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/*****************************************************************************
* Copyright (c) 2011 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:
* Camille Letavernier (CEA LIST) camille.letavernier@cea.fr - Initial API and implementation
*****************************************************************************/
package org.eclipse.papyrus.properties.uml.widgets;
import java.util.HashSet;
import java.util.Set;
import org.eclipse.core.databinding.observable.value.AbstractObservableValue;
import org.eclipse.core.databinding.observable.value.IObservableValue;
import org.eclipse.papyrus.properties.modelelement.ModelElement;
import org.eclipse.papyrus.widgets.editors.AbstractEditor;
import org.eclipse.papyrus.widgets.editors.ICommitListener;
import org.eclipse.papyrus.widgets.editors.StringEditor;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Listener;
public class NaturalLanguageEditor implements BodyEditor {
private StringEditor editor;
private final Set<Listener> changeListeners = new HashSet<Listener>();
private String currentValue;
public void createWidget(Composite parent, int style) {
editor = new StringEditor(parent, style | SWT.MULTI);
editor.addCommitListener(new ICommitListener() {
public void commit(AbstractEditor editor) {
Event event = new Event();
event.text = getValue();
for(Listener listener : changeListeners) {
listener.handleEvent(event);
}
}
});
}
public void setInput(String value) {
currentValue = value;
IObservableValue observable = new AbstractObservableValue() {
public Object getValueType() {
return String.class;
}
@Override
protected Object doGetValue() {
return currentValue;
}
@Override
protected void doSetValue(Object value) {
if(value instanceof String)
currentValue = (String)value;
}
};
editor.setModelObservable(observable);
}
public void dispose() {
editor.dispose();
changeListeners.clear();
}
public void addChangeListener(Listener listener) {
changeListeners.add(listener);
}
public void removeChangeListener(Listener listener) {
changeListeners.remove(listener);
}
public String getValue() {
return currentValue;
}
public void setReadOnly(boolean readOnly) {
editor.setReadOnly(readOnly);
}
public void setContext(ModelElement context) {
// Nothing
}
}
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