1 files changed, 118 insertions, 0 deletions
diff --git a/propertysheet/src/org/eclipse/wb/internal/core/model/property/editor/BooleanObjectPropertyEditor.java b/propertysheet/src/org/eclipse/wb/internal/core/model/property/editor/BooleanObjectPropertyEditor.java
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index 0000000..4f80bb9
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+++ b/propertysheet/src/org/eclipse/wb/internal/core/model/property/editor/BooleanObjectPropertyEditor.java
@@ -0,0 +1,118 @@
+/*******************************************************************************
+ * 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);
+  }
+}
+\ No newline at end of file