| 1 | /******************************************************************************* |
| 2 | * Copyright (c) 2014, 2015 École Polytechnique de Montréal |
| 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 | * Geneviève Bastien - Initial API and implementation |
| 11 | *******************************************************************************/ |
| 12 | |
| 13 | package org.eclipse.tracecompass.internal.tmf.analysis.xml.ui.views.xychart; |
| 14 | |
| 15 | import org.eclipse.jdt.annotation.Nullable; |
| 16 | import org.eclipse.jface.util.IPropertyChangeListener; |
| 17 | import org.eclipse.jface.util.PropertyChangeEvent; |
| 18 | import org.eclipse.swt.widgets.Composite; |
| 19 | import org.eclipse.swt.widgets.Display; |
| 20 | import org.eclipse.tracecompass.common.core.NonNullUtils; |
| 21 | import org.eclipse.tracecompass.internal.tmf.analysis.xml.ui.TmfXmlUiStrings; |
| 22 | import org.eclipse.tracecompass.internal.tmf.analysis.xml.ui.views.XmlViewInfo; |
| 23 | import org.eclipse.tracecompass.tmf.ui.viewers.xycharts.TmfXYChartViewer; |
| 24 | import org.eclipse.tracecompass.tmf.ui.views.TmfChartView; |
| 25 | import org.eclipse.tracecompass.tmf.ui.views.TmfViewFactory; |
| 26 | import org.w3c.dom.Element; |
| 27 | |
| 28 | /** |
| 29 | * This view displays state system data in an xy chart. It uses an XML |
| 30 | * {@link TmfXmlUiStrings#XY_VIEW} element from an XML file. This element |
| 31 | * defines which entries from the state system will be shown and also gives |
| 32 | * additional information on the presentation of the view. |
| 33 | * |
| 34 | * @author Geneviève Bastien |
| 35 | */ |
| 36 | public class XmlXYView extends TmfChartView { |
| 37 | |
| 38 | /** View ID. */ |
| 39 | public static final String ID = "org.eclipse.linuxtools.internal.tmf.analysis.xml.ui.views.xyview"; //$NON-NLS-1$ |
| 40 | |
| 41 | private final XmlViewInfo fViewInfo = new XmlViewInfo(ID); |
| 42 | |
| 43 | /** |
| 44 | * Default constructor |
| 45 | */ |
| 46 | public XmlXYView() { |
| 47 | super(Messages.XmlXYView_DefaultTitle); |
| 48 | |
| 49 | this.addPartPropertyListener(new IPropertyChangeListener() { |
| 50 | @Override |
| 51 | public void propertyChange(@Nullable PropertyChangeEvent event) { |
| 52 | if (event == null) { |
| 53 | return; |
| 54 | } |
| 55 | if (event.getProperty().equals(TmfXmlUiStrings.XML_OUTPUT_DATA)) { |
| 56 | Object newValue = event.getNewValue(); |
| 57 | if (newValue instanceof String) { |
| 58 | fViewInfo.setViewData((String) newValue); |
| 59 | setViewTitle(); |
| 60 | TmfXYChartViewer viewer = getChartViewer(); |
| 61 | if (viewer instanceof XmlXYViewer) { |
| 62 | ((XmlXYViewer) viewer).viewInfoUpdated(); |
| 63 | } |
| 64 | |
| 65 | } |
| 66 | } |
| 67 | } |
| 68 | |
| 69 | }); |
| 70 | } |
| 71 | |
| 72 | private void setViewTitle() { |
| 73 | /* |
| 74 | * Get the view element from the XML file. If the element can't be |
| 75 | * found, return. |
| 76 | */ |
| 77 | Element viewElement = fViewInfo.getViewElement(TmfXmlUiStrings.XY_VIEW); |
| 78 | if (viewElement == null) { |
| 79 | return; |
| 80 | } |
| 81 | |
| 82 | String title = fViewInfo.getViewTitle(viewElement); |
| 83 | if (title == null) { |
| 84 | title = Messages.XmlXYView_DefaultTitle; |
| 85 | } |
| 86 | final String viewTitle = title; |
| 87 | Display.getDefault().asyncExec(new Runnable() { |
| 88 | @Override |
| 89 | public void run() { |
| 90 | setPartName(viewTitle); |
| 91 | } |
| 92 | }); |
| 93 | } |
| 94 | |
| 95 | @Override |
| 96 | public void createPartControl(@Nullable Composite parent) { |
| 97 | super.createPartControl(parent); |
| 98 | fViewInfo.setName(NonNullUtils.checkNotNull(TmfViewFactory.getBaseSecId(getViewSite().getSecondaryId()))); |
| 99 | setViewTitle(); |
| 100 | } |
| 101 | |
| 102 | @Override |
| 103 | protected TmfXYChartViewer createChartViewer(@Nullable Composite parent) { |
| 104 | return new XmlXYViewer(parent, fViewInfo); |
| 105 | } |
| 106 | |
| 107 | } |