Andreas Grabs
424 lines
16 KiB
PHP
424 lines
16 KiB
PHP
<?php
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defined('MOODLE_INTERNAL') OR die('not allowed');
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require_once($CFG->dirroot.'/mod/feedback/item/feedback_item_class.php');
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class feedback_item_numeric extends feedback_item_base {
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var $type = "numeric";
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var $sep_dec, $sep_thous;
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var $commonparams;
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var $item_form;
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var $item;
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function init() {
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$this->sep_dec = get_string('separator_decimal', 'feedback');
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if(substr($this->sep_dec, 0, 2) == '[['){
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$this->sep_dec = FEEDBACK_DECIMAL;
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}
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$this->sep_thous = get_string('separator_thousand', 'feedback');
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if(substr($this->sep_thous, 0, 2) == '[['){
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$this->sep_thous = FEEDBACK_THOUSAND;
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}
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}
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function build_editform($item, $feedback, $cm) {
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global $DB, $CFG;
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require_once('numeric_form.php');
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//get the lastposition number of the feedback_items
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$position = $item->position;
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$lastposition = $DB->count_records('feedback_item', array('feedback'=>$feedback->id));
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if($position == -1){
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$i_formselect_last = $lastposition + 1;
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$i_formselect_value = $lastposition + 1;
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$item->position = $lastposition + 1;
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}else {
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$i_formselect_last = $lastposition;
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$i_formselect_value = $item->position;
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}
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//the elements for position dropdownlist
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$positionlist = array_slice(range(0,$i_formselect_last),1,$i_formselect_last,true);
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$item->presentation = empty($item->presentation) ? '' : $item->presentation;
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$range_from_to = explode('|',$item->presentation);
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$range_from = (isset($range_from_to[0]) AND is_numeric($range_from_to[0])) ? str_replace(FEEDBACK_DECIMAL, $this->sep_dec, floatval($range_from_to[0])) : '-';
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$range_to = (isset($range_from_to[1]) AND is_numeric($range_from_to[1])) ? str_replace(FEEDBACK_DECIMAL, $this->sep_dec, floatval($range_from_to[1])) : '-';
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$item->rangefrom = $range_from;
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$item->rangeto = $range_to;
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//all items for dependitem
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$feedbackitems = feedback_get_depend_candidates_for_item($feedback, $item);
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$commonparams = array('cmid'=>$cm->id,
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'id'=>isset($item->id) ? $item->id : NULL,
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'typ'=>$item->typ,
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'items'=>$feedbackitems,
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'feedback'=>$feedback->id);
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//build the form
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$this->item_form = new feedback_numeric_form('edit_item.php', array('item'=>$item, 'common'=>$commonparams, 'positionlist'=>$positionlist, 'position'=>$position));
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}
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//this function only can used after the call of build_editform()
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function show_editform() {
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$this->item_form->display();
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}
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function is_cancelled() {
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return $this->item_form->is_cancelled();
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}
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function get_data() {
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if($this->item = $this->item_form->get_data()) {
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return true;
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}
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return false;
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}
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function save_item() {
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global $DB;
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if(!$item = $this->item_form->get_data()) {
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return false;
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}
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if(isset($item->clone_item) AND $item->clone_item) {
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$item->id = ''; //to clone this item
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$item->position++;
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}
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$item->hasvalue = $this->get_hasvalue();
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if(!$item->id) {
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$item->id = $DB->insert_record('feedback_item', $item);
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}else {
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$DB->update_record('feedback_item', $item);
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}
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return $DB->get_record('feedback_item', array('id'=>$item->id));
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}
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//liefert eine Struktur ->name, ->data = array(mit Antworten)
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function get_analysed($item, $groupid = false, $courseid = false) {
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global $DB;
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$analysed = null;
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$analysed->data = array();
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$analysed->name = $item->name;
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//$values = $DB->get_records('feedback_value', array('item'=>$item->id));
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$values = feedback_get_group_values($item, $groupid, $courseid);
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$avg = 0.0;
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$counter = 0;
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if($values) {
