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Diffstat (limited to 'kmymoney2/reports/kreportchartview.cpp')
| -rw-r--r-- | kmymoney2/reports/kreportchartview.cpp | 210 |
1 files changed, 210 insertions, 0 deletions
diff --git a/kmymoney2/reports/kreportchartview.cpp b/kmymoney2/reports/kreportchartview.cpp new file mode 100644 index 0000000..21b08fa --- /dev/null +++ b/kmymoney2/reports/kreportchartview.cpp @@ -0,0 +1,210 @@ +/*************************************************************************** + kreportchartview.cpp + ------------------- + begin : Sun Aug 14 2005 + copyright : (C) 2004-2005 by Ace Jones + email : <[email protected]> + ***************************************************************************/ + +/*************************************************************************** + * * + * This program is free software; you can redistribute it and/or modify * + * it under the terms of the GNU General Public License as published by * + * the Free Software Foundation; either version 2 of the License, or * + * (at your option) any later version. * + * * + ***************************************************************************/ + +#ifdef HAVE_CONFIG_H +#include "../../config.h" +#endif +#ifdef HAVE_KDCHART + +// ---------------------------------------------------------------------------- +// QT Includes + +// ---------------------------------------------------------------------------- +// KDE Includes + +// ---------------------------------------------------------------------------- +// Project Includes + +#include "kreportchartview.h" +#include <KDChartDataRegion.h> + +using namespace reports; + +KReportChartView::KReportChartView( QWidget* parent, const char* name ): KDChartWidget(parent,name) +{ + // ******************************************************************** + // Set KMyMoney's Chart Parameter Defaults + // ******************************************************************** + this->setPaletteBackgroundColor( Qt::white ); + + KDChartParams* _params = new KDChartParams(); + _params->setChartType( KDChartParams::Line ); + _params->setAxisLabelStringParams( KDChartAxisParams::AxisPosBottom,&m_abscissaNames,0); + _params->setDataSubduedColors(); + + /** + // use line marker, but only circles. + _params->setLineMarker( true ); + _params->setLineMarkerSize( QSize(8,8) ); + _params->setLineMarkerStyle( 0, KDChartParams::LineMarkerCircle ); + _params->setLineMarkerStyle( 1, KDChartParams::LineMarkerCircle ); + _params->setLineMarkerStyle( 2, KDChartParams::LineMarkerCircle ); + **/ + + // initialize parameters + this->setParams(_params); + + // initialize data + KDChartTableData* _data = new KDChartTableData(); + this->setData(_data); + + // ******************************************************************** + // Some Examplatory Chart Table Data + // ******************************************************************** + + /** + // 1st series + this->data()->setCell( 0, 0, 17.5 ); + this->data()->setCell( 0, 1, 125 ); // highest value + this->data()->setCell( 0, 2, 6.67 ); // lowest value + this->data()->setCell( 0, 3, 33.333 ); + this->data()->setCell( 0, 4, 30 ); + // 2nd series + this->data()->setCell( 1, 0, 40 ); + this->data()->setCell( 1, 1, 40 ); + this->data()->setCell( 1, 2, 45.5 ); + this->data()->setCell( 1, 3, 45 ); + this->data()->setCell( 1, 4, 35 ); + // 3rd series + this->data()->setCell( 2, 0, 25 ); + // missing value: setCell( 2, 1, 25 ); + this->data()->setCell( 2, 2, 30 ); + this->data()->setCell( 2, 3, 45 ); + this->data()->setCell( 2, 4, 40 ); + **/ + + // ******************************************************************** + // Tooltip Setup + // ******************************************************************** + label = new QLabel( this ); + label->hide(); + // mouse tracking on will force the mouseMoveEvent() method to be called from Qt + label->setMouseTracking( true ); + label->setFrameStyle( QFrame::PopupPanel | QFrame::Raised ); + label->setAlignment( AlignRight ); + label->setAutoResize( true ); +} + +/** + * This function implements mouseMoveEvents + */ +void KReportChartView::mouseMoveEvent( QMouseEvent* event ) +{ + QPoint translate, pos; // some movement helpers + uint dataset; // the current dataset (eg. category) + uint datasets; // the total number of datasets + double value; // the value of the region + double pivot_sum; // the sum over all categories in the current pivot point + + // the data region in which the cursor was last time + static uint previous; + + // if mouse tracking is disabled, don't show any tooltip + if ( !this->hasMouseTracking() ) + return ; + + // find the data region below the current mouse location + // ..by going through every data region and checking whether it + // contains the mouse pointer + KDChartDataRegion* current = 0; + QPtrListIterator < KDChartDataRegion > it( *(this->dataRegions()) ); + while ( ( current = it.current() ) ) { + ++it; + if ( current->contains( event->pos() ) ) + { + // we found the data region that contains the mouse + value = this->data()->cellVal(current->row, current->col).toDouble(); + + // get the dataset that the region corresponds to + if ( this->getAccountSeries() ) + { + dataset = current->row; + datasets= this->data()->rows(); + pivot_sum = value * 100.0 / this->data()->colSum(current->col); + } + else + { + dataset = current->col; + datasets= this->data()->cols(); + pivot_sum = value * 100.0 / this->data()->rowSum(current->row); + } + + // if we entered a new data region or the label was invisible + if ( !label->isVisible() || previous != dataset ) + { + // if there is more than one dataset, show percentage + if(datasets > 1) + { + // set the tooltip text + label->setText(QString("<h2>%1</h2><strong>%2</strong><br>(%3\%)") + .arg(this->params()->legendText( dataset )) + .arg(value, 0, 'f', 2) + .arg(pivot_sum, 0, 'f', 2) + ); + } + else // if there is only one dataset, don't show percentage + { + // set the tooltip text + label->setText(QString("<h2>%1</h2><strong>%2</strong>") + .arg(this->params()->legendText( dataset )) + .arg(value, 0, 'f', 2) + ); + } + + previous = dataset; + } + + translate.setX( -10 - label->width()); + translate.setY( 20); + + // display the label near the cursor + pos = event->pos() + translate; + + // but don't let the label leave the visible area + if( pos.x() < 0 ) + pos.setX(0); + if( pos.y() < 0 ) + pos.setY(0); + if( pos.x() + label->width() > this->width() ) + pos.setX( this->width() - label->width() ); + if( pos.y() + label->height() > this->height() ) + pos.setY( this->height() - label->height() ); + + // now set the label position and show the label + label->move( pos ); + label->show(); + + // In a more abstract class, we would emit a dateMouseMove event: + //emit this->dataMouseMove( event->pos(), current->row, current->col ); + + return ; + } + } + // if the cursor was not found in any data region, hide the label + label->hide(); +} + +void KReportChartView::setProperty(int row, int col, int id) +{ +#ifdef HAVE_KDCHART_SETPROP + this->data()->setProp(row, col, id); +#else + this->data()->cell(row, col).setPropertySet(id); +#endif +} + +#endif |