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c392540b | 1 | /******************************************************************************* |
c8422608 | 2 | * Copyright (c) 2011, 2013 Ericsson |
f8177ba2 | 3 | * |
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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 | |
f8177ba2 | 8 | * |
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9 | * Contributors: |
10 | * Francois Chouinard - Initial API and implementation | |
e0752744 | 11 | * Francois Chouinard - Moved from LTTng to TMF |
f8177ba2 | 12 | * Francois Chouinard - Simplified constructor, handle interval format change |
65cdf787 | 13 | * Patrick Tasse - Update value handling |
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14 | *******************************************************************************/ |
15 | ||
e0752744 | 16 | package org.eclipse.linuxtools.tmf.ui.views.histogram; |
c392540b | 17 | |
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18 | import java.text.ParseException; |
19 | ||
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20 | import org.eclipse.linuxtools.tmf.core.signal.TmfSignalHandler; |
21 | import org.eclipse.linuxtools.tmf.core.signal.TmfSignalManager; | |
22 | import org.eclipse.linuxtools.tmf.core.signal.TmfTimestampFormatUpdateSignal; | |
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23 | import org.eclipse.linuxtools.tmf.core.timestamp.ITmfTimestamp; |
24 | import org.eclipse.linuxtools.tmf.core.timestamp.TmfTimestamp; | |
25 | import org.eclipse.linuxtools.tmf.core.timestamp.TmfTimestampFormat; | |
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26 | import org.eclipse.swt.widgets.Composite; |
27 | ||
28 | /** | |
c392540b | 29 | * This control provides a group containing a text control. |
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30 | * |
31 | * @version 2.0 | |
b544077e | 32 | * @author Francois Chouinard |
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33 | */ |
34 | public class HistogramTimeRangeControl extends HistogramTextControl { | |
35 | ||
36 | // ------------------------------------------------------------------------ | |
37 | // Construction | |
38 | // ------------------------------------------------------------------------ | |
f8177ba2 | 39 | |
b544077e | 40 | /** |
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41 | * Constructor with given group and text values. |
42 | * | |
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43 | * @param parentView The parent histogram view. |
44 | * @param parent The parent composite | |
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45 | * @param groupLabel A group value |
46 | * @param value A text value | |
47 | * @since 2.0 | |
b544077e | 48 | */ |
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49 | public HistogramTimeRangeControl(HistogramView parentView, Composite parent, |
50 | String groupLabel, long value) | |
51 | { | |
52 | super(parentView, parent, groupLabel, value); | |
53 | TmfSignalManager.register(this); | |
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54 | } |
55 | ||
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56 | @Override |
57 | public void dispose() { | |
58 | TmfSignalManager.deregister(this); | |
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59 | } |
60 | ||
61 | // ------------------------------------------------------------------------ | |
62 | // Operations | |
63 | // ------------------------------------------------------------------------ | |
64 | ||
65 | @Override | |
66 | protected void updateValue() { | |
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67 | if (getValue() == Long.MIN_VALUE) { |
68 | fTextValue.setText(""); //$NON-NLS-1$ | |
69 | return; | |
70 | } | |
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71 | String string = fTextValue.getText(); |
72 | long value = getValue(); | |
73 | try { | |
74 | value = TmfTimestampFormat.getDefaulIntervalFormat().parseValue(string); | |
75 | } catch (ParseException e) { | |
c392540b | 76 | } |
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77 | if (getValue() != value) { |
78 | fParentView.updateTimeRange(value); | |
79 | } else { | |
80 | setValue(value); | |
81 | } | |
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82 | } |
83 | ||
84 | @Override | |
85 | public void setValue(long time) { | |
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86 | if (time != Long.MIN_VALUE) { |
87 | ITmfTimestamp ts = new TmfTimestamp(time, ITmfTimestamp.NANOSECOND_SCALE); | |
88 | super.setValue(time, ts.toString(TmfTimestampFormat.getDefaulIntervalFormat())); | |
89 | } else { | |
90 | super.setValue(time, ""); //$NON-NLS-1$ | |
91 | } | |
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92 | } |
93 | ||
94 | // ------------------------------------------------------------------------ | |
95 | // Signal Handlers | |
96 | // ------------------------------------------------------------------------ | |
97 | ||
98 | /** | |
99 | * Format the interval and update the display. Compute the new text size, | |
100 | * adjust the text and group widgets and then refresh the view layout. | |
101 | * | |
102 | * @param signal the incoming signal | |
103 | * @since 2.0 | |
104 | */ | |
105 | @TmfSignalHandler | |
106 | public void intervalFormatUpdated(TmfTimestampFormatUpdateSignal signal) { | |
107 | setValue(getValue()); | |
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108 | } |
109 | ||
110 | } |