package org.activiti.explorer.ui.process.listener;
import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;
import org.activiti.editor.language.json.converter.BpmnJsonConverter;
import org.activiti.editor.ui.SelectEditorComponent;
import org.activiti.editor.ui.SelectEditorComponent.EditorSelectedListener;
import org.activiti.engine.ProcessEngines;
import org.activiti.engine.RepositoryService;
import org.activiti.engine.repository.Model;
import org.activiti.explorer.ExplorerApp;
import org.activiti.explorer.Messages;
import org.activiti.explorer.NotificationManager;
import org.activiti.explorer.ui.custom.PopupWindow;
import org.activiti.explorer.ui.mainlayout.ExplorerLayout;
import org.activiti.explorer.ui.process.simple.editor.SimpleTableEditorConstants;
import org.activiti.workflow.simple.converter.WorkflowDefinitionConversion;
import org.activiti.workflow.simple.definition.WorkflowDefinition;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.node.ObjectNode;
import com.vaadin.terminal.ExternalResource;
import com.vaadin.ui.Button.ClickEvent;
import com.vaadin.ui.Button.ClickListener;
import com.vaadin.ui.themes.Reindeer;
/**
* @author Tijs Rademakers
* @author Joram Barrez
*/
public class EditModelClickListener implements ClickListener {
private static final long serialVersionUID = 1L;
protected Model model;
protected NotificationManager notificationManager;
public EditModelClickListener(Model model) {
this.notificationManager = ExplorerApp.get().getNotificationManager();
this.model = model;
}
public void buttonClick(ClickEvent event) {
if (SimpleTableEditorConstants.TABLE_EDITOR_CATEGORY.equals(model.getCategory())) {
showSelectEditorPopupWindow();
} else {
try {
showModeler();
} catch (MalformedURLException e) {
e.printStackTrace();
ExplorerApp.get().getNotificationManager().showErrorNotification(Messages.PROCESS_EDITOR_LOADING_ERROR, e);
}
}
}
protected WorkflowDefinition loadWorkflowDefinition() throws JsonProcessingException, IOException {
RepositoryService repositoryService = ProcessEngines.getDefaultProcessEngine().getRepositoryService();
return ExplorerApp.get().getSimpleWorkflowJsonConverter().readWorkflowDefinition(repositoryService.getModelEditorSource(model.getId()));
}
protected void showSelectEditorPopupWindow() {
final PopupWindow selectEditorPopupWindow = new PopupWindow();
selectEditorPopupWindow.setModal(true);
selectEditorPopupWindow.setResizable(false);
selectEditorPopupWindow.setWidth("350px");
selectEditorPopupWindow.setHeight("250px");
selectEditorPopupWindow.addStyleName(Reindeer.PANEL_LIGHT);
selectEditorPopupWindow.center();
final SelectEditorComponent selectEditorComponent = new SelectEditorComponent(false);
selectEditorComponent.getModelerDescriptionLabel().setValue(
ExplorerApp.get().getI18nManager().getMessage(Messages.PROCESS_EDITOR_CONVERSION_WARNING_MODELER));
selectEditorComponent.getModelerDescriptionLabel().addStyleName(ExplorerLayout.STYLE_LABEL_RED);
selectEditorComponent.preferTableDrivenEditor();
selectEditorPopupWindow.getContent().addComponent(selectEditorComponent);
selectEditorComponent.setEditorSelectedListener(new EditorSelectedListener() {
public void editorSelectionChanged() {
try {
WorkflowDefinition workflowDefinition = loadWorkflowDefinition();
// When using the modeler, the format must first be converted to the modeler json format
if (selectEditorComponent.isModelerPreferred()) {
WorkflowDefinitionConversion conversion = ExplorerApp.get()
.getWorkflowDefinitionConversionFactory().createWorkflowDefinitionConversion(workflowDefinition);
conversion.convert();
RepositoryService repositoryService = ProcessEngines.getDefaultProcessEngine().getRepositoryService();
model.setCategory(null);
ObjectMapper objectMapper = new ObjectMapper();
ObjectNode metaInfoJson = objectMapper.createObjectNode();
metaInfoJson.put("name", model.getName());
model.setMetaInfo(metaInfoJson.toString());
repositoryService.saveModel(model);
BpmnJsonConverter bpmnJsonConverter = new BpmnJsonConverter();
ObjectNode json = bpmnJsonConverter.convertToJson(conversion.getBpmnModel());
repositoryService.addModelEditorSource(model.getId(), json.toString().getBytes("utf-8"));
// Show modeler
showModeler();
} else {
// Load and show table editor
ExplorerApp.get().getViewManager().showSimpleTableProcessEditor(model.getId(), workflowDefinition);
}
} catch (Exception e) {
e.printStackTrace();
ExplorerApp.get().getNotificationManager().showErrorNotification(Messages.PROCESS_EDITOR_LOADING_ERROR, e);
} finally {
ExplorerApp.get().getMainWindow().removeWindow(selectEditorPopupWindow);
}
}
});
ExplorerApp.get().getViewManager().showPopupWindow(selectEditorPopupWindow);
}
protected void showModeler() throws MalformedURLException {
URL explorerURL = ExplorerApp.get().getURL();
URL url = new URL(explorerURL.getProtocol(), explorerURL.getHost(), explorerURL.getPort(),
explorerURL.getPath().replace("/ui", "") + "service/editor?id=" + model.getId());
ExplorerApp.get().getMainWindow().open(new ExternalResource(url));
}
}