org.eclipse.linuxtools.tmf.ui/src/org/eclipse/linuxtools/tmf/ui/project/model/TmfNavigatorLabelProvider.java

   1 /*******************************************************************************
   2  * Copyright (c) 2011, 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  *   Francois Chouinard - Initial API and implementation
  11  *******************************************************************************/
  12
  13 package org.eclipse.linuxtools.tmf.ui.project.model;
  14
  15 import java.net.URL;
  16
  17 import org.eclipse.core.runtime.CoreException;
  18 import org.eclipse.core.runtime.Platform;
  19 import org.eclipse.jface.resource.ImageDescriptor;
  20 import org.eclipse.jface.viewers.ILabelProviderListener;
  21 import org.eclipse.linuxtools.internal.tmf.ui.Activator;
  22 import org.eclipse.linuxtools.tmf.core.TmfCommonConstants;
  23 import org.eclipse.swt.graphics.Image;
  24 import org.eclipse.ui.IMemento;
  25 import org.eclipse.ui.ISharedImages;
  26 import org.eclipse.ui.PlatformUI;
  27 import org.eclipse.ui.navigator.ICommonContentExtensionSite;
  28 import org.eclipse.ui.navigator.ICommonLabelProvider;
  29 import org.osgi.framework.Bundle;
  30
  31 /**
  32  * The TMF project label provider for the tree viewer in the project explorer view.
  33  * <p>
  34  * @version 1.0
  35  * @author Francois Chouinard
  36  */
  37 public class TmfNavigatorLabelProvider implements ICommonLabelProvider {
  38
  39     // ------------------------------------------------------------------------
  40     // Constants
  41     // ------------------------------------------------------------------------
  42
  43     private static final Image fFolderIcon = PlatformUI.getWorkbench().getSharedImages().getImage(ISharedImages.IMG_OBJ_FOLDER);
  44     private static final String fTraceIconFile = "icons/elcl16/trace.gif"; //$NON-NLS-1$
  45     private static final String fExperimentIconFile = "icons/elcl16/experiment.gif"; //$NON-NLS-1$
  46
  47     // ------------------------------------------------------------------------
  48     // Attributes
  49     // ------------------------------------------------------------------------
  50
  51     private final Image fTraceFolderIcon = fFolderIcon;
  52     private final Image fExperimentFolderIcon = fFolderIcon;
  53
  54     private final Image fDefaultTraceIcon;
  55     private final Image fExperimentIcon;
  56
  57     // ------------------------------------------------------------------------
  58     // Constructors
  59     // ------------------------------------------------------------------------
  60
  61     /**
  62      * Constructor.
  63      *
  64      * Creates the TMF navigator content provider.
  65      */
  66     public TmfNavigatorLabelProvider() {
  67         Bundle bundle = Activator.getDefault().getBundle();
  68         fDefaultTraceIcon = loadIcon(bundle, fTraceIconFile);
  69         fExperimentIcon = loadIcon(bundle, fExperimentIconFile);
  70     }
  71
  72     private Image loadIcon(Bundle bundle, String url) {
  73         Activator plugin = Activator.getDefault();
  74         String key = bundle.getSymbolicName() + "/" + url; //$NON-NLS-1$
  75         Image icon = plugin.getImageRegistry().get(key);
  76         if (icon == null) {
  77             URL imageURL = bundle.getResource(url);
  78             ImageDescriptor descriptor = ImageDescriptor.createFromURL(imageURL);
  79             icon = descriptor.createImage();
  80             plugin.getImageRegistry().put(key, icon);
  81         }
  82         return icon;
  83     }
  84
  85     // ------------------------------------------------------------------------
  86     // ICommonLabelProvider
  87     // ------------------------------------------------------------------------
  88     /*
  89      * (non-Javadoc)
  90      * @see org.eclipse.jface.viewers.ILabelProvider#getImage(java.lang.Object)
  91      */
  92     @Override
  93     public Image getImage(Object element) {
  94
  95         if (element instanceof TmfTraceElement) {
  96             TmfTraceElement trace = (TmfTraceElement) element;
  97             String icon = null;
  98             try {
