| /******************************************************************************* |
| * Copyright (c) 2000, 2016 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.swt.widgets; |
| |
| |
| import org.eclipse.swt.*; |
| import org.eclipse.swt.events.*; |
| import org.eclipse.swt.graphics.*; |
| import org.eclipse.swt.internal.cocoa.*; |
| |
| /** |
| * Instances of this class represent a selectable user interface |
| * object that displays a list of strings and issues notification |
| * when a string is selected. A list may be single or multi select. |
| * <p> |
| * <dl> |
| * <dt><b>Styles:</b></dt> |
| * <dd>SINGLE, MULTI</dd> |
| * <dt><b>Events:</b></dt> |
| * <dd>Selection, DefaultSelection</dd> |
| * </dl> |
| * <p> |
| * Note: Only one of 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/#list">List 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 List extends Scrollable { |
| NSTableColumn column; |
| String [] items; |
| int itemCount; |
| boolean ignoreSelect, didSelect, rowsChanged, mouseIsDown; |
| |
| static int NEXT_ID; |
| |
| 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 Widget#checkSubclass |
| * @see Widget#getStyle |
| */ |
| public List (Composite parent, int style) { |
| super (parent, checkStyle (style)); |
| } |
| |
| @Override |
| long /*int*/ accessibilityAttributeValue (long /*int*/ id, long /*int*/ sel, long /*int*/ arg0) { |
| // if (attributeName.isEqualToString(OS.NSAccessibilityHeaderAttribute)) { |
| // /* |
| // * Bug in the Macintosh. Even when the header is not visible, |
| // * VoiceOver still reports each column header's role for every row. |
| // * This is confusing and overly verbose. The fix is to return |
| // * "no header" when the screen reader asks for the header, by |
| // * returning noErr without setting the event parameter. |
| // */ |
| // return 0; |
| // } |
| |
| return super.accessibilityAttributeValue(id, sel, arg0); |
| } |
| |
| @Override |
| boolean acceptsFirstResponder (long /*int*/ id, long /*int*/ sel) { |
| return true; |
| } |
| |
| /** |
| * Adds the argument to the end of the receiver's list. |
| * <p> |
| * Note: If control characters like '\n', '\t' etc. are used |
| * in the string, then the behavior is platform dependent. |
| * </p> |
| * @param string the new item |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the string is null</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @see #add(String,int) |
| */ |
| public void add (String string) { |
| checkWidget(); |
| if (string == null) error (SWT.ERROR_NULL_ARGUMENT); |
| if (itemCount == items.length) { |
| String [] newItems = new String [itemCount + 4]; |
| System.arraycopy (items, 0, newItems, 0, items.length); |
| items = newItems; |
| } |
| items [itemCount++] = string; |
| updateRowCount(); |
| setScrollWidth(string); |
| } |
| |
| /** |
| * Adds the argument to the receiver's list at the given |
| * zero-relative index. |
| * <p> |
| * Note: To add an item at the end of the list, use the |
| * result of calling <code>getItemCount()</code> as the |
| * index or use <code>add(String)</code>. |
| * </p><p> |
| * Also note, if control characters like '\n', '\t' etc. are used |
| * in the string, then the behavior is platform dependent. |
| * </p> |
| * |
| * @param string the new item |
| * @param index the index for the item |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the string is null</li> |
| * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list (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 #add(String) |
| */ |
| public void add (String string, int index) { |
| checkWidget(); |
| if (string == null) error (SWT.ERROR_NULL_ARGUMENT); |
| if (!(0 <= index && index <= itemCount)) error (SWT.ERROR_INVALID_RANGE); |
| if (itemCount == items.length) { |
| String [] newItems = new String [itemCount + 4]; |
| System.arraycopy (items, 0, newItems, 0, items.length); |
| items = newItems; |
| } |
| System.arraycopy (items, index, items, index + 1, itemCount++ - index); |
| items [index] = string; |
| updateRowCount(); |
| if (index != itemCount) fixSelection (index, true); |
| setScrollWidth(string); |
| } |
| |
| /** |
| * 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> |
| * <code>widgetSelected</code> is called when the selection changes. |
| * <code>widgetDefaultSelected</code> is typically called when an item is double-clicked. |
| * </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); |
| } |
| |
| static int checkStyle (int style) { |
| return checkBits (style, SWT.SINGLE, SWT.MULTI, 0, 0, 0, 0); |
| } |
| |
| @Override |
| public Point computeSize (int wHint, int hHint, boolean changed) { |
| checkWidget(); |
| int width = 0; |
| if (wHint == SWT.DEFAULT) { |
| NSCell cell = column.dataCell (); |
| Font font = this.font != null ? this.font : defaultFont (); |
| cell.setFont (font.handle); |
| for (int i = 0; i < items.length; i++) { |
| if (items[i] != null) { |
| cell.setTitle (NSString.stringWith (items[i])); |
| NSSize size = cell.cellSize (); |
| width = Math.max (width, (int)Math.ceil (size.width)); |
| } |
| } |
| width += CELL_GAP; |
| } else { |
