1 files changed, 91 insertions, 0 deletions
diff --git a/plugins/infra/ui/org.eclipse.papyrus.infra.widgets/src/org/eclipse/papyrus/infra/widgets/databinding/StyledTextReferenceDialogObservableValue.java b/plugins/infra/ui/org.eclipse.papyrus.infra.widgets/src/org/eclipse/papyrus/infra/widgets/databinding/StyledTextReferenceDialogObservableValue.java
new file mode 100644
index 00000000000..eb77f7e30d1
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+++ b/plugins/infra/ui/org.eclipse.papyrus.infra.widgets/src/org/eclipse/papyrus/infra/widgets/databinding/StyledTextReferenceDialogObservableValue.java
@@ -0,0 +1,91 @@
+/*****************************************************************************
+ * Copyright (c) 2015 CEA LIST.
+ * 
+ * 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:
+ *   Nicolas FAUVERGUE (ALL4TEC) nicolas.fauvergue@all4tec.net - Initial API and implementation
+ *   
+ *****************************************************************************/
+package org.eclipse.papyrus.infra.widgets.databinding;
+
+import org.eclipse.core.databinding.observable.value.IObservableValue;
+import org.eclipse.jface.viewers.ILabelProvider;
+import org.eclipse.jface.viewers.LabelProvider;
+import org.eclipse.papyrus.infra.widgets.editors.AbstractValueEditor;
+import org.eclipse.papyrus.infra.widgets.providers.UnchangedObject;
+import org.eclipse.swt.custom.StyledText;
+
+/**
+ * An ObservableValue for ReferenceDialog widget (Which displays
+ * the current value with a CLabel)
+ */
+public class StyledTextReferenceDialogObservableValue extends StyledTextObservableValue {
+
+	/**
+	 * The value editor.
+	 */
+	private AbstractValueEditor referenceDialog;
+
+	/**
+	 * The label provider used to get the text value.
+	 */
+	private ILabelProvider labelProvider;
+
+	/**
+	 * @param dialog
+	 *            The observed StyledTextReferenceDialog
+	 * @param styledText
+	 *            The observed StyledText
+	 * @param modelObservable
+	 *            The Model IObservable
+	 * @param eventType
+	 *            The eventType to listen to. When the event is fired by the Text
+	 *            widget, this IObservableValue will fire a ChangeEvent
+	 * @param labelProvider
+	 *            The label provider
+	 */
+	public StyledTextReferenceDialogObservableValue(final AbstractValueEditor dialog, final StyledText styledText, final IObservableValue modelObservable, final int eventType, final ILabelProvider labelProvider) {
+		super(styledText, modelObservable, eventType);
+		this.referenceDialog = dialog;
+		this.labelProvider = labelProvider;
+	}
+
+	/**
+	 * Set the label provider.
+	 * 
+	 * @param labelProvider
+	 *            The LabelProvider used to define the CLabel's text and image,
+	 *            based on the current value
+	 */
+	public void setLabelProvider(ILabelProvider labelProvider) {
+		if (labelProvider != null) {
+			this.labelProvider = labelProvider;
+		} else {
+			this.labelProvider = new LabelProvider();
+		}
+	}
+
+	/**
+	 * {@inheritDoc}
+	 * 
+	 * @see org.eclipse.papyrus.infra.widgets.databinding.StyledTextObservableValue#doSetValue(java.lang.Object)
+	 */
+	@Override
+	protected void doSetValue(final Object value) {
+		if (null != modelProperty && modelProperty.hasDifferentValues()) {
+			this.text.setText(UnchangedObject.instance.toString());
+			this.currentValue = UnchangedObject.instance;
+		} else if (value instanceof String) {
+			this.text.setText((String) value);
+			this.currentValue = value;
+		} else {
+			this.text.setText(labelProvider.getText(value));
+			this.currentValue = value;
+		}
+		referenceDialog.update();
+	}
+}