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$data = array();
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foreach($values as $value) {
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if(is_numeric($value->value)) {
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$data[] = $value->value;
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$avg += $value->value;
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$counter++;
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}
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}
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$avg = $counter > 0 ? $avg / $counter : 0;
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$analysed->data = $data;
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$analysed->avg = $avg;
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}
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return $analysed;
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}
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function get_printval($item, $value) {
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if(!isset($value->value)) return '';
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return $value->value;
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}
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function print_analysed($item, $itemnr = '', $groupid = false, $courseid = false) {
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// $values = feedback_get_group_values($item, $groupid, $courseid);
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$values = $this->get_analysed($item, $groupid, $courseid);
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if(isset($values->data) AND is_array($values->data)) {
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//echo '<table>';2
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// $itemnr++;
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echo '<tr><th colspan="2" align="left">'. $itemnr . ' ('. $item->label .') ' . $item->name .'</th></tr>';
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foreach($values->data as $value) {
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echo '<tr><td colspan="2" valign="top" align="left">- ' . number_format($value, 2, $this->sep_dec, $this->sep_thous) . '</td></tr>';
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}
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//echo '</table>';
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if(isset($values->avg)) {
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$avg = number_format($values->avg, 2, $this->sep_dec, $this->sep_thous);
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} else {
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$avg = number_format(0, 2, $this->sep_dec, $this->sep_thous);
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}
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echo '<tr><td align="left" colspan="2"><b>'.get_string('average', 'feedback').': '.$avg.'</b></td></tr>';
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}
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// return $itemnr;
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}
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function excelprint_item(&$worksheet, $rowOffset, $xlsFormats, $item, $groupid, $courseid = false) {
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$analysed_item = $this->get_analysed($item, $groupid, $courseid);
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// $worksheet->setFormat("<l><f><ro2><vo><c:green>");
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$worksheet->write_string($rowOffset, 0, $item->label, $xlsFormats->head2);
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$worksheet->write_string($rowOffset, 1, $item->name, $xlsFormats->head2);
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$data = $analysed_item->data;
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if(is_array($data)) {
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// $worksheet->setFormat("<l><ro2><vo>");
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// $worksheet->write_number($rowOffset, 1, $data[0]);
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// $rowOffset++;
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// for($i = 1; $i < sizeof($data); $i++) {
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// $worksheet->setFormat("<l><vo>");
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// $worksheet->write_number($rowOffset, 1, $data[$i]);
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// $rowOffset++;
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// }
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//mittelwert anzeigen
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// $worksheet->setFormat("<l><f><ro2><vo><c:red>");
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$worksheet->write_string($rowOffset, 2, get_string('average', 'feedback'), $xlsFormats->value_bold);
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// $worksheet->setFormat("<l><f><vo>");
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$worksheet->write_number($rowOffset + 1, 2, $analysed_item->avg, $xlsFormats->value_bold);
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$rowOffset++;
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}
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$rowOffset++;
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return $rowOffset;
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}
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/**
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* print the item at the edit-page of feedback
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*
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* @global object
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* @param object $item
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* @return void
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*/
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function print_item_preview($item) {
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global $OUTPUT, $DB;
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$align = right_to_left() ? 'right' : 'left';
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//get the range
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$range_from_to = explode('|',$item->presentation);
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//get the min-value
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$range_from = (isset($range_from_to[0]) AND is_numeric($range_from_to[0])) ? floatval($range_from_to[0]) : 0;
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//get the max-value
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$range_to = (isset($range_from_to[1]) AND is_numeric($range_from_to[1])) ? floatval($range_from_to[1]) : 0;
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$requiredmark = ($item->required == 1)?'<span class="feedback_required_mark">*</span>':'';
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//print the question and label
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echo '<div class="feedback_item_label_'.$align.'">';
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echo '('.$item->label.') ';
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echo format_text($item->name . $requiredmark, true, false, false);
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if($item->dependitem) {
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if($dependitem = $DB->get_record('feedback_item', array('id'=>$item->dependitem))) {
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echo ' <span class="feedback_depend">('.$dependitem->label.'->'.$item->dependvalue.')</span>';
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}
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}
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echo '<span class="feedback_item_numinfo">';
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switch(true) {
