/* 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.editor.ui;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.UnsupportedEncodingException;
import org.activiti.bpmn.converter.BpmnXMLConverter;
import org.activiti.bpmn.model.BpmnModel;
import org.activiti.editor.language.json.converter.BpmnJsonConverter;
import org.activiti.engine.ProcessEngines;
import org.activiti.engine.RepositoryService;
import org.activiti.engine.repository.Deployment;
import org.activiti.engine.repository.Model;
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.reporting.ReportingUtil;
import org.activiti.explorer.ui.Images;
import org.activiti.explorer.ui.custom.DetailPanel;
import org.activiti.explorer.ui.form.FormPropertiesForm;
import org.activiti.explorer.ui.mainlayout.ExplorerLayout;
import org.activiti.explorer.ui.process.listener.EditModelClickListener;
import org.activiti.explorer.ui.process.listener.ImportModelClickListener;
import org.activiti.explorer.ui.process.listener.NewModelClickListener;
import org.activiti.explorer.ui.process.simple.editor.SimpleTableEditorConstants;
import org.activiti.workflow.simple.converter.WorkflowDefinitionConversion;
import org.activiti.workflow.simple.definition.WorkflowDefinition;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.node.ObjectNode;
import com.vaadin.data.Property.ValueChangeEvent;
import com.vaadin.data.Property.ValueChangeListener;
import com.vaadin.terminal.DownloadStream;
import com.vaadin.terminal.FileResource;
import com.vaadin.ui.AbstractSelect.Filtering;
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.ComponentContainer;
import com.vaadin.ui.Embedded;
import com.vaadin.ui.GridLayout;
import com.vaadin.ui.HorizontalLayout;
import com.vaadin.ui.Label;
import com.vaadin.ui.Select;
import com.vaadin.ui.VerticalLayout;
import com.vaadin.ui.themes.Reindeer;
/**
* Panel showing model detail.
*
* @author Tijs Rademakers
*/
public class EditorProcessDefinitionDetailPanel extends DetailPanel {
private static final long serialVersionUID = 1L;
protected static final Logger LOGGER = LoggerFactory.getLogger(EditorProcessDefinitionDetailPanel.class);
// Members
protected Model modelData;
protected EditorProcessDefinitionPage processDefinitionPage;
// Services
protected I18nManager i18nManager;
// UI
protected VerticalLayout detailPanelLayout;
protected HorizontalLayout detailContainer;
protected HorizontalLayout actionsContainer;
protected Label nameLabel;
protected Button newModelButton;
protected Button importModelButton;
protected Button editModelButton;
protected Label actionLabel;
protected Select actionSelect;
protected FormPropertiesForm processDefinitionStartForm;
protected EditorProcessDefinitionInfoComponent definitionInfoComponent;
protected transient RepositoryService repositoryService = ProcessEngines.getDefaultProcessEngine().getRepositoryService();
public EditorProcessDefinitionDetailPanel(String modelId, EditorProcessDefinitionPage processDefinitionPage) {
this.i18nManager = ExplorerApp.get().getI18nManager();
this.processDefinitionPage = processDefinitionPage;
this.modelData = repositoryService.getModel(modelId);
initUi();
}
protected void initUi() {
setSizeFull();
addStyleName(Reindeer.LAYOUT_WHITE);
detailPanelLayout = new VerticalLayout();
detailPanelLayout.setWidth(100, UNITS_PERCENTAGE);
detailPanelLayout.setMargin(true);
detailPanelLayout.setSpacing(true);
setDetailContainer(detailPanelLayout);
// All details about the process definition
initHeader();
detailContainer = new HorizontalLayout();
detailContainer.addStyleName(Reindeer.PANEL_LIGHT);
detailPanelLayout.addComponent(detailContainer);
detailContainer.setSizeFull();
initActions();
initProcessDefinitionInfo();
}
protected void initActions() {
newModelButton = new Button(i18nManager.getMessage(Messages.PROCESS_NEW));
newModelButton.addListener(new NewModelClickListener());
importModelButton = new Button(i18nManager.getMessage(Messages.PROCESS_IMPORT));
importModelButton.addListener(new ImportModelClickListener());
