Java tutorial
/* Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.activiti.explorer.ui.task; import java.util.List; import org.activiti.engine.IdentityService; import org.activiti.engine.ProcessEngines; import org.activiti.engine.identity.Group; import org.activiti.explorer.ExplorerApp; import org.activiti.explorer.I18nManager; import org.activiti.explorer.Messages; import org.activiti.explorer.ViewManager; import org.activiti.explorer.identity.LoggedInUser; import org.activiti.explorer.ui.Images; import org.activiti.explorer.ui.custom.ToolBar; import org.activiti.explorer.ui.custom.ToolbarEntry; import org.activiti.explorer.ui.custom.ToolbarEntry.ToolbarCommand; import org.activiti.explorer.ui.custom.ToolbarPopupEntry; import org.activiti.explorer.ui.task.data.ArchivedListQuery; import org.activiti.explorer.ui.task.data.InboxListQuery; import org.activiti.explorer.ui.task.data.InvolvedListQuery; import org.activiti.explorer.ui.task.data.QueuedListQuery; import org.activiti.explorer.ui.task.data.TasksListQuery; import com.vaadin.ui.Button; import com.vaadin.ui.Button.ClickEvent; import com.vaadin.ui.Button.ClickListener; /** * The menu bar which is shown when 'Tasks' is selected in the main menu. * * @author Joram Barrez * @author Frederik Heremans */ public class TaskMenuBar extends ToolBar { private static final long serialVersionUID = 1L; public static final String ENTRY_TASKS = "tasks"; public static final String ENTRY_INBOX = "inbox"; public static final String ENTRY_QUEUED = "queued"; public static final String ENTRY_INVOLVED = "involved"; public static final String ENTRY_ARCHIVED = "archived"; protected transient IdentityService identityService; protected ViewManager viewManager; protected I18nManager i18nManager; public TaskMenuBar() { this.identityService = ProcessEngines.getDefaultProcessEngine().getIdentityService(); this.viewManager = ExplorerApp.get().getViewManager(); this.i18nManager = ExplorerApp.get().getI18nManager(); initItems(); initActions(); } protected void initItems() { setWidth("100%"); // TODO: the counts should be done later by eg a Refresher component // Inbox long inboxCount = new InboxListQuery().size(); ToolbarEntry inboxEntry = addToolbarEntry(ENTRY_INBOX, i18nManager.getMessage(Messages.TASK_MENU_INBOX), new ToolbarCommand() { public void toolBarItemSelected() { viewManager.showInboxPage(); } }); inboxEntry.setCount(inboxCount); // Tasks LoggedInUser user = ExplorerApp.get().getLoggedInUser(); long tasksCount = new TasksListQuery().size(); ToolbarEntry tasksEntry = addToolbarEntry(ENTRY_TASKS, i18nManager.getMessage(Messages.TASK_MENU_TASKS), new ToolbarCommand() { public void toolBarItemSelected() { viewManager.showTasksPage(); } }); tasksEntry.setCount(tasksCount); // Queued List<Group> groups = user.getGroups(); ToolbarPopupEntry queuedItem = addPopupEntry(ENTRY_QUEUED, (i18nManager.getMessage(Messages.TASK_MENU_QUEUED))); long queuedCount = 0; for (final Group group : groups) { long groupCount = new QueuedListQuery(group.getId()).size(); queuedItem.addMenuItem(group.getName() + " (" + groupCount + ")", new ToolbarCommand() { public void toolBarItemSelected() { viewManager.showQueuedPage(group.getId()); } }); queuedCount += groupCount; } queuedItem.setCount(queuedCount); // Involved long involvedCount = new InvolvedListQuery().size(); ToolbarEntry involvedEntry = addToolbarEntry(ENTRY_INVOLVED, i18nManager.getMessage(Messages.TASK_MENU_INVOLVED), new ToolbarCommand() { public void toolBarItemSelected() { viewManager.showInvolvedPage(); } }); involvedEntry.setCount(involvedCount); // Archived long archivedCount = new ArchivedListQuery().size(); ToolbarEntry archivedEntry = addToolbarEntry(ENTRY_ARCHIVED, i18nManager.getMessage(Messages.TASK_MENU_ARCHIVED), new ToolbarCommand() { public void toolBarItemSelected() { viewManager.showArchivedPage(); } }); archivedEntry.setCount(archivedCount); } protected void initActions() { Button newCaseButton = new Button(); newCaseButton.setCaption(i18nManager.getMessage(Messages.TASK_NEW)); newCaseButton.setIcon(Images.TASK_16); addButton(newCaseButton); newCaseButton.addListener(new ClickListener() { public void buttonClick(ClickEvent event) { NewCasePopupWindow newTaskPopupWindow = new NewCasePopupWindow(); viewManager.showPopupWindow(newTaskPopupWindow); } }); } }