Adding the graphing engine.
This commit is contained in:
Martin Kamerbeek
parent
683b580849
commit
27af7de00c
25 changed files with 3830 additions and 15 deletions
394
lib/WebGUI/Image/Graph/XYGraph.pm
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394
lib/WebGUI/Image/Graph/XYGraph.pm
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package WebGUI::Image::Graph::XYGraph;
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use strict;
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use WebGUI::Image::Graph;
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use WebGUI::International;
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use List::Util;
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use POSIX;
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our @ISA = qw(WebGUI::Image::Graph);
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#-------------------------------------------------------------------
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sub configurationForm {
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my ($configForms, $f);
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my $self = shift;
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my $i18n = WebGUI::International->new($self->session, 'Image_Graph_XYGraph');
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$configForms = $self->SUPER::configurationForm;
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$f = WebGUI::HTMLForm->new($self->session);
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$f->trClass('Graph_XYGraph');
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$f->integer(
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name => 'xyGraph_chartWidth',
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value => $self->getChartWidth,
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label => $i18n->get('chart width'),
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);
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$f->integer(
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name => 'xyGraph_chartHeight',
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value => $self->getChartHeight,
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label => $i18n->get('chart height'),
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);
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$f->yesNo(
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name => 'xyGraph_drawLabels',
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value => $self->showLabels,
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label => $i18n->get('draw labels'),
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);
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$f->yesNo(
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name => 'xyGraph_drawAxis',
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value => $self->showAxis,
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label => $i18n->get('draw axis'),
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);
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$f->color(
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name => 'xyGraph_axisColor',
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value => $self->getAxisColor,
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label => $i18n->get('axis color'),
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);
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$f->yesNo(
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name => 'xyGraph_drawRulers',
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value => $self->showRulers,
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label => $i18n->get('draw rulers'),
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);
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$f->color(
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name => 'xyGraph_rulerColor',
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value => $self->getRulerColor,
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label => $i18n->get('ruler color'),
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);
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$f->selectBox(
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name => 'xyGraph_drawMode',
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value => [ $self->getDrawMode ],
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label => $i18n->get('draw mode'),
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multiple=> 0,
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options => {
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sideBySide => 'Side by side',
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stacked => 'Stacked (cumulative',
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},
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);
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$f->float(
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name => 'xyGraph_yGranularity',
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value => $self->getYGranularity,
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label => $i18n->get('y granularity'),
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);
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$configForms->{'graph_xygraph'} = $f->printRowsOnly;
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return $configForms;
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}
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#-------------------------------------------------------------------
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sub draw {
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my $self = shift;
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# Automagically set the chart offset.
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my $maxYLabelWidth = List::Util::max(map {$self->getLabelDimensions($_)->{width}} @{$self->getYLabels});
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$self->setChartOffset({
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x=> $maxYLabelWidth + 2*$self->getLabelOffset,
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y=> $self->getLabelOffset
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});
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$self->drawRulers if ($self->showRulers);
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$self->drawGraph;
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$self->drawAxis if ($self->showAxis);
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$self->drawLabels if ($self->showLabels);
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}
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#-------------------------------------------------------------------
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sub drawAxis {
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my $self = shift;
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my $chartOffset = $self->getChartOffset;
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$self->image->Draw(
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primitive => 'Path',
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stroke => $self->getAxisColor,
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points =>
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" M ".$chartOffset->{x}.",".$chartOffset->{y}.
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" L ".$chartOffset->{x}.",".($self->getChartHeight + $chartOffset->{y}).
