diff --git a/Modules/Chart/include/QmitkChartWidget.h b/Modules/Chart/include/QmitkChartWidget.h index 94b95a66e6..dea90f4365 100644 --- a/Modules/Chart/include/QmitkChartWidget.h +++ b/Modules/Chart/include/QmitkChartWidget.h @@ -1,268 +1,273 @@ /*=================================================================== The Medical Imaging Interaction Toolkit (MITK) Copyright (c) German Cancer Research Center, Division of Medical and Biological Informatics. All rights reserved. This software is distributed WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See LICENSE.txt or http://www.mitk.org for details. ===================================================================*/ #ifndef QmitkC3jsWidget_h #define QmitkC3jsWidget_h #include #include #include #include /*! \brief QmitkChartWidget is a widget to display various charts based on the javascript chart library plotly. * \details Data is added via AddData1D() or AddData2D().\n * There can be multiple charts (of different types with different properties) created by calling AddData1D or AddData2D multiple times.\n\n * The following chart types are supported: * * line chart * * bar chart * * spline chart * * pie chart * * scatter chart * * area chart * * area spline chart. * * Technical details: The javascript code is embedded in a QWebEngineView. The actual js code is implemented in resource\Chart.js. * \sa https://plot.ly/javascript/ for further information about the used javaScript library. * \ingroup Modules/Chart */ class MITKCHART_EXPORT QmitkChartWidget : public QWidget { Q_OBJECT public: /*! * \brief enum of diagram types. */ enum class ChartType { bar, /*!< bar chart, see https://plot.ly/javascript/bar-charts/ */ line, /*!< line chart, see https://plot.ly/javascript/line-charts/ */ spline, /*!< spline chart (smoothed line chart), see https://plot.ly/~jduelfer/23/spline/#/ */ pie, /*!< pie chart, see https://plot.ly/javascript/pie-charts/ */ area, /*!< area chart, see https://plot.ly/javascript/filled-area-plots/ */ area_spline, /*!< area-spline chart, similar to https://plot.ly/~jduelfer/23/spline/#/ */ scatter /*!< scatter chart, see https://plot.ly/javascript/line-and-scatter/ */ }; /*! * \brief enum of chart style (modifies background and line color). */ enum class ColorTheme { darkstyle, /*!< background color: dark gray, foreground color: white*/ lightstyle /*!< background color: white, foreground color: black */ }; enum class LineStyle { solid, dashed }; enum class AxisScale { linear, log }; /*! * \brief enum of legend position. * See https://plot.ly/javascript/legend/ */ enum class LegendPosition { bottomMiddle, bottomRight, topRight, topLeft, middleRight }; explicit QmitkChartWidget(QWidget* parent = nullptr); //for UnitTests explicit QmitkChartWidget(QWidget *parent, bool unitTest); ~QmitkChartWidget() override; /*! * \brief Adds 1D data to the widget * \details internally, the list is converted to a map with increasing integers keys starting at 0. * \param label the name of the data that is also used as identifier. * \param chartType the chart type that should be used for this data entry * \note the data can be cleared with ClearDiagram() * \note If the label name already exists, the name is replaced with a unique one by concatenating numbers to it. * \warning Pie chart is significantly different than the other chart types. Here, the data given by AddData1D is summed. Each entry represents a different category. */ void AddData1D(const std::vector& data1D, const std::string& label, ChartType chartType = ChartType::bar); /*! * \brief Adds 2D data to the widget. Call repeatedly for displaying multiple charts. * \details each entry represents a data point: key: value --> x-value: y-value. * \param label the name of the data that is also used as identifier. * \param chartType the chart type that should be used for this data entry * \note the data can be cleared with ClearDiagram() * \note If the label name already exists, the name is replaced with a unique one by concatenating numbers to it. * \warning Pie chart is significantly different than the other chart types. Here, the data given by AddData1D is summed. Each entry represents a different category. */ void AddData2D(const std::map &data2D, const std::string &label, ChartType chartType = ChartType::bar); /*! * \brief Removes data from the widget, works for 1D and 2D Data * \param label the name of the data that is also used as identifier. * \note All data can be cleared with ClearDiagram() * \throws Invalid Argument Exception when the label cannot be found */ void RemoveData(const std::string& label); /*! * \brief Sets the color of one data entry (identifier is previously assigned label) * \details the color name can be "red" or a hex number (#FF0000). * \warning Either define all data entries with a color or no data entry. If a mixed approach is used, * plotly choses the color of the data entry (that could be the same as a user defined color). * \note If an unknown label is given, nothing happens. * \sa https://www.w3schools.com/cssref/css_colors.asp */ void SetColor(const std::string& label, const std::string& colorName); /*! * \brief Sets the line style of one data entry (identifier is previously assigned label) * \details two line styles are possible: LineStyle::solid and LineStyle::dashed. * The default line style is solid. * \note If an unknown label is given, nothing happens. * \warning only sets the line style if the current chart type is ChartType::line. * However, the line style remains also if the chart changes (e.g. new chart type) */ void SetLineStyle(const std::string& label, LineStyle style); /*! * \brief Sets the axis scale to either linear (default) or logarithmic. * \sa https://plot.ly/javascript/log-plot/ */ void SetYAxisScale(AxisScale scale); void SetXAxisLabel(const std::string& label); void SetYAxisLabel(const std::string& label); /*! * \brief Sets a title for the chart. */ void SetTitle(const std::string &title); /*! * \brief Changes the chart type for all data entries and reloads the chart */ void SetChartTypeForAllDataAndReload(ChartType type); /*! * \brief Sets the chart type for a data entry * \details for available types, see ChartType * \note If an unknown label is given, nothing happens. * \warning Pie chart is significantly different than the other chart types. Here, the data given by AddData1D is summed. Each entry represents a different category. * \sa DiagramType for available types */ void SetChartType(const std::string& label, ChartType type); /*! * \brief Sets error bars for data in x direction * \note If only error plus is provided, the error bars are symmetrical * \param label the name of the data that is also used as identifier. * \param errorPlus the error in positive direction * \param errorMinus the error in negative direction. Same as error plus if omitted */ void SetXErrorBars(const std::string &label, const std::vector &errorPlus, const std::vector& errorMinus = std::vector()); /*! * \brief Sets error bars for data in y direction * \details for parameters, see SetXErrorBars * \note If only error plus is provided, the error bars are symmetrical */ void SetYErrorBars(const std::string &label, const std::vector &errorPlus, const std::vector &errorMinus = std::vector()); /*! * \brief Sets the legend position. * \details Default position is bottom. * \sa LegendPosition for available types */ void SetLegendPosition(LegendPosition position); void SetShowLegend(bool show); void SetStackedData(bool stacked); /*! * \brief Displays the chart in the widget * \param showSubChart if a subchart is displayed inside the widget or not. * \note if no data has been provided, (\sa AddData1D AddData2D), an empty chart is displayed. */ void Show(bool showSubChart=false); /*! * \brief Either displays the dataPoints or not * \param showDataPoints if dataPoints are displayed inside the widget or not. * \details: example for not showing points: https://plot.ly/javascript/line-charts/#styling-line-plot * example for showing the points: https://plot.ly/javascript/pointcloud/ */ void SetShowDataPoints(bool showDataPoints); /*! * \brief Clears all data inside and resets the widget. */ void Clear(); /*! * \brief Sets the theme of the widget. * \details default is dark theme as in MITK. * \warning has to be called before Show() or Reload() to work */ void SetTheme(ColorTheme themeEnabled); /*! * \brief Sets whether the subchart shall be shown. * \details Changes the state of the current chart object. * \note Needs to be reloaded with Reload() to display changes. */ void SetShowSubchart(bool showSubChart); /*! * \brief Sets whether the error bars shall be shown. * \details Changes the state of the current chart object. * \note Needs to be reloaded with Reload() to display changes. * \param showErrorBars if error bars are displayed or not. */ void SetShowErrorBars(bool showErrorBars); /*! - * \brief Updates the histogramīs min and max values - * \details Zooms in to view the values between minValue and maxValue + * \brief Updates the min and max x values of the chart + * \details Zooms in to view the values between minValue and maxValue in x direction */ void UpdateMinMaxValueXView(double minValueX,double maxValueX); + /*! + * \brief Updates the min and max y values of the chart + * \details Zooms in to view the values between minValue and maxValue in y direction + */ + void UpdateMinMaxValueYView(double minValueY, double maxValueY); /*! * \brief Reloads the chart in the widget * \details reloading