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.psi.JSElementVisitor; 
21   import com.intellij.lang.javascript.psi.JSExpression; 
22   import com.intellij.lang.javascript.psi.JSIfStatement; 
23   import com.intellij.lang.javascript.psi.JSStatement; 
24   import com.intellij.psi.PsiElementVisitor; 
25    
26   /** 
27    * Created by IntelliJ IDEA. 
28    * User: max 
29    * Date: Jan 30, 2005 
30    * Time: 9:49:01 PM 
31    * To change this template use File | Settings | File Templates. 
32    */ 
33   public class JSIfStatementImpl extends JSElementImpl implements JSIfStatement { 
34     public JSIfStatementImpl(final ASTNode node) { 
35       super(node); 
36     } 
37    
38     public JSExpression getCondition() { 
39       final ASTNode[] condition = getNode().getChildren(JSElementTypes.EXPRESSIONS); 
40       return (JSExpression)(condition.length == 1 ? condition[0].getPsi() : null); 
41     } 
42    
43     public JSStatement getThen() { 
44       final ASTNode[] nodes = getNode().getChildren(JSElementTypes.STATEMENTS); 
45       return (JSStatement)(nodes.length > 0 ? nodes[0].getPsi() : null); 
46     } 
47    
48     public JSStatement getElse() { 
49       final ASTNode[] nodes = getNode().getChildren(JSElementTypes.STATEMENTS); 
50       return (JSStatement)(nodes.length == 2 ? nodes[1].getPsi() : null); 
51     } 
52    
53     public void setThen(JSStatement statement) { 
54       throw new UnsupportedOperationException("TODO: implement"); 
55     } 
56    
57     public void setElse(JSStatement statement) { 
58       throw new UnsupportedOperationException("TODO: implement"); 
59     } 
60    
61     public void setCondition(JSExpression expr) { 
62       throw new UnsupportedOperationException("TODO: implement"); 
63     } 
64    
65     public void accept(PsiElementVisitor visitor) { 
66       if (visitor instanceof JSElementVisitor) { 
67         ((JSElementVisitor)visitor).visitJSIfStatement(this); 
68       } 
69       else { 
70         visitor.visitElement(this); 
71       } 
72     } 
73    
74     public String toString() { 
75       return "JSIfStatement"; 
76     } 
77   } 
78