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/**
    This file is part of the Zeidon Java Object Engine (Zeidon JOE).

    Zeidon JOE 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 3 of the License, or
    (at your option) any later version.

    Zeidon JOE 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 Zeidon JOE.  If not, see .

    Copyright 2009-2015 QuinSoft
 */
/**
 * 
 */
package com.quinsoft.zeidon.android;

import org.apache.commons.lang3.StringUtils;

import android.content.Context;
import android.util.AttributeSet;
import android.widget.ImageView;

import com.quinsoft.zeidon.ZeidonException;
import com.squareup.picasso.Picasso;

/**
 * @author dgc
 *
 */
public class ZeidonImageView extends ImageView implements ZeidonDisplayView
{
    private final ZeidonAndroidViewDelegate viewDelegate = new ZeidonAndroidViewDelegate();
    private String previousUrl = null;

    /**
     * @param context
     */
    public ZeidonImageView(Context context)
    {
        super( context );
        throw new ZeidonException("ZeidonImageView requires some attributes.");
    }

    /**
     * @param context
     * @param attrs
     */
    public ZeidonImageView(Context context, AttributeSet attrs)
    {
        super( context, attrs );
        viewDelegate.loadConfig( this, attrs );
    }

    /**
     * @param context
     * @param attrs
     * @param defStyle
     */
    public ZeidonImageView(Context context, AttributeSet attrs, int defStyle)
    {
        super( context, attrs, defStyle );
        viewDelegate.loadConfig( this, attrs );
    }

    @Override
    public void setZeidonParent( android.view.View parent )
    {
        viewDelegate.setParentView( parent );
    }

    @Override
    public void setFromOi()
    {
        viewDelegate.setEntityInstance();
        String url = viewDelegate.getStringFromAttribute( );
        if ( StringUtils.isBlank( url ) )
            viewDelegate.findTaskQualification().log().warn( "URL for %s is blank", viewDelegate.getAttributeName() );
        else
        if ( previousUrl == null || StringUtils.equals( url, previousUrl ) )
        {
            Picasso.with( getContext() ).load( url ).into( this );
            previousUrl = url;
        }
    }

    @Override
    public String getEntityName()
    {
        return viewDelegate.getEntityName( );
    }

    @Override
    public String getViewName()
    {
        return viewDelegate.getViewName( );
    }

    @Override
    public com.quinsoft.zeidon.View getMappingView()
    {
        return viewDelegate.getMappingView();
    }

    @Override
    public android.view.View getZeidonParent()
    {
        return viewDelegate.getParentView();
    }
}