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1
19 package org.netbeans.modules.java.debug;
20
21 import com.sun.source.tree.Tree;
22 import java.awt.Color  ;
23 import java.util.ArrayList ;
24 import java.util.List ;
25 import javax.lang.model.element.Element;
26 import javax.lang.model.element.ExecutableElement;
27 import javax.lang.model.element.PackageElement;
28 import javax.lang.model.element.TypeElement;
29 import javax.lang.model.element.TypeParameterElement;
30 import javax.lang.model.element.VariableElement;
31 import javax.lang.model.util.ElementScanner6;
32 import org.netbeans.api.java.source.CompilationInfo;
33 import org.netbeans.editor.Coloring;
34 import org.netbeans.modules.editor.highlights.spi.Highlight;
35 import org.openide.nodes.AbstractNode;
36 import org.openide.nodes.Children;
37 import org.openide.nodes.Node;
38
39
43 public class ElementNode extends AbstractNode implements Highlight {
44
45 private static final Coloring HIGHLIGHT = new Coloring(null, null, new Color (224, 224, 224));
46
47 private Element element;
48 private CompilationInfo info;
49
50
54 public static Node getTree(CompilationInfo info, Element element) {
55 List <Node> result = new ArrayList ();
56
57 new FindChildrenElementVisitor(info).scan(element, result);
58
59 return result.get(0);
60 }
61
62
63 public ElementNode(CompilationInfo info, Element element, List <Node> nodes) {
64 super(nodes.isEmpty() ? Children.LEAF: new NodeChilren(nodes));
65 this.element = element;
66 this.info = info;
67 setDisplayName(element.getKind().toString() + ":" + element.toString()); setIconBaseWithExtension("org/netbeans/modules/java/debug/resources/element.png"); }
70
71 public int getStart() {
72 Tree tree = info.getTrees().getTree(element);
73
74 if (tree != null)
75 return (int)info.getTrees().getSourcePositions().getStartPosition(info.getCompilationUnit(), tree);
76 else
77 return -1;
78 }
79
80 public int getEnd() {
81 Tree tree = info.getTrees().getTree(element);
82
83 if (tree != null)
84 return (int)info.getTrees().getSourcePositions().getEndPosition(info.getCompilationUnit(), tree);
85 else
86 return -1;
87 }
88
89 public Coloring getColoring() {
90 return HIGHLIGHT;
91 }
92
93 private static final class NodeChilren extends Children.Keys {
94
95 public NodeChilren(List <Node> nodes) {
96 setKeys(nodes);
97 }
98
99 protected Node[] createNodes(Object key) {
100 return new Node[] {(Node) key};
101 }
102
103 }
104
105 private static class FindChildrenElementVisitor extends ElementScanner6<Void , List <Node>> {
106
107 private CompilationInfo info;
108
109 public FindChildrenElementVisitor(CompilationInfo info) {
110 this.info = info;
111 }
112
113 public Void visitPackage(PackageElement e, List <Node> p) {
114 List <Node> below = new ArrayList <Node>();
115
116 super.visitPackage(e, below);
117
118 p.add(new ElementNode(info, e, below));
119 return null;
120 }
121
122 public Void visitType(TypeElement e, List <Node> p) {
123 List <Node> below = new ArrayList <Node>();
124
125 super.visitType(e, below);
126
127 p.add(new ElementNode(info, e, below));
128 return null;
129 }
130
131 public Void visitVariable(VariableElement e, List <Node> p) {
132 List <Node> below = new ArrayList <Node>();
133
134 super.visitVariable(e, below);
135
136 p.add(new ElementNode(info, e, below));
137 return null;
138 }
139
140 public Void visitExecutable(ExecutableElement e, List <Node> p) {
141 List <Node> below = new ArrayList <Node>();
142
143 super.visitExecutable(e, below);
144
145 p.add(new ElementNode(info, e, below));
146 return null;
147 }
148
149 public Void visitTypeParameter(TypeParameterElement e, List <Node> p) {
150 List <Node> below = new ArrayList <Node>();
151
152 super.visitTypeParameter(e, below);
153
154 p.add(new ElementNode(info, e, below));
155 return null;
156 }
157
158 }
159 }
160 |
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