may be needed to display added data in an existing chart */ void Reload(); QSize sizeHint() const override; public slots: void OnLoadFinished(bool isLoadSuccessful); void OnPageSuccessfullyLoaded(); signals: void PageSuccessfullyLoaded(); private: /*! source: https://stackoverflow.com/questions/29383/converting-bool-to-text-in-c*/ std::string convertBooleanValue(bool value) const; class Impl; std::unique_ptr m_Impl; }; #endif diff --git a/Modules/Chart/resource/Chart.js b/Modules/Chart/resource/Chart.js index 85d9ba60f9..04ce1a79d0 100644 --- a/Modules/Chart/resource/Chart.js +++ b/Modules/Chart/resource/Chart.js @@ -1,405 +1,420 @@ document.body.style.backgroundColor = 'rgb(240, 240, 240)'; const minHeight = 255; var chart; var chartData; var xErrorValuesPlus=[]; var xErrorValuesMinus=[]; var yErrorValuesPlus=[]; var yErrorValuesMinus=[]; var xValues=[]; var yValues=[]; var dataLabels=[]; var xs = {}; var dataColors = {}; var chartTypes = {}; var lineStyle = {}; var backgroundColor = '#f0f0f0'; var foregroundColor = 'black'; var dataProperties = {}; // Important loading function. This will be executed at first in this whole script. // Fetching data from QWebChannel and storing them for display purposes. window.onload = function() { initHeight(); new QWebChannel(qt.webChannelTransport, function(channel) { chartData = channel.objects.chartData; let count = 0; for(let propertyName in channel.objects) { if (propertyName != 'chartData') { let xDataTemp = channel.objects[propertyName].m_XData; let yDataTemp = channel.objects[propertyName].m_YData; let xErrorsTempPlus = channel.objects[propertyName].m_XErrorDataPlus; let xErrorsTempMinus = channel.objects[propertyName].m_XErrorDataMinus; let yErrorsTempPlus = channel.objects[propertyName].m_YErrorDataPlus; let yErrorsTempMinus = channel.objects[propertyName].m_YErrorDataMinus; let dataLabel = channel.objects[propertyName].m_Label; dataLabels.push(dataLabel); console.log("loading datalabel: "+dataLabel); //add label to x array xDataTemp.unshift('x'+count.toString()) xs[dataLabel] = 'x' + count.toString() xDataTemp.push(null); //append null value, to make sure the last tick on x-axis is displayed correctly yDataTemp.unshift(dataLabel) yDataTemp.push(null); //append null value, to make sure the last tick on y-axis is displayed correctly xValues[count] = xDataTemp yValues[count] = yDataTemp xErrorValuesPlus[count] = xErrorsTempPlus; xErrorValuesMinus[count] = xErrorsTempMinus; yErrorValuesPlus[count] = yErrorsTempPlus; yErrorValuesMinus[count] = yErrorsTempMinus; var tempLineStyle = ''; if (channel.objects[propertyName].m_LineStyleName == "solid") { tempLineStyle = '' } else { tempLineStyle = "dashed" } dataProperties[dataLabel] = { "color" : channel.objects[propertyName].m_Color, "chartType": channel.objects[propertyName].m_ChartType, "style": tempLineStyle } count++; } } var theme = chartData.m_themeName; setThemeColors(theme); generateChart(chartData); }); } /** * Inits the height of the chart element to 90% of the full window height. */ function initHeight() { var size = window.innerHeight-(window.innerHeight/100*5); //subtract 10% of height to hide vertical scrool bar let chart = document.getElementById("chart"); chart.style.height = `${size}px`; } function getPlotlyChartType(inputType){ let plotlyType = inputType; if (inputType == "line"){ plotlyType = "scatter"; } else if (inputType == "scatter"){ plotlyType = "scatterOnly" } return plotlyType; } /** * Generate error bars object * * @param {array} errors - contains error bar values * @return error bar object */ function generateErrorBars(errors, visible){ let errorObject = { type: 'data', array: errors, visible: visible } return errorObject; } function generateErrorBarsAsymmetric(errorsPlus, errorsMinus, visible){ let errorObject = generateErrorBars(errorsPlus, visible); errorObject["arrayminus"] = errorsMinus; errorObject["symmetric"] = false; return errorObject; } function generateStackPlotData(){ let data = []; for (let index = 0; index < dataLabels.length; index++){ let inputType = dataProperties[dataLabels[index]]["chartType"]; let chartType = getPlotlyChartType(inputType); let trace = { x: xValues[index].slice(1), y: yValues[index].slice(1), stackgroup: 'one', name: dataLabels[index], type: chartType, marker:{ color: dataProperties[dataLabels[index]]["color"] } }; data.push(trace); } return data; } function generatePlotData(){ let data = []; for (let index = 0; index < dataLabels.length; index++){ let inputType = dataProperties[dataLabels[index]]["chartType"]; let chartType = getPlotlyChartType(inputType); let trace = { x: xValues[index].slice(1), y: yValues[index].slice(1), type: chartType, name: dataLabels[index], }; if(typeof xErrorValuesPlus[index] !