Annotation of /contrib/plugins/grade/report/visual/visualizations/visual_grade_distribution.php
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Revision 1.2 - (view) (download)
| 1 : | dservos | 1.1 | <?php |
| 2 : | require_once $CFG->dirroot . '/grade/report/visual/visualizations/visualization.php'; | ||
| 3 : | |||
| 4 : | class grade_distribution extends visualization { | ||
| 5 : | const RANGE = 10; | ||
| 6 : | |||
| 7 : | dservos | 1.2 | public $percent = true; |
| 8 : | |||
| 9 : | dservos | 1.1 | public $colorencodernode; |
| 10 : | |||
| 11 : | public $colorencoderedge; | ||
| 12 : | |||
| 13 : | public $shapeencodernode; | ||
| 14 : | |||
| 15 : | public $shapeencoderedge; | ||
| 16 : | |||
| 17 : | public $grouplegend; | ||
| 18 : | |||
| 19 : | public $itemlegend; | ||
| 20 : | |||
| 21 : | public function __construct() { | ||
| 22 : | parent::__construct(get_string('gradedistribution', 'gradereport_visual')); | ||
| 23 : | |||
| 24 : | $this->layout = visualization::LAYOUT_AXIS; | ||
| 25 : | $this->layoutsettings = null;//array('false', 'true'); | ||
| 26 : | //$this->nodeshape = visualization::SHAPE_VERTICAL_BAR; | ||
| 27 : | //$this->edgeshape = visualization::SHAPE_BEZIER; | ||
| 28 : | |||
| 29 : | $this->edges = array(new edge('grade', array('item', 'group'))); | ||
| 30 : | |||
| 31 : | $this->xaxis = 'grade'; | ||
| 32 : | $this->yaxis = 'students'; | ||
| 33 : | $this->xaxislabelformat = '0\\%'; | ||
| 34 : | dservos | 1.2 | |
| 35 : | if($this->percent) { | ||
| 36 : | $this->yaxislabelformat = '0\\%'; | ||
| 37 : | $this->yaxislabel = get_string('percentstudents', 'gradereport_visual'); | ||
| 38 : | } else { | ||
| 39 : | $this->yaxislabel = get_string('numberstudents', 'gradereport_visual'); | ||
| 40 : | } | ||
| 41 : | |||
| 42 : | dservos | 1.1 | //$this->xaxismax = 100 + grade_distribution::RANGE; |
| 43 : | //$this->xaxismin = grade_distribution::RANGE; | ||
| 44 : | $this->xaxisxoffset = -27; | ||
| 45 : | |||
| 46 : | $this->xaxislabel = get_string('grade', 'gradereport_visual'); | ||
| 47 : | $this->title = get_string('gradedistribution:title', 'gradereport_visual'); | ||
| 48 : | |||
| 49 : | $this->capabilities = null; | ||
| 50 : | |||
| 51 : | $this->colorencoderedge = new encoder(encoder::ENCODER_COLOR, 'item', array(2)); | ||
| 52 : | $this->colorencodernode = new encoder(encoder::ENCODER_COLOR, 'item', array(1)); | ||
| 53 : | //$this->shapeencoderedge = new encoder(encoder::ENCODER_SHAPE, 'group', array(2)); | ||
| 54 : | $this->shapeencodernode = new encoder(encoder::ENCODER_SHAPE, 'group', array(1)); | ||
| 55 : | $this->encoders = array($this->colorencodernode, $this->colorencoderedge, $this->shapeencodernode); | ||
| 56 : | |||
| 57 : | dservos | 1.2 | $this->grouplegend = new legend($this->shapeencodernode, array(get_string('allgroups', 'gradereport_visual'))); |
| 58 : | $this->itemlegend = new legend($this->colorencodernode, array(get_string('coursetotal', 'grades'))); | ||
| 59 : | dservos | 1.1 | $this->legends = array($this->itemlegend, $this->grouplegend); |
| 60 : | } | ||
| 61 : | |||
| 62 : | public function report_data($visualreport) { | ||
| 63 : | $data = array(); | ||
| 64 : | $data['header'] = array(); | ||
| 65 : | $data['header']['students'] = 'students'; | ||
| 66 : | // $data['header']['gradelevel'] = 'gradelevel'; | ||
| 67 : | $data['header']['grade'] = 'grade'; | ||
| 68 : | $data['header']['item'] = 'item'; | ||
| 69 : | $data['header']['group'] = 'group'; | ||
| 70 : | //$data['header']['range'] = 'range'; | ||
| 71 : | |||
| 72 : | $rawdata = array(); | ||
| 73 : | $counters = array(); | ||
| 74 : | $rangesize = round(100 / grade_distribution::RANGE); | ||
| 75 : | |||
| 76 : | foreach($visualreport->grades as $itemkey=>$itemgrades) { | ||
| 77 : | foreach($itemgrades as $studentkey=>$studentdata) { | ||
| 78 : | if($studentdata != null && $studentdata->finalgrade != null) { | ||
| 79 : | foreach(groups_get_user_groups($visualreport->courseid, $studentkey) as $grouping) { | ||