| width = wHint; |
| } |
| if (width <= 0) width = DEFAULT_WIDTH; |
| int height = 0; |
| if (hHint == SWT.DEFAULT) { |
| int itemHeight = getItemHeight () + CELL_GAP; |
| height = itemCount * itemHeight; |
| } else { |
| height = hHint; |
| } |
| if (height <= 0) height = DEFAULT_HEIGHT; |
| Rectangle rect = computeTrim (0, 0, width, height); |
| return new Point (rect.width, rect.height); |
| } |
| |
| @Override |
| void createHandle () { |
| NSScrollView scrollWidget = (NSScrollView)new SWTScrollView().alloc(); |
| scrollWidget.init(); |
| if ((style & SWT.H_SCROLL) != 0) scrollWidget.setHasHorizontalScroller(true); |
| if ((style & SWT.V_SCROLL) != 0) scrollWidget.setHasVerticalScroller(true); |
| scrollWidget.setAutohidesScrollers(true); |
| scrollWidget.setBorderType((style & SWT.BORDER) != 0 ? OS.NSBezelBorder : OS.NSNoBorder); |
| |
| NSTableView widget = (NSTableView)new SWTTableView().alloc(); |
| widget.init(); |
| widget.setAllowsMultipleSelection((style & SWT.MULTI) != 0); |
| widget.setDataSource(widget); |
| widget.setHeaderView(null); |
| widget.setDelegate(widget); |
| if ((style & SWT.H_SCROLL) != 0) { |
| 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); |
| |
| column = (NSTableColumn)new NSTableColumn().alloc(); |
| column = column.initWithIdentifier(NSString.stringWith(String.valueOf(++NEXT_ID))); |
| column.setWidth(0); |
| widget.addTableColumn (column); |
| |
| scrollView = scrollWidget; |
| view = widget; |
| } |
| |
| @Override |
| void createWidget () { |
| super.createWidget (); |
| items = new String [4]; |
| } |
| |
| @Override |
| Color defaultBackground () { |
| return display.getWidgetColor (SWT.COLOR_LIST_BACKGROUND); |
| } |
| |
| @Override |
| NSFont defaultNSFont () { |
| return display.tableViewFont; |
| } |
| |
| @Override |
| Color defaultForeground () { |
| return display.getWidgetColor (SWT.COLOR_LIST_FOREGROUND); |
| } |
| |
| /** |
| * Deselects the item at the given zero-relative index in the receiver. |
| * If the item at the index was already deselected, it remains |
| * deselected. Indices that are out of range are ignored. |
| * |
| * @param index the index of the item to deselect |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public void deselect (int index) { |
| checkWidget(); |
| if (0 <= index && index < itemCount) { |
| NSTableView widget = (NSTableView)view; |
| ignoreSelect = true; |
| widget.deselectRow (index); |
| ignoreSelect = false; |
| } |
| } |
| |
| /** |
| * Deselects the items at the given zero-relative indices in the receiver. |
| * If the item at the given zero-relative index in the receiver |
| * is selected, it is deselected. If the item at the index |
| * was not selected, it remains deselected. The range of the |
| * indices is inclusive. Indices that are out of range are ignored. |
| * |
| * @param start the start index of the items to deselect |
| * @param end the end index of the items to deselect |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public void deselect (int start, int end) { |
| checkWidget(); |
| if (start > end) return; |
| if (end < 0 || start >= itemCount) return; |
| start = Math.max (0, start); |
| end = Math.min (itemCount - 1, end); |
| if (start == 0 && end == itemCount - 1) { |
| deselectAll (); |
| } else { |
| NSTableView widget = (NSTableView)view; |
| ignoreSelect = true; |
| for (int i=start; i<=end; i++) { |
| widget.deselectRow (i); |
| } |
| ignoreSelect = false; |
| } |
| } |
| |
| /** |
| * Deselects the items at the given zero-relative indices in the receiver. |
| * If the item at the given zero-relative index in the receiver |
| * is selected, it is deselected. If the item at the index |
| * was not selected, it remains deselected. Indices that are out |
| * of range and duplicate indices are ignored. |
| * |
| * @param indices the array of indices for the items to deselect |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the set of indices is null</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public void deselect (int [] indices) { |
| checkWidget(); |
| if (indices == null) error (SWT.ERROR_NULL_ARGUMENT); |
| NSTableView widget = (NSTableView)view; |
| ignoreSelect = true; |
| for (int i=0; i<indices.length; i++) { |
| widget.deselectRow (indices [i]); |
| } |
| ignoreSelect = false; |
| } |
| |
| /** |
| * Deselects all selected items in the receiver. |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public void deselectAll () { |
| checkWidget (); |
| NSTableView widget = (NSTableView)view; |
| ignoreSelect = true; |
| widget.deselectAll(null); |
| ignoreSelect = false; |
| } |
| |
| @Override |
| boolean dragDetect(int x, int y, boolean filter, boolean[] consume) { |
| NSTableView widget = (NSTableView)view; |
| NSPoint pt = new NSPoint(); |
| pt.x = x; |
| pt.y = y; |
| long /*int*/ row = widget.rowAtPoint(pt); |
| if (row == -1) return false; |
| boolean dragging = super.dragDetect(x, y, filter, consume); |
| if (dragging) { |
| if (!widget.isRowSelected(row)) { |
| //TODO expand current selection when Shift, Command key pressed?? |
| NSIndexSet set = (NSIndexSet)new NSIndexSet().alloc(); |