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case ($range_from === '-' AND is_numeric($range_to)):
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echo ' ('.get_string('maximal', 'feedback').': '.str_replace(FEEDBACK_DECIMAL, $this->sep_dec, $range_to).')';
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break;
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case (is_numeric($range_from) AND $range_to === '-'):
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echo ' ('.get_string('minimal', 'feedback').': '.str_replace(FEEDBACK_DECIMAL, $this->sep_dec, $range_from).')';
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break;
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case ($range_from === '-' AND $range_to === '-'):
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break;
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default:
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echo ' ('.str_replace(FEEDBACK_DECIMAL, $this->sep_dec, $range_from).' - '.str_replace(FEEDBACK_DECIMAL, $this->sep_dec, $range_to).')';
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break;
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}
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echo '</span>';
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echo '</div>';
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//print the presentation
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echo '<div class="feedback_item_presentation_'.$align.'">';
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echo '<span class="feedback_item_textfield">';
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echo '<input type="text" name="'.$item->typ.'_'.$item->id.'" size="10" maxlength="10" value="" />';
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echo '</span>';
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echo '</div>';
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}
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/**
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* print the item at the complete-page of feedback
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*
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* @global object
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* @param object $item
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* @param string $value
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* @param bool $highlightrequire
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* @return void
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*/
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function print_item_complete($item, $value = '', $highlightrequire = false) {
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global $OUTPUT;
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$align = right_to_left() ? 'right' : 'left';
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//get the range
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$range_from_to = explode('|',$item->presentation);
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//get the min-value
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$range_from = (isset($range_from_to[0]) AND is_numeric($range_from_to[0])) ? floatval($range_from_to[0]) : 0;
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//get the max-value
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$range_to = (isset($range_from_to[1]) AND is_numeric($range_from_to[1])) ? floatval($range_from_to[1]) : 0;
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if($highlightrequire AND (!$this->check_value($value, $item))) {
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$highlight = ' missingrequire';
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}else {
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$highlight = '';
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}
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$requiredmark = ($item->required == 1)?'<span class="feedback_required_mark">*</span>':'';
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//print the question and label
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echo '<div class="feedback_item_label_'.$align.$highlight.'">';
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echo format_text($item->name . $requiredmark, true, false, false);
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echo '<span class="feedback_item_numinfo">';
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switch(true) {
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case ($range_from === '-' AND is_numeric($range_to)):
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echo ' ('.get_string('maximal', 'feedback').': '.str_replace(FEEDBACK_DECIMAL, $this->sep_dec, $range_to).')';
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break;
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case (is_numeric($range_from) AND $range_to === '-'):
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echo ' ('.get_string('minimal', 'feedback').': '.str_replace(FEEDBACK_DECIMAL, $this->sep_dec, $range_from).')';
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break;
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case ($range_from === '-' AND $range_to === '-'):
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break;
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default:
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echo ' ('.str_replace(FEEDBACK_DECIMAL, $this->sep_dec, $range_from).' - '.str_replace(FEEDBACK_DECIMAL, $this->sep_dec, $range_to).')';
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break;
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}
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echo '</span>';
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echo '</div>';
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//print the presentation
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echo '<div class="feedback_item_presentation_'.$align.$highlight.'">';
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echo '<span class="feedback_item_textfield">';
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echo '<input type="text" name="'.$item->typ.'_'.$item->id.'" size="10" maxlength="10" value="'.($value ? $value : '').'" />';
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echo '</span>';
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echo '</div>';
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}
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/**
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* print the item at the complete-page of feedback
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*
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* @global object
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* @param object $item
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* @param string $value
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* @return void
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*/
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function print_item_show_value($item, $value = '') {
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global $OUTPUT;
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$align = right_to_left() ? 'right' : 'left';
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//get the range
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$range_from_to = explode('|',$item->presentation);
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//get the min-value
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$range_from = (isset($range_from_to[0]) AND is_numeric($range_from_to[0])) ? floatval($range_from_to[0]) : 0;
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//get the max-value
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$range_to = (isset($range_from_to[1]) AND is_numeric($range_from_to[1])) ? floatval($range_from_to[1]) : 0;
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$requiredmark = ($item->required == 1)?'<span class="feedback_required_mark">*</span>':'';
