/* uDig - User Friendly Desktop Internet GIS client
* http://udig.refractions.net
* (C) 2004, Refractions Research Inc.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* (http://www.eclipse.org/legal/epl-v10.html), and the Refractions BSD
* License v1.0 (http://udig.refractions.net/files/bsd3-v10.html).
*/
package org.locationtech.udig.issues.internal.view;
import org.locationtech.udig.issues.Column;
import org.locationtech.udig.issues.IIssue;
import org.locationtech.udig.issues.IIssuesViewSorter;
import org.eclipse.jface.viewers.ContentViewer;
import org.eclipse.jface.viewers.IBaseLabelProvider;
import org.eclipse.jface.viewers.ITableLabelProvider;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.viewers.ViewerSorter;
/**
* Sort the viewer by one of the columns
*
* @author jones
* @since 1.0.0
*/
public class IssuesSorter implements IIssuesViewSorter {
public int compare( Viewer viewer, ViewerSorter defaultSorter, Column selectedColumn, boolean direction, Object e1, Object e2 ) {
if( !(e1 instanceof IIssue) )
return defaultSorter.compare(viewer, e1, e2);
IIssue issue1 = (IIssue) e1;
IIssue issue2 = (IIssue) e2;
if (!direction) {
issue1 = (IIssue) e2;
issue2 = (IIssue) e1;
}
if (viewer instanceof ContentViewer) {
ContentViewer tviewer = (ContentViewer) viewer;
IBaseLabelProvider provider = tviewer.getLabelProvider();
if (provider instanceof ITableLabelProvider) {
ITableLabelProvider tableProvider = (ITableLabelProvider) provider;
String text1 = tableProvider.getColumnText(issue1, IssuesView.columnToIndex(selectedColumn));
String text2 = tableProvider.getColumnText(issue2, IssuesView.columnToIndex(selectedColumn));
if (text1 != null && text2 != null) {
return defaultSorter.compare(viewer, text1, text2);
}
switch( selectedColumn ) {
case PRIORITY:
return defaultSorter.compare(null, ((IIssue) issue1).getPriority().ordinal(),
((IIssue) issue2).getPriority().ordinal());
case RESOLUTION:
return defaultSorter.compare(null, ((IIssue) issue1).getResolution().ordinal(),
((IIssue) issue2).getResolution().ordinal());
}
}
}
return defaultSorter.compare(viewer, issue1, issue2);
}
public String getExtensionID() {
return null;
}
public int category( ViewerSorter defaultSorter, Object element ) {
return defaultSorter.category(element);
}
public boolean isSorterProperty( ViewerSorter defaultSorter, Object element, String property ) {
return defaultSorter.isSorterProperty(element, property);
}
}