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Refactoring handling of axes properties (2)...
Alexandre Leroux -
r917:3bf91527f27d
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@@ -10,6 +10,9 class QCPAxis;
10 10 class QCPColorScale;
11 11 class QCustomPlot;
12 12
13 /// Formats a data value according to the axis on which it is present
14 QString formatValue(double value, const QCPAxis &axis);
15
13 16 /**
14 17 * Helper used to handle axes rendering
15 18 */
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@@ -3,6 +3,9
3 3
4 4 #include <Common/spimpl.h>
5 5
6 #include <Visualization/VisualizationDefs.h>
7
8 class IDataSeries;
6 9 class QCustomPlot;
7 10 class QMouseEvent;
8 11 class Unit;
@@ -17,8 +20,9 public:
17 20
18 21 void onMouseMove(QMouseEvent *event) noexcept;
19 22
20 /// Sets properties of the plot's axes
21 void setAxesProperties(const Unit &xAxisUnit, const Unit &valuesUnit) noexcept;
23 /// Sets properties of the plot's axes from the data series passed as parameter
24 void setAxesProperties(std::shared_ptr<IDataSeries> dataSeries) noexcept;
25
22 26
23 27 /// Shows or hides graph overlay (name, close button, etc.)
24 28 void showGraphOverlay(bool show) noexcept;
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@@ -7,6 +7,47
7 7
8 8 namespace {
9 9
10 const auto DATETIME_FORMAT = QStringLiteral("yyyy/MM/dd hh:mm:ss:zzz");
11
12 /// Format for datetimes on a axis
13 const auto DATETIME_TICKER_FORMAT = QStringLiteral("yyyy/MM/dd \nhh:mm:ss");
14
15 /// Generates the appropriate ticker for an axis, depending on whether the axis displays time or
16 /// non-time data
17 QSharedPointer<QCPAxisTicker> axisTicker(bool isTimeAxis)
18 {
19 if (isTimeAxis) {
20 auto dateTicker = QSharedPointer<QCPAxisTickerDateTime>::create();
21 dateTicker->setDateTimeFormat(DATETIME_TICKER_FORMAT);
22 dateTicker->setDateTimeSpec(Qt::UTC);
23
24 return dateTicker;
25 }
26 else {
27 // default ticker
28 return QSharedPointer<QCPAxisTicker>::create();
29 }
30 }
31
32 /**
33 * Sets properties of the axis passed as parameter
34 * @param axis the axis to set
35 * @param unit the unit to set for the axis
36 * @param scaleType the scale type to set for the axis
37 */
38 void setAxisProperties(QCPAxis &axis, const Unit &unit,
39 QCPAxis::ScaleType scaleType = QCPAxis::stLinear)
40 {
41 // label (unit name)
42 axis.setLabel(unit.m_Name);
43
44 // scale type
45 axis.setScaleType(scaleType);
46
47 // ticker (depending on the type of unit)
48 axis.setTicker(axisTicker(unit.m_TimeUnit));
49 }
50
10 51 /**
11 52 * Delegate used to set axes properties
12 53 */
@@ -28,7 +69,13 struct AxisSetter<T, typename std::enable_if_t<std::is_base_of<ScalarSeries, T>:
28 69 or std::is_base_of<VectorSeries, T>::value> > {
29 70 static void setProperties(T &dataSeries, QCustomPlot &plot, QCPColorScale &)
30 71 {
31 /// @todo ALX
72 dataSeries.lockRead();
73 auto xAxisUnit = dataSeries.xAxisUnit();
74 auto valuesUnit = dataSeries.valuesUnit();
75 dataSeries.unlock();
76
77 setAxisProperties(*plot.xAxis, xAxisUnit);
78 setAxisProperties(*plot.yAxis, valuesUnit);
32 79 }
33 80 };
34 81
@@ -50,6 +97,17 struct AxisHelper : public IAxisHelper {
50 97
51 98 } // namespace
52 99
100 QString formatValue(double value, const QCPAxis &axis)
101 {
102 // If the axis is a time axis, formats the value as a date
103 if (auto axisTicker = qSharedPointerDynamicCast<QCPAxisTickerDateTime>(axis.ticker())) {
104 return DateUtils::dateTime(value, axisTicker->dateTimeSpec()).toString(DATETIME_FORMAT);
105 }
106 else {
107 return QString::number(value);
108 }
109 }
110
53 111 std::unique_ptr<IAxisHelper>
54 112 IAxisHelperFactory::create(std::shared_ptr<IDataSeries> dataSeries) noexcept
55 113 {
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@@ -1,4 +1,5
1 1 #include "Visualization/VisualizationGraphRenderingDelegate.h"
2 #include "Visualization/AxisRenderingUtils.h"
2 3 #include "Visualization/VisualizationGraphWidget.h"
3 4 #include "Visualization/qcustomplot.h"
4 5
@@ -13,11 +14,6 namespace {
13 14 /// Name of the axes layer in QCustomPlot
14 15 const auto AXES_LAYER = QStringLiteral("axes");
