handle : null, true); ignoreExpand = false; } void createWidget () { super.createWidget (); items = new TreeItem [4]; columns = new TreeColumn [4]; } Color defaultBackground () { return display.getSystemColor (DWT.COLOR_LIST_BACKGROUND); } Color defaultForeground () { return display.getSystemColor (DWT.COLOR_LIST_FOREGROUND); } /** * Deselects all selected items in the receiver. * * @exception DWTException <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 = cast(NSOutlineView) view; ignoreSelect = true; widget.deselectAll (null); ignoreSelect = false; } void deregister () { super.deregister (); display.removeWidget (headerView); display.removeWidget (dataCell); } /** * 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 DWTException <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 is null) error (DWT.ERROR_NULL_ARGUMENT); if (item.isDisposed ()) error (DWT.ERROR_INVALID_ARGUMENT); // ignoreSelect = true; // /* // * Bug in the Macintosh. When the DataBroswer selection flags includes // * both kDataBrowserNeverEmptySelectionSet and kDataBrowserSelectOnlyOne, // * two items are selected when SetDataBrowserSelectedItems() is called // * with kDataBrowserItemsAssign to assign a new seletion despite the fact // * that kDataBrowserSelectOnlyOne was specified. The fix is to save and // * restore kDataBrowserNeverEmptySelectionSet around each call to // * SetDataBrowserSelectedItems(). // */ // int [] selectionFlags = null; // if ((style & DWT.SINGLE) !is 0) { // selectionFlags = new int [1]; // OS.GetDataBrowserSelectionFlags (handle, selectionFlags); // OS.SetDataBrowserSelectionFlags (handle, selectionFlags [0] & ~OS.kDataBrowserNeverEmptySelectionSet); // } // OS.SetDataBrowserSelectedItems (handle, 1, new int [] {item.id}, OS.kDataBrowserItemsRemove); // if ((style & DWT.SINGLE) !is 0) { // OS.SetDataBrowserSelectionFlags (handle, selectionFlags [0]); // } // ignoreSelect = false; } void destroyItem (TreeColumn column) { int index = 0; while (index < columnCount) { if (columns [index] is column) break; index++; } for (int i=0; i<items.length; i++) { TreeItem item = items [i]; if (item !is null) { if (columnCount <= 1) { item.strings = null; item.images = null; item.cellBackground = null; item.cellForeground = null; item.cellFont = null; } else { if (item.strings !is null) { String [] strings = item.strings; if (index is 0) { item.text = strings [1] !is 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 is 0) item.text = ""; } if (item.images !is null) { Image [] images = item.images; if (index is 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 is 0) item.image = null; } if (item.cellBackground !is 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 !is 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 !is 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; } } } } NSInteger oldIndex = (cast(NSOutlineView)view).columnWithIdentifier (column.nsColumn); if (columnCount is 1) { //TODO - reset attributes firstColumn = column.nsColumn; firstColumn.setWidth (0); } else { if (index is 0) { (cast(NSOutlineView)view).setOutlineTableColumn(columns[1].nsColumn); } (cast(NSOutlineView)view).removeTableColumn(column.nsColumn); } System.arraycopy (columns, index + 1, columns, index, --columnCount - index); columns [columnCount] = null; NSArray array = (cast(NSOutlineView)view).tableColumns (); NSUInteger arraySize = cast(int)/*64*/array.count (); for (NSUInteger i = oldIndex; i < arraySize; i++) { objc.id columnId = array.objectAtIndex (i).id; for (int j = 0; j < columnCount; j++) { if (columns[j].nsColumn.id is columnId) { columns [j].sendEvent (DWT.Move); break; } } } } void destroyItem (TreeItem item) { int count; TreeItem[] items; TreeItem parentItem = item.parentItem; if (parentItem !is null) { count = parentItem.itemCount; items = parentItem.items; } else { count = this.itemCount; items = this.items; } int index = 0; while (index < count) { if (items [index] is item) break; index++; } // if (index !is itemCount - 1) fixSelection (index, false); System.arraycopy (items, index + 1, items, index, --count - index); items [count] = null; if (parentItem !is null) { parentItem.itemCount = count; (cast(NSOutlineView) view).reloadItem (parentItem.handle, true); } else { this.itemCount = count; (cast(NSOutlineView) view).reloadItem (null); } //noteNumberOfRowsChanged was causing crashes whenever //a TreeItem was disposed. //Using reloadItem avoids the crashes. //Not sure that this NSTableView function //makes sense in an NSOutlineView. //(cast(NSTableView)view).noteNumberOfRowsChanged(); // setScrollWidth (true); // fixScrollBar (); } void drawInteriorWithFrame_inView (objc.id id, objc.SEL sel, objc.id cellFrame, objc.id view) { NSRect rect = NSRect (); OS.memmove (&rect, cellFrame, NSRect.sizeof); NSOutlineView outlineView = cast(NSOutlineView)this.view; NSBrowserCell cell = new NSBrowserCell (id); NSRange rowsRange = outlineView.rowsInRect (rect); NSUInteger rowIndex = rowsRange.location; TreeItem item = cast(TreeItem) display.getWidget (outlineView.itemAtRow (rowIndex).id); int columnIndex = 0; cocoa.id nsColumn = null; NSUInteger nsColumnIndex = 0; if (columnCount !is 0) { NSIndexSet columnsSet = outlineView.columnIndexesInRect (rect); nsColumnIndex = columnsSet.firstIndex (); NSArray nsColumns = outlineView.tableColumns (); nsColumn = nsColumns.objectAtIndex (nsColumnIndex); for (int i = 0; i < columnCount; i++) { if (columns[i].nsColumn.id is nsColumn.id) { columnIndex = indexOf (columns[i]); break; } } } Color background = item.cellBackground !is null ? item.cellBackground [columnIndex] : null; if (background is null) background = item.background; bool drawBackground = background !is null; bool drawForeground = true; bool isSelected = outlineView.isRowSelected (rowIndex); bool drawSelection = isSelected; NSColor nsSelectionBackground = null; NSColor nsSelectionForeground = null; if (isSelected) { if (isFocusControl ()) { nsSelectionForeground = NSColor.alternateSelectedControlTextColor (); } else { nsSelectionForeground = NSColor.selectedControlTextColor (); } nsSelectionForeground = nsSelectionForeground.colorUsingColorSpace (NSColorSpace.deviceRGBColorSpace ()); nsSelectionBackground = cell.highlightColorInView (outlineView); nsSelectionBackground = nsSelectionBackground.colorUsingColorSpace (NSColorSpace.deviceRGBColorSpace ()); } NSRect fullRect = NSRect (); fullRect.y = rect.y; fullRect.height = rect.height; if (columnCount is 0) { fullRect.x = rect.x; if (item.customWidth !is -1) { fullRect.width = item.customWidth; } else { NSSize contentSize = cell.cellSizeForBounds (rect); fullRect.width = contentSize.width; } } else { NSSize spacing = outlineView.intercellSpacing (); if (nsColumn.id is outlineView.outlineTableColumn ().id) { NSRect columnRect = outlineView.rectOfColumn (nsColumnIndex); fullRect.x = columnRect.x; fullRect.width = columnRect.width + spacing.width; } else { fullRect.x = rect.x; fullRect.width = rect.width + spacing.width; } } if (hooks (DWT.EraseItem)) { NSRect eraseItemRect; // TODO how to handle rearranged columns? The third clause below ensures that // there are either 0 columns or that column 0 is still the first physical column. if (columnIndex is 0 && (style & DWT.CHECK) !is 0 && (columnCount is 0 || outlineView.columnWithIdentifier (columns[0].nsColumn) is 1)) { eraseItemRect = NSRect (); eraseItemRect.y = fullRect.y; eraseItemRect.width = fullRect.x + fullRect.width; eraseItemRect.height = fullRect.height; } else { eraseItemRect = fullRect; } GCData data = new GCData (); data.paintRectStruct = eraseItemRect; data.paintRect = &data.paintRectStruct; GC gc = GC.cocoa_new (this, data); gc.setFont (item.getFont (columnIndex)); if (isSelected) { Carbon.CGFloat[] components = new Carbon.CGFloat[nsSelectionForeground.numberOfComponents ()]; nsSelectionForeground.getComponents (components.ptr); Color selectionForeground = Color.cocoa_new (display, components); gc.setForeground (selectionForeground); components = new Carbon.CGFloat[nsSelectionBackground.numberOfComponents ()]; nsSelectionBackground.getComponents (components.ptr); Color selectionBackground = Color.cocoa_new (display, components); gc.setBackground (selectionBackground); } else { gc.setForeground (item.getForeground (columnIndex)); gc.setBackground (item.getBackground (columnIndex)); } Event event = new Event (); event.item = item; event.gc = gc; event.index = columnIndex; event.detail = DWT.FOREGROUND; if (drawBackground) event.detail |= DWT.BACKGROUND; if (isSelected) event.detail |= DWT.SELECTED; event.x = cast(int)eraseItemRect.x; event.y = cast(int)eraseItemRect.y; event.width = cast(int)eraseItemRect.width; event.height = cast(int)eraseItemRect.height; sendEvent (DWT.EraseItem, event); gc.dispose (); if (item.isDisposed ()) return; if (!event.doit) { drawForeground = drawBackground = drawSelection = false; } else { drawBackground = drawBackground && (event.detail & DWT.BACKGROUND) !is 0; drawForeground = (event.detail & DWT.FOREGROUND) !is 0; drawSelection = drawSelection && (event.detail & DWT.SELECTED) !is 0; } if (drawSelection) { NSRect selectionRect = NSRect (); selectionRect.y = rect.y; selectionRect.height = rect.height; if (columnCount > 0) { NSRect columnRect = outlineView.rectOfColumn (nsColumnIndex); selectionRect.x = columnRect.x; selectionRect.width = columnRect.width; } else { NSRect rowRect = outlineView.rectOfRow (rowIndex); if ((style & DWT.CHECK) !is 0) { /* highlighting at this stage draws over the checkbox, so don't include its column */ Carbon.CGFloat checkWidth = checkColumn.width (); selectionRect.x = checkWidth; selectionRect.width = rowRect.width - checkWidth; } else { selectionRect.width = rowRect.width; } } callSuper (outlineView.id, OS.sel_highlightSelectionInClipRect_, selectionRect); } } if (drawBackground && !drawSelection) { NSGraphicsContext context = NSGraphicsContext.currentContext (); context.saveGraphicsState (); Carbon.CGFloat[] colorRGB = background.handle; NSColor color = NSColor.colorWithDeviceRed (colorRGB[0], colorRGB[1], colorRGB[2], 1f); color.setFill (); NSBezierPath.fillRect (fullRect); context.restoreGraphicsState (); } if (drawForeground) { cell.setHighlighted (false); callSuper (id, sel, rect, view); } if (hooks (DWT.PaintItem)) { NSRect contentRect = cell.titleRectForBounds (rect); NSSize contentSize = cell.cellSizeForBounds (rect); GCData data = new GCData (); // TODO how to handle rearranged columns? The third clause below ensures that // there are either 0 columns or that column 0 is still the first physical column. if (columnIndex is 0 && (style & DWT.CHECK) !is 0 && (columnCount is 0 || outlineView.columnWithIdentifier (columns[0].nsColumn) is 1)) { NSRect gcRect = NSRect (); gcRect.y = fullRect.y; gcRect.width = fullRect.x + fullRect.width; gcRect.height = fullRect.height; data.paintRectStruct = gcRect; data.paintRect = &data.paintRectStruct; } else { data.paintRectStruct = fullRect; data.paintRect = &data.paintRectStruct; } GC gc = GC.cocoa_new (this, data); gc.setFont (item.getFont (columnIndex)); if (isSelected) { Carbon.CGFloat[] components = new Carbon.CGFloat[nsSelectionForeground.numberOfComponents ()]; nsSelectionForeground.getComponents (components.ptr); Color selectionForeground = Color.cocoa_new (display, components); gc.setForeground (selectionForeground); components = new Carbon.CGFloat[nsSelectionBackground.numberOfComponents ()]; nsSelectionBackground.getComponents (components.ptr); Color selectionBackground = Color.cocoa_new (display, components); gc.setBackground (selectionBackground); gc.setBackground (display.getSystemColor (DWT.COLOR_GREEN)); } else { gc.setForeground (item.getForeground (columnIndex)); gc.setBackground (item.getBackground (columnIndex)); } Event event = new Event (); event.item = item; event.gc = gc; event.index = columnIndex; if (isSelected) event.detail |= DWT.SELECTED; event.x = cast(int)contentRect.x; event.y = cast(int)contentRect.y; event.width = cast(int)Math.ceil (contentSize.width); event.height = cast(int)Math.ceil (fullRect.height); sendEvent (DWT.PaintItem, event); gc.dispose (); } } void fixScrollBar () { /* * Bug in the Macintosh. For some reason, the data browser does not update * the vertical scrollbar when it is scrolled to the bottom and items are * removed. The fix is to check if the scrollbar value is bigger the * maximum number of visible items and clamp it when needed. */ // int [] top = new int [1], left = new int [1]; // OS.GetDataBrowserScrollPosition (handle, top, left); // int maximum = Math.max (0, getItemHeight () * visibleCount - getClientArea ().height); // if (top [0] > maximum) { // OS.SetDataBrowserScrollPosition (handle, maximum, left [0]); // } } int getCheckColumnWidth () { return 20; //TODO - compute width } TreeColumn getColumn (cocoa.id id) { for (int i = 0; i < columnCount; i++) { if (columns[i].nsColumn.id is 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 DWTException <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(bool) * @see DWT#Move * * @since 3.1 */ public TreeColumn getColumn (int index) { checkWidget (); if (!(0 <=index && index < columnCount)) error (DWT.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 DWTException <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 DWTException <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(bool) * @see DWT#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 = (cast(NSOutlineView)view).columnWithIdentifier (column.nsColumn); if ((style & DWT.CHECK) !is 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 DWTException <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(bool) * @see DWT#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 DWTException <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 DWTException <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 = (cast(NSOutlineView) view).headerView (); if (headerView is null) return 0; return cast(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 DWTException <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 bool getHeaderVisible () { checkWidget (); return (cast(NSOutlineView) view).headerView () !is null; } int getInsetWidth () { //TODO - wrong return 20; } /** * 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 DWTException <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 (DWT.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 DWT.