/*******************************************************************************
* Copyright (c) 2008, 2012 IBM Corporation and others.
* 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:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.bpel.extensionssample.ui.properties;
import org.eclipse.bpel.common.ui.details.IDetailsAreaConstants;
import org.eclipse.bpel.common.ui.flatui.FlatFormAttachment;
import org.eclipse.bpel.common.ui.flatui.FlatFormData;
import org.eclipse.bpel.extensionsample.model.SampleSimpleActivity;
import org.eclipse.bpel.model.Variable;
import org.eclipse.bpel.ui.IBPELUIConstants;
import org.eclipse.bpel.ui.Messages;
import org.eclipse.bpel.ui.commands.SetCommand;
import org.eclipse.bpel.ui.dialogs.VariableSelectorDialog;
import org.eclipse.bpel.ui.properties.BPELPropertySection;
import org.eclipse.bpel.ui.util.BPELUtil;
import org.eclipse.bpel.ui.util.BatchedMultiObjectAdapter;
import org.eclipse.bpel.ui.util.ModelHelper;
import org.eclipse.bpel.ui.util.MultiObjectAdapter;
import org.eclipse.draw2d.FigureUtilities;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.gef.commands.Command;
import org.eclipse.jface.window.Window;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;
/*
* Bug 120110
* This class implements the detail property tab for the "elemental" extension activity.
* This property detail tab allows the user to select a variable in scope for this activity.
*
* Note that validation of this activity is not yet implemented.
*/
public class SampleSimpleActivityPropertySection extends BPELPropertySection {
protected Composite parentComposite;
protected Label variableName;
protected Button variableBrowseButton;
private SampleSimpleActivity getActivity() {
return (SampleSimpleActivity)getInput();
}
@Override
protected MultiObjectAdapter[] createAdapters() {
return new MultiObjectAdapter[] {
/* model object */
new BatchedMultiObjectAdapter() {
@Override
public void notify (Notification n) {
}
@Override
public void finish() {
updateVariableWidgets();
}
}
};
}
public class SetVariableCommand extends SetCommand {
public String getDefaultLabel() { return IBPELUIConstants.CMD_SELECT_VARIABLE; }
public SetVariableCommand(EObject target, Variable newVariable) {
super(target, newVariable);
}
@Override
public Object get() {
return ((SampleSimpleActivity)fTarget).getVariable();
}
@Override
public void set(Object o) {
((SampleSimpleActivity)fTarget).setVariable((Variable)o);
}
}
@Override
protected void createClient(Composite parent) {
FlatFormData data;
final Composite composite = parentComposite = createFlatFormComposite( createFlatFormComposite(parent) );
data = new FlatFormData();
data.left = new FlatFormAttachment(0, 0);
data.right = new FlatFormAttachment(100, 0);
data.top = new FlatFormAttachment(composite, IDetailsAreaConstants.VSPACE);
composite.setLayoutData(data);
Label variableLabel = fWidgetFactory.createLabel(composite, "Variable:");
variableName = fWidgetFactory.createLabel(composite, "", SWT.NONE); //$NON-NLS-1$
variableBrowseButton = fWidgetFactory.createButton(composite, Messages.FaultThrowNameSection_Browse_1, SWT.PUSH);
data = new FlatFormData();
data.left = new FlatFormAttachment(0, BPELUtil.calculateLabelWidth(variableLabel, STANDARD_LABEL_WIDTH_SM));
data.right = new FlatFormAttachment(variableBrowseButton, -IDetailsAreaConstants.HSPACE);
data.top = new FlatFormAttachment(0, 0);
data.height = FigureUtilities.getTextExtents(variableBrowseButton.getText(), variableBrowseButton.getFont()).height + 4;
variableName.setLayoutData(data);
data = new FlatFormData();
data.top = new FlatFormAttachment(variableName, 0, SWT.TOP);
data.bottom = new FlatFormAttachment(variableName, 2, SWT.BOTTOM);
data.left = new FlatFormAttachment(50, -BPELUtil.calculateButtonWidth(variableBrowseButton, SHORT_BUTTON_WIDTH)-IDetailsAreaConstants.CENTER_SPACE);
data.right = new FlatFormAttachment(50, -IDetailsAreaConstants.CENTER_SPACE);
variableBrowseButton.setLayoutData(data);
data = new FlatFormData();
data.left = new FlatFormAttachment(0, 0);
data.right = new FlatFormAttachment(variableName, -IDetailsAreaConstants.HSPACE);
data.top = new FlatFormAttachment(variableName, 0, SWT.CENTER);
variableLabel.setLayoutData(data);
variableBrowseButton.addSelectionListener(new SelectionListener() {
public void widgetSelected(SelectionEvent e) {
Shell shell = composite.getShell();
EObject model = getInput();
VariableSelectorDialog dialog = new VariableSelectorDialog(shell, model, ModelHelper.getVariableType(model, ModelHelper.OUTGOING));
dialog.setTitle(Messages.FaultThrowNameSection_Select_Fault_Variable_2);
if (dialog.open() == Window.OK) {
Variable variable = dialog.getVariable();
Command command = new SetVariableCommand(model, variable);
getCommandFramework().execute(wrapInShowContextCommand(command));
}
}
public void widgetDefaultSelected(SelectionEvent e) { widgetSelected(e); }
});
}
public void updateVariableWidgets() {
if (getActivity() != null ) {
Variable variable = getActivity().getVariable();
if (variable!=null) {
String name = variable.getName();
if (name==null)
name = "";
variableName.setText(name);
}
}
}
@Override
protected void basicSetInput(EObject newInput) {
if ( newInput instanceof SampleSimpleActivity) {
super.basicSetInput(newInput);
updateVariableWidgets();
}
}
}