package com.vci.client.ui.swing.components;

import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.io.Serializable;

import javax.swing.text.Document;

import com.vci.client.ui.swing.components.VCIJTextField;

public class VCIJRealTextField extends VCIJTextField implements Serializable {

	/**
	 * 
	 */
	private static final long serialVersionUID = -2711989168936034987L;
	/**
	 * 
	 */
	
	public VCIJRealTextField(String text){
		super(text);
		addKeyListener(new KeyAdapter() {
			public void keyReleased(KeyEvent e){
				this_keyReleased(e);
			}
		});
	}
	
	private void this_keyReleased(KeyEvent e){
		String text = getText();
		if(text.equals("")) return;
		// 数值不能以-.或.开头
		if(text.startsWith("-.")){
			text = "-0." + text.substring(2);
		} else if(text.startsWith(".")){
			text = "0." + text.substring(1);
		}
		String str = text.substring(0, text.length() - 1);
		String last = text.substring(text.length() - 1);
		// Real类型的输入时，只能出现一个.
		if(last.equals(".")){
			if(str.indexOf(".") > 0){
				text = str;
			}
		}
		setText(text);
	}
	
	@Override
	protected Document createDefaultModel(){
		return new NumberPlainDocument(true);
	}
}