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c392540b | 1 | /******************************************************************************* |
c8422608 | 2 | * Copyright (c) 2011, 2013 Ericsson |
6256d8ad | 3 | * |
c392540b FC |
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 | |
6256d8ad | 8 | * |
c392540b FC |
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 |
c392540b FC |
14 | *******************************************************************************/ |
15 | ||
e0752744 | 16 | package org.eclipse.linuxtools.tmf.ui.views.histogram; |
c392540b | 17 | |
f8177ba2 FC |
18 | import java.text.ParseException; |
19 | ||
f8177ba2 | 20 | import org.eclipse.linuxtools.tmf.core.signal.TmfSignalHandler; |
f8177ba2 | 21 | import org.eclipse.linuxtools.tmf.core.signal.TmfTimestampFormatUpdateSignal; |
3bd46eef AM |
22 | import org.eclipse.linuxtools.tmf.core.timestamp.ITmfTimestamp; |
23 | import org.eclipse.linuxtools.tmf.core.timestamp.TmfTimeRange; | |
24 | import org.eclipse.linuxtools.tmf.core.timestamp.TmfTimestamp; | |
25 | import org.eclipse.linuxtools.tmf.core.timestamp.TmfTimestampFormat; | |
faa38350 | 26 | import org.eclipse.linuxtools.tmf.core.trace.ITmfTrace; |
c392540b FC |
27 | import org.eclipse.swt.widgets.Composite; |
28 | ||
29 | /** | |
c392540b | 30 | * This control provides a group containing a text control. |
6256d8ad | 31 | * |
f8177ba2 | 32 | * @version 1.1 |
b544077e | 33 | * @author Francois Chouinard |
c392540b FC |
34 | */ |
35 | public class HistogramCurrentTimeControl extends HistogramTextControl { | |
36 | ||
37 | // ------------------------------------------------------------------------ | |
38 | // Construction | |
39 | // ------------------------------------------------------------------------ | |
40 | ||
b544077e | 41 | /** |
f8177ba2 | 42 | * Standard constructor |
6256d8ad | 43 | * |
b544077e BH |
44 | * @param parentView A parent histogram view |
45 | * @param parent A parent composite to draw in | |
720d67cb | 46 | * @param label A label |
f8177ba2 FC |
47 | * @param value A value |
48 | * @since 2.0 | |
b544077e | 49 | */ |
f8177ba2 | 50 | public HistogramCurrentTimeControl(HistogramView parentView, Composite parent, |
720d67cb | 51 | String label, long value) |
f8177ba2 | 52 | { |
720d67cb | 53 | super(parentView, parent, label, value); |
c392540b FC |
54 | } |
55 | ||
56 | // ------------------------------------------------------------------------ | |
57 | // Operations | |
58 | // ------------------------------------------------------------------------ | |
59 | ||
60 | @Override | |
61 | protected void updateValue() { | |
da7bdcbc PT |
62 | if (getValue() == Long.MIN_VALUE) { |
63 | fTextValue.setText(""); //$NON-NLS-1$ | |
64 | return; | |
65 | } | |
f8177ba2 | 66 | String string = fTextValue.getText(); |
65cdf787 | 67 | long value = getValue(); |
f8177ba2 | 68 | try { |
06441eb5 | 69 | value = TmfTimestampFormat.getDefaulTimeFormat().parseValue(string, getValue()); |
f8177ba2 FC |
70 | } catch (ParseException e) { |
71 | } | |
c392540b | 72 | if (getValue() != value) { |
e0fce55b | 73 | // Make sure that the new time is within range |
faa38350 PT |
74 | ITmfTrace trace = fParentView.getTrace(); |
75 | if (trace != null) { | |
76 | TmfTimeRange range = trace.getTimeRange(); | |
dcb3cda5 BH |
77 | long startTime = range.getStartTime().normalize(0, ITmfTimestamp.NANOSECOND_SCALE).getValue(); |
78 | long endTime = range.getEndTime().normalize(0, ITmfTimestamp.NANOSECOND_SCALE).getValue(); | |
e0fce55b FC |
79 | if (value < startTime) { |
80 | value = startTime; | |
81 | } else if (value > endTime) { | |
82 | value = endTime; | |
83 | } | |
84 | } | |
85 | ||
86 | // Set and propagate | |
c392540b | 87 | setValue(value); |
720d67cb | 88 | updateSelectionTime(value); |
65cdf787 PT |
89 | } else { |
90 | setValue(value); | |
c392540b FC |
91 | } |
92 | } | |
93 | ||
720d67cb PT |
94 | /** |
95 | * Update the selection time | |
96 | * | |
97 | * @param time | |
98 | * the new selected time | |
99 | * @since 2.2 | |
100 | */ | |
101 | protected void updateSelectionTime(long time) { | |
102 | fParentView.updateSelectionTime(time, time); | |
103 | } | |
104 | ||
f8177ba2 FC |
105 | @Override |
106 | public void setValue(long time) { | |
da7bdcbc PT |
107 | if (time != Long.MIN_VALUE) { |
108 | super.setValue(time, new TmfTimestamp(time, ITmfTimestamp.NANOSECOND_SCALE).toString()); | |
109 | } else { | |
110 | super.setValue(time, ""); //$NON-NLS-1$ | |
111 | } | |
f8177ba2 FC |
112 | } |
113 | ||
114 | // ------------------------------------------------------------------------ | |
115 | // Signal Handlers | |
116 | // ------------------------------------------------------------------------ | |
117 | ||
118 | /** | |
119 | * Format the timestamp and update the display. Compute the new text size, | |
120 | * adjust the text and group widgets and then refresh the view layout. | |
121 | * | |
122 | * @param signal the incoming signal | |
123 | * @since 2.0 | |
124 | */ | |
125 | @TmfSignalHandler | |
126 | public void timestampFormatUpdated(TmfTimestampFormatUpdateSignal signal) { | |
127 | setValue(getValue()); | |
128 | } | |
129 | ||
c392540b | 130 | } |