org.eclipse.tracecompass.tmf.ui/src/org/eclipse/linuxtools/tmf/ui/project/model/TraceFolderContentProvider.java

   1 /*******************************************************************************
   2  * Copyright (c) 2010, 2014 Ericsson
   3  *
   4  * All rights reserved. This program and the accompanying materials are
   5  * made available under the terms of the Eclipse Public License v1.0 which
   6  * accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *   Francois Chouinard - Initial API and implementation
  11  *   Patrick Tasse - Add support for folder elements
  12  *******************************************************************************/
  13
  14 package org.eclipse.linuxtools.tmf.ui.project.model;
  15
  16 import java.util.ArrayList;
  17 import java.util.List;
  18
  19 import org.eclipse.jface.viewers.IStructuredContentProvider;
  20 import org.eclipse.jface.viewers.Viewer;
  21
  22 /**
  23  * Content provider implementation for trace folders for tree viewers that display
  24  * the content of a trace folder.
  25  * <p>
  26  *
  27  * @version 1.0
  28  * @author Francois Chouinard
  29  */
  30 public class TraceFolderContentProvider implements IStructuredContentProvider {
  31
  32     @Override
  33     public Object[] getElements(Object inputElement) {
  34         if (inputElement instanceof TmfTraceFolder) {
  35             TmfTraceFolder folder = (TmfTraceFolder) inputElement;
  36             List<ITmfProjectModelElement> elements = new ArrayList<>();
  37             for (TmfTraceElement trace : folder.getTraces()) {
  38                 if (trace.getTraceType() != null) {
  39                     elements.add(trace);
  40                 }
  41             }
  42             return elements.toArray();
  43         }
  44         return null;
  45     }
  46
  47     @Override
  48     public void dispose() {
  49     }
  50
  51     @Override
  52     public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
  53     }
  54
  55 }