| set = set.initWithIndex(row); |
| widget.selectRowIndexes (set, false); |
| set.release(); |
| } |
| } |
| consume[0] = dragging; |
| return dragging; |
| } |
| |
| @Override |
| void drawBackgroundInClipRect(long /*int*/ id, long /*int*/ sel, NSRect rect) { |
| super.drawViewBackgroundInRect(id, sel, rect); |
| if (id != view.id) return; |
| fillBackground (view, NSGraphicsContext.currentContext(), rect, -1); |
| } |
| |
| void fixSelection (int index, boolean add) { |
| int [] selection = getSelectionIndices (); |
| if (selection.length == 0) return; |
| int newCount = 0; |
| boolean fix = false; |
| for (int i = 0; i < selection.length; i++) { |
| if (!add && selection [i] == index) { |
| fix = true; |
| } else { |
| int newIndex = newCount++; |
| selection [newIndex] = selection [i]; |
| if (selection [newIndex] >= index) { |
| selection [newIndex] += add ? 1 : -1; |
| fix = true; |
| } |
| } |
| } |
| if (fix) select (selection, newCount, true); |
| } |
| |
| /** |
| * Returns the zero-relative index of the item which currently |
| * has the focus in the receiver, or -1 if no item has focus. |
| * |
| * @return the index of the selected item |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public int getFocusIndex () { |
| checkWidget(); |
| return (int)/*64*/((NSTableView)view).selectedRow(); |
| } |
| |
| /** |
| * Returns the item at the given, zero-relative index in the |
| * receiver. Throws an exception if the index is out of range. |
| * |
| * @param index the index of the item to return |
| * @return the item at the given index |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public String getItem (int index) { |
| checkWidget(); |
| if (!(0 <= index && index < itemCount)) error (SWT.ERROR_INVALID_RANGE); |
| return items [index]; |
| } |
| |
| /** |
| * Returns the number of items contained in the receiver. |
| * |
| * @return the number of items |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public int getItemCount () { |
| checkWidget(); |
| return itemCount; |
| } |
| |
| /** |
| * Returns the height of the area which would be used to |
| * display <em>one</em> of the items in the list. |
| * |
| * @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)((NSTableView)view).rowHeight(); |
| } |
| |
| /** |
| * Returns a (possibly empty) array of <code>String</code>s which |
| * are the items in the receiver. |
| * <p> |
| * Note: This is not the actual structure used by the receiver |
| * to maintain its list of items, so modifying the array will |
| * not affect the receiver. |
| * </p> |
| * |
| * @return the items in the receiver's list |
| * |
| * @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 String [] getItems () { |
| checkWidget(); |
| String [] result = new String [itemCount]; |
| System.arraycopy (items, 0, result, 0, itemCount); |
| return result; |
| } |
| |
| /** |
| * Returns an array of <code>String</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 String [] getSelection () { |
| checkWidget (); |
| NSTableView widget = (NSTableView)view; |
| if (widget.numberOfSelectedRows() == 0) { |
| return new String [0]; |
| } |
| NSIndexSet selection = widget.selectedRowIndexes(); |
| int count = (int)/*64*/selection.count(); |
| long /*int*/ [] indexBuffer = new long /*int*/ [count]; |
| selection.getIndexes(indexBuffer, count, 0); |
| String [] result = new String [count]; |
| for (int i=0; i<count; i++) { |
| result [i] = items [(int)/*64*/indexBuffer [i]]; |
| } |
| 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*/((NSTableView)view).numberOfSelectedRows(); |
| } |
| |
| /** |
| * Returns the zero-relative index of the item which is currently |
| * selected in the receiver, or -1 if no item is selected. |
| * |
| * @return the index of the selected item or -1 |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public int getSelectionIndex () { |
| checkWidget(); |
| NSTableView widget = (NSTableView)view; |
| if (widget.numberOfSelectedRows() == 0) { |
| return -1; |
| } |
| NSIndexSet selection = widget.selectedRowIndexes(); |
| int count = (int)/*64*/selection.count(); |
| long /*int*/ [] result = new long /*int*/ [count]; |
| selection.getIndexes(result, count, 0); |
| return (int)/*64*/result [0]; |
| } |
| |
| /** |
| * Returns the zero-relative indices of the items which are currently |
| * selected in the receiver. The order of the indices is unspecified. |
| * The array is empty if no items are selected. |
| * <p> |
| * Note: This is not the actual structure used by the receiver |
| * to maintain its selection, so modifying the array will |
| * not affect the receiver. |
| * </p> |
| * @return the array of indices of the selected items |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public int [] getSelectionIndices () { |
| checkWidget (); |
| NSTableView widget = (NSTableView)view; |
| if (widget.numberOfSelectedRows() == 0) { |
| return new int [0]; |
| } |
| NSIndexSet selection = widget.selectedRowIndexes(); |
| int count = (int)/*64*/selection.count(); |
| long /*int*/ [] indices = new long /*int*/ [count]; |
| selection.getIndexes(indices, count, 0); |
