Extend Axis data class

limereport/items/lrchartitem.cpp

@@ -147,6 +147,9 @@ ChartItem::ChartItem(QObject *owner, QGraphicsItem *parent)
       m_horizontalAxisOnTop(false), m_gridChartLines(AllLines),
       m_legendStyle(LegendPoints)
 {
+    m_xAxisData = new AxisData(this);
+    m_xAxisData->setReverseDirection(true);
+    m_yAxisData = new AxisData(this);
     m_labels<<"First"<<"Second"<<"Thrid";
     m_chart = new PieChart(this);
     m_chart->setTitleFont(font());
@@ -224,6 +227,42 @@ void ChartItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
     ItemDesignIntf::paint(painter,option,widget);
 }
 
+QObject *ChartItem::xAxisSettings()
+{
+    return m_xAxisData;
+}
+
+void ChartItem::setYAxisSettings(QObject *axis)
+{
+    AxisData *data = dynamic_cast<AxisData*>(axis);
+    if (data) {
+        m_yAxisData->copy(data);
+    }
+}
+
+QObject *ChartItem::yAxisSettings()
+{
+    return m_yAxisData;
+}
+
+void ChartItem::setXAxisSettings(QObject *axis)
+{
+    AxisData *data = static_cast<AxisData*>(axis);
+    if (data) {
+        m_xAxisData->copy(data);
+    }
+}
+
+AxisData *ChartItem::xAxisData()
+{
+    return m_xAxisData;
+}
+
+AxisData *ChartItem::yAxisData()
+{
+    return m_yAxisData;
+}
+
 BaseDesignIntf *ChartItem::createSameTypeItem(QObject *owner, QGraphicsItem *parent)
 {
     ChartItem* result = new ChartItem(owner,parent);
@@ -289,10 +328,7 @@ void ChartItem::fillLabels(IDataSource *dataSource)
 
 QWidget *ChartItem::defaultEditor()
 {
-    QSettings* l_settings = (page()->settings() != 0) ?
-                                 page()->settings() :
-                                 (page()->reportEditor()!=0) ? page()->reportEditor()->settings() : 0;
-    QWidget* editor = new ChartItemEditor(this, page(), l_settings);
+    QWidget* editor = new ChartItemEditor(this, page(), settings());
     editor->setAttribute(Qt::WA_DeleteOnClose);
     return editor;
 }
@@ -302,6 +338,18 @@ bool ChartItem::isNeedUpdateSize(RenderPass pass) const
     return  pass == FirstPass && m_isEmpty;
 }
 
+QSettings *ChartItem::settings()
+{
+    PageDesignIntf *page = this->page();
+    if (page->settings()) {
+        return page->settings();
+    }
+    if (page->reportEditor()) {
+        return page->reportEditor()->settings();
+    }
+    return 0;
+}
+
 bool ChartItem::showLegend() const
 {
     return m_showLegend;
@@ -724,22 +772,22 @@ AbstractSeriesChart::AbstractSeriesChart(ChartItem *chartItem)
 
 qreal AbstractSeriesChart::maxValue()
 {
-    return m_yAxisData.maxValue();
+    return m_chartItem->yAxisData()->maxValue();
 }
 
 qreal AbstractSeriesChart::minValue()
 {
-    return m_yAxisData.minValue();
+    return m_chartItem->yAxisData()->minValue();
 }
 
-AxisData AbstractSeriesChart::yAxisData()
+AxisData &AbstractSeriesChart::xAxisData() const
 {
-    return m_yAxisData;
+    return *m_chartItem->xAxisData();
 }
 
-AxisData AbstractSeriesChart::xAxisData()
+AxisData &AbstractSeriesChart::yAxisData() const
 {
-    return m_xAxisData;
+    return *m_chartItem->yAxisData();
 }
 
 void AbstractSeriesChart::updateMinAndMaxValues()
@@ -772,8 +820,8 @@ void AbstractSeriesChart::updateMinAndMaxValues()
         }
     }
 
