| 1 | /********************************************************************** |
| 2 | * Copyright (c) 2005, 2012 IBM Corporation, Ericsson |
| 3 | * All rights reserved. This program and the accompanying materials |
| 4 | * are made available under the terms of the Eclipse Public License v1.0 |
| 5 | * which accompanies this distribution, and is available at |
| 6 | * http://www.eclipse.org/legal/epl-v10.html |
| 7 | * |
| 8 | * Contributors: |
| 9 | * IBM - Initial API and implementation |
| 10 | * Bernd Hufmann - Updated for TMF |
| 11 | **********************************************************************/ |
| 12 | |
| 13 | package org.eclipse.linuxtools.tmf.ui.views.uml2sd.handlers; |
| 14 | |
| 15 | import java.util.Iterator; |
| 16 | |
| 17 | import org.eclipse.jface.action.Action; |
| 18 | import org.eclipse.jface.viewers.ISelection; |
| 19 | import org.eclipse.jface.viewers.ISelectionProvider; |
| 20 | import org.eclipse.jface.viewers.StructuredSelection; |
| 21 | import org.eclipse.linuxtools.internal.tmf.ui.ITmfImageConstants; |
| 22 | import org.eclipse.linuxtools.internal.tmf.ui.Activator; |
| 23 | import org.eclipse.linuxtools.tmf.ui.views.uml2sd.SDView; |
| 24 | import org.eclipse.linuxtools.tmf.ui.views.uml2sd.SDWidget; |
| 25 | import org.eclipse.linuxtools.tmf.ui.views.uml2sd.core.BaseMessage; |
| 26 | import org.eclipse.linuxtools.tmf.ui.views.uml2sd.core.GraphNode; |
| 27 | import org.eclipse.linuxtools.tmf.ui.views.uml2sd.core.SyncMessage; |
| 28 | import org.eclipse.linuxtools.tmf.ui.views.uml2sd.core.SyncMessageReturn; |
| 29 | |
| 30 | /** |
| 31 | * Action Class implementation to move to selected message |
| 32 | * |
| 33 | * @version 1.0 |
| 34 | * @author sveyrier |
| 35 | * |
| 36 | */ |
| 37 | public class MoveToMessage extends Action { |
| 38 | |
| 39 | // ------------------------------------------------------------------------ |
| 40 | // Constants |
| 41 | // ------------------------------------------------------------------------ |
| 42 | /** |
| 43 | * The action ID. |
| 44 | */ |
| 45 | public final static String ID = "org.eclipse.linuxtools.tmf.ui.views.uml2sd.handlers.GoToMessage"; //$NON-NLS-1$ |
| 46 | |
| 47 | // ------------------------------------------------------------------------ |
| 48 | // Attributes |
| 49 | // ------------------------------------------------------------------------ |
| 50 | /** |
| 51 | * The sequence diagram view reference. |
| 52 | */ |
| 53 | protected SDView fView = null; |
| 54 | |
| 55 | // ------------------------------------------------------------------------ |
| 56 | // Constructors |
| 57 | // ------------------------------------------------------------------------ |
| 58 | /** |
| 59 | * Default Constructor |
| 60 | */ |
| 61 | public MoveToMessage() { |
| 62 | this(null); |
| 63 | } |
| 64 | |
| 65 | /** |
| 66 | * Constructor |
| 67 | * |
| 68 | * @param view a sequence diagram view reference |
| 69 | */ |
| 70 | public MoveToMessage(SDView view) { |
| 71 | super(); |
| 72 | setId(ID); |
| 73 | setActionDefinitionId(ID); |
| 74 | setImageDescriptor(Activator.getDefault().getImageDescripterFromPath(ITmfImageConstants.IMG_UI_SEARCH_MATCH)); |
| 75 | fView = view; |
| 76 | } |
| 77 | |
| 78 | // ------------------------------------------------------------------------ |
| 79 | // Methods |
| 80 | // ------------------------------------------------------------------------ |
| 81 | |
| 82 | /* |
| 83 | * (non-Javadoc) |
| 84 | * @see org.eclipse.jface.action.Action#run() |
| 85 | */ |
| 86 | @Override |
| 87 | public void run() { |
| 88 | if (fView == null) { |
| 89 | return; |
| 90 | } |
| 91 | |
| 92 | SDWidget sdWidget = fView.getSDWidget(); |
| 93 | |
| 94 | if (sdWidget == null) { |
| 95 | return; |
| 96 | } |
| 97 | |
| 98 | ISelectionProvider selProvider = sdWidget.getSelectionProvider(); |
| 99 | ISelection sel = selProvider.getSelection(); |
| 100 | Object selectedNode = null; |
| 101 | Iterator<Object> it = ((StructuredSelection) sel).iterator(); |
| 102 | while (it.hasNext()) { |
| 103 | Object node = it.next(); |
| 104 | if (node instanceof BaseMessage) { |
| 105 | selectedNode = node; |
| 106 | } |
| 107 | } |
| 108 | |
| 109 | if (selectedNode == null) { |
| 110 | return; |
| 111 | } |
| 112 | |
| 113 | if (selectedNode instanceof SyncMessageReturn) { |
| 114 | GraphNode node = ((SyncMessageReturn) selectedNode).getMessage(); |
| 115 | sdWidget.clearSelection(); |
| 116 | sdWidget.addSelection(node); |
| 117 | sdWidget.ensureVisible(node); |
| 118 | // sdWidget.setFocusNode(node); |
| 119 | sdWidget.redraw(); |
| 120 | } else if (selectedNode instanceof SyncMessage) { |
| 121 | GraphNode node = ((SyncMessage) selectedNode).getMessageReturn(); |
| 122 | sdWidget.clearSelection(); |
| 123 | sdWidget.addSelection(node); |
| 124 | sdWidget.ensureVisible(node); |
| 125 | // sdWidget.setFocusNode(node); |
| 126 | sdWidget.redraw(); |
| 127 | } |
| 128 | } |
| 129 | |
| 130 | /** |
| 131 | * Sets the active SD view. |
| 132 | * |
| 133 | * @param view The SD view. |
| 134 | */ |
| 135 | public void setView(SDView view) { |
| 136 | fView = view; |
| 137 | } |
| 138 | } |