|
1
11 package org.eclipse.jdt.internal.ui.text.java.hover;
12
13 import java.util.ArrayList  ;
14 import java.util.HashMap ;
15 import java.util.Iterator ;
16 import java.util.List ;
17
18 import org.eclipse.swt.SWT;
19 import org.eclipse.swt.graphics.GC;
20 import org.eclipse.swt.graphics.Image;
21 import org.eclipse.swt.graphics.Rectangle;
22 import org.eclipse.swt.widgets.Canvas;
23
24 import org.eclipse.jface.preference.IPreferenceStore;
25 import org.eclipse.jface.viewers.IDoubleClickListener;
26
27 import org.eclipse.jface.text.IDocument;
28 import org.eclipse.jface.text.IInformationControlExtension2;
29 import org.eclipse.jface.text.Position;
30 import org.eclipse.jface.text.source.Annotation;
31 import org.eclipse.jface.text.source.CompositeRuler;
32 import org.eclipse.jface.text.source.IAnnotationAccess;
33 import org.eclipse.jface.text.source.IAnnotationAccessExtension;
34 import org.eclipse.jface.text.source.IAnnotationModel;
35 import org.eclipse.jface.text.source.IAnnotationPresentation;
36 import org.eclipse.jface.text.source.ISourceViewer;
37 import org.eclipse.jface.text.source.ImageUtilities;
38
39 import org.eclipse.ui.texteditor.AnnotationPreference;
40 import org.eclipse.ui.texteditor.AnnotationPreferenceLookup;
41
42 import org.eclipse.jdt.ui.PreferenceConstants;
43
44 import org.eclipse.jdt.internal.ui.JavaPlugin;
45 import org.eclipse.jdt.internal.ui.JavaPluginImages;
46 import org.eclipse.jdt.internal.ui.javaeditor.IJavaAnnotation;
47 import org.eclipse.jdt.internal.ui.javaeditor.JavaMarkerAnnotation;
48 import org.eclipse.jdt.internal.ui.javaeditor.CompilationUnitDocumentProvider.ProblemAnnotation;
49 import org.eclipse.jdt.internal.ui.text.correction.JavaCorrectionProcessor;
50 import org.eclipse.jdt.internal.ui.text.java.hover.AnnotationExpansionControl.AnnotationHoverInput;
51
52
57 public class JavaExpandHover extends AnnotationExpandHover {
58
59
60 public static final String NO_BREAKPOINT_ANNOTATION= "org.eclipse.jdt.internal.ui.NoBreakpointAnnotation";
62 private static class NoBreakpointAnnotation extends Annotation implements IAnnotationPresentation {
63
64 public NoBreakpointAnnotation() {
65 super(NO_BREAKPOINT_ANNOTATION, false, JavaHoverMessages.NoBreakpointAnnotation_addBreakpoint);
66 }
67
68
71 public void paint(GC gc, Canvas canvas, Rectangle bounds) {
72 Image fImage= JavaPluginImages.get(JavaPluginImages.IMG_FIELD_PUBLIC);
74 ImageUtilities.drawImage(fImage, gc, canvas, bounds, SWT.CENTER);
75 }
76
77
80 public int getLayer() {
81 return IAnnotationPresentation.DEFAULT_LAYER;
82 }
83 }
84
85 private AnnotationPreferenceLookup fLookup= new AnnotationPreferenceLookup();
86 private IPreferenceStore fStore= JavaPlugin.getDefault().getCombinedPreferenceStore();
87
88 public JavaExpandHover(CompositeRuler ruler, IAnnotationAccess access, IDoubleClickListener doubleClickListener) {
89 super(ruler, access, doubleClickListener);
90 }
91
92
95 protected Object getHoverInfoForLine(final ISourceViewer viewer, final int line) {
96 final boolean showTemporaryProblems= PreferenceConstants.getPreferenceStore().getBoolean(PreferenceConstants.EDITOR_CORRECTION_INDICATION);
97 IAnnotationModel model= viewer.getAnnotationModel();
98 IDocument document= viewer.getDocument();
99
100 if (model == null)
101 return null;
102
103 List exact= new ArrayList ();
104 HashMap messagesAtPosition= new HashMap ();
105
106 Iterator e= model.getAnnotationIterator();
107 while (e.hasNext()) {
108 Annotation annotation= (Annotation) e.next();
109
110 if (fAnnotationAccess instanceof IAnnotationAccessExtension)
111 if (!((IAnnotationAccessExtension)fAnnotationAccess).isPaintable(annotation))
112 continue;
113
114 if (annotation instanceof IJavaAnnotation && !isIncluded((IJavaAnnotation)annotation, showTemporaryProblems))
115 continue;
116
117 AnnotationPreference pref= fLookup.getAnnotationPreference(annotation);
118 if (pref != null) {
119 String key= pref.getVerticalRulerPreferenceKey();
120 if (key != null && !fStore.getBoolean(key))
121 continue;
122 }
123
124 Position position= model.getPosition(annotation);
125 if (position == null)
126 continue;
127
128 if (compareRulerLine(position, document, line) == 1) {
129
130 if (isDuplicateMessage(messagesAtPosition, position, annotation.getText()))
131 continue;
132
133 exact.add(annotation);
134 }
135 }
136
137 sort(exact, model);
138
139 if (exact.size() > 0)
140 setLastRulerMouseLocation(viewer, line);
141
142 if (exact.size() > 0) {
143 Annotation first= (Annotation) exact.get(0);
144 if (!isBreakpointAnnotation(first))
145 exact.add(0, new NoBreakpointAnnotation());
146 }
147
148 if (exact.size() <= 1)
149 return null;
150
151 AnnotationHoverInput input= new AnnotationHoverInput();
152 input.fAnnotations= (Annotation[]) exact.toArray(new Annotation[0]);
153 input.fViewer= viewer;
154 input.fRulerInfo= fCompositeRuler;
155 input.fAnnotationListener= fgListener;
156 input.fDoubleClickListener= fDblClickListener;
157 input.redoAction= new AnnotationExpansionControl.ICallback() {
158
159 public void run(IInformationControlExtension2 control) {
160 control.setInput(getHoverInfoForLine(viewer, line));
161 }
162
163 };
164 input.model= model;
165
166 return input;
167 }
168
169 private boolean isIncluded(IJavaAnnotation annotation, boolean showTemporaryProblems) {
170
171 if (annotation instanceof ProblemAnnotation && JavaMarkerAnnotation.TASK_ANNOTATION_TYPE.equals(annotation.getType()))
173 return false;
174
175 if (!annotation.isProblem())
176 return true;
177
178 if (annotation.isMarkedDeleted() && !annotation.hasOverlay())
179 return true;
180
181 if (annotation.hasOverlay() && !annotation.isMarkedDeleted())
182 return true;
183
184
185 if (annotation.hasOverlay())
186 return (!isIncluded(annotation.getOverlay(), showTemporaryProblems));
187
188 return showTemporaryProblems && JavaCorrectionProcessor.hasCorrections((Annotation)annotation);
189 }
190
191
194 protected int getOrder(Annotation annotation) {
195 if (isBreakpointAnnotation(annotation))
196 return 1000;
197 else
198 return super.getOrder(annotation);
199 }
200
201 private boolean isBreakpointAnnotation(Annotation a) {
202 if (a instanceof JavaMarkerAnnotation) {
203 JavaMarkerAnnotation jma= (JavaMarkerAnnotation) a;
204 return jma.getType().equals("org.eclipse.debug.core.breakpoint"); }
207 return false;
208 }
209 }
210 |
Popular Tags |
Java API By Example, From Geeks To Geeks.