/*******************************************************************************
* Copyright (c) 2014 Dirk Fauth and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Dirk Fauth <dirk.fauth@googlemail.com> - initial API and implementation
******************************************************************************/
package org.eclipse.nebula.widgets.nattable.extension.glazedlists.groupBy;
import org.eclipse.nebula.widgets.nattable.layer.ILayer;
import org.eclipse.nebula.widgets.nattable.layer.LabelStack;
import org.eclipse.nebula.widgets.nattable.reorder.action.ColumnReorderDragMode;
/**
* Specialization of {@link ColumnReorderDragMode} that avoids rendering of the
* column drag lines in case the mouse moves over the groupBy region.
*/
public class GroupByColumnReorderDragMode extends ColumnReorderDragMode {
@Override
protected boolean isValidTargetColumnPosition(ILayer natLayer, int dragFromGridColumnPosition, int dragToGridColumnPosition) {
// Suppress reorder if cursor is over the group by region
LabelStack regionLabels = natLayer.getRegionLabelsByXY(this.currentEvent.x, this.currentEvent.y);
if (regionLabels != null && !regionLabels.hasLabel(GroupByHeaderLayer.GROUP_BY_REGION)) {
return super.isValidTargetColumnPosition(natLayer, dragFromGridColumnPosition, dragToGridColumnPosition);
}
return false;
}
}