| int [] result = new int [count]; |
| for (int i = 0; i < result.length; i++) { |
| result [i] = (int)/*64*/indices [i]; |
| } |
| return result; |
| } |
| |
| /** |
| * Returns the zero-relative index of the item which is currently |
| * at the top of the receiver. This index can change when items are |
| * scrolled or new items are added or removed. |
| * |
| * @return the index of the top item |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public int getTopIndex () { |
| checkWidget(); |
| //TODO - partial item at the top |
| NSRect rect = scrollView.documentVisibleRect(); |
| NSPoint point = new NSPoint(); |
| point.x = rect.x; |
| point.y = rect.y; |
| int result = (int)/*64*/((NSTableView)view).rowAtPoint(point); |
| if (result == -1) result = 0; |
| return result; |
| } |
| |
| /** |
| * Gets the index of an item. |
| * <p> |
| * The list is searched starting at 0 until an |
| * item is found that is equal to the search item. |
| * If no item is found, -1 is returned. Indexing |
| * is zero based. |
| * |
| * @param string the search item |
| * @return the index of the item |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the string is null</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public int indexOf (String string) { |
| checkWidget(); |
| if (string == null) error (SWT.ERROR_NULL_ARGUMENT); |
| for (int i=0; i<itemCount; i++) { |
| if (items [i].equals (string)) return i; |
| } |
| return -1; |
| } |
| |
| /** |
| * Searches the receiver's list starting at the given, |
| * zero-relative index until an item is found that is equal |
| * to the argument, and returns the index of that item. If |
| * no item is found or the starting index is out of range, |
| * returns -1. |
| * |
| * @param string the search item |
| * @param start the zero-relative index at which to start the search |
| * @return the index of the item |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the string is null</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public int indexOf (String string, int start) { |
| checkWidget(); |
| if (string == null) error (SWT.ERROR_NULL_ARGUMENT); |
| for (int i=start; i<itemCount; i++) { |
| if (items [i].equals (string)) return i; |
| } |
| return -1; |
| } |
| |
| /** |
| * Returns <code>true</code> if the item is selected, |
| * and <code>false</code> otherwise. Indices out of |
| * range are ignored. |
| * |
| * @param index the index of the item |
| * @return the selection state of the item at the index |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public boolean isSelected (int index) { |
| checkWidget(); |
| if (!(0 <= index && index < itemCount)) return false; |
| return ((NSTableView)view).isRowSelected(index); |
| } |
| |
| /* |
| * 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. |
| */ |
| @Override |
| long /*int*/ menuForEvent(long /*int*/ id, long /*int*/ sel, long /*int*/ theEvent) { |
| if (display.lastHandledMenuForEventId == theEvent) return 0; |
| NSEvent event = new NSEvent(theEvent); |
| NSTableView table = (NSTableView)view; |
| |
| // get the current selections for the outline view. |
| NSIndexSet selectedRowIndexes = table.selectedRowIndexes(); |
| |
| // select the row that was clicked before showing the menu for the event |
| NSPoint mousePoint = view.convertPoint_fromView_(event.locationInWindow(), null); |
| long /*int*/ row = table.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); |
| table.selectRowIndexes (set, false); |
| set.release(); |
| } |
| // else that row is currently selected, so don't change anything. |
| |
| return super.menuForEvent(id, sel, theEvent); |
| } |
| |
| @Override |
| void mouseDownSuper(long /*int*/ id, long /*int*/ sel, long /*int*/ theEvent) { |
| ignoreSelect = false; |
| NSTableView widget = (NSTableView)view; |
| NSEvent nsEvent = new NSEvent(theEvent); |
| NSPoint pt = view.convertPoint_fromView_(nsEvent.locationInWindow(), null); |
| int row = (int)/*64*/widget.rowAtPoint(pt); |
| if (row != -1 && (nsEvent.modifierFlags() & OS.NSDeviceIndependentModifierFlagsMask) == 0 && nsEvent.clickCount() == 1) { |
| if (widget.isRowSelected(row) && widget.selectedRowIndexes().count() == 1) { |
| if (0 <= row && row < itemCount) { |
| sendSelection(); |
| } |
| } |
| } |
| didSelect = false; |
| super.mouseDownSuper(id, sel, theEvent); |
| didSelect = false; |
| } |
| |
| @Override |
| boolean needsPanelToBecomeKey (long /*int*/ id, long /*int*/ sel) { |
| return false; |
| } |
| |
| @Override |
| long /*int*/ numberOfRowsInTableView(long /*int*/ id, long /*int*/ sel, long /*int*/ aTableView) { |
| return itemCount; |
| } |
| |
| @Override |
| void releaseHandle () { |
| super.releaseHandle (); |
| if (column != null) column.release(); |
| column = null; |
| } |
| |
| @Override |
| void releaseWidget () { |
| super.releaseWidget (); |
| items = null; |
| } |
| |
| /** |
| * Removes the item from the receiver at the given |
| * zero-relative index. |
| * |
| * @param index the index for the item |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public void remove (int index) { |
| checkWidget(); |
