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Diffstat (limited to 'bundles/org.eclipse.swt/Eclipse SWT Custom Widgets/common/org/eclipse/swt/custom/TableCursor.java')
| -rw-r--r-- | bundles/org.eclipse.swt/Eclipse SWT Custom Widgets/common/org/eclipse/swt/custom/TableCursor.java | 778 |
1 files changed, 0 insertions, 778 deletions
diff --git a/bundles/org.eclipse.swt/Eclipse SWT Custom Widgets/common/org/eclipse/swt/custom/TableCursor.java b/bundles/org.eclipse.swt/Eclipse SWT Custom Widgets/common/org/eclipse/swt/custom/TableCursor.java deleted file mode 100644 index 0408aa5fd7..0000000000 --- a/bundles/org.eclipse.swt/Eclipse SWT Custom Widgets/common/org/eclipse/swt/custom/TableCursor.java +++ /dev/null @@ -1,778 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2000, 2009 IBM Corporation and others. - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Eclipse Public License v1.0 - * which accompanies this distribution, and is available at - * http://www.eclipse.org/legal/epl-v10.html - * - * Contributors: - * IBM Corporation - initial API and implementation - *******************************************************************************/ -package org.eclipse.swt.custom; - -import org.eclipse.swt.*; -import org.eclipse.swt.graphics.*; -import org.eclipse.swt.widgets.*; -import org.eclipse.swt.accessibility.*; -import org.eclipse.swt.events.*; - -/** - * A TableCursor provides a way for the user to navigate around a Table - * using the keyboard. It also provides a mechanism for selecting an - * individual cell in a table. - * - * <p> Here is an example of using a TableCursor to navigate to a cell and then edit it. - * - * <code><pre> - * public static void main(String[] args) { - * Display display = new Display(); - * Shell shell = new Shell(display); - * shell.setLayout(new GridLayout()); - * - * // create a a table with 3 columns and fill with data - * final Table table = new Table(shell, SWT.BORDER | SWT.MULTI | SWT.FULL_SELECTION); - * table.setLayoutData(new GridData(GridData.FILL_BOTH)); - * TableColumn column1 = new TableColumn(table, SWT.NONE); - * TableColumn column2 = new TableColumn(table, SWT.NONE); - * TableColumn column3 = new TableColumn(table, SWT.NONE); - * for (int i = 0; i < 100; i++) { - * TableItem item = new TableItem(table, SWT.NONE); - * item.setText(new String[] { "cell "+i+" 0", "cell "+i+" 1", "cell "+i+" 2"}); - * } - * column1.pack(); - * column2.pack(); - * column3.pack(); - * - * // create a TableCursor to navigate around the table - * final TableCursor cursor = new TableCursor(table, SWT.NONE); - * // create an editor to edit the cell when the user hits "ENTER" - * // while over a cell in the table - * final ControlEditor editor = new ControlEditor(cursor); - * editor.grabHorizontal = true; - * editor.grabVertical = true; - * - * cursor.addSelectionListener(new SelectionAdapter() { - * // when the TableEditor is over a cell, select the corresponding row in - * // the table - * public void widgetSelected(SelectionEvent e) { - * table.setSelection(new TableItem[] {cursor.getRow()}); - * } - * // when the user hits "ENTER" in the TableCursor, pop up a text editor so that - * // they can change the text of the cell - * public void widgetDefaultSelected(SelectionEvent e){ - * final Text text = new Text(cursor, SWT.NONE); - * TableItem row = cursor.getRow(); - * int column = cursor.getColumn(); - * text.setText(row.getText(column)); - * text.addKeyListener(new KeyAdapter() { - * public void keyPressed(KeyEvent e) { - * // close the text editor and copy the data over - * // when the user hits "ENTER" - * if (e.character == SWT.CR) { - * TableItem row = cursor.getRow(); - * int column = cursor.getColumn(); - * row.setText(column, text.getText()); - * text.dispose(); - * } - * // close the text editor when the user hits "ESC" - * if (e.character == SWT.ESC) { - * text.dispose(); - * } - * } - * }); - * editor.setEditor(text); - * text.setFocus(); - * } - * }); - * // Hide the TableCursor when the user hits the "MOD1" or "MOD2" key. - * // This allows the user to select multiple items in the table. - * cursor.addKeyListener(new KeyAdapter() { - * public void keyPressed(KeyEvent e) { - * if (e.keyCode == SWT.MOD1 || - * e.keyCode == SWT.MOD2 || - * (e.stateMask & SWT.MOD1) != 0 || - * (e.stateMask & SWT.MOD2) != 0) { - * cursor.setVisible(false); - * } - * } - * }); - * // Show the TableCursor when the user releases the "MOD2" or "MOD1" key. - * // This signals the end of the multiple selection task. - * table.addKeyListener(new KeyAdapter() { - * public void keyReleased(KeyEvent e) { - * if (e.keyCode == SWT.MOD1 && (e.stateMask & SWT.MOD2) != 0) return; - * if (e.keyCode == SWT.MOD2 && (e.stateMask & SWT.MOD1) != 0) return; - * if (e.keyCode != SWT.MOD1 && (e.stateMask & SWT.MOD1) != 0) return; - * if (e.keyCode != SWT.MOD2 && (e.stateMask & SWT.MOD2) != 0) return; - * - * TableItem[] selection = table.getSelection(); - * TableItem row = (selection.length == 0) ? table.getItem(table.getTopIndex()) : selection[0]; - * table.showItem(row); - * cursor.setSelection(row, 0); - * cursor.setVisible(true); - * cursor.setFocus(); - * } - * }); - * - * shell.open(); - * while (!shell.isDisposed()) { - * if (!display.readAndDispatch()) - * display.sleep(); - * } - * display.dispose(); - * } - * </pre></code> - * - * <dl> - * <dt><b>Styles:</b></dt> - * <dd>BORDER</dd> - * <dt><b>Events:</b></dt> - * <dd>Selection, DefaultSelection</dd> - * </dl> - * - * @since 2.0 - * - * @see <a href="http://www.eclipse.org/swt/snippets/#tablecursor">TableCursor snippets</a> - * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a> - */ -public class TableCursor extends Canvas { - Table table; - TableItem row = null; - TableColumn column = null; - Listener listener, tableListener, resizeListener, disposeItemListener, disposeColumnListener; - - Color background = null; - Color foreground = null; - - // By default, invert the list selection colors - static final int BACKGROUND = SWT.COLOR_LIST_SELECTION_TEXT; - static final int FOREGROUND = SWT.COLOR_LIST_SELECTION; - -/** - * Constructs a new instance of this class given its parent - * table 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 Table 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#BORDER - * @see Widget#checkSubclass() - * @see Widget#getStyle() - */ -public TableCursor(Table parent, int style) { - super(parent, style); - table = parent; - setBackground(null); - setForeground(null); - - listener = new Listener() { - public void handleEvent(Event event) { - switch (event.type) { - case SWT.Dispose : - onDispose(event); - break; - case SWT.FocusIn : - case SWT.FocusOut : - redraw(); - break; - case SWT.KeyDown : - keyDown(event); - break; - case SWT.Paint : - paint(event); - break; - case SWT.Traverse : { - event.doit = true; - switch (event.detail) { - case SWT.TRAVERSE_ARROW_NEXT : - case SWT.TRAVERSE_ARROW_PREVIOUS : - case SWT.TRAVERSE_RETURN : - event.doit = false; - break; - } - break; - } - } - } - }; - int[] events = new int[] {SWT.Dispose, SWT.FocusIn, SWT.FocusOut, SWT.KeyDown, SWT.Paint, SWT.Traverse}; - for (int i = 0; i < events.length; i++) { - addListener(events[i], listener); - } - - tableListener = new Listener() { - public void handleEvent(Event event) { - switch (event.type) { - case SWT.MouseDown : - tableMouseDown(event); - break; - case SWT.FocusIn : - tableFocusIn(event); - break; - } - } - }; - table.addListener(SWT.FocusIn, tableListener); - table.addListener(SWT.MouseDown, tableListener); - - disposeItemListener = new Listener() { - public void handleEvent(Event event) { - unhookRowColumnListeners(); - row = null; - column = null; - _resize(); - } - }; - disposeColumnListener = new Listener() { - public void handleEvent(Event event) { - unhookRowColumnListeners(); - row = null; - column = null; - _resize(); - } - }; - resizeListener = new Listener() { - public void handleEvent(Event event) { - _resize(); - } - }; - ScrollBar hBar = table.getHorizontalBar(); - if (hBar != null) { - hBar.addListener(SWT.Selection, resizeListener); - } - ScrollBar vBar = table.getVerticalBar(); - if (vBar != null) { - vBar.addListener(SWT.Selection, resizeListener); - } - - getAccessible().addAccessibleControlListener(new AccessibleControlAdapter() { - public void getRole(AccessibleControlEvent e) { - e.detail = ACC.ROLE_TABLECELL; - } - }); - getAccessible().addAccessibleListener(new AccessibleAdapter() { - public void getName(AccessibleEvent e) { - if (row == null) return; - int columnIndex = column == null ? 