org.wicketstuff.datatable_autocomplete.table.column.DTARadioColumn Maven / Gradle / Ivy

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The Datatable autocomplete project provides a Trie datastructure that allows AJAX searches on large datasets fast. It is not memory efficient but it is fast especially to know how many results a given prefix matches. Provides a Datatable component when tied to a textfield will show the matched objects in a table format.

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/*
 * 
 * ==============================================================================
 * 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.wicketstuff.datatable_autocomplete.table.column;

import java.util.LinkedList;
import java.util.List;

import org.apache.wicket.extensions.markup.html.repeater.data.grid.ICellPopulator;
import org.apache.wicket.extensions.markup.html.repeater.data.table.AbstractColumn;
import org.apache.wicket.markup.html.form.Radio;
import org.apache.wicket.markup.html.form.RadioGroup;
import org.apache.wicket.markup.repeater.Item;
import org.apache.wicket.model.IModel;
import org.apache.wicket.model.Model;
import org.wicketstuff.datatable_autocomplete.radio.DTARadio;

/**
 * @author mocleiri
 * 
 *         A radio for use where the table this column is added to is wrapped by a
 *         {@link RadioGroup}
 * 
 */
public class DTARadioColumn extends AbstractColumn
{

	/**
	 * 
	 */
	private static final long serialVersionUID = -24109845922068732L;

	private List> radioList = new LinkedList>();


	/**
	 * @param displayModel
	 */
	public DTARadioColumn(IModel displayModel)
	{
		super(displayModel);
		// TODO Auto-generated constructor stub
	}

	/**
	 * @param columnName
	 */
	public DTARadioColumn(String columnName)
	{
		this(new Model(columnName));
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see
	 * org.apache.wicket.extensions.markup.html.repeater.data.grid.ICellPopulator#populateItem(org
	 * .apache.wicket.markup.repeater.Item, java.lang.String, org.apache.wicket.model.IModel)
	 */
	public void populateItem(Item> cellItem, String componentId,
		IModel rowModel)
	{

		DTARadio rd;
		cellItem.add(rd = new DTARadio(componentId, rowModel));

		rd.setOutputMarkupId(true);

		// should have a worst case size of visible page size.
		radioList.add(rd);

	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.apache.wicket.extensions.markup.html.repeater.data.table.AbstractColumn#detach()
	 */
	@Override
	public void detach()
	{
		super.detach();
// this.radioList.clear();

	}

	/**
	 * Get the markupid for the radio representing a specific row. Used to allow row onclick actions
	 * to trigger a radio selection DOM action.
	 * 
	 * @param index
	 * @return the markup id for the radio for the row index given.
	 */
	public final String getRadioMarkupID(int index)
	{
		Radio radio = radioList.get(index);

		if (radio == null)
			return null;
		else
			return radio.getMarkupId();
	}


}