/******************************************************************************* | |
* Copyright (c) 2000, 2010 IBM Corporation, See4sys and others. | |
* All rights reserved. This program and the accompanying materials | |
* are made available under the terms of the Eclipse Public License v2.0 | |
* which accompanies this distribution, and is available at | |
* https://www.eclipse.org/org/documents/epl-2.0/EPL-2.0.html | |
* | |
* Contributors: | |
* IBM Corporation - initial API and implementation | |
* See4sys - added support for problem markers on model objects (rather than | |
* only on workspace resources). Unfortunately, there was no other | |
* choice than copying the whole code from | |
* org.eclipse.ui.views.markers.internal for that purpose because | |
* many of the relevant classes, methods, and fields are private or | |
* package private. | |
*******************************************************************************/ | |
package org.eclipse.sphinx.emf.validation.ui.views; | |
import org.eclipse.jface.viewers.ITreeContentProvider; | |
import org.eclipse.jface.viewers.TreeViewer; | |
import org.eclipse.jface.viewers.Viewer; | |
/** | |
* The MarkerTreeContentProvider is the content provider for the marker trees. | |
* | |
* @since 0.7.0 | |
*/ | |
public class MarkerTreeContentProvider implements ITreeContentProvider { | |
TreeViewer viewer; | |
boolean hierarchalMode = true; | |
private MarkerAdapter adapter; | |
/** | |
* Create a new content provider for the view. | |
*/ | |
MarkerTreeContentProvider() { | |
} | |
/* | |
* (non-Javadoc) | |
* @see org.eclipse.jface.viewers.ITreeContentProvider#getChildren(java.lang.Object) | |
*/ | |
@Override | |
public Object[] getChildren(Object parentElement) { | |
if (parentElement instanceof MarkerNode) { | |
return ((MarkerNode) parentElement).getChildren(); | |
} | |
return Util.EMPTY_MARKER_ARRAY; | |
} | |
/* | |
* (non-Javadoc) | |
* @see org.eclipse.jface.viewers.ITreeContentProvider#getParent(java.lang.Object) | |
*/ | |
@Override | |
public Object getParent(Object element) { | |
if (element instanceof MarkerNode) { | |
return ((MarkerNode) element).getParent(); | |
} | |
return null; | |
} | |
/* | |
* (non-Javadoc) | |
* @see org.eclipse.jface.viewers.ITreeContentProvider#hasChildren(java.lang.Object) | |
*/ | |
@Override | |
public boolean hasChildren(Object element) { | |
if (element instanceof MarkerNode) { | |
return ((MarkerNode) element).getChildren().length > 0; | |
} | |
return false; | |
} | |
/* | |
* (non-Javadoc) | |
* @see org.eclipse.jface.viewers.IStructuredContentProvider#getElements(java.lang.Object) | |
*/ | |
@Override | |
public Object[] getElements(Object inputElement) { | |
return adapter.getElements(); | |
} | |
/* | |
* (non-Javadoc) | |
* @see org.eclipse.jface.viewers.IContentProvider#dispose() | |
*/ | |
@Override | |
public void dispose() { | |
// Nothing to do here. | |
} | |
/* | |
* (non-Javadoc) | |
* @see org.eclipse.jface.viewers.IContentProvider#inputChanged(org.eclipse.jface.viewers.Viewer, java.lang.Object, | |
* java.lang.Object) | |
*/ | |
@Override | |
public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { | |
this.viewer = (TreeViewer) viewer; | |
adapter = (MarkerAdapter) newInput; | |
} | |
} |