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1
11 package org.eclipse.search.internal.ui;
12
13 import java.util.ArrayList  ;
14 import java.util.Iterator ;
15
16 import org.eclipse.core.resources.IMarker;
17 import org.eclipse.core.runtime.CoreException;
18
19 import org.eclipse.swt.custom.BusyIndicator;
20
21 import org.eclipse.jface.action.Action;
22 import org.eclipse.jface.viewers.ISelection;
23 import org.eclipse.jface.viewers.ISelectionProvider;
24 import org.eclipse.jface.viewers.IStructuredSelection;
25
26 import org.eclipse.search.ui.ISearchResultViewEntry;
27
28 import org.eclipse.search.internal.ui.util.ExceptionHandler;
29
30
33 class RemoveResultAction extends Action {
34
35 private ISelectionProvider fSelectionProvider;
36
37 public RemoveResultAction(ISelectionProvider provider, boolean stringsDependOnMatchCount) {
38 fSelectionProvider= provider;
39 if (!stringsDependOnMatchCount || usePluralLabel()) {
40 setText(SearchMessages.SearchResultView_removeEntries_text);
41 setToolTipText(SearchMessages.SearchResultView_removeEntries_tooltip);
42 }
43 else {
44 setText(SearchMessages.SearchResultView_removeEntry_text);
45 setToolTipText(SearchMessages.SearchResultView_removeEntry_tooltip);
46 }
47 SearchPluginImages.setImageDescriptors(this, SearchPluginImages.T_LCL, SearchPluginImages.IMG_LCL_SEARCH_REM);
48 }
49
50 public void run() {
51 final IMarker[] markers= getMarkers(fSelectionProvider.getSelection());
52 if (markers != null) {
53 BusyIndicator.showWhile(SearchPlugin.getActiveWorkbenchShell().getDisplay(), new Runnable () {
54 public void run() {
55 try {
56 SearchPlugin.getWorkspace().deleteMarkers(markers);
57 } catch (CoreException ex) {
58 ExceptionHandler.handle(ex, SearchMessages.Search_Error_deleteMarkers_title, SearchMessages.Search_Error_deleteMarkers_message);
59 }
60 }
61 });
62 }
63 }
64
65 private IMarker[] getMarkers(ISelection s) {
66 if (! (s instanceof IStructuredSelection) || s.isEmpty())
67 return null;
68
69 IStructuredSelection selection= (IStructuredSelection)s;
70 int size= selection.size();
71 if (size <= 0)
72 return null;
73 ArrayList markers= new ArrayList (size * 3);
74 int markerCount= 0;
75 Iterator iter= selection.iterator();
76 for(int i= 0; iter.hasNext(); i++) {
77 SearchResultViewEntry entry= (SearchResultViewEntry)iter.next();
78 markerCount += entry.getMatchCount();
79 markers.addAll(entry.getMarkers());
80 }
81 return (IMarker[])markers.toArray(new IMarker[markerCount]);
82 }
83
84 private boolean usePluralLabel() {
85 ISelection s= fSelectionProvider.getSelection();
86 if (s == null || s.isEmpty() || !(s instanceof IStructuredSelection))
87 return false;
88 IStructuredSelection selection= (IStructuredSelection)s;
89
90 if (selection.size() != 1)
91 return true;
92
93 Object firstElement= selection.getFirstElement();
94 if (firstElement instanceof ISearchResultViewEntry)
95 return ((ISearchResultViewEntry)firstElement).getMatchCount() > 1;
96 return false;
97 }
98 }
99 |
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