001/*
002 * #%L
003 * GwtMaterial
004 * %%
005 * Copyright (C) 2015 - 2017 GwtMaterialDesign
006 * %%
007 * Licensed under the Apache License, Version 2.0 (the "License");
008 * you may not use this file except in compliance with the License.
009 * You may obtain a copy of the License at
010 * 
011 *      http://www.apache.org/licenses/LICENSE-2.0
012 * 
013 * Unless required by applicable law or agreed to in writing, software
014 * distributed under the License is distributed on an "AS IS" BASIS,
015 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
016 * See the License for the specific language governing permissions and
017 * limitations under the License.
018 * #L%
019 */
020package gwt.material.design.client.data.events;
021
022import com.google.gwt.event.shared.GwtEvent;
023import gwt.material.design.client.data.DataView;
024import gwt.material.design.client.data.SortContext;
025
026public class ColumnSortEvent<T> extends GwtEvent<ColumnSortHandler<T>> {
027
028    public static final Type<ColumnSortHandler> TYPE = new Type<>();
029
030    public static <T> void fire(DataView<T> source, SortContext<T> sortContext, int columnIndex) {
031        source.fireEvent(new ColumnSortEvent<>(sortContext, columnIndex));
032    }
033
034    private final SortContext<T> sortContext;
035    private final int columnIndex;
036
037    public ColumnSortEvent(SortContext<T> sortContext, int columnIndex) {
038        this.sortContext = sortContext;
039        this.columnIndex = columnIndex;
040    }
041
042    public SortContext<T> getSortContext() {
043        return sortContext;
044    }
045
046    public int getColumnIndex() {
047        return columnIndex;
048    }
049
050    @Override
051    @SuppressWarnings("unchecked")
052    public Type<ColumnSortHandler<T>> getAssociatedType() {
053        return (Type) TYPE;
054    }
055
056    @Override
057    protected void dispatch(ColumnSortHandler<T> handler) {
058        handler.onColumnSort(this);
059    }
060}