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Add horizontal legend

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This commit is contained in:
Emil Sawicki
2022-02-07 23:16:07 +01:00
parent 667ff4adb4
commit b14f0be7bc
4 changed files with 325 additions and 90 deletions
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24
limereport/items/lrchartitem.h
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@@ -76,12 +76,13 @@ public:
virtual ~AbstractChart(){}
virtual void paintChart(QPainter *painter, QRectF rect) = 0;
virtual void paintChartLegend(QPainter *painter, QRectF legendRect) =0;
virtual QSizeF calcChartLegendSize(const QFont &font) = 0;
virtual QSizeF calcChartLegendSize(const QFont &font, qreal maxWidth = 0) = 0;
virtual QRectF calcChartLegendRect(const QFont& font, const QRectF& parentRect, bool takeAllRect, qreal borderMargin, qreal titleOffset);
QFont titleFont();
void setTitleFont(const QFont &value);
protected:
QVector<qreal> legendColumnWidths() const;
virtual void prepareLegendToPaint(QRectF& legendRect, QPainter *painter);
protected:
// Title font must be placed here instead of CharItem, becuase
@@ -89,6 +90,7 @@ protected:
QFont m_titleFont;
ChartItem* m_chartItem;
QList<QString> m_designLabels;
QVector<qreal> m_legendColumnWidths;
};
class AbstractSeriesChart: public AbstractChart{
@@ -103,7 +105,7 @@ protected:
int valuesCount();
int seriesCount();
bool verticalLabels(QPainter* painter, QRectF labelsRect);
QSizeF calcChartLegendSize(const QFont &font);
QSizeF calcChartLegendSize(const QFont &font, qreal maxWidth);
qreal* designValues(){ return m_designValues;}
virtual qreal hPadding(QRectF chartRect);
virtual qreal vPadding(QRectF chartRect);
@@ -120,6 +122,9 @@ protected:
virtual QString axisLabel(int i, const AxisData &axisData);
private:
bool calculateLegendColumnWidths(qreal indicatorWidth, qreal maxWidth, const QFontMetrics &fm);
bool calculateLegendSingleColumnWidth(qreal &currentRowWidth, int &currentColumn, int &maxColumnCount,
const qreal itemWidth, const qreal maxWidth);
AxisData m_yAxisData, m_xAxisData;
qreal m_designValues [9];
};
@@ -131,6 +136,11 @@ public:
protected:
QRectF verticalLabelsRect(QPainter* painter, QRectF horizontalLabelsRect);
virtual QRectF horizontalLabelsRect(QPainter* painter, QRectF horizontalLabelsRect);
private:
void drawVerticalLegendItem(QPainter *painter, int i, const QString &text,
int indicatorSize, const QRectF &indicatorsRect, const QColor &indicatorColor);
void drawHorizontalLegendItem(QPainter *painter, int i, const QString &text,
int indicatorSize, const QRectF &indicatorsRect, const QColor &indicatorColor);
};
class ChartItem : public LimeReport::ItemDesignIntf
@@ -141,6 +151,7 @@ class ChartItem : public LimeReport::ItemDesignIntf
Q_PROPERTY(QString chartTitle READ chartTitle WRITE setChartTitle)
Q_PROPERTY(bool drawLegendBorder READ drawLegendBorder WRITE setDrawLegendBorder)
Q_PROPERTY(LegendAlign legendAlign READ legendAlign WRITE setLegendAlign)
Q_PROPERTY(LegendStyle legendStyle READ legendStyle WRITE setLegendStyle)
Q_PROPERTY(TitleAlign titleAlign READ titleAlign WRITE setTitleAlign)
Q_PROPERTY(ChartType chartType READ chartType WRITE setChartType)
Q_PROPERTY(QString labelsField READ labelsField WRITE setLabelsField)
@@ -160,7 +171,8 @@ class ChartItem : public LimeReport::ItemDesignIntf
friend class AbstractChart;
public:
enum LegendAlign{LegendAlignTop,LegendAlignCenter,LegendAlignBottom};
enum LegendAlign{LegendAlignRightTop,LegendAlignRightCenter,LegendAlignRightBottom,
LegendAlignBottomLeft,LegendAlignBottomCenter,LegendAlignBottomRight};
enum LegendStyle{LegendPoints, LegendLines};
enum TitleAlign{TitleAlignLeft, TitleAlignCenter, TitleAlignRight};
enum ChartType{Pie, VerticalBar, HorizontalBar, Lines, GridLines};
@@ -172,11 +184,13 @@ public:
};
#if QT_VERSION >= 0x050500
Q_ENUM(LegendAlign)
Q_ENUM(LegendStyle)
Q_ENUM(TitleAlign)
Q_ENUM(ChartType)
Q_ENUM(LineType)
#else
Q_ENUMS(LegendAlign)
Q_ENUMS(LegendStyle)
Q_ENUMS(TitleAlign)
Q_ENUMS(ChartType)
Q_ENUMS(LineType)
@@ -203,6 +217,9 @@ public:
LegendAlign legendAlign() const;
void setLegendAlign(const LegendAlign &legendAlign);
LegendStyle legendStyle() const;
void setLegendStyle(const LegendStyle &legendStyle);
TitleAlign titleAlign() const;
void setTitleAlign(const TitleAlign &titleAlign);
@@ -269,6 +286,7 @@ private:
QString m_xAxisField;
bool m_horizontalAxisOnTop;
GridChartLines m_gridChartLines;
LegendStyle m_legendStyle;
};
} //namespace LimeReport
#endif // LRCHARTITEM_H