| if (!(0 <= index && index < itemCount)) error (SWT.ERROR_INVALID_RANGE); |
| remove(index, true); |
| } |
| |
| void remove (int index, boolean fixScroll) { |
| if (index != itemCount - 1) fixSelection (index, false); |
| System.arraycopy (items, index + 1, items, index, --itemCount - index); |
| items [itemCount] = null; |
| updateRowCount(); |
| if (fixScroll) setScrollWidth(); |
| } |
| |
| /** |
| * Removes the items from the receiver which are |
| * between the given zero-relative start and end |
| * indices (inclusive). |
| * |
| * @param start the start of the range |
| * @param end the end of the range |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_INVALID_RANGE - if either the start or end are not between 0 and the number of elements in the list minus 1 (inclusive)</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public void remove (int start, int end) { |
| checkWidget(); |
| if (start > end) return; |
| if (!(0 <= start && start <= end && end < itemCount)) { |
| error (SWT.ERROR_INVALID_RANGE); |
| } |
| int length = end - start + 1; |
| for (int i=0; i<length; i++) remove (start, false); |
| setScrollWidth(); |
| } |
| |
| /** |
| * Searches the receiver's list starting at the first item |
| * until an item is found that is equal to the argument, |
| * and removes that item from the list. |
| * |
| * @param string the item to remove |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the string is null</li> |
| * <li>ERROR_INVALID_ARGUMENT - if the string is not found in the list</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 remove (String string) { |
| checkWidget(); |
| if (string == null) error (SWT.ERROR_NULL_ARGUMENT); |
| int index = indexOf (string, 0); |
| if (index == -1) error (SWT.ERROR_INVALID_ARGUMENT); |
| remove (index); |
| } |
| |
| /** |
| * Removes the items from the receiver at the given |
| * zero-relative indices. |
| * |
| * @param indices the array of indices of the items |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)</li> |
| * <li>ERROR_NULL_ARGUMENT - if the indices array is null</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public void remove (int [] indices) { |
| checkWidget (); |
| if (indices == null) error (SWT.ERROR_NULL_ARGUMENT); |
| if (indices.length == 0) return; |
| int [] newIndices = new int [indices.length]; |
| System.arraycopy (indices, 0, newIndices, 0, indices.length); |
| sort (newIndices); |
| int start = newIndices [newIndices.length - 1], end = newIndices [0]; |
| int count = getItemCount (); |
| if (!(0 <= start && start <= end && end < count)) { |
| error (SWT.ERROR_INVALID_RANGE); |
| } |
| int last = -1; |
| for (int i=0; i<newIndices.length; i++) { |
| int index = newIndices [i]; |
| if (index != last) { |
| remove (index, false); |
| last = index; |
| } |
| } |
| setScrollWidth(); |
| } |
| |
| /** |
| * Removes all of the items from the receiver. |
| * <p> |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public void removeAll () { |
| checkWidget(); |
| items = new String [4]; |
| itemCount = 0; |
| updateRowCount(); |
| 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); |
| if (eventTable == null) return; |
| eventTable.unhook(SWT.Selection, listener); |
| eventTable.unhook(SWT.DefaultSelection,listener); |
| } |
| |
| /** |
| * Selects the item at the given zero-relative index in the receiver's |
| * list. If the item at the index was already selected, it remains |
| * selected. Indices that are out of range are ignored. |
| * |
| * @param index the index of the item to select |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public void select (int index) { |
| checkWidget(); |
| if (0 <= index && index < itemCount) { |
| NSIndexSet set = (NSIndexSet)new NSIndexSet().alloc(); |
| set = set.initWithIndex(index); |
| NSTableView widget = (NSTableView)view; |
| ignoreSelect = true; |
| widget.selectRowIndexes(set, (style & SWT.MULTI) != 0); |
| ignoreSelect = false; |
| set.release(); |
| } |
| } |
| |
| /** |
| * Selects the items in the range specified by the given zero-relative |
| * indices in the receiver. The range of indices is inclusive. |
| * The current selection is not cleared before the new items are selected. |
| * <p> |
| * If an item in the given range is not selected, it is selected. |
| * If an item in the given range was already selected, it remains selected. |
| * Indices that are out of range are ignored and no items will be selected |
| * if start is greater than end. |
| * If the receiver is single-select and there is more than one item in the |
| * given range, then all indices are ignored. |
| * |
| * @param start the start of the range |
| * @param end the end of the range |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @see List#setSelection(int,int) |
| */ |
| public void select (int start, int end) { |
| checkWidget (); |
| if (end < 0 || start > end || ((style & SWT.SINGLE) != 0 && start != end)) return; |
| if (itemCount == 0 || start >= itemCount) return; |
| if (start == 0 && end == itemCount - 1) { |
| selectAll (); |
| } else { |
| start = Math.max (0, start); |
| end = Math.min (end, itemCount - 1); |
