/*******************************************************************************
* <copyright>
*
* Copyright (c) 2005, 2010 SAP AG.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* SAP AG - initial API, implementation and documentation
*
* </copyright>
*
*******************************************************************************/
package org.activiti.designer.property;
import org.activiti.designer.util.eclipse.ActivitiUiUtil;
import org.activiti.designer.util.property.ActivitiPropertySection;
import org.eclipse.bpmn2.Activity;
import org.eclipse.bpmn2.Bpmn2Factory;
import org.eclipse.bpmn2.MultiInstanceLoopCharacteristics;
import org.eclipse.emf.transaction.TransactionalEditingDomain;
import org.eclipse.graphiti.mm.pictograms.PictogramElement;
import org.eclipse.graphiti.services.Graphiti;
import org.eclipse.graphiti.ui.editor.DiagramEditor;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.CLabel;
import org.eclipse.swt.events.FocusEvent;
import org.eclipse.swt.events.FocusListener;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.layout.FormAttachment;
import org.eclipse.swt.layout.FormData;
import org.eclipse.swt.layout.RowLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Text;
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 PropertyMultiInstanceSection extends ActivitiPropertySection implements ITabbedPropertyConstants {
private Button yesButton;
private Button noButton;
private Text loopCardinaltyText;
private Text collectionText;
private Text elementVariableText;
private Text completionConditionText;
@Override
public void createControls(Composite parent, TabbedPropertySheetPage tabbedPropertySheetPage) {
super.createControls(parent, tabbedPropertySheetPage);
TabbedPropertySheetWidgetFactory factory = getWidgetFactory();
Composite composite = factory.createFlatFormComposite(parent);
Composite radioTypeComposite = new Composite(composite, SWT.NULL);
radioTypeComposite.setBackground(composite.getBackground());
FormData data = new FormData();
data.left = new FormAttachment(0, 160);
data.right = new FormAttachment(100, 0);
radioTypeComposite.setLayoutData(data);
radioTypeComposite.setLayout(new RowLayout());
yesButton = new Button(radioTypeComposite, SWT.RADIO);
yesButton.setText("Yes");
yesButton.addSelectionListener(new SelectionListener() {
@Override
public void widgetSelected(SelectionEvent event) {
saveSequential(true);
}
@Override
public void widgetDefaultSelected(SelectionEvent event) {
//
}
});
noButton = new Button(radioTypeComposite, SWT.RADIO);
noButton.setText("No");
noButton.setSelection(true);
noButton.addSelectionListener(new SelectionListener() {
@Override
public void widgetSelected(SelectionEvent event) {
saveSequential(false);
}
@Override
public void widgetDefaultSelected(SelectionEvent event) {
//
}
});
createLabel("Sequential", composite, factory, radioTypeComposite);
loopCardinaltyText = createText(composite, factory, radioTypeComposite);
createLabel("Loop cardinality", composite, factory, loopCardinaltyText);
collectionText = createText(composite, factory, loopCardinaltyText);
createLabel("Collection", composite, factory, collectionText);
elementVariableText = createText(composite, factory, collectionText);
createLabel("Element variable", composite, factory, elementVariableText);
completionConditionText = createText(composite, factory, elementVariableText);
createLabel("Completion condition", composite, factory, completionConditionText);
}
@Override
public void refresh() {
PictogramElement pe = getSelectedPictogramElement();
if (pe == null) return;
Object bo = Graphiti.getLinkService().getBusinessObjectForLinkedPictogramElement(pe);
if (bo == null || bo instanceof Activity == false)
return;
Activity activity = (Activity) bo;
if(activity.getLoopCharacteristics() == null) return;
MultiInstanceLoopCharacteristics multiInstanceDef = (MultiInstanceLoopCharacteristics) activity.getLoopCharacteristics();
loopCardinaltyText.removeFocusListener(listener);
collectionText.removeFocusListener(listener);
elementVariableText.removeFocusListener(listener);
