Add drop handler for SlidingDrawer

Add a drop handler for SlidingDrawers such that when dropped from the
palette they create the mandatory handle and content
children. (Without this, you get a rendering error instead.)

Change-Id: Icb521fca9cdbb1da14693d4872ef3fb00187d8f7

diff --git a/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/common/layout/LayoutConstants.java b/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/common/layout/LayoutConstants.java
index e8f9261..2669a6b 100644 (file)
--- a/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/common/layout/LayoutConstants.java
+++ b/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/common/layout/LayoutConstants.java
@@ -45,6 +45,8 @@ public class LayoutConstants {
 
     public static final String ATTR_TEXT = "text";                      //$NON-NLS-1$
     public static final String ATTR_ID = "id";                          //$NON-NLS-1$
+    public static final String ATTR_HANDLE = "handle";                  //$NON-NLS-1$
+    public static final String ATTR_CONTENT = "content";                //$NON-NLS-1$
 
     public static final String ATTR_LAYOUT_PREFIX = "layout_";          //$NON-NLS-1$
     public static final String ATTR_LAYOUT_HEIGHT = "layout_height";    //$NON-NLS-1$
@@ -117,6 +119,9 @@ public class LayoutConstants {
     /** The fully qualified class name of a TabWidget view */
     public static final String FQCN_TAB_WIDGET = "android.widget.TabWidget"; //$NON-NLS-1$
 
+    /** The fully qualified class name of a Button view */
+    public static final String FQCN_BUTTON = "android.widget.Button"; //$NON-NLS-1$
+
     /** The fully qualified class name of an AdapterView */
     public static final String FQCN_ADAPTER_VIEW = "android.widget.AdapterView"; //$NON-NLS-1$
 

diff --git a/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/common/layout/SlidingDrawerRule.java b/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/common/layout/SlidingDrawerRule.java
new file mode 100644 (file)
index 0000000..fb0f33e
--- /dev/null
+++ b/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/common/layout/SlidingDrawerRule.java
@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) 2011 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.common.layout;
+
+import static com.android.ide.common.layout.LayoutConstants.ANDROID_URI;
+import static com.android.ide.common.layout.LayoutConstants.ATTR_CONTENT;
+import static com.android.ide.common.layout.LayoutConstants.ATTR_HANDLE;
+import static com.android.ide.common.layout.LayoutConstants.ATTR_ID;
+import static com.android.ide.common.layout.LayoutConstants.ATTR_LAYOUT_HEIGHT;
+import static com.android.ide.common.layout.LayoutConstants.ATTR_LAYOUT_WIDTH;
+import static com.android.ide.common.layout.LayoutConstants.ATTR_TEXT;
+
+import com.android.ide.common.api.INode;
+import com.android.ide.common.api.IViewRule;
+import com.android.ide.common.api.InsertType;
+
+/**
+ * An {@link IViewRule} for android.widget.SlidingDrawerRule which initializes new sliding
+ * drawers with their mandatory children and default sizing attributes
+ */
+public class SlidingDrawerRule extends BaseViewRule {
+
+    @Override
+    public void onCreate(INode node, INode parent, InsertType insertType) {
+        super.onCreate(node, parent, insertType);
+
+        if (insertType == InsertType.CREATE) {
+            String matchParent = getFillParentValueName();
+            node.setAttribute(ANDROID_URI, ATTR_LAYOUT_WIDTH, matchParent);
+            node.setAttribute(ANDROID_URI, ATTR_LAYOUT_HEIGHT, matchParent);
+
+            // Create mandatory children and reference them from the handle and content
+            // attributes of the sliding drawer
+            String handleId = "@+id/handle";    //$NON-NLS-1$
+            String contentId = "@+id/content";  //$NON-NLS-1$
+            node.setAttribute(ANDROID_URI, ATTR_HANDLE, handleId);
+            node.setAttribute(ANDROID_URI, ATTR_CONTENT, contentId);
+
+            // Handle
+            INode handle = node.appendChild(LayoutConstants.FQCN_BUTTON);
+            handle.setAttribute(ANDROID_URI, ATTR_TEXT, "Handle");
+            handle.setAttribute(ANDROID_URI, ATTR_ID, handleId);
+
+            // Content
+            INode content = node.appendChild(LayoutConstants.FQCN_LINEAR_LAYOUT);
+            content.setAttribute(ANDROID_URI, ATTR_ID, contentId);
+            content.setAttribute(ANDROID_URI, ATTR_LAYOUT_WIDTH, matchParent);
+            content.setAttribute(ANDROID_URI, ATTR_LAYOUT_HEIGHT, matchParent);
+        }
+    }
+}