org.jdal.swing.table.ListTableModelSorter.java Source code

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Here is the source code for org.jdal.swing.table.ListTableModelSorter.java

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/*
 * Copyright 2009-2012 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.swing.table;

import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;

import javax.swing.RowSorter;
import javax.swing.SortOrder;

import org.jdal.swing.ListTableModel;
import org.springframework.beans.support.MutableSortDefinition;
import org.springframework.beans.support.PropertyComparator;

/**
 * RowSorter that sort the model list of a ListTableModel.
 * 
 * @author Jose Luis Martin - (jlm@joseluismartin.info)
 * @since 1.3
 */
@SuppressWarnings("rawtypes")
public class ListTableModelSorter extends RowSorter<ListTableModel> {

    private ListTableModel model;
    private SortKey key = new SortKey(0, javax.swing.SortOrder.ASCENDING);
    private MutableSortDefinition sortDefinition = new MutableSortDefinition();
    private Comparator comparator = new PropertyComparator(sortDefinition);

    /**
    * 
    */
    public ListTableModelSorter() {
        super();
    }

    /**
     * @param model
     */
    public ListTableModelSorter(ListTableModel model) {
        super();
        this.model = model;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public ListTableModel getModel() {
        return model;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void toggleSortOrder(int column) {
        if (key.getColumn() != column) {
            key = new SortKey(column, javax.swing.SortOrder.ASCENDING);
        } else {
            key = new SortKey(column,
                    key.getSortOrder() == SortOrder.ASCENDING ? SortOrder.DESCENDING : SortOrder.ASCENDING);
        }
        sort();
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public int convertRowIndexToModel(int index) {
        return index;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public int convertRowIndexToView(int index) {
        return index;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void setSortKeys(List<? extends SortKey> keys) {
        if (!keys.isEmpty()) {
            this.key = keys.get(0);
            sort();
        }
    }

    /**
     * 
     */
    @SuppressWarnings("unchecked")
    private void sort() {
        String propertyName = model.getPropertyName(key.getColumn());
        sortDefinition.setProperty(propertyName);
        sortDefinition.setAscending(SortOrder.ASCENDING.equals(key.getSortOrder()));
        Collections.sort(model.getList(), comparator);
        fireSortOrderChanged();
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public List<? extends SortKey> getSortKeys() {
        List<SortKey> keys = new ArrayList<SortKey>(1);
        keys.add(key);

        return keys;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public int getViewRowCount() {
        return model.getRowCount();
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public int getModelRowCount() {
        return model.getRowCount();
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void modelStructureChanged() {

    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void allRowsChanged() {

    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void rowsInserted(int firstRow, int endRow) {

    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void rowsDeleted(int firstRow, int endRow) {

    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void rowsUpdated(int firstRow, int endRow) {

    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void rowsUpdated(int firstRow, int endRow, int column) {

    }

}