Property Section use Databinding API now

plugins/org.yakindu.sct.ui.editor/src/org/yakindu/sct/ui/editor/propertysheets/StatePropertySection.java

@@ -41,6 +41,12 @@ public class StatePropertySection extends NamePropertySection {
 				getActiveEditorResource(),
 				IYakinduSctHelpContextIds.SC_PROPERTIES_STATE_EXPRESSION);
 		descriptors.add(expressionsDescriptor);
+		
+		// Submachine reference
+		TextDialogPropertyDescriptor submachineDescriptor = new TextDialogPropertyDescriptor(
+				SGraphPackage.Literals.STATE__SUBSTATECHART, "Submachine:");
+		descriptors.add(submachineDescriptor);
 	}
+	
 
 }

plugins/org.yakindu.sct.ui.editor/src/org/yakindu/sct/ui/editor/propertysheets/TextDialogPropertyDescriptor.java

@@ -0,0 +1,167 @@
+/**
+ * Copyright (c) 2011 itemis AG 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:
+ *         itemis AG - initial API and implementation
+ *
+ */
+package org.yakindu.sct.ui.editor.propertysheets;
+
+import java.io.IOException;
+import java.util.Collections;
+import java.util.List;
+
+import org.eclipse.core.commands.ExecutionException;
+import org.eclipse.core.commands.operations.IOperationHistory;
+import org.eclipse.core.commands.operations.OperationHistoryFactory;
+import org.eclipse.core.databinding.observable.value.IObservableValue;
+import org.eclipse.core.runtime.NullProgressMonitor;
+import org.eclipse.draw2d.ColorConstants;
+import org.eclipse.emf.common.ui.dialogs.ResourceDialog;
+import org.eclipse.emf.common.util.URI;
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.emf.ecore.EStructuralFeature;
+import org.eclipse.emf.ecore.resource.Resource;
+import org.eclipse.emf.ecore.resource.Resource.Factory;
+import org.eclipse.emf.ecore.resource.impl.ResourceFactoryRegistryImpl;
+import org.eclipse.emf.ecore.util.EcoreUtil;
+import org.eclipse.gmf.runtime.emf.type.core.commands.SetValueCommand;
+import org.eclipse.gmf.runtime.emf.type.core.requests.SetRequest;
+import org.eclipse.jface.databinding.swt.WidgetProperties;
+import org.eclipse.jface.dialogs.Dialog;
+import org.eclipse.jface.layout.GridDataFactory;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.events.ModifyEvent;
+import org.eclipse.swt.events.ModifyListener;
+import org.eclipse.swt.events.SelectionEvent;
+import org.eclipse.swt.events.SelectionListener;
+import org.eclipse.swt.layout.GridLayout;
+import org.eclipse.swt.widgets.Button;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Control;
+import org.eclipse.swt.widgets.Shell;
+import org.eclipse.swt.widgets.Text;
+import org.yakindu.sct.model.sgraph.SGraphPackage;
+import org.yakindu.sct.model.sgraph.State;
+import org.yakindu.sct.model.sgraph.Statechart;
+
+import de.itemis.gmf.runtime.commons.properties.descriptors.AbstractPropertyDescriptor;
+
+/**
+ * 
+ * @author andreas muelder - Initial contribution and API
+ * 
+ */
+public class TextDialogPropertyDescriptor extends AbstractPropertyDescriptor {
+
+	private EObject eObject;
+	private Text text;
+
+	public TextDialogPropertyDescriptor(EStructuralFeature feature,
+			String labelName) {
+		super(feature, labelName);
+	}
+
+	@Override
+	protected Control createControl(Composite parent) {
+		Composite composite = new Composite(parent, SWT.NONE);
+		GridDataFactory.fillDefaults().grab(true, false).applyTo(composite);
+		composite.setBackground(ColorConstants.white);
+		GridLayout layout = new GridLayout(2, false);
+		layout.marginLeft = 0;
+		layout.marginRight = 0;
+		composite.setLayout(layout);
+		text = new Text(composite, SWT.BORDER);
+		GridDataFactory.fillDefaults().grab(true, false).applyTo(text);
+		Button openDialog = new Button(composite, SWT.NONE);
+		GridDataFactory.fillDefaults().hint(SWT.DEFAULT, 5).applyTo(openDialog);
+		openDialog.setText("...");
+
+		openDialog.addSelectionListener(new SelectionListener() {
+
+			public void widgetSelected(SelectionEvent arg0) {
+				ResourceDialog dialog = new ResourceDialog(new Shell(),
+						"Title", SWT.SINGLE | SWT.OPEN);
+
+				if (dialog.open() == Dialog.OK) {
+					List<URI> urIs = dialog.getURIs();
+					getControl().setText(urIs.get(0).toString());
+				}
+			}
+
+			public void widgetDefaultSelected(SelectionEvent arg0) {
+			}
+		});
+
+		text.addModifyListener(new ModifyListener() {
+
+			public void modifyText(ModifyEvent arg0) {
+				Statechart statechart = loadFromResource(text.getText());
+				if (statechart != null) {
+					executeSetCommand(new SetRequest(eObject,
+							SGraphPackage.Literals.STATE__SUBSTATECHART,
+							statechart));
+				}
+			}
+		});
+		return text;
+	}
+
+	protected void executeSetCommand(SetRequest request) {
+		SetValueCommand command = new SetValueCommand(request);
+		System.out.println("Can execute: " + command.canExecute());
+		IOperationHistory operationHistory = OperationHistoryFactory
+				.getOperationHistory();
+		try {
+			operationHistory.execute(command, new NullProgressMonitor(), null);
+		} catch (ExecutionException e) {
+			e.printStackTrace();
+		}
+	}
+
+	@Override
+	public Text getControl() {
+		return (Text) super.getControl();
+	}
+
+	@Override
+	protected IObservableValue getWidgetValue() {
+		return WidgetProperties.text(SWT.Modify | SWT.FocusOut).observe(
+				getControl());
+	}
+
+	@Override
+	public void bindToModel(EObject eObject) {
+		this.eObject = eObject;
+		State state = (State) eObject;
+		Statechart substatechart = state.getSubstatechart();
+		if (substatechart != null)
+			text.setText(substatechart.eResource().getURI().toString());
+
+	}
+
+	private Statechart loadFromResource(String resourceUriString) {
+		String uri = (String) resourceUriString;
+		if (uri == null || uri.trim().length() == 0)
+			return null;
+		URI platformURI = URI.createURI(uri, true);
+		Factory factory = ResourceFactoryRegistryImpl.INSTANCE
+				.getFactory(platformURI);
+		Resource resource = factory.createResource(platformURI);
+		if (resource == null)
+			return null;
+		try {
+			resource.load(Collections.emptyMap());
+		} catch (IOException e) {
+			e.printStackTrace();
+		}
+		Statechart statechart = (Statechart) EcoreUtil.getObjectByType(
+				resource.getContents(), SGraphPackage.Literals.STATECHART);
+		return statechart;
+	}
+
+}