0 : table.indexOf(column); - e.result = row.getText(columnIndex); - } - }); -} - -/** - * 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 <code>SWT.CHECK</code> style set and the check selection changes, - * the event object detail field contains the value <code>SWT.CHECK</code>. - * <code>widgetDefaultSelected</code> is typically called when an item is double-clicked. - * </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 SelectionEvent - * @see #removeSelectionListener(SelectionListener) - * - */ -public void addSelectionListener(SelectionListener listener) { - checkWidget(); - if (listener == null) - SWT.error(SWT.ERROR_NULL_ARGUMENT); - TypedListener typedListener = new TypedListener(listener); - addListener(SWT.Selection, typedListener); - addListener(SWT.DefaultSelection, typedListener); -} - -void onDispose(Event event) { - removeListener(SWT.Dispose, listener); - notifyListeners(SWT.Dispose, event); - event.type = SWT.None; - - table.removeListener(SWT.FocusIn, tableListener); - table.removeListener(SWT.MouseDown, tableListener); - unhookRowColumnListeners(); - ScrollBar hBar = table.getHorizontalBar(); - if (hBar != null) { - hBar.removeListener(SWT.Selection, resizeListener); - } - ScrollBar vBar = table.getVerticalBar(); - if (vBar != null) { - vBar.removeListener(SWT.Selection, resizeListener); - } -} - -void keyDown(Event event) { - if (row == null) return; - switch (event.character) { - case SWT.CR : - notifyListeners(SWT.DefaultSelection, new Event()); - return; - } - int rowIndex = table.indexOf(row); - int columnIndex = column == null ? 0 : table.indexOf(column); - switch (event.keyCode) { - case SWT.ARROW_UP : - setRowColumn(Math.max(0, rowIndex - 1), columnIndex, true); - break; - case SWT.ARROW_DOWN : - setRowColumn(Math.min(rowIndex + 1, table.getItemCount() - 1), columnIndex, true); - break; - case SWT.ARROW_LEFT : - case SWT.ARROW_RIGHT : - { - int columnCount = table.getColumnCount(); - if (columnCount == 0) break; - int[] order = table.getColumnOrder(); - int index = 0; - while (index < order.length) { - if (order[index] == columnIndex) break; - index++; - } - if (index == order.length) index = 0; - int leadKey = (getStyle() & SWT.RIGHT_TO_LEFT) != 0 ? SWT.ARROW_RIGHT : SWT.ARROW_LEFT; - if (event.keyCode == leadKey) { - setRowColumn(rowIndex, order[Math.max(0, index - 1)], true); - } else { - setRowColumn(rowIndex, order[Math.min(columnCount - 1, index + 1)], true); - } - break; - } - case SWT.HOME : - setRowColumn(0, columnIndex, true); - break; - case SWT.END : - { - int i = table.getItemCount() - 1; - setRowColumn(i, columnIndex, true); - break; - } - case SWT.PAGE_UP : - { - int index = table.getTopIndex(); - if (index == rowIndex) { - Rectangle rect = table.getClientArea(); - TableItem item = table.getItem(index); - Rectangle itemRect = item.getBounds(0); - rect.height -= itemRect.y; - int height = table.getItemHeight(); - int page = Math.max(1, rect.height / height); - index = Math.max(0, index - page + 1); - } - setRowColumn(index, columnIndex, true); - break; - } - case SWT.PAGE_DOWN : - { - int index = table.getTopIndex(); - Rectangle rect = table.getClientArea(); - TableItem item = table.getItem(index); - Rectangle itemRect = item.getBounds(0); - rect.height -= itemRect.y; - int height = table.getItemHeight(); - int page = Math.max(1, rect.height / height); - int end = table.getItemCount() - 1; - index = Math.min(end, index + page - 1); - if (index == rowIndex) { - index = Math.min(end, index + page - 1); - } - setRowColumn(index, columnIndex, true); - break; - } - } -} - -void paint(Event event) { - if (row == null) return; - int columnIndex = column == null ? 0 : table.indexOf(column); - GC gc = event.gc; - Display display = getDisplay(); - gc.setBackground(getBackground()); - gc.setForeground(getForeground()); - gc.fillRectangle(event.x, event.y, event.width, event.height); - int x = 0; - Point size = getSize(); - Image image = row.getImage(columnIndex); - if (image != null) { - Rectangle imageSize = image.getBounds(); - int imageY = (size.y - imageSize.height) / 2; - gc.drawImage(image, x, imageY); - x += imageSize.width; - } - String text = row.getText(columnIndex); - if (text.length() > 0) { - Rectangle bounds = row.getBounds(columnIndex); - Point extent = gc.stringExtent(text); - // Temporary code - need a better way to determine table trim - String platform = SWT.getPlatform(); - if ("win32".equals(platform)) { //$NON-NLS-1$ - if (table.getColumnCount() == 0 || columnIndex == 0) { - x += 2; - } else { - int alignmnent = column.getAlignment(); - switch (alignmnent) { - case SWT.LEFT: - x += 6; - break; - case SWT.RIGHT: - x = bounds.width - extent.x - 6; - break; - case SWT.CENTER: - x += (bounds.width - x - extent.x) / 2; - break; - } - } - } else { - if (table.getColumnCount() == 0) { - x += 5; - } else { - int alignmnent = column.getAlignment(); - switch (alignmnent) { - case SWT.LEFT: - x += 5; - break; - case SWT.RIGHT: - x = bounds.width- extent.x - 2; - break; - case SWT.CENTER: - x += (bounds.width - x - extent.x) / 2 + 2; - break; - } - } - } - int textY = (size.y - extent.y) / 2; - gc.drawString(text, x, textY); - } - if (isFocusControl()) { - gc.setBackground(display.getSystemColor(SWT.COLOR_BLACK)); - gc.setForeground(display.getSystemColor(SWT.COLOR_WHITE)); - gc.drawFocus(0, 0, size.x, size.y); - } -} - -void tableFocusIn(Event event) { - if (isDisposed()) return; - if (isVisible()) { - if (row == null && column == null) return; - setFocus(); - } -} - -void tableMouseDown(Event event) { - if (isDisposed() || !isVisible()) return; - Point pt = new Point(event.x, event.y); - int lineWidth = table.getLinesVisible() ? table.getGridLineWidth() : 0; - TableItem item = table.getItem(pt); - if ((table.getStyle() & SWT.FULL_SELECTION) != 0) { - if (item == null) return; - } else { - int start = item != null ? table.indexOf(item) : table.getTopIndex(); - int end = table.getItemCount(); - Rectangle clientRect = table.getClientArea(); - for (int i = start; i < end; i++) { - TableItem nextItem = table.getItem(i); - Rectangle rect = nextItem.getBounds(0); - if (pt.y >= rect.y && pt.y < rect.y + rect.height + lineWidth) { - item = nextItem; - break; - } - if (rect.y > clientRect.y + clientRect.height) return; - } - if (item == null) return; - } - TableColumn newColumn = null; - int columnCount = table.getColumnCount(); - if (columnCount == 0) { - if ((table.getStyle() & SWT.FULL_SELECTION) == 0) { - Rectangle rect = item.getBounds(0); - rect.width += lineWidth; - rect.height += lineWidth; - if (!rect.contains(pt)) return; - } - } else { - for (int i = 0; i < columnCount; i++) { - Rectangle rect = item.getBounds(i); - rect.width += lineWidth; - rect.height += lineWidth; - if (rect.contains(pt)) { - newColumn = table.getColumn(i); - break; - } - } - if (newColumn == null) { - if ((table.getStyle() & SWT.FULL_SELECTION) == 0) return; - newColumn = table.getColumn(0); - } - } - setRowColumn(item, newColumn, true); - setFocus(); - return; -} -void setRowColumn(int row, int column, boolean notify) { - TableItem item = row == -1 ? null : table.getItem(row); - TableColumn col = column == -1 || table.getColumnCount() == 0 ? null : table.getColumn(column); - setRowColumn(item, col, notify); -} -void setRowColumn(TableItem row, TableColumn column, boolean notify) { - if (this.row == row && this.column == column) { - return; - } - if (this.row != null && this.row != row) { - this.row.removeListener(SWT.Dispose, disposeItemListener); - this.row = null; - } - if (this.column != null && this.column != column) { - this.column.removeListener(SWT.Dispose, disposeColumnListener); - this.column.removeListener(SWT.Move, resizeListener); - this.column.removeListener(SWT.Resize, resizeListener); - this.column = null; - } - if (row != null) { - if (this.row != row) { - this.row = row; - row.addListener(SWT.Dispose, disposeItemListener); - table.showItem(row); - } - if (this.column != column && column != null) { - this.column = column; - column.addListener(SWT.Dispose, disposeColumnListener); - column.addListener(SWT.Move, resizeListener); - column.addListener(SWT.Resize, resizeListener); - table.showColumn(column); - } - int columnIndex = column == null ? 0 : table.indexOf(column); - setBounds(row.getBounds(columnIndex)); - redraw(); - if (notify) { - notifyListeners(SWT.Selection, new Event()); - } - } - getAccessible().setFocus(ACC.CHILDID_SELF); -} - -public void setVisible(boolean visible) { - checkWidget(); - if (visible) _resize(); - super.setVisible(visible); -} - -/** - * 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(SelectionListener) - * - * @since 3.0 - */ -public void removeSelectionListener(SelectionListener listener) { - checkWidget(); - if (listener == null) { - SWT.error(SWT.ERROR_NULL_ARGUMENT); - } - removeListener(SWT.Selection, listener); - removeListener(SWT.DefaultSelection, listener); -} - -void _resize() { - if (row == null) { - setBounds(-200, -200, 0, 0); - } else { - int columnIndex = column == null ? 