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1 package freemarker.eclipse.editors;
2
3 import org.eclipse.core.resources.IFile;
4 import org.eclipse.core.resources.IMarker;
5 import org.eclipse.jface.action.IStatusLineManager;
6 import org.eclipse.jface.text.BadLocationException;
7 import org.eclipse.jface.text.IDocument;
8 import org.eclipse.jface.text.Position;
9 import org.eclipse.jface.text.source.ISourceViewer;
10 import org.eclipse.ui.IEditorActionBarContributor;
11 import org.eclipse.ui.IFileEditorInput;
12 import org.eclipse.ui.editors.text.TextEditor;
13 import org.eclipse.ui.part.EditorActionBarContributor;
14 import org.eclipse.ui.texteditor.MarkerAnnotation;
15 import org.eclipse.ui.views.contentoutline.IContentOutlinePage;
16
17 import freemarker.eclipse.outline.OutlinePage;
18
19
23 public class FreemarkerEditor extends TextEditor {
24
25 private ITokenManager tokenManager;
26 private OutlinePage fOutlinePage;
27 private ReconcilingStrategy fReconcilingStrategy;
28 private int fLastCursorLine = -1;
29
30
31 public FreemarkerEditor() {
32 super();
33 tokenManager = new TokenManager();
34 fReconcilingStrategy = new ReconcilingStrategy(this);
35 setSourceViewerConfiguration(new Configuration(this, tokenManager));
36 setDocumentProvider(new DocumentProvider());
37 }
38 public void dispose() {
39 tokenManager.dispose();
40 super.dispose();
41 }
42
43 public Object  getAdapter(Class aClass) {
44 Object adapter;
45 if (aClass.equals(IContentOutlinePage.class)) {
46 if (fOutlinePage == null) {
47 fOutlinePage = new OutlinePage(this);
48 if (getEditorInput() != null) {
49 fOutlinePage.setInput(getEditorInput());
50 }
51 }
52 adapter = fOutlinePage;
53 } else {
54 adapter = super.getAdapter(aClass);
55 }
56 return adapter;
57 }
58
59 protected void handleCursorPositionChanged() {
60 super.handleCursorPositionChanged();
61 int line = getCursorLine();
62 if (line > 0 && line != fLastCursorLine) {
63 fLastCursorLine = line;
64 if (fOutlinePage != null) {
65
66 }
67 }
68 }
69
70 protected void handleEditorInputChanged() {
71
72 }
73
74 public IDocument getDocument() {
75 ISourceViewer viewer = getSourceViewer();
76 if (viewer != null) {
77 return viewer.getDocument();
78 }
79 return null;
80 }
81
82 public int getCursorLine() {
83 int line = -1;
84
85 ISourceViewer sourceViewer = getSourceViewer();
86 if (sourceViewer != null) {
87 int caret = sourceViewer.getVisibleRegion().getOffset() +
88 sourceViewer.getTextWidget().getCaretOffset();
89 IDocument document = sourceViewer.getDocument();
90 if (document != null) {
91 try {
92 line = document.getLineOfOffset(caret) + 1;
93 } catch (BadLocationException e) {
94 e.printStackTrace();
95 }
96 }
97 }
98 return line;
99 }
100
101 public void selectTextRange(int beginLine, int beginColumn, int length) {
102 int bOffset = 0;
103 int eOffset = 0;
104 try {
105 bOffset = getDocument().getLineInformation(beginLine-1).getOffset();
106
107 setHighlightRange(bOffset+beginColumn-1, length , true);
108
109 } catch (Exception e) {
110
111 }
112 }
113
114 public void updateOutlinePage() {
115 if (fOutlinePage != null) {
116 fOutlinePage.update();
117 }
118 }
119
120 public ReconcilingStrategy getReconcilingStrategy() {
121 return fReconcilingStrategy;
122 }
123
124
125 public void displayErrorMessage(String aMessage) {
126 IEditorActionBarContributor contributor =
127 getEditorSite().getActionBarContributor();
128 if (contributor != null &&
129 contributor instanceof EditorActionBarContributor) {
130 IStatusLineManager manager = ((EditorActionBarContributor)
131 contributor).getActionBars().getStatusLineManager();
132 manager.setErrorMessage(aMessage);
133
134 }
135 }
136
137 public void addProblemMarker(String aMessage, int aLine) {
138 IFile file = ((IFileEditorInput)getEditorInput()).getFile();
139 try {
140 IMarker marker = file.createMarker(IMarker.PROBLEM);
141 marker.setAttribute(IMarker.SEVERITY, IMarker.SEVERITY_ERROR);
142 marker.setAttribute(IMarker.LINE_NUMBER, aLine);
143 marker.setAttribute(IMarker.MESSAGE, aMessage);
144 Position pos = new Position(getDocument().getLineOffset(aLine - 1));
145 getSourceViewer().getAnnotationModel().addAnnotation(
146 new MarkerAnnotation(marker), pos);
147
148 } catch (Exception e) {
149
150 }
151 }
152
153
154 }
155 |
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