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/*
* Copyright 2011 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 java.util.Collection;
import com.vaadin.data.Container;
import com.vaadin.server.PaintException;
import com.vaadin.server.PaintTarget;
/**
* This is a simple list select without, for instance, support for new items,
* lazyloading, and other advanced features.
*/
@SuppressWarnings("serial")
public class ListSelect extends AbstractSelect {
private int columns = 0;
private int rows = 0;
public ListSelect() {
super();
}
public ListSelect(String caption, Collection<?> options) {
super(caption, options);
}
public ListSelect(String caption, Container dataSource) {
super(caption, dataSource);
}
public ListSelect(String caption) {
super(caption);
}
/**
* Sets the number of columns in the editor. If the number of columns is set
* 0, the actual number of displayed columns is determined implicitly by the
* adapter.
*
* @param columns
* the number of columns to set.
*/
public void setColumns(int columns) {
if (columns < 0) {
columns = 0;
}
if (this.columns != columns) {
this.columns = columns;
markAsDirty();
}
}
public int getColumns() {
return columns;
}
public int getRows() {
return rows;
}
/**
* Sets the number of rows in the editor. If the number of rows is set 0,
* the actual number of displayed rows is determined implicitly by the
* adapter.
*
* @param rows
* the number of rows to set.
*/
public void setRows(int rows) {
if (rows < 0) {
rows = 0;
}
if (this.rows != rows) {
this.rows = rows;
markAsDirty();
}
}
@Override
public void paintContent(PaintTarget target) throws PaintException {
target.addAttribute("type", "list");
// Adds the number of columns
if (columns != 0) {
target.addAttribute("cols", columns);
}
// Adds the number of rows
if (rows != 0) {
target.addAttribute("rows", rows);
}
super.paintContent(target);
}
}
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