SimplePicturePanel.java

/**
 * Copyright 2011 the original author or authors.
 *
 * 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.bricket.plugin.picture.web;

import org.apache.wicket.RequestCycle;
import org.apache.wicket.behavior.SimpleAttributeModifier;
import org.apache.wicket.markup.html.WebComponent;
import org.apache.wicket.markup.html.panel.Panel;
import org.bricket.plugin.picture.domain.Picture;
import org.bricket.service.UncheckedRuntimeException;
import org.bricket.web.BricketApplication;

/**
 * Simple way to display a picture without worrying about html and stuff.
 * 
 * @author Ingo Renner
 * @author Henning Teek
 * 
 */
public class SimplePicturePanel extends Panel {

    private final PictureVariantType variant;
    private final Picture picture;

    public SimplePicturePanel(String id, final PictureVariantType variant, final Picture picture) {
        super(id);
        this.variant = variant;
        this.picture = picture;
    }

    @Override
    protected void onInitialize() {
        super.onInitialize();
        final String url;
        final String css;
        switch (variant) {
        case THUMBNAIL:
            url = ((BricketApplication) getApplication()).getThumbnailUrl(picture.getId(), RequestCycle.get());
            css = "thumbnail";
            break;
        case PREVIEW:
            url = ((BricketApplication) getApplication()).getPreviewUrl(picture.getId(), RequestCycle.get());
            css = "preview";
            break;
        case LAYOUT:
            url = ((BricketApplication) getApplication()).getLayoutUrl(picture.getId(), RequestCycle.get());
            css = "layout";
            break;
        default:
            throw new UncheckedRuntimeException("Unknown dimension " + variant);
        }
        final WebComponent wc = new WebComponent("pic");
        wc.add(new SimpleAttributeModifier("alt", picture.getTitle()));
        wc.add(new SimpleAttributeModifier("src", url));
        wc.add(new SimpleAttributeModifier("class", css));
        add(wc);
    }
}