-    m_yAxisData = AxisData(minYValue, maxYValue);
-    m_xAxisData = AxisData(minXValue, maxXValue);
+    m_chartItem->xAxisData()->update(minXValue, maxXValue);
+    m_chartItem->yAxisData()->update(minYValue, maxYValue);
 }
 
 qreal AbstractSeriesChart::hPadding(QRectF chartRect)

limereport/items/lrchartitem.h

@@ -97,8 +97,8 @@ class AbstractSeriesChart: public AbstractChart{
 public:
     AbstractSeriesChart(ChartItem* chartItem);
 protected:
-    AxisData yAxisData();
-    AxisData xAxisData();
+    AxisData &xAxisData() const;
+    AxisData &yAxisData() const;
     qreal maxValue();
     qreal minValue();
     void updateMinAndMaxValues();
@@ -125,7 +125,6 @@ private:
     bool calculateLegendColumnWidths(qreal indicatorWidth, qreal maxWidth, const QFontMetrics &fm);
     bool calculateLegendSingleColumnWidth(qreal &currentRowWidth, int &currentColumn, int &maxColumnCount,
                                           const qreal itemWidth, const qreal maxRowWidth);
-    AxisData m_yAxisData, m_xAxisData;
     qreal m_designValues [9];
 };
 
@@ -146,6 +145,8 @@ private:
 class ChartItem : public LimeReport::ItemDesignIntf
 {
     Q_OBJECT
+    Q_PROPERTY(QObject* xAxisSettings READ xAxisSettings WRITE setXAxisSettings)
+    Q_PROPERTY(QObject* yAxisSettings READ yAxisSettings WRITE setYAxisSettings)
     Q_PROPERTY(ACollectionProperty series READ fakeCollectionReader WRITE setSeries)
     Q_PROPERTY(QString datasource READ datasource WRITE setDatasource)
     Q_PROPERTY(QString chartTitle READ chartTitle WRITE setChartTitle)
@@ -201,6 +202,13 @@ public:
     ~ChartItem();
     virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
 
+    QObject* xAxisSettings();
+    void setYAxisSettings(QObject *axis);
+    QObject* yAxisSettings();
+    void setXAxisSettings(QObject *axis);
+
+    AxisData *xAxisData();
+    AxisData *yAxisData();
     QList<SeriesItem *> &series();
     void setSeries(const QList<SeriesItem *> &series);
     bool isSeriesExists(const QString& name);
@@ -255,6 +263,8 @@ public:
     void setTitleFont(QFont value);
     void setCharItemFont(QFont value);
 
+    QSettings *settings();
+
 protected:
     void paintChartTitle(QPainter* painter, QRectF titleRect);
     virtual BaseDesignIntf* createSameTypeItem(QObject *owner, QGraphicsItem *parent);
@@ -287,6 +297,7 @@ private:
     bool m_horizontalAxisOnTop;
     GridChartLines m_gridChartLines;
     LegendStyle m_legendStyle;
+    AxisData *m_xAxisData, *m_yAxisData;
 };
 } //namespace LimeReport
 #endif // LRCHARTITEM_H

limereport/lraxisdata.cpp

@@ -1,21 +1,46 @@
 #include "lraxisdata.h"
 
-namespace LimeReport {
-AxisData::AxisData()
-    : m_rangeMin(0), m_rangeMax(0),
-      m_minValue(0), m_maxValue(0), m_step(0),
-      m_delta(0), m_segmentCount(4)
-{
+#include <cmath>
+#include <QDebug>
 
+namespace LimeReport {
+AxisData::AxisData(QObject *parent)
+    : QObject(parent), m_rangeMin(0), m_rangeMax(0),
+      m_minValue(0), m_maxValue(0), m_step(0),
+      m_delta(0), m_segmentCount(4), m_calculateAxisScale(false),
+      m_reverseDirection(false), m_manualMaximum(0),
+      m_manualMinimum(0), m_manualStep(0), m_isMaximumAutomatic(true),
+      m_isMinimumAutomatic(true), m_isStepAutomatic(true)
+{
 }
 
-AxisData::AxisData(qreal minValue, qreal maxValue)
-    : AxisData()
+void AxisData::copy(AxisData *other)
+{
+    m_calculateAxisScale = other->calculateAxisScale();
+    m_reverseDirection = other->reverseDirection();
+    m_manualMaximum = other->manualMaximum();
+    m_manualMinimum = other->manualMinimum();
+    m_manualStep = other->manualStep();
+    m_isMaximumAutomatic = other->isMaximumAutomatic();
+    m_isMinimumAutomatic = other->isMinimumAutomatic();
+    m_isStepAutomatic = other->isStepAutomatic();
+}
+
+void AxisData::update()
+{
+    if (m_calculateAxisScale) {
+        calculateRoundedAxisScale();
+    } else {
+        calculateSimpleAxisScale();
+    }
+    m_delta = m_step * m_segmentCount;
+}
+
+void AxisData::update(qreal minValue, qreal maxValue)
 {
     m_minValue = minValue;
     m_maxValue = maxValue;
-    calculateValuesAboveMax(minValue, maxValue, 4);
-    m_delta = m_step * m_segmentCount;
+    update();
 }
 
 int AxisData::segmentCount() const
@@ -23,6 +48,11 @@ int AxisData::segmentCount() const
     return m_segmentCount;
 }
 