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" L ".($self->getChartWidth + $chartOffset->{x}).",".($self->getChartHeight + $chartOffset->{y})
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);
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}
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#-------------------------------------------------------------------
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sub drawLabels {
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my $self = shift;
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my $location = shift;
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my %anchorPoint = %{$self->getFirstAnchorLocation};# %$location;
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# Draw x-axis labels
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foreach (@{$self->getLabel}) {
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my $text = $self->wrapLabelToWidth($_, $self->getAnchorSpacing->{x});
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$self->drawLabel(
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text => $text,
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alignHorizontal => 'center',
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alignVertical => 'top',
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align => 'Center',
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x => $anchorPoint{x},
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y => $anchorPoint{y},
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);
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$anchorPoint{x} += $self->getAnchorSpacing->{x}; #$groupWidth + $self->getGroupSpacing;
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$anchorPoint{y} += $self->getAnchorSpacing->{y};
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}
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# Draw y-axis labels
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$anchorPoint{x} = $self->getChartOffset->{x} - $self->getLabelOffset;
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$anchorPoint{y} = $self->getChartOffset->{y} + $self->getChartHeight;
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# for (1 .. $self->getYRange / $self->getYGranularity) {
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foreach (@{$self->getYLabels}) {
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$self->drawLabel(
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text => $_,
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alignHorizontal => 'right',
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alignVertical => 'center',
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x => $anchorPoint{x}, #$self->getChartOffset->{x} - $self->getLabelOffset,
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y => $anchorPoint{y}, #$self->getChartOffset->{y} + $self->getChartHeight - $self->getPixelsPerUnit * $_*$self->getYGranularity,
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);
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$anchorPoint{y} -= $self->getPixelsPerUnit * $self->getYGranularity
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}
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}
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#-------------------------------------------------------------------
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sub drawRulers {
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my $self = shift;
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my $chartOffset = $self->getChartOffset;
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my $dist = $self->getLabelOffset;
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for (1 .. $self->getYRange / $self->getYGranularity) {
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$self->image->Draw(
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primitive => 'Path',
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stroke => $self->getRulerColor,
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points =>
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" M ".$chartOffset->{x}.",".($chartOffset->{y}+$self->getChartHeight - $self->getPixelsPerUnit * $_*$self->getYGranularity).
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" L ".($chartOffset->{x}+$self->getChartWidth).",".($chartOffset->{y}+$self->getChartHeight - $self->getPixelsPerUnit * $_*$self->getYGranularity)
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);
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}
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}
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#-------------------------------------------------------------------
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sub formNamespace {
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my $self = shift;
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return $self->SUPER::formNamespace.'_XYGraph';
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}
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#-------------------------------------------------------------------
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sub getAxisColor {
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my $self = shift;
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return $self->{_axisProperties}->{axisColor} || '#222222';
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}
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#-------------------------------------------------------------------
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sub getChartHeight {
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my $self = shift;
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return $self->{_properties}->{chartHeight};
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}
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#-------------------------------------------------------------------
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sub getChartOffset {
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my $self = shift;
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return $self->{_properties}->{chartOffset} || { x=>0, y=>0 }
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}
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#-------------------------------------------------------------------
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sub getChartWidth {
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my $self = shift;
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return $self->{_properties}->{chartWidth};
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}
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#-------------------------------------------------------------------
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sub getConfiguration {
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my $self = shift;
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my $config = $self->SUPER::getConfiguration;
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$config->{xyGraph_chartWidth} = $self->getChartWidth;
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$config->{xyGraph_chartHeight} = $self->getChartHeight;
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$config->{xyGraph_drawLabels} = $self->showLabels;
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$config->{xyGraph_drawAxis} = $self->showAxis;
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$config->{xyGraph_drawRulers} = $self->showRulers;
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$config->{xyGraph_drawMode} = $self->getDrawMode;
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$config->{xyGraph_yGranularity} = $self->getYGranularity;
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return $config;
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}
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#-------------------------------------------------------------------
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sub getDrawMode {
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my $self = shift;
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return $self->{_barProperties}->{drawMode} || 'sideBySide';
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}
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#-------------------------------------------------------------------
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sub getPixelsPerUnit {
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my $self = shift;
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return $self->getChartHeight / $self->getYRange;
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}
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#-------------------------------------------------------------------
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sub getRulerColor {
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my $self = shift;
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return $self->{_axisProperties}->{rulerColor} || '#777777';
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}
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#-------------------------------------------------------------------
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sub getYGranularity {
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my $self = shift;
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return $self->{_properties}->{yGranularity} || 50;