== 'undefined'){ if(typeof xErrorValuesMinus[index] !== 'undefined' && xErrorValuesMinus[index].length > 0) { trace["error_x"] = generateErrorBarsAsymmetric(xErrorValuesPlus[index], xErrorValuesMinus[index], chartData.m_ShowErrorBars); }else{ trace["error_x"] = generateErrorBars(xErrorValuesPlus[index], chartData.m_ShowErrorBars); } } if(typeof yErrorValuesPlus[index] !== 'undefined'){ if(typeof yErrorValuesMinus[index] !== 'undefined' && yErrorValuesMinus[index].length > 0) { trace["error_y"] = generateErrorBarsAsymmetric(yErrorValuesPlus[index], yErrorValuesMinus[index], chartData.m_ShowErrorBars); }else{ trace["error_y"] = generateErrorBars(yErrorValuesPlus[index], chartData.m_ShowErrorBars); } } // ===================== CHART TYPE OPTIONS HANDLING =========== // initialize line object trace["line"] = {} trace["line"]["color"] = dataProperties[dataLabels[index]]["color"] if (chartType == "scatter"){ } else if (chartType == "area"){ trace["fill"] = 'tozeroy' } else if (chartType == "spline"){ trace["line"]["shape"] = 'spline' } else if (chartType == "scatterOnly"){ trace["mode"] = 'markers'; } else if (chartType == "area-spline"){ trace["fill"] = 'tozeroy' trace["line"]["shape"] = 'spline' } // handle marker visibility/size/color trace["marker"] = {size: chartData.m_DataPointSize, color: dataProperties[dataLabels[index]]["color"]} if (chartData.m_DataPointSize == 0){ trace["mode"] = "lines"; } if (dataProperties[dataLabels[index]]["style"] == "dashed"){ trace["line"]["dash"] = "dot" } data.push(trace) } return data; } /** * Here, the chart magic takes place. Plot.ly is called. * * @param {object} chartData - containing the options for plotting, not the actual values */ function generateChart(chartData) { console.log("generate chart"); if (chartData == undefined) { chartData = {} } if (dataLabels == undefined) { dataLabels = [] } //=============================== DATA ======================== var data = []; if (chartData.m_StackedData){ data = generateStackPlotData(); } else { data = generatePlotData(); } //=============================== STYLE ======================== let marginTop = chartData.m_chartTitle == undefined ? 10 : 50; if (chartData.m_LegendPosition == "bottomMiddle"){ var legendX = 0.5; var legendY = -0.75; } else if (chartData.m_LegendPosition == "bottomRight"){ var legendX = 1; var legendY = 0; } else if (chartData.m_LegendPosition == "topRight"){ var legendX = 1; var legendY = 1; } else if (chartData.m_LegendPosition == "topLeft"){ var legendX = 0; var legendY = 1; } else if (chartData.m_LegendPosition == "middleRight"){ var legendX = 1; var legendY = 0.5; } var layout = { paper_bgcolor : backgroundColor, plot_bgcolor : backgroundColor, title: { text:chartData.m_chartTitle, font: { color: foregroundColor } }, xaxis: { title: { text: chartData.m_xAxisLabel }, color: foregroundColor }, yaxis: { title: { text:chartData.m_yAxisLabel }, color: foregroundColor }, margin: { l: 50, r: 10, b: 20, t: marginTop, pad: 4 }, showlegend: chartData.m_ShowLegend, legend: { x: legendX, y: legendY, font : { color: foregroundColor } } }; if (chartData.m_StackedData){ layout["barmode"] = 'stack'; } if (chartData.m_YAxisScale){ layout.yaxis["type"] = "log" } if (chartData.m_ShowSubchart){ layout.xaxis.rangeslider = {}; // adds range slider below x axis } Plotly.newPlot('chart', data, layout, {displayModeBar: false, responsive: true}); } /** * Change theme of chart. * * @param {string} color - dark or not dark */ function changeTheme(color) { setThemeColors(color); link = document.getElementsByTagName("link")[0]; if (color == 'dark') { link.href = "Chart_dark.css"; } else { link.href = "Chart.css"; } }; /** * Reload the chart with the given arguments. * * This method is called by C++. Changes on signature with caution. */ function Reload(){ console.log("Reload chart"); generateChart(chartData); } function SetShowSubchart(showSubchart) { chartData.m_ShowSubchart = showSubchart; } function setThemeColors(theme){ if (theme == 'dark'){ backgroundColor = '#2d2d30'; foregroundColor = 'white'; } else { backgroundColor = '#f0f0f0'; foregroundColor = 'black'; } } function SetStackDataString(stackDataString) { chartData.m_StackedData = stackDataString; } function SetShowErrorBars(showErrorBars) { chartData.m_ShowErrorBars = showErrorBars; } /** * Zooms to the given x-axis min and max values. */ function UpdateMinMaxValueXView(minValueX, maxValueX) { //y-Axis can't be adapted for now. See https://github.com/plotly/plotly.js/issues/1876 let chart = document.getElementById("chart"); let update = { xaxis:{ range:[minValueX, maxValueX] } }; Plotly.relayout(chart, update); } +/** + * Zooms to the given y-axis min and max values. + */ +function UpdateMinMaxValueYView(minValueY, maxValueY) +{ + //x-Axis