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.portal.comment.display.context;
016    
017    import com.liferay.portal.comment.display.context.util.DiscussionRequestHelper;
018    import com.liferay.portal.comment.display.context.util.DiscussionTaglibHelper;
019    import com.liferay.portal.kernel.comment.Discussion;
020    import com.liferay.portal.kernel.comment.DiscussionComment;
021    import com.liferay.portal.kernel.comment.DiscussionPermission;
022    import com.liferay.portal.kernel.comment.display.context.CommentSectionDisplayContext;
023    import com.liferay.portal.kernel.exception.PortalException;
024    import com.liferay.portal.theme.ThemeDisplay;
025    
026    /**
027     * @author Adolfo P??rez
028     */
029    public class DefaultCommentSectionDisplayContext
030            extends BaseCommentDisplayContext implements CommentSectionDisplayContext {
031    
032            public DefaultCommentSectionDisplayContext(
033                    DiscussionRequestHelper discussionRequestHelper,
034                    DiscussionTaglibHelper discussionTaglibHelper,
035                    DiscussionPermission discussionPermission, Discussion discussion) {
036    
037                    _discussionRequestHelper = discussionRequestHelper;
038                    _discussionTaglibHelper = discussionTaglibHelper;
039                    _discussionPermission = discussionPermission;
040    
041                    if (discussion == null) {
042                            _rootDiscussionComment = null;
043                    }
044                    else {
045                            _rootDiscussionComment = discussion.getRootDiscussionComment();
046                    }
047            }
048    
049            @Override
050            public boolean isControlsVisible() throws PortalException {
051                    if ((_discussionPermission == null) ||
052                            _discussionTaglibHelper.isHideControls()) {
053    
054                            return false;
055                    }
056    
057                    return _discussionPermission.hasAddPermission(
058                            _discussionRequestHelper.getCompanyId(),
059                            _discussionRequestHelper.getScopeGroupId(),
060                            _discussionTaglibHelper.getClassName(),
061                            _discussionTaglibHelper.getClassPK());
062            }
063    
064            @Override
065            public boolean isDiscussionVisible() throws PortalException {
066                    if (_rootDiscussionComment == null) {
067                            return false;
068                    }
069    
070                    if ((_rootDiscussionComment.getThreadCommentsCount() > 1) ||
071                            hasViewPermission()) {
072    
073                            return true;
074                    }
075    
076                    return false;
077            }
078    
079            @Override
080            public boolean isMessageThreadVisible() {
081                    if ((_rootDiscussionComment != null) &&
082                            (_rootDiscussionComment.getThreadCommentsCount() > 1)) {
083    
084                            return true;
085                    }
086    
087                    return false;
088            }
089    
090            @Override
091            protected ThemeDisplay getThemeDisplay() {
092                    return _discussionRequestHelper.getThemeDisplay();
093            }
094    
095            protected boolean hasViewPermission() throws PortalException {
096                    return _discussionPermission.hasViewPermission(
097                            _discussionRequestHelper.getCompanyId(),
098                            _discussionRequestHelper.getScopeGroupId(),
099                            _discussionTaglibHelper.getClassName(),
100                            _discussionTaglibHelper.getClassPK());
101            }
102    
103            private final DiscussionPermission _discussionPermission;
104            private final DiscussionRequestHelper _discussionRequestHelper;
105            private final DiscussionTaglibHelper _discussionTaglibHelper;
106            private final DiscussionComment _rootDiscussionComment;
107    
108    }