/*
* Copyright 2009-2011 the original author or authors.
*
* 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.jdal.vaadin.ui;
import com.vaadin.server.Sizeable.Unit;
import com.vaadin.ui.AbstractOrderedLayout;
import com.vaadin.ui.Component;
import com.vaadin.ui.HorizontalLayout;
import com.vaadin.ui.Label;
import com.vaadin.ui.VerticalLayout;
/**
* Utility class for work with box layouts
*
* @author Jose Luis Martin - (jlm@joseluismartin.info)
*/
public abstract class Box {
/**
* Try to imitate a HorizalGlue of Swing BoxLayout.
* A invisible component that get all extra space.
* @param layout layout to add glue
*/
public static void addHorizontalGlue(AbstractOrderedLayout layout) {
Label label = new Label();
label.setWidth("100%");
layout.addComponent(label);
layout.setExpandRatio(label, 1.0f);
}
/**
* Try to imitate a VerticalGlue of Swing BoxLayout
*/
public static void addVerticalGlue(AbstractOrderedLayout layout) {
Label label = new Label(" ");
label.setHeight("100%");
layout.addComponent(label);
layout.setExpandRatio(label, 1.0f);
}
/**
* Try to imitate HorizontalStruct on Swing BoxLayout
* @param layout Layout to add the struct
* @param width struct withd
*/
public static void addHorizontalStruct(AbstractOrderedLayout layout, int width) {
Label label = new Label();
label.setWidth(width + "px");
layout.addComponent(label);
layout.setExpandRatio(label, 0f);
}
/**
* Try to imitate VerticalStruct of Swing BoxLayout
* @param layout layout to add struct
* @param height struct height
*/
public static void addVerticalStruct(AbstractOrderedLayout layout, int height) {
Label label = new Label();
label.setHeight(height + "px");
layout.addComponent(label);
layout.setExpandRatio(label, 0f);
}
/**
* @return new VerticalLayout
*/
public static VerticalLayout createVerticalBox() {
VerticalLayout vl = new VerticalLayout();
vl.setHeight(100, Unit.PERCENTAGE);
return vl;
}
/**
* @param defaultSpace
* @return new struct
*/
public static Component createHorizontalStrut(int defaultSpace) {
Label label = new Label(" ");
label.setWidth(defaultSpace, Unit.PIXELS);
return label;
}
/**
* @return new Horizontal Layout
*/
public static HorizontalLayout createHorizontalBox() {
return new HorizontalLayout();
}
}