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/*******************************************************************************
* Copyright (c) 2003 - 2005 University Of British Columbia 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:
* University Of British Columbia - initial API and implementation
*******************************************************************************/
package org.eclipse.mylar.bugzilla.search;
import org.eclipse.core.resources.IMarker;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.viewers.ViewerSorter;
import org.eclipse.mylar.bugzilla.IBugzillaConstants;
/**
* Sorts results of Bugzilla search by bug priority.
*/
public class BugzillaPrioritySearchSorter extends ViewerSorter {
/**
* Returns a negative, zero, or positive number depending on whether the
* first bug's priority goes before, is the same as, or goes after the
* second element's priority.
* <p>
*
* @see org.eclipse.jface.viewers.ViewerSorter#compare(org.eclipse.jface.viewers.Viewer,
* java.lang.Object, java.lang.Object)
*/
@Override
public int compare(Viewer viewer, Object e1, Object e2) {
try {
// cast the object and get the bugs priority
IMarker entry1 = (IMarker) e1;
Integer pr1 = (Integer) entry1.getAttribute(
IBugzillaConstants.HIT_MARKER_ATTR_PRIORITY);
// cast the other object and get the bugs priority
IMarker entry2 = (IMarker) e2;
Integer pr2 = (Integer) entry2.getAttribute(
IBugzillaConstants.HIT_MARKER_ATTR_PRIORITY);
// if neither is null, compare the bug priority
if (pr1 != null && pr2 != null) {
return pr1.compareTo(pr2);
}
}
catch (Exception ignored) {
// do nothing
}
// if that didn't work, use the default compare method
return super.compare(viewer, e1, e2);
}
/**
* Returns the category of the given element. The category is a number used
* to allocate elements to bins; the bins are arranged in ascending numeric
* order. The elements within a bin are arranged via a second level sort
* criterion.
* <p>
*
* @see org.eclipse.jface.viewers.ViewerSorter#category(Object)
*/
@Override
public int category(Object element) {
try {
IMarker marker = (IMarker) element;
// return the bugs id
if (marker.getType().equals(IBugzillaConstants.HIT_MARKER_ID)) {
return ((Integer)marker.getAttribute(IBugzillaConstants.HIT_MARKER_ATTR_ID)).intValue();
}
}
catch (Exception ignored) {
// ignore if there is a problem
}
// if that didn't work, use the default category method
return super.category(element);
}
}
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