| /******************************************************************************* |
| * Copyright (c) 2000, 2009 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.jdt.internal.ui.search; |
| |
| import org.eclipse.swt.widgets.Composite; |
| |
| import org.eclipse.jface.action.IMenuManager; |
| import org.eclipse.jface.action.IToolBarManager; |
| import org.eclipse.jface.commands.ActionHandler; |
| import org.eclipse.jface.dialogs.IDialogSettings; |
| import org.eclipse.jface.viewers.ISelection; |
| import org.eclipse.jface.viewers.StructuredSelection; |
| import org.eclipse.jface.viewers.TableViewer; |
| import org.eclipse.jface.viewers.TreeViewer; |
| import org.eclipse.jface.viewers.Viewer; |
| import org.eclipse.jface.viewers.ViewerComparator; |
| |
| import org.eclipse.jface.text.ITextSelection; |
| |
| import org.eclipse.ui.IActionBars; |
| import org.eclipse.ui.IEditorPart; |
| import org.eclipse.ui.IEditorReference; |
| import org.eclipse.ui.IPartListener2; |
| import org.eclipse.ui.IWorkbenchCommandConstants; |
| import org.eclipse.ui.IWorkbenchPage; |
| import org.eclipse.ui.IWorkbenchPartReference; |
| import org.eclipse.ui.PartInitException; |
| import org.eclipse.ui.handlers.IHandlerService; |
| import org.eclipse.ui.part.IPageSite; |
| |
| import org.eclipse.ui.texteditor.ITextEditor; |
| |
| import org.eclipse.search.ui.NewSearchUI; |
| import org.eclipse.search.ui.text.AbstractTextSearchResult; |
| import org.eclipse.search.ui.text.AbstractTextSearchViewPage; |
| import org.eclipse.search.ui.text.Match; |
| |
| import org.eclipse.jdt.core.IJavaElement; |
| import org.eclipse.jdt.core.ITypeRoot; |
| import org.eclipse.jdt.core.JavaModelException; |
| import org.eclipse.jdt.core.dom.CompilationUnit; |
| |
| import org.eclipse.jdt.ui.JavaUI; |
| import org.eclipse.jdt.ui.SharedASTProvider; |
| |
| import org.eclipse.jdt.internal.ui.JavaPlugin; |
| import org.eclipse.jdt.internal.ui.actions.AbstractToggleLinkingAction; |
| import org.eclipse.jdt.internal.ui.viewsupport.ColoringLabelProvider; |
| import org.eclipse.jdt.internal.ui.viewsupport.ISelectionListenerWithAST; |
| import org.eclipse.jdt.internal.ui.viewsupport.SelectionListenerWithASTManager; |
| |
| |
| public class OccurrencesSearchResultPage extends AbstractTextSearchViewPage { |
| |
| private static final String DIALOGSTORE_LINKEDITORS= "TypeHierarchyViewPart.linkeditors"; //$NON-NLS-1$ |
| |
| private TextSearchTableContentProvider fContentProvider; |
| |
| private boolean fLinkingEnabled; |
| private AbstractToggleLinkingAction fToggleLinkingAction; |
| private LinkWithEditorListener fLinkWithEditorListener; |
| |
| private class LinkWithEditorListener implements IPartListener2, ISelectionListenerWithAST { |
| |
| private ITextEditor fActiveEditor; |
| private boolean fIsVisible; |
| |
| public void install(IWorkbenchPage page) { |
| page.addPartListener(this); |
| fIsVisible= page.isPartVisible(getViewPart()); |
| if (fIsVisible) { |
| installOnActiveEditor(page); |
| } |
| } |
| |
| private void installOnActiveEditor(IWorkbenchPage page) { |
| IEditorPart activeEditor= page.getActiveEditor(); |
| if (activeEditor instanceof ITextEditor) { |
| editorActive(activeEditor); |
| ISelection selection= activeEditor.getSite().getSelectionProvider().getSelection(); |
| ITypeRoot typeRoot= JavaUI.getEditorInputTypeRoot(activeEditor.getEditorInput()); |
| if (typeRoot != null && selection instanceof ITextSelection) { |
| CompilationUnit astRoot= SharedASTProvider.getAST(typeRoot, SharedASTProvider.WAIT_ACTIVE_ONLY, null); |
| if (astRoot != null) { |
| preformEditorSelectionChanged((ITextSelection) selection, astRoot); |
| } |
| } |
| } |
| } |
| |
| private void uninstallOnActiveEditor() { |
| if (fActiveEditor != null) { |
| SelectionListenerWithASTManager.getDefault().removeListener(fActiveEditor, this); |
| fActiveEditor= null; |
| } |
| } |
| |
| public void uninstall(IWorkbenchPage page) { |
| page.removePartListener(this); |
| uninstallOnActiveEditor(); |
| } |
| |
| public void partActivated(IWorkbenchPartReference partRef) { |
