/* 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.InputStream;
import java.io.InputStreamReader;
import javax.xml.stream.XMLInputFactory;
import javax.xml.stream.XMLStreamReader;
import org.activiti.bpmn.converter.BpmnXMLConverter;
import org.activiti.bpmn.model.BpmnModel;
import org.activiti.editor.constants.ModelDataJsonConstants;
import org.activiti.editor.language.json.converter.BpmnJsonConverter;
import org.activiti.engine.ProcessEngines;
import org.activiti.engine.RepositoryService;
import org.activiti.engine.RuntimeService;
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.NotificationManager;
import org.activiti.explorer.ui.custom.PopupWindow;
import org.apache.commons.lang.StringUtils;
import org.codehaus.jackson.map.ObjectMapper;
import org.codehaus.jackson.node.ObjectNode;
import com.vaadin.terminal.ExternalResource;
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.HorizontalLayout;
import com.vaadin.ui.Label;
import com.vaadin.ui.VerticalLayout;
import com.vaadin.ui.themes.Reindeer;
/**
* @author Tijs Rademakers
*/
public class ConvertProcessDefinitionPopupWindow extends PopupWindow implements ModelDataJsonConstants {
private static final long serialVersionUID = 1L;
protected I18nManager i18nManager;
protected NotificationManager notificationManager;
protected RepositoryService repositoryService = ProcessEngines.getDefaultProcessEngine().getRepositoryService();
protected RuntimeService runtimeService = ProcessEngines.getDefaultProcessEngine().getRuntimeService();
protected VerticalLayout windowLayout;
protected ProcessDefinition processDefinition;
public ConvertProcessDefinitionPopupWindow(ProcessDefinition processDefinition) {
this.processDefinition = processDefinition;
this.windowLayout = (VerticalLayout) getContent();
this.i18nManager = ExplorerApp.get().getI18nManager();
this.notificationManager = ExplorerApp.get().getNotificationManager();
initWindow();
addConvertWarning();
addButtons();
}
protected void initWindow() {
windowLayout.setSpacing(true);
addStyleName(Reindeer.WINDOW_LIGHT);
setModal(true);
center();
String name = processDefinition.getName();
if (StringUtils.isEmpty(name)) {
name = processDefinition.getKey();
}
setCaption(i18nManager.getMessage(Messages.PROCESS_CONVERT_POPUP_CAPTION, name));
}
protected void addConvertWarning() {
Label convertLabel = new Label(i18nManager.getMessage(Messages.PROCESS_CONVERT_POPUP_MESSAGE));
convertLabel.addStyleName(Reindeer.LABEL_SMALL);
addComponent(convertLabel);
// Some empty space
Label emptySpace = new Label(" ", Label.CONTENT_XHTML);
addComponent(emptySpace);
}
protected void addButtons() {
// Cancel
Button cancelButton = new Button(i18nManager.getMessage(Messages.BUTTON_CANCEL));
cancelButton.addStyleName(Reindeer.BUTTON_SMALL);
cancelButton.addListener(new ClickListener() {
private static final long serialVersionUID = 1L;
public void buttonClick(ClickEvent event) {
close();
}
});
// Convert
Button convertButton = new Button(i18nManager.getMessage(Messages.PROCESS_CONVERT_POPUP_CONVERT_BUTTON));
convertButton.addStyleName(Reindeer.BUTTON_SMALL);
convertButton.addListener(new ClickListener() {
private static final long serialVersionUID = 1L;
public void buttonClick(ClickEvent event) {
try {
InputStream bpmnStream = repositoryService.getResourceAsStream(processDefinition.getDeploymentId(), processDefinition.getResourceName());
XMLInputFactory xif = XMLInputFactory.newInstance();
InputStreamReader in = new InputStreamReader(bpmnStream, "UTF-8");
XMLStreamReader xtr = xif.createXMLStreamReader(in);
BpmnModel bpmnModel = new BpmnXMLConverter().convertToBpmnModel(xtr);
if (bpmnModel.getMainProcess() == null || bpmnModel.getMainProcess().getId() == null) {
notificationManager.showErrorNotification(Messages.MODEL_IMPORT_FAILED,
i18nManager.getMessage(Messages.MODEL_IMPORT_INVALID_BPMN_EXPLANATION));
} else {
if (bpmnModel.getLocationMap().size() == 0) {
notificationManager.showErrorNotification(Messages.MODEL_IMPORT_INVALID_BPMNDI,
i18nManager.getMessage(Messages.MODEL_IMPORT_INVALID_BPMNDI_EXPLANATION));
} else {
BpmnJsonConverter converter = new BpmnJsonConverter();
ObjectNode modelNode = converter.convertToJson(bpmnModel);
Model modelData = repositoryService.newModel();
ObjectNode modelObjectNode = new ObjectMapper().createObjectNode();
modelObjectNode.put(MODEL_NAME, processDefinition.getName());
modelObjectNode.put(MODEL_REVISION, 1);
modelObjectNode.put(MODEL_DESCRIPTION, processDefinition.getDescription());
modelData.setMetaInfo(modelObjectNode.toString());
repositoryService.saveModel(modelData);
repositoryService.addModelEditorSource(modelData.getId(), modelNode.toString().getBytes("utf-8"));
close();
ExplorerApp.get().getViewManager().showEditorProcessDefinitionPage(modelData.getId());
ExplorerApp.get().getMainWindow().open(new ExternalResource(
ExplorerApp.get().getURL().toString() + "service/editor?id=" + modelData.getId()));
}
}
} catch(Exception e) {
notificationManager.showErrorNotification("error", e);
}
}
});
// Alignment
HorizontalLayout buttonLayout = new HorizontalLayout();
buttonLayout.setSpacing(true);
buttonLayout.addComponent(cancelButton);
buttonLayout.addComponent(convertButton);
addComponent(buttonLayout);
windowLayout.setComponentAlignment(buttonLayout, Alignment.BOTTOM_RIGHT);
}
}