1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
|
package org.eclipse.search2.internal.ui;
import java.lang.reflect.InvocationTargetException;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.jobs.Job;
import org.eclipse.jface.dialogs.ProgressMonitorDialog;
import org.eclipse.jface.operation.IRunnableContext;
import org.eclipse.jface.operation.IRunnableWithProgress;
import org.eclipse.jface.util.Assert;
import org.eclipse.ui.IViewPart;
import org.eclipse.ui.PartInitException;
import org.eclipse.search.ui.ISearchQuery;
import org.eclipse.search.ui.ISearchResult;
import org.eclipse.search.ui.ISearchResultManager;
import org.eclipse.search.internal.ui.SearchPlugin;
import org.eclipse.search2.internal.ui.text.PositionTracker;
public class InternalSearchUI {
//The shared instance.
private static InternalSearchUI plugin;
private HashMap fSearchJobs;
private ISearchResultManager fSearchResultsManager;
private PositionTracker fPositionTracker;
private HashSet fJobListeners;
private static final String SEARCH_VIEW_ID= "org.eclipse.search.ui.views.SearchView"; //$NON-NLS-1$
private class SearchJobRecord {
public ISearchQuery fQuery;
public Job fJob;
public boolean fBackground;
public boolean fIsRunning;
SearchJobRecord(ISearchQuery job, boolean bg) {
fQuery= job;
fBackground= bg;
fIsRunning= false;
}
}
private class InternalSearchJob extends Job {
SearchJobRecord fSearchJobRecord;
ISearchResult fResult;
public InternalSearchJob(SearchJobRecord sjr, ISearchResult result) {
super(sjr.fQuery.getName());
fSearchJobRecord= sjr;
fResult= result;
}
protected IStatus run(IProgressMonitor monitor) {
fSearchJobRecord.fJob= this;
searchJobStarted(fSearchJobRecord);
IStatus status= null;
try{
status= fSearchJobRecord.fQuery.run(monitor, fResult);
} finally {
searchJobFinished(fSearchJobRecord);
}
fSearchJobRecord.fJob= null;
return status;
}
}
private void searchJobStarted(SearchJobRecord record) {
record.fIsRunning= true;
HashSet clonedSet= (HashSet) fJobListeners.clone();
for (Iterator listeners= clonedSet.iterator(); listeners.hasNext();) {
ISearchQueryListener listener= (ISearchQueryListener) listeners.next();
listener.searchQueryStarted(record.fQuery);
}
}
private void searchJobFinished(SearchJobRecord record) {
record.fIsRunning= false;
HashSet clonedSet= (HashSet) fJobListeners.clone();
for (Iterator listeners= clonedSet.iterator(); listeners.hasNext();) {
ISearchQueryListener listener= (ISearchQueryListener) listeners.next();
listener.searchQueryFinished(record.fQuery);
}
}
void addSearchQueryListener(ISearchQueryListener l) {
fJobListeners.add(l);
}
void removeSearchQueryListener(ISearchQueryListener l) {
fJobListeners.remove(l);
}
/**
* The constructor.
*/
public InternalSearchUI() {
plugin= this;
fSearchJobs= new HashMap();
fSearchResultsManager= new SearchResultsManager();
fPositionTracker= new PositionTracker();
fJobListeners= new HashSet();
}
/**
* Returns the shared instance.
*/
public static InternalSearchUI getInstance() {
if (plugin ==null)
plugin= new InternalSearchUI();
return plugin;
}
public IViewPart getSearchView() {
return SearchPlugin.getDefault().getWorkbench().getActiveWorkbenchWindow().getActivePage().findView(SEARCH_VIEW_ID);
}
public boolean runSearchInBackground(ISearchQuery job, ISearchResult result) {
Assert.isTrue(fSearchJobs.get(job) == null);
getSearchManager().addSearchResult(result);
if (isQueryRunning(job))
return false;
SearchJobRecord sjr= new SearchJobRecord(job, true);
fSearchJobs.put(job, sjr);
doRunSearchInBackground(sjr, result);
return true;
}
boolean isQueryRunning(ISearchQuery job) {
SearchJobRecord sjr= (SearchJobRecord) fSearchJobs.get(job);
return sjr != null && sjr.fIsRunning;
}
public boolean runSearchInForeground(IRunnableContext context, final ISearchQuery job, ISearchResult result) {
Assert.isTrue(fSearchJobs.get(job) == null);
getSearchManager().addSearchResult(result);
if (isQueryRunning(job))
return false;
SearchJobRecord sjr= new SearchJobRecord(job, false);
fSearchJobs.put(job, sjr);
doRunSearchInForeground(sjr, result, context);
return true;
}
private void doRunSearchInBackground(SearchJobRecord jobRecord, ISearchResult result) {
if (jobRecord.fJob == null) {
jobRecord.fJob= new InternalSearchJob(jobRecord, result);
jobRecord.fJob.setPriority(Job.BUILD);
}
jobRecord.fJob.schedule();
}
public boolean runAgain(ISearchQuery job, ISearchResult result) {
final SearchJobRecord rec= (SearchJobRecord) fSearchJobs.get(job);
if (rec == null)
return false;
if (rec.fBackground) {
doRunSearchInBackground(rec, result);
} else {
ProgressMonitorDialog pmd= new ProgressMonitorDialog(getSearchView().getSite().getShell());
doRunSearchInForeground(rec, result, pmd);
}
return true;
}
private void doRunSearchInForeground(final SearchJobRecord rec, final ISearchResult result, IRunnableContext context) {
try {
context.run(true, true, new IRunnableWithProgress() {
public void run(IProgressMonitor monitor) {
searchJobStarted(rec);
try {
rec.fQuery.run(monitor, result);
} finally {
searchJobFinished(rec);
}
}
});
} catch (InvocationTargetException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (InterruptedException e) {
// means we were cancelled.
}
}
public void shutdown() {
Iterator jobRecs= fSearchJobs.values().iterator();
while (jobRecs.hasNext()) {
SearchJobRecord element= (SearchJobRecord) jobRecs.next();
if (element.fJob != null)
element.fJob.cancel();
}
fPositionTracker.dispose();
}
public void cancelSearch(ISearchQuery job) {
SearchJobRecord rec= (SearchJobRecord) fSearchJobs.get(job);
if (rec != null && rec.fJob != null)
rec.fJob.cancel();
}
public void activateSearchView() {
try {
SearchPlugin.getActiveWorkbenchWindow().getActivePage().showView(SEARCH_VIEW_ID);
} catch (PartInitException ex) {
// TODO Auto-generated catch block
}
}
public ISearchResultManager getSearchManager() {
return fSearchResultsManager;
}
public PositionTracker getPositionTracker() {
return fPositionTracker;
}
}
|
