/* $Id: KChart.cpp,v 1.9 1998/06/19 20:02:30 kalle Exp $ */

#include "KChart.h"
#include "KChartColorArray.h"
#include "KChartBarsPainter.h"
#include "KChartAreaPainter.h"
#include "KChartLinesPainter.h"
#include "KChartPointsPainter.h"
#include "KChartLinesPointsPainter.h"
#include "KChartPiePainter.h"
#include "KChartPie3DPainter.h"

#include <qapp.h> // fatal
#include <qstrlist.h> // QStrList
#include <qfontmet.h>

#include <kdebug.h>

#ifdef INCLUDE_MOC_BULLSHIT
#include "KChart.moc"
#endif

KChart::KChart( KChartType type ) :
  _charttype( type )
{
  _cp = 0;
  _blockautoupdate = false;
  setChartType( type );
}


KChart::~KChart()
{
  delete _cp;
}


void KChart::setChartType( KChartType charttype )
{
  _charttype = charttype;

  delete _cp;

  // Don't auto-update during construction
  _blockautoupdate = true;

  // Create a chart painter object of the appropriate type
  if( _charttype == Bars ) 
	_cp = new KChartBarsPainter( this );
  else if (_charttype == Lines )
	_cp = new KChartLinesPainter( this );
  else if( _charttype == Points )
	_cp = new KChartPointsPainter( this );
  else if( _charttype == LinesPoints )
	_cp = new KChartLinesPointsPainter( this );
  else if( _charttype == Area )
	_cp = new KChartAreaPainter( this );
  else if( _charttype == Pie )
	_cp = new KChartPiePainter( this );
  else if( _charttype == Pie3D )
	_cp = new KChartPie3DPainter( this );
  else {
	KDEBUG( KDEBUG_WARN, 34001, "Unknown chart type selected, choosing bars" );
	_cp = new KChartBarsPainter( this );
  };

  _blockautoupdate = false;

  doAutoUpdate();
}

KChartType KChart::chartType() const
{
  return _charttype;
}


void KChart::setChartData( KChartData* chartdata )
{
  _chartdata = chartdata;
}


KChartData* KChart::chartData() const
{
  return _chartdata;
}


void KChart::repaintChart( QPaintDevice* paintdev )
{
  _cp->paintChart( paintdev );
}


void KChart::setTitle( const char* str )
{
  _title = str;

  doAutoUpdate();
}


QString KChart::title() const
{
  return _title;
}


void KChart::setXLabel( const char* str )
{
  _xlabel = str;

  doAutoUpdate();
}


QString KChart::xLabel() const
{
  return _xlabel;
}


void KChart::setYLabel( const char* str )
{
  _ylabel = str;

  doAutoUpdate();
}


QString KChart::yLabel() const
{
  return _ylabel;
}

void KChart::setY1Label( const char* str )
{
  _y1label = str;

  doAutoUpdate();
}

QString KChart::y1Label() const
{
  return _y1label;
}

void KChart::setY2Label( const char* str )
{
  _y2label = str;

  doAutoUpdate();
}


QString KChart::y2Label() const
{
  return _y2label;
}


void KChart::setTextColor( QColor color  )
{
  _textcolor = color;

  doAutoUpdate();
}

QColor KChart::textColor() const
{
  return _textcolor;
}


void KChart::setTitleFont( QFont font )
{
  _titlefont = font;

  QFontMetrics fm( font );
  _titlefontwidth = fm.width( 'm' );
  _titlefontheight = fm.height();

  doAutoUpdate();
}

QFont KChart::titleFont() const
{
  return _titlefont;
}


void KChart::setLabelFont( QFont font )
{
  _xlabelfont = font;
  _ylabelfont = font;

  QFontMetrics fm( font );
  _xlabelfontwidth = fm.width( 'm' );
  _xlabelfontheight = fm.height();
  _ylabelfontwidth = fm.width( 'm' );
  _ylabelfontheight = fm.height();

  doAutoUpdate();
}

QFont KChart::labelFont() const
{
  return _xlabelfont;
}


void KChart::setXLabelFont( QFont font  )
{
  _xlabelfont = font;

