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/*****************************************************************************
* Copyright (c) 2013 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:
* Vincent Lorenzo (CEA LIST) vincent.lorenzo@cea.fr - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.infra.nattable.utils;
import java.util.Comparator;
import org.eclipse.jface.viewers.ILabelProvider;
import org.eclipse.nebula.widgets.nattable.config.IConfigRegistry;
import org.eclipse.nebula.widgets.nattable.style.DisplayMode;
import org.eclipse.papyrus.infra.nattable.model.nattable.nattableaxis.IAxis;
import org.eclipse.papyrus.infra.services.labelprovider.service.LabelProviderService;
/**
* The comparator used to sort IAxis
*
* @author Vincent Lorenzo
*
*/
public class AxisComparator implements Comparator<IAxis> {
/**
* indicates the direction of the sort
*/
private boolean alphabeticOrder;
/**
* the config registry is used to find the label provider service
*/
private IConfigRegistry configRegistry;
private LabelProviderContextElementWrapper wrapper1;
private LabelProviderContextElementWrapper wrapper2;
/**
*
* Constructor.
*
* @param alphabeticOrder
* indicates the direction of the sort
* @param configRegistry
* the config registry used by the table
*/
public AxisComparator(boolean alphabticOrder, final IConfigRegistry configRegistry) {
this.alphabeticOrder = alphabticOrder;
this.configRegistry = configRegistry;
wrapper1 = new LabelProviderContextElementWrapper();
wrapper2 = new LabelProviderContextElementWrapper();
wrapper1.setConfigRegistry(configRegistry);
wrapper2.setConfigRegistry(configRegistry);
}
/**
* Compare 2 {@link IAxis}
*
* @see java.util.Comparator#compare(java.lang.Object, java.lang.Object)
*
* @param arg0
* @param arg1
* @return
*/
@Override
public int compare(IAxis arg0, IAxis arg1) {
final LabelProviderService serv = this.configRegistry.getConfigAttribute(NattableConfigAttributes.LABEL_PROVIDER_SERVICE_CONFIG_ATTRIBUTE, DisplayMode.NORMAL, NattableConfigAttributes.LABEL_PROVIDER_SERVICE_ID);
wrapper1.setObject(arg0);
wrapper2.setObject(arg1);
final ILabelProvider provider = serv.getLabelProvider(Constants.HEADER_LABEL_PROVIDER_CONTEXT);
final String str1 = provider.getText(wrapper1).replaceAll(AxisUtils.REGEX, "");// we keep only words characters (letters + numbers) + whitespace //$NON-NLS-1$
final String str2 = provider.getText(wrapper2).replaceAll(AxisUtils.REGEX, ""); //$NON-NLS-1$
if (this.alphabeticOrder) {
return str1.compareToIgnoreCase(str2);
}
return str2.compareToIgnoreCase(str1);
}
/**
*
* @param serv
* the label provider service
* @param obj
* the object for which we want the displayed text
* @return
*
* @Deprecated since Eclipse Mars
*/
@Deprecated
protected String getText(final LabelProviderService serv, final Object obj) {
final ILabelProvider provider = serv.getLabelProvider(Constants.HEADER_LABEL_PROVIDER_CONTEXT);
LabelProviderContextElementWrapper wrapper = new LabelProviderContextElementWrapper();
wrapper.setConfigRegistry(this.configRegistry);
wrapper.setObject(obj);
return provider.getText(wrapper);
}
}
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