UIImageView.java

/*
 * Copyright (C) 2012 Wu Tong
 *
 * 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.
 */
package org.cocoa4android.ui;

import org.cocoa4android.cg.CGRect;


import android.content.Context;
import android.graphics.Canvas;
import android.widget.ImageView;
import android.widget.RelativeLayout;
import android.widget.RelativeLayout.LayoutParams;

public class UIImageView extends UIView {
	
	protected ImageView imageView;
	public ImageView getImageView() {
		return imageView;
	}
	private UIImage image;
	private UIImage highlightedImage;
	
	private boolean highlighted=NO;
	
	public boolean isHighlighted() {
		return highlighted;
	}
	public void setHighlighted(boolean highlighted) {
		if(this.highlighted!=highlighted){
			if(highlighted){
				if(highlightedImage!=null){
					imageView.setImageDrawable(highlightedImage.getDrawable());
				}
			}else{
				if(image!=null){
					imageView.setImageDrawable(image.getDrawable());
				}
			}
		}
		this.highlighted = highlighted;
	}
	public UIImage HighlightedImage() {
		return highlightedImage;
	}
	public void setHighlightedImage(UIImage highlightedImage) {
		if (highlightedImage!=null&&this.highlightedImage!=highlightedImage&&highlighted) {
			imageView.setImageDrawable(highlightedImage.getDrawable());
		}
		this.highlightedImage = highlightedImage;
		
	}
	public UIImageView(UIImage image){
		this();
		this.setImage(image);
		this.setFrame(CGRectMake(0, 0, image.size().width, image.size().height));
	}
	
	public UIImageView(){
		imageView = new ImageView(this.context);
		//fix me
		imageView.setScaleType(ImageView.ScaleType.FIT_XY); 
		
		LayoutParams params = new LayoutParams(LayoutParams.FILL_PARENT, LayoutParams.FILL_PARENT);
		params.alignWithParent = true;
		params.addRule(RelativeLayout.ALIGN_PARENT_LEFT);
		params.addRule(RelativeLayout.ALIGN_PARENT_TOP);
		params.leftMargin = 0;
		params.topMargin = 0;
		imageView.setLayoutParams(params);
		
		this.setView(imageView);
		//FIXME the imageView suppose to keepAspectRatio but the position will be moved and leave gaps
		//this.keepAspectRatio = YES;
	}
	
	public UIImageView(CGRect frame){
		this();
		this.setFrame(frame);
	}
	public UIImage image() {
		return image;
	}
	public void setImage(UIImage image) {
		this.image = image;
		if(image!=null){
			if(image.getResId()!=0){
				imageView.setImageResource(image.getResId());
			}else{
				imageView.setImageDrawable(image.getDrawable());
			}
		}
	}
}