0 : table.indexOf(column); - setBounds(row.getBounds(columnIndex)); - } -} -/** - * Returns the column over which the TableCursor is positioned. - * - * @return the column for the current position - * - * @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 getColumn() { - checkWidget(); - return column == null ? 0 : table.indexOf(column); -} -/** - * Returns the background color that the receiver will use to draw. - * - * @return the receiver's background color - */ -public Color getBackground() { - checkWidget(); - if (background == null) { - return getDisplay().getSystemColor(BACKGROUND); - } - return background; -} -/** - * Returns the foreground color that the receiver will use to draw. - * - * @return the receiver's foreground color - */ -public Color getForeground() { - checkWidget(); - if (foreground == null) { - return getDisplay().getSystemColor(FOREGROUND); - } - return foreground; -} -/** - * Returns the row over which the TableCursor is positioned. - * - * @return the item for the current position - * - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - */ -public TableItem getRow() { - checkWidget(); - return row; -} -/** - * Sets the receiver's background color to the color specified - * by the argument, or to the default system color for the control - * if the argument is null. - * <p> - * Note: This operation is a hint and may be overridden by the platform. - * For example, on Windows the background of a Button cannot be changed. - * </p> - * @param color the new color (or null) - * - * @exception IllegalArgumentException <ul> - * <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed</li> - * </ul> - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - */ -public void setBackground (Color color) { - background = color; - super.setBackground(getBackground()); - redraw(); -} -/** - * Sets the receiver's foreground color to the color specified - * by the argument, or to the default system color for the control - * if the argument is null. - * <p> - * Note: This operation is a hint and may be overridden by the platform. - * </p> - * @param color the new color (or null) - * - * @exception IllegalArgumentException <ul> - * <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed</li> - * </ul> - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - */ -public void setForeground (Color color) { - foreground = color; - super.setForeground(getForeground()); - redraw(); -} -/** - * Positions the TableCursor over the cell at the given row and column in the parent table. - * - * @param row the index of the row for the cell to select - * @param column the index of column for the cell 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 setSelection(int row, int column) { - checkWidget(); - int columnCount = table.getColumnCount(); - int maxColumnIndex = columnCount == 0 ? 0 : columnCount - 1; - if (row < 0 - || row >= table.getItemCount() - || column < 0 - || column > maxColumnIndex) - SWT.error(SWT.ERROR_INVALID_ARGUMENT); - setRowColumn(row, column, false); -} -/** - * Positions the TableCursor over the cell at the given row and column in the parent table. - * - * @param row the TableItem of the row for the cell to select - * @param column the index of column for the cell 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 setSelection(TableItem row, int column) { - checkWidget(); - int columnCount = table.getColumnCount(); - int maxColumnIndex = columnCount == 0 ? 0 : columnCount - 1; - if (row == null - || row.isDisposed() - || column < 0 - || column > maxColumnIndex) - SWT.error(SWT.ERROR_INVALID_ARGUMENT); - setRowColumn(table.indexOf(row), column, false); -} -void unhookRowColumnListeners() { - if (column != null) { - column.removeListener(SWT.Dispose, disposeColumnListener); - column.removeListener(SWT.Move, resizeListener); - column.removeListener(SWT.Resize, resizeListener); - column = null; - } - if (row != null) { - row.removeListener(SWT.Dispose, disposeItemListener); - row = null; - } -} -} |