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/*
* Copyright 2000-2016 Vaadin Ltd.
*
* 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 com.vaadin.ui;
import com.vaadin.shared.ui.orderedlayout.VerticalLayoutState;
/**
* Vertical layout
*
* <code>VerticalLayout</code> is a component container, which shows the
* subcomponents in the order of their addition (vertically). A vertical layout
* is by default 100% wide.
*
* @author Vaadin Ltd.
* @since 5.3
*/
@SuppressWarnings("serial")
public class VerticalLayout extends AbstractOrderedLayout {
/**
* Constructs an empty VerticalLayout.
*/
public VerticalLayout() {
setWidth("100%");
setSpacing(true);
setMargin(true);
}
/**
* Constructs a VerticalLayout with the given components. The components are
* added in the given order.
*
* @see AbstractOrderedLayout#addComponents(Component...)
*
* @param children
* The components to add.
*/
public VerticalLayout(Component... children) {
this();
addComponents(children);
}
@Override
protected VerticalLayoutState getState() {
return (VerticalLayoutState) super.getState();
}
@Override
protected VerticalLayoutState getState(boolean markAsDirty) {
return (VerticalLayoutState) super.getState(markAsDirty);
}
/**
* Adds the given components to this layout and sets them as expanded. The
* height of all added child components are set to 100% so that the
* expansion will be effective. The height of this layout is also set to
* 100% if it is currently undefined.
* <p>
* The components are added in the provided order to the end of this layout.
* Any components that are already children of this layout will be moved to
* new positions.
*
* @param components
* the components to set, not <code>null</code>
* @since 8.0
*/
public void addComponentsAndExpand(Component... components) {
addComponents(components);
if (getHeight() < 0) {
setHeight(100, Unit.PERCENTAGE);
}
for (Component child : components) {
child.setHeight(100, Unit.PERCENTAGE);
setExpandRatio(child, 1);
}
}
}
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