com.quinsoft.zeidon.android.ZeidonImageView.java Source code

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Here is the source code for com.quinsoft.zeidon.android.ZeidonImageView.java

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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 <http://www.gnu.org/licenses/>.
    
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();
    }
}