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

   1 /*******************************************************************************
   2  * Copyright (c) 2011 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.tmf.ui.TmfUiPlugin;
  22 import org.eclipse.swt.graphics.Image;
  23 import org.eclipse.ui.IMemento;
  24 import org.eclipse.ui.ISharedImages;
  25 import org.eclipse.ui.PlatformUI;
  26 import org.eclipse.ui.navigator.ICommonContentExtensionSite;
  27 import org.eclipse.ui.navigator.ICommonLabelProvider;
  28 import org.osgi.framework.Bundle;
  29
  30 /**
  31  * <b><u>TmfNavigatorLabelProvider</u></b>
  32  * <p>
  33  */
  34 public class TmfNavigatorLabelProvider implements ICommonLabelProvider {
  35
  36     // ------------------------------------------------------------------------
  37     // Constants
  38     // ------------------------------------------------------------------------
  39
  40     private final Image fFolderIcon = PlatformUI.getWorkbench().getSharedImages()
  41             .getImage(ISharedImages.IMG_OBJ_FOLDER);
  42     private final String fTraceIconFile = "icons/elcl16/trace.gif"; //$NON-NLS-1$
  43     private final String fExperimentIconFile = "icons/elcl16/experiment.gif"; //$NON-NLS-1$
  44
  45     // ------------------------------------------------------------------------
  46     // Attributes
  47     // ------------------------------------------------------------------------
  48
  49     private final Image fTraceFolderIcon = fFolderIcon;
  50     private final Image fExperimentFolderIcon = fFolderIcon;
  51
  52     private final Image fDefaultTraceIcon;
  53     private final Image fExperimentIcon;
  54
  55     // ------------------------------------------------------------------------
  56     // Constructors
  57     // ------------------------------------------------------------------------
  58
  59     public TmfNavigatorLabelProvider() {
  60         Bundle bundle = TmfUiPlugin.getDefault().getBundle();
  61         fDefaultTraceIcon = loadIcon(bundle, fTraceIconFile);
  62         fExperimentIcon = loadIcon(bundle, fExperimentIconFile);
  63     }
  64
  65     private Image loadIcon(Bundle bundle, String url) {
  66         TmfUiPlugin plugin = TmfUiPlugin.getDefault();
  67         String key = bundle.getSymbolicName() + "/" + url; //$NON-NLS-1$
  68         Image icon = plugin.getImageRegistry().get(key);
  69         if (icon == null) {
  70             URL imageURL = bundle.getResource(url);
  71             ImageDescriptor descriptor = ImageDescriptor.createFromURL(imageURL);
  72             icon = descriptor.createImage();
  73             plugin.getImageRegistry().put(key, icon);
  74         }
  75         return icon;
  76     }
  77
  78     // ------------------------------------------------------------------------
  79     // ICommonLabelProvider
  80     // ------------------------------------------------------------------------
  81
  82     @Override
  83     public Image getImage(Object element) {
  84
  85         if (element instanceof TmfTraceElement) {
  86             TmfTraceElement trace = (TmfTraceElement) element;
  87             String icon = null;
  88             try {
  89                 String name = trace.getResource().getPersistentProperty(TmfTraceElement.TRACEBUNDLE);
  90                 icon = trace.getResource().getPersistentProperty(TmfTraceElement.TRACEICON);
  91                 if (name != null && icon != null) {
  92                     Bundle bundle = Platform.getBundle(name);
  93                     return loadIcon(bundle, icon);
  94                 }
  95             } catch (CoreException e) {
  96             }
  97             return fDefaultTraceIcon;
  98         }
  99
 100         if (element instanceof TmfExperimentElement)
 101             return fExperimentIcon;
 102
 103         if (element instanceof TmfExperimentFolder)
 104             return fExperimentFolderIcon;
 105
 106         if (element instanceof TmfTraceFolder)
 107             return fTraceFolderIcon;
 108
 109         return null;
 110     }
 111
 112     @Override
 113     public String getText(Object element) {
 114
 115         if (element instanceof TmfTraceFolder) {
 116             TmfTraceFolder folder = (TmfTraceFolder) element;
 117             return folder.getName() + " [" + folder.getTraces().size() + "]"; //$NON-NLS-1$//$NON-NLS-2$
 118         }
 119
 120         if (element instanceof TmfExperimentElement) {
 121             TmfExperimentElement folder = (TmfExperimentElement) element;
 122             return folder.getName() + " [" + folder.getTraces().size() + "]"; //$NON-NLS-1$//$NON-NLS-2$
 123         }
 124
 125         // Catch all
 126         if (element instanceof ITmfProjectModelElement) {
 127             return ((ITmfProjectModelElement) element).getName();
 128         }
 129
 130         return null;
 131     }
 132
 133     @Override
 134     public void addListener(ILabelProviderListener listener) {
 135     }
 136
 137     @Override
 138     public void dispose() {
 139     }
 140
 141     @Override
 142     public boolean isLabelProperty(Object element, String property) {
 143         return false;
 144     }
 145
 146     @Override
 147     public void removeListener(ILabelProviderListener listener) {
 148     }
 149
 150     @Override
 151     public void restoreState(IMemento aMemento) {
 152     }
 153
 154     @Override
 155     public void saveState(IMemento aMemento) {
 156     }
 157
 158     @Override
 159     public String getDescription(Object anElement) {
 160         return getText(anElement);
 161     }
 162
 163     @Override
 164     public void init(ICommonContentExtensionSite aConfig) {
 165     }
 166
 167 }