editModelButton = new Button(i18nManager.getMessage(Messages.PROCESS_EDIT));
editModelButton.addListener(new EditModelClickListener(modelData));
actionLabel = new Label(i18nManager.getMessage(Messages.MODEL_ACTION));
actionLabel.setSizeUndefined();
actionSelect = new Select();
actionSelect.addItem(i18nManager.getMessage(Messages.PROCESS_COPY));
actionSelect.addItem(i18nManager.getMessage(Messages.PROCESS_DELETE));
actionSelect.addItem(i18nManager.getMessage(Messages.PROCESS_DEPLOY));
actionSelect.addItem(i18nManager.getMessage(Messages.PROCESS_EXPORT));
actionSelect.setWidth("100px");
actionSelect.setFilteringMode(Filtering.FILTERINGMODE_OFF);
actionSelect.setImmediate(true);
actionSelect.addListener(new ValueChangeListener() {
private static final long serialVersionUID = 1L;
@Override
public void valueChange(ValueChangeEvent event) {
if (i18nManager.getMessage(Messages.PROCESS_COPY).equals(event.getProperty().getValue())) {
ExplorerApp.get().getViewManager().showPopupWindow(new CopyModelPopupWindow(modelData));
} else if (i18nManager.getMessage(Messages.PROCESS_DELETE).equals(event.getProperty().getValue())) {
ExplorerApp.get().getViewManager().showPopupWindow(new DeleteModelPopupWindow(modelData));
} else if (i18nManager.getMessage(Messages.PROCESS_DEPLOY).equals(event.getProperty().getValue())) {
deployModel();
} else if (i18nManager.getMessage(Messages.PROCESS_EXPORT).equals(event.getProperty().getValue())) {
exportModel();
}
}
});
// Clear toolbar and add 'start' button
processDefinitionPage.getToolBar().removeAllButtons();
processDefinitionPage.getToolBar().removeAllAdditionalComponents();
processDefinitionPage.getToolBar().addButton(newModelButton);
processDefinitionPage.getToolBar().addButton(importModelButton);
processDefinitionPage.getToolBar().addButton(editModelButton);
processDefinitionPage.getToolBar().addAdditionalComponent(actionLabel);
processDefinitionPage.getToolBar().setComponentAlignment(actionLabel, Alignment.MIDDLE_LEFT);
processDefinitionPage.getToolBar().addAdditionalComponent(actionSelect);
processDefinitionPage.getToolBar().setComponentAlignment(actionSelect, Alignment.MIDDLE_RIGHT);
}
public void initProcessDefinitionInfo() {
if(definitionInfoComponent == null) {
definitionInfoComponent = new EditorProcessDefinitionInfoComponent(modelData);
}
detailContainer.removeAllComponents();
detailContainer.addComponent(definitionInfoComponent);
}
protected void initHeader() {
GridLayout details = new GridLayout(2, 2);
details.setWidth(100, UNITS_PERCENTAGE);
details.addStyleName(ExplorerLayout.STYLE_TITLE_BLOCK);
details.setSpacing(true);
details.setMargin(false, false, true, false);
details.setColumnExpandRatio(1, 1.0f);
detailPanelLayout.addComponent(details);
// Image
Embedded image = new Embedded(null, Images.PROCESS_50);
details.addComponent(image, 0, 0, 0, 1);
// Name
Label nameLabel = new Label(modelData.getName());
nameLabel.addStyleName(Reindeer.LABEL_H2);
details.addComponent(nameLabel, 1, 0);
// Properties
HorizontalLayout propertiesLayout = new HorizontalLayout();
propertiesLayout.setSpacing(true);
details.addComponent(propertiesLayout);
// Version
String versionString = i18nManager.getMessage(Messages.PROCESS_VERSION, modelData.getVersion());
Label versionLabel = new Label(versionString);
versionLabel.addStyleName(ExplorerLayout.STYLE_PROCESS_HEADER_VERSION);
propertiesLayout.addComponent(versionLabel);
}
protected void addEmptySpace(ComponentContainer container) {
Label emptySpace = new Label(" ", Label.CONTENT_XHTML);
emptySpace.setSizeUndefined();
container.addComponent(emptySpace);
}
protected void exportModel() {
final FileResource stream = new FileResource(new File(""), ExplorerApp.get()) {
private static final long serialVersionUID = 1L;
@Override
public DownloadStream getStream() {
DownloadStream ds = null;
try {
byte[] bpmnBytes = null;
String filename = null;
if (SimpleTableEditorConstants.TABLE_EDITOR_CATEGORY.equals(modelData.getCategory())) {
WorkflowDefinition workflowDefinition = ExplorerApp.get().getSimpleWorkflowJsonConverter()
