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/*******************************************************************************
* Copyright (c) 2004, 2006 QNX Software Systems 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:
* QNX Software Systems - initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.internal.ui.dialogs.cpaths;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.cdt.core.model.IPathEntry;
import org.eclipse.core.resources.IProject;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.viewers.ViewerSorter;
public class CPElementSorter extends ViewerSorter {
private static final int SOURCE = 0;
private static final int PROJECT = 1;
private static final int LIBRARY = 2;
private static final int CONTAINER = 3;
private static final int OTHER = 5;
/*
* @see ViewerSorter#category(Object)
*/
public int category(Object obj) {
if (obj instanceof CPElement) {
switch ( ((CPElement)obj).getEntryKind()) {
case IPathEntry.CDT_LIBRARY :
return LIBRARY;
case IPathEntry.CDT_PROJECT :
return PROJECT;
case IPathEntry.CDT_SOURCE :
return SOURCE;
case IPathEntry.CDT_CONTAINER :
return CONTAINER;
}
} else if (obj instanceof CPElementGroup) {
switch ( ((CPElementGroup)obj).getEntryKind()) {
case IPathEntry.CDT_LIBRARY :
return LIBRARY;
case IPathEntry.CDT_PROJECT :
return PROJECT;
case IPathEntry.CDT_SOURCE :
return SOURCE;
case IPathEntry.CDT_CONTAINER :
return CONTAINER;
case -1 :
if ( ((CPElementGroup)obj).getResource() instanceof IProject) {
return PROJECT;
}
}
}
return OTHER;
}
public void sort(Viewer viewer, Object[] elements) {
// include paths and symbol definitions must not be sorted
List sort = new ArrayList(elements.length);
List includes = new ArrayList(elements.length);
List syms = new ArrayList(elements.length);
for (int i = 0; i < elements.length; i++) {
if (elements[i] instanceof CPElement) {
CPElement element = (CPElement)elements[i];
if (element.getEntryKind() == IPathEntry.CDT_INCLUDE) {
includes.add(elements[i]);
} else if (element.getEntryKind() == IPathEntry.CDT_MACRO) {
syms.add(elements[i]);
} else {
sort.add(elements[i]);
}
} else {
sort.add(elements[i]);
}
}
System.arraycopy(sort.toArray(), 0, elements, 0, sort.size());
super.sort(viewer, elements);
System.arraycopy(includes.toArray(), 0, elements, sort.size(), includes.size());
System.arraycopy(syms.toArray(), 0, elements, sort.size() + includes.size(), syms.size());
}
}
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