| if (fIsVisible && partRef instanceof IEditorReference) { |
| editorActive(((IEditorReference) partRef).getEditor(true)); |
| } |
| } |
| |
| private void editorActive(IEditorPart editor) { |
| if (editor instanceof ITextEditor) { |
| if (editor != fActiveEditor) { |
| setInput(null, null); |
| } |
| fActiveEditor= (ITextEditor) editor; |
| SelectionListenerWithASTManager.getDefault().addListener(fActiveEditor, this); |
| } |
| } |
| |
| public void partDeactivated(IWorkbenchPartReference partRef) { |
| } |
| |
| public void selectionChanged(IEditorPart part, ITextSelection selection, CompilationUnit astRoot) { |
| preformEditorSelectionChanged(selection, astRoot); |
| } |
| |
| public void partVisible(IWorkbenchPartReference partRef) { |
| if (NewSearchUI.SEARCH_VIEW_ID.equals(partRef.getId()) && partRef.getPart(true) == getViewPart()) { |
| if (fActiveEditor == null) { |
| fIsVisible= true; |
| } |
| } |
| } |
| |
| public void partHidden(IWorkbenchPartReference partRef) { |
| if (NewSearchUI.SEARCH_VIEW_ID.equals(partRef.getId()) && partRef.getPart(true) == getViewPart()) { |
| fIsVisible= false; |
| uninstallOnActiveEditor(); |
| } else if (partRef instanceof IEditorReference && partRef.getPart(true) == fActiveEditor) { |
| uninstallOnActiveEditor(); |
| } |
| } |
| |
| public void partBroughtToTop(IWorkbenchPartReference partRef) { |
| } |
| |
| public void partClosed(IWorkbenchPartReference partRef) { |
| if (partRef instanceof IEditorReference && partRef.getPart(true) == fActiveEditor) { |
| uninstallOnActiveEditor(); |
| } |
| } |
| |
| public void partInputChanged(IWorkbenchPartReference partRef) { |
| } |
| |
| public void partOpened(IWorkbenchPartReference partRef) { |
| } |
| } |
| |
| private class ToggleLinkingAction extends AbstractToggleLinkingAction { |
| @Override |
| public void run() { |
| setLinkingEnabled(isChecked()); |
| } |
| } |
| |
| public OccurrencesSearchResultPage() { |
| super(AbstractTextSearchViewPage.FLAG_LAYOUT_FLAT); |
| fLinkWithEditorListener= new LinkWithEditorListener(); |
| fLinkingEnabled= false; |
| fToggleLinkingAction= new ToggleLinkingAction(); |
| fToggleLinkingAction.setActionDefinitionId(IWorkbenchCommandConstants.NAVIGATE_TOGGLE_LINK_WITH_EDITOR); |
| } |
| |
| @Override |
| public void init(IPageSite pageSite) { |
| super.init(pageSite); |
| // wait until site is set |
| setLinkingEnabled(getDialogSettings().getBoolean(DIALOGSTORE_LINKEDITORS)); |
| } |
| |
| @Override |
| public void dispose() { |
| if (fLinkingEnabled) { |
| fLinkWithEditorListener.uninstall(getSite().getPage()); |
| } |
| super.dispose(); |
| } |
| |
| @Override |
| protected void fillToolbar(IToolBarManager tbm) { |
| super.fillToolbar(tbm); |
| tbm.add(fToggleLinkingAction); |
| } |
| |
| @Override |
| public void createControl(Composite parent) { |
| super.createControl(parent); |
| |
| IActionBars bars= getSite().getActionBars(); |
| IMenuManager menu= bars.getMenuManager(); |
| menu.add(fToggleLinkingAction); |
| |
| IHandlerService handlerService= (IHandlerService) getSite().getService(IHandlerService.class); |
| handlerService.activateHandler(IWorkbenchCommandConstants.NAVIGATE_TOGGLE_LINK_WITH_EDITOR, new ActionHandler(fToggleLinkingAction)); |
| } |
| |
| /* |
| * @see org.eclipse.search.ui.text.AbstractTextSearchViewPage#showMatch(org.eclipse.search.ui.text.Match, int, int) |
| */ |
| @Override |
| protected void showMatch(Match match, int currentOffset, int currentLength, boolean activate) throws PartInitException { |
| JavaElementLine element= (JavaElementLine) match.getElement(); |
| IJavaElement javaElement= element.getJavaElement(); |
| try { |
| IEditorPart editor= JavaUI.openInEditor(javaElement, false, false); |
| if (editor instanceof ITextEditor) { |
| ITextEditor textEditor= (ITextEditor) editor; |
| textEditor.selectAndReveal(currentOffset, currentLength); |
| } |
| // activating at the end avoids an outdated selection event from JavaUI.openInEditor(..): |
| if (editor != null && activate) |
| editor.getEditorSite().getPage().activate(editor); |
| } catch (PartInitException e1) { |