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//print the question and label
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echo '<div class="feedback_item_label_'.$align.'">';
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echo '('.$item->label.') ';
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echo format_text($item->name . $requiredmark, true, false, false);
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switch(true) {
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case ($range_from === '-' AND is_numeric($range_to)):
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echo ' ('.get_string('maximal', 'feedback').': '.str_replace(FEEDBACK_DECIMAL, $this->sep_dec, $range_to).')';
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break;
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case (is_numeric($range_from) AND $range_to === '-'):
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echo ' ('.get_string('minimal', 'feedback').': '.str_replace(FEEDBACK_DECIMAL, $this->sep_dec, $range_from).')';
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break;
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case ($range_from === '-' AND $range_to === '-'):
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break;
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default:
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echo ' ('.str_replace(FEEDBACK_DECIMAL, $this->sep_dec, $range_from).' - '.str_replace(FEEDBACK_DECIMAL, $this->sep_dec, $range_to).')';
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break;
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}
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echo '</div>';
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//print the presentation
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echo '<div class="feedback_item_presentation_'.$align.'">';
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echo $OUTPUT->box_start('generalbox boxalign'.$align);
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echo (is_numeric($value)) ? number_format($value, 2, $this->sep_dec, $this->sep_thous) : ' ';
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echo $OUTPUT->box_end();
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echo '</div>';
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}
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function check_value($value, $item) {
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$value = str_replace($this->sep_dec, FEEDBACK_DECIMAL, $value);
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//if the item is not required, so the check is true if no value is given
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if((!isset($value) OR $value == '') AND $item->required != 1) return true;
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if(!is_numeric($value))return false;
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$range_from_to = explode('|',$item->presentation);
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$range_from = (isset($range_from_to[0]) AND is_numeric($range_from_to[0])) ? floatval($range_from_to[0]) : '-';
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$range_to = (isset($range_from_to[1]) AND is_numeric($range_from_to[1])) ? floatval($range_from_to[1]) : '-';
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switch(true) {
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case ($range_from === '-' AND is_numeric($range_to)):
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if(floatval($value) <= $range_to) return true;
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break;
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case (is_numeric($range_from) AND $range_to === '-'):
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if(floatval($value) >= $range_from) return true;
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break;
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case ($range_from === '-' AND $range_to === '-'):
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return true;
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break;
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default:
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if(floatval($value) >= $range_from AND floatval($value) <= $range_to) return true;
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break;
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}
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return false;
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}
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function create_value($data) {
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$data = str_replace($this->sep_dec, FEEDBACK_DECIMAL, $data);
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if(is_numeric($data)) {
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$data = floatval($data);
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}else {
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$data = '';
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}
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return $data;
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}
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//compares the dbvalue with the dependvalue
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//dbvalue is the number put in by the user
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//dependvalue is the value that is compared
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function compare_value($item, $dbvalue, $dependvalue) {
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if($dbvalue == $dependvalue) {
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return true;
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}
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return false;
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}
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function get_presentation($data) {
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$num1 = str_replace($this->sep_dec, FEEDBACK_DECIMAL, $data->numericrangefrom);
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if(is_numeric($num1)) {
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$num1 = floatval($num1);
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}else {
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$num1 = '-';
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}
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$num2 = str_replace($this->sep_dec, FEEDBACK_DECIMAL, $data->numericrangeto);
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if(is_numeric($num2)) {
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$num2 = floatval($num2);
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}else {
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$num2 = '-';
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}
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if($num1 === '-' OR $num2 === '-') {
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return $num1 . '|'. $num2;
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}
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if($num1 > $num2) {
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return $num2 . '|'. $num1;
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}else {
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return $num1 . '|'. $num2;
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}
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}
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function get_hasvalue() {
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return 1;
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}
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function can_switch_require() {
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return true;
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}
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}
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