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#6245 Shift labels to left side for negative tornado plot bars

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This commit is contained in:
Gaute Lindkvist 2020-07-29 15:25:44 +02:00
parent eee30f3d1d
commit 7241132256
1 changed files with 90 additions and 27 deletions
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117
ApplicationCode/UserInterface/AnalysisPlots/RiuGroupedBarChartBuilder.cpp
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@ -92,8 +92,24 @@ public:
class RiuBarChartScaleDraw : public QwtScaleDraw
{
public:
RiuBarChartScaleDraw( const std::map<double, std::pair<QwtScaleDiv::TickType, QString>>& posTickTypeAndTexts,
int labelFontPointSize )
struct RiuBarChartTick
{
RiuBarChartTick() = default;
RiuBarChartTick( const RiuBarChartTick& rhs ) = default;
RiuBarChartTick( QwtScaleDiv::TickType tickType, const QString& label, bool oppositeSide = false )
: tickType( tickType )
, label( label )
, oppositeSide( oppositeSide )
{
}
QwtScaleDiv::TickType tickType;
QString label;
bool oppositeSide;
};
public:
RiuBarChartScaleDraw( const std::map<double, RiuBarChartTick>& posTickTypeAndTexts, int labelFontPointSize )
: m_posTickTypeAndTexts( posTickTypeAndTexts )
, m_labelFontPointSize( labelFontPointSize )
{
@ -108,15 +124,15 @@ public:
for ( const auto& posTickTypeText : m_posTickTypeAndTexts )
{
if ( posTickTypeText.second.first == QwtScaleDiv::MediumTick )
if ( posTickTypeText.second.tickType == QwtScaleDiv::MediumTick )
{
hasMediumTickText = true;
medTickMaxTextSize = std::max( posTickTypeText.second.second.size(), medTickMaxTextSize );
medTickMaxTextSize = std::max( posTickTypeText.second.label.size(), medTickMaxTextSize );
}
if ( posTickTypeText.second.first == QwtScaleDiv::MinorTick )
if ( posTickTypeText.second.tickType == QwtScaleDiv::MinorTick )
{
hasMinorTickText = true;
minTickMaxTextSize = std::max( posTickTypeText.second.second.size(), minTickMaxTextSize );
minTickMaxTextSize = std::max( posTickTypeText.second.label.size(), minTickMaxTextSize );
}
}
@ -139,43 +155,43 @@ public:
QwtText label( double v ) const override
{
auto posTypeTextPairIt = m_posTickTypeAndTexts.find( v );
if ( posTypeTextPairIt != m_posTickTypeAndTexts.end() )
auto posTickIt = m_posTickTypeAndTexts.find( v );
if ( posTickIt != m_posTickTypeAndTexts.end() )
{
if ( this->alignment() == BottomScale )
{
if ( posTypeTextPairIt->second.first == QwtScaleDiv::MediumTick )
if ( posTickIt->second.tickType == QwtScaleDiv::MediumTick )
{
return createLabelFromString( m_medLineBreak + posTypeTextPairIt->second.second );
return createLabelFromString( m_medLineBreak + posTickIt->second.label );
}
else if ( posTypeTextPairIt->second.first == QwtScaleDiv::MajorTick )
else if ( posTickIt->second.tickType == QwtScaleDiv::MajorTick )
{
return createLabelFromString( m_majLineBreak + posTypeTextPairIt->second.second );
return createLabelFromString( m_majLineBreak + posTickIt->second.label );
}
else
{
return createLabelFromString( posTypeTextPairIt->second.second );
return createLabelFromString( posTickIt->second.label );
}
}
else if ( this->alignment() == LeftScale )
{
if ( posTypeTextPairIt->second.first == QwtScaleDiv::MediumTick )
if ( posTickIt->second.tickType == QwtScaleDiv::MediumTick )
{
return createLabelFromString( posTypeTextPairIt->second.second + m_medSpacing );
return createLabelFromString( posTickIt->second.label + m_medSpacing );
}
else if ( posTypeTextPairIt->second.first == QwtScaleDiv::MajorTick )
else if ( posTickIt->second.tickType == QwtScaleDiv::MajorTick )
{
return createLabelFromString( posTypeTextPairIt->second.second + m_majSpacing );
return createLabelFromString( posTickIt->second.label + m_majSpacing );
}
else
{
return createLabelFromString( posTypeTextPairIt->second.second );
return createLabelFromString( posTickIt->second.label );
}
}
else
{
return createLabelFromString( posTypeTextPairIt->second.second );
return createLabelFromString( posTickIt->second.label );
}
}
else
@ -184,8 +200,25 @@ public:
}
}
// Override to draw text labels at medium and minor ticks also
QPoint translateToOppositeSide( QPainter* painter, double value ) const
{
QwtText lbl = tickLabel( painter->font(), value );
QSizeF labelSize = lbl.textSize( painter->font() );
QPointF localLabelPos = labelPosition( value ) - pos();
// Only support shifting labels for horizontal bars.
