| 1 | /******************************************************************************* |
| 2 | * Copyright (c) 2010, 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 | * 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 | * This is the Content Provider of our tree |
| 23 | * |
| 24 | * @version 1.0 |
| 25 | * @author Yuriy Vashchuk |
| 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 | } |