/*
* ARX: Powerful Data Anonymization
* Copyright 2012 - 2017 Fabian Prasser, Florian Kohlmayer and contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.deidentifier.arx.gui.view.impl.common;
import org.eclipse.swt.custom.StackLayout;
import org.eclipse.swt.events.ControlAdapter;
import org.eclipse.swt.events.ControlEvent;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
/**
* A layout that shows different contents, depending on available size
*
* @author Fabian Prasser
*
*/
public class ComponentResponsiveLayout {
/**
* Primary will be shown as long as width and height are within the given bounds,
* otherwise the composite will switch to the secondary control
*
* @param parent
* @param minWidth
* @param minHeight
*/
public ComponentResponsiveLayout(final Composite parent,
final int minWidth,
final int minHeight,
final Control primary,
final Control secondary) {
final StackLayout layout = new StackLayout();
parent.setLayout (layout);
layout.topControl = primary;
parent.layout();
parent.addControlListener(new ControlAdapter(){
@Override
public void controlResized(ControlEvent arg0) {
if (parent.getSize().x < minWidth || parent.getSize().y < minHeight) {
if (layout.topControl != secondary) {
layout.topControl = secondary;
parent.layout();
}
} else {
if (layout.topControl != primary) {
layout.topControl = primary;
parent.layout();
}
}
}
});
}
}