/*******************************************************************************
* Copyright (c) 2005, 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.ltk.internal.ui.refactoring.util;
import org.eclipse.swt.SWT;
import org.eclipse.swt.accessibility.ACC;
import org.eclipse.swt.accessibility.AccessibleAdapter;
import org.eclipse.swt.accessibility.AccessibleEvent;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Control;
import org.eclipse.core.runtime.Assert;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.layout.PixelConverter;
import org.eclipse.jface.resource.JFaceResources;
/**
* Utility class for swt-related functions.
*
* @since 3.2
*/
public final class SWTUtil {
public static int getButtonWidthHint(Button button) {
button.setFont(JFaceResources.getDialogFont());
return Math.max(new PixelConverter(button).convertHorizontalDLUsToPixels(IDialogConstants.BUTTON_WIDTH), button.computeSize(SWT.DEFAULT, SWT.DEFAULT, true).x);
}
public static void setButtonDimensionHint(Button button) {
Assert.isNotNull(button);
Object data= button.getLayoutData();
if (data instanceof GridData) {
((GridData) data).widthHint= getButtonWidthHint(button);
((GridData) data).horizontalAlignment= GridData.FILL;
}
}
/**
* Adds an accessibility listener returning the given fixed name.
*
* @param control the control to add the accessibility support to
* @param text the name
*
* @since 3.5.100
*/
public static void setAccessibilityText(Control control, final String text) {
control.getAccessible().addAccessibleListener(new AccessibleAdapter() {
public void getName(AccessibleEvent e) {
if (e.childID == ACC.CHILDID_SELF) {
e.result= text;
}
}
});
}
private SWTUtil() {
// Not for instantiation
}
}