| NSRange range = new NSRange(); |
| range.location = start; |
| range.length = end - start + 1; |
| NSIndexSet set = (NSIndexSet)new NSIndexSet().alloc(); |
| set = set.initWithIndexesInRange(range); |
| NSTableView widget = (NSTableView)view; |
| ignoreSelect = true; |
| widget.selectRowIndexes(set, (style & SWT.MULTI) != 0); |
| ignoreSelect = false; |
| set.release(); |
| } |
| } |
| |
| /** |
| * Selects the items at the given zero-relative indices in the receiver. |
| * The current selection is not cleared before the new items are selected. |
| * <p> |
| * If the item at a given index is not selected, it is selected. |
| * If the item at a given index was already selected, it remains selected. |
| * Indices that are out of range and duplicate indices are ignored. |
| * If the receiver is single-select and multiple indices are specified, |
| * then all indices are ignored. |
| * |
| * @param indices the array of indices for the items to select |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the array of indices is null</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @see List#setSelection(int[]) |
| */ |
| public void select (int [] indices) { |
| checkWidget (); |
| if (indices == null) error (SWT.ERROR_NULL_ARGUMENT); |
| int length = indices.length; |
| if (length == 0 || ((style & SWT.SINGLE) != 0 && length > 1)) return; |
| int count = 0; |
| NSMutableIndexSet set = (NSMutableIndexSet)new NSMutableIndexSet().alloc().init(); |
| for (int i=0; i<length; i++) { |
| int index = indices [i]; |
| if (index >= 0 && index < itemCount) { |
| set.addIndex (indices [i]); |
| count++; |
| } |
| } |
| if (count > 0) { |
| NSTableView widget = (NSTableView)view; |
| ignoreSelect = true; |
| widget.selectRowIndexes(set, (style & SWT.MULTI) != 0); |
| ignoreSelect = false; |
| } |
| set.release(); |
| } |
| |
| void select (int [] indices, int count, boolean clear) { |
| NSMutableIndexSet set = (NSMutableIndexSet)new NSMutableIndexSet().alloc().init(); |
| for (int i=0; i<count; i++) set.addIndex (indices [i]); |
| NSTableView widget = (NSTableView)view; |
| ignoreSelect = true; |
| widget.selectRowIndexes(set, !clear); |
| ignoreSelect = false; |
| set.release(); |
| } |
| |
| /** |
| * Selects all of the items in the receiver. |
| * <p> |
| * If the receiver is single-select, do nothing. |
| * |
| * @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; |
| NSTableView widget = (NSTableView)view; |
| ignoreSelect = true; |
| widget.selectAll(null); |
| ignoreSelect = false; |
| } |
| |
| @Override |
| void sendDoubleSelection() { |
| if (((NSTableView)view).clickedRow () != -1) { |
| sendSelectionEvent (SWT.DefaultSelection); |
| } |
| } |
| |
| @Override |
| 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 */ |
| sendSelectionEvent (SWT.DefaultSelection); |
| break; |
| } |
| } |
| return result; |
| } |
| |
| @Override |
| boolean sendMouseEvent (NSEvent nsEvent, int type, boolean send) { |
| boolean handleMouseDown = true; |
| if (nsEvent != null) { |
| long /*int*/ nsType = nsEvent.type(); |
| handleMouseDown = nsType == OS.NSLeftMouseDown || nsType == OS.NSLeftMouseUp; |
| } |
| if (handleMouseDown) { |
| if (type == SWT.MouseDown) { |
| mouseIsDown = true; |
| } else if (type == SWT.MouseUp || type == SWT.DragDetect) { |
| mouseIsDown = false; |
| |
| if (rowsChanged) { |
| rowsChanged = false; |
| ((NSTableView)view).noteNumberOfRowsChanged(); |
| } |
| } |
| } |
| return super.sendMouseEvent(nsEvent, type, send); |
| } |
| |
| @Override |
| void sendSelection () { |
| if (ignoreSelect) return; |
| sendSelectionEvent(SWT.Selection); |
| } |
| |
| @Override |
| void setBackgroundColor(NSColor nsColor) { |
| ((NSTableView) view).setBackgroundColor (nsColor); |
| } |
| |
| @Override |
| void setFont (NSFont font) { |
| super.setFont (font); |
| double /*float*/ ascent = font.ascender (); |
| double /*float*/ descent = -font.descender () + font.leading (); |
| ((NSTableView)view).setRowHeight ((int)Math.ceil (ascent + descent) + 1); |
| setScrollWidth(); |
| } |
| |
| /** |
| * Sets the text of the item in the receiver's list at the given |
| * zero-relative index to the string argument. |
| * |
| * @param index the index for the item |
| * @param string the new text for the item |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)</li> |
| * <li>ERROR_NULL_ARGUMENT - if the string is null</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public void setItem (int index, String string) { |
| checkWidget(); |
| if (string == null) error (SWT.ERROR_NULL_ARGUMENT); |
| if (!(0 <= index && index < itemCount)) error (SWT.ERROR_INVALID_RANGE); |
| items [index] = string; |
| NSTableView tableView = (NSTableView)view; |
| NSRect rect = tableView.rectOfRow (index); |
| tableView.setNeedsDisplayInRect (rect); |
| setScrollWidth(string); |
| } |
| |
| /** |
| * Sets the receiver's items to be the given array of items. |
| * |
| * @param items the array of items |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the items array is null</li> |
