| /******************************************************************************* |
| * Copyright (c) 2001, 2004 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); |
| } |
| } |
| } |