| 1 | /******************************************************************************* |
| 2 | * Copyright (c) 2013, 2014 Kalray |
| 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 | * Xavier Raynaud - Initial API and implementation |
| 11 | *******************************************************************************/ |
| 12 | |
| 13 | package org.eclipse.tracecompass.tmf.ui.views.filter; |
| 14 | |
| 15 | import org.eclipse.jface.util.LocalSelectionTransfer; |
| 16 | import org.eclipse.jface.viewers.ISelection; |
| 17 | import org.eclipse.jface.viewers.IStructuredSelection; |
| 18 | import org.eclipse.swt.dnd.DND; |
| 19 | import org.eclipse.swt.dnd.DragSourceAdapter; |
| 20 | import org.eclipse.swt.dnd.DragSourceEvent; |
| 21 | import org.eclipse.tracecompass.tmf.core.filter.model.ITmfFilterTreeNode; |
| 22 | |
| 23 | /** |
| 24 | * DragSourceListener for filter view |
| 25 | * @author Xavier Raynaud <xavier.raynaud@kalray.eu> |
| 26 | */ |
| 27 | class FilterDragSourceAdapter extends DragSourceAdapter { |
| 28 | |
| 29 | private FilterViewer fViewer; |
| 30 | |
| 31 | /** |
| 32 | * Constructor |
| 33 | * |
| 34 | * @param viewer |
| 35 | * the content of the FilterView |
| 36 | */ |
| 37 | public FilterDragSourceAdapter(FilterViewer viewer) { |
| 38 | super(); |
| 39 | this.fViewer = viewer; |
| 40 | } |
| 41 | |
| 42 | @Override |
| 43 | public void dragStart(DragSourceEvent event) { |
| 44 | ISelection s = fViewer.getTreeViewer().getSelection(); |
| 45 | LocalSelectionTransfer.getTransfer().setSelection(s); |
| 46 | LocalSelectionTransfer.getTransfer().setSelectionSetTime(event.time & 0xFFFFFFFFL); |
| 47 | } |
| 48 | |
| 49 | @Override |
| 50 | public void dragSetData(DragSourceEvent event) { |
| 51 | event.data = LocalSelectionTransfer.getTransfer().getSelection(); |
| 52 | } |
| 53 | |
| 54 | @Override |
| 55 | public void dragFinished(DragSourceEvent event) { |
| 56 | if (event.detail == DND.DROP_MOVE) { |
| 57 | IStructuredSelection selection = (IStructuredSelection) LocalSelectionTransfer.getTransfer().getSelection(); |
| 58 | for (Object data : selection.toList()) { |
| 59 | if (data instanceof ITmfFilterTreeNode) { |
| 60 | ITmfFilterTreeNode e = (ITmfFilterTreeNode) data; |
| 61 | e.remove(); |
| 62 | fViewer.refresh(); |
| 63 | } |
| 64 | } |
| 65 | } |
| 66 | LocalSelectionTransfer.getTransfer().setSelection(null); |
| 67 | LocalSelectionTransfer.getTransfer().setSelectionSetTime(0); |
| 68 | } |
| 69 | |
| 70 | } |