charts.plugin.php

<?php

    /**
     *  Charts plugin
     *
     *  @package Monstra
     *  @subpackage Plugins
     *  @author Romanenko Sergey / Awilum
     *  @copyright 2012 Romanenko Sergey / Awilum
     *  @version 1.0.0
     *
     */


    // Register plugin
    Plugin::register( __FILE__,
                    __('Charts'),
                    __('Charts plugin for Monstra.'),
                    '1.0.0',
                    'Awilum',
                    'http://monstra.org');



    // Add hook
    Action::add('theme_header', 'Charts::themesHeaders');

    // Add shortcode
    Shortcode::add('chart', 'Charts::_shortcode');


        /**
         * Charts Shortcode
         *
         *  <code>
         *      {chart data="Mushrooms,3|Zucchini,5|Pepperoni,1"}
         *
         *      {chart width="640" height="480" data="Mushrooms,3|Zucchini,5|Pepperoni,1"}
         *
         *      {chart width="640" height="480" title="How Much Pizza I Ate Last Night" data="Mushrooms,3|Zucchini,5|Pepperoni,1"}
         *
         *      {chart width="640" height="480" title="How Much Pizza I Ate Last Night" type="bar" data="Mushrooms,3|Zucchini,5|Pepperoni,1"}
         *  </code>
         *
         */
    class Charts {


        /**
         * Charts Headers
         */
        public static function themesHeaders() {
            echo ('');
        }


        /**
         * Charts Shortcode
         */
        public static function _shortcode($attributes) {

            // Extract
            extract($attributes);

            // UID
            $uid = Text::random();

            // Data
            if (isset($data)) {
                $data_string = '';
                $_data = explode('|', $data);
                foreach($_data as $d) {
                    $part = explode(',', $d);
                    $data_string .= '["'.$part[0].'", '.$part[1].'],';
                }

                $data = $data_string;
            } else {
                $data = '["test", 1],';
            }

            // Title
            if (isset($title)) $title = $title; else $title = 'Charts';

            // Type
            if (isset($type) && ($type == 'pie' || $type == 'bar')) $type = $type; else $type = 'pie';

            // Width
            if (isset($width)) $width = $width; else $width = 400;

            // Height
            if (isset($height)) $height = $height; else $height = 300;

            // Chart
            return ('
            <script type="text/javascript" src="https://www.google.com/jsapi"></script>
            <script type="text/javascript">
                      google.load("visualization", "1.0", {"packages":["corechart"]});
                      google.setOnLoadCallback(drawChart_'.$uid.');
                      function drawChart_'.$uid.'() {
                        var data = new google.visualization.DataTable();
                        data.addColumn("string", "Topping");
                        data.addColumn("number", "Slices");
                        data.addRows([
                          '.$data.'
                        ]);
                        var options = {\'title\':\''.$title.'\',
                                       \'width\':'.(int)$width.',
                                       \'height\':'.(int)$height.'};
                        var chart = new google.visualization.'.ucfirst($type).'Chart(document.getElementById(\'chart_div_'.$uid.'\'));
                        chart.draw(data, options);
                      }
                    </script>
                    <div id="chart_div_'.$uid.'"></div>');

        }

    }