| /******************************************************************************* |
| * Copyright (c) 2005, 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 |
| *******************************************************************************/ |
| package org.eclipse.jface.snippets.viewers; |
| |
| import org.eclipse.jface.viewers.CellEditor; |
| import org.eclipse.jface.viewers.ColumnViewerEditorActivationEvent; |
| import org.eclipse.jface.viewers.ColumnViewerEditorDeactivationEvent; |
| import org.eclipse.jface.viewers.ViewerCell; |
| import org.eclipse.jface.viewers.ViewerRow; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.events.KeyAdapter; |
| import org.eclipse.swt.events.KeyEvent; |
| import org.eclipse.swt.graphics.Color; |
| import org.eclipse.swt.graphics.Font; |
| import org.eclipse.swt.graphics.Image; |
| import org.eclipse.swt.widgets.Button; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Control; |
| |
| /** |
| * @since 3.4 |
| * |
| */ |
| public class BooleanCellEditor extends CellEditor { |
| private Button button; |
| private ViewerRow row; |
| private int index; |
| private String restoredText; |
| private Image restoredImage; |
| |
| /** |
| * @param parent |
| */ |
| public BooleanCellEditor(Composite parent) { |
| super(parent); |
| } |
| |
| /** |
| * @param parent |
| * @param style |
| */ |
| public BooleanCellEditor(Composite parent, int style) { |
| super(parent, style); |
| } |
| |
| public LayoutData getLayoutData() { |
| LayoutData data = super.getLayoutData(); |
| data.horizontalAlignment=SWT.CENTER; |
| data.grabHorizontal = false; |
| return data; |
| } |
| |
| protected Control createControl(Composite parent) { |
| Font font = parent.getFont(); |
| Color bg = parent.getBackground(); |
| |
| button = new Button(parent, getStyle() | SWT.CHECK); |
| button.setFont(font); |
| button.setBackground(bg); |
| |
| button.addKeyListener(new KeyAdapter() { |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.swt.events.KeyAdapter#keyReleased(org.eclipse.swt.events.KeyEvent) |
| */ |
| public void keyReleased(KeyEvent e) { |
| if( e.character == SWT.ESC ) { |
| fireCancelEditor(); |
| } |
| } |
| |
| }); |
| |
| return button; |
| } |
| |
| protected Object doGetValue() { |
| return new Boolean(button.getSelection()); |
| } |
| |
| protected void doSetValue(Object value) { |
| boolean selection = Boolean.TRUE.equals(value); |
| button.setSelection(selection); |
| } |
| |
| protected void doSetFocus() { |
| if (button != null) { |
| button.setFocus(); |
| } |
| } |
| |
| protected void deactivate(ColumnViewerEditorDeactivationEvent event) { |
| super.deactivate(event); |
| if( event.eventType == ColumnViewerEditorDeactivationEvent.EDITOR_CANCELED ) { |
| row.setImage(index, restoredImage); |
| row.setText(index, restoredText); |
| } |
| row = null; |
| restoredImage = null; |
| restoredText = null; |
| } |
| |
| public void activate(ColumnViewerEditorActivationEvent activationEvent) { |
| ViewerCell cell = (ViewerCell)activationEvent.getSource(); |
| index = cell.getColumnIndex(); |
| row = (ViewerRow) cell.getViewerRow().clone(); |
| restoredImage = row.getImage(index); |
| restoredText = row.getText(index); |
| row.setImage(index, null); |
| row.setText(index, ""); //$NON-NLS-1$ |
| super.activate(activationEvent); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.viewers.CellEditor#getDoubleClickTimeout() |
| */ |
| protected int getDoubleClickTimeout() { |
| return 0; |
| } |
| |
| |
| } |