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/*****************************************************************************
* Copyright (c) 2014 CEA LIST 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:
* CEA LIST - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.infra.nattable.handler;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.emf.common.command.Command;
import org.eclipse.emf.edit.command.AddCommand;
import org.eclipse.emf.edit.command.RemoveCommand;
import org.eclipse.papyrus.infra.nattable.model.nattable.nattablestyle.IntListValueStyle;
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.FillingConfigurationUtils;
import org.eclipse.papyrus.infra.nattable.utils.NamedStyleConstants;
import org.eclipse.papyrus.infra.nattable.utils.StyleUtils;
/**
* @author Vincent Lorenzo
*
*/
public class TreeRowHideShowCategoryHandler extends AbstractTreeRowHideShowCategoryHandler {
/**
* Boolean parameter : <code>true</code> to hide and <code>false</code> to show
*/
public static final String HIDE_CATEGORY_PARAMETER_KEY = "hideCategory"; //$NON-NLS-1$
/**
* the depth on which we are working
*/
public static final String DEPTH_PARAMETER_KEY = "depth"; //$NON-NLS-1$
/**
* the id of the command managed by this handler
*/
public static final String COMMAND_ID = "org.eclipse.papyrus.infra.nattable.row.show.hide.category.command"; //$NON-NLS-1$
/**
* @see org.eclipse.core.commands.IHandler#execute(org.eclipse.core.commands.ExecutionEvent)
*
* @param arg0
* @return
* @throws ExecutionException
*/
@Override
public Object execute(ExecutionEvent arg0) throws ExecutionException {
Boolean hide = (Boolean) arg0.getParameters().get(HIDE_CATEGORY_PARAMETER_KEY);
Integer depth = (Integer) arg0.getParameters().get(DEPTH_PARAMETER_KEY);
if (hide) {
hideCategory(depth);
} else {
showCategory(depth);
}
return null;
}
/**
*
* @param depth
* the depth to hide
*/
protected void hideCategory(Integer depth) {
IntListValueStyle style = StyleUtils.getHiddenDepthsValueStyle(getTable());
if (style != null && style.getIntListValue().contains(depth)) {
return;
}
if (depth == 0 && !FillingConfigurationUtils.hasTreeFillingConfigurationForDepth(getTable(), 0)) {
return;
}
if (style == null) {
style = NattablestyleFactory.eINSTANCE.createIntListValueStyle();
style.setName(NamedStyleConstants.HIDDEN_CATEGORY_FOR_DEPTH);
style.eSet(NattablestylePackage.eINSTANCE.getIntListValueStyle_IntListValue(), Collections.singleton(depth));
Command cmd = AddCommand.create(getTableEditingDomain(), getTable(), NattablestylePackage.eINSTANCE.getStyledElement_Styles(), Collections.singleton(style));
getTableEditingDomain().getCommandStack().execute(cmd);
return;
}
List<Integer> allValues = new ArrayList<Integer>();
if (style != null) {
allValues.addAll(style.getIntListValue());
}
if (allValues.contains(depth)) {
// nothing to do
return;
}
allValues.add(depth);
Collections.sort(allValues);
int index = allValues.indexOf(depth);
Command cmd = AddCommand.create(getTableEditingDomain(), style, NattablestylePackage.eINSTANCE.getIntListValueStyle_IntListValue(), depth, index);
getTableEditingDomain().getCommandStack().execute(cmd);
}
/**
*
* @param depth
* the depth to show
*/
protected void showCategory(Integer depth) {
IntListValueStyle style = StyleUtils.getHiddenDepthsValueStyle(getTable());
if (style == null) {
return;
}
List<Integer> newValues = new ArrayList<Integer>(new HashSet<Integer>(style.getIntListValue()));
newValues.remove(depth);
Command cmd;
if (newValues.isEmpty()) {
cmd = RemoveCommand.create(getTableEditingDomain(), getTable(), NattablestylePackage.eINSTANCE.getStyledElement_Styles(), style);
} else {
cmd = RemoveCommand.create(getTableEditingDomain(), style, NattablestylePackage.eINSTANCE.getIntListValueStyle_IntListValue(), depth);
}
getTableEditingDomain().getCommandStack().execute(cmd);
}
}
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