| /******************************************************************************* |
| * Copyright (c) 2004, 2007 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 |
| *******************************************************************************/ |
| package org.eclipse.ui.ide.dialogs; |
| |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Group; |
| import org.eclipse.ui.ide.IDEEncoding; |
| |
| /** |
| * The EncodingFieldEditor is a field editor that allows the |
| * user to set an encoding on a preference in a preference |
| * store. |
| * <p> |
| * This class may be instantiated; it is not intended to be subclassed. |
| * </p> |
| * |
| * @since 3.1 |
| */ |
| public final class EncodingFieldEditor extends AbstractEncodingFieldEditor { |
| |
| |
| /** |
| * Creates a new encoding field editor with the given preference name, label |
| * and parent. |
| * |
| * @param name |
| * the name of the preference this field editor works on |
| * @param labelText |
| * the label text of the field editor |
| * @param groupTitle |
| * the title for the field editor's control. If groupTitle is |
| * <code>null</code> the control will be unlabelled |
| * (by default a {@link Composite} instead of a {@link Group}. |
| * @param parent |
| * the parent of the field editor's control |
| * @see AbstractEncodingFieldEditor#setGroupTitle(String) |
| * @since 3.3 |
| */ |
| public EncodingFieldEditor(String name, String labelText, |
| String groupTitle, Composite parent) { |
| super(name, labelText, groupTitle, parent); |
| } |
| /** |
| * Create a new instance of the receiver on the preference called name |
| * with a label of labelText. |
| * @param name |
| * @param labelText |
| * @param parent |
| */ |
| public EncodingFieldEditor(String name, String labelText, Composite parent) { |
| super(name, labelText, parent); |
| } |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.internal.ide.dialogs.AbstractEncodingFieldEditor#getStoredValue() |
| */ |
| protected String getStoredValue() { |
| return getPreferenceStore().getString(getPreferenceName()); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.preference.FieldEditor#doStore() |
| */ |
| protected void doStore() { |
| String encoding = getSelectedEncoding(); |
| |
| if(hasSameEncoding(encoding)) { |
| return; |
| } |
| |
| IDEEncoding.addIDEEncoding(encoding); |
| |
| if (encoding.equals(getDefaultEnc())) { |
| getPreferenceStore().setToDefault(getPreferenceName()); |
| } else { |
| getPreferenceStore().setValue(getPreferenceName(), encoding); |
| } |
| } |
| |
| } |