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.WorkflowInstanceManagerUtil;
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 MyWorkflowInstancesControlPanelEntry
027            extends WorkflowControlPanelEntry {
028    
029            @Override
030            public boolean isVisible(
031                            PermissionChecker permissionChecker, Portlet portlet)
032                    throws Exception {
033    
034                    if (WorkflowInstanceManagerUtil.getWorkflowInstanceCount(
035                                    permissionChecker.getCompanyId(), permissionChecker.getUserId(),
036                                    null, null, Boolean.FALSE) > 0) {
037    
038                            return true;
039                    }
040    
041                    if (WorkflowInstanceManagerUtil.getWorkflowInstanceCount(
042                                    permissionChecker.getCompanyId(), permissionChecker.getUserId(),
043                                    null, null, Boolean.TRUE) > 0) {
044    
045                            return true;
046                    }
047    
048                    return permissionChecker.hasPermission(
049                            0, PortletKeys.MY_WORKFLOW_INSTANCES, 0, ActionKeys.VIEW);
050            }
051    
052    }