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.management.processdefinition; import java.util.List; import org.activiti.engine.ProcessEngines; import org.activiti.engine.impl.jobexecutor.TimerSuspendProcessDefinitionHandler; import org.activiti.engine.impl.persistence.entity.JobEntity; import org.activiti.engine.runtime.Job; import org.activiti.explorer.ExplorerApp; import org.activiti.explorer.Messages; import org.activiti.explorer.ui.AbstractPage; import org.activiti.explorer.ui.process.AbstractProcessDefinitionDetailPanel; import com.vaadin.ui.Button; import com.vaadin.ui.Button.ClickEvent; import com.vaadin.ui.Button.ClickListener; /** * @author Joram Barrez */ public class ActiveProcessDefinitionDetailPanel extends AbstractProcessDefinitionDetailPanel { private static final long serialVersionUID = 1L; public ActiveProcessDefinitionDetailPanel(String processDefinitionId, ActiveProcessDefinitionPage activeProcessDefinitionPage) { super(processDefinitionId, activeProcessDefinitionPage); } protected void initActions(final AbstractPage parentPage) { ActiveProcessDefinitionPage processDefinitionPage = (ActiveProcessDefinitionPage) parentPage; Button suspendButton = new Button(i18nManager.getMessage(Messages.PROCESS_SUSPEND)); suspendButton.addListener(new ClickListener() { private static final long serialVersionUID = 1L; public void buttonClick(ClickEvent event) { ChangeProcessSuspensionStatePopupWindow popupWindow = new ChangeProcessSuspensionStatePopupWindow( processDefinition.getId(), parentPage, true); ExplorerApp.get().getViewManager().showPopupWindow(popupWindow); } }); // Check if button must be disabled boolean suspendJobPending = false; List<Job> jobs = ProcessEngines.getDefaultProcessEngine().getManagementService().createJobQuery() .processDefinitionId(processDefinition.getId()).list(); for (Job job : jobs) { // TODO: this is a hack. Needs to be cleaner in engine! if (((JobEntity) job).getJobHandlerType().equals(TimerSuspendProcessDefinitionHandler.TYPE)) { suspendJobPending = true; break; } } suspendButton.setEnabled(!suspendJobPending); // Clear toolbar and add 'start' button processDefinitionPage.getToolBar().removeAllButtons(); processDefinitionPage.getToolBar().addButton(suspendButton); } }