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

   1 /*******************************************************************************
   2  * Copyright (c) 2011 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.views.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  * @see org.eclipse.jface.viewers.ITreeContentProvider
  22  */
  23 public class TmfTreeContentProvider implements ITreeContentProvider {
  24     /*
  25      * (non-Javadoc)
  26      *
  27      * @see org.eclipse.jface.viewers.ITreeContentProvider#getChildren(java.lang.Object)
  28      */
  29     @Override
  30     public Object[] getChildren(Object parentElement) {
  31         return ((TmfStatisticsTreeNode) parentElement).getChildren().toArray();
  32     }
  33
  34     /*
  35      * (non-Javadoc)
  36      *
  37      * @see org.eclipse.jface.viewers.ITreeContentProvider#getParent(java.lang.Object)
  38      */
  39     @Override
  40     public Object getParent(Object element) {
  41         return ((TmfStatisticsTreeNode) element).getParent();
  42     }
  43
  44     /*
  45      * (non-Javadoc)
  46      *
  47      * @see org.eclipse.jface.viewers.ITreeContentProvider#hasChildren(java.lang.Object)
  48      */
  49     @Override
  50     public boolean hasChildren(Object element) {
  51         return ((TmfStatisticsTreeNode) element).hasChildren();
  52     }
  53
  54     /*
  55      * (non-Javadoc)
  56      *
  57      * @see org.eclipse.jface.viewers.IStructuredContentProvider#getElements(java.lang.Object)
  58      */
  59     @Override
  60     public Object[] getElements(Object inputElement) {
  61         return getChildren(inputElement);
  62     }
  63
  64     /*
  65      * (non-Javadoc)
  66      *
  67      * @see org.eclipse.jface.viewers.IContentProvider#dispose()
  68      */
  69     @Override
  70     public void dispose() {
  71     }
  72
  73     /*
  74      * (non-Javadoc)
  75      *
  76      * @see org.eclipse.jface.viewers.IContentProvider#inputChanged(org.eclipse.jface.viewers.Viewer, java.lang.Object, java.lang.Object)
  77      */
  78     @Override
  79     public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
  80     }
  81 }