/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.isis.viewer.dnd.special;
import org.apache.isis.viewer.dnd.CompositeViewBuilder;
import org.apache.isis.viewer.dnd.Location;
import org.apache.isis.viewer.dnd.Size;
import org.apache.isis.viewer.dnd.View;
import org.apache.isis.viewer.dnd.core.AbstractBuilderDecorator;
public class GridLayout extends AbstractBuilderDecorator {
public GridLayout(CompositeViewBuilder design) {
super(design);
}
public Size getRequiredSize(View view) {
int height = 0;
int width = 0;
View views[] = view.getSubviews();
for (int i = 0; i < views.length; i++) {
View v = views[i];
Size s = v.getRequiredSize();
height = Math.max(height, s.getHeight());
width += s.getWidth();
}
return new Size(width, height);
}
public boolean isOpen() {
return true;
}
public void layout(View view) {
int x = 0, y = 0;
View views[] = view.getSubviews();
for (int i = 0; i < views.length; i++) {
View v = views[i];
Size s = v.getRequiredSize();
v.setSize(s);
v.setLocation(new Location(x, y));
x += s.getWidth();
}
}
}