can't be adapted for now. See https://github.com/plotly/plotly.js/issues/1876 + let chart = document.getElementById("chart"); + let update = { + yaxis:{ + range:[minValueY, maxValueY] + } + }; + Plotly.relayout(chart, update); +} + /** * Transforms the view to another chart type. * * This method is called by C++. Changes on signature with caution. * @param {string} transformTo - 'line' or 'bar' */ function transformView(transformTo) { console.log("transform view"); console.log(transformTo); dataProperties[dataLabels[0]]["chartType"] = transformTo; // preserve chartType for later updates let plotlyType = getPlotlyChartType(transformTo); let chart = document.getElementById("chart"); let update = {type : plotlyType}; Plotly.restyle(chart, update, 0); // updates the given plotly trace at index 0 with an update object built of a standard trace object }; diff --git a/Modules/Chart/src/QmitkChartWidget.cpp b/Modules/Chart/src/QmitkChartWidget.cpp index 69018d3f73..1b89c2bb22 100644 --- a/Modules/Chart/src/QmitkChartWidget.cpp +++ b/Modules/Chart/src/QmitkChartWidget.cpp @@ -1,660 +1,667 @@ /*=================================================================== The Medical Imaging Interaction Toolkit (MITK) Copyright (c) German Cancer Research Center, Division of Medical and Biological Informatics. All rights reserved. This software is distributed WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See LICENSE.txt or http://www.mitk.org for details. ===================================================================*/ #include #include #include #include #include #include #include "mitkExceptionMacro.h" #include #include class CustomPage : public QWebEnginePage { public: CustomPage(QObject *parent = 0) : QWebEnginePage(parent) {} virtual void javaScriptConsoleMessage(JavaScriptConsoleMessageLevel /*level*/, const QString &message, int lineNumber, const QString & /*sourceID*/) { MITK_INFO << "JS > " << lineNumber << ": " << message.toStdString(); } }; class QmitkChartWidget::Impl final { public: explicit Impl(QWidget *parent); ~Impl(); Impl(const Impl &) = delete; Impl &operator=(const Impl &) = delete; void AddData1D(const std::vector &data1D, const std::string &label, QmitkChartWidget::ChartType chartType); void AddData2D(const std::map &data2D, const std::string &label, QmitkChartWidget::ChartType chartType); void RemoveData(const std::string &label); void ClearData(); void SetColor(const std::string &label, const std::string &colorName); void SetLineStyle(const std::string &label, LineStyle style); void SetYAxisScale(AxisScale scale); void SetXAxisLabel(const std::string &label); void SetYAxisLabel(const std::string &label); void SetTitle(const std::string &title); void SetXErrorBars(const std::string &label, const std::vector &errorPlus, const std::vector &errorMinus = std::vector()); void SetYErrorBars(const std::string &label, const std::vector &errorPlus, const std::vector &errorMinus = std::vector()); std::string GetThemeName() const; void SetThemeName(ColorTheme style); void SetChartType(QmitkChartWidget::ChartType chartType); void SetLegendPosition(LegendPosition position); void SetChartTypeByLabel(const std::string &label, QmitkChartWidget::ChartType chartType); void Show(bool showSubChart); void SetShowLegend(bool show); void SetShowErrorBars(bool show); void SetStackedData(bool stacked); void SetShowDataPoints(bool showDataPoints = false); void SetChartType(const std::string &label, QmitkChartWidget::ChartType chartType); QList ConvertErrorVectorToQList(const std::vector &error); std::string ConvertChartTypeToString(QmitkChartWidget::ChartType chartType) const; void ClearJavaScriptChart(); void InitializeJavaScriptChart(); void CallJavaScriptFuntion(const QString &command); QSize sizeHint() const; private: using ChartxyDataVector = std::vector>; std::string GetUniqueLabelName(const QList &labelList, const std::string &label) const; QmitkChartxyData *GetDataElementByLabel(const std::string &label) const; QList GetDataLabels(const ChartxyDataVector &c3xyData) const; QWebChannel *m_WebChannel; QWebEngineView *m_WebEngineView; QmitkChartData m_C3Data; ChartxyDataVector m_C3xyData; std::map m_ChartTypeToName; std::map m_ColorThemeToName; std::map m_LegendPositionToName; std::map m_LineStyleToName; std::map m_AxisScaleToName; }; std::string QmitkChartWidget::Impl::GetThemeName() const { return m_C3Data.GetThemeName().toString().toStdString(); } QmitkChartWidget::Impl::Impl(QWidget *parent) : m_WebChannel(new QWebChannel(parent)), m_WebEngineView(new QWebEngineView(parent)) { // disable context menu for QWebEngineView m_WebEngineView->setContextMenuPolicy(Qt::NoContextMenu); m_WebEngineView->setPage(new CustomPage()); // Set the webengineview to an initial empty