org.eclipse.linuxtools.tmf.ui/src/org/eclipse/linuxtools/tmf/ui/viewers/statistics/model/TmfTreeContentProvider.java

   1 /*******************************************************************************
   2  * Copyright (c) 2011, 2012 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  *   Mathieu Denis <mathieu.denis@polymtl.ca> - Initial API
  11  *******************************************************************************/
  12
  13 package org.eclipse.linuxtools.tmf.ui.viewers.statistics.model;
  14
  15 import org.eclipse.jface.viewers.ITreeContentProvider;
  16 import org.eclipse.jface.viewers.Viewer;
  17
  18 /**
  19  * Adapter TreeViewers can use to interact with StatisticsTreeNode objects.
  20  *
  21  * @version 2.0
  22  * @since 2.0
  23  * @author Mathieu Denis
  24  * @see org.eclipse.jface.viewers.ITreeContentProvider
  25  */
  26 public class TmfTreeContentProvider implements ITreeContentProvider {
  27
  28     /*
  29      * (non-Javadoc)
  30      *
  31      * @see org.eclipse.jface.viewers.ITreeContentProvider#getChildren(java.lang.Object)
  32      */
  33     @Override
  34     public Object[] getChildren(Object parentElement) {
  35         return ((TmfStatisticsTreeNode) parentElement).getChildren().toArray();
  36     }
  37
  38     /*
  39      * (non-Javadoc)
  40      *
  41      * @see org.eclipse.jface.viewers.ITreeContentProvider#getParent(java.lang.Object)
  42      */
  43     @Override
  44     public Object getParent(Object element) {
  45         return ((TmfStatisticsTreeNode) element).getParent();
  46     }
  47
  48     /*
  49      * (non-Javadoc)
  50      *
  51      * @see org.eclipse.jface.viewers.ITreeContentProvider#hasChildren(java.lang.Object)
  52      */
  53     @Override
  54     public boolean hasChildren(Object element) {
  55         return ((TmfStatisticsTreeNode) element).hasChildren();
  56     }
  57
  58     /*
  59      * (non-Javadoc)
  60      *
  61      * @see org.eclipse.jface.viewers.IStructuredContentProvider#getElements(java.lang.Object)
  62      */
  63     @Override
  64     public Object[] getElements(Object inputElement) {
  65         return getChildren(inputElement);
  66     }
  67
  68     /*
  69      * (non-Javadoc)
  70      *
  71      * @see org.eclipse.jface.viewers.IContentProvider#dispose()
  72      */
  73     @Override
  74     public void dispose() {
  75     }
  76
  77     /*
  78      * (non-Javadoc)
  79      *
  80      * @see org.eclipse.jface.viewers.IContentProvider#inputChanged(org.eclipse.jface.viewers.Viewer, java.lang.Object, java.lang.Object)
  81      */
  82     @Override
  83     public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
  84     }
  85 }