+bool AxisData::calculateAxisScale() const
+{
+    return m_calculateAxisScale;
+}
+
 qreal AxisData::rangeMin() const
 {
     return m_rangeMin;
@@ -53,16 +83,207 @@ qreal AxisData::delta() const
     return m_delta;
 }
 
-void AxisData::calculateValuesAboveMax(qreal minValue, qreal maxValue, int segments)
+void AxisData::calculateRoundedAxisScale()
 {
-    const int delta = maxValue - minValue;
+    const int maximumSegmentCount = 10;
+
+    bool calculateStep = isStepAutomatic();
+    const bool calculateMinimum = isMinimumAutomatic();
+    const bool calculateMaximum = isMaximumAutomatic();
+
+    qreal temporaryMin = calculateMinimum ? minValue() < 0 ? minValue() : 0 : manualMinimum();
+    qreal temporaryMax = calculateMaximum ? maxValue() : manualMaximum();
+    m_step = calculateStep ? 0 : manualStep();
+
+    if (temporaryMax == temporaryMin) {
+        if (temporaryMax == 0) {
+            temporaryMax = 1;
+        } else {
+            temporaryMax *= 2;
+        }
+    }
+
+    const qreal minAndMaxSpacingOffset = 0.95;
+
+    qreal stepMagnitude = 0.0;
+    qreal normalizedStep = 0.0;
+    bool isStepNormalized = false;
+    bool isLoopFinished = false;
+
+    // Calculate until segment count is below maximum
+    while( !isLoopFinished ) {
+        if (calculateStep) {
+            if(isStepNormalized) {
+                if( normalizedStep == 1.0 ) {
+                    normalizedStep = 2.0;
+                } else if( normalizedStep == 2.0 ) {
+                    normalizedStep = 5.0;
+                } else {
+                    normalizedStep = 1.0;
+                    stepMagnitude *= 10;
+                }
+            } else {
+                const double startingStep = (temporaryMax - temporaryMin) / maximumSegmentCount;
+                const int exponent = static_cast< int >( floor( log10( startingStep ) ) );
+                stepMagnitude = pow(10.0, static_cast<double>(exponent));
+                normalizedStep = startingStep / stepMagnitude;
+                if( normalizedStep <= 1.0 ) {
+                    normalizedStep = 1.0;
+                } else if( normalizedStep <= 2.0 ) {
+                    normalizedStep = 2.0;
+                } else if( normalizedStep <= 5.0 ) {
+                    normalizedStep = 5.0;
+                } else {
+                    normalizedStep = 1.0;
+                    stepMagnitude *= 10;
+                }
+                isStepNormalized = true;
+            }
+            m_step = normalizedStep * stepMagnitude;
+        }
+
+        qreal currentAxisMinimum = temporaryMin;
+        qreal currentAxisMaximum = temporaryMax;
+
+        if (calculateMinimum) {
+            currentAxisMinimum = calculateNewMinimum(currentAxisMinimum, m_step);
+            const qreal currentDelta = currentAxisMaximum - currentAxisMinimum;
+            const qreal actualDelta = currentAxisMaximum - minValue();
+            if ((currentAxisMinimum != 0.0) && ((actualDelta / currentDelta) > minAndMaxSpacingOffset)) {
+                currentAxisMinimum -= m_step;
+            }
+        }
+
+        if (calculateMaximum) {
+            currentAxisMaximum = calculateNewMaximum(currentAxisMaximum, m_step);
+            const qreal currentDelta = currentAxisMaximum - currentAxisMinimum;
+            const qreal actualDelta = maxValue() - currentAxisMinimum;
+            if ((currentAxisMaximum != 0.0) && ((actualDelta / currentDelta) > minAndMaxSpacingOffset)) {
+                currentAxisMaximum += m_step;
+            }
+        }
+
+        m_segmentCount = static_cast<int>(round((currentAxisMaximum - currentAxisMinimum) / m_step));
+        m_rangeMin = currentAxisMinimum;
+        m_rangeMax = currentAxisMaximum;
+        isLoopFinished = m_segmentCount <= maximumSegmentCount;
+        if (!isLoopFinished) {
+            // Configured step may be invalid, calculating it automatically
+            calculateStep = true;
+        }
+    }
+}
+
+void AxisData::calculateSimpleAxisScale()
+{
+    m_segmentCount = 4;
+    const int delta = maxValue() - minValue();
     int max = delta;
-    while (max % segments != 0){
+    while (max % m_segmentCount != 0){
         max++;
     }
     m_rangeMax = max;
-    m_step = max / segments;
-    m_rangeMin = minValue;
-    m_segmentCount = segments;
+    m_step = max / m_segmentCount;
+    m_rangeMin = minValue();
 }
+
+double AxisData::calculateNewMinimum(qreal min, qreal step) const
+{
+    if (step <= 0.0)
+        return min;
+
+    double ret = floor(min / step) * step;
+    if (ret > min && !qFuzzyCompare(ret, min)) {
+        ret -= step;
+    }
+    return ret;
+}
+
+double AxisData::calculateNewMaximum(qreal max, qreal step) const
+{
+    if (step <= 0.0)
+        return max;
+
+    double ret = floor(max / step) * step;
+    if (ret < max && !qFuzzyCompare(ret, max)) {
+        ret += step;
+    }
+    return ret;
+}
+
+void AxisData::setCalculateAxisScale(bool newCalculateAxisScale)
+{
+    m_calculateAxisScale = newCalculateAxisScale;
+}
+
+bool AxisData::reverseDirection() const
+{
+    return m_reverseDirection;
+}
+
+void AxisData::setReverseDirection(bool reverseDirection)
+{
+    m_reverseDirection = reverseDirection;
+}
+
+qreal AxisData::manualMaximum() const
+{
+    return m_manualMaximum;
+}
+
+void AxisData::setManualMaximum(qreal newManualMaximum)
+{
+    m_manualMaximum = newManualMaximum;
+}
+
+qreal AxisData::manualMinimum() const
+{
+    return m_manualMinimum;
+}
+
+void AxisData::setManualMinimum(qreal newManualMinimum)
+{
+    m_manualMinimum = newManualMinimum;
+}
+
+qreal AxisData::manualStep() const
+{
+    return m_manualStep;
+}
+
+void AxisData::setManualStep(qreal newManualStep)
+{
+    m_manualStep = newManualStep;
+}
+
+bool AxisData::isMaximumAutomatic() const
+{
+    return m_isMaximumAutomatic;
+}
+
+void AxisData::setIsMaximumAutomatic(bool newIsMaximumAutomatic)
+{
+    m_isMaximumAutomatic = newIsMaximumAutomatic;
+}
+
+bool AxisData::isMinimumAutomatic() const
+{
+    return m_isMinimumAutomatic;
+}
+
+void AxisData::setIsMinimumAutomatic(bool newIsMinimumAutomatic)
+{
+    m_isMinimumAutomatic = newIsMinimumAutomatic;
+}
+
+bool AxisData::isStepAutomatic() const
+{
+    return m_isStepAutomatic;
+}
+
+void AxisData::setIsStepAutomatic(bool newIsStepAutomatic)
+{
+    m_isStepAutomatic = newIsStepAutomatic;
+}
+
 }

