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      1 /*
      2  * Copyright (C) 2007 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 
     17 package com.android.ide.eclipse.adt.internal.editors.layout;
     18 
     19 import com.android.annotations.VisibleForTesting;
     20 import com.android.ide.eclipse.adt.internal.editors.AndroidContentAssist;
     21 import com.android.ide.eclipse.adt.internal.editors.descriptors.ElementDescriptor;
     22 import com.android.ide.eclipse.adt.internal.sdk.AndroidTargetData;
     23 
     24 import org.w3c.dom.Node;
     25 
     26 /**
     27  * Content Assist Processor for /res/layout XML files
     28  */
     29 @VisibleForTesting
     30 public final class LayoutContentAssist extends AndroidContentAssist {
     31 
     32     /**
     33      * Constructor for LayoutContentAssist
     34      */
     35     public LayoutContentAssist() {
     36         super(AndroidTargetData.DESCRIPTOR_LAYOUT);
     37     }
     38 
     39     @Override
     40     protected Object[] getChoicesForElement(String parent, Node currentNode) {
     41         Object[] choices = super.getChoicesForElement(parent, currentNode);
     42         if (choices == null) {
     43             if (currentNode.getParentNode().getNodeType() == Node.ELEMENT_NODE) {
     44                 String parentName = currentNode.getParentNode().getNodeName();
     45                 if (parentName.indexOf('.') != -1) {
     46                     // Custom view with unknown children; just use the root descriptor
     47                     // to get all eligible views instead
     48                     ElementDescriptor[] children = getRootDescriptor().getChildren();
     49                     for (ElementDescriptor e : children) {
     50                         if (e.getXmlName().startsWith(parent)) {
     51                             return sort(children);
     52                         }
     53                     }
     54                 }
     55             }
     56         }
     57 
     58         return choices;
     59     }
     60 }
     61