/*******************************************************************************
* Copyright (c) Emil Crumhorn - Hexapixel.com - emil.crumhorn@gmail.com
* 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:
* emil.crumhorn@gmail.com - initial API and implementation
*******************************************************************************/
package org.vietspider.generic;
import java.util.HashMap;
import java.util.Iterator;
import org.eclipse.swt.graphics.Cursor;
import org.eclipse.swt.widgets.Display;
public class CursorCache {
private static HashMap<Integer, Cursor> map = new HashMap<Integer, Cursor>();
/**
* Returns a cursor that is also cached as to not create more handles for each time the cursor type is fetched.
*
* @param type Cursor Type to fetch
* @return Cursor
*/
public static Cursor getCursor(int type) {
if (map.get(new Integer(type)) != null) {
return map.get(new Integer(type));
}
Cursor c = new Cursor(Display.getDefault(), type);
map.put(new Integer(type), c);
return c;
}
/**
* Disposes all cursors held in the cache.
* <p>
* <b>IMPORTANT: ONLY CALL WHEN YOU WANT TO DISPOSE ALL CACHED CURSORS!</b>
*
*/
public static void dispose() {
if (map != null && map.keySet() != null) {
Iterator<Integer> keys = map.keySet().iterator();
while (keys.hasNext()) {
Object key = keys.next();
(map.get(key)).dispose();
}
}
map = null;
}
}