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/*******************************************************************************
* Copyright (c) 2000, 2004 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 java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import org.eclipse.debug.core.DebugPlugin;
import org.eclipse.debug.core.IBreakpointManager;
import org.eclipse.debug.core.model.IBreakpoint;
import org.eclipse.jface.viewers.ITreeContentProvider;
import org.eclipse.jface.viewers.Viewer;
public class BreakpointsViewContentProvider implements ITreeContentProvider {
private List fBreakpointContainerFactories= new ArrayList();
private Map fParentMap= new HashMap();
public BreakpointsViewContentProvider() {
fBreakpointContainerFactories.add(BreakpointContainerFactoryManager.getDefault().getFactory("org.eclipse.debug.ui.breakpointTypeContainerFactory"));
fBreakpointContainerFactories.add(BreakpointContainerFactoryManager.getDefault().getFactory("org.eclipse.debug.ui.breakpointProjectContainerFactory"));
fBreakpointContainerFactories.add(BreakpointContainerFactoryManager.getDefault().getFactory("org.eclipse.debug.ui.breakpointFileContainerFactory"));
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.IStructuredContentProvider#getElements(java.lang.Object)
*/
public Object[] getElements(Object parent) {
Object children[];
IBreakpoint[] breakpoints = DebugPlugin.getDefault().getBreakpointManager().getBreakpoints();
if (fBreakpointContainerFactories.isEmpty()) {
children= breakpoints;
} else if (parent instanceof IBreakpointManager) {
IBreakpointContainerFactory factory = (IBreakpointContainerFactory) fBreakpointContainerFactories.get(0);
children= factory.getContainers(breakpoints, "");
} else if (parent instanceof IBreakpointContainer) {
IBreakpointContainer container = ((IBreakpointContainer) parent);
IBreakpointContainerFactory parentFactory = container.getParentFactory();
int index = fBreakpointContainerFactories.indexOf(parentFactory);
if (index == -1) {
children= new Object[0];
} else if (index == fBreakpointContainerFactories.size() - 1) {
// last container level
children= container.getBreakpoints();
} else {
IBreakpointContainerFactory nextFactory = (IBreakpointContainerFactory) fBreakpointContainerFactories.get(index + 1);
children= nextFactory.getContainers(container.getBreakpoints(), getParentId(container));
}
} else {
children= new Object[0];
}
for (int i = 0; i < children.length; i++) {
fParentMap.put(children[i], parent);
}
return children;
}
public String getParentId(IBreakpointContainer container) {
Object parent= getParent(container);
if (parent instanceof IBreakpointContainer) {
return getParentId((IBreakpointContainer) parent) + '.' + container.getName();
} else if (parent instanceof IBreakpointManager) {
return container.getName();
}
return "";
}
public void setBreakpointContainerFactories(List factories) {
Iterator iter = fBreakpointContainerFactories.iterator();
while (iter.hasNext()) {
((IBreakpointContainerFactory) iter.next()).dispose();
}
fBreakpointContainerFactories= factories;
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.IContentProvider#dispose()
*/
public void dispose() {
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.IContentProvider#inputChanged(org.eclipse.jface.viewers.Viewer, java.lang.Object, java.lang.Object)
*/
public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
fParentMap.clear();
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.ITreeContentProvider#getChildren(java.lang.Object)
*/
public Object[] getChildren(Object parentElement) {
return getElements(parentElement);
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.ITreeContentProvider#getParent(java.lang.Object)
*/
public Object getParent(Object element) {
return fParentMap.get(element);
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.ITreeContentProvider#hasChildren(java.lang.Object)
*/
public boolean hasChildren(Object element) {
return element instanceof IBreakpointContainer;
}
}
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