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 DWTException <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 is null) error (DWT.ERROR_NULL_ARGUMENT); NSOutlineView widget = cast(NSOutlineView)view; NSPoint pt = NSPoint(); pt.x = point.x; pt.y = point.y; NSInteger row = widget.rowAtPoint(pt); if (row is -1) return null; cocoa.id id = widget.itemAtRow(row); Widget item = display.getWidget (id.id); if (item !is null && cast(TreeItem) item) { return cast(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 DWTException <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 is 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 DWTException <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 cast(int)(cast(NSOutlineView) view).rowHeight (); } /** * 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 DWTException <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. * <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 DWTException <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 bool getLinesVisible () { checkWidget (); return (cast(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 DWTException <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 DWTException <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 = cast(NSOutlineView) view; if (widget.numberOfSelectedRows () is 0) { return new TreeItem [0]; } NSIndexSet selection = widget.selectedRowIndexes (); NSUInteger count = selection.count (); NSUInteger [] indexBuffer = new NSUInteger [count]; selection.getIndexes (indexBuffer.ptr, count, null); TreeItem [] result = new TreeItem [count]; for (NSUInteger i=0; i<count; i++) { cocoa.id id = widget.itemAtRow (indexBuffer [i]); Widget item = display.getWidget (id.id); if (item !is null && cast(TreeItem) item) { //TODO virtual result[i] = cast(TreeItem) item; } } return result; } /** * Returns the number of selected items contained in the receiver. * * @return the number of selected items * * @exception DWTException <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 cast(int)/*64*/(cast(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 DWTException <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 DWTException <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 DWTException <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 - optimize // Rect rect = new Rect (); // int y = getBorder () + getHeaderHeight (); // for (int i=0; i<items.length; i++) { // TreeItem item = items [i]; // if (item !is null) { // int columnId = (columnCount is 0) ? columnid : columns [0].id; // if (OS.GetDataBrowserItemPartBounds (handle, item.id, columnId, OS.kDataBrowserPropertyEnclosingPart, rect) is OS.noErr) { // if (rect.top <= y && y <= rect.bottom) return item; // } // } // } return null; } void highlightSelectionInClipRect(objc.id id, objc.SEL sel, objc.id rect) { if (!hooks (DWT.EraseItem)) { NSRect clipRect = NSRect (); OS.memmove (&clipRect, rect, NSRect.sizeof); callSuper (id, sel, clipRect); } } /** * 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 DWTException <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 is null) error (DWT.ERROR_NULL_ARGUMENT); if (column.isDisposed ()) error (DWT.ERROR_INVALID_ARGUMENT); for (int i=0; i<columnCount; i++) { if (columns [i] is 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 DWTException <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 is null) error (DWT.ERROR_NULL_ARGUMENT); if (item.isDisposed ()) error (DWT.ERROR_INVALID_ARGUMENT); if (item.parentItem !is null) return -1; for (int i = 0; i < itemCount; i++) { if (item is items[i]) return i; } return -1; } bool isTrim (NSView view) { if (super.isTrim (view)) return true; return view.id is headerView.id; } objc.id outlineView_child_ofItem (objc.id id, objc.SEL sel, objc.id outlineView, objc.id index, objc.id itemID) { TreeItem parent = cast(TreeItem) display.getWidget (itemID); TreeItem item = _getItem (parent, cast(int)/*64*/index, true); checkData (item, false); return item.handle.id; } void outlineView_didClickTableColumn (objc.id id, objc.SEL sel, objc.id outlineView, objc.id tableColumn) { TreeColumn column = getColumn (new cocoa.id (tableColumn)); column.postEvent (DWT.Selection); } objc.id outlineView_objectValueForTableColumn_byItem (objc.id id, objc.SEL sel, objc.id outlineView, objc.id tableColumn, objc.id itemID) { TreeItem item = cast(TreeItem) display.getWidget (itemID); if (checkColumn !is null && tableColumn is 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 is tableColumn) { return item.createString (i).id; } } return item.createString (0).id; } bool outlineView_isItemExpandable (objc.id id, objc.SEL sel, objc.id outlineView, objc.id item) { if (item is null) return true; return (cast(TreeItem) display.getWidget (item)).itemCount !is 0; } int outlineView_numberOfChildrenOfItem (objc.id id, objc.SEL sel, objc.id outlineView, objc.id item) { if (item is null) return itemCount; return (cast(TreeItem) display.getWidget (item)).itemCount; } void outlineView_willDisplayCell_forTableColumn_item (objc.id