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


import java.awt.Color;
import java.awt.Graphics;
import java.awt.event.FocusEvent;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;

import javax.swing.JTextArea;
import javax.swing.text.Document;

import com.vci.client.ui.swing.VCISwingUtil;

/**
 * 
 * <p>Title: </p>
 * <p>Description: </p>
 * <p>Copyright: Copyright (c) 2012</p>
 * <p>Company: VCI</p>
 * @author xchao
 * @time 2012-5-10
 * @version 1.0
 */
public class VCIJTextArea extends JTextArea implements MouseListener{

	/**
	 * 
	 */
	private static final long serialVersionUID = 2642791569725874464L;
	public VCIJTextArea(boolean required) {
		this("", required);
	}
	public VCIJTextArea(String text, boolean required) {
		this(text);
		setRequired(required);
	}
	
	public VCIJTextArea() {
		this("");
	}

	public VCIJTextArea(String text) {
		this(null, text, 0, 0);
	}

	public VCIJTextArea(Document doc) {
		this(doc, null, 0, 0);
	}

	public VCIJTextArea(int rows, int columns) {
		this(null, null, rows, columns);
	}

	public VCIJTextArea(String text, int rows, int columns) {
		this(null, text, rows, columns);
	}

	public VCIJTextArea(Document doc, String text, int rows, int columns) {
		super(doc, text, rows, columns);
		customConstructor();
	}
	
	private void customConstructor(){
		setFont(VCISwingUtil.FONT_DEFAULT);
		addMouseListener(this);
		VCIJTextContextMenu.register(this);
	}
	private boolean required = false;
	
	public boolean isRequired() {
		return required;
	}

	public void setRequired(boolean required) {
		this.required = required;
	}
	@Override
	public void paint(Graphics g){
		super.paint(g);
		if(isRequired()) {
			drawRequiredFlag(g);
		}
	}

	private void drawRequiredFlag(Graphics g){
		int x = getWidth() - 9;
		int y = 1;
		g.setColor(Color.RED);
		g.fillArc(x, y, 7, 7, 0, 360);
//		int x = getWidth() - 10;
//		int y = 10;
//		g.setColor(Color.RED);
//		g.drawString("*", x, y);
	}
	
	private Object obj =  null;
	public Object getObj() {
		return obj;
	}
	public void setObj(Object obj) {
		this.obj = obj;
	}
	
	private boolean hasFocus = false;
	public void mouseClicked(MouseEvent e) {
		hasFocus = true;
		setBackground(VCISwingUtil.JTEXT_FIELD_MOUSE_CLICK_BACKGROUND_COLOR);
		setBorder(VCISwingUtil.JTEXT_FIELD_BORDER_MOUSE_CLICKED);
	}

	public void mousePressed(MouseEvent e) {
		// TODO Auto-generated method stub
		
	}

	public void mouseReleased(MouseEvent e) {
		// TODO Auto-generated method stub
		
	}

	public void mouseEntered(MouseEvent e) {
		setBorder(VCISwingUtil.JTEXT_FIELD_BORDER_MOUSE_ENTERED);
	}

	@Override 
	public void processFocusEvent(FocusEvent event){
		super.processFocusEvent(event);
		if(hasFocus) {
			hasFocus = false;
			setBorder(VCISwingUtil.JTEXT_FIELD_BORDER_MOUSE_EXITED);
			setBackground(VCISwingUtil.JTEXT_FIELD_MOUSE_EXITED_BACKGROUND_COLOR);
		}
	}
	
	public void mouseExited(MouseEvent e) {
		if(hasFocus){
			setBorder(VCISwingUtil.JTEXT_FIELD_BORDER_MOUSE_ENTERED);
		}else{
			setBorder(VCISwingUtil.JTEXT_FIELD_BORDER_MOUSE_EXITED);
		}
	}
	
}