1 files changed, 118 insertions, 0 deletions
diff --git a/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/editors/layout/properties/BooleanXmlPropertyEditor.java b/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/editors/layout/properties/BooleanXmlPropertyEditor.java
new file mode 100644
index 000000000..d6ff4d51d
--- /dev/null
+++ b/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/editors/layout/properties/BooleanXmlPropertyEditor.java
@@ -0,0 +1,118 @@
+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * Licensed under the Eclipse Public License, Version 1.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.eclipse.org/org/documents/epl-v10.php
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.ide.eclipse.adt.internal.editors.layout.properties;
+
+import static com.android.SdkConstants.VALUE_FALSE;
+import static com.android.SdkConstants.VALUE_TRUE;
+
+import org.eclipse.swt.graphics.GC;
+import org.eclipse.swt.graphics.Image;
+import org.eclipse.swt.graphics.Point;
+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;
+
+/**
+ * Handle an XML property which represents booleans.
+ *
+ * Similar to the WindowBuilder PropertyEditor, but operates on Strings rather
+ * than Booleans (which means it is a tri-state boolean: true, false, not set)
+ */
+public class BooleanXmlPropertyEditor extends XmlPropertyEditor {
+    public static final BooleanXmlPropertyEditor INSTANCE = new BooleanXmlPropertyEditor();
+
+    private static final Image mTrueImage = DesignerPlugin.getImage("properties/true.png");
+    private static final Image mFalseImage = DesignerPlugin.getImage("properties/false.png");
+    private static final Image mNullImage =
+            DesignerPlugin.getImage("properties/BooleanNull.png");
+    private static final Image mUnknownImage =
+            DesignerPlugin.getImage("properties/BooleanUnknown.png");
+
+    private BooleanXmlPropertyEditor() {
+    }
+
+    @Override
+    public void paint(Property property, GC gc, int x, int y, int width, int height)
+            throws Exception {
+        Object value = property.getValue();
+        assert value == null || value instanceof String;
+        if (value == null || value instanceof String) {
+            String text = (String) value;
+            Image image;
+            if (VALUE_TRUE.equals(text)) {
+                image = mTrueImage;
+            } else if (VALUE_FALSE.equals(text)) {
+                image = mFalseImage;
+            } else if (text == null) {
+                image = mNullImage;
+            } else {
+                // Probably something like a reference, e.g. @boolean/foo
+                image = mUnknownImage;
+            }
+
+            // draw image
+            DrawUtils.drawImageCV(gc, image, x, y, height);
+
+            // prepare new position/width
+            int imageWidth = image.getBounds().width + 2;
+            width -= imageWidth;
+
+            // draw text
+            if (text != null) {
+                x += imageWidth;
+                DrawUtils.drawStringCV(gc, text, x, y, width, height);
+            }
+        }
+    }
+
+    @Override
+    public boolean activate(PropertyTable propertyTable, Property property, Point location)
+            throws Exception {
+        // check that user clicked on image
+        if (location == null || location.x < mTrueImage.getBounds().width + 2) {
+            cycleValue(property);
+        }
+        // don't activate
+        return false;
+    }
+
+    @Override
+    public void doubleClick(Property property, Point location) throws Exception {
+        cycleValue(property);
+    }
+
+    /**
+     * Cycles through the values
+     */
+    private void cycleValue(Property property) throws Exception {
+        Object value = property.getValue();
+        if (value == null || value instanceof String) {
+            // Cycle null => true => false => null
+            String text = (String) value;
+            if (VALUE_TRUE.equals(text)) {
+                property.setValue(VALUE_FALSE);
+            } else if (VALUE_FALSE.equals(text)) {
+                property.setValue(null);
+            } else {
+                property.setValue(VALUE_TRUE);
+            }
+        } else {
+            assert false;
+        }
+    }
+}