| 80 : | $gradelevel = floor(round($studentdata->standardise_score($studentdata->finalgrade, $visualreport->gtree->items[$itemkey]->grademin, $visualreport->gtree->items[$itemkey]->grademax, 0, 100)) / grade_distribution::RANGE); | ||
| 81 : | dservos | 1.2 | //if($gradelevel == $rangesize) { |
| 82 : | // $gradelevel = $rangesize - 1; | ||
| 83 : | //} | ||
| 84 : | dservos | 1.1 | |
| 85 : | if(count($grouping) > 0) { | ||
| 86 : | foreach($grouping as $group) { | ||
| 87 : | if(isset($rawdata[$gradelevel][$itemkey][$group])) { | ||
| 88 : | $rawdata[$gradelevel][$itemkey][$group] += 1; | ||
| 89 : | } else { | ||
| 90 : | $rawdata[$gradelevel][$itemkey][$group] = 1; | ||
| 91 : | } | ||
| 92 : | |||
| 93 : | if(isset($counters[$itemkey][$group])) { | ||
| 94 : | $counters[$itemkey][$group] += 1; | ||
| 95 : | } else { | ||
| 96 : | $counters[$itemkey][$group] = 1; | ||
| 97 : | } | ||
| 98 : | } | ||
| 99 : | } else { | ||
| 100 : | if(isset($rawdata[$gradelevel][$itemkey]['ng'])) { | ||
| 101 : | $rawdata[$gradelevel][$itemkey]['ng'] += 1; | ||
| 102 : | } else { | ||
| 103 : | $rawdata[$gradelevel][$itemkey]['ng'] = 1; | ||
| 104 : | } | ||
| 105 : | |||
| 106 : | if(isset($counters[$itemkey]['ng'])) { | ||
| 107 : | $counters[$itemkey]['ng'] += 1; | ||
| 108 : | } else { | ||
| 109 : | $counters[$itemkey]['ng'] = 1; | ||
| 110 : | } | ||
| 111 : | } | ||
| 112 : | |||
| 113 : | if(isset($rawdata[$gradelevel][$itemkey]['ag'])) { | ||
| 114 : | $rawdata[$gradelevel][$itemkey]['ag'] += 1; | ||
| 115 : | } else { | ||
| 116 : | $rawdata[$gradelevel][$itemkey]['ag'] = 1; | ||
| 117 : | } | ||
| 118 : | |||
| 119 : | if(isset($counters[$itemkey]['ag'])) { | ||
| 120 : | $counters[$itemkey]['ag'] += 1; | ||
| 121 : | } else { | ||
| 122 : | $counters[$itemkey]['ag'] = 1; | ||
| 123 : | } | ||
| 124 : | } | ||
| 125 : | } | ||
| 126 : | } | ||
| 127 : | |||
| 128 : | dservos | 1.2 | for($i = 0; $i <= $rangesize; $i++) { |
| 129 : | dservos | 1.1 | foreach(groups_get_all_groups($visualreport->courseid) as $group) { |
| 130 : | if(!isset($rawdata[$i][$itemkey][$group->id])) { | ||
| 131 : | $rawdata[$i][$itemkey][$group->id] = 0; | ||
| 132 : | } | ||
| 133 : | } | ||
| 134 : | |||
| 135 : | if(!isset($rawdata[$i][$itemkey]['ng'])) { | ||
| 136 : | $rawdata[$i][$itemkey]['ng'] = 0; | ||
| 137 : | } | ||
| 138 : | |||
| 139 : | if(!isset($rawdata[$i][$itemkey]['ag'])) { | ||
| 140 : | $rawdata[$i][$itemkey]['ag'] = 0; | ||
| 141 : | } | ||
| 142 : | } | ||
| 143 : | } | ||
| 144 : | |||
| 145 : | |||
| 146 : | $i = 0; | ||
| 147 : | |||
| 148 : | foreach($rawdata as $gradelevel=>$items) { | ||
| 149 : | foreach($items as $itemkey=>$groups) { | ||
| 150 : | foreach($groups as $groupkey=>$students) { | ||
| 151 : | $index = $gradelevel * 10000 + $i; | ||
| 152 : | dservos | 1.2 | |
| 153 : | dservos | 1.1 | //$data[$index]['gradelevel'] = $gradelevel; |
| 154 : | dservos | 1.2 | |
| 155 : | if($this->percent) { | ||
| 156 : | $data[$index]['students'] = ($students / $counters[$itemkey][$groupkey]) * 100; | ||
| 157 : | } else { | ||
| 158 : | $data[$index]['students'] = $students; | ||
| 159 : | } | ||
| 160 : | |||
| 161 : | dservos | 1.1 | $data[$index]['grade'] = $gradelevel * grade_distribution::RANGE; //($gradelevel * grade_distribution::RANGE) . '% - ' . (($gradelevel + 1) * grade_distribution::RANGE - 1) . '%'; |
| 162 : | dservos | 1.2 | |
| 163 : | dservos | 1.1 | $data[$index]['item'] = $visualreport->gtree->items[$itemkey]->get_name(); |
| 164 : | if($groupkey == 'ng') { | ||
| 165 : | $data[$index]['group'] = get_string('nogroup', 'gradereport_visual'); | ||
| 166 : | } else if($groupkey == 'ag'){ | ||
| 167 : | $data[$index]['group'] = get_string('allgroups', 'gradereport_visual'); | ||
| 168 : | } else { | ||
| 169 : | $data[$index]['group'] = groups_get_group_name($groupkey); | ||
| 170 : | } | ||
| 171 : | //$data[$index]['range'] = grade_distribution::RANGE; | ||
| 172 : | |||
| 173 : | $i++; | ||
| 174 : | } | ||
| 175 : | } | ||
| 176 : | } | ||
| 177 : | |||
| 178 : | // ksort($data); | ||
| 179 : | |||
| 180 : | return $data; | ||
| 181 : | } | ||
| 182 : | } | ||
| 183 : | ?> |
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