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<?php
/**
* Graphs
*
* This class handles building pretty report graphs
*
* @package EDD
* @subpackage Admin/Reports
* @copyright Copyright (c) 2015, Pippin Williamson
* @license http://opensource.org/licenses/gpl-2.0.php GNU Public License
* @since 1.9
*/
// Exit if accessed directly
if ( ! defined( 'ABSPATH' ) ) exit;
/**
* EDD_Graph Class
*
* @since 1.9
*/
class EDD_Graph {
/*
Simple example:
data format for each point: array( location on x, location on y )
$data = array(
'Label' => array(
array( 1, 5 ),
array( 3, 8 ),
array( 10, 2 )
),
'Second Label' => array(
array( 1, 7 ),
array( 4, 5 ),
array( 12, 8 )
)
);
$graph = new EDD_Graph( $data );
$graph->display();
*/
/**
* Data to graph
*
* @var array
* @since 1.9
*/
private $data;
/**
* Unique ID for the graph
*
* @var string
* @since 1.9
*/
private $id = '';
/**
* Graph options
*
* @var array
* @since 1.9
*/
private $options = array();
/**
* Get things started
*
* @since 1.9
*/
public function __construct( $_data ) {
$this->data = $_data;
// Generate unique ID
$this->id = 'a' . md5( rand() );
// Setup default options;
$this->options = array(
'y_mode' => null,
'x_mode' => null,
'y_decimals' => 0,
'x_decimals' => 0,
'y_position' => 'right',
'time_format' => '%d/%b',
'ticksize_unit' => 'day',
'ticksize_num' => 1,
'multiple_y_axes' => false,
'bgcolor' => '#f9f9f9',
'bordercolor' => '#ccc',
'color' => '#bbb',
'borderwidth' => 2,
'bars' => false,
'lines' => true,
'points' => true,
'additional_options' => '',
);
}
/**
* Set an option
*
* @param $key The option key to set
* @param $value The value to assign to the key
* @since 1.9
*/
public function set( $key, $value ) {
$this->options[ $key ] = $value;
}
/**
* Get an option
*
* @param $key The option key to get
* @since 1.9
*/
public function get( $key ) {
return isset( $this->options[ $key ] ) ? $this->options[ $key ] : false;
}
/**
* Get graph data
*
* @since 1.9
*/
public function get_data() {
return apply_filters( 'edd_get_graph_data', $this->data, $this );
}
/**
* Load the graphing library script
*
* @since 1.9
*/
public function load_scripts() {
// Use minified libraries if SCRIPT_DEBUG is turned off
$suffix = ( defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ) ? '' : '.min';
wp_enqueue_script( 'jquery-flot', EDD_PLUGIN_URL . 'assets/js/jquery.flot' . $suffix . '.js' );
do_action( 'edd_graph_load_scripts' );
}
/**
* Build the graph and return it as a string
*
* @var array
* @since 1.9
* @return string
*/
public function build_graph() {
$yaxis_count = 1;
$this->load_scripts();
ob_start();
?>
<script type="text/javascript">
jQuery( document ).ready( function($) {
$.plot(
$("#edd-graph-<?php echo $this->id; ?>"),
[
<?php foreach( $this->get_data() as $label => $data ) : ?>
{
label: "<?php echo esc_attr( $label ); ?>",
id: "<?php echo sanitize_key( $label ); ?>",
// data format is: [ point on x, value on y ]
data: [<?php foreach( $data as $point ) { echo '[' . implode( ',', $point ) . '],'; } ?>],
points: {
show: <?php echo $this->options['points'] ? 'true' : 'false'; ?>,
},
bars: {
show: <?php echo $this->options['bars'] ? 'true' : 'false'; ?>,
barWidth: 12,
aling: 'center'
},
lines: {
show: <?php echo $this->options['lines'] ? 'true' : 'false'; ?>
},
<?php if( $this->options['multiple_y_axes'] ) : ?>
yaxis: <?php echo $yaxis_count; ?>
<?php endif; ?>
},
<?php $yaxis_count++; endforeach; ?>
],
{
// Options
grid: {
show: true,
aboveData: false,
color: "<?php echo $this->options['color']; ?>",
backgroundColor: "<?php echo $this->options['bgcolor']; ?>",
borderColor: "<?php echo $this->options['bordercolor']; ?>",
borderWidth: <?php echo absint( $this->options['borderwidth'] ); ?>,
clickable: false,
hoverable: true
},
xaxis: {
mode: "<?php echo $this->options['x_mode']; ?>",
timeFormat: "<?php echo $this->options['x_mode'] == 'time' ? $this->options['time_format'] : ''; ?>",
tickSize: "<?php echo $this->options['x_mode'] == 'time' ? '' : $this->options['ticksize_num']; ?>",
<?php if( $this->options['x_mode'] != 'time' ) : ?>
tickDecimals: <?php echo $this->options['x_decimals']; ?>
<?php endif; ?>
},
yaxis: {
position: 'right',
min: 0,
mode: "<?php echo $this->options['y_mode']; ?>",
timeFormat: "<?php echo $this->options['y_mode'] == 'time' ? $this->options['time_format'] : ''; ?>",
<?php if( $this->options['y_mode'] != 'time' ) : ?>
tickDecimals: <?php echo $this->options['y_decimals']; ?>
<?php endif; ?>
},
<?php echo $this->options['additional_options']; ?>
}
);
function edd_flot_tooltip(x, y, contents) {
$('<div id="edd-flot-tooltip">' + contents + '</div>').css( {
position: 'absolute',
display: 'none',
top: y + 5,
left: x + 5,
border: '1px solid #fdd',
padding: '2px',
'background-color': '#fee',
opacity: 0.80
}).appendTo("body").fadeIn(200);
}
var previousPoint = null;
$("#edd-graph-<?php echo $this->id; ?>").bind("plothover", function (event, pos, item) {
$("#x").text(pos.x.toFixed(2));
$("#y").text(pos.y.toFixed(2));
if (item) {
if (previousPoint != item.dataIndex) {
previousPoint = item.dataIndex;
$("#edd-flot-tooltip").remove();
var x = item.datapoint[0].toFixed(2),
y = item.datapoint[1].toFixed(2);
if( item.series.id.includes('earnings') ) {
if( edd_vars.currency_pos == 'before' ) {
edd_flot_tooltip( item.pageX, item.pageY, item.series.label + ' ' + edd_vars.currency_sign + y );
} else {
edd_flot_tooltip( item.pageX, item.pageY, item.series.label + ' ' + y + edd_vars.currency_sign );
}
} else {
edd_flot_tooltip( item.pageX, item.pageY, item.series.label + ' ' + y.replace( '.00', '' ) );
}
}
} else {
$("#edd-flot-tooltip").remove();
previousPoint = null;
}
});
});
</script>
<div id="edd-graph-<?php echo $this->id; ?>" class="edd-graph" style="height: 300px;"></div>
<?php
return ob_get_clean();
}
/**
* Output the final graph
*
* @since 1.9
*/
public function display() {
do_action( 'edd_before_graph', $this );
echo $this->build_graph();
do_action( 'edd_after_graph', $this );
}
}
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