row.java

FIRE (Flexible Interface Rendering Engine)是一个J2ME上的灵活的图形界面引擎

/*
 * Fire (Flexible Interface Rendering Engine) is a set of graphics widgets for creating GUIs for j2me applications. 
 * Copyright (C) 2006-2008 Bluevibe (www.bluevibe.net)
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 * 
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 * 
 */

package gr.fire.ui;

import gr.fire.core.BoxLayout;
import gr.fire.core.CommandListener;
import gr.fire.core.Container;
import gr.fire.core.FireScreen;

import javax.microedition.lcdui.Command;
import javax.microedition.lcdui.Image;

/**
 * 
 * This class is demonstrating the use of the basic UI components of fire2.0 in order to 
 * create a class similar in functionallity to the Fire1.2 Row class.
 *  
 * @author padeler
 *
 */
public class Row extends Container
{
	private ImageComponent imgCmp=null;
	private TextComponent txtCmp=null;
	
	
	public Row(Image img,String txt,boolean imgFirst,int width,int layout)
	{
		super(new BoxLayout(BoxLayout.X_AXIS));
		//super(new GridLayout(1,2));
		int w = width;
		int height = 0;
		if(img!=null)
		{
			imgCmp = new ImageComponent(img,"");
			imgCmp.setLayout(layout);
			imgCmp.validate();
			height=img.getHeight();
			w -=img.getWidth();
		}
		if(txt!=null)
		{
			txtCmp = new TextComponent(txt,w);
			txtCmp.setLayout(layout);
			txtCmp.validate();
			int th = txtCmp.getContentHeight();
			if(th>height) height=th;
		}
		
		if(imgFirst)
		{
			if(imgCmp!=null)
				add(imgCmp);
			if(txtCmp!=null)
				add(txtCmp);
		}
		else
		{
			if(txtCmp!=null)
				add(txtCmp);
			if(imgCmp!=null)
				add(imgCmp);
		}
		setPrefSize(width,height);
	}
	
	/**
	 * Creates a Row with an image followed by text
	 * 
	 * @param img
	 * @param txt
	 */
	public Row(Image img,String txt)
	{
		this(img,txt,true,FireScreen.getScreen().getWidth(),FireScreen.TOP|FireScreen.LEFT);
	}
	
	/**
	 * Creates a Row with text followed by an image
	 * 
	 * @param img
	 * @param txt
	 */	
	public Row(String txt, Image img)
	{
		this(img,txt,false,FireScreen.getScreen().getWidth(),FireScreen.TOP|FireScreen.LEFT);
	}
	
	public Row(Image img)
	{
		this(img,null,false,FireScreen.getScreen().getWidth(),FireScreen.TOP|FireScreen.LEFT);
	}
	
	public Row(String txt)
	{
		this(null,txt,false,FireScreen.getScreen().getWidth(),FireScreen.TOP|FireScreen.LEFT);
	}	
	
	
	public void setCommand(Command c)
	{
		if(txtCmp!=null)
		{
			txtCmp.setCommand(c);
		}
		else if(imgCmp!=null)
		{
			imgCmp.setCommand(c);
		}
	}
	
	
	public void setCommandListener(CommandListener listener)
	{
		if(txtCmp!=null)
		{
			txtCmp.setCommandListener(listener);
		}
		else if(imgCmp!=null)
		{
			imgCmp.setCommandListener(listener);
		}
	}
}