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/*****************************************************************************
* Copyright (c) 2014 CEA LIST.
*
*
* 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:
* Quentin Le Menez (CEA LIST) quentin.lemenez@cea.fr - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.infra.nattable.handler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.emf.transaction.TransactionalEditingDomain;
import org.eclipse.gmf.runtime.common.core.command.CompositeCommand;
import org.eclipse.gmf.runtime.emf.type.core.commands.SetValueCommand;
import org.eclipse.gmf.runtime.emf.type.core.requests.IEditCommandRequest;
import org.eclipse.gmf.runtime.emf.type.core.requests.SetRequest;
import org.eclipse.papyrus.infra.nattable.model.nattable.NattablePackage;
import org.eclipse.papyrus.infra.nattable.model.nattable.nattableaxisconfiguration.AbstractHeaderAxisConfiguration;
import org.eclipse.papyrus.infra.nattable.model.nattable.nattableaxisconfiguration.TableHeaderAxisConfiguration;
import org.eclipse.papyrus.infra.nattable.model.nattable.nattablestyle.BooleanValueStyle;
import org.eclipse.papyrus.infra.nattable.model.nattable.nattablestyle.NattablestyleFactory;
import org.eclipse.papyrus.infra.nattable.model.nattable.nattablestyle.NattablestylePackage;
import org.eclipse.papyrus.infra.nattable.utils.HeaderAxisConfigurationManagementUtils;
import org.eclipse.papyrus.infra.nattable.utils.NamedStyleConstants;
import org.eclipse.papyrus.infra.services.edit.service.ElementEditServiceUtils;
import org.eclipse.papyrus.infra.services.edit.service.IElementEditService;
import org.eclipse.ui.handlers.HandlerUtil;
/**
* The handler used for the merge of all the cells inside each column
*
* @author Quentin Le Menez
*
*/
public class MergeColumnsHandler extends AbstractMergeHandler {
@Override
public Object execute(ExecutionEvent event) throws ExecutionException {
// the command to contain all the merge updates
final CompositeCommand mergeCommand = new CompositeCommand("Merge/UnMerge the cells in all the columns"); //$NON-NLS-1$
// final CompositeCommand createLocalHeaderCommand = new CompositeCommand("Creates the local header if none previously exists"); //$NON-NLS-1$
// the domain of the currently used table
TransactionalEditingDomain tableDomain = getTableEditingDomain();
// necessary to identify which merge option should be activated
final String commandId = event.getCommand().getId();
// this boolean indicates if the currently chosen merge option is to be a merge or an unMerge
boolean isMerged = HandlerUtil.toggleCommandState(event.getCommand());
// the header currently used in the table
AbstractHeaderAxisConfiguration columnHeaderUsedInTable = HeaderAxisConfigurationManagementUtils.getColumnAbstractHeaderAxisConfigurationUsedInTable(getTable());
// the necessary merge boolean value
BooleanValueStyle mergeColumns = (BooleanValueStyle) columnHeaderUsedInTable.getNamedStyle(NattablestylePackage.eINSTANCE.getBooleanValueStyle(), NamedStyleConstants.MERGE_COLUMNS);
// identify if the merge boolean was already created and updates it, if not creates it and set its value
if (mergeColumns != null) {
if (mergeColumns.isBooleanValue()) {
SetRequest mergeColumnRequest = new SetRequest(tableDomain, mergeColumns, NattablestylePackage.eINSTANCE.getBooleanValueStyle_BooleanValue(), false);
SetValueCommand mergeColumnCommand = new SetValueCommand(mergeColumnRequest);
mergeCommand.add(mergeColumnCommand);
} else {
SetRequest mergeColumnRequest = new SetRequest(tableDomain, mergeColumns, NattablestylePackage.eINSTANCE.getBooleanValueStyle_BooleanValue(), true);
SetValueCommand mergeColumnCommand = new SetValueCommand(mergeColumnRequest);
mergeCommand.add(mergeColumnCommand);
}
} else {
// check if the header used is a local or the default, i.e. the TableHeaderAxisConfiguration, and if so create it
if (columnHeaderUsedInTable instanceof TableHeaderAxisConfiguration) {
// Creates the local column header if none already exists in the table
columnHeaderUsedInTable = HeaderAxisConfigurationManagementUtils.transformToLocalHeaderConfiguration((TableHeaderAxisConfiguration) columnHeaderUsedInTable);
EStructuralFeature localHeaderFeature = NattablePackage.eINSTANCE.getTable_LocalColumnHeaderAxisConfiguration();
IEditCommandRequest initLocalColumnHeaderAxis = new SetRequest(tableDomain, getTable(), localHeaderFeature, columnHeaderUsedInTable);
IElementEditService localColumnHeaderAxisProvider = ElementEditServiceUtils.getCommandProvider(getTable());
mergeCommand.add(localColumnHeaderAxisProvider.getEditCommand(initLocalColumnHeaderAxis));
}
mergeColumns = NattablestyleFactory.eINSTANCE.createBooleanValueStyle();
mergeColumns.setBooleanValue(true);
mergeColumns.setName(NamedStyleConstants.MERGE_COLUMNS);
SetRequest mergeColumnRequest = new SetRequest(tableDomain, columnHeaderUsedInTable, NattablestylePackage.eINSTANCE.getStyledElement_Styles(), mergeColumns);
SetValueCommand mergeColumnCommand = new SetValueCommand(mergeColumnRequest);
mergeCommand.add(mergeColumnCommand);
}
// checks if the mergeRows option was already selected and, if so, switch its boolean to false as mergeColumns is activated to true
if (!isMerged) {
// resets the other merge booleans if any were to conflict with the current choice
updateTableSpanBooleans(commandId, mergeCommand);
}
// apply the changes to the model
executeMergeCommands(mergeCommand, tableDomain);
return null;
}
}
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