org.eclipse.linuxtools.lttng.ui/src/org/eclipse/linuxtools/internal/lttng/ui/tracecontrol/model/config/TraceChannelTableLabelProvider.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  *   Bernd Hufmann - Initial API and implementation
  11  *
  12  *******************************************************************************/
  13 package org.eclipse.linuxtools.internal.lttng.ui.tracecontrol.model.config;
  14
  15 import org.eclipse.jface.viewers.ILabelProviderListener;
  16 import org.eclipse.jface.viewers.ITableLabelProvider;
  17 import org.eclipse.linuxtools.internal.lttng.core.tracecontrol.model.config.TraceChannel;
  18 import org.eclipse.linuxtools.lttng.ui.Activator;
  19 import org.eclipse.swt.graphics.Image;
  20
  21 /**
  22  * <b><u>TraceChannelTableLabelProvider</u></b>
  23  * <p>
  24  *  ITableLabelProvider implementation for TableViewers in order to provide the labels of a table
  25  *  used for displaying and configuring trace channel information.
  26  * </p>
  27  */
  28 public class TraceChannelTableLabelProvider implements ITableLabelProvider {
  29
  30     // ------------------------------------------------------------------------
  31     // Attributes
  32     // -----------------------------------------------------------------------
  33
  34     // ------------------------------------------------------------------------
  35     // Constructors
  36     // -----------------------------------------------------------------------
  37
  38     // ------------------------------------------------------------------------
  39     // Operations
  40     // -----------------------------------------------------------------------
  41
  42     /*
  43      * (non-Javadoc)
  44      * @see org.eclipse.jface.viewers.IBaseLabelProvider#addListener(org.eclipse.jface.viewers.ILabelProviderListener)
  45      */
  46     @Override
  47     public void addListener(ILabelProviderListener listener) {
  48     }
  49
  50     /*
  51      * (non-Javadoc)
  52      * @see org.eclipse.jface.viewers.IBaseLabelProvider#dispose()
  53      */
  54     @Override
  55     public void dispose() {
  56     }
  57
  58     /*
  59      * (non-Javadoc)
  60      * @see org.eclipse.jface.viewers.IBaseLabelProvider#isLabelProperty(java.lang.Object, java.lang.String)
  61      */
  62     @Override
  63     public boolean isLabelProperty(Object element, String property) {
  64         return false;
  65     }
  66
  67     /*
  68      * (non-Javadoc)
  69      * @see org.eclipse.jface.viewers.IBaseLabelProvider#removeListener(org.eclipse.jface.viewers.ILabelProviderListener)
  70      */
  71     @Override
  72     public void removeListener(ILabelProviderListener listener) {
  73     }
  74
  75     /*
  76      * (non-Javadoc)
  77      * @see org.eclipse.jface.viewers.ITableLabelProvider#getColumnImage(java.lang.Object, int)
  78      */
  79     @Override
  80     public Image getColumnImage(Object element, int columnIndex) {
  81         if (element instanceof TraceChannel) {
  82             TraceChannel chan = (TraceChannel) element;
  83             switch (columnIndex) {
  84             case 1:
  85                 return getImage(chan.isEnabled() && chan.isEnabledStatusKnown());
  86             case 2:
  87                 return getImage(chan.isChannelOverride() && chan.isChannelOverrideStatusKnown());
  88             default:
  89             }
  90         }
  91         return null;
  92     }
  93
  94     /*
  95      * (non-Javadoc)
  96      * @see org.eclipse.jface.viewers.ITableLabelProvider#getColumnText(java.lang.Object, int)
  97      */
  98     @Override
  99     public String getColumnText(Object element, int columnIndex) {
 100         if (element instanceof TraceChannel) {
 101             TraceChannel chan = (TraceChannel) element;
 102             switch (columnIndex) {
 103             case 0:
 104                 return chan.getName();
 105             case 1:
 106                 if (!chan.isEnabledStatusKnown())  {
 107                     return TraceChannel.UNKNOWN_STRING;
 108                 }
 109                 break;
 110             case 2:
 111                 if (!chan.isChannelOverrideStatusKnown()) {
 112                     return TraceChannel.UNKNOWN_STRING;
 113                 }
 114                 break;
 115             case 3:
 116                 if (chan.getSubbufNum() == TraceChannel.UNKNOWN_VALUE) {
 117                     return TraceChannel.UNKNOWN_STRING;
 118                 }
 119                 return String.valueOf(chan.getSubbufNum());
 120             case 4:
 121                 if (chan.getSubbufSize() == TraceChannel.UNKNOWN_VALUE) {
 122                     return TraceChannel.UNKNOWN_STRING;
 123                 }
 124                 return String.valueOf(chan.getSubbufSize());
 125             case 5:
 126                 if (chan.getTimer() == TraceChannel.UNKNOWN_VALUE) {
 127                     return TraceChannel.UNKNOWN_STRING;
 128                 }
 129                 return String.valueOf(chan.getTimer());
 130             default:
 131                 // fall through
 132             }
 133         }
 134         return null;
 135     }
 136
 137     /*
 138      * Gets the checked or unchecked image.
 139      */
 140     private Image getImage(boolean isSelected) {
 141         if (isSelected) {
 142             return Activator.getDefault().getImage(Activator.ICON_ID_CHECKED);
 143         }
 144         return Activator.getDefault().getImage(Activator.ICON_ID_UNCHECKED);
 145     }
 146 }