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/*******************************************************************************
* 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();
}
}
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