beanbartool.java

jrc-src0.4.00源代码发布版（Java客户端框架）

package efly.clientframe.core.container;

import java.util.Hashtable;
import java.util.Vector;

import org.eclipse.swt.custom.CTabItem;
import org.eclipse.swt.widgets.ToolBar;

/**
 * @author efly
 * @version 1.0.0,12/05/02
 */
public class BeanBarTool {
	private static BeanBarTool instance;
	private Hashtable pool = new Hashtable(5);

	protected BeanBarTool() {
	}

	public synchronized static BeanBarTool getBeanBarTool() {
		if (instance == null)
			instance = new BeanBarTool();
		return instance;
	}

	public void bind(CTabItem beanItem, ToolBar beanBar) {
		pool.put(beanItem, beanBar);
	}

	public ToolBar getBeanBar(Object beanItem) {
		return (ToolBar) pool.get(beanItem);
	}

	public void removeBean(Object beanItem) {
		ToolBar bar = getBeanBar(beanItem);
		if (bar != null)
			bar.setSize(1, 0);
		pool.remove(beanItem);
	}

	/**
	 * 获得所有Bean工具栏
	 * @return ToolBar[]
	 */
	public ToolBar[] getBeanBars() {
		Vector vec = new Vector(pool.values());
		int len = vec.size();
		if (len == 0)
			return null;
		ToolBar[] bars = new ToolBar[len];
		for (int i = 0; i < len; i++) {
			bars[i] = (ToolBar) vec.elementAt(i);
		}
		return bars;
	}

}