limereport/lraxisdata.h

@@ -1,14 +1,26 @@
 #ifndef AXISDATA_H
 #define AXISDATA_H
 
-#include <QtGlobal>
+#include <QObject>
 
 namespace LimeReport {
-class AxisData
+class AxisData : public QObject
 {
+    Q_OBJECT
+    Q_PROPERTY(bool reverseDirection READ reverseDirection WRITE setReverseDirection)
+    Q_PROPERTY(bool calculateAxisScale READ calculateAxisScale WRITE setCalculateAxisScale)
+    Q_PROPERTY(bool isStepAutomatic READ isStepAutomatic WRITE setIsStepAutomatic)
+    Q_PROPERTY(bool isMinimumAutomatic READ isMinimumAutomatic WRITE setIsMinimumAutomatic)
+    Q_PROPERTY(bool isMaximumAutomatic READ isMaximumAutomatic WRITE setIsMaximumAutomatic)
+    Q_PROPERTY(qreal manualStep READ manualStep WRITE setManualStep)
+    Q_PROPERTY(qreal manualMinimum READ manualMinimum WRITE setManualMinimum)
+    Q_PROPERTY(qreal manualMaximum READ manualMaximum WRITE setManualMaximum)
 public:
-    AxisData();
-    AxisData(qreal minValue, qreal maxValue);
+    AxisData(QObject *parent = nullptr);
+
+    void copy(AxisData *other);
+    void update();
+    void update(qreal minValue, qreal maxValue);
 
     int segmentCount() const;
 
@@ -21,8 +33,34 @@ public:
 
     qreal delta() const;
 
