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1
11 package org.eclipse.jdt.internal.ui.refactoring;
12
13 import org.eclipse.core.runtime.CoreException;
14
15 import org.eclipse.core.resources.IFile;
16
17 import org.eclipse.jdt.core.IClassFile;
18 import org.eclipse.jdt.core.ICompilationUnit;
19 import org.eclipse.jdt.core.IJavaElement;
20 import org.eclipse.jdt.core.IPackageFragmentRoot;
21 import org.eclipse.jdt.core.ISourceRange;
22 import org.eclipse.jdt.core.JavaModelException;
23
24 import org.eclipse.swt.SWT;
25 import org.eclipse.swt.widgets.Composite;
26
27 import org.eclipse.jface.preference.IPreferenceStore;
28 import org.eclipse.jface.resource.JFaceResources;
29
30 import org.eclipse.jface.text.Document;
31 import org.eclipse.jface.text.IDocument;
32 import org.eclipse.jface.text.IRegion;
33 import org.eclipse.jface.text.Region;
34 import org.eclipse.jface.text.source.SourceViewer;
35
36 import org.eclipse.ui.IEditorInput;
37 import org.eclipse.ui.part.FileEditorInput;
38 import org.eclipse.ui.texteditor.IDocumentProvider;
39
40 import org.eclipse.jdt.internal.corext.refactoring.base.JavaStatusContext;
41 import org.eclipse.jdt.internal.corext.refactoring.base.JavaStringStatusContext;
42 import org.eclipse.jdt.internal.corext.util.Messages;
43
44 import org.eclipse.jdt.internal.ui.JavaPlugin;
45 import org.eclipse.jdt.internal.ui.javaeditor.InternalClassFileEditorInput;
46 import org.eclipse.jdt.internal.ui.javaeditor.JavaSourceViewer;
47
48 import org.eclipse.jdt.ui.PreferenceConstants;
49 import org.eclipse.jdt.ui.text.JavaSourceViewerConfiguration;
50 import org.eclipse.jdt.ui.text.JavaTextTools;
51
52 import org.eclipse.ltk.core.refactoring.RefactoringStatusContext;
53 import org.eclipse.ltk.ui.refactoring.TextStatusContextViewer;
54
55
56 public class JavaStatusContextViewer extends TextStatusContextViewer {
57
58
61 public void createControl(Composite parent) {
62 super.createControl(parent);
63 final SourceViewer viewer= getSourceViewer();
64 viewer.unconfigure();
65 IPreferenceStore store= JavaPlugin.getDefault().getCombinedPreferenceStore();
66 viewer.configure(new JavaSourceViewerConfiguration(JavaPlugin.getDefault().getJavaTextTools().getColorManager(), store, null, null));
67 viewer.getControl().setFont(JFaceResources.getFont(PreferenceConstants.EDITOR_TEXT_FONT));
68 }
69
70 protected SourceViewer createSourceViewer(Composite parent) {
71 IPreferenceStore store= JavaPlugin.getDefault().getCombinedPreferenceStore();
72 return new JavaSourceViewer(parent, null, null, false, SWT.LEFT_TO_RIGHT | SWT.V_SCROLL | SWT.H_SCROLL | SWT.MULTI | SWT.FULL_SELECTION, store);
73 }
74
75 private IPackageFragmentRoot getPackageFragmentRoot(IClassFile file) {
76
77 IJavaElement element= file.getParent();
78 while (element != null && element.getElementType() != IJavaElement.PACKAGE_FRAGMENT_ROOT)
79 element= element.getParent();
80
81 return (IPackageFragmentRoot) element;
82 }
83
84 public void setInput(RefactoringStatusContext context) {
85 if (context instanceof JavaStatusContext) {
86 JavaStatusContext jsc= (JavaStatusContext)context;
87 IDocument document= null;
88 if (jsc.isBinary()) {
89 IClassFile file= jsc.getClassFile();
90 IEditorInput editorInput= new InternalClassFileEditorInput(file);
91 document= getDocument(JavaPlugin.getDefault().getClassFileDocumentProvider(), editorInput);
92 if (document.getLength() == 0)
93 document= new Document(Messages.format(RefactoringMessages.JavaStatusContextViewer_no_source_found0, getPackageFragmentRoot(file).getElementName()));
94 updateTitle(file);
95 } else {
96 ICompilationUnit cunit= jsc.getCompilationUnit();
97 if (cunit.isWorkingCopy()) {
98 try {
99 document= newJavaDocument(cunit.getSource());
100 } catch (JavaModelException e) {
101 }
103 } else {
104 IEditorInput editorInput= new FileEditorInput((IFile)cunit.getResource());
105 document= getDocument(JavaPlugin.getDefault().getCompilationUnitDocumentProvider(), editorInput);
106 }
107 if (document == null)
108 document= new Document(RefactoringMessages.JavaStatusContextViewer_no_source_available);
109 updateTitle(cunit);
110 }
111 setInput(document, createRegion(jsc.getSourceRange()));
112 } else if (context instanceof JavaStringStatusContext) {
113 updateTitle(null);
114 JavaStringStatusContext sc= (JavaStringStatusContext)context;
115 setInput(newJavaDocument(sc.getSource()), createRegion(sc.getSourceRange()));
116 }
117 }
118
119 private IDocument newJavaDocument(String  source) {
120 IDocument result= new Document(source);
121 JavaTextTools textTools= JavaPlugin.getDefault().getJavaTextTools();
122 textTools.setupJavaDocumentPartitioner(result);
123 return result;
124 }
125
126 private static IRegion createRegion(ISourceRange range) {
127 return new Region(range.getOffset(), range.getLength());
128 }
129
130 private IDocument getDocument(IDocumentProvider provider, IEditorInput input) {
131 if (input == null)
132 return null;
133 IDocument result= null;
134 try {
135 provider.connect(input);
136 result= provider.getDocument(input);
137 } catch (CoreException e) {
138 } finally {
139 provider.disconnect(input);
140 }
141 return result;
142 }
143 }
144 |
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