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.SdkConstants.ANDROID_URI; 19 import static com.android.SdkConstants.ATTR_NAME; 20 21 import com.android.annotations.NonNull; 22 import com.android.ide.common.api.INode; 23 import com.android.ide.common.api.IViewRule; 24 import com.android.ide.common.api.InsertType; 25 26 /** 27 * An {@link IViewRule} for the special XML {@code <fragment>} tag. 28 */ 29 public class FragmentRule extends BaseViewRule { 30 @Override onCreate(@onNull INode node, @NonNull INode parent, @NonNull InsertType insertType)31 public void onCreate(@NonNull INode node, @NonNull INode parent, 32 @NonNull InsertType insertType) { 33 // When dropping a fragment tag, ask the user which class to use. 34 if (insertType == InsertType.CREATE) { // NOT InsertType.CREATE_PREVIEW 35 String fqcn = mRulesEngine.displayFragmentSourceInput(); 36 if (fqcn != null) { 37 node.editXml("Add Fragment", 38 new PropertySettingNodeHandler(ANDROID_URI, ATTR_NAME, 39 fqcn.length() > 0 ? fqcn : null)); 40 } else { 41 // Remove the view; the insertion was canceled 42 parent.removeChild(node); 43 } 44 } 45 } 46 } 47