org.eclipse.linuxtools.tmf.ui/src/org/eclipse/linuxtools/tmf/ui/views/filter/FilterTreeContentProvider.java

   1 /*******************************************************************************
   2  * Copyright (c) 2010 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  *   Yuriy Vashchuk - Initial API and implementation
  11  *******************************************************************************/
  12
  13 package org.eclipse.linuxtools.tmf.ui.views.filter;
  14
  15 import java.util.ArrayList;
  16
  17 import org.eclipse.jface.viewers.ITreeContentProvider;
  18 import org.eclipse.jface.viewers.Viewer;
  19 import org.eclipse.linuxtools.tmf.core.filter.model.ITmfFilterTreeNode;
  20
  21 /**
  22  * <b><u>FilterTreeContentProvider</u></b>
  23  * <p>
  24  * This is the Content Provider of our tree
  25  * <p>
  26  */
  27 public class FilterTreeContentProvider implements ITreeContentProvider {
  28
  29         /*
  30          * (non-Javadoc)
  31          * @see org.eclipse.jface.viewers.IContentProvider#dispose()
  32          */
  33         @Override
  34     public void dispose() {
  35                 // TODO Auto-generated method stub
  36         }
  37
  38         /*
  39          * (non-Javadoc)
  40          * @see org.eclipse.jface.viewers.IContentProvider#inputChanged(org.eclipse.jface.viewers.Viewer, java.lang.Object, java.lang.Object)
  41          */
  42         @Override
  43     public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
  44                 // TODO Auto-generated method stub
  45         }
  46
  47         /*
  48          * (non-Javadoc)
  49          * @see org.eclipse.jface.viewers.ITreeContentProvider#getElements(java.lang.Object)
  50          */
  51         @Override
  52     public Object[] getElements(Object inputElement) {
  53                 if (inputElement instanceof ITmfFilterTreeNode) {
  54                         ArrayList<ITmfFilterTreeNode> result = new ArrayList<ITmfFilterTreeNode>();
  55                         for(int i = 0; i < ((ITmfFilterTreeNode)inputElement).getChildrenCount(); i++) {
  56                                 result.add(((ITmfFilterTreeNode)inputElement).getChild(i));
  57                         }
  58
  59                         return result.toArray();
  60                 }
  61         return null;
  62         }
  63
  64         /*
  65          * (non-Javadoc)
  66          * @see org.eclipse.jface.viewers.ITreeContentProvider#getChildren(java.lang.Object)
  67          */
  68         @Override
  69     public Object[] getChildren(Object parentElement) {
  70                 ArrayList<ITmfFilterTreeNode> result = new ArrayList<ITmfFilterTreeNode>();
  71                 for(int i = 0; i < ((ITmfFilterTreeNode)parentElement).getChildrenCount(); i++) {
  72                         result.add(((ITmfFilterTreeNode)parentElement).getChild(i));
  73                 }
  74                 return result.toArray();
  75         }
  76
  77         /*
  78          * (non-Javadoc)
  79          * @see org.eclipse.jface.viewers.ITreeContentProvider#getParent(java.lang.Object)
  80          */
  81         @Override
  82     public Object getParent(Object element) {
  83                 return ((ITmfFilterTreeNode) element).getParent();
  84         }
  85
  86         /*
  87          * (non-Javadoc)
  88          * @see org.eclipse.jface.viewers.ITreeContentProvider#hasChildren(java.lang.Object)
  89          */
  90         @Override
  91     public boolean hasChildren(Object element) {
  92                 return ((ITmfFilterTreeNode) element).hasChildren();
  93         }
  94
  95 }