package org.loon.framework.android.game.core.graphics.window;



import org.loon.framework.android.game.core.LSystem;

import org.loon.framework.android.game.core.graphics.LColor;

import org.loon.framework.android.game.core.graphics.LComponent;

import org.loon.framework.android.game.core.graphics.LFont;

import org.loon.framework.android.game.core.graphics.LImage;

import org.loon.framework.android.game.core.graphics.filter.ImageFilterFactory;

import org.loon.framework.android.game.utils.GraphicsUtils;



import android.view.KeyEvent;

import android.view.MotionEvent;



/**

 * 

 * Copyright 2008 - 2009

 * 

 * Licensed under the Apache License, Version 2.0 (the "License"); you may not

 * use this file except in compliance with the License. You may obtain a copy of

 * the License at

 * 

 * http://www.apache.org/licenses/LICENSE-2.0

 * 

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT

 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the

 * License for the specific language governing permissions and limitations under

 * the License.

 * 

 * @project loonframework

 * @author chenpeng

 * @email?ceponline@yahoo.com.cn

 * @version 0.1

 */



public class LButton extends LComponent {



	private String text = "";



	private boolean over, pressed, exception;



	private int pressedTime, offsetLeft, offsetTop;



	private LFont font = LFont.getFont(LSystem.FONT_NAME, 0, 20);



	private LColor fontColor = LColor.white;



	public LButton(String fileName) {

		this(fileName, null, 0, 0);

	}



	public LButton(String fileName, String text, int x, int y) {

		this(GraphicsUtils.loadImage(fileName, true), text, x, y);

	}



	public LButton(LImage img, String text, int x, int y) {

		this(img, text, img.getWidth(), img.getHeight(), x, y);

	}



	public LButton(String fileName, int row, int col) {

		this(fileName, null, row, col, 0, 0);

	}



	public LButton(String fileName, String text, int row, int col, int x, int y) {

		this(GraphicsUtils.loadImage(fileName, true), text, row, col, x, y);

	}



	public LButton(LImage img, String text, int row, int col, int x, int y) {

		this(GraphicsUtils.getSplitImages(img, row, col), text, row, col, x, y);

	}



	public LButton(LImage[] img, String text, int row, int col, int x, int y) {

		super(x, y, row, col);

		this.setImages(img);

		this.text = text;

	}



	public LButton(String text, int x, int y, int w, int h) {

		super(x, y, w, h);

		this.text = text;

	}

	

	public void setImages(LImage[] images) {

		LImage[] buttons = new LImage[4];

		if (images != null) {

			int size = images.length;

			switch (size) {

			case 1:

				buttons[0] = ImageFilterFactory.getGray(images[0]);

				buttons[1] = images[0];

				buttons[2] = images[0];

				buttons[3] = images[0];

				break;

			case 2:

				buttons[0] = images[0];

				buttons[1] = images[1];

				buttons[2] = images[0];

				buttons[3] = images[0];

				break;

			case 3:

				buttons[0] = images[0];

				buttons[1] = images[1];

				buttons[2] = images[2];

				buttons[3] = images[0];

				break;

			case 4:

				buttons = images;

				break;

			default:

				exception = true;

				break;

			}

		}

		if (!exception) {

			this.setImageUI(buttons, true);

		}



	}



	public void update(long timer) {

		if (this.pressedTime > 0 && --this.pressedTime <= 0) {

			this.pressed = false;

		}

	}



	public boolean isTouchOver() {

		return this.over;

	}



	public boolean isTouchPressed() {

		return this.pressed;

	}



	public String getText() {

		return this.text;

	}



	public void setText(String st) {

		this.text = st;

		this.createUI();

	}



	protected void processTouchDragged() {

		if (this.input.isTouchDown(MotionEvent.ACTION_MOVE)) {

			this.over = this.pressed = this.intersects(this.input.getTouchX(),

					this.input.getTouchY());

		}

	}



	/**

	 * ?????????????

	 * 

	 */

	public void doClick() {

	}



	public void downClick() {



	}



	public void upClick() {



	}



	protected void processTouchClicked() {

		if (this.input.getTouchReleased() == MotionEvent.ACTION_UP) {

			this.doClick();

		}

	}



	protected void processTouchPressed() {

		if (this.input.getTouchPressed() == MotionEvent.ACTION_DOWN) {

			this.downClick();

			this.pressed = true;

		}

	}



	protected void processTouchReleased() {

		if (this.input.getTouchReleased() == MotionEvent.ACTION_UP) {

			this.upClick();

			this.pressed = false;

		}

	}



	protected void processTouchEntered() {

		this.over = true;

	}



	protected void processTouchExited() {

		this.over = this.pressed = false;

	}



	protected void processKeyPressed() {

		if (this.isSelected()

				&& this.input.getKeyPressed() == KeyEvent.KEYCODE_ENTER) {

			this.pressedTime = 5;

			this.pressed = true;

			this.doClick();

		}

	}



	protected void processKeyReleased() {

		if (this.isSelected()

				&& this.input.getKeyReleased() == KeyEvent.KEYCODE_ENTER) {

			this.pressed = false;

		}

	}



	public boolean isException() {

		return exception;

	}



	public String getUIName() {

		return "Button";

	}



	public LFont getFont() {

		return font;

	}



	public void setFont(LFont font) {

		this.font = font;

	}



	public LColor getFontColor() {

		return fontColor;

	}



	public void setFontColor(LColor fontColor) {

		this.fontColor = fontColor;

	}



	public int getOffsetLeft() {

		return offsetLeft;

	}



	public void setOffsetLeft(int offsetLeft) {

		this.offsetLeft = offsetLeft;

	}



	public int getOffsetTop() {

		return offsetTop;

	}



	public void setOffsetTop(int offsetTop) {

		this.offsetTop = offsetTop;

	}



}