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/*******************************************************************************
* Copyright (c) 2000, 2003 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Common Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/cpl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.debug.internal.ui.views.breakpoints;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.debug.core.model.IBreakpoint;
import org.eclipse.debug.core.model.ILineBreakpoint;
import org.eclipse.debug.internal.ui.DebugUIPlugin;
import org.eclipse.jface.viewers.IBasicPropertyConstants;
import org.eclipse.jface.viewers.ILabelProvider;
import org.eclipse.jface.viewers.StructuredViewer;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.viewers.ViewerSorter;
public class BreakpointsSorter extends ViewerSorter {
/**
* @see ViewerSorter#isSorterProperty(Object, String)
*/
public boolean isSorterProperty(Object element,String propertyId) {
return propertyId.equals(IBasicPropertyConstants.P_TEXT);
}
/**
* Returns a negative, zero, or positive number depending on whether
* the first element is less than, equal to, or greater than
* the second element.
* <p>
* Group breakpoints by debug model
* within debug model, group breakpoints by type
* within type groups, sort by line number (if applicable) and then
* alphabetically by label
*
* @param viewer the viewer
* @param e1 the first element
* @param e2 the second element
* @return a negative number if the first element is less than the
* second element; the value <code>0</code> if the first element is
* equal to the second element; and a positive number if the first
* element is greater than the second element
*/
public int compare(Viewer viewer, Object e1, Object e2) {
IBreakpoint b1= (IBreakpoint)e1;
IBreakpoint b2= (IBreakpoint)e2;
String modelId1= b1.getModelIdentifier();
String modelId2= b2.getModelIdentifier();
int result= modelId1.compareTo(modelId2);
if (result != 0) {
return result;
}
String type1= ""; //$NON-NLS-1$
String type2= ""; //$NON-NLS-1$
try {
type1= b1.getMarker().getType();
} catch (CoreException ce) {
DebugUIPlugin.log(ce);
}
try {
type2= b2.getMarker().getType();
} catch (CoreException e) {
DebugUIPlugin.log(e);
}
result= type1.compareTo(type2);
if (result != 0) {
return result;
}
// model and type are the same
ILabelProvider lprov = (ILabelProvider) ((StructuredViewer)viewer).getLabelProvider();
String name1= lprov.getText(e1);
String name2= lprov.getText(e2);
boolean lineBreakpoint= false;
try {
lineBreakpoint= b1.getMarker().isSubtypeOf(IBreakpoint.LINE_BREAKPOINT_MARKER);
} catch (CoreException ce) {
DebugUIPlugin.log(ce);
}
if (lineBreakpoint) {
return compareLineBreakpoints(b1, b2, name1,name2);
}
return name1.compareTo(name2);
}
protected int compareLineBreakpoints(IBreakpoint b1, IBreakpoint b2, String name1, String name2) {
int colon1= name1.indexOf(':');
if (colon1 != -1) {
int colon2= name2.indexOf(':');
if (colon2 != -1) {
String upToColon1= name1.substring(0, colon1);
if (name2.startsWith(upToColon1)) {
int l1= 0;
int l2= 0;
try {
l1= ((ILineBreakpoint)b1).getLineNumber();
} catch (CoreException e) {
DebugUIPlugin.log(e);
}
try {
l2= ((ILineBreakpoint)b2).getLineNumber();
} catch (CoreException e) {
DebugUIPlugin.log(e);
}
return l1 - l2;
}
}
}
return name1.compareTo(name2);
}
}
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