| return; |
| } catch (JavaModelException e1) { |
| return; |
| } |
| |
| } |
| |
| /* |
| * @see org.eclipse.search.ui.text.AbstractTextSearchViewPage#elementsChanged(java.lang.Object[]) |
| */ |
| @Override |
| protected void elementsChanged(Object[] objects) { |
| if (fContentProvider != null) |
| fContentProvider.elementsChanged(objects); |
| } |
| |
| /* |
| * @see org.eclipse.search.ui.text.AbstractTextSearchViewPage#clear() |
| */ |
| @Override |
| protected void clear() { |
| if (fContentProvider != null) |
| fContentProvider.clear(); |
| } |
| |
| /* |
| * @see org.eclipse.search.ui.text.AbstractTextSearchViewPage#configureTreeViewer(org.eclipse.jface.viewers.TreeViewer) |
| */ |
| @Override |
| protected void configureTreeViewer(TreeViewer viewer) { |
| throw new IllegalStateException("Doesn't support tree mode."); //$NON-NLS-1$ |
| } |
| |
| /* |
| * @see org.eclipse.search.ui.text.AbstractTextSearchViewPage#configureTableViewer(org.eclipse.jface.viewers.TableViewer) |
| */ |
| @Override |
| protected void configureTableViewer(TableViewer viewer) { |
| viewer.setComparator(new ViewerComparator() { |
| @Override |
| public int compare(Viewer v, Object e1, Object e2) { |
| JavaElementLine jel1= (JavaElementLine) e1; |
| JavaElementLine jel2= (JavaElementLine) e2; |
| return jel1.getLine() - jel2.getLine(); |
| } |
| }); |
| viewer.setLabelProvider(new ColoringLabelProvider(new OccurrencesSearchLabelProvider(this))); |
| fContentProvider= new TextSearchTableContentProvider(); |
| viewer.setContentProvider(fContentProvider); |
| } |
| |
| public boolean isLinkingEnabled() { |
| return fLinkingEnabled; |
| } |
| |
| public void setLinkingEnabled(boolean enabled) { |
| if (fLinkingEnabled != enabled) { |
| fLinkingEnabled= enabled; |
| fToggleLinkingAction.setChecked(enabled); |
| getDialogSettings().put(DIALOGSTORE_LINKEDITORS, enabled); |
| |
| if (enabled) { |
| fLinkWithEditorListener.install(getSite().getPage()); |
| } else { |
| fLinkWithEditorListener.uninstall(getSite().getPage()); |
| } |
| } |
| } |
| |
| private IDialogSettings getDialogSettings() { |
| return JavaPlugin.getDefault().getDialogSettingsSection("OccurrencesSearchResultPage"); //$NON-NLS-1$ |
| } |
| |
| |
| private void preformEditorSelectionChanged(ITextSelection selection, CompilationUnit astRoot) { |
| if (!isLinkingEnabled()) { |
| return; |
| } |
| IOccurrencesFinder finder; |
| |
| AbstractTextSearchResult input= getInput(); |
| if (input == null) { |
| finder= new OccurrencesFinder(); |
| } else { |
| String id= ((OccurrencesSearchQuery) input.getQuery()).getFinderId(); |
| if (id == OccurrencesFinder.ID) { |
| finder= new OccurrencesFinder(); |
| } else if (id == ExceptionOccurrencesFinder.ID) { |
| finder= new ExceptionOccurrencesFinder(); |
| } else { |
| finder= new ImplementOccurrencesFinder(); |
| } |
| } |
| |
| int offset= selection.getOffset(); |
| int length= selection.getLength(); |
| if (finder.initialize(astRoot, offset, length) == null) { |
| final OccurrencesSearchQuery query= new OccurrencesSearchQuery(finder, astRoot.getTypeRoot()); |
| query.run(null); |
| OccurrencesSearchResult result= (OccurrencesSearchResult) query.getSearchResult(); |
| final JavaElementLine line= getMatchingLine(result, offset, length); |
| |
| getSite().getShell().getDisplay().asyncExec(new Runnable() { |
| public void run() { |
| setInput(query.getSearchResult(), line == null ? null : new StructuredSelection(line)); |
| } |
| }); |
| } |
| } |
| |
| private static JavaElementLine getMatchingLine(OccurrencesSearchResult result, int offset, int length) { |
| Object[] elements= result.getElements(); |
| for (int i= 0; i < elements.length; i++) { |
| JavaElementLine line= (JavaElementLine) elements[i]; |
| Match[] matches= result.getMatches(line); |
| for (int j= 0; j < matches.length; j++) { |
| OccurrenceMatch match= (OccurrenceMatch) matches[j]; |
| if (match.getOriginalOffset() <= offset && offset + length <= match.getOriginalOffset() + match.getOriginalLength()) { |
| return line; |
| } |
| } |
| } |
| return null; |
| } |
| } |