| /******************************************************************************* |
| * Copyright (c) 2012, 2020 Original authors and others. |
| * |
| * This program and the accompanying materials are made |
| * available under the terms of the Eclipse Public License 2.0 |
| * which is available at https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * Original authors and others - initial API and implementation |
| ******************************************************************************/ |
| package org.eclipse.nebula.widgets.nattable.group.command; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.eclipse.nebula.widgets.nattable.command.AbstractLayerCommandHandler; |
| import org.eclipse.nebula.widgets.nattable.group.ColumnGroupModel; |
| import org.eclipse.nebula.widgets.nattable.group.ColumnGroupReorderLayer; |
| import org.eclipse.nebula.widgets.nattable.layer.ILayer; |
| import org.eclipse.nebula.widgets.nattable.reorder.command.MultiColumnReorderCommand; |
| |
| public class ReorderColumnsAndGroupsCommandHandler extends |
| AbstractLayerCommandHandler<ReorderColumnsAndGroupsCommand> { |
| |
| private final ColumnGroupReorderLayer columnGroupReorderLayer; |
| |
| public ReorderColumnsAndGroupsCommandHandler( |
| ColumnGroupReorderLayer columnGroupReorderLayer) { |
| this.columnGroupReorderLayer = columnGroupReorderLayer; |
| } |
| |
| @Override |
| public Class<ReorderColumnsAndGroupsCommand> getCommandClass() { |
| return ReorderColumnsAndGroupsCommand.class; |
| } |
| |
| /** |
| * Check if any column belongs to a group. If yes, add all columns in that |
| * group. Assumes that the 'toLocation' is not inside another group |
| */ |
| @Override |
| protected boolean doCommand(ReorderColumnsAndGroupsCommand command) { |
| final ILayer underlyingLayer = this.columnGroupReorderLayer |
| .getUnderlyingLayer(); |
| List<String> groupsProcessed = new ArrayList<>(); |
| |
| List<Integer> fromColumnPositions = command.getFromColumnPositions(); |
| List<Integer> fromColumnPositionsWithGroupColumns = new ArrayList<>(); |
| |
| for (Integer fromColumnPosition : fromColumnPositions) { |
| int fromColumnIndex = underlyingLayer |
| .getColumnIndexByPosition(fromColumnPosition.intValue()); |
| |
| ColumnGroupModel model = this.columnGroupReorderLayer.getModel(); |
| if (model.isPartOfAGroup(fromColumnIndex)) { |
| String groupName = model.getColumnGroupByIndex(fromColumnIndex) |
| .getName(); |
| if (!groupsProcessed.contains(groupName)) { |
| groupsProcessed.add(groupName); |
| fromColumnPositionsWithGroupColumns |
| .addAll(this.columnGroupReorderLayer |
| .getColumnGroupPositions(fromColumnIndex)); |
| } |
| } else { |
| fromColumnPositionsWithGroupColumns.add(fromColumnPosition); |
| } |
| } |
| |
| return underlyingLayer.doCommand(new MultiColumnReorderCommand( |
| this.columnGroupReorderLayer, fromColumnPositionsWithGroupColumns, |
| command.getToColumnPosition(), command.isReorderToLeftEdge())); |
| } |
| |
| } |