1 /* 2 * Copyright (C) 2011 The Android Open Source Project 3 * 4 * Licensed under the Eclipse Public License, Version 1.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.eclipse.org/org/documents/epl-v10.php 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 package com.android.ide.common.layout; 17 18 import static com.android.ide.common.layout.LayoutConstants.ANDROID_URI; 19 import static com.android.ide.common.layout.LayoutConstants.ATTR_NAME; 20 21 import com.android.ide.common.api.INode; 22 import com.android.ide.common.api.IViewRule; 23 import com.android.ide.common.api.InsertType; 24 25 /** 26 * An {@link IViewRule} for the special XML {@code <fragment>} tag. 27 */ 28 public class FragmentRule extends BaseViewRule { 29 @Override 30 public void onCreate(INode node, INode parent, InsertType insertType) { 31 // When dropping a fragment tag, ask the user which layout to include. 32 if (insertType == InsertType.CREATE) { // NOT InsertType.CREATE_PREVIEW 33 String fqcn = mRulesEngine.displayFragmentSourceInput(); 34 if (fqcn != null) { 35 node.editXml("Add Fragment", 36 new PropertySettingNodeHandler(ANDROID_URI, ATTR_NAME, 37 fqcn.length() > 0 ? fqcn : null)); 38 } else { 39 // Remove the view; the insertion was canceled 40 parent.removeChild(node); 41 } 42 } 43 } 44 } 45