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("../../../../../config.php");
require_once($CFG->dirroot."/blocks/configurable_reports/locallib.php");

require_login();

error_reporting(0);
ini_set('display_erros', false);

$id = required_param('id', PARAM_ALPHANUM);
$reportid = required_param('reportid', PARAM_INT);

if (!$report = $DB->get_record('block_configurable_reports', array('id' => $reportid))) {
    print_error('reportdoesnotexists');
}

$courseid = $report->courseid;

if (!$course = $DB->get_record('course', array('id' => $courseid))) {
    print_error('No such course id');
}

// Force user login in course (SITE or Course).
if ($course->id == SITEID) {
    require_login();
    $context = context_system::instance();
} else {
    require_login($course->id);
    $context = context_course::instance($course->id);
}

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

$reportclassname = 'report_'.$report->type;
$reportclass = new $reportclassname($report);

if (!$reportclass->check_permissions($USER->id, $context)) {
    print_error("No permissions");
} else {

    $components = cr_unserialize($report->components);
    $graphs = $components['plot']['elements'];

    if (!empty($graphs)) {
        $series = array();
        foreach ($graphs as $g) {
            require_once($CFG->dirroot.'/blocks/configurable_reports/components/plot/'.$g['pluginname'].'/plugin.class.php');
            if ($g['id'] == $id) {
                $classname = 'plugin_'.$g['pluginname'];
                $class = new $classname($report);
                $series = $class->get_series($g['formdata']);
                break;
            }
        }

        if ($g['id'] == $id) {

            $min = optional_param('min', 0, PARAM_INT);
            $max = optional_param('max', 0, PARAM_INT);
            $abcise  = optional_param('abcise', -1, PARAM_INT);

            $abciselabel = array();
            if ($abcise != -1) {
                $abciselabel = $series[$abcise]['serie'];
                unset($series[$abcise]);
            }

            // Standard inclusions.
            include($CFG->dirroot."/blocks/configurable_reports/lib/pChart/pData.class");
            include($CFG->dirroot."/blocks/configurable_reports/lib/pChart/pChart.class");

            // Dataset definition.
            $dataset = new pData;
            $lastid = 0;
            foreach ($series as $key => $val) {
                $dataset->AddPoint($val['serie'], "Serie$key");
                $dataset->AddAllSeries("Serie$key");
                $lastid = $key;
            }

            if (!empty($abciselabel)) {
                $nk = $lastid + 1;
                $dataset->AddPoint($abciselabel, "Serie$nk");
                $dataset->SetAbsciseLabelSerie("Serie$nk");
            } else {
                $dataset->SetAbsciseLabelSerie();
            }

            foreach ($series as $key => $val) {
                $value = $val['name'];
                $ishebrew = preg_match("/[\xE0-\xFA]/", iconv("UTF-8", "ISO-8859-8", $value));
                $fixedvalue = ($ishebrew == 1) ? $reportclass->utf8_strrev($value) : $value;
                $dataset->SetSerieName($fixedvalue, "Serie$key");
            }

            // Initialise the graph.
            $test = new pChart(700, 230);
            $test->setFixedScale($min, $max);

            $test->setFontProperties($CFG->dirroot."/blocks/configurable_reports/lib/Fonts/tahoma.ttf", 8);
            $test->setGraphArea(70, 30, 680, 200);
            $test->drawFilledRoundedRectangle(7, 7, 693, 223, 5, 240, 240, 240);
            $test->drawRoundedRectangle(5, 5, 695, 225, 5, 230, 230, 230);
            $test->drawGraphArea(255, 255, 255, true);
            $test->drawScale($dataset->GetData(), $dataset->GetDataDescription(), SCALE_NORMAL, 150, 150, 150, true, 0, 2);

            $test->drawGrid(4, true, 230, 230, 230, 50);

            // Draw the 0 line.
            $test->setFontProperties($CFG->dirroot."/blocks/configurable_reports/lib/Fonts/tahoma.ttf", 10);
            $test->drawTreshold(0, 143, 55, 72, true, true);

            // Draw the line graph.
            $test->drawLineGraph($dataset->GetData(), $dataset->GetDataDescription());
            $test->drawPlotGraph($dataset->GetData(), $dataset->GetDataDescription(), 3, 2, 255, 255, 255);

            // Finish the graph.
            $test->setFontProperties($CFG->dirroot."/blocks/configurable_reports/lib/Fonts/tahoma.ttf", 8);
            $test->drawLegend(75, 35, $dataset->GetDataDescription(), 255, 255, 255);
            ob_clean(); // Hack to clear output and send only IMAGE data to browser.
            $test->Stroke();
        }
    }
}