tstackpanel.java

gwt 开发 界面控件的封装

package com.mc.tables.client;

import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.ScrollPanel;
import com.google.gwt.user.client.ui.StackPanel;
import com.google.gwt.user.client.ui.VerticalPanel;
import com.google.gwt.user.client.ui.Widget;

public class TStackPanel  extends Composite {

	private StackPanel stackPanel = new StackPanel();
	
	private ScrollPanel sp =new ScrollPanel();
	public TStackPanel(){	
		//stackPanel.setStyleName("");
	    VerticalPanel vp = new VerticalPanel();
		sp.add(stackPanel);	
	    
		vp.add(sp);
		vp.setBorderWidth(1);
		
	    initWidget(vp); 
	    setStyleName("T-StackPanel");
	    sp.setStyleName("T-StackPanel-Scroll");
	    stackPanel.setStyleName("T-StackPanel-Stack");
	}
	
	public void add(Widget w,String text){
		stackPanel.add(w, text);
	}
	public void add(Widget w,String html,boolean ashtml){
			stackPanel.add(w, html, ashtml);	
	}
	public void setHeight(String height){
		stackPanel.setHeight(height);
		sp.setHeight(height);
		super.setHeight(height);
	}
	public void setWidth(String width){
		stackPanel.setWidth(width);
		sp.setWidth(width);
		super.setWidth(width);
	}
	
	
	
	public void add(Widget w ,String imageUrl,String text){
		stackPanel.add(w, createHeaderHTML(imageUrl,text), true);	
	}
	
	private String createHeaderHTML(String imageUrl, String caption) {
	    return "<table align='left'style=\" margin:0;border:3px;border-top:0px; \" border=3 cellSpacing=0 cellpadding=0 width='100%'><tr><td><table align='left' height=30  border=0 cellSpacing=0 cellpadding=0 width='100%'><tr>" + "<td><img src='" + imageUrl + "'></td>"
	      + "<td style='vertical-align:middle;white-space:nowrap'>"
	      + caption + "</td>" + "</tr></table></td></tr></table>";
	  }
}