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/*******************************************************************************
* Copyright (c) 2001, 2006 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
* Jens Lukowski/Innoopract - initial renaming/restructuring
*
*******************************************************************************/
package org.eclipse.wst.xml.ui.internal.properties;
import java.util.Arrays;
import org.eclipse.jface.viewers.CellEditor;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.ui.views.properties.PropertyDescriptor;
/**
* This class should be used for properties which require a combo box cell
* editor and whose values consist of a list of enumerated strings.
*/
public class EnumeratedStringPropertyDescriptor extends PropertyDescriptor {
protected StringComboBoxCellEditor fEditor;
protected Composite fParent;
/**
* The enumerated possible values for the described property
*/
protected String fValues[] = null;
public EnumeratedStringPropertyDescriptor(Object id, String newDisplayName, String[] valuesArray) {
super(id, newDisplayName);
setDescription((String) id);
fValues = valuesArray;
}
/**
* Creates and returns a new cell editor for editing this property.
* Returns <code>null</code> if the property is not editable.
*
* @param parent
* the parent widget for the cell editor
* @return the cell editor for this property, or <code>null</code> if
* this property cannot be edited
*/
public CellEditor createPropertyEditor(Composite parent) {
// Check to see if we already have a Cell Editor with a valid Control
// under the given parent.
// If any of that's not true, create and return a new Cell Editor
if ((fEditor == null) || (fEditor.getControl() == null) || fEditor.getControl().isDisposed() || (parent != fParent)) {
fEditor = new StringComboBoxCellEditor(parent, fValues);
}
fParent = parent;
return fEditor;
}
public void updateValues(String newValues[]) {
if (Arrays.equals(fValues, newValues)) {
return;
}
fValues = newValues;
if (fEditor != null) {
fEditor.setItems(newValues);
}
}
}
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