if ( alignment() == RightScale )
{
return QPoint( -2 * localLabelPos.x() - labelSize.width(), 0 );
}
else if ( alignment() == LeftScale )
{
return QPoint( 2 * localLabelPos.x() + labelSize.width(), 0 );
}
return QPoint( 0, 0 );
}
// Override to draw text labels at medium and minor ticks also
void draw( QPainter* painter, const QPalette& palette ) const override
{
QwtScaleDraw::draw( painter, palette );
@ -200,7 +233,21 @@ public:
for ( int i = 0; i < mediumTicks.count(); i++ )
{
const double v = mediumTicks[i];
if ( scaleDiv().contains( v ) ) drawLabel( painter, mediumTicks[i] );
if ( scaleDiv().contains( v ) )
{
auto it = m_posTickTypeAndTexts.find( v );
bool oppositeSide = it != m_posTickTypeAndTexts.end() ? it->second.oppositeSide : false;
if ( oppositeSide )
{
painter->save();
painter->translate( translateToOppositeSide( painter, v ) );
}
drawLabel( painter, mediumTicks[i] );
if ( oppositeSide )
{
painter->restore();
}
}
}
const QList<double>& minorTicks = scaleDiv().ticks( QwtScaleDiv::MinorTick );
@ -208,7 +255,22 @@ public:
for ( int i = 0; i < minorTicks.count(); i++ )
{
const double v = minorTicks[i];
if ( scaleDiv().contains( v ) ) drawLabel( painter, minorTicks[i] );
if ( scaleDiv().contains( v ) )
{
auto it = m_posTickTypeAndTexts.find( v );
bool oppositeSide = it != m_posTickTypeAndTexts.end() ? it->second.oppositeSide : false;
if ( oppositeSide )
{
painter->save();
painter->translate( translateToOppositeSide( painter, v ) );
}
drawLabel( painter, minorTicks[i] );
if ( oppositeSide )
{
painter->restore();
}
}
}
painter->restore();
@ -219,7 +281,7 @@ protected:
virtual void drawBackbone( QPainter* ) const override {}
private:
std::map<double, std::pair<QwtScaleDiv::TickType, QString>> m_posTickTypeAndTexts;
std::map<double, RiuBarChartTick> m_posTickTypeAndTexts;
QString m_medLineBreak;
QString m_majLineBreak;
@ -285,8 +347,8 @@ void RiuGroupedBarChartBuilder::addBarChartToPlot( QwtPlot* plot, Qt::Orientatio
std::map<QString, QVector<QPointF>> legendToBarPointsMap;
std::map<double, std::pair<QwtScaleDiv::TickType, QString>> groupPositionedAxisTexts;
std::map<double, std::pair<QwtScaleDiv::TickType, QString>> positionedBarLabels;
std::map<double, RiuBarChartScaleDraw::RiuBarChartTick> groupPositionedAxisTexts;
std::map<double, RiuBarChartScaleDraw::RiuBarChartTick> positionedBarLabels;
QList<double> majTickPositions;
QList<double> midTickPositions;
@ -407,7 +469,7 @@ void RiuGroupedBarChartBuilder::addBarChartToPlot( QwtPlot* plot, Qt::Orientatio
if( ttyp == QwtScaleDiv::MinorTick ) tickPos += 2e-4;
if( ttyp == QwtScaleDiv::MediumTick ) tickPos += 1e-4;
groupPositionedAxisTexts[tickPos] = { ttyp, tickText };
groupPositionedAxisTexts[tickPos] = RiuBarChartScaleDraw::RiuBarChartTick(ttyp, tickText, true);
groupTickPosList.push_back( tickPos );
};
@ -527,7 +589,8 @@ void RiuGroupedBarChartBuilder::addBarChartToPlot( QwtPlot* plot, Qt::Orientatio
barPoints->push_back( {currentBarPosition, barDef.m_value} );
if ( !barDef.m_barText.isEmpty() )
{
positionedBarLabels[currentBarPosition] = {QwtScaleDiv::MinorTick, barDef.m_barText};
positionedBarLabels[currentBarPosition] =
RiuBarChartScaleDraw::RiuBarChartTick( QwtScaleDiv::MinorTick, barDef.m_barText, barDef.m_value < 0.0 );
}
// Increment the bar position for the next bar