  99                 String name = trace.getResource().getPersistentProperty(TmfCommonConstants.TRACEBUNDLE);
 100                 icon = trace.getResource().getPersistentProperty(TmfCommonConstants.TRACEICON);
 101                 if (name != null && icon != null) {
 102                     Bundle bundle = Platform.getBundle(name);
 103                     return loadIcon(bundle, icon);
 104                 }
 105             } catch (CoreException e) {
 106             }
 107             return fDefaultTraceIcon;
 108         }
 109
 110         if (element instanceof TmfExperimentElement) {
 111             return fExperimentIcon;
 112         }
 113
 114         if (element instanceof TmfExperimentFolder) {
 115             return fExperimentFolderIcon;
 116         }
 117
 118         if (element instanceof TmfTraceFolder) {
 119             return fTraceFolderIcon;
 120         }
 121
 122         return null;
 123     }
 124
 125     /*
 126      * (non-Javadoc)
 127      * @see org.eclipse.jface.viewers.ILabelProvider#getText(java.lang.Object)
 128      */
 129     @Override
 130     public String getText(Object element) {
 131
 132         if (element instanceof TmfTraceFolder) {
 133             TmfTraceFolder folder = (TmfTraceFolder) element;
 134             return folder.getName() + " [" + folder.getTraces().size() + "]"; //$NON-NLS-1$//$NON-NLS-2$
 135         }
 136
 137         if (element instanceof TmfExperimentElement) {
 138             TmfExperimentElement folder = (TmfExperimentElement) element;
 139             return folder.getName() + " [" + folder.getTraces().size() + "]"; //$NON-NLS-1$//$NON-NLS-2$
 140         }
 141
 142         if (element instanceof TmfExperimentFolder) {
 143             TmfExperimentFolder folder = (TmfExperimentFolder) element;
 144             return folder.getName() + " [" + folder.getChildren().size() + "]"; //$NON-NLS-1$//$NON-NLS-2$
 145         }
 146
 147         // Catch all
 148         if (element instanceof ITmfProjectModelElement) {
 149             return ((ITmfProjectModelElement) element).getName();
 150         }
 151
 152         return null;
 153     }
 154
 155     /*
 156      * (non-Javadoc)
 157      * @see org.eclipse.jface.viewers.IBaseLabelProvider#addListener(org.eclipse.jface.viewers.ILabelProviderListener)
 158      */
 159     @Override
 160     public void addListener(ILabelProviderListener listener) {
 161     }
 162
 163     /*
 164      * (non-Javadoc)
 165      * @see org.eclipse.jface.viewers.IBaseLabelProvider#dispose()
 166      */
 167     @Override
 168     public void dispose() {
 169     }
 170
 171     /*
 172      * (non-Javadoc)
 173      * @see org.eclipse.jface.viewers.IBaseLabelProvider#isLabelProperty(java.lang.Object, java.lang.String)
 174      */
 175     @Override
 176     public boolean isLabelProperty(Object element, String property) {
 177         return false;
 178     }
 179
 180     /*
 181      * (non-Javadoc)
 182      * @see org.eclipse.jface.viewers.IBaseLabelProvider#removeListener(org.eclipse.jface.viewers.ILabelProviderListener)
 183      */
 184     @Override
 185     public void removeListener(ILabelProviderListener listener) {
 186     }
 187
 188     /*
 189      * (non-Javadoc)
 190      * @see org.eclipse.ui.navigator.IMementoAware#restoreState(org.eclipse.ui.IMemento)
 191      */
 192     @Override
 193     public void restoreState(IMemento aMemento) {
 194     }
 195
 196     /*
 197      * (non-Javadoc)
 198      * @see org.eclipse.ui.navigator.IMementoAware#saveState(org.eclipse.ui.IMemento)
 199      */
 200     @Override
 201     public void saveState(IMemento aMemento) {
 202     }
 203
 204     /*
 205      * (non-Javadoc)
 206      * @see org.eclipse.ui.navigator.IDescriptionProvider#getDescription(java.lang.Object)
 207      */
 208     @Override
 209     public String getDescription(Object anElement) {
 210         return getText(anElement);
 211     }
 212
 213     /*
 214      * (non-Javadoc)
 215      * @see org.eclipse.ui.navigator.ICommonLabelProvider#init(org.eclipse.ui.navigator.ICommonContentExtensionSite)
 216      */
 217     @Override
 218     public void init(ICommonContentExtensionSite aConfig) {
 219     }
 220
 221 }