id, objc.SEL sel, objc.id outlineView, objc.id cell, objc.id tableColumn, objc.id itemID) { if (checkColumn !is null && tableColumn is checkColumn.id) return; TreeItem item = cast(TreeItem) display.getWidget(itemID); Image image = item.image; int columnIndex = 0; for (int i=0; i<columnCount; i++) { if (columns [i].nsColumn.id is tableColumn) { image = item.getImage (i); columnIndex = i; } } NSBrowserCell browserCell = new NSBrowserCell (cell); browserCell.setImage (image !is null ? image.handle : null); browserCell.setFont (item.getFont (columnIndex).handle); if (hooks (DWT.MeasureItem)) { NSOutlineView view = cast(NSOutlineView)this.view; NSInteger nsColumnIndex = view.columnWithIdentifier (new cocoa.id (tableColumn)); NSInteger rowIndex = view.rowForItem (new cocoa.id (itemID)); NSRect rect = view.frameOfCellAtColumn (nsColumnIndex, rowIndex); NSRect contentRect = browserCell.titleRectForBounds (rect); NSSize contentSize = browserCell.cellSizeForBounds (rect); GCData data = new GCData (); data.paintRectStruct = view.frame (); data.paintRect = &data.paintRectStruct; GC gc = GC.cocoa_new (this, data); gc.setFont (item.getFont (columnIndex)); int rowHeight = cast(int)view.rowHeight (); Event event = new Event (); event.item = item; event.gc = gc; event.index = columnIndex; event.x = cast(int)contentRect.x; event.y = cast(int)contentRect.y; event.width = cast(int)Math.ceil (contentSize.width); event.height = rowHeight; sendEvent (DWT.MeasureItem, event); gc.dispose (); if (isDisposed ()) return; if (rowHeight < event.height) { view.setRowHeight (event.height); } if (columnCount is 0) { int change = event.width - (item.customWidth !is -1 ? item.customWidth : cast(int)Math.ceil (contentSize.width)); if (item.customWidth !is -1 || event.width !is cast(int)Math.ceil (contentSize.width)) { item.customWidth = event.width; } if (change !is 0) setScrollWidth (item, false, false); } } } void outlineViewColumnDidMove (objc.id id, objc.SEL sel, objc.id aNotification) { NSNotification notification = new NSNotification (aNotification); NSDictionary userInfo = notification.userInfo (); cocoa.id nsOldIndex = userInfo.valueForKey (NSString.stringWith ("NSOldColumn")); //$NON-NLS-1$ cocoa.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 = cast(NSOutlineView)view; NSArray nsColumns = outlineView.tableColumns (); for (int i = startIndex; i <= endIndex; i++) { cocoa.id columnId = nsColumns.objectAtIndex (i); TreeColumn column = getColumn (columnId); if (column !is null) { column.sendEvent (DWT.Move); if (isDisposed ()) return; } } } void outlineViewColumnDidResize (objc.id id, objc.SEL sel, objc.id aNotification) { NSNotification notification = new NSNotification (aNotification); NSDictionary userInfo = notification.userInfo (); cocoa.id columnId = userInfo.valueForKey (NSString.stringWith ("NSTableColumn")); //$NON-NLS-1$ TreeColumn column = getColumn (columnId); if (column is null) return; /* either CHECK column or firstColumn in 0-column Tree */ column.sendEvent (DWT.Resize); if (isDisposed ()) return; NSOutlineView outlineView = cast(NSOutlineView)view; NSInteger index = outlineView.columnWithIdentifier (columnId); if (index is -1) return; /* column was disposed in Resize callback */ NSArray nsColumns = outlineView.tableColumns (); NSInteger columnCount = outlineView.numberOfColumns (); for (NSInteger i = index + 1; i < columnCount; i++) { columnId = nsColumns.objectAtIndex (i); column = getColumn (columnId); if (column !is null) { column.sendEvent (DWT.Move); if (isDisposed ()) return; } } } void outlineViewItemDidExpand (objc.id id, objc.SEL sel, objc.id notification) { NSNotification nsNotification = new NSNotification (notification); NSDictionary info = nsNotification.userInfo (); NSString key = NSString.stringWith ("NSObject"); //$NON-NLS-1$ objc.id itemHandle = info.objectForKey (key).id; TreeItem item = cast(TreeItem)display.getWidget (itemHandle); setScrollWidth (item.getItems (), true, true); } void outlineViewSelectionDidChange (objc.id id, objc.SEL sel, objc.id notification) { if (ignoreSelect) return; NSOutlineView widget = cast(NSOutlineView) view; NSInteger row = widget.selectedRow (); if (row is -1) postEvent (DWT.Selection); else { cocoa.id _id = widget.itemAtRow (row); TreeItem item = cast(TreeItem) display.getWidget (_id.id); Event event = new Event (); event.item = item; event.index = row; postEvent (DWT.Selection, event); } } bool outlineView_shouldCollapseItem (objc.id id, objc.SEL sel, objc.id lineView, objc.id itemID) { TreeItem item = cast(TreeItem) display.getWidget (itemID); if (!ignoreExpand) { Event event = new Event (); event.item = item; sendEvent (DWT.Collapse, event); item.expanded = false; ignoreExpand = true; (cast(NSOutlineView) view).collapseItem (item.handle); ignoreExpand = false; return false; } return !item.expanded; } bool outlineView_shouldExpandItem (objc.id id, objc.SEL sel, objc.id outlineView, objc.id itemID) { final TreeItem item = cast(TreeItem) display.getWidget (itemID); if (!ignoreExpand) { Event event = new Event (); event.item = item; sendEvent (DWT.Expand, event); item.expanded = true; ignoreExpand = true; (cast(NSOutlineView) view).expandItem (item.handle); ignoreExpand = false; return false; } return item.expanded; } void outlineView_setObjectValue_forTableColumn_byItem (objc.id id, objc.SEL sel, objc.id outlineView, objc.id object, objc.id tableColumn, objc.id itemID) { if (checkColumn !is null && tableColumn is checkColumn.id) { TreeItem item = cast(TreeItem) display.getWidget (itemID); item.checked = !item.checked; Event event = new Event (); event.detail = DWT.CHECK; event.item = item; postEvent (DWT.Selection, event); NSOutlineView view = cast(NSOutlineView)this.view; NSInteger rowIndex = view.rowForItem (new cocoa.id (itemID)); NSRect rect = view.rectOfRow (rowIndex); view.setNeedsDisplayInRect (rect); } } void register () { super.register (); display.addWidget (headerView, this); display.addWidget (dataCell, this); } void releaseChildren (bool destroy) { for (int i=0; i<items.length; i++) { TreeItem item = items [i]; if (item !is null && !item.isDisposed ()) { item.release (false); } } items = null; if (columns !is null) { for (int i=0; i<columnCount; i++) { TreeColumn column = columns [i]; if (column !is null && !column.isDisposed ()) { column.release (false); } } columns = null; } super.releaseChildren (destroy); } void releaseHandle () { super.releaseHandle (); if (headerView !is null) headerView.release (); headerView = null; if (firstColumn !is null) firstColumn.release (); firstColumn = null; if (checkColumn !is null) checkColumn.release (); checkColumn = null; if (dataCell !is null) dataCell.release (); dataCell = null; } void releaseWidget () { super.releaseWidget (); //release handle sortColumn = null; } /** * Removes all of the items from the receiver. * * @exception DWTException <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 !is null && !item.isDisposed ()) item.release (false); } items = new TreeItem [4]; itemCount = 0; (cast(NSOutlineView) view).reloadItem (null); } /** * 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 DWTException <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 is null) error (DWT.ERROR_NULL_ARGUMENT); eventTable.unhook (DWT.Selection, listener); eventTable.unhook (DWT.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 DWTException <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 is null) error (DWT.ERROR_NULL_ARGUMENT); if (eventTable is null) return; eventTable.unhook (DWT.Expand, listener); eventTable.unhook (DWT.Collapse, listener); } /** * 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 DWTException <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, bool before) { checkWidget (); if (item !is null) { if (item.isDisposed ()) error (DWT.ERROR_INVALID_ARGUMENT); } } /** * Selects all of the items in the receiver. * <p> * If the receiver is single-select, do nothing. * </p> * * @exception DWTException <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 & DWT.SINGLE) !is 0) return; NSOutlineView widget = cast(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 DWTException <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 is null) error (DWT.ERROR_NULL_ARGUMENT); if (item.isDisposed ()) error (DWT.ERROR_INVALID_ARGUMENT); showItem (item); NSOutlineView outlineView = cast(NSOutlineView) view; outlineView.selectRow (outlineView.rowForItem (item.handle), false); } void sendDoubleSelection() { postEvent (DWT.DefaultSelection); } bool sendKeyEvent (NSEvent nsEvent, int type) { bool result = super.sendKeyEvent (nsEvent, type); if (!result) return result; if (type !is DWT.KeyDown) return result; ushort keyCode = nsEvent.keyCode (); switch (keyCode) { case 76: /* KP Enter */ case 36: { /* Return */ postEvent (DWT.DefaultSelection); break; } } return result; } void setBackground (Carbon.CGFloat [] color) { super.setBackground (color); NSColor nsColor; if (color is null) { nsColor = null; } else { nsColor = NSColor.colorWithDeviceRed (color [0], color [1], color [2], 1); } (cast(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 DWTException <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(bool) * @see DWT#Move * * @since 3.2 */ public void setColumnOrder (int [] order) { checkWidget (); if (order is null) error (DWT.ERROR_NULL_ARGUMENT); if (columnCount is 0) { if (order.length !is 0) error (DWT.ERROR_INVALID_ARGUMENT); return; } if (order.length !is columnCount) error (DWT.ERROR_INVALID_ARGUMENT); int [] oldOrder = getColumnOrder (); bool reorder = false; bool [] seen = new bool [columnCount]; for (int i=0; i<order.length; i++) { int index = order [i]; if (index < 0 || index >= columnCount) error (DWT.ERROR_INVALID_ARGUMENT); if (seen [index]) error (DWT.ERROR_INVALID_ARGUMENT); seen [index] = true; if (order [i] !is oldOrder [i]) reorder = true; } if (reorder) { NSOutlineView outlineView = cast(NSOutlineView)view; int [] oldX = new int [oldOrder.length]; int check = (style & DWT.CHECK) !is 0 ? 