/****************************************************************************** | |
* Copyright (c) 2002, 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 | |
****************************************************************************/ | |
package org.eclipse.gmf.tooling.runtime.directedit; | |
import org.eclipse.swt.SWT; | |
import org.eclipse.swt.events.KeyEvent; | |
import org.eclipse.swt.widgets.Composite; | |
/** | |
* A cell editor that manages a multiline wrappable text entry field. | |
* The cell editor's value is the text string itself. | |
* <p> | |
* This class may be instantiated; it is not intended to be subclassed. | |
* </p> | |
*/ | |
public class WrapTextCellEditor extends TextCellEditorEx { | |
/** | |
* Default MultiLineTextCellEditor style | |
* specify no borders on text widget as cell outline in table already | |
* provides the look of a border. | |
*/ | |
private static final int defaultStyle = SWT.WRAP | SWT.MULTI; | |
/** | |
* Creates a new text string cell editor with no control | |
* The cell editor value is the string itself, which is initially the empty | |
* string. Initially, the cell editor has no cell validator. | |
*/ | |
public WrapTextCellEditor() { | |
setStyle(defaultStyle); | |
} | |
/** | |
* Creates a new text string cell editor parented under the given control. | |
* The cell editor value is the string itself, which is initially the empty string. | |
* Initially, the cell editor has no cell validator. | |
* | |
* @param parent the parent control | |
*/ | |
public WrapTextCellEditor(Composite parent) { | |
this(parent, defaultStyle); | |
} | |
/** | |
* Creates a new text string cell editor parented under the given control. | |
* The cell editor value is the string itself, which is initially the empty string. | |
* Initially, the cell editor has no cell validator. | |
* | |
* @param parent the parent control | |
* @param style the style bits | |
*/ | |
public WrapTextCellEditor(Composite parent, int style) { | |
super(parent, style); | |
} | |
/** | |
* @see org.eclipse.jface.viewers.CellEditor#keyReleaseOccured(org.eclipse.swt.events.KeyEvent) | |
*/ | |
protected void keyReleaseOccured(KeyEvent keyEvent) { | |
// The super behavior of this method is to apply the cell editor value | |
// if the 'Return' key is pressed with the 'CTRL' key. Otherwise, the | |
// 'Return' key is used to insert a new line. This is exactly opposite | |
// to what we expect in this editor and that is why we are reversing it. | |
if (keyEvent.character == '\r') { | |
if ((keyEvent.stateMask & SWT.CTRL) != 0) | |
keyEvent.stateMask &= ~SWT.CTRL; | |
else | |
keyEvent.stateMask |= SWT.CTRL; | |
} | |
super.keyReleaseOccured(keyEvent); | |
} | |
} |