.readWorkflowDefinition(repositoryService.getModelEditorSource(modelData.getId()));
filename = workflowDefinition.getName();
WorkflowDefinitionConversion conversion =
ExplorerApp.get().getWorkflowDefinitionConversionFactory().createWorkflowDefinitionConversion(workflowDefinition);
bpmnBytes = conversion.getBpmn20Xml().getBytes("utf-8");
} else {
JsonNode editorNode = new ObjectMapper().readTree(repositoryService.getModelEditorSource(modelData.getId()));
BpmnJsonConverter jsonConverter = new BpmnJsonConverter();
BpmnModel model = jsonConverter.convertToBpmnModel(editorNode);
filename = model.getMainProcess().getId() + ".bpmn20.xml";
bpmnBytes = new BpmnXMLConverter().convertToXML(model);
}
ByteArrayInputStream in = new ByteArrayInputStream(bpmnBytes);
ds = new DownloadStream(in, "application/xml", filename);
// Need a file download POPUP
ds.setParameter("Content-Disposition", "attachment; filename=" + filename);
} catch(Exception e) {
LOGGER.error("failed to export model to BPMN XML", e);
ExplorerApp.get().getNotificationManager().showErrorNotification(Messages.PROCESS_TOXML_FAILED, e);
}
return ds;
}
};
stream.setCacheTime(0);
ExplorerApp.get().getMainWindow().open(stream);
}
protected void deployModel() {
try {
if (SimpleTableEditorConstants.TABLE_EDITOR_CATEGORY.equals(modelData.getCategory())) {
deploySimpleTableEditorModel(repositoryService.getModelEditorSource(modelData.getId()));
} else {
final ObjectNode modelNode = (ObjectNode) new ObjectMapper().readTree(repositoryService.getModelEditorSource(modelData.getId()));
deployModelerModel(modelNode);
}
} catch (Exception e) {
LOGGER.error("Failed to deploy model", e);
ExplorerApp.get().getNotificationManager().showErrorNotification(Messages.PROCESS_TOXML_FAILED, e);
}
}
protected void deploySimpleTableEditorModel(final byte[] model) {
final DeployModelPopupWindow deployModelPopupWindow = new DeployModelPopupWindow(modelData);
deployModelPopupWindow.getDeployButton().addListener(new ClickListener() {
private static final long serialVersionUID = 1L;
public void buttonClick(ClickEvent event) {
// Convert to simple workflow definition
WorkflowDefinition workflowDefinition = ExplorerApp.get().getSimpleWorkflowJsonConverter()
.readWorkflowDefinition(model);
// Update model name
modelData.setName(deployModelPopupWindow.getProcessName());
workflowDefinition.setName(deployModelPopupWindow.getProcessName());
WorkflowDefinitionConversion conversion =
ExplorerApp.get().getWorkflowDefinitionConversionFactory().createWorkflowDefinitionConversion(workflowDefinition);
conversion.convert();
// Deploy to database
byte[] bpmnBytes = null;
try {
bpmnBytes = conversion.getBpmn20Xml().getBytes("utf-8");
String processName = modelData.getName() + ".bpmn20.xml";
Deployment deployment = repositoryService.createDeployment()
.name(modelData.getName())
.addString(processName, new String(bpmnBytes))
.deploy();
// Generate reports
if (deployModelPopupWindow.isGenerateReports()) {
ProcessDefinition processDefinition = repositoryService.createProcessDefinitionQuery()
.deploymentId(deployment.getId()).singleResult();
ReportingUtil.generateTaskDurationReport(processDefinition.getId());
}
// Close popup and show new deployment
deployModelPopupWindow.closePopupWindow();
ExplorerApp.get().getViewManager().showDeploymentPage(deployment.getId());
} catch (UnsupportedEncodingException e) {
ExplorerApp.get().getNotificationManager().showErrorNotification(Messages.PROCESS_TOXML_FAILED, e);
deployModelPopupWindow.closePopupWindow();
}
}
});
deployModelPopupWindow.showPopupWindow();
}
protected void deployModelerModel(final ObjectNode modelNode) {
BpmnModel model = new BpmnJsonConverter().convertToBpmnModel(modelNode);
byte[] bpmnBytes = new BpmnXMLConverter().convertToXML(model);
String processName = modelData.getName() + ".bpmn20.xml";
Deployment deployment = repositoryService.createDeployment()
.name(modelData.getName())
.addString(processName, new String(bpmnBytes))
.deploy();
ExplorerApp.get().getViewManager().showDeploymentPage(deployment.getId());
}
}