/*
 Copyright (c) 2014 Ahomé Innovation Technologies. All rights reserved.

 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 com.ait.toolkit.sencha.ext.client.ui;

import com.ait.toolkit.sencha.ext.client.core.Component;
import com.google.gwt.core.client.JavaScriptObject;
import com.google.gwt.resources.client.ImageResource;

/**
 * Simple helper class for easily creating image components. This simply renders
 * an image tag to the DOM with the configured src.
 * 
 */
public class Image extends Component {

    private static JavaScriptObject configPrototype;
    private com.google.gwt.user.client.ui.Image imageResource = new com.google.gwt.user.client.ui.Image();

    private native void init()/*-{
		var c = new $wnd.Ext.window.Window();
		@com.ait.toolkit.sencha.ext.client.ui.Image::configPrototype = c.initialConfig;
    }-*/;

    protected JavaScriptObject getConfigPrototype() {
        return configPrototype;
    }

    public String getXType() {
        return "image";
    }

    @Override
    protected native JavaScriptObject create(JavaScriptObject config) /*-{
		return new $wnd.Ext.Img(config);
    }-*/;

    public Image() {

    }

    public Image(JavaScriptObject peer) {
        super(peer);
    }

    public Image(String src) {
        this();
        setSrc(src);
    }

    public Image(ImageResource r) {
        this();
        imageResource.setResource(r);
        setSrc(imageResource.getUrl());

    }

    public void setSrc(ImageResource resource) {
        imageResource.setResource(resource);
        setSrc(imageResource.getUrl());
    }

    /**
     * Updates the src of the image.
     * 
     * @param value
     */
    public native void setSrc(String value) /*-{
		var image = this.@com.ait.toolkit.sencha.ext.client.core.Component::getOrCreateJsObj()();
		image.setSrc(value);
    }-*/;

    /**
     * The descriptive text for non-visual UI description.
     * 
     * Defaults to: ""
     * 
     * @param value
     */
    public void setAlt(String value) {
        setAttribute("alt", value, true);
    }

    /**
     * Specifies addtional information about the image.
     * <p>
     * Defaults to: ''
     */
    public void setTitle(String value) {
        setAttribute("title", value, true);
    }

    /**
     * Optional CSS classes to add to the img element
     * <p>
     * Defaults to: ''
     */
    public void setImageCls(String value) {
        setAttribute("imgCls", value, true);
    }

    public static Image cast(Component component) {
        return new Image(component.getOrCreateJsObj());
    }

}