1 : 0; for (int i=0; i<oldOrder.length; i++) { int index = oldOrder[i]; oldX [index] = cast(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 = outlineView.columnWithIdentifier (column.nsColumn); int newIndex = i + check; outlineView.moveColumn (oldIndex, newIndex); newX [index] = cast(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] !is oldX [i]) { column.sendEvent (DWT.Move); } } } } } void setFont(NSFont font) { super.setFont (font); if (!hooks (DWT.MeasureItem)) { float ascent = font.ascender (); float descent = -font.descender () + font.leading (); (cast(NSOutlineView)view).setRowHeight (cast(int)Math.ceil (ascent + descent) + 1); } else { view.setNeedsDisplay (true); } } /** * Marks the receiver's header as visible if the argument is <code>true</code>, * and marks it invisible otherwise. * <p> * If one of the receiver's ancestors is not visible or some * other condition makes the receiver not visible, marking * it visible may not actually cause it to be displayed. * </p> * * @param show the new visibility state * * @exception DWTException <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 (bool show) { checkWidget (); (cast(NSOutlineView) view).setHeaderView (show ? headerView : null); } /** * Sets the number of root-level items contained in the receiver. * * @param count the number of items * * @exception DWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @since 3.2 */ public void setItemCount (int count) { checkWidget (); count = Math.max (0, count); setItemCount (null, count); } void setItemCount (TreeItem parentItem, int count) { int itemCount = getItemCount (parentItem); if (count is itemCount) return; TreeItem [] children = parentItem is null ? items : parentItem.items; if (count < itemCount) { for (int index = count; index < itemCount; index ++) { TreeItem item = children [index]; if (item !is null && !item.isDisposed()) item.release (false); } } if (count > itemCount) { if ((getStyle() & DWT.VIRTUAL) is 0) { for (int i=itemCount; i<count; i++) { new TreeItem (this, parentItem, DWT.NONE, i, true); } return; } } int length = Math.max (4, (count + 3) / 4 * 4); TreeItem [] newItems = new TreeItem [length]; if (children !is null) { System.arraycopy (children, 0, newItems, 0, Math.min (count, itemCount)); } children = newItems; if (parentItem is null) { this.items = newItems; this.itemCount = count; } else { parentItem.items = newItems; parentItem.itemCount = count; } NSOutlineView widget = cast(NSOutlineView) view; widget.reloadItem (parentItem !is null ? parentItem.handle : null, true); widget.noteNumberOfRowsChanged(); } /*public*/ void setItemHeight (int itemHeight) { checkWidget (); if (itemHeight < -1) error (DWT.ERROR_INVALID_ARGUMENT); if (itemHeight is -1) { //TODO - reset item height, ensure other API's such as setFont don't do this } else { // OS.SetDataBrowserTableViewRowHeight (handle, cast(short) itemHeight); } } void setItemHeight (Image image) { // Rectangle bounds = image !is null ? image.getBounds () : imageBounds; // if (bounds is null) return; // imageBounds = bounds; // short [] height = new short [1]; // if (OS.GetDataBrowserTableViewRowHeight (handle, height) is OS.noErr) { // if (height [0] < bounds.height) { // OS.SetDataBrowserTableViewRowHeight (handle, cast(short) bounds.height); // } // } } /** * Marks the receiver's lines as visible if the argument is <code>true</code>, * and marks it invisible otherwise. * <p> * If one of the receiver's ancestors is not visible or some * other condition makes the receiver not visible, marking * it visible may not actually cause it to be displayed. * </p> * * @param show the new visibility state * * @exception DWTException <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 (bool show) { checkWidget (); (cast(NSOutlineView) view).setUsesAlternatingRowBackgroundColors (show); } public void setRedraw (bool redraw) { checkWidget (); super.setRedraw (redraw); if (redraw && drawCount is 0) { setScrollWidth (); } } bool setScrollWidth () { return setScrollWidth (items, true, true); } bool setScrollWidth (TreeItem item, bool recurse, bool callMeasureItem) { return setScrollWidth ([item], recurse, callMeasureItem); } bool setScrollWidth (TreeItem[] items, bool recurse, bool callMeasureItem) { if (columnCount !is 0) return false; // if (currentItem !is null) { // if (currentItem !is item) fixScrollWidth = true; // return false; // } if (/*ignoreRedraw ||*/ drawCount !is 0) return false; int newWidth = 0; GC gc = new GC (this); for (int i = 0; i < items.length; i++) { TreeItem item = items[i]; if (item !is null && !item.isDisposed ()) { newWidth = Math.max (newWidth, item.calculateWidth (0, gc, recurse, callMeasureItem)); if (isDisposed ()) { gc.dispose (); return false; } } } gc.dispose (); if (firstColumn.width () < newWidth) { NSOutlineView outlineView = cast(NSOutlineView)view; NSTableViewColumnAutoresizingStyle oldResize = outlineView.columnAutoresizingStyle (); outlineView.setColumnAutoresizingStyle (OS.NSTableViewNoColumnAutoresizing); firstColumn.setWidth (newWidth); outlineView.setColumnAutoresizingStyle (oldResize); 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 DWTException <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 is null) error (DWT.ERROR_NULL_ARGUMENT); setSelection ([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 DWTException <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 is null) error (DWT.ERROR_NULL_ARGUMENT); deselectAll (); int length = items.length; if (length is 0 || ((style & DWT.SINGLE) !is 0 && length > 1)) return; NSOutlineView outlineView = cast(NSOutlineView) view; NSMutableIndexSet rows = cast(NSMutableIndexSet) (new NSMutableIndexSet ()).alloc ().init (); rows.autorelease (); for (int i=0; i<length; i++) { if (items [i] !is null) { if (items [i].isDisposed ()) error (DWT.ERROR_INVALID_ARGUMENT); TreeItem item = items [i]; showItem (items [i], false); rows.addIndex (outlineView.rowForItem (item.handle)); } } ignoreSelect = true; outlineView.selectRowIndexes (rows, false); ignoreSelect = false; if (items.length > 0) showItem(items[0], true); } /** * Sets the column used by the sort indicator for the receiver. A null * value will clear the sort indicator. The current sort column is cleared * before the new column is set. * * @param column the column used by the sort indicator or <code>null</code> * * @exception IllegalArgumentException <ul> * <li>ERROR_INVALID_ARGUMENT - if the column is disposed</li> * </ul> * @exception DWTException <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 !is null && column.isDisposed ()) error (DWT.ERROR_INVALID_ARGUMENT); if (column is sortColumn) return; TreeColumn oldSortColumn = sortColumn; sortColumn = column; if (sortDirection is DWT.NONE) return; NSTableHeaderView headerView = (cast(NSOutlineView)view).headerView (); if (headerView is null) return; if (oldSortColumn !is null) { NSInteger index = (cast(NSOutlineView)view).columnWithIdentifier (oldSortColumn.nsColumn); NSRect rect = headerView.headerRectOfColumn (index); headerView.setNeedsDisplayInRect (rect); } if (sortColumn !is null) { NSInteger index = (cast(NSOutlineView)view).columnWithIdentifier (sortColumn.nsColumn); NSRect rect = headerView.headerRectOfColumn (index); headerView.setNeedsDisplayInRect (rect); } } /** * 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 DWTException <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 !is DWT.UP && direction !is DWT.DOWN && direction !is DWT.NONE) return; if (direction is sortDirection) return; sortDirection = direction; if (sortColumn is null) return; NSTableHeaderView headerView = (cast(NSOutlineView)view).headerView (); if (headerView is null) return; NSInteger index = (cast(NSOutlineView)view).columnWithIdentifier (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 DWTException <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 is null) error (DWT.ERROR_NULL_ARGUMENT); if (item.isDisposed ()) error (DWT.ERROR_INVALID_ARGUMENT); showItem (item, false); NSOutlineView outlineView = cast(NSOutlineView) view; //FIXME (cast(NSOutlineView) view).scrollRowToVisible (outlineView.rowForItem (item.handle)); } /** * 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 DWTException <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 is null) error (DWT.ERROR_NULL_ARGUMENT); if (column.isDisposed()) error (DWT.ERROR_INVALID_ARGUMENT); if (column.parent !is this) return; if (columnCount <= 1) return; int index = cast(int)/*64*/(cast(NSOutlineView)view).columnWithIdentifier (column.nsColumn); if (!(0 <= index && index < columnCount + ((style & DWT.CHECK) !is 0 ? 1 : 0))) return; (cast(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 DWTException <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 is null) error (DWT.ERROR_NULL_ARGUMENT); if (item.isDisposed ()) error (DWT.ERROR_INVALID_ARGUMENT); showItem (item, true); } void showItem (TreeItem item, bool scroll) { TreeItem parentItem = item.parentItem; if (parentItem !is null && !parentItem.expanded) { showItem (parentItem, false); parentItem.setExpanded (true); } if (scroll) { NSOutlineView outlineView = cast(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 DWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @see Tree#showItem(TreeItem) */ public void showSelection () { checkWidget (); //checkItems (false); //TODO - optimize TreeItem [] selection = getSelection (); if (selection.length > 0) showItem (selection [0], true); } }