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}
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#-------------------------------------------------------------------
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sub getYLabels {
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my $self = shift;
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my @yLabels;
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for (0 .. $self->getYRange / $self->getYGranularity) {
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push(@yLabels, $_ * $self->getYGranularity);
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}
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return \@yLabels;
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}
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#-------------------------------------------------------------------
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sub getYRange {
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my $self = shift;
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return $self->getYGranularity*ceil($self->getMaxValueFromDataset / $self->getYGranularity) || 1;
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}
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#-------------------------------------------------------------------
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sub setAxisColor {
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my $self = shift;
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my $color = shift;
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$self->{_axisProperties}->{axisColor} = $color;
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}
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#-------------------------------------------------------------------
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sub setChartHeight {
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my $self = shift;
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my $height = shift;
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$self->{_properties}->{chartHeight} = $height;
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}
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#-------------------------------------------------------------------
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sub setChartOffset {
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my $self = shift;
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my $point = shift;
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$self->{_properties}->{chartOffset} = {%$point};
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}
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#-------------------------------------------------------------------
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sub setChartWidth {
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my $self = shift;
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my $width = shift;
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$self->{_properties}->{chartWidth} =$width;
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}
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#-------------------------------------------------------------------
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sub setConfiguration {
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my $self = shift;
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my $config = shift;
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$self->SUPER::setConfiguration($config);
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$self->setChartWidth($config->{xyGraph_chartWidth});
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$self->setChartHeight($config->{xyGraph_chartHeight});
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$self->setShowLabels($config->{xyGraph_drawLabels});
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$self->setShowAxis($config->{xyGraph_drawAxis});
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$self->setShowRulers($config->{xyGraph_drawRulers});
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$self->setDrawMode($config->{xyGraph_drawMode});
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$self->setYGranularity($config->{xyGraph_yGranularity});
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$self->setAxisColor($config->{xyGraph_axisColor});
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$self->setRulerColor($config->{xyGraph_rulerColor});
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return $config;
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}
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#-------------------------------------------------------------------
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sub setDrawMode {
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my $self = shift;
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my $mode = shift;
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if ($mode eq 'stacked' || $mode eq 'sideBySide') {
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$self->{_barProperties}->{drawMode} = $mode;
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} else {
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$self->{_barProperties}->{drawMode} = 'sideBySide';
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}
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}
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#-------------------------------------------------------------------
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sub setRulerColor {
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my $self = shift;
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my $color = shift;
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$self->{_axisProperties}->{rulerColor} = $color;
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}
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#-------------------------------------------------------------------
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sub setShowAxis {
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my $self = shift;
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my $yesNo = shift;
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$self->{_properties}->{showAxis} = $yesNo;
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}
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#-------------------------------------------------------------------
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sub setShowLabels {
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my $self = shift;
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my $yesNo = shift;
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$self->{_properties}->{showLabels} = $yesNo;
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}
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#-------------------------------------------------------------------
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sub setShowRulers {
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my $self = shift;
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my $yesNo = shift;
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$self->{_properties}->{showRulers} = $yesNo;
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}
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#-------------------------------------------------------------------
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sub setYGranularity {
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my $self = shift;
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my $granularity = shift;
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$self->{_properties}->{yGranularity} = $granularity;
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}
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#-------------------------------------------------------------------
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sub showAxis {
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my $self = shift;
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return 1 unless (defined $self->{_properties}->{showAxis});
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return $self->{_properties}->{showAxis};
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}
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#-------------------------------------------------------------------
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sub showLabels {
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my $self = shift;
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return 1 unless (defined $self->{_properties}->{showLabels});
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return $self->{_properties}->{showLabels};
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}
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#-------------------------------------------------------------------
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sub showRulers {
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my $self = shift;
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return 1 unless (defined $self->{_properties}->{showRulers});
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return $self->{_properties}->{showRulers};
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}
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1;
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