/*******************************************************************************
* Copyright (c) 2010 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.wst.sse.ui.internal.util;
import org.eclipse.core.runtime.Assert;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.layout.PixelConverter;
import org.eclipse.jface.resource.JFaceResources;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.Button;
/**
* <p>Utility class to simplify access to some SWT resources.</p>
*
* @base org.eclipse.jdt.internal.ui.util.SWTUtil
*/
public class SWTUtil {
/**
* Returns a width hint for a button control.
* @param button the button
* @return the width hint
*/
public static int getButtonWidthHint(Button button) {
button.setFont(JFaceResources.getDialogFont());
PixelConverter converter= new PixelConverter(button);
int widthHint= converter.convertHorizontalDLUsToPixels(IDialogConstants.BUTTON_WIDTH);
return Math.max(widthHint, button.computeSize(SWT.DEFAULT, SWT.DEFAULT, true).x);
}
/**
* Sets width and height hint for the button control.
* <b>Note:</b> This is a NOP if the button's layout data is not
* an instance of <code>GridData</code>.
*
* @param button the button for which to set the dimension hint
*/
public static void setButtonDimensionHint(Button button) {
Assert.isNotNull(button);
Object gd= button.getLayoutData();
if (gd instanceof GridData) {
((GridData)gd).widthHint= getButtonWidthHint(button);
((GridData)gd).horizontalAlignment = GridData.FILL;
}
}
}