101 lines
3.4 KiB
Java
Executable File
101 lines
3.4 KiB
Java
Executable File
/*
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* Copyright (C) 2001-2004 Red Hat Inc. All Rights Reserved.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation; either version 2.1 of
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* the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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package com.arsdigita.cms.ui;
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import com.arsdigita.bebop.PageState;
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import com.arsdigita.cms.Article;
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import com.arsdigita.cms.ImageAsset;
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import com.arsdigita.cms.ItemSelectionModel;
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import com.arsdigita.util.Assert;
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import com.arsdigita.xml.Element;
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/**
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* Extends {@link ImageDisplay} to display the first
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* (according to the order attribute) image associated with an {@link Article}
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* The typical usage for this component is
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* <blockquote><pre><code>ArticleImageDisplay d = new ArticleImageDisplay(myItemSelectionModel, false);</code></pre></blockquote>
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* <p>
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*
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* @version $Revision: #8 $ $DateTime: 2004/08/17 23:15:09 $
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* @author Michael Pih (pihman@arsdigita.com)
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* @author Stanislav Freidin (stas@arsdigita.com)
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*/
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public class ArticleImageDisplay extends ImageDisplay {
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public static final String versionId = "$Id: ArticleImageDisplay.java 287 2005-02-22 00:29:02Z sskracic $ by $Author: sskracic $, $DateTime: 2004/08/17 23:15:09 $";
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private final ItemSelectionModel m_article;
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/**
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* Construct a new <code>ArticleImageDisplay</code>
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*
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* @param article the {@link ItemSelectionModel} which
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* supplies the {@link Article}
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*
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* @param assets the {@link ItemSelectionModel} which
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* supplies the {@link ImageAsset} for the article; it is
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* the parent's responsibility to register any state parameters
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* for this model
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*/
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public ArticleImageDisplay(ItemSelectionModel article,
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ItemSelectionModel assets) {
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super(assets);
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m_article = article;
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}
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/**
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* @return The item selection model which supplies the
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* current article
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*/
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public final ItemSelectionModel getArticleSelectionModel() {
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return m_article;
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}
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/**
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* @param state The page state
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* @return the currently selected article
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* @post ( return != null )
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*/
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protected Article getArticle(PageState state) {
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Article article = (Article) m_article.getSelectedObject(state);
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Assert.assertNotNull(article, "Article");
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return article;
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}
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/**
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* Adds the image caption as an attribute of the DOM element.
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*/
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protected void generateImagePropertiesXML(ImageAsset image,
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PageState state,
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Element element) {
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super.generateImagePropertiesXML(image, state, element);
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Article article = getArticle(state);
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String caption = article.getCaption(image);
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if ( caption != null ) {
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element.addAttribute("caption", caption);
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}
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}
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}
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