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19 package org.netbeans.modules.refactoring.java;
20
21 import com.sun.source.tree.*;
22 import com.sun.source.util.SourcePositions;
23 import com.sun.source.util.TreePath;
24 import java.io.IOException  ;
25 import javax.swing.text.Position.Bias;
26 import org.netbeans.api.java.source.CompilationInfo;
27 import org.netbeans.modules.refactoring.java.plugins.JavaWhereUsedQueryPlugin;
28 import org.netbeans.modules.refactoring.spi.SimpleRefactoringElementImpl;
29 import org.netbeans.modules.refactoring.java.ui.tree.ElementGripFactory;
30 import org.openide.ErrorManager;
31 import org.openide.filesystems.FileObject;
32 import org.openide.text.PositionBounds;
33 import static org.netbeans.modules.refactoring.java.RetoucheUtils.*;
34 import org.openide.loaders.DataObject;
35 import org.openide.loaders.DataObjectNotFoundException;
36 import org.openide.text.CloneableEditorSupport;
37 import org.openide.text.PositionRef;
38
39 public class WhereUsedElement extends SimpleRefactoringElementImpl {
40 private PositionBounds bounds;
41 private String displayText;
42 private FileObject parentFile;
43 public WhereUsedElement(PositionBounds bounds, String displayText, FileObject parentFile, TreePath tp, CompilationInfo info) {
44 this.bounds = bounds;
45 this.displayText = displayText;
46 this.parentFile = parentFile;
47 ElementGripFactory.getDefault().put(parentFile, tp, info);
48 }
49
50 public String getDisplayText() {
51 return displayText;
52 }
53
54 public Object getComposite() {
55 Object composite = ElementGripFactory.getDefault().get(parentFile, bounds.getBegin().getOffset());
56 if (composite==null)
57 composite = parentFile;
58 return composite;
59 }
60
61 public PositionBounds getPosition() {
62 return bounds;
63 }
64
65 public String getText() {
66 return displayText;
67 }
68
69 public void performChange() {
70 }
71
72 public FileObject getParentFile() {
73 return parentFile;
74 }
75
76 public static WhereUsedElement create(CompilationInfo compiler, TreePath tree) {
77 CompilationUnitTree unit = tree.getCompilationUnit();
78 CharSequence content = null;
79 try {
80 content = unit.getSourceFile().getCharContent(true);
81 } catch (IOException ex) {
82 ex.printStackTrace();
83 }
84 SourcePositions sp = compiler.getTrees().getSourcePositions();
85 Tree t= tree.getLeaf();
86 int start = (int)sp.getStartPosition(unit, t);
87 int end = (int)sp.getEndPosition(unit, t);
88 if (end == -1) {
89 ErrorManager.getDefault().notify(ErrorManager.INFORMATIONAL, new RuntimeException ("Cannot get end position for " + t.getClass().getName()+ " " + t + " file:" + compiler.getFileObject().getPath()));
90 end=start;
91 }
92 if (t.getKind() == Tree.Kind.CLASS) {
93 start = start + t.toString().trim().indexOf(((ClassTree)t).getSimpleName().toString());
95 end = start + ((ClassTree)t).getSimpleName().toString().length();
96 }
97 if (t.getKind() == Tree.Kind.METHOD) {
98 start = start + t.toString().indexOf(((MethodTree)t).getName().toString())+1;
99 end = start + ((MethodTree)t).getName().toString().length();
100 }
101 if (t.getKind() == Tree.Kind.MEMBER_SELECT) {
102 start = (int)sp.getEndPosition(unit, ((MemberSelectTree) t).getExpression());
104 }
105
106 LineMap lm = tree.getCompilationUnit().getLineMap();
107 long line = lm.getLineNumber(start);
108 long endLine = lm.getLineNumber(end);
109 long sta = lm.getStartPosition(line);
110 long en = lm.getStartPosition(endLine+1)-1;
111 StringBuffer sb = new StringBuffer ();
112 sb.append(RetoucheUtils.getHtml(content.subSequence((int)sta,(int)start).toString().trim()));
113 sb.append(" <b>");
114 sb.append(content.subSequence((int)start,(int)end));
115 sb.append("</b> ");
116 sb.append(RetoucheUtils.getHtml(content.subSequence((int)end,(int)en).toString().trim()));
117
118 DataObject dob = null;
119 try {
120 dob = DataObject.find(compiler.getFileObject());
121 } catch (DataObjectNotFoundException ex) {
122 ex.printStackTrace();
123 }
124 CloneableEditorSupport ces = JavaWhereUsedQueryPlugin.findCloneableEditorSupport(dob);
125 PositionRef ref1 = ces.createPositionRef(start, Bias.Forward);
126 PositionRef ref2 = ces.createPositionRef(end, Bias.Forward);
127 PositionBounds bounds = new PositionBounds(ref1, ref2);
128 TreePath tr = getEnclosingTree(tree);
129 return new WhereUsedElement(bounds, sb.toString().trim(), compiler.getFileObject(), tr, compiler);
130 }
131
132 private static TreePath getEnclosingTree(TreePath tp) {
133 while(tp != null) {
134 Tree tree = tp.getLeaf();
135 if (tree.getKind() == Tree.Kind.CLASS || tree.getKind() == Tree.Kind.METHOD || tree.getKind() == Tree.Kind.IMPORT) {
136 return tp;
137 }
138 tp = tp.getParentPath();
139 }
140 return null;
141 }
142
143 }
144 |
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