001    /**
002     * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
003     *
004     * This library is free software; you can redistribute it and/or modify it under
005     * the terms of the GNU Lesser General Public License as published by the Free
006     * Software Foundation; either version 2.1 of the License, or (at your option)
007     * any later version.
008     *
009     * This library is distributed in the hope that it will be useful, but WITHOUT
010     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
011     * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
012     * details.
013     */
014    
015    package com.liferay.portlet.wiki.asset;
016    
017    import com.liferay.portal.kernel.portlet.LiferayPortletRequest;
018    import com.liferay.portal.kernel.portlet.LiferayPortletResponse;
019    import com.liferay.portal.kernel.trash.TrashRenderer;
020    import com.liferay.portal.kernel.util.HtmlUtil;
021    import com.liferay.portal.security.permission.ActionKeys;
022    import com.liferay.portal.security.permission.PermissionChecker;
023    import com.liferay.portal.theme.ThemeDisplay;
024    import com.liferay.portal.util.PortletKeys;
025    import com.liferay.portal.util.PropsValues;
026    import com.liferay.portal.util.WebKeys;
027    import com.liferay.portlet.asset.model.AssetRendererFactory;
028    import com.liferay.portlet.asset.model.BaseAssetRenderer;
029    import com.liferay.portlet.trash.util.TrashUtil;
030    import com.liferay.portlet.wiki.model.WikiPage;
031    import com.liferay.portlet.wiki.model.WikiPageConstants;
032    import com.liferay.portlet.wiki.service.WikiPageLocalServiceUtil;
033    import com.liferay.portlet.wiki.service.permission.WikiPagePermission;
034    import com.liferay.portlet.wiki.util.WikiUtil;
035    
036    import java.util.Date;
037    import java.util.Locale;
038    
039    import javax.portlet.PortletRequest;
040    import javax.portlet.PortletResponse;
041    import javax.portlet.PortletURL;
042    import javax.portlet.RenderRequest;
043    import javax.portlet.RenderResponse;
044    import javax.portlet.WindowState;
045    
046    /**
047     * @author Julio Camarero
048     * @author Sergio Gonz??lez
049     */
050    public class WikiPageAssetRenderer
051            extends BaseAssetRenderer implements TrashRenderer {
052    
053            public static final String TYPE = "wiki_page";
054    
055            public static long getClassPK(WikiPage page) {
056                    if (!page.isApproved() && !page.isDraft() && !page.isPending() &&
057                            !page.isInTrash() &&
058                            (page.getVersion() != WikiPageConstants.VERSION_DEFAULT)) {
059    
060                            return page.getPageId();
061                    }
062                    else {
063                            return page.getResourcePrimKey();
064                    }
065            }
066    
067            public WikiPageAssetRenderer(WikiPage page) {
068                    _page = page;
069            }
070    
071            @Override
072            public String getClassName() {
073                    return WikiPage.class.getName();
074            }
075    
076            @Override
077            public long getClassPK() {
078                    return getClassPK(_page);
079            }
080    
081            @Override
082            public String getDiscussionPath() {
083                    if (PropsValues.WIKI_PAGE_COMMENTS_ENABLED) {
084                            return "edit_page_discussion";
085                    }
086                    else {
087                            return null;
088                    }
089            }
090    
091            @Override
092            public Date getDisplayDate() {
093                    return _page.getModifiedDate();
094            }
095    
096            @Override
097            public long getGroupId() {
098                    return _page.getGroupId();
099            }
100    
101            @Override
102            public String getPortletId() {
103                    return PortletKeys.WIKI;
104            }
105    
106            @Override
107            public String getSummary(
108                    PortletRequest portletRequest, PortletResponse portletResponse) {
109    
110                    String content = _page.getContent();
111    
112                    try {
113                            content = HtmlUtil.extractText(
114                                    WikiUtil.convert(_page, null, null, null));
115                    }
116                    catch (Exception e) {
117                    }
118    
119                    return content;
120            }
121    
122            @Override
123            public String getThumbnailPath(PortletRequest portletRequest)
124                    throws Exception {
125    
126                    ThemeDisplay themeDisplay = (ThemeDisplay)portletRequest.getAttribute(
127                            WebKeys.THEME_DISPLAY);
128    
129                    return themeDisplay.getPathThemeImages() +
130                            "/file_system/large/wiki_page.png";
131            }
132    
133            @Override
134            public String getTitle(Locale locale) {
135                    if (!_page.isInTrash()) {
136                            return _page.getTitle();
137                    }
138    
139                    return TrashUtil.getOriginalTitle(_page.getTitle());
140            }
141    
142            @Override
143            public String getType() {
144                    return TYPE;
145            }
146    
147            @Override
148            public PortletURL getURLEdit(
149                            LiferayPortletRequest liferayPortletRequest,
150                            LiferayPortletResponse liferayPortletResponse)
151                    throws Exception {
152    
153                    PortletURL portletURL = liferayPortletResponse.createLiferayPortletURL(
154                            getControlPanelPlid(liferayPortletRequest), PortletKeys.WIKI,
155                            PortletRequest.RENDER_PHASE);
156    
157                    portletURL.setParameter("struts_action", "/wiki/edit_page");
158                    portletURL.setParameter("nodeId", String.valueOf(_page.getNodeId()));