page. The actual chart will be loaded once the data is calculated. m_WebEngineView->load(QUrl(QStringLiteral("qrc:///Chart/empty.html"))); m_WebEngineView->page()->setWebChannel(m_WebChannel); m_WebEngineView->settings()->setAttribute(QWebEngineSettings::FocusOnNavigationEnabled, false); connect(m_WebEngineView, SIGNAL(loadFinished(bool)), parent, SLOT(OnLoadFinished(bool))); auto layout = new QGridLayout(parent); layout->setMargin(0); layout->addWidget(m_WebEngineView); m_ChartTypeToName.emplace(ChartType::bar, "bar"); m_ChartTypeToName.emplace(ChartType::line, "line"); m_ChartTypeToName.emplace(ChartType::spline, "spline"); m_ChartTypeToName.emplace(ChartType::pie, "pie"); m_ChartTypeToName.emplace(ChartType::area, "area"); m_ChartTypeToName.emplace(ChartType::area_spline, "area-spline"); m_ChartTypeToName.emplace(ChartType::scatter, "scatter"); m_LegendPositionToName.emplace(LegendPosition::bottomMiddle, "bottomMiddle"); m_LegendPositionToName.emplace(LegendPosition::bottomRight, "bottomRight"); m_LegendPositionToName.emplace(LegendPosition::topRight, "topRight"); m_LegendPositionToName.emplace(LegendPosition::topLeft, "topLeft"); m_LegendPositionToName.emplace(LegendPosition::middleRight, "middleRight"); m_LineStyleToName.emplace(LineStyle::solid, "solid"); m_LineStyleToName.emplace(LineStyle::dashed, "dashed"); m_AxisScaleToName.emplace(AxisScale::linear, ""); m_AxisScaleToName.emplace(AxisScale::log, "log"); m_ColorThemeToName.emplace(ColorTheme::lightstyle, "light"); m_ColorThemeToName.emplace(ColorTheme::darkstyle, "dark"); } QmitkChartWidget::Impl::~Impl() {} std::string CheckForCorrectHex(const std::string &colorName) { std::regex rgx("([A-Fa-f0-9]{6}|[A-Fa-f0-9]{3})"); std::smatch match; if (!colorName.empty() && colorName.at(0) != '#' && std::regex_search(colorName.begin(), colorName.end(), match, rgx)) { return "#" + colorName; } else { return colorName; } } void QmitkChartWidget::Impl::AddData1D(const std::vector &data1D, const std::string &label, QmitkChartWidget::ChartType type) { std::map transformedData2D; unsigned int count = 0; // transform the 1D data to 2D data for (const auto &ele : data1D) { transformedData2D[count] = ele; count++; } AddData2D(transformedData2D, label, type); } void QmitkChartWidget::Impl::AddData2D(const std::map &data2D, const std::string &label, QmitkChartWidget::ChartType type) { QMap data2DConverted; for (const auto &aValue : data2D) { data2DConverted.insert(aValue.first, aValue.second); } const std::string chartTypeName(m_ChartTypeToName.at(type)); auto definedLabels = GetDataLabels(m_C3xyData); auto uniqueLabel = GetUniqueLabelName(definedLabels, label); if (type == ChartType::scatter) { SetShowDataPoints(true); MITK_INFO << "Enabling data points for all because of scatter plot"; } m_C3xyData.push_back(std::make_unique( data2DConverted, QVariant(QString::fromStdString(uniqueLabel)), QVariant(QString::fromStdString(chartTypeName)))); } void QmitkChartWidget::Impl::RemoveData(const std::string &label) { for (ChartxyDataVector::iterator iter = m_C3xyData.begin(); iter != m_C3xyData.end(); ++iter) { if ((*iter)->GetLabel().toString().toStdString() == label) { m_C3xyData.erase(iter); return; } } throw std::invalid_argument("Cannot Remove Data because the label does not exist."); } void QmitkChartWidget::Impl::ClearData() { for (auto &xyData : m_C3xyData) { m_WebChannel->deregisterObject(xyData.get()); } m_C3xyData.clear(); } void QmitkChartWidget::Impl::SetColor(const std::string &label, const std::string &colorName) { auto element = GetDataElementByLabel(label); if (element) { auto colorChecked = CheckForCorrectHex(colorName); element->SetColor(QVariant(QString::fromStdString(colorChecked))); } } void QmitkChartWidget::Impl::SetLineStyle(const std::string &label, LineStyle style) { auto element = GetDataElementByLabel(label); const std::string lineStyleName(m_LineStyleToName.at(style)); element->SetLineStyle(QVariant(QString::fromStdString(lineStyleName))); } void QmitkChartWidget::Impl::SetYAxisScale(AxisScale scale) { const std::string axisScaleName(m_AxisScaleToName.at(scale)); m_C3Data.SetYAxisScale(QString::fromStdString(axisScaleName)); } QmitkChartxyData *QmitkChartWidget::Impl::GetDataElementByLabel(const std::string &label) const { for (const auto &qmitkChartxyData : m_C3xyData) { if (qmitkChartxyData->GetLabel().toString() == label.c_str()) { return qmitkChartxyData.get(); } } MITK_WARN << "label " << label << " not found in QmitkChartWidget"; return nullptr; } QList QmitkChartWidget::Impl::GetDataLabels(const ChartxyDataVector &c3xyData) const { QList dataLabels; for (auto element = c3xyData.begin(); element != c3xyData.end(); ++element) { dataLabels.push_back((*element)->GetLabel()); } return dataLabels; } void