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1
11 package org.eclipse.pde.internal.ui.editor.text;
12
13 import java.util.ArrayList  ;
14 import java.util.HashMap ;
15 import java.util.Iterator ;
16
17 import org.eclipse.core.resources.IMarker;
18 import org.eclipse.jface.text.BadLocationException;
19 import org.eclipse.jface.text.IDocument;
20 import org.eclipse.jface.text.Position;
21 import org.eclipse.jface.text.contentassist.ICompletionProposal;
22 import org.eclipse.jface.text.contentassist.IContextInformation;
23 import org.eclipse.jface.text.quickassist.IQuickAssistInvocationContext;
24 import org.eclipse.jface.text.quickassist.IQuickAssistProcessor;
25 import org.eclipse.jface.text.quickassist.QuickAssistAssistant;
26 import org.eclipse.jface.text.source.Annotation;
27 import org.eclipse.jface.text.source.IAnnotationModel;
28 import org.eclipse.pde.internal.ui.PDEPluginImages;
29 import org.eclipse.pde.internal.ui.correction.AbstractPDEMarkerResolution;
30 import org.eclipse.pde.internal.ui.correction.ResolutionGenerator;
31 import org.eclipse.swt.graphics.Image;
32 import org.eclipse.swt.graphics.Point;
33 import org.eclipse.ui.IMarkerResolution;
34 import org.eclipse.ui.texteditor.MarkerAnnotation;
35
36 public class PDEQuickAssistAssistant extends QuickAssistAssistant {
37
38 private Image fCreateImage;
39 private Image fRenameImage;
40 private Image fRemoveImage;
41
42 class PDECompletionProposal implements ICompletionProposal {
43
44 Position fPosition;
45 IMarkerResolution fResolution;
46 IMarker fMarker;
47
48 public PDECompletionProposal(IMarkerResolution resolution, Position pos, IMarker marker) {
49 fPosition = pos;
50 fResolution = resolution;
51 fMarker = marker;
52 }
53
54 public void apply(IDocument document) {
55 fResolution.run(fMarker);
56 }
57
58 public Point getSelection(IDocument document) {
59 return new Point(fPosition.offset, 0);
60 }
61
62 public String getAdditionalProposalInfo() {
63 if (fResolution instanceof AbstractPDEMarkerResolution)
64 return ((AbstractPDEMarkerResolution)fResolution).getDescription();
65 return null;
66 }
67
68 public String getDisplayString() {
69 return fResolution.getLabel();
70 }
71
72 public Image getImage() {
73 if (fResolution instanceof AbstractPDEMarkerResolution) {
74 switch (((AbstractPDEMarkerResolution)fResolution).getType()) {
75 case AbstractPDEMarkerResolution.CREATE_TYPE:
76 return fCreateImage;
77 case AbstractPDEMarkerResolution.REMOVE_TYPE:
78 return fRemoveImage;
79 case AbstractPDEMarkerResolution.RENAME_TYPE:
80 return fRenameImage;
81 }
82 }
83 return null;
84 }
85
86 public IContextInformation getContextInformation() {
87 return null;
88 }
89
90 }
91
92 class PDEQuickAssistProcessor implements IQuickAssistProcessor {
93
94 ResolutionGenerator fGenerator = new ResolutionGenerator();
95 HashMap fResMap = new HashMap ();
96
97 public String getErrorMessage() {
98 return null;
99 }
100
101 public boolean canFix(Annotation annotation) {
102 if (!(annotation instanceof MarkerAnnotation))
103 return false;
104 IMarker marker = ((MarkerAnnotation)annotation).getMarker();
105 IMarkerResolution[] resolutions = fGenerator.getResolutions(marker);
106 boolean canFix = resolutions.length > 0;
107 if (canFix)
108 if (!fResMap.containsKey(marker))
109 fResMap.put(marker, resolutions);
110 return canFix;
111 }
112
113 public boolean canAssist(IQuickAssistInvocationContext invocationContext) {
114 return false;
115 }
116
117 public ICompletionProposal[] computeQuickAssistProposals(IQuickAssistInvocationContext invocationContext) {
118 IAnnotationModel amodel = invocationContext.getSourceViewer().getAnnotationModel();
119 IDocument doc = invocationContext.getSourceViewer().getDocument();
120
121 int offset = invocationContext.getOffset();
122 Iterator it = amodel.getAnnotationIterator();
123 ArrayList list = new ArrayList ();
124 while (it.hasNext()) {
125 Object key = it.next();
126 if (!(key instanceof MarkerAnnotation))
127 continue;
128
129 MarkerAnnotation annotation = (MarkerAnnotation)key;
130 IMarker marker = annotation.getMarker();
131
132 IMarkerResolution[] mapping = (IMarkerResolution[])fResMap.get(marker);
133 if (mapping != null) {
134 Position pos = amodel.getPosition(annotation);
135 try {
136 int line = doc.getLineOfOffset(pos.getOffset());
137 int start = pos.getOffset();
138 String delim = doc.getLineDelimiter(line);
139 int delimLength = delim != null ? delim.length() : 0;
140 int end = doc.getLineLength(line) + start - delimLength;
141 if (offset >= start && offset <= end)
142 for (int i = 0; i < mapping.length; i++)
143 list.add(new PDECompletionProposal(mapping[i], pos, marker));
144 } catch (BadLocationException e) {
145 }
146
147 }
148 }
149 return (ICompletionProposal[]) list.toArray(new ICompletionProposal[list.size()]);
150 }
151 }
152
153
154
155 public PDEQuickAssistAssistant() {
156 setQuickAssistProcessor(new PDEQuickAssistProcessor());
157 fCreateImage = PDEPluginImages.DESC_ADD_ATT.createImage();
158 fRemoveImage = PDEPluginImages.DESC_DELETE.createImage();
159 fRenameImage = PDEPluginImages.DESC_REFRESH.createImage();
160 }
161
162 public void dispose() {
163 fCreateImage.dispose();
164 fRemoveImage.dispose();
165 fRenameImage.dispose();
166 }
167 }
168 |
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