| 1 | /******************************************************************************* |
| 2 | * Copyright (c) 2011, 2013 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 | * Francois Chouinard - Simplified constructor, handle interval format change |
| 13 | *******************************************************************************/ |
| 14 | |
| 15 | package org.eclipse.linuxtools.tmf.ui.views.histogram; |
| 16 | |
| 17 | import java.text.ParseException; |
| 18 | |
| 19 | import org.eclipse.linuxtools.tmf.core.signal.TmfSignalHandler; |
| 20 | import org.eclipse.linuxtools.tmf.core.signal.TmfSignalManager; |
| 21 | import org.eclipse.linuxtools.tmf.core.signal.TmfTimestampFormatUpdateSignal; |
| 22 | import org.eclipse.linuxtools.tmf.core.timestamp.ITmfTimestamp; |
| 23 | import org.eclipse.linuxtools.tmf.core.timestamp.TmfTimestamp; |
| 24 | import org.eclipse.linuxtools.tmf.core.timestamp.TmfTimestampFormat; |
| 25 | import org.eclipse.swt.widgets.Composite; |
| 26 | |
| 27 | /** |
| 28 | * This control provides a group containing a text control. |
| 29 | * |
| 30 | * @version 2.0 |
| 31 | * @author Francois Chouinard |
| 32 | */ |
| 33 | public class HistogramTimeRangeControl extends HistogramTextControl { |
| 34 | |
| 35 | // ------------------------------------------------------------------------ |
| 36 | // Construction |
| 37 | // ------------------------------------------------------------------------ |
| 38 | |
| 39 | /** |
| 40 | * Constructor with given group and text values. |
| 41 | * |
| 42 | * @param parentView The parent histogram view. |
| 43 | * @param parent The parent composite |
| 44 | * @param groupLabel A group value |
| 45 | * @param value A text value |
| 46 | * @since 2.0 |
| 47 | */ |
| 48 | public HistogramTimeRangeControl(HistogramView parentView, Composite parent, |
| 49 | String groupLabel, long value) |
| 50 | { |
| 51 | super(parentView, parent, groupLabel, value); |
| 52 | TmfSignalManager.register(this); |
| 53 | } |
| 54 | |
| 55 | /* (non-Javadoc) |
| 56 | * @see org.eclipse.linuxtools.tmf.ui.views.histogram.HistogramTextControl#dispose() |
| 57 | */ |
| 58 | @Override |
| 59 | public void dispose() { |
| 60 | TmfSignalManager.deregister(this); |
| 61 | } |
| 62 | |
| 63 | // ------------------------------------------------------------------------ |
| 64 | // Operations |
| 65 | // ------------------------------------------------------------------------ |
| 66 | |
| 67 | /* |
| 68 | * (non-Javadoc) |
| 69 | * @see org.eclipse.linuxtools.tmf.ui.views.histogram.HistogramTextControl#updateValue() |
| 70 | */ |
| 71 | @Override |
| 72 | protected void updateValue() { |
| 73 | if (getValue() == Long.MIN_VALUE) { |
| 74 | fTextValue.setText(""); //$NON-NLS-1$ |
| 75 | return; |
| 76 | } |
| 77 | String string = fTextValue.getText(); |
| 78 | long value = getValue(); |
| 79 | try { |
| 80 | value = TmfTimestampFormat.getDefaulIntervalFormat().parseValue(string); |
| 81 | } catch (ParseException e) { |
| 82 | } |
| 83 | fParentView.updateTimeRange(value); |
| 84 | } |
| 85 | |
| 86 | @Override |
| 87 | public void setValue(long time) { |
| 88 | if (time != Long.MIN_VALUE) { |
| 89 | ITmfTimestamp ts = new TmfTimestamp(time, ITmfTimestamp.NANOSECOND_SCALE); |
| 90 | super.setValue(time, ts.toString(TmfTimestampFormat.getDefaulIntervalFormat())); |
| 91 | } else { |
| 92 | super.setValue(time, ""); //$NON-NLS-1$ |
| 93 | } |
| 94 | } |
| 95 | |
| 96 | // ------------------------------------------------------------------------ |
| 97 | // Signal Handlers |
| 98 | // ------------------------------------------------------------------------ |
| 99 | |
| 100 | /** |
| 101 | * Format the interval and update the display. Compute the new text size, |
| 102 | * adjust the text and group widgets and then refresh the view layout. |
| 103 | * |
| 104 | * @param signal the incoming signal |
| 105 | * @since 2.0 |
| 106 | */ |
| 107 | @TmfSignalHandler |
| 108 | public void intervalFormatUpdated(TmfTimestampFormatUpdateSignal signal) { |
| 109 | setValue(getValue()); |
| 110 | } |
| 111 | |
| 112 | } |