org.eclipse.linuxtools.lttng.ui/src/org/eclipse/linuxtools/lttng/ui/tracecontrol/wizards/UstTraceChannelConfigurationPage.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.lttng.ui.tracecontrol.wizards;
  14
  15 import org.eclipse.jface.wizard.WizardPage;
  16 import org.eclipse.linuxtools.lttng.core.tracecontrol.model.config.TraceChannel;
  17 import org.eclipse.linuxtools.lttng.core.tracecontrol.model.config.TraceChannels;
  18 import org.eclipse.linuxtools.lttng.ui.tracecontrol.Messages;
  19 import org.eclipse.swt.SWT;
  20 import org.eclipse.swt.events.VerifyEvent;
  21 import org.eclipse.swt.events.VerifyListener;
  22 import org.eclipse.swt.layout.GridData;
  23 import org.eclipse.swt.layout.GridLayout;
  24 import org.eclipse.swt.widgets.Composite;
  25 import org.eclipse.swt.widgets.Event;
  26 import org.eclipse.swt.widgets.Label;
  27 import org.eclipse.swt.widgets.Listener;
  28 import org.eclipse.swt.widgets.Text;
  29
  30 /**
  31  * <b><u>UstTraceChannelConfigurationPage</u></b>
  32  * <p>
  33  *  Wizard page implementation to configure the UST trace channels.
  34  * </p>
  35  */
  36 public class UstTraceChannelConfigurationPage extends WizardPage implements ITraceChannelConfigurationPage {
  37
  38     // ------------------------------------------------------------------------
  39     // Attributes
  40     // ------------------------------------------------------------------------
  41     private TraceChannels fChannels;
  42     private Composite fContainer;
  43     private Text fChannelTimerText;
  44
  45     // ------------------------------------------------------------------------
  46     // Constructors
  47     // ------------------------------------------------------------------------
  48
  49     /**
  50      * Constructor
  51      *
  52      * @param channels
  53      */
  54     protected UstTraceChannelConfigurationPage(TraceChannels channels) {
  55         super("UstTraceChannelConfigurationPage"); //$NON-NLS-1$
  56         fChannels = channels;
  57         setTitle(Messages.ChannelConfigPage_PageTitle);
  58     }
  59
  60
  61     // ------------------------------------------------------------------------
  62     // Operations
  63     // ------------------------------------------------------------------------
  64
  65     /*
  66      * (non-Javadoc)
  67      * @see org.eclipse.jface.dialogs.IDialogPage#createControl(org.eclipse.swt.widgets.Composite)
  68      */
  69     @Override
  70     public void createControl(Composite parent) {
  71         fContainer = new Composite(parent, SWT.NULL);
  72         fContainer.setLayout(new GridLayout());
  73         setControl(fContainer);
  74
  75         Composite headerComposite = new Composite(fContainer, SWT.FILL);
  76         GridLayout headerLayout = new GridLayout(4, true);
  77         headerLayout.marginHeight = 0;
  78         headerLayout.marginWidth = 0;
  79         headerComposite.setLayout(headerLayout);
  80         headerComposite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
  81
  82         Label label = new Label(headerComposite, SWT.LEFT);
  83         label.setText(Messages.ChannelConfigPage_ChannelTimer + ":"); //$NON-NLS-1$
  84         label.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false, 1, 1));
  85
  86         fChannelTimerText = new Text(headerComposite, SWT.LEFT);
  87         fChannelTimerText.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false, 3, 1));
  88         fChannelTimerText.setToolTipText(Messages.ChannelConfigPage_ChannelTimerTooltip);
  89
  90         TraceChannel chan = fChannels.get(TraceChannel.UST_TRACE_CHANNEL_NAME);
  91         if (chan.getTimer() == TraceChannel.UNKNOWN_VALUE) {
  92             fChannelTimerText.setText(TraceChannel.UNKNOWN_STRING);
  93         }
  94         else {
  95             fChannelTimerText.setText(String.valueOf(chan.getTimer()));
  96         }
  97
  98         fChannelTimerText.addVerifyListener(new VerifyListener() {
  99             @Override
 100             public void verifyText(VerifyEvent e) {
 101                 e.doit = e.text.matches("[0-9]*"); //$NON-NLS-1$
 102             }
 103         });
 104
 105         fChannelTimerText.addListener(SWT.Modify, new Listener() {
 106             @Override
 107             public void handleEvent(Event event) {
 108                 String valueString = fChannelTimerText.getText();
 109                 TraceChannel chan = fChannels.get(TraceChannel.UST_TRACE_CHANNEL_NAME);
 110                 if (valueString.length() == 0) {
 111                     valueString = "0"; //$NON-NLS-1$
 112                 }
 113                 else if(TraceChannel.UNKNOWN_STRING.equals(valueString)) {
 114                     chan.setTimer(TraceChannel.UNKNOWN_VALUE);
 115                 }
 116                 else {
 117                     chan.setTimer(Integer.parseInt(valueString));
 118                 }
 119             }
 120         });
 121     }
 122
 123     /* (non-Javadoc)
 124      * @see org.eclipse.jface.dialogs.DialogPage#dispose()
 125      */
 126     @Override
 127     public void dispose() {
 128         super.dispose();
 129     }
 130
 131     /*
 132      * (non-Javadoc)
 133      * @see org.eclipse.linuxtools.lttng.rse.ui.wizards.ITraceChannelConfigurationPage#getTraceChannels()
 134      */
 135     @Override
 136     public TraceChannels getTraceChannels() {
 137         return fChannels;
 138     }
 139 }