dynamicbeaninfomock.java

全面实现ilog地功能,没有使用第三方lib.

/*
 * This source code is part of TWaver 1.3.1
 *
 * SERVA Software PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 * Copyright 2000-2005 SERVA Software, Inc. All rights reserved.
 */

package demo.sheet.dynamicbean;

import java.awt.Color;
import java.beans.BeanInfo;
import java.beans.PropertyDescriptor;
import java.beans.SimpleBeanInfo;
import java.util.Random;

import twaver.BeanInfoLoader;
import twaver.Element;
import twaver.ElementAttribute;
import twaver.TDataBox;
import twaver.TaggedPropertyDescriptor;
import twaver.TaskAdapter;
import twaver.TaskScheduler;
import twaver.table.Category;

public class DynamicBeanInfoMock extends TaskAdapter{
	
	private BeanInfo defaultBF = null;
	private Random random = new Random();
	private Element element = null;
	private TDataBox box = null;
	int counter = 0;
	
	public DynamicBeanInfoMock(Element element, TDataBox box){
		this.element = element;
		this.box = box;
		TaskScheduler.getInstance().register(this);
		
		// register category
		Category.registerCategory("dynamic1", "Dynamic1", true);
		Category.registerCategory("dynamic2", "Dynamic2", true);
		Category.registerCategory("dynamic3", "Dynamic3", true);
		
		defaultBF = BeanInfoLoader.getBeanInfo(element.getClass());
	}

	public void run(long clock) {
		counter = (++counter) % 4;  
		if(counter == 1){
			registerNewBeanInfo("dynamic1", Color.BLUE);
		}
		else if(counter == 2){
			registerNewBeanInfo("dynamic2", Color.YELLOW);
		}
		else if(counter == 3){
			registerNewBeanInfo("dynamic3", Color.RED);
		}
		else{
			BeanInfoLoader.registerBeanInfo(element.getClass(), defaultBF);
		}
		
		this.box.getSelectionModel().clearSelection();
		this.box.getSelectionModel().setSelection(element);
			
	}
	
	private void registerNewBeanInfo(String categoryName, Color color){
		int newCount = random.nextInt(6) + 1;
		BeanInfo lastBF = BeanInfoLoader.getBeanInfo(element.getClass());
		PropertyDescriptor[] lastPds;
		if(lastBF == null){
			lastPds = new PropertyDescriptor[]{};
		}else{
			lastPds = lastBF.getPropertyDescriptors();
		}
	    final PropertyDescriptor[] pds = new PropertyDescriptor[lastPds.length + newCount];
	    for(int i=0; i<lastPds.length; i++){
	    	pds[i] = lastPds[i];
	    }
	    for(int i=0; i<newCount; i++){
	    	String key = categoryName + "_porp_" + i;
	    	ElementAttribute attribute = new ElementAttribute();
	    	attribute.setCategoryName(categoryName);
	    	attribute.setClientProperty(true);
	    	attribute.setClientPropertyKey(key);
	    	attribute.setDisplayName(key);
	    	attribute.setName(key);
	    	attribute.setWrite(false);
	    	attribute.setRenderer(new BarRenderer(color));
	    	
	    	try {
				pds[lastPds.length + i] = new TaggedPropertyDescriptor(attribute, element.getClass());
			} catch (Exception e) {
				e.printStackTrace();
			}

			element.putClientProperty(key, new Double(random.nextInt(100) / 100.0));
	    }
	    
	    BeanInfoLoader.registerBeanInfo(element.getClass(), new SimpleBeanInfo() {
	        public PropertyDescriptor[] getPropertyDescriptors() {
	            return pds;
	        }
	    });
	}

	
	public int getInterval() {
		return 500;
	}
}