/*
 * Copyright (c) 2007-2010 Nokia Corporation and/or its subsidiary(-ies). 
 * All rights reserved.
 * This component and the accompanying materials are made available
 * under the terms of "Eclipse Public License v1.0"
 * which accompanies this distribution, and is available
 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
 *
 * Initial Contributors:
 * Nokia Corporation - initial contribution.
 *
 * Contributors:
 *
 * Description:
 *
 * Label Field Editor
 *
 */
package com.nokia.traceviewer.engine.preferences;

import org.eclipse.jface.preference.FieldEditor;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Label;

/**
 * Label Field Editor
 * 
 */
class LabelFieldEditor extends FieldEditor {

	/**
	 * Label
	 */
	private Label label;

	/**
	 * Constructor
	 * 
	 * @param value
	 *            value for the label
	 * @param parent
	 *            parent composite
	 */
	public LabelFieldEditor(String value, Composite parent) {
		super("label", value, parent); //$NON-NLS-1$
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.jface.preference.FieldEditor#adjustForNumColumns(int)
	 */
	@Override
	protected void adjustForNumColumns(int numColumns) {
		((GridData) label.getLayoutData()).horizontalSpan = numColumns;
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see
	 * org.eclipse.jface.preference.FieldEditor#doFillIntoGrid(org.eclipse.swt
	 * .widgets.Composite, int)
	 */
	@Override
	protected void doFillIntoGrid(Composite parent, int numColumns) {
		label = getLabelControl(parent);

		GridData gridData = new GridData();
		gridData.horizontalSpan = numColumns;
		gridData.horizontalAlignment = GridData.FILL;
		gridData.grabExcessHorizontalSpace = false;
		gridData.verticalAlignment = GridData.CENTER;
		gridData.grabExcessVerticalSpace = false;

		label.setLayoutData(gridData);
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.jface.preference.FieldEditor#getNumberOfControls()
	 */
	@Override
	public int getNumberOfControls() {
		return 1;
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.jface.preference.FieldEditor#doLoad()
	 */
	@Override
	protected void doLoad() {
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.jface.preference.FieldEditor#doLoadDefault()
	 */
	@Override
	protected void doLoadDefault() {
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.jface.preference.FieldEditor#doStore()
	 */
	@Override
	protected void doStore() {
	}
}