  QFontMetrics fm( font );
  _xlabelfontwidth = fm.width( 'm' );
  _xlabelfontheight = fm.height();

  doAutoUpdate();
}

QFont KChart::xLabelFont() const
{
  return _xlabelfont;
}


void KChart::setYLabelFont( QFont font )
{
  _ylabelfont = font;

  QFontMetrics fm( font );
  _ylabelfontwidth = fm.width( 'm' );
  _ylabelfontheight = fm.height();

  doAutoUpdate();
}

QFont KChart::yLabelFont() const
{
  return _ylabelfont;
}


void KChart::setValueFont( QFont font  )
{
  _valuefont = font;
  QFontMetrics fm( font );
  _valuefontwidth = fm.width( 'm' );
  _valuefontheight = fm.height();

  doAutoUpdate();
}

QFont KChart::valueFont() const
{
  return _valuefont;
}


void KChart::setXAxisFont( QFont font  )
{
  _xaxisfont = font;

  QFontMetrics fm( font );
  _xaxisfontwidth = fm.width( 'm' );
  _xaxisfontheight = fm.height();

  doAutoUpdate();
}

QFont KChart::xAxisFont() const
{
  return _xaxisfont;
}


void KChart::setYAxisFont( QFont font )
{
  _yaxisfont = font;

  QFontMetrics fm( font );
  _yaxisfontwidth = fm.width( 'm' );
  _yaxisfontheight = fm.height();

  doAutoUpdate();
}

QFont KChart::yAxisFont() const
{
  return _yaxisfont;
}


void KChart::setMargin( int margin )
{
  // PENDING(kalle) set the values for the margins seperately
  _topmargin = margin;
  _bottommargin = margin;
  _leftmargin = margin;
  _rightmargin = margin;

  doAutoUpdate();
}

int KChart::margin() const
{
  return _topmargin;
}


void KChart::setDataColors( KChartColorArray* colors )
{
  _datacolors = *colors;

  doAutoUpdate();
}

const KChartColorArray* KChart::dataColors() const
{
  return &_datacolors;
}


void KChart::setTickLength( int length )
{
  _ticklength = length;

  doAutoUpdate();
}

int KChart::tickLength() const
{
  return _ticklength;
}


void KChart::setYTicksNum( int ticks )
{
  _yticksnum = ticks;

  doAutoUpdate();
}


int KChart::yTicksNum() const
{
  return _yticksnum;
}


void KChart::setXLabelSkip( int skip )
{
  _xlabelskip = skip;

  doAutoUpdate();
}

int KChart::xLabelSkip() const
{
  return _xlabelskip;
}


void KChart::setYLabelSkip( int skip  )
{
  _ylabelskip = skip;

  doAutoUpdate();
}

int KChart::yLabelSkip() const
{
  return _ylabelskip;
}


void KChart::setXPlotValues( bool plot )
{
  _xplotvalues = plot;

  doAutoUpdate();
}

bool KChart::xPlotValues() const
{
  return _xplotvalues;
}


void KChart::setYPlotValues( bool plot )
{
  _yplotvalues = plot;

  doAutoUpdate();
}

bool KChart::yPlotValues() const
{
  return _yplotvalues;
}


void KChart::setYMaxValue( double value )
{
  _ymax = value;

  doAutoUpdate();
}

double KChart::yMaxValue() const
{
  return _ymax;
}


void KChart::setYMinValue( double value )
{
  _ymin = value;

  doAutoUpdate();
}

double KChart::yMinValue() const
{
  return _ymin;
}

void KChart::setY1MaxValue( double value )
{
  _y1max = value;

  doAutoUpdate();
}

double KChart::y1MaxValue() const
{
  return _y1max;
}

void KChart::setY1MinValue( double value )
{
  _y1min = value;

  doAutoUpdate();
}

double KChart::y1MinValue() const
{
  return _y1min;
}

void KChart::setY2MaxValue( double value )
{
  _y2max = value;

  doAutoUpdate();
}

double KChart::y2MaxValue() const
{
  return _y2max;
}

void KChart::setY2MinValue( double value )
{
  _y2min = value;

