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19 package org.netbeans.modules.javacore.jmiimpl.javamodel;
20
21 import java.util.*;
22 import org.netbeans.jmi.javamodel.ConditionalExpression;
23 import org.netbeans.jmi.javamodel.Element;
24 import org.netbeans.jmi.javamodel.Expression;
25 import org.netbeans.jmi.javamodel.JavaModelPackage;
26 import org.netbeans.lib.java.parser.ASTree;
27 import org.netbeans.mdr.storagemodel.StorableObject;
28 import org.netbeans.modules.javacore.parser.ASTProvider;
29
30
34 public abstract class ConditionalExpressionImpl extends ExpressionImpl implements ConditionalExpression {
35 private Expression condition = null;
36 private Expression truePart = null;
37 private Expression falsePart = null;
38
39
40 public ConditionalExpressionImpl(StorableObject o) {
41 super(o);
42 }
43
44 public void setCondition(Expression condition) {
45 objectChanged(CHANGED_CONDITION);
46 changeChild(getCondition(), condition);
47 this.condition = condition;
48 }
49
50 public Expression getCondition() {
51 if (!childrenInited) {
52 initChildren();
53 }
54 return condition;
55 }
56
57 public void setTruePart(Expression truePart) {
58 objectChanged(CHANGED_TRUE_PART);
59 changeChild(getTruePart(), truePart);
60 this.truePart = truePart;
61 }
62
63 public Expression getTruePart() {
64 if (!childrenInited) {
65 initChildren();
66 }
67 return truePart;
68 }
69
70 public void setFalsePart(Expression falsePart) {
71 objectChanged(CHANGED_FALSE_PART);
72 changeChild(getFalsePart(), falsePart);
73 this.falsePart = falsePart;
74 }
75
76 public Expression getFalsePart() {
77 if (!childrenInited) {
78 initChildren();
79 }
80 return falsePart;
81 }
82
83 public List getChildren() {
84 List list = new ArrayList(3);
85 addIfNotNull(list, getCondition());
86 addIfNotNull(list, getTruePart());
87 addIfNotNull(list, getFalsePart());
88 return list;
89 }
90
91 protected void initChildren() {
92 childrenInited = false;
93 ASTree tree = getASTree();
94 if (tree != null) {
95 ASTree[] parts = tree.getSubTrees();
96 condition = (Expression) initOrCreate(condition, parts[0]);
97 truePart = (Expression) initOrCreate(truePart, parts[1]);
98 falsePart = (Expression) initOrCreate(falsePart, parts[2]);
99 }
100 childrenInited = true;
101 }
102
103 public String  getSourceText() {
104 String origElem;
105 if ((origElem = checkChange()) != null)
106 return origElem;
107 StringBuffer buf = new StringBuffer ();
108 StatementImpl cond = (StatementImpl) getCondition();
109 StatementImpl falsePart = (StatementImpl) getFalsePart();
110 StatementImpl truePart = (StatementImpl) getTruePart();
111 buf.append(cond.getSourceText());
112 formatElementPart(COND_EXPR_QUESTION, buf);
113 buf.append(truePart.getSourceText());
114 formatElementPart(COND_EXPR_COLON, buf);
115 buf.append(falsePart.getSourceText());
116 return buf.toString();
117 }
118
119 public void getDiff(List diff) {
120 ASTProvider parser = getParser();
121 ASTree tree = getASTree();
122 ASTree[] children = tree.getSubTrees();
123
124 getChildDiff(diff, parser, children[0], (MetadataElement) getCondition(), CHANGED_CONDITION);
125 getChildDiff(diff, parser, children[1], (MetadataElement) getTruePart(), CHANGED_TRUE_PART);
126 getChildDiff(diff, parser, children[2], (MetadataElement) getFalsePart(), CHANGED_FALSE_PART);
127 }
128
129 void setData(Expression condition, Expression truePart, Expression falsePart) {
130 changeChild(null, condition);
131 this.condition = condition;
132 changeChild(null, truePart);
133 this.truePart = truePart;
134 changeChild(null, falsePart);
135 this.falsePart = falsePart;
136 }
137
138 protected void _delete() {
139 if (childrenInited) {
141 deleteChild(condition);
142 deleteChild(truePart);
143 deleteChild(falsePart);
144 }
145 super._delete();
149 }
150
151 public void replaceChild(Element oldElement,Element newElement) {
152 if (childrenInited) {
153 if (oldElement.equals(condition)) {
154 setCondition((Expression)newElement);
155 } else if (oldElement.equals(truePart)) {
156 setTruePart((Expression)newElement);
157 } else if (oldElement.equals(falsePart)) {
158 setFalsePart((Expression)newElement);
159 }
160 }
161 }
162
163 public Element duplicate(JavaModelPackage targetExtent) {
164 return targetExtent.getConditionalExpression().createConditionalExpression(
165 (Expression) duplicateElement(getCondition(), targetExtent),
166 (Expression) duplicateElement(getTruePart(), targetExtent),
167 (Expression) duplicateElement(getFalsePart(), targetExtent)
168 );
169 }
170 }
171 |
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