JSPropertyImpl.java

1    /* 
2     * Copyright 2000-2005 JetBrains s.r.o. 
3     * 
4     * Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 
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.intellij.lang.javascript.psi.impl; 
17    
18   import com.intellij.lang.ASTNode; 
19   import com.intellij.lang.javascript.JSElementTypes; 
20   import com.intellij.lang.javascript.JSTokenTypes; 
21   import com.intellij.lang.javascript.psi.JSElementVisitor; 
22   import com.intellij.lang.javascript.psi.JSExpression; 
23   import com.intellij.lang.javascript.psi.JSProperty; 
24   import com.intellij.psi.PsiElement; 
25   import com.intellij.psi.PsiElementVisitor; 
26   import com.intellij.util.Icons; 
27   import com.intellij.util.IncorrectOperationException; 
28    
29   import javax.swing.*; 
30    
31   /** 
32    * Created by IntelliJ IDEA. 
33    * User: max 
34    * Date: Jan 30, 2005 
35    * Time: 11:39:23 PM 
36    * To change this template use File | Settings | File Templates. 
37    */ 
38   public class JSPropertyImpl extends JSElementImpl implements JSProperty { 
39     public JSPropertyImpl(final ASTNode node) { 
40       super(node); 
41     } 
42    
43     public String getName() { 
44       final ASTNode node = findNameIdentifier(); 
45       return node != null ? node.getText() : null; 
46     } 
47    
48     private ASTNode findNameIdentifier() { 
49       return getNode().findChildByType(JSTokenTypes.IDENTIFIER); 
50     } 
51    
52     public PsiElement setName(String name) throws IncorrectOperationException { 
53       final ASTNode nameElement = JSChangeUtil.createNameIdentifier(getProject(), name); 
54       getNode().replaceChild(getNode().getFirstChildNode(), nameElement); 
55       return this; 
56     } 
57    
58     public JSExpression getValue() { 
59       final ASTNode[] nodes = getNode().getChildren(JSElementTypes.EXPRESSIONS); 
60       return (JSExpression)(nodes.length == 1 ? nodes[0].getPsi() : null); 
61     } 
62    
63     public void accept(PsiElementVisitor visitor) { 
64       if (visitor instanceof JSElementVisitor) { 
65         ((JSElementVisitor)visitor).visitJSProperty(this); 
66       } 
67       else { 
68         visitor.visitElement(this); 
69       } 
70     } 
71    
72     public int getTextOffset() { 
73       final ASTNode name = findNameIdentifier(); 
74       return name != null ? name.getStartOffset() : super.getTextOffset(); 
75     } 
76    
77     public Icon getIcon(int flags) { 
78       return Icons.PROPERTY_ICON; 
79     } 
80    
81     public String toString() { 
82       return "JSProperty"; 
83     } 
84   } 
85