| * <li>ERROR_INVALID_ARGUMENT - if an item in the items array is null</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public void setItems (String... items) { |
| checkWidget(); |
| if (items == null) error (SWT.ERROR_NULL_ARGUMENT); |
| for (int i=0; i<items.length; i++) { |
| if (items [i] == null) error (SWT.ERROR_INVALID_ARGUMENT); |
| } |
| this.items = new String [items.length]; |
| System.arraycopy (items, 0, this.items, 0, items.length); |
| itemCount = items.length; |
| ((NSTableView)view).reloadData(); |
| setScrollWidth(); |
| } |
| |
| boolean setScrollWidth (String item) { |
| if ((style & SWT.H_SCROLL) == 0) return false; |
| NSCell cell = column.dataCell (); |
| Font font = this.font != null ? this.font : defaultFont (); |
| cell.setFont (font.handle); |
| cell.setTitle (NSString.stringWith (item)); |
| NSSize size = cell.cellSize (); |
| double /*float*/ oldWidth = column.width (); |
| if (oldWidth < size.width) { |
| column.setWidth (size.width); |
| return true; |
| } |
| return false; |
| } |
| |
| boolean setScrollWidth () { |
| if ((style & SWT.H_SCROLL) == 0) return false; |
| if (items == null) return false; |
| NSCell cell = column.dataCell (); |
| Font font = this.font != null ? this.font : defaultFont (); |
| cell.setFont (font.handle); |
| double /*float*/ width = 0; |
| for (int i = 0; i < itemCount; i++) { |
| cell.setTitle (NSString.stringWith (items[i])); |
| NSSize size = cell.cellSize (); |
| width = Math.max (width, size.width); |
| } |
| column.setWidth (width); |
| return true; |
| } |
| |
| /** |
| * Selects the item at the given zero-relative index in the receiver. |
| * If the item at the index was already selected, it remains selected. |
| * The current selection is first cleared, then the new item is selected, |
| * and if necessary the receiver is scrolled to make the new selection visible. |
| * Indices that are out of range are ignored. |
| * |
| * @param index the index of the item to select |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * @see List#deselectAll() |
| * @see List#select(int) |
| */ |
| public void setSelection (int index) { |
| checkWidget(); |
| deselectAll (); |
| if (0 <= index && index < itemCount) { |
| NSIndexSet set = (NSIndexSet)new NSIndexSet().alloc(); |
| set = set.initWithIndex(index); |
| NSTableView widget = (NSTableView)view; |
| ignoreSelect = true; |
| widget.selectRowIndexes(set, false); |
| ignoreSelect = false; |
| set.release(); |
| showIndex (index); |
| } |
| } |
| |
| /** |
| * Selects the items in the range specified by the given zero-relative |
| * indices in the receiver. The range of indices is inclusive. |
| * The current selection is cleared before the new items are selected, |
| * and if necessary the receiver is scrolled to make the new selection visible. |
| * <p> |
| * Indices that are out of range are ignored and no items will be selected |
| * if start is greater than end. |
| * If the receiver is single-select and there is more than one item in the |
| * given range, then all indices are ignored. |
| * |
| * @param start the start index of the items to select |
| * @param end the end index of the items to select |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @see List#deselectAll() |
| * @see List#select(int,int) |
| */ |
| public void setSelection (int start, int end) { |
| checkWidget (); |
| deselectAll (); |
| if (end < 0 || start > end || ((style & SWT.SINGLE) != 0 && start != end)) return; |
| if (itemCount == 0 || start >= itemCount) return; |
| start = Math.max (0, start); |
| end = Math.min (end, itemCount - 1); |
| NSRange range = new NSRange(); |
| range.location = start; |
| range.length = end - start + 1; |
| NSIndexSet set = (NSIndexSet)new NSIndexSet().alloc(); |
| set = set.initWithIndexesInRange(range); |
| NSTableView widget = (NSTableView)view; |
| ignoreSelect = true; |
| widget.selectRowIndexes(set, false); |
| ignoreSelect = false; |
| set.release(); |
| showIndex(end); |
| } |
| |
| /** |
| * Selects the items at the given zero-relative indices in the receiver. |
| * The current selection is cleared before the new items are selected, |
| * and if necessary the receiver is scrolled to make the new selection visible. |
| * <p> |
| * Indices that are out of range and duplicate indices are ignored. |
| * If the receiver is single-select and multiple indices are specified, |
| * then all indices are ignored. |
| * |
| * @param indices the indices of the items to select |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the array of indices is null</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @see List#deselectAll() |
| * @see List#select(int[]) |
| */ |
| public void setSelection (int [] indices) { |
| checkWidget (); |
| if (indices == null) error (SWT.ERROR_NULL_ARGUMENT); |
| deselectAll (); |
| int length = indices.length; |
| if (length == 0 || ((style & SWT.SINGLE) != 0 && length > 1)) return; |
| int [] newIndices = new int [length]; |
| int count = 0; |
| for (int i=0; i<length; i++) { |
| int index = indices [length - i - 1]; |
| if (index >= 0 && index < itemCount) { |
| newIndices [count++] = index; |
| } |
| } |
| if (count > 0) { |
| select (newIndices, count, true); |
