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/*******************************************************************************
* Copyright (c) 2000, 2012 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.search2.internal.ui;
import java.util.LinkedList;
import org.eclipse.ui.IViewReference;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.PartInitException;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.WorkbenchException;
import org.eclipse.search.internal.ui.SearchPlugin;
import org.eclipse.search.internal.ui.SearchPreferencePage;
import org.eclipse.search.internal.ui.util.ExceptionHandler;
import org.eclipse.search.ui.IQueryListener;
import org.eclipse.search.ui.ISearchQuery;
import org.eclipse.search.ui.ISearchResult;
import org.eclipse.search.ui.ISearchResultViewPart;
import org.eclipse.search.ui.NewSearchUI;
/**
*
*/
public class SearchViewManager {
private IQueryListener fNewQueryListener;
private int fViewCount= 0;
private LinkedList<SearchView> fLRUSearchViews;
public SearchViewManager(QueryManager queryManager) {
fNewQueryListener= new IQueryListener() {
@Override
public void queryAdded(ISearchQuery query) {
showNewSearchQuery(query);
}
@Override
public void queryRemoved(ISearchQuery query) {}
@Override
public void queryStarting(ISearchQuery query) {}
@Override
public void queryFinished(ISearchQuery query) {}
};
queryManager.addQueryListener(fNewQueryListener);
fLRUSearchViews= new LinkedList<>();
}
public void dispose(QueryManager queryManager) {
queryManager.removeQueryListener(fNewQueryListener);
}
protected boolean showNewSearchQuery(ISearchQuery query) {
if (!fLRUSearchViews.isEmpty()) {
SearchView view= fLRUSearchViews.getFirst();
view.showSearchResult(query.getSearchResult());
return true;
}
return false;
}
public ISearchResultViewPart activateSearchView(boolean avoidPinnedViews) {
return activateSearchView(avoidPinnedViews, false);
}
public ISearchResultViewPart activateSearchView(boolean avoidPinnedViews, boolean openInNew) {
IWorkbenchPage activePage= SearchPlugin.getActivePage();
String defaultPerspectiveId= NewSearchUI.getDefaultPerspectiveId();
if (defaultPerspectiveId != null) {
IWorkbenchWindow window= activePage.getWorkbenchWindow();
if (window != null && window.getShell() != null && !window.getShell().isDisposed()) {
try {
activePage= PlatformUI.getWorkbench().showPerspective(defaultPerspectiveId, window);
} catch (WorkbenchException ex) {
// show view in current perspective
}
}
}
if (activePage != null) {
try {
ISearchResultViewPart viewPart= null;
if (!openInNew) {
viewPart= findLRUSearchResultView(activePage, avoidPinnedViews);
}
String secondaryId= null;
if (viewPart == null) {
if (activePage.findViewReference(NewSearchUI.SEARCH_VIEW_ID) != null)
secondaryId= String.valueOf(++fViewCount); // avoid a secondary ID because of bug 125315
} else if (!SearchPreferencePage.isViewBroughtToFront())
return viewPart;
else
secondaryId= viewPart.getViewSite().getSecondaryId();
return (ISearchResultViewPart) activePage.showView(NewSearchUI.SEARCH_VIEW_ID, secondaryId, IWorkbenchPage.VIEW_ACTIVATE);
} catch (PartInitException ex) {
ExceptionHandler.handle(ex, SearchMessages.Search_Error_openResultView_title, SearchMessages.Search_Error_openResultView_message);
}
}
return null;
}
public boolean isShown(ISearchQuery query) {
for (SearchView view : fLRUSearchViews) {
ISearchResult currentSearchResult= view.getCurrentSearchResult();
if (currentSearchResult != null && query == currentSearchResult.getQuery()) {
return true;
}
}
return false;
}
public void activateSearchView(ISearchResultViewPart viewPart) {
try {
IWorkbenchPage activePage= viewPart.getSite().getPage();
String secondaryId= viewPart.getViewSite().getSecondaryId();
activePage.showView(NewSearchUI.SEARCH_VIEW_ID, secondaryId, IWorkbenchPage.VIEW_ACTIVATE);
} catch (PartInitException ex) {
ExceptionHandler.handle(ex, SearchMessages.Search_Error_openResultView_title, SearchMessages.Search_Error_openResultView_message);
}
}
private ISearchResultViewPart findLRUSearchResultView(IWorkbenchPage page, boolean avoidPinnedViews) {
boolean viewFoundInPage= false;
for (SearchView view : fLRUSearchViews) {
if (page.equals(view.getSite().getPage())) {
if (!avoidPinnedViews || !view.isPinned()) {
return view;
}
viewFoundInPage= true;
}
}
if (!viewFoundInPage) {
// find unresolved views
IViewReference[] viewReferences= page.getViewReferences();
for (IViewReference curr : viewReferences) {
if (NewSearchUI.SEARCH_VIEW_ID.equals(curr.getId()) && page.equals(curr.getPage())) {
SearchView view= (SearchView) curr.getView(true);
if (view != null && (!avoidPinnedViews || !view.isPinned())) {
return view;
}
}
}
}
return null;
}
public void searchViewActivated(SearchView view) {
fLRUSearchViews.remove(view);
fLRUSearchViews.addFirst(view);
}
public void searchViewClosed(SearchView view) {
fLRUSearchViews.remove(view);
}
public ISearchResultViewPart getActiveSearchView() {
IWorkbenchPage activePage= SearchPlugin.getActivePage();
if (activePage != null) {
return findLRUSearchResultView(activePage, false);
}
return null;
}
}
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