129 lines
4.8 KiB
Java
129 lines
4.8 KiB
Java
/*
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* Copyright (C) 2007 Chris Gilbert. 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.forum;
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import java.math.BigDecimal;
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import com.arsdigita.bebop.Page;
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import com.arsdigita.bebop.PageFactory;
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import com.arsdigita.bebop.PageState;
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import com.arsdigita.bebop.SimpleComponent;
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import com.arsdigita.bebop.event.RequestEvent;
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import com.arsdigita.bebop.event.RequestListener;
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import com.arsdigita.bebop.parameters.BigDecimalParameter;
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// import com.arsdigita.bebop.parameters.ParameterModel;
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import com.arsdigita.forum.ui.Constants;
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import com.arsdigita.forum.ui.ForumUserCompactView;
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import com.arsdigita.kernel.permissions.PrivilegeDescriptor;
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import com.arsdigita.toolbox.ui.ApplicationAuthenticationListener;
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import com.arsdigita.xml.Element;
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/**
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* Implementation of com.arsdigita.forum.PageBuilder that creates a
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* basic forum page with read access check.
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* Controls forum.ui classes to generate the xml and display the desired
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* elements (here esp. ForumUserCompactView).
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*
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* @author chris.gilbert@westsussex.gov.uk
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*/
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public class ForumPageBuilder implements PageBuilder, Constants {
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/**
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*
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* @return
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*/
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public Page buildPage() {
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Page page = PageFactory.buildPage(Constants.FORUM_XML_PREFIX,
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"Forum",
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"forumPage");
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//Output the title in an easy to find place
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page.add(new SimpleComponent(){
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public void generateXML(PageState state, Element parent) {
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Element nameElement = parent.newChildElement(
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Constants.FORUM_XML_PREFIX +
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":name",
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Constants.FORUM_XML_NS);
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nameElement.setText(
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ForumContext.getContext(state).getForum().getTitle());
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Element introductionElement = parent.newChildElement(
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Constants.FORUM_XML_PREFIX +
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":introduction",
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Constants.FORUM_XML_NS);
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introductionElement.setText(
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ForumContext.getContext(state).getForum().getIntroduction());
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}
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});
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ForumUserCompactView forumComp = getForumComponent();
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page.add(forumComp);
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BigDecimalParameter topic = new BigDecimalParameter(TOPIC_PARAM);
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page.addGlobalStateParam(topic);
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// adds primitive READ descriptor, should be FORUM_READ instead in order
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// to allow forum specific READ access and forums not accessible to
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// the public, not logged-in user.
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// PrivilegeDescriptor.get(RESPOND_TO_THREAD_PRIVILEGE)
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// PrivilegeDescriptor.get(FORUM_READ_PRIVILEGE)
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page.addRequestListener(
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new ApplicationAuthenticationListener(PrivilegeDescriptor.READ));
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page.addRequestListener(new ForumPageRequestListener(topic, forumComp));
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return page;
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}
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/**
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*
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* @return
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*/
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protected ForumUserCompactView getForumComponent() {
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return new ForumUserCompactView();
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}
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/**
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* Internal class
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*/
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private static class ForumPageRequestListener implements RequestListener {
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private BigDecimalParameter m_categorySelection;
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private ForumUserCompactView m_forumComp;
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/**
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* Default Constructor
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* @param topicSelection
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* @param forumComp
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*/
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public ForumPageRequestListener(BigDecimalParameter topicSelection,
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ForumUserCompactView forumComp) {
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m_categorySelection = topicSelection;
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m_forumComp = forumComp;
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}
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public void pageRequested(RequestEvent event) {
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PageState state = event.getPageState();
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ForumContext context = ForumContext.getContext(state);
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context.setCategorySelection(
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(BigDecimal) event.getPageState().getValue(m_categorySelection));
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}
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}
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}
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