15 16
16 const auto DATETIME_FORMAT = QStringLiteral("yyyy/MM/dd hh:mm:ss:zzz");
17
18 /// Format for datetimes on a axis
19 const auto DATETIME_TICKER_FORMAT = QStringLiteral("yyyy/MM/dd \nhh:mm:ss");
20
21 17 /// Icon used to show x-axis properties
22 18 const auto HIDE_AXIS_ICON_PATH = QStringLiteral(":/icones/down.png");
23 19
@@ -38,35 +34,6 const auto TOOLTIP_RECT = QRect{10, 10, 10, 10};
38 34 /// Timeout after which the tooltip is displayed
39 35 const auto TOOLTIP_TIMEOUT = 500;
40 36
41 /// Generates the appropriate ticker for an axis, depending on whether the axis displays time or
42 /// non-time data
43 QSharedPointer<QCPAxisTicker> axisTicker(bool isTimeAxis)
44 {
45 if (isTimeAxis) {
46 auto dateTicker = QSharedPointer<QCPAxisTickerDateTime>::create();
47 dateTicker->setDateTimeFormat(DATETIME_TICKER_FORMAT);
48 dateTicker->setDateTimeSpec(Qt::UTC);
49
50 return dateTicker;
51 }
52 else {
53 // default ticker
54 return QSharedPointer<QCPAxisTicker>::create();
55 }
56 }
57
58 /// Formats a data value according to the axis on which it is present
59 QString formatValue(double value, const QCPAxis &axis)
60 {
61 // If the axis is a time axis, formats the value as a date
62 if (auto axisTicker = qSharedPointerDynamicCast<QCPAxisTickerDateTime>(axis.ticker())) {
63 return DateUtils::dateTime(value, axisTicker->dateTimeSpec()).toString(DATETIME_FORMAT);
64 }
65 else {
66 return QString::number(value);
67 }
68 }
69
70 37 void initPointTracerStyle(QCPItemTracer &tracer) noexcept
71 38 {
72 39 tracer.setInterpolating(false);
@@ -245,21 +212,14 void VisualizationGraphRenderingDelegate::onMouseMove(QMouseEvent *event) noexce
245 212 }
246 213 }
247 214
248 void VisualizationGraphRenderingDelegate::setAxesProperties(const Unit &xAxisUnit,
249 const Unit &valuesUnit) noexcept
215 void VisualizationGraphRenderingDelegate::setAxesProperties(
216 std::shared_ptr<IDataSeries> dataSeries) noexcept
250 217 {
251 218 // Stores x-axis label to be able to retrieve it when x-axis pixmap is unselected
252 impl->m_XAxisLabel = xAxisUnit.m_Name;
253
254 auto setAxisProperties = [](auto axis, const auto &unit) {
255 // label (unit name)
256 axis->setLabel(unit.m_Name);
219 impl->m_XAxisLabel = dataSeries->xAxisUnit().m_Name;
257 220
258 // ticker (depending on the type of unit)
259 axis->setTicker(axisTicker(unit.m_TimeUnit));
260 };
261 setAxisProperties(impl->m_Plot.xAxis, xAxisUnit);
262 setAxisProperties(impl->m_Plot.yAxis, valuesUnit);
221 auto axisHelper = IAxisHelperFactory::create(dataSeries);
222 axisHelper->setProperties(impl->m_Plot, *impl->m_ColorScale);
263 223
264 224 // Updates x-axis state
265 225 impl->updateXAxisState();
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@@ -114,21 +114,13 void VisualizationGraphWidget::addVariable(std::shared_ptr<Variable> variable, S
114 114 {
115 115 // Uses delegate to create the qcpplot components according to the variable
116 116 auto createdPlottables = VisualizationGraphHelper::create(variable, *ui->widget);
117 impl->m_VariableToPlotMultiMap.insert({variable, std::move(createdPlottables)});
118
119 // Set axes properties according to the units of the data series
120 /// @todo : for the moment, no control is performed on the axes: the units and the tickers
121 /// are fixed for the default x-axis and y-axis of the plot, and according to the new graph
122 auto xAxisUnit = Unit{};
123 auto valuesUnit = Unit{};
124 117
125 118 if (auto dataSeries = variable->dataSeries()) {
126 dataSeries->lockRead();
127 xAxisUnit = dataSeries->xAxisUnit();
128 valuesUnit = dataSeries->valuesUnit();
129 dataSeries->unlock();
119 // Set axes properties according to the units of the data series
120 impl->m_RenderingDelegate->setAxesProperties(dataSeries);
130 121 }
131 impl->m_RenderingDelegate->setAxesProperties(xAxisUnit, valuesUnit);
122
123 impl->m_VariableToPlotMultiMap.insert({variable, std::move(createdPlottables)});
132 124
133 125 connect(variable.get(), SIGNAL(updated()), this, SLOT(onDataCacheVariableUpdated()));
134 126
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