org.eclipse.tracecompass.tmf.analysis.xml.ui/src/org/eclipse/linuxtools/internal/tmf/analysis/xml/ui/views/xychart/XmlXYView.java

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