org.wicketstuff.datatable_autocomplete.table.column.DTARadioColumn.java Source code

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Here is the source code for org.wicketstuff.datatable_autocomplete.table.column.DTARadioColumn.java

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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<T> extends AbstractColumn<T> {

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

    private List<Radio<T>> radioList = new LinkedList<Radio<T>>();

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

    /**
     * @param columnName
     */
    public DTARadioColumn(String columnName) {
        this(new Model<String>(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<ICellPopulator<T>> cellItem, String componentId, IModel<T> rowModel) {

        DTARadio<T> rd;
        cellItem.add(rd = new DTARadio<T>(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<T> radio = radioList.get(index);

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

}