| /******************************************************************************* |
| * Copyright (c) 2000, 2003 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Common Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/cpl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.search.internal.ui; |
| |
| import java.util.Iterator; |
| |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.widgets.Control; |
| import org.eclipse.swt.widgets.Menu; |
| import org.eclipse.swt.widgets.MenuItem; |
| |
| import org.eclipse.jface.action.Action; |
| import org.eclipse.jface.action.ActionContributionItem; |
| import org.eclipse.jface.action.IMenuCreator; |
| |
| class SearchDropDownAction extends Action implements IMenuCreator { |
| |
| |
| public static final int RESULTS_IN_DROP_DOWN= 10; |
| |
| private Menu fMenu; |
| |
| public SearchDropDownAction() { |
| setText(SearchMessages.getString("SearchResultView.previousSearches.text")); //$NON-NLS-1$ |
| setToolTipText(SearchMessages.getString("SearchResultView.previousSearches.tooltip")); //$NON-NLS-1$ |
| SearchPluginImages.setImageDescriptors(this, SearchPluginImages.T_LCL, SearchPluginImages.IMG_LCL_SEARCH_HISTORY); |
| setMenuCreator(this); |
| } |
| |
| public void dispose() { |
| if (fMenu != null) { |
| fMenu.dispose(); |
| fMenu= null; |
| } |
| } |
| |
| public Menu getMenu(Menu parent) { |
| return null; |
| } |
| |
| public Menu getMenu(Control parent) { |
| if (fMenu != null) |
| fMenu.dispose(); |
| |
| fMenu= new Menu(parent); |
| boolean checkedOne= false; |
| Iterator iter= SearchManager.getDefault().getPreviousSearches().iterator(); |
| Search selected= SearchManager.getDefault().getCurrentSearch(); |
| int i= 0; |
| while (iter.hasNext() && i++ < RESULTS_IN_DROP_DOWN) { |
| Search search= (Search)iter.next(); |
| ShowSearchAction action= new ShowSearchAction(search); |
| action.setChecked(search.equals(selected)); |
| if (search.equals(selected)) |
| checkedOne= true; |
| addActionToMenu(fMenu, action); |
| } |
| new MenuItem(fMenu, SWT.SEPARATOR); |
| if (iter.hasNext()) { |
| Action others= new ShowSearchesAction(); |
| others.setChecked(!checkedOne); |
| addActionToMenu(fMenu, others); |
| } |
| addActionToMenu(fMenu, new RemoveAllSearchesAction()); |
| return fMenu; |
| } |
| |
| protected void addActionToMenu(Menu parent, Action action) { |
| ActionContributionItem item= new ActionContributionItem(action); |
| item.fill(parent, -1); |
| } |
| |
| public void run() { |
| new ShowSearchesAction().run(true); |
| } |
| |
| /** |
| * Get's rid of the menu, because the menu hangs on to |
| * the searches, etc. |
| */ |
| void clear() { |
| dispose(); |
| } |
| } |