| showIndex (newIndices [0]); |
| } |
| } |
| |
| /** |
| * Sets the receiver's selection to be the given array of items. |
| * The current selection is cleared before the new items are selected, |
| * and if necessary the receiver is scrolled to make the new selection visible. |
| * <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. |
| * |
| * @param items the array of items |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the array of items 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 List#deselectAll() |
| * @see List#select(int[]) |
| * @see List#setSelection(int[]) |
| */ |
| public void setSelection (String [] items) { |
| checkWidget (); |
| if (items == null) error (SWT.ERROR_NULL_ARGUMENT); |
| deselectAll (); |
| int length = items.length; |
| if (length == 0 || ((style & SWT.SINGLE) != 0 && length > 1)) return; |
| int count = 0; |
| int [] indices = new int [length]; |
| for (int i=0; i<length; i++) { |
| String string = items [length - i - 1]; |
| if ((style & SWT.SINGLE) != 0) { |
| int index = indexOf (string, 0); |
| if (index != -1) { |
| count = 1; |
| indices = new int [] {index}; |
| } |
| } else { |
| int index = 0; |
| while ((index = indexOf (string, index)) != -1) { |
| if (count == indices.length) { |
| int [] newIds = new int [indices.length + 4]; |
| System.arraycopy (indices, 0, newIds, 0, indices.length); |
| indices = newIds; |
| } |
| indices [count++] = index; |
| index++; |
| } |
| } |
| } |
| if (count > 0) { |
| select (indices, count, true); |
| showIndex (indices [0]); |
| } |
| } |
| |
| /** |
| * Sets the zero-relative index of the item which is currently |
| * at the top of the receiver. This index can change when items |
| * are scrolled or new items are added and removed. |
| * |
| * @param index the index of the top item |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public void setTopIndex (int index) { |
| checkWidget(); |
| NSTableView widget = (NSTableView) view; |
| int row = Math.max(0, Math.min(index, itemCount)); |
| NSPoint pt = new NSPoint(); |
| pt.x = scrollView.contentView().bounds().x; |
| pt.y = widget.frameOfCellAtColumn(0, row).y; |
| view.scrollPoint(pt); |
| } |
| |
| void showIndex (int index) { |
| if (0 <= index && index < itemCount) { |
| ((NSTableView)view).scrollRowToVisible(index); |
| } |
| } |
| |
| /** |
| * Shows the selection. If the selection is already showing in the receiver, |
| * this method simply returns. Otherwise, the items are scrolled until |
| * the selection is visible. |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public void showSelection () { |
| checkWidget(); |
| int index = getSelectionIndex (); |
| if (index >= 0) showIndex (index); |
| } |
| |
| @Override |
| void tableViewSelectionDidChange (long /*int*/ id, long /*int*/ sel, long /*int*/ aNotification) { |
| if (didSelect) return; |
| sendSelection(); |
| } |
| |
| @Override |
| void tableViewSelectionIsChanging (long /*int*/ id, long /*int*/ sel, long /*int*/ aNotification) { |
| didSelect = true; |
| sendSelection(); |
| } |
| |
| @Override |
| long /*int*/ tableView_objectValueForTableColumn_row(long /*int*/ id, long /*int*/ sel, long /*int*/ aTableView, long /*int*/ aTableColumn, long /*int*/ rowIndex) { |
| double /*float*/ [] fg = ((NSTableView)view).isRowSelected(rowIndex) ? null : foreground; |
| NSAttributedString attribStr = createString(items[(int)/*64*/rowIndex], null, fg, SWT.LEFT, false, getEnabled(), false); |
| attribStr.autorelease(); |
| return attribStr.id; |
| } |
| |
| long /*int*/ tableView_selectionIndexesForProposedSelection (long /*int*/ id, long /*int*/ sel, long /*int*/ aTableView, long /*int*/ indexSet) { |
| if ((style & SWT.SINGLE) != 0) { |
| /* |
| * Feature in Cocoa. Calling setAllowsEmptySelection will automatically select the first row of the list. |
| * And, single-selection NSTable/OutlineViews allow the user to de-select the selected item via command-click. |
| * This is normal platform behavior, but for compatibility with other platforms, if the SINGLE style is in use, |
| * force a selection by seeing if the proposed selection set is empty, and if so, put back the currently selected row. |
| */ |
| NSIndexSet indexes = new NSIndexSet(indexSet); |
| NSTableView table = new NSTableView(aTableView); |
| if (indexes.count() != 1 && table.selectedRow() != -1) { |
| NSIndexSet newSelection = (NSIndexSet)new NSIndexSet().alloc(); |
| newSelection = newSelection.initWithIndex(table.selectedRow()); |
| newSelection.autorelease(); |
| return newSelection.id; |
| } |
| } |
| |
| return indexSet; |
| } |
| |
| void updateRowCount() { |
| /* |
| * Feature in Cocoa. Changing the row count while the mouse is tracking will confuse the code that calculates the |
| * current selection. Fix is to not call noteNumberOfRowsChanged if the mouse is down. |
| */ |
| if (mouseIsDown) { |
| rowsChanged = true; |
| } else { |
| NSTableView widget = (NSTableView)view; |
| setRedraw(false); |
| ignoreSelect = true; |
| widget.noteNumberOfRowsChanged (); |
| ignoreSelect = false; |
| widget.tile(); |
| setRedraw(true); |
| } |
| } |
| |
| } |