completionConditionText.removeFocusListener(listener);
if(multiInstanceDef.isIsSequential() == true && yesButton.getSelection() == false) {
yesButton.setSelection(true);
noButton.setSelection(false);
}
if(multiInstanceDef.isIsSequential() == false && yesButton.getSelection() == true) {
yesButton.setSelection(false);
noButton.setSelection(true);
}
if(multiInstanceDef.getLoopCardinality() != null) {
loopCardinaltyText.setText(multiInstanceDef.getLoopCardinality());
}
if(multiInstanceDef.getInputDataItem() != null) {
collectionText.setText(multiInstanceDef.getInputDataItem());
}
if(multiInstanceDef.getElementVariable() != null) {
elementVariableText.setText(multiInstanceDef.getElementVariable());
}
if(multiInstanceDef.getCompletionCondition() != null) {
completionConditionText.setText(multiInstanceDef.getCompletionCondition());
}
loopCardinaltyText.addFocusListener(listener);
collectionText.addFocusListener(listener);
elementVariableText.addFocusListener(listener);
completionConditionText.addFocusListener(listener);
}
private void saveSequential(final boolean sequential) {
PictogramElement pe = getSelectedPictogramElement();
if (pe == null) return;
Object bo = Graphiti.getLinkService().getBusinessObjectForLinkedPictogramElement(pe);
if (bo instanceof Activity == false) return;
final Activity activity = (Activity) bo;
DiagramEditor diagramEditor = (DiagramEditor) getDiagramEditor();
TransactionalEditingDomain editingDomain = diagramEditor.getEditingDomain();
ActivitiUiUtil.runModelChange(new Runnable() {
public void run() {
Object bo = Graphiti.getLinkService().getBusinessObjectForLinkedPictogramElement(getSelectedPictogramElement());
if (bo == null) {
return;
}
getMultiInstanceDef(activity).setIsSequential(sequential);
}
}, editingDomain, "Model Update");
}
private FocusListener listener = new FocusListener() {
public void focusGained(final FocusEvent e) {
}
public void focusLost(final FocusEvent e) {
PictogramElement pe = getSelectedPictogramElement();
if (pe == null) return;
Object bo = Graphiti.getLinkService().getBusinessObjectForLinkedPictogramElement(pe);
if (bo instanceof Activity == false) return;
final Activity activity = (Activity) bo;
DiagramEditor diagramEditor = (DiagramEditor) getDiagramEditor();
TransactionalEditingDomain editingDomain = diagramEditor.getEditingDomain();
ActivitiUiUtil.runModelChange(new Runnable() {
public void run() {
if (loopCardinaltyText.getText() != null) {
getMultiInstanceDef(activity).setLoopCardinality(loopCardinaltyText.getText());
}
if (collectionText.getText() != null) {
getMultiInstanceDef(activity).setInputDataItem(collectionText.getText());
}
if (elementVariableText.getText() != null) {
getMultiInstanceDef(activity).setElementVariable(elementVariableText.getText());
}
if (completionConditionText.getText() != null) {
getMultiInstanceDef(activity).setCompletionCondition(completionConditionText.getText());
}
}
}, editingDomain, "Model Update");
}
};
private MultiInstanceLoopCharacteristics getMultiInstanceDef(Activity activity) {
if(activity.getLoopCharacteristics() == null) {
activity.setLoopCharacteristics(Bpmn2Factory.eINSTANCE.createMultiInstanceLoopCharacteristics());
}
return (MultiInstanceLoopCharacteristics) activity.getLoopCharacteristics();
}
private Text createText(Composite parent, TabbedPropertySheetWidgetFactory factory, Control top) {
Text text = factory.createText(parent, ""); //$NON-NLS-1$
FormData data = new FormData();
data.left = new FormAttachment(0, 160);
data.right = new FormAttachment(100, -HSPACE);
if(top == null) {
data.top = new FormAttachment(0, VSPACE);
} else {
data.top = new FormAttachment(top, VSPACE);
}
text.setLayoutData(data);
text.addFocusListener(listener);
return text;
}
private CLabel createLabel(String text, Composite parent, TabbedPropertySheetWidgetFactory factory, Control control) {
CLabel label = factory.createCLabel(parent, text);
FormData data = new FormData();
data.left = new FormAttachment(0, 0);
data.right = new FormAttachment(control, -HSPACE);
data.top = new FormAttachment(control, 0, SWT.CENTER);
label.setLayoutData(data);
return label;
}
}