org.eclipse.linuxtools.tmf.ui/src/org/eclipse/linuxtools/tmf/ui/views/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.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  * @version 1.0
  22  * @author Mathieu Denis
  23  * @see org.eclipse.jface.viewers.ITreeContentProvider
  24  */
  25 public class TmfTreeContentProvider implements ITreeContentProvider {
  26     /*
  27      * (non-Javadoc)
  28      *
  29      * @see org.eclipse.jface.viewers.ITreeContentProvider#getChildren(java.lang.Object)
  30      */
  31     @Override
  32     public Object[] getChildren(Object parentElement) {
  33         return ((TmfStatisticsTreeNode) parentElement).getChildren().toArray();
  34     }
  35
  36     /*
  37      * (non-Javadoc)
  38      *
  39      * @see org.eclipse.jface.viewers.ITreeContentProvider#getParent(java.lang.Object)
  40      */
  41     @Override
  42     public Object getParent(Object element) {
  43         return ((TmfStatisticsTreeNode) element).getParent();
  44     }
  45
  46     /*
  47      * (non-Javadoc)
  48      *
  49      * @see org.eclipse.jface.viewers.ITreeContentProvider#hasChildren(java.lang.Object)
  50      */
  51     @Override
  52     public boolean hasChildren(Object element) {
  53         return ((TmfStatisticsTreeNode) element).hasChildren();
  54     }
  55
  56     /*
  57      * (non-Javadoc)
  58      *
  59      * @see org.eclipse.jface.viewers.IStructuredContentProvider#getElements(java.lang.Object)
  60      */
  61     @Override
  62     public Object[] getElements(Object inputElement) {
  63         return getChildren(inputElement);
  64     }
  65
  66     /*
  67      * (non-Javadoc)
  68      *
  69      * @see org.eclipse.jface.viewers.IContentProvider#dispose()
  70      */
  71     @Override
  72     public void dispose() {
  73     }
  74
  75     /*
  76      * (non-Javadoc)
  77      *
  78      * @see org.eclipse.jface.viewers.IContentProvider#inputChanged(org.eclipse.jface.viewers.Viewer, java.lang.Object, java.lang.Object)
  79      */
  80     @Override
  81     public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
  82     }
  83 }