org.eclipse.linuxtools.tmf.ui/src/org/eclipse/linuxtools/tmf/ui/views/histogram/HistogramCurrentTimeControl.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  *   Francois Chouinard - Moved from LTTng to TMF
  12  *******************************************************************************/
  13
  14 package org.eclipse.linuxtools.tmf.ui.views.histogram;
  15
  16 import org.eclipse.swt.widgets.Composite;
  17
  18 /**
  19  * <b><u>HistogramCurrentTimeControl</u></b>
  20  * <p>
  21  * This control provides a group containing a text control.
  22  */
  23 public class HistogramCurrentTimeControl extends HistogramTextControl {
  24
  25     // ------------------------------------------------------------------------
  26     // Construction
  27     // ------------------------------------------------------------------------
  28
  29     public HistogramCurrentTimeControl(HistogramView parentView, Composite parent, int textStyle, int groupStyle) {
  30         this(parentView, parent, textStyle, groupStyle, "", HistogramUtils.nanosecondsToString(0L)); //$NON-NLS-1$
  31     }
  32
  33     public HistogramCurrentTimeControl(HistogramView parentView, Composite parent, int textStyle, int groupStyle, String groupValue, String textValue) {
  34         super(parentView, parent, textStyle, groupStyle, groupValue, textValue);
  35     }
  36
  37     // ------------------------------------------------------------------------
  38     // Operations
  39     // ------------------------------------------------------------------------
  40
  41     @Override
  42     protected void updateValue() {
  43         String stringValue = fTextValue.getText();
  44         long value = HistogramUtils.stringToNanoseconds(stringValue);
  45
  46         if (getValue() != value) {
  47             setValue(value);
  48             fParentView.updateCurrentEventTime(value);
  49         }
  50     }
  51
  52 }