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.Date; import org.activiti.engine.ProcessEngines; import org.activiti.engine.RepositoryService; import org.activiti.explorer.ExplorerApp; import org.activiti.explorer.I18nManager; import org.activiti.explorer.Messages; import org.activiti.explorer.ui.AbstractPage; import org.activiti.explorer.ui.custom.PopupWindow; import org.activiti.explorer.ui.mainlayout.ExplorerLayout; import com.vaadin.data.Property.ValueChangeEvent; import com.vaadin.data.Property.ValueChangeListener; import com.vaadin.ui.Alignment; import com.vaadin.ui.Button; import com.vaadin.ui.Button.ClickEvent; import com.vaadin.ui.Button.ClickListener; import com.vaadin.ui.CheckBox; import com.vaadin.ui.DateField; import com.vaadin.ui.HorizontalLayout; import com.vaadin.ui.Label; import com.vaadin.ui.VerticalLayout; import com.vaadin.ui.themes.Reindeer; /** * @author Joram Barrez */ public class ChangeProcessSuspensionStatePopupWindow extends PopupWindow { private static final long serialVersionUID = 1L; protected I18nManager i18nManager; protected String processDefinitionId; protected AbstractPage parentPage; protected VerticalLayout verticalLayout; protected CheckBox nowCheckBox; protected CheckBox dateCheckBox; protected DateField dateField; protected CheckBox includeProcessInstancesCheckBox; public ChangeProcessSuspensionStatePopupWindow(String processDefinitionId, AbstractPage parentPage, boolean suspend) { this.processDefinitionId = processDefinitionId; this.parentPage = parentPage; this.i18nManager = ExplorerApp.get().getI18nManager(); setCaption(suspend ? i18nManager.getMessage(Messages.PROCESS_SUSPEND_POPUP) : i18nManager.getMessage(Messages.PROCESS_ACTIVATE_POPUP)); setModal(true); center(); setResizable(false); setWidth(400, UNITS_PIXELS); setHeight(300, UNITS_PIXELS); addStyleName(Reindeer.WINDOW_LIGHT); verticalLayout = new VerticalLayout(); addComponent(verticalLayout); addTimeSection(suspend); addIncludeProcessInstancesSection(suspend); addOkButton(suspend); } protected void addTimeSection(boolean suspend) { Label timeLabel = new Label( suspend ? i18nManager.getMessage(Messages.PROCESS_SUSPEND_POPUP_TIME_DESCRIPTION) : i18nManager.getMessage(Messages.PROCESS_ACTIVATE_POPUP_TIME_DESCRIPTION)); verticalLayout.addComponent(timeLabel); verticalLayout.addComponent(new Label(" ", Label.CONTENT_XHTML)); nowCheckBox = new CheckBox(i18nManager.getMessage(Messages.PROCESS_SUSPEND_POPUP_TIME_NOW), true); nowCheckBox.addStyleName(ExplorerLayout.STYLE_PROCESS_DEFINITION_SUSPEND_CHOICE); nowCheckBox.setImmediate(true); nowCheckBox.addListener(new ClickListener() { public void buttonClick(ClickEvent event) { if (nowCheckBox.booleanValue() == true) { dateField.setValue(null); dateCheckBox.setValue(false); } else { dateCheckBox.setValue(true); dateField.setValue(new Date()); } } }); verticalLayout.addComponent(nowCheckBox); HorizontalLayout dateLayout = new HorizontalLayout(); verticalLayout.addComponent(dateLayout); dateCheckBox = new CheckBox(i18nManager.getMessage(Messages.PROCESS_SUSPEND_POPUP_TIME_DATE)); dateCheckBox.addStyleName(ExplorerLayout.STYLE_PROCESS_DEFINITION_SUSPEND_CHOICE); dateCheckBox.setImmediate(true); dateCheckBox.addListener(new ClickListener() { public void buttonClick(ClickEvent event) { if (dateCheckBox.booleanValue() == true) { dateField.setValue(new Date()); nowCheckBox.setValue(false); } else { dateField.setValue(null); nowCheckBox.setValue(true); } } }); dateLayout.addComponent(dateCheckBox); dateField = new DateField(); dateField.setImmediate(true); dateField.addListener(new ValueChangeListener() { public void valueChange(ValueChangeEvent event) { if (dateField.getValue() != null) { nowCheckBox.setValue(false); dateCheckBox.setValue(true); } } }); dateLayout.addComponent(dateField); } protected void addIncludeProcessInstancesSection(boolean suspend) { verticalLayout.addComponent(new Label(" ", Label.CONTENT_XHTML)); verticalLayout.addComponent(new Label(" ", Label.CONTENT_XHTML)); includeProcessInstancesCheckBox = new CheckBox(suspend ? i18nManager.getMessage(Messages.PROCESS_SUSPEND_POPUP_INCLUDE_PROCESS_INSTANCES_DESCRIPTION) : i18nManager.getMessage(Messages.PROCESS_ACTIVATE_POPUP_INCLUDE_PROCESS_INSTANCES_DESCRIPTION), true); verticalLayout.addComponent(includeProcessInstancesCheckBox); } protected void addOkButton(final boolean suspend) { verticalLayout.addComponent(new Label(" ", Label.CONTENT_XHTML)); verticalLayout.addComponent(new Label(" ", Label.CONTENT_XHTML)); Button okButton = new Button(i18nManager.getMessage(Messages.BUTTON_OK)); verticalLayout.addComponent(okButton); verticalLayout.setComponentAlignment(okButton, Alignment.BOTTOM_CENTER); okButton.addListener(new ClickListener() { private static final long serialVersionUID = 1L; public void buttonClick(ClickEvent event) { RepositoryService repositoryService = ProcessEngines.getDefaultProcessEngine() .getRepositoryService(); boolean includeProcessInstances = (Boolean) includeProcessInstancesCheckBox.getValue(); if (suspend) { repositoryService.suspendProcessDefinitionById(processDefinitionId, includeProcessInstances, (Date) dateField.getValue()); } else { repositoryService.activateProcessDefinitionById(processDefinitionId, includeProcessInstances, (Date) dateField.getValue()); } close(); parentPage.refreshSelectNext(); // select next item in list on the left } }); } }