001    /**
002     * Copyright (c) 2000-2012 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.workflow;
016    
017    import com.liferay.portal.kernel.workflow.WorkflowTaskManagerUtil;
018    import com.liferay.portal.model.Portlet;
019    import com.liferay.portal.security.permission.ActionKeys;
020    import com.liferay.portal.security.permission.PermissionChecker;
021    import com.liferay.portal.util.PortletKeys;
022    
023    /**
024     * @author Miguel Pastor
025     */
026    public class MyWorkflowTasksControlPanelEntry
027            extends WorkflowControlPanelEntry {
028    
029            @Override
030            public boolean isVisible(
031                            PermissionChecker permissionChecker, Portlet portlet)
032                    throws Exception {
033    
034                    long companyId = permissionChecker.getCompanyId();
035                    long userId = permissionChecker.getUserId();
036    
037                    if (WorkflowTaskManagerUtil.getWorkflowTaskCountByUser(
038                                    companyId, userId, Boolean.FALSE) > 0) {
039    
040                            return true;
041                    }
042    
043                    if (WorkflowTaskManagerUtil.getWorkflowTaskCountByUser(
044                                    companyId, userId, Boolean.TRUE) > 0) {
045    
046                            return true;
047                    }
048    
049                    if (WorkflowTaskManagerUtil.getWorkflowTaskCountByUserRoles(
050                                    companyId, userId, Boolean.FALSE) > 0) {
051    
052                            return true;
053                    }
054    
055                    if (WorkflowTaskManagerUtil.getWorkflowTaskCountByUserRoles(
056                                    companyId, userId, Boolean.TRUE) > 0) {
057    
058                            return true;
059                    }
060    
061                    return permissionChecker.hasPermission(
062                            0, PortletKeys.MY_WORKFLOW_TASKS, 0, ActionKeys.VIEW);
063            }
064    
065    }