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.deployment; import java.io.InputStream; import java.util.Collections; import java.util.List; import org.activiti.engine.ProcessEngines; import org.activiti.engine.RepositoryService; import org.activiti.engine.repository.Deployment; import org.activiti.engine.repository.ProcessDefinition; import org.activiti.explorer.ExplorerApp; import org.activiti.explorer.I18nManager; import org.activiti.explorer.Messages; import org.activiti.explorer.ViewManager; import org.activiti.explorer.ui.Images; import org.activiti.explorer.ui.custom.DetailPanel; import org.activiti.explorer.ui.custom.PrettyTimeLabel; import org.activiti.explorer.ui.mainlayout.ExplorerLayout; import com.vaadin.terminal.StreamResource; import com.vaadin.terminal.StreamResource.StreamSource; import com.vaadin.ui.Button; import com.vaadin.ui.Button.ClickEvent; import com.vaadin.ui.Button.ClickListener; import com.vaadin.ui.Embedded; import com.vaadin.ui.GridLayout; import com.vaadin.ui.Label; import com.vaadin.ui.Link; import com.vaadin.ui.VerticalLayout; import com.vaadin.ui.themes.Reindeer; /** * @author Joram Barrez * @author Frederik Heremans */ public class DeploymentDetailPanel extends DetailPanel { private static final long serialVersionUID = 1L; protected transient RepositoryService repositoryService; protected ViewManager viewManager; protected I18nManager i18nManager; protected Deployment deployment; protected DeploymentPage parent; public DeploymentDetailPanel(String deploymentId, DeploymentPage parent) { this.repositoryService = ProcessEngines.getDefaultProcessEngine().getRepositoryService(); this.i18nManager = ExplorerApp.get().getI18nManager(); this.viewManager = ExplorerApp.get().getViewManager(); this.deployment = repositoryService.createDeploymentQuery().deploymentId(deploymentId).singleResult(); this.parent = parent; init(); } protected void init() { setWidth(100, UNITS_PERCENTAGE); addDeploymentName(); addProcessDefinitionLinks(); addResourceLinks(); addActions(); } protected void addActions() { // Delete button Button deleteButton = new Button(i18nManager.getMessage(Messages.DEPLOYMENT_DELETE)); deleteButton.setIcon(Images.DELETE); deleteButton.addListener(new ClickListener() { public void buttonClick(ClickEvent event) { viewManager.showPopupWindow(new DeleteDeploymentPopupWindow(deployment, parent)); } }); parent.getToolBar().removeAllButtons(); parent.getToolBar().addButton(deleteButton); } protected void addDeploymentName() { GridLayout taskDetails = new GridLayout(3, 2); taskDetails.setWidth(100, UNITS_PERCENTAGE); taskDetails.addStyleName(ExplorerLayout.STYLE_TITLE_BLOCK); taskDetails.setSpacing(true); taskDetails.setMargin(false, false, true, false); // Add image Embedded image = new Embedded(null, Images.DEPLOYMENT_50); taskDetails.addComponent(image, 0, 0, 0, 1); // Add deployment name Label nameLabel = new Label(); if (deployment.getName() != null) { nameLabel.setValue(deployment.getName()); } else { nameLabel.setValue(i18nManager.getMessage(Messages.DEPLOYMENT_NO_NAME)); } nameLabel.addStyleName(Reindeer.LABEL_H2); taskDetails.addComponent(nameLabel, 1, 0, 2, 0); // Add deploy time PrettyTimeLabel deployTimeLabel = new PrettyTimeLabel( i18nManager.getMessage(Messages.DEPLOYMENT_DEPLOY_TIME), deployment.getDeploymentTime(), null, true); deployTimeLabel.addStyleName(ExplorerLayout.STYLE_DEPLOYMENT_HEADER_DEPLOY_TIME); taskDetails.addComponent(deployTimeLabel, 1, 1); taskDetails.setColumnExpandRatio(1, 1.0f); taskDetails.setColumnExpandRatio(2, 1.0f); addDetailComponent(taskDetails); } protected void addProcessDefinitionLinks() { List<ProcessDefinition> processDefinitions = repositoryService.createProcessDefinitionQuery() .deploymentId(deployment.getId()).orderByProcessDefinitionName().asc().list(); if (!processDefinitions.isEmpty()) { // Header Label processDefinitionHeader = new Label( i18nManager.getMessage(Messages.DEPLOYMENT_HEADER_DEFINITIONS)); processDefinitionHeader.addStyleName(ExplorerLayout.STYLE_H3); processDefinitionHeader.addStyleName(ExplorerLayout.STYLE_DETAIL_BLOCK); processDefinitionHeader.setWidth(100, UNITS_PERCENTAGE); addDetailComponent(processDefinitionHeader); // processes VerticalLayout processDefinitionLinksLayout = new VerticalLayout(); processDefinitionLinksLayout.setSpacing(true); processDefinitionLinksLayout.setMargin(true, false, true, false); addDetailComponent(processDefinitionLinksLayout); for (final ProcessDefinition processDefinition : processDefinitions) { Button processDefinitionButton = new Button(getProcessDisplayName(processDefinition)); processDefinitionButton.addListener(new ClickListener() { public void buttonClick(ClickEvent event) { viewManager.showDeployedProcessDefinitionPage(processDefinition.getId()); } }); processDefinitionButton.addStyleName(Reindeer.BUTTON_LINK); processDefinitionLinksLayout.addComponent(processDefinitionButton); } } } protected String getProcessDisplayName(ProcessDefinition processDefinition) { if (processDefinition.getName() != null) { return processDefinition.getName(); } else { return processDefinition.getKey(); } } protected void addResourceLinks() { List<String> resourceNames = repositoryService.getDeploymentResourceNames(deployment.getId()); Collections.sort(resourceNames); // small nr of elements, so we can do it in-memory if (!resourceNames.isEmpty()) { Label resourceHeader = new Label(i18nManager.getMessage(Messages.DEPLOYMENT_HEADER_RESOURCES)); resourceHeader.setWidth("95%"); resourceHeader.addStyleName(ExplorerLayout.STYLE_H3); resourceHeader.addStyleName(ExplorerLayout.STYLE_DETAIL_BLOCK); addDetailComponent(resourceHeader); // resources VerticalLayout resourceLinksLayout = new VerticalLayout(); resourceLinksLayout.setSpacing(true); resourceLinksLayout.setMargin(true, false, false, false); addDetailComponent(resourceLinksLayout); for (final String resourceName : resourceNames) { StreamResource.StreamSource streamSource = new StreamSource() { public InputStream getStream() { return repositoryService.getResourceAsStream(deployment.getId(), resourceName); } }; Link resourceLink = new Link(resourceName, new StreamResource(streamSource, resourceName, ExplorerApp.get())); resourceLinksLayout.addComponent(resourceLink); } } } }