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/*******************************************************************************
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* Copyright (c) 2003, 2010 IBM Corporation and others.
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* All rights reserved. This program and the accompanying materials
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* are made available under the terms of the Eclipse Public License v1.0
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* which accompanies this distribution, and is available at
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* http://www.eclipse.org/legal/epl-v10.html
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*
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* Contributors:
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* IBM Corporation - initial API and implementation
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*******************************************************************************/
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package org.eclipse.ui.internal.navigator.filters;
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import org.eclipse.jface.viewers.IStructuredContentProvider;
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import org.eclipse.jface.viewers.Viewer;
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import org.eclipse.ui.internal.navigator.NavigatorFilterService;
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import org.eclipse.ui.navigator.INavigatorContentService;
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/**
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*
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* <p>
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* <strong>EXPERIMENTAL</strong>. This class or interface has been added as part of a work in
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* progress. There is a guarantee neither that this API will work nor that it will remain the same.
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* Please do not use this API without consulting with the Platform/UI team.
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* </p>
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*
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* @since 3.2
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*
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*/
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public class CommonFilterContentProvider implements IStructuredContentProvider {
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private INavigatorContentService contentService;
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private Object[] NO_ELEMENTS = new Object[0];
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public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
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if (newInput instanceof INavigatorContentService) {
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contentService = (INavigatorContentService) newInput;
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}
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}
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/*
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* (non-Javadoc)
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*
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* @see org.eclipse.jface.viewers.IStructuredContentProvider#getElements(java.lang.Object)
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*/
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public Object[] getElements(Object inputElement) {
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if(contentService != null) {
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NavigatorFilterService filterService = (NavigatorFilterService) contentService.getFilterService();
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return filterService.getVisibleFilterDescriptorsForUI();
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}
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return NO_ELEMENTS ;
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}
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/*
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* (non-Javadoc)
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*
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* @see org.eclipse.jface.viewers.IContentProvider#dispose()
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*/
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public void dispose() {
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}
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}
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