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Java > Open Source Codes > org > eclipse > search > internal > ui > SearchDropDownAction


1 /*******************************************************************************
2  * Copyright (c) 2000, 2006 IBM Corporation and others.
3  * All rights reserved. This program and the accompanying materials
4  * are made available under the terms of the Eclipse Public License v1.0
5  * which accompanies this distribution, and is available at
6  * http://www.eclipse.org/legal/epl-v10.html
7  *
8  * Contributors:
9  * IBM Corporation - initial API and implementation
10  *******************************************************************************/
11 package org.eclipse.search.internal.ui;
12
13 import java.util.Iterator JavaDoc;
14
15 import org.eclipse.swt.SWT;
16 import org.eclipse.swt.widgets.Control;
17 import org.eclipse.swt.widgets.Menu;
18 import org.eclipse.swt.widgets.MenuItem;
19
20 import org.eclipse.jface.action.Action;
21 import org.eclipse.jface.action.ActionContributionItem;
22 import org.eclipse.jface.action.IMenuCreator;
23
24 /**
25  * @deprecated old search
26  */
27 class SearchDropDownAction extends Action implements IMenuCreator {
28
29
30     public static final int RESULTS_IN_DROP_DOWN= 10;
31
32     private Menu fMenu;
33     
34     public SearchDropDownAction() {
35         setText(SearchMessages.SearchResultView_previousSearches_text);
36         setToolTipText(SearchMessages.SearchResultView_previousSearches_tooltip);
37         SearchPluginImages.setImageDescriptors(this, SearchPluginImages.T_LCL, SearchPluginImages.IMG_LCL_SEARCH_HISTORY);
38         setMenuCreator(this);
39     }
40
41     public void dispose() {
42         if (fMenu != null) {
43             fMenu.dispose();
44             fMenu= null;
45         }
46     }
47
48     public Menu getMenu(Menu parent) {
49         return null;
50     }
51
52     public Menu getMenu(Control parent) {
53         if (fMenu != null)
54             fMenu.dispose();
55         
56         fMenu= new Menu(parent);
57         boolean checkedOne= false;
58         Iterator JavaDoc iter= SearchManager.getDefault().getPreviousSearches().iterator();
59         Search selected= SearchManager.getDefault().getCurrentSearch();
60         int i= 0;
61         while (iter.hasNext() && i++ < RESULTS_IN_DROP_DOWN) {
62             Search search= (Search)iter.next();
63             ShowSearchAction action= new ShowSearchAction(search);
64             action.setChecked(search.equals(selected));
65             if (search.equals(selected))
66                 checkedOne= true;
67             addActionToMenu(fMenu, action);
68         }
69         new MenuItem(fMenu, SWT.SEPARATOR);
70         if (iter.hasNext()) {
71             Action others= new ShowSearchesAction();
72             others.setChecked(!checkedOne);
73             addActionToMenu(fMenu, others);
74         }
75         addActionToMenu(fMenu, new RemoveAllSearchesAction());
76         return fMenu;
77     }
78
79     protected void addActionToMenu(Menu parent, Action action) {
80         ActionContributionItem item= new ActionContributionItem(action);
81         item.fill(parent, -1);
82     }
83
84     public void run() {
85             new ShowSearchesAction().run(true);
86     }
87
88     /**
89      * Get's rid of the menu, because the menu hangs on to
90      * the searches, etc.
91      */
92     void clear() {
93         dispose();
94     }
95 }
96
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