Proyectos de Subversion Moodle

<?php

// This file is part of Moodle - http://moodle.org/

//

// Moodle is free software: you can redistribute it and/or modify

// it under the terms of the GNU General Public License as published by

// the Free Software Foundation, either version 3 of the License, or

// (at your option) any later version.

//

// Moodle is distributed in the hope that it will be useful,

// but WITHOUT ANY WARRANTY; without even the implied warranty of

// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

// GNU General Public License for more details.

//

// You should have received a copy of the GNU General Public License

// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.

/**

 * Configurable Reports

 * A Moodle block for creating customizable reports

 * @package blocks

 * @author: Juan leyva <http://www.twitter.com/jleyvadelgado>

 * @date: 2009

 */

require_once($CFG->dirroot.'/blocks/configurable_reports/plugin.class.php');

class plugin_pie extends plugin_base{

    public function init() {

        $this->fullname = get_string('pie', 'block_configurable_reports');

        $this->form = true;

        $this->ordering = true;

        $this->reporttypes = array('courses', 'sql', 'users', 'timeline', 'categories');

    }

    public function summary($data) {

        return get_string('piesummary', 'block_configurable_reports');

    }

    // Data -> Plugin configuration data.

    public function execute($id, $data, $finalreport) {

        global $DB, $CFG;

        $series = array();

        if ($finalreport) {

            foreach ($finalreport as $r) {

                if ($data->areaname == $data->areavalue) {

                    $hash = md5(strtolower($r[$data->areaname]));

                    if (isset($series[0][$hash])) {

                        $series[1][$hash] += 1;

                    } else {

                        $series[0][$hash] = str_replace(',', '', $r[$data->areaname]);

                        $series[1][$hash] = 1;

                    }

                } else if (!isset($data->group) || ! $data->group) {

                    $series[0][] = str_replace(',', '', $r[$data->areaname]);

                    $series[1][] = (isset($r[$data->areavalue]) && is_numeric($r[$data->areavalue])) ? $r[$data->areavalue] : 0;

                } else {

                    $hash = md5(strtolower($r[$data->areaname]));

                    if (isset($series[0][$hash])) {

                        $series[1][$hash] += (isset($r[$data->areavalue]) && is_numeric($r[$data->areavalue])) ? $r[$data->areavalue] : 0;

                    } else {

                        $series[0][$hash] = str_replace(',', '', $r[$data->areaname]);

                        $series[1][$hash] = (isset($r[$data->areavalue]) && is_numeric($r[$data->areavalue])) ? $r[$data->areavalue] : 0;

                    }

                }

            }

        }

        // Custom sort.

        $colors = [];

        $mappedcolors = [];

        $unmappedcolors = [];

        if (!empty($data->{'piechart_label'})) {

            $length = count($data->{'piechart_label'});

            for ($i = 0; $i < $length; $i++) {

                if (!empty($data->{'piechart_label'}[$i])) {

                    $key = $data->{'piechart_label'}[$i];

                    $colorcode = ltrim($data->{'piechart_label_color'}[$i], '#');

                    $mappedcolors[$key] = $colorcode;

                }

            }

        }

        $mappedcolorkeys = array_keys($mappedcolors);

        if (!empty($data->{'generalcolorpalette'})) {

            $rawunmappedcolors = explode(PHP_EOL, $data->{'generalcolorpalette'});

            foreach ($rawunmappedcolors as $rawcolor) {

                if (!empty($rawcolor)) {

                    $unmappedcolors[] = ltrim(trim($rawcolor), '#');

                }

            }

        }

        $serie0sorted = [];

        $serie1sorted = [];

        $i = 0;

        $unmappedindex = 0;

        $unmappedcolorcount = count($unmappedcolors);

        foreach ($series[0] as $index => $serie) {

            $serie = strip_tags($serie);

            $serie0sorted[] = $serie;

            $serie1sorted[] = $series[1][$index];

            if (in_array($serie, $mappedcolorkeys)) {

                $colors[$i] = $this->parse_color($mappedcolors[$serie]);

            } else if ($unmappedindex < $unmappedcolorcount) {

                $colors[$i] = $this->parse_color($unmappedcolors[$unmappedindex]);

                $unmappedindex++;

            } else {

                $colors[$i] = '';

            }

            $i++;

        }

        $serie0 = base64_encode(strip_tags(implode(',', $serie0sorted)));

        $serie1 = base64_encode(implode(',', $serie1sorted));

        $colorpalette = base64_encode(implode(',', $colors));

        return $CFG->wwwroot.'/blocks/configurable_reports/components/plot/pie/graph.php?reportid='.$this->report->id.'&id='.$id.'&serie0='.$serie0.'&serie1='.$serie1.'&colorpalette='.$colorpalette;

    }

    public function get_series($data) {

        $serie0 = required_param('serie0', PARAM_RAW);

        $serie1 = required_param('serie1', PARAM_RAW);

        return array(explode(',', base64_decode($serie0)), explode(',', base64_decode($serie1)));

    }

    public function get_color_palette($data) {

        if ($colorpalette = optional_param('colorpalette', '', PARAM_RAW)) {

            $colorpalette = explode(',', base64_decode($colorpalette));

            foreach ($colorpalette as $index => $item) {

                if (!empty($item)) {

                    $colorpalette[$index] = explode('|', $item);

                } else {

                    unset($colorpalette[$index]);

                }

            }

            return $colorpalette;

        }

        return null;

    }

    public function parse_color($colorcode) {

        return implode('|', array_map(

                function ($c) {

                    return hexdec(str_pad($c, 2, $c));

                }, str_split($colorcode, strlen($colorcode) > 4 ? 2 : 1)));

    }

}