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/*******************************************************************************
* Copyright (c) 2004, 2015 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.ui.internal.layout;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Layout;
import org.eclipse.swt.widgets.Shell;
/**
* Contains various methods for manipulating layouts
*
* @since 3.0
*/
public class LayoutUtil {
/**
* Should be called whenever a control's contents have changed. Will trigger a
* layout parent controls if necessary.
*
* @param changedControl
*/
public static void resize(Control changedControl) {
Composite parent = changedControl.getParent();
Layout parentLayout = parent.getLayout();
if (parentLayout instanceof ICachingLayout) {
((ICachingLayout) parentLayout).flush(changedControl);
}
if (parent instanceof Shell) {
parent.layout(true);
} else {
Rectangle currentBounds = parent.getBounds();
resize(parent);
// If the parent was resized, then it has already triggered a
// layout. Otherwise, we need to manually force it to layout again.
if (currentBounds.equals(parent.getBounds())) {
parent.layout(true);
}
}
}
}
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