159                    portletURL.setParameter("title", _page.getTitle());
160    
161                    return portletURL;
162            }
163    
164            @Override
165            public PortletURL getURLExport(
166                    LiferayPortletRequest liferayPortletRequest,
167                    LiferayPortletResponse liferayPortletResponse) {
168    
169                    PortletURL exportPortletURL = liferayPortletResponse.createActionURL();
170    
171                    exportPortletURL.setParameter(
172                            "struts_action", "/asset_publisher/export_wiki_page");
173                    exportPortletURL.setParameter(
174                            "nodeId", String.valueOf(_page.getNodeId()));
175                    exportPortletURL.setParameter("title", _page.getTitle());
176    
177                    return exportPortletURL;
178            }
179    
180            @Override
181            public PortletURL getURLView(
182                            LiferayPortletResponse liferayPortletResponse,
183                            WindowState windowState)
184                    throws Exception {
185    
186                    AssetRendererFactory assetRendererFactory = getAssetRendererFactory();
187    
188                    PortletURL portletURL = assetRendererFactory.getURLView(
189                            liferayPortletResponse, windowState);
190    
191                    portletURL.setParameter("struts_action", "/wiki/view");
192                    portletURL.setParameter("nodeId", String.valueOf(_page.getNodeId()));
193                    portletURL.setParameter("title", _page.getTitle());
194                    portletURL.setWindowState(windowState);
195    
196                    return portletURL;
197            }
198    
199            @Override
200            public PortletURL getURLViewDiffs(
201                            LiferayPortletRequest liferayPortletRequest,
202                            LiferayPortletResponse liferayPortletResponse)
203                    throws Exception {
204    
205                    PortletURL portletURL = liferayPortletResponse.createLiferayPortletURL(
206                            getControlPanelPlid(liferayPortletRequest), PortletKeys.WIKI,
207                            PortletRequest.RENDER_PHASE);
208    
209                    WikiPage previousVersionPage =
210                            WikiPageLocalServiceUtil.getPreviousVersionPage(_page);
211    
212                    if (previousVersionPage.getVersion() == _page.getVersion()) {
213                            return null;
214                    }
215    
216                    portletURL.setParameter("struts_action", "/wiki/compare_versions");
217                    portletURL.setParameter("groupId", String.valueOf(_page.getGroupId()));
218                    portletURL.setParameter("nodeId", String.valueOf(_page.getNodeId()));
219                    portletURL.setParameter("title", _page.getTitle());
220                    portletURL.setParameter(
221                            "sourceVersion", String.valueOf(previousVersionPage.getVersion()));
222                    portletURL.setParameter(
223                            "targetVersion", String.valueOf(_page.getVersion()));
224    
225                    return portletURL;
226            }
227    
228            @Override
229            public String getURLViewInContext(
230                    LiferayPortletRequest liferayPortletRequest,
231                    LiferayPortletResponse liferayPortletResponse,
232                    String noSuchEntryRedirect) {
233    
234                    return getURLViewInContext(
235                            liferayPortletRequest, noSuchEntryRedirect, "/wiki/find_page",
236                            "pageResourcePrimKey", _page.getResourcePrimKey());
237            }
238    
239            @Override
240            public long getUserId() {
241                    return _page.getUserId();
242            }
243    
244            @Override
245            public String getUserName() {
246                    return _page.getUserName();
247            }
248    
249            @Override
250            public String getUuid() {
251                    return _page.getUuid();
252            }
253    
254            public boolean hasDeletePermission(PermissionChecker permissionChecker) {
255                    return WikiPagePermission.contains(
256                            permissionChecker, _page, ActionKeys.DELETE);
257            }
258    
259            @Override
260            public boolean hasEditPermission(PermissionChecker permissionChecker) {
261                    return WikiPagePermission.contains(
262                            permissionChecker, _page, ActionKeys.UPDATE);
263            }
264    
265            @Override
266            public boolean hasViewPermission(PermissionChecker permissionChecker) {
267                    return WikiPagePermission.contains(
268                            permissionChecker, _page, ActionKeys.VIEW);
269            }
270    
271            @Override
272            public boolean isConvertible() {
273                    return true;
274            }
275    
276            @Override
277            public boolean isPrintable() {
278                    return true;
279            }
280    
281            @Override
282            public String render(
283                            RenderRequest renderRequest, RenderResponse renderResponse,
284                            String template)
285                    throws Exception {
286    
287                    if (template.equals(TEMPLATE_ABSTRACT) ||
288                            template.equals(TEMPLATE_FULL_CONTENT)) {
289    
290                            renderRequest.setAttribute(WebKeys.WIKI_PAGE, _page);
291    
292                            return "/html/portlet/wiki/asset/" + template + ".jsp";
293                    }
294                    else {
295                            return null;
296                    }
297            }
298    
299            @Override
300            protected String getIconPath(ThemeDisplay themeDisplay) {
301                    return themeDisplay.getPathThemeImages() + "/common/page.png";
302            }
303    
304            private final WikiPage _page;
305    
306    }