package org.activiti.designer.property;
import java.util.ArrayList;
import java.util.List;
import org.activiti.bpmn.model.IntermediateCatchEvent;
import org.activiti.bpmn.model.Message;
import org.activiti.bpmn.model.MessageEventDefinition;
import org.activiti.designer.util.eclipse.ActivitiUiUtil;
import org.activiti.designer.util.editor.Bpmn2MemoryModel;
import org.activiti.designer.util.editor.ModelHandler;
import org.activiti.designer.util.property.ActivitiPropertySection;
import org.apache.commons.lang.StringUtils;
import org.eclipse.emf.ecore.util.EcoreUtil;
import org.eclipse.emf.transaction.TransactionalEditingDomain;
import org.eclipse.graphiti.mm.pictograms.PictogramElement;
import org.eclipse.graphiti.ui.editor.DiagramEditor;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.CCombo;
import org.eclipse.swt.custom.CLabel;
import org.eclipse.swt.events.FocusEvent;
import org.eclipse.swt.events.FocusListener;
import org.eclipse.swt.layout.FormAttachment;
import org.eclipse.swt.layout.FormData;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.ui.views.properties.tabbed.ITabbedPropertyConstants;
import org.eclipse.ui.views.properties.tabbed.TabbedPropertySheetPage;
import org.eclipse.ui.views.properties.tabbed.TabbedPropertySheetWidgetFactory;
public class PropertyIntermediateCatchMessageSection extends ActivitiPropertySection implements ITabbedPropertyConstants {
private CCombo messageCombo;
@Override
public void createControls(Composite parent, TabbedPropertySheetPage tabbedPropertySheetPage) {
super.createControls(parent, tabbedPropertySheetPage);
TabbedPropertySheetWidgetFactory factory = getWidgetFactory();
Composite composite = factory.createFlatFormComposite(parent);
messageCombo = getWidgetFactory().createCCombo(composite, SWT.NONE);
FormData data = new FormData();
data.left = new FormAttachment(0, 160);
data.right = new FormAttachment(100, -HSPACE);
data.top = new FormAttachment(0, VSPACE);
messageCombo.setLayoutData(data);
messageCombo.addFocusListener(listener);
createLabel(composite, "Message Ref Id", messageCombo, factory); //$NON-NLS-1$
}
@Override
public void refresh() {
messageCombo.removeFocusListener(listener);
PictogramElement pe = getSelectedPictogramElement();
if (pe != null) {
Object bo = getBusinessObject(pe);
if (bo == null)
return;
final Bpmn2MemoryModel model = ModelHandler.getModel(EcoreUtil.getURI(getDiagram()));
if (model == null) {
return;
}
String messageRef = null;
if(bo instanceof IntermediateCatchEvent) {
IntermediateCatchEvent catchEvent = (IntermediateCatchEvent) bo;
if(catchEvent.getEventDefinitions().get(0) != null) {
MessageEventDefinition messageDefinition = (MessageEventDefinition) catchEvent.getEventDefinitions().get(0);
if(StringUtils.isNotEmpty(messageDefinition.getMessageRef())) {
messageRef = messageDefinition.getMessageRef();
}
}
}
String[] items = new String[model.getBpmnModel().getMessages().size() + 1];
items[0] = "";
int counter = 1;
int selectedCounter = 0;
for (Message message : model.getBpmnModel().getMessages()) {
items[counter] = message.getId() + " / " + message.getName();
if(message.getId().equals(messageRef)) {
selectedCounter = counter;
}
counter++;
}
messageCombo.setItems(items);
messageCombo.select(selectedCounter);
}
messageCombo.addFocusListener(listener);
}
private FocusListener listener = new FocusListener() {
public void focusGained(final FocusEvent e) {
}
public void focusLost(final FocusEvent e) {
final Bpmn2MemoryModel model = ModelHandler.getModel(EcoreUtil.getURI(getDiagram()));
if (model == null) {
return;
}
PictogramElement pe = getSelectedPictogramElement();
if (pe != null) {
final Object bo = getBusinessObject(pe);
if (bo instanceof IntermediateCatchEvent) {
DiagramEditor diagramEditor = (DiagramEditor) getDiagramEditor();
TransactionalEditingDomain editingDomain = diagramEditor.getEditingDomain();
ActivitiUiUtil.runModelChange(new Runnable() {
public void run() {
MessageEventDefinition messageDefinition = (MessageEventDefinition) ((IntermediateCatchEvent) bo).getEventDefinitions().get(0);
if(messageCombo.getSelectionIndex() > 0) {
List<Message> messageList = new ArrayList<Message>(model.getBpmnModel().getMessages());
messageDefinition.setMessageRef(messageList.get(messageCombo.getSelectionIndex() - 1).getId());
} else {
messageDefinition.setMessageRef("");
}
}
}, editingDomain, "Model Update");
}
}
}
};
private CLabel createLabel(Composite parent, String text, Control control, TabbedPropertySheetWidgetFactory factory) {
CLabel label = factory.createCLabel(parent, text); //$NON-NLS-1$
FormData data = new FormData();
data.left = new FormAttachment(0, 0);
data.right = new FormAttachment(control, -HSPACE);
data.top = new FormAttachment(control, 0, SWT.TOP);
label.setLayoutData(data);
return label;
}
}