| /******************************************************************************* |
| * Copyright (c) 2011 Google, Inc. |
| * 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: |
| * Google, Inc. - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.wb.internal.core.model.property.editor; |
| |
| import org.eclipse.wb.internal.core.DesignerPlugin; |
| import org.eclipse.wb.internal.core.model.property.Property; |
| import org.eclipse.wb.internal.core.model.property.table.PropertyTable; |
| import org.eclipse.wb.internal.core.utils.ui.DrawUtils; |
| |
| import org.eclipse.swt.graphics.GC; |
| import org.eclipse.swt.graphics.Image; |
| import org.eclipse.swt.graphics.Point; |
| |
| /** |
| * The {@link PropertyEditor} for <code>Boolean</code>. |
| * |
| * @author scheglov_ke |
| * @coverage core.model.property.editor |
| */ |
| public final class BooleanObjectPropertyEditor extends PropertyEditor { |
| private static final Image m_nullImage = DesignerPlugin.getImage("properties/BooleanNull.png"); |
| private static final Image m_trueImage = DesignerPlugin.getImage("properties/true.png"); |
| private static final Image m_falseImage = DesignerPlugin.getImage("properties/false.png"); |
| //////////////////////////////////////////////////////////////////////////// |
| // |
| // Instance |
| // |
| //////////////////////////////////////////////////////////////////////////// |
| public static final PropertyEditor INSTANCE = new BooleanObjectPropertyEditor(); |
| |
| private BooleanObjectPropertyEditor() { |
| } |
| |
| //////////////////////////////////////////////////////////////////////////// |
| // |
| // Presentation |
| // |
| //////////////////////////////////////////////////////////////////////////// |
| @Override |
| public void paint(Property property, GC gc, int x, int y, int width, int height) throws Exception { |
| Object value = property.getValue(); |
| if (value instanceof Boolean) { |
| boolean booleanValue = ((Boolean) value).booleanValue(); |
| Image image = booleanValue ? m_trueImage : m_falseImage; |
| String text = Boolean.toString(booleanValue); |
| paint(gc, x, y, width, height, text, image); |
| } |
| if (value == null) { |
| Image image = m_nullImage; |
| String text = "null"; |
| paint(gc, x, y, width, height, text, image); |
| } |
| } |
| |
| private void paint(GC gc, int x, int y, int width, int height, String text, Image image) { |
| // draw image |
| { |
| DrawUtils.drawImageCV(gc, image, x, y, height); |
| // prepare new position/width |
| int imageWidth = image.getBounds().width + 2; |
| x += imageWidth; |
| width -= imageWidth; |
| } |
| // draw text |
| { |
| DrawUtils.drawStringCV(gc, text, x, y, width, height); |
| } |
| } |
| |
| //////////////////////////////////////////////////////////////////////////// |
| // |
| // Editing |
| // |
| //////////////////////////////////////////////////////////////////////////// |
| @Override |
| public boolean activate(PropertyTable propertyTable, Property property, Point location) |
| throws Exception { |
| // check that user clicked on image |
| if (location == null || location.x < m_trueImage.getBounds().width + 2) { |
| invertValue(property); |
| } |
| // don't activate |
| return false; |
| } |
| |
| @Override |
| public void doubleClick(Property property, Point location) throws Exception { |
| invertValue(property); |
| } |
| |
| /** |
| * Inverts the value of given boolean {@link Property}. |
| */ |
| private void invertValue(Property property) throws Exception { |
| Object value = property.getValue(); |
| // null |
| if (value == null) { |
| property.setValue(true); |
| return; |
| } |
| // boolean |
| if (value instanceof Boolean) { |
| boolean booleanValue = ((Boolean) value).booleanValue(); |
| property.setValue(!booleanValue); |
| return; |
| } |
| // unknown |
| property.setValue(true); |
| } |
| } |