QmitkChartWidget::Impl::SetXAxisLabel(const std::string &label) { m_C3Data.SetXAxisLabel(QString::fromStdString(label)); } void QmitkChartWidget::Impl::SetYAxisLabel(const std::string &label) { m_C3Data.SetYAxisLabel(QString::fromStdString(label)); } void QmitkChartWidget::Impl::SetTitle(const std::string &title) { m_C3Data.SetTitle(QString::fromStdString(title)); } void QmitkChartWidget::Impl::SetThemeName(QmitkChartWidget::ColorTheme style) { const std::string themeName(m_ColorThemeToName.at(style)); m_C3Data.SetThemeName(QString::fromStdString(themeName)); } void QmitkChartWidget::Impl::SetChartType(QmitkChartWidget::ChartType chartType) { for (auto iterator = m_C3xyData.begin(); iterator != m_C3xyData.end(); ++iterator) { SetChartTypeByLabel((*iterator)->GetLabel().toString().toStdString(), chartType); } auto chartTypeName = ConvertChartTypeToString(chartType); const QString command = QString::fromStdString("transformView('" + chartTypeName + "')"); CallJavaScriptFuntion(command); } void QmitkChartWidget::Impl::SetChartTypeByLabel(const std::string &label, QmitkChartWidget::ChartType chartType) { auto element = GetDataElementByLabel(label); if (element) { if (chartType == ChartType::scatter) { SetShowDataPoints(true); MITK_INFO << "Enabling data points for all because of scatter plot"; } auto chartTypeName = ConvertChartTypeToString(chartType); element->SetChartType(QVariant(QString::fromStdString(chartTypeName))); } } void QmitkChartWidget::Impl::SetLegendPosition(QmitkChartWidget::LegendPosition legendPosition) { const std::string legendPositionName(m_LegendPositionToName.at(legendPosition)); m_C3Data.SetLegendPosition(QString::fromStdString(legendPositionName)); } void QmitkChartWidget::Impl::Show(bool showSubChart) { if (m_C3xyData.empty()) { MITK_WARN << "no data available for display in chart"; } else { m_C3Data.SetAppearance(showSubChart, m_C3xyData.front()->GetChartType() == QVariant("pie")); } InitializeJavaScriptChart(); } void QmitkChartWidget::Impl::SetShowLegend(bool show) { m_C3Data.SetShowLegend(show); } void QmitkChartWidget::Impl::SetStackedData(bool stacked) { m_C3Data.SetStackedData(stacked); } void QmitkChartWidget::Impl::SetShowErrorBars(bool show) { m_C3Data.SetShowErrorBars(show); } void QmitkChartWidget::Impl::SetShowDataPoints(bool showDataPoints) { if (showDataPoints == true) { m_C3Data.SetDataPointSize(6.5); } else { m_C3Data.SetDataPointSize(0); } } void QmitkChartWidget::Impl::SetChartType(const std::string &label, QmitkChartWidget::ChartType chartType) { auto element = GetDataElementByLabel(label); if (element) { if (chartType == ChartType::scatter) { SetShowDataPoints(true); MITK_INFO << "Enabling data points for all because of scatter plot"; } const std::string chartTypeName(m_ChartTypeToName.at(chartType)); element->SetChartType(QVariant(QString::fromStdString(chartTypeName))); } } QList QmitkChartWidget::Impl::ConvertErrorVectorToQList(const std::vector &error) { QList errorConverted; for (const auto &aValue : error) { errorConverted.append(aValue); } return errorConverted; } void QmitkChartWidget::Impl::SetXErrorBars(const std::string &label, const std::vector &errorPlus, const std::vector &errorMinus) { auto element = GetDataElementByLabel(label); if (element) { auto errorConvertedPlus = ConvertErrorVectorToQList(errorPlus); auto errorConvertedMinus = ConvertErrorVectorToQList(errorMinus); element->SetXErrorDataPlus(errorConvertedPlus); element->SetXErrorDataMinus(errorConvertedMinus); } } void QmitkChartWidget::Impl::SetYErrorBars(const std::string &label, const std::vector &errorPlus, const std::vector &errorMinus) { auto element = GetDataElementByLabel(label); if (element) { auto errorConvertedPlus = ConvertErrorVectorToQList(errorPlus); auto errorConvertedMinus = ConvertErrorVectorToQList(errorMinus); element->SetYErrorDataPlus(errorConvertedPlus); element->SetYErrorDataMinus(errorConvertedMinus); } } std::string QmitkChartWidget::Impl::ConvertChartTypeToString(QmitkChartWidget::ChartType chartType) const { return m_ChartTypeToName.at(chartType); } QSize QmitkChartWidget::Impl::sizeHint() const { return QSize(400, 300); } void QmitkChartWidget::Impl::CallJavaScriptFuntion(const QString &command) { m_WebEngineView->page()->runJavaScript(command); } void QmitkChartWidget::Impl::ClearJavaScriptChart() { m_WebEngineView->load(QUrl(QStringLiteral("qrc:///Chart/empty.html"))); } void QmitkChartWidget::Impl::InitializeJavaScriptChart() { m_WebChannel->registerObject(QStringLiteral("chartData"), &m_C3Data); unsigned count = 0; for (auto &xyData : m_C3xyData) { QString variableName = "xyData" + QString::number(count); m_WebChannel->registerObject(variableName, xyData.get()); count++; } m_WebEngineView->load(QUrl(QStringLiteral("qrc:///Chart/QmitkChartWidget.html"))); } std::string