|
1
11 package org.eclipse.jdt.internal.ui.search;
12
13 import org.eclipse.core.resources.IFile;
14 import org.eclipse.core.resources.IMarker;
15 import org.eclipse.core.resources.IResource;
16 import org.eclipse.core.runtime.CoreException;
17 import org.eclipse.jdt.core.IClassFile;
18 import org.eclipse.jdt.core.IJavaElement;
19 import org.eclipse.jdt.core.IMember;
20 import org.eclipse.jdt.internal.ui.IJavaHelpContextIds;
21 import org.eclipse.jdt.internal.ui.JavaPlugin;
22 import org.eclipse.jdt.internal.ui.javaeditor.EditorUtility;
23 import org.eclipse.jdt.internal.ui.javaeditor.InternalClassFileEditorInput;
24 import org.eclipse.jdt.internal.ui.util.SelectionUtil;
25 import org.eclipse.jdt.ui.IPackagesViewPart;
26 import org.eclipse.jdt.ui.JavaUI;
27 import org.eclipse.jface.action.Action;
28 import org.eclipse.jface.dialogs.MessageDialog;
29 import org.eclipse.search.ui.ISearchResultView;
30 import org.eclipse.search.ui.ISearchResultViewEntry;
31 import org.eclipse.search.ui.NewSearchUI;
32 import org.eclipse.search.ui.SearchUI;
33 import org.eclipse.ui.IEditorInput;
34 import org.eclipse.ui.IEditorPart;
35 import org.eclipse.ui.IEditorReference;
36 import org.eclipse.ui.IReusableEditor;
37 import org.eclipse.ui.IViewPart;
38 import org.eclipse.ui.IWorkbenchPage;
39 import org.eclipse.ui.PartInitException;
40 import org.eclipse.ui.help.WorkbenchHelp;
41 import org.eclipse.ui.ide.IDE;
42 import org.eclipse.ui.part.FileEditorInput;
43
44 public class GotoMarkerAction extends Action {
45
46 private IEditorPart fEditor;
47
48 public GotoMarkerAction(){
49 WorkbenchHelp.setHelp(this, IJavaHelpContextIds.GOTO_MARKER_ACTION);
50 }
51
52 public void run() {
53 ISearchResultView view= SearchUI.getSearchResultView();
54 Object  element= SelectionUtil.getSingleElement(view.getSelection());
55 if (element instanceof ISearchResultViewEntry) {
56 ISearchResultViewEntry entry= (ISearchResultViewEntry)element;
57 show(entry.getSelectedMarker());
58 }
59 }
60
61 private void show(IMarker marker) {
62 IResource resource= marker.getResource();
63 if (resource == null || !resource.exists())
64 return;
65 IWorkbenchPage wbPage= JavaPlugin.getActivePage();
66 IJavaElement javaElement= SearchUtil.getJavaElement(marker);
67
68 if (javaElement != null && javaElement.getElementType() == IJavaElement.PACKAGE_FRAGMENT)
69 gotoPackagesView(javaElement, wbPage);
70 else {
71 if (NewSearchUI.reuseEditor())
72 showWithReuse(marker, resource, javaElement, wbPage);
73 else
74 showWithoutReuse(marker, javaElement, wbPage);
75 }
76 }
77
78 private void showWithoutReuse(IMarker marker, IJavaElement javaElement, IWorkbenchPage wbPage) {
79 IEditorPart editor= null;
80 try {
81 Object objectToOpen= javaElement;
82 if (objectToOpen == null)
83 objectToOpen= marker.getResource();
84 editor= EditorUtility.openInEditor(objectToOpen, false);
85 } catch (CoreException ex) {
86 MessageDialog.openError(JavaPlugin.getActiveWorkbenchShell(), SearchMessages.getString("Search.Error.openEditor.title"), SearchMessages.getString("Search.Error.openEditor.message")); }
88 if (editor != null)
89 IDE.gotoMarker(editor, marker);
90 }
91
92 private void showWithReuse(IMarker marker, IResource resource, IJavaElement javaElement, IWorkbenchPage wbPage) {
93 if (javaElement == null || !isBinary(javaElement)) {
94 if (resource instanceof IFile)
95 showInEditor(marker, wbPage, new FileEditorInput((IFile)resource), JavaUI.ID_CU_EDITOR);
96 }
97 else {
98 IClassFile cf= getClassFile(javaElement);
99 if (cf != null)
100 showInEditor(marker, wbPage, new InternalClassFileEditorInput(cf), JavaUI.ID_CF_EDITOR);
101 }
102 }
103
104 private boolean isPinned(IEditorPart editor) {
105 if (editor == null)
106 return false;
107
108 IEditorReference[] editorRefs= editor.getEditorSite().getPage().getEditorReferences();
109 int i= 0;
110 while (i < editorRefs.length) {
111 if (editor.equals(editorRefs[i].getEditor(false)))
112 return editorRefs[i].isPinned();
113 i++;
114 }
115 return false;
116 }
117
118 private void showInEditor(IMarker marker, IWorkbenchPage page, IEditorInput input, String editorId) {
119 IEditorPart editor= page.findEditor(input);
120 if (editor != null)
121 page.bringToTop(editor);
122 else {
123 boolean isOpen= false;
124 if (fEditor != null) {
125 IEditorReference[] parts= page.getEditorReferences();
126 int i= 0;
127 while (!isOpen && i < parts.length)
128 isOpen= fEditor == parts[i++].getEditor(false);
129 }
130
131 boolean canBeReused= isOpen && !fEditor.isDirty() && !isPinned(fEditor);
132 boolean showsSameInputType= fEditor != null && fEditor.getSite().getId().equals(editorId);
133 if (canBeReused && !showsSameInputType) {
134 page.closeEditor(fEditor, false);
135 fEditor= null;
136 }
137
138 if (canBeReused && showsSameInputType) {
139 ((IReusableEditor)fEditor).setInput(input);
140 page.bringToTop(fEditor);
141 editor= fEditor;
142 } else {
143 try {
144 editor= page.openEditor(input, editorId, false);
145 if (editor instanceof IReusableEditor)
146 fEditor= editor;
147 else
148 fEditor= null;
149 } catch (PartInitException ex) {
150 MessageDialog.openError(JavaPlugin.getActiveWorkbenchShell(), SearchMessages.getString("Search.Error.openEditor.title"), SearchMessages.getString("Search.Error.openEditor.message")); return;
152 }
153 }
154 }
155
156 if (editor != null) {
157 IDE.gotoMarker(editor, marker);
158 }
159 }
160
161 private void gotoPackagesView(IJavaElement javaElement, IWorkbenchPage wbPage) {
162 try {
163 IViewPart view= wbPage.showView(JavaUI.ID_PACKAGES);
164 if (view instanceof IPackagesViewPart)
165 ((IPackagesViewPart)view).selectAndReveal(javaElement);
166 } catch (PartInitException ex) {
167 MessageDialog.openError(JavaPlugin.getActiveWorkbenchShell(), SearchMessages.getString("Search.Error.openEditor.title"), SearchMessages.getString("Search.Error.openEditor.message")); }
169 }
170
171 private IClassFile getClassFile(IJavaElement jElement) {
172 if (jElement instanceof IMember)
173 return ((IMember)jElement).getClassFile();
174 return null;
175 }
176
177 private boolean isBinary(IJavaElement jElement) {
178 if (jElement instanceof IMember)
179 return ((IMember)jElement).isBinary();
180 return false;
181 }
182 }
183 |
Popular Tags |
Java API By Example, From Geeks To Geeks.