  doAutoUpdate();
}

double KChart::y2MinValue() const
{
  return _y2min;
}


void KChart::setAxisSpace( int space )
{
  _axisspace = space;

  doAutoUpdate();
}

int KChart::axisSpace() const
{
  return _axisspace;
}


void KChart::setLineWidth( int width )
{
  _linewidth = width;

  doAutoUpdate();
}

int KChart::lineWidth() const
{
  return _linewidth;
}


void KChart::setOverwrite( OverwriteMode over )
{
  _overwrite = over;

  doAutoUpdate();
}


OverwriteMode KChart::overwrite() const
{
  return _overwrite;
}


void KChart::setTwoAxes( bool twoaxes )
{
  _twoaxes = twoaxes;

  doAutoUpdate();
}

bool KChart::twoAxes() const
{
  return _twoaxes;
}


void KChart::setLongTicks( bool longticks )
{
  _longticks = longticks;

  doAutoUpdate();
}

bool KChart::longTicks() const
{
  return _longticks;
}


void KChart::setLegends( QStrList legends )
{
  _legends = legends;

  doAutoUpdate();
}


QStrList KChart::legends() const
{
  return _legends;
}


void KChart::setLegendPlacement( int placement )
{
  _legendplacement = (LegendPlacement)placement;

  doAutoUpdate();
}

LegendPlacement KChart::legendPlacement() const
{
  return _legendplacement;
}


void KChart::setZeroAxisOnly( bool only )
{
  _zeroaxisonly = only;

  doAutoUpdate();
}

bool KChart::zeroAxisOnly() const
{
  return _zeroaxisonly;
}


void KChart::setAxisLabelColor( QColor color )
{
  _axislabelcolor = color;

  doAutoUpdate();
}

QColor KChart::axisLabelColor() const
{
  return _axislabelcolor;
}


void KChart::setBoxAxis( bool boxaxis )
{
  _boxaxis = boxaxis;

  doAutoUpdate();
}

bool KChart::boxAxis() const
{
  return _boxaxis;
}


void KChart::setXTicks( bool xticks )
{
  _xticks = xticks;

  doAutoUpdate();
}

bool KChart::xTicks() const
{
  return _xticks;
}


void KChart::setLineTypes( PenStyle types[], int number )
{
  for( int i = 0; i < number; i++ ) {
	PenStyle* ps = new PenStyle(); // deleted via auto-delete of list
	*ps = types[i];
	_linetypes.append( ps );
  }

  doAutoUpdate();
}

void KChart::lineTypes( PenStyle types[], int& number )
{
  uint i = 0;
  for( i =  0; i < _linetypes.count(); i++ )
	types[ i ] = *_linetypes.at( i );
  number = i;
}


void KChart::setLegendMarkerWidth( int width )
{
  _legendmarkerwidth = width;

  doAutoUpdate();
}

int KChart::legendMarkerWidth() const
{
  return _legendmarkerwidth;
}


void KChart::setLegendMarkerHeight( int height )
{
  _legendmarkerheight = height;

  doAutoUpdate();
}

int KChart::legendMarkerHeight() const
{
  return _legendmarkerheight;
}


void KChart::setLegendFont( QFont font )
{
  _legendfont = font;

  QFontMetrics fm( font );
  _legendfontwidth = fm.width( 'm' );
  _legendfontheight = fm.height();

  doAutoUpdate();
}

QFont KChart::legendFont() const
{
  return _legendfont;
}


void KChart::setPieHeight( int height )
{
  _pieheight = height;

  doAutoUpdate();
}


int KChart::pieHeight() const
{
  return _pieheight;
}


void KChart::addAutoUpdate( QPaintDevice* device )
{
  _autoupdatedevices.append( device );
}


void KChart::removeAutoUpdate( QPaintDevice* device )
{
  _autoupdatedevices.remove( device );
}


void KChart::doAutoUpdate()
{
  if( _blockautoupdate == true )
	return;
  QPaintDevice* device = _autoupdatedevices.first();
  while( device ) {
	repaintChart( device );
	device = _autoupdatedevices.next();
  }
}