QmitkChartWidget::Impl::GetUniqueLabelName(const QList &labelList, const std::string &label) const { QString currentLabel = QString::fromStdString(label); int counter = 0; while (labelList.contains(currentLabel)) { currentLabel = QString::fromStdString(label + std::to_string(counter)); counter++; } return currentLabel.toStdString(); } QmitkChartWidget::QmitkChartWidget(QWidget *parent) : QWidget(parent), m_Impl(new Impl(this)) { connect(this, &QmitkChartWidget::PageSuccessfullyLoaded, this, &QmitkChartWidget::OnPageSuccessfullyLoaded); } QmitkChartWidget::~QmitkChartWidget() {} void QmitkChartWidget::AddData2D(const std::map &data2D, const std::string &label, ChartType type) { m_Impl->AddData2D(data2D, label, type); } void QmitkChartWidget::SetColor(const std::string &label, const std::string &colorName) { m_Impl->SetColor(label, colorName); } void QmitkChartWidget::SetLineStyle(const std::string &label, LineStyle style) { m_Impl->SetLineStyle(label, style); } void QmitkChartWidget::SetYAxisScale(AxisScale scale) { m_Impl->SetYAxisScale(scale); } void QmitkChartWidget::AddData1D(const std::vector &data1D, const std::string &label, ChartType type) { m_Impl->AddData1D(data1D, label, type); } void QmitkChartWidget::RemoveData(const std::string &label) { m_Impl->RemoveData(label); } void QmitkChartWidget::SetXAxisLabel(const std::string &label) { m_Impl->SetXAxisLabel(label); } void QmitkChartWidget::SetYAxisLabel(const std::string &label) { m_Impl->SetYAxisLabel(label); } void QmitkChartWidget::SetTitle(const std::string &title) { m_Impl->SetTitle(title); } void QmitkChartWidget::SetShowDataPoints(bool showDataPoints) { m_Impl->SetShowDataPoints(showDataPoints); } void QmitkChartWidget::SetChartType(const std::string &label, ChartType type) { m_Impl->SetChartType(label, type); } void QmitkChartWidget::SetXErrorBars(const std::string &label, const std::vector &errorPlus, const std::vector &errorMinus) { m_Impl->SetXErrorBars(label, errorPlus, errorMinus); } void QmitkChartWidget::SetYErrorBars(const std::string &label, const std::vector &errorPlus, const std::vector &errorMinus) { m_Impl->SetYErrorBars(label, errorPlus, errorMinus); } void QmitkChartWidget::SetLegendPosition(LegendPosition position) { m_Impl->SetLegendPosition(position); } void QmitkChartWidget::SetShowLegend(bool show) { m_Impl->SetShowLegend(show); } void QmitkChartWidget::SetStackedData(bool stacked) { m_Impl->SetStackedData(stacked); } void QmitkChartWidget::Show(bool showSubChart) { m_Impl->Show(showSubChart); } void QmitkChartWidget::Clear() { m_Impl->ClearData(); m_Impl->ClearJavaScriptChart(); } void QmitkChartWidget::OnLoadFinished(bool isLoadSuccessful) { if (isLoadSuccessful) { emit PageSuccessfullyLoaded(); } } void QmitkChartWidget::OnPageSuccessfullyLoaded() { auto themeName = m_Impl->GetThemeName(); QString command; if (themeName == "dark") { command = QString("changeTheme('dark')"); } else { command = QString("changeTheme('light')"); } m_Impl->CallJavaScriptFuntion(command); } std::string QmitkChartWidget::convertBooleanValue(bool value) const { std::stringstream converter; converter << std::boolalpha << value; return converter.str(); } void QmitkChartWidget::SetChartTypeForAllDataAndReload(ChartType type) { m_Impl->SetChartType(type); } void QmitkChartWidget::SetTheme(ColorTheme themeEnabled) { m_Impl->SetThemeName(themeEnabled); } void QmitkChartWidget::SetShowSubchart(bool showSubChart) { QString subChartString = QString::fromStdString(convertBooleanValue(showSubChart)); const QString command = QString("SetShowSubchart(" + subChartString + ")"); m_Impl->CallJavaScriptFuntion(command); } void QmitkChartWidget::SetShowErrorBars(bool showErrorBars) { m_Impl->SetShowErrorBars(showErrorBars); } void QmitkChartWidget::UpdateMinMaxValueXView(double minValueX, double maxValueX) { QString minMaxValueXString = QString::fromStdString(std::to_string(minValueX))+QString(","); minMaxValueXString += QString::fromStdString(std::to_string(maxValueX)); const QString command = QString("UpdateMinMaxValueXView(" + minMaxValueXString + ")"); m_Impl->CallJavaScriptFuntion(command); } +void QmitkChartWidget::UpdateMinMaxValueYView(double minValueY, double maxValueY) { + QString minMaxValueYString = QString::fromStdString(std::to_string(minValueY)) + QString(","); + minMaxValueYString += QString::fromStdString(std::to_string(maxValueY)); + const QString command = QString("UpdateMinMaxValueYView(" + minMaxValueYString + ")"); + m_Impl->CallJavaScriptFuntion(command); +} + void QmitkChartWidget::Reload() { const QString command = QString("Reload()"); m_Impl->CallJavaScriptFuntion(command); } QSize QmitkChartWidget::sizeHint() const { return m_Impl->sizeHint(); }