+    bool reverseDirection() const;
+    void setReverseDirection(bool newReverseDirection);
+    bool calculateAxisScale() const;
+    void setCalculateAxisScale(bool newCalculateAxisScale);
+
+    qreal manualMaximum() const;
+    void setManualMaximum(qreal newManualMaximum);
+
+    qreal manualMinimum() const;
+    void setManualMinimum(qreal newManualMinimum);
+
+    qreal manualStep() const;
+    void setManualStep(qreal newManualStep);
+
+    bool isMaximumAutomatic() const;
+    void setIsMaximumAutomatic(bool newIsMaximumAutomatic);
+
+    bool isMinimumAutomatic() const;
+    void setIsMinimumAutomatic(bool newIsMinimumAutomatic);
+
+    bool isStepAutomatic() const;
+    void setIsStepAutomatic(bool newIsStepAutomatic);
+
 private:
-    void calculateValuesAboveMax(qreal minValue, qreal maxValue, int segments);
+    void calculateRoundedAxisScale();
+    void calculateSimpleAxisScale();
+    qreal calculateNewMinimum(qreal min, qreal step) const;
+    qreal calculateNewMaximum(qreal max, qreal step) const;
 
     qreal m_rangeMin;
     qreal m_rangeMax;
@@ -31,6 +69,14 @@ private:
     qreal m_step;
     qreal m_delta;
     int m_segmentCount;
+    bool m_calculateAxisScale;
+    bool m_reverseDirection;
+    qreal m_manualMaximum;
+    qreal m_manualMinimum;
+    qreal m_manualStep;
+    bool m_isMaximumAutomatic;
+    bool m_isMinimumAutomatic;
+    bool m_isStepAutomatic;
 };
 };
 

limereport/lrbasedesignintf.cpp

@@ -1290,32 +1290,40 @@ void BaseDesignIntf::setItemPos(const QPointF &newPos)
 }
 
 
-QWidget* findRootWidget(QWidget* widget){
+QWidget* BaseDesignIntf::findRootWidget(QWidget* widget)
+{
     while (widget->parentWidget()) {
         widget = widget->parentWidget();
     }
     return widget;
 }
 
-void BaseDesignIntf::showEditorDialog(){
-    QWidget *editor = defaultEditor(); 
-    if (editor) {
-        editor->setStyleSheet(findRootWidget(scene()->views().at(0))->styleSheet());
-        QDialog* dialog = new QDialog(QApplication::activeWindow());
-        dialog->setAttribute(Qt::WA_DeleteOnClose);
-#ifdef Q_OS_MAC
-        dialog->setWindowModality(Qt::WindowModal);
-#else
-        dialog->setWindowModality(Qt::ApplicationModal);
-#endif
-        dialog->setLayout(new QVBoxLayout());
-        dialog->resize(editor->size());
-        dialog->layout()->setContentsMargins(2,2,2,2);
-        dialog->layout()->addWidget(editor);
-        connect(editor,SIGNAL(destroyed()),dialog,SLOT(close()));
-        dialog->setWindowTitle(editor->windowTitle());
-        dialog->exec();
+void BaseDesignIntf::showDialog(QWidget *widget)
+{
+    if (!widget) {
+        return;
     }
+    widget->setStyleSheet(findRootWidget(scene()->views().at(0))->styleSheet());
+    QDialog dialog;
+    widget->setParent(&dialog);
+    widget->setAttribute(Qt::WA_DeleteOnClose);
+#ifdef Q_OS_MAC
+    dialog.setWindowModality(Qt::WindowModal);
+#else
+    dialog.setWindowModality(Qt::ApplicationModal);
+#endif
+    dialog.setLayout(new QVBoxLayout());
+    dialog.resize(widget->size());
+    dialog.layout()->setContentsMargins(2,2,2,2);
+    dialog.layout()->addWidget(widget);
+    connect(widget,SIGNAL(destroyed()),&dialog,SLOT(close()));
+    dialog.setWindowTitle(widget->windowTitle());
+    dialog.exec();
+}
+
+void BaseDesignIntf::showEditorDialog()
+{
+    showDialog(defaultEditor());
 }
 
 void BaseDesignIntf::mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event)

limereport/lrbasedesignintf.h

@@ -397,6 +397,9 @@ protected:
     qreal calcAbsolutePosY(qreal currentOffset, BaseDesignIntf* item);
     qreal calcAbsolutePosX(qreal currentOffset, BaseDesignIntf* item);
 
+    QWidget* findRootWidget(QWidget* widget);
+    void showDialog(QWidget *widget);
+
 private:
     int resizeDirectionFlags(QPointF position);
     void moveSelectedItems(QPointF delta);