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