/*******************************************************************************
* Copyright (c) 2012 Original authors 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:
* Original authors and others - initial API and implementation
******************************************************************************/
package org.eclipse.nebula.widgets.nattable.hideshow.event;
import java.util.ArrayList;
import java.util.Collection;
import org.eclipse.nebula.widgets.nattable.coordinate.PositionUtil;
import org.eclipse.nebula.widgets.nattable.coordinate.Range;
import org.eclipse.nebula.widgets.nattable.layer.ILayer;
import org.eclipse.nebula.widgets.nattable.layer.IUniqueIndexLayer;
import org.eclipse.nebula.widgets.nattable.layer.event.ColumnStructuralChangeEvent;
import org.eclipse.nebula.widgets.nattable.layer.event.StructuralDiff;
import org.eclipse.nebula.widgets.nattable.layer.event.StructuralDiff.DiffTypeEnum;
public class ShowColumnPositionsEvent extends ColumnStructuralChangeEvent {
public ShowColumnPositionsEvent(IUniqueIndexLayer layer,
Collection<Integer> columnPositions) {
super(layer, PositionUtil.getRanges(columnPositions));
}
// Copy constructor
public ShowColumnPositionsEvent(ShowColumnPositionsEvent event) {
super(event);
}
@Override
public Collection<StructuralDiff> getColumnDiffs() {
Collection<StructuralDiff> columnDiffs = new ArrayList<StructuralDiff>();
int offset = 0;
for (Range range : getColumnPositionRanges()) {
columnDiffs.add(new StructuralDiff(DiffTypeEnum.ADD, new Range(
range.start - offset, range.start - offset), range));
offset += range.size();
}
return columnDiffs;
}
@Override
public ShowColumnPositionsEvent cloneEvent() {
return new ShowColumnPositionsEvent(this);
}
@Override
public boolean convertToLocal(ILayer localLayer) {
super.convertToLocal(localLayer);
return true;
}
}