116 lines
2.2 KiB
PHP
116 lines
2.2 KiB
PHP
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<?php
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class y_axis_base
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{
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function y_axis_base(){}
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/**
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* @param $s as integer, thickness of the Y axis line
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*/
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function set_stroke( $s )
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{
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$this->stroke = $s;
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}
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/**
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* @param $val as integer. The length of the ticks in pixels
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*/
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function set_tick_length( $val )
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{
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$tmp = 'tick-length';
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$this->$tmp = $val;
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}
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function set_colours( $colour, $grid_colour )
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{
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$this->set_colour( $colour );
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$this->set_grid_colour( $grid_colour );
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}
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function set_colour( $colour )
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{
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$this->colour = $colour;
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}
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function set_grid_colour( $colour )
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{
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$tmp = 'grid-colour';
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$this->$tmp = $colour;
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}
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/**
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* Set min and max values, also (optionally) set the steps value.
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* You can reverse the chart by setting min larger than max, e.g. min = 10
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* and max = 0.
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*
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* @param $min as integer
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* @param $max as integer
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* @param $steps as integer.
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*/
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function set_range( $min, $max, $steps=1 )
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{
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$this->min = $min;
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$this->max = $max;
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$this->set_steps( $steps );
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}
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/**
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* Sugar for set_range
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*/
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function range( $min, $max, $steps=1 )
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{
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$this->set_range( $min, $max, $steps );
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return $this;
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}
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/**
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* @param $off as Boolean. If true the Y axis is nudged up half a step.
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*/
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function set_offset( $off )
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{
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$this->offset = $off?1:0;
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}
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/**
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* @param $y_axis_labels as an y_axis_labels object
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* Use this to customize the labels (colour, font, etc...)
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*/
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function set_labels( $y_axis_labels )
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{
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$this->labels = $y_axis_labels;
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}
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/**
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* Pass in some text for each label. This can contain magic variables "#val#" which
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* will get replaced with the value for that Y axis label. Useful for:
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* - "<EFBFBD>#val#"
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* - "#val#%"
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* - "#val# million"
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*
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* @param $text as string.
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*/
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function set_label_text( $text )
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{
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$tmp = new y_axis_labels();
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$tmp->set_text( $text );
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$this->labels = $tmp;
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}
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/**
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* @param $steps as integer.
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*
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* Only show every $steps label, e.g. every 10th
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*/
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function set_steps( $steps )
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{
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$this->steps = $steps;
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}
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/**
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* Make the labels show vertical
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*/
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function set_vertical()
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{
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$this->rotate = "vertical";
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}
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}
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