nicolasconnault
512 lines
19 KiB
PHP
512 lines
19 KiB
PHP
<?php // $Id$
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defined('FEEDBACK_INCLUDE_TEST') OR die('not allowed');
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require_once($CFG->dirroot.'/mod/feedback/item/feedback_item_class.php');
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define('FEEDBACK_MULTICHOICE_TYPE_SEP', '>>>>>');
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define('FEEDBACK_MULTICHOICE_LINE_SEP', '|');
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define('FEEDBACK_MULTICHOICE_ADJUST_SEP', '<<<<<');
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class feedback_item_multichoice extends feedback_item_base {
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var $type = "multichoice";
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function init() {
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}
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function show_edit($item) {
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global $CFG;
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require_once('multichoice_form.php');
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$item_form = new feedback_multichoice_form();
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$item->presentation = empty($item->presentation) ? '' : $item->presentation;
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$item->name = empty($item->name) ? '' : $item->name;
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$item->label = empty($item->label) ? '' : $item->label;
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$info = $this->get_info($item);
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$item->required = isset($item->required) ? $item->required : 0;
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if($item->required) {
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$item_form->requiredcheck->setValue(true);
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}
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$item_form->itemname->setValue($item->name);
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$item_form->itemlabel->setValue($item->label);
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$item_form->selectadjust->setValue($info->horizontal);
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$item_form->selecttype->setValue($info->subtype);
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$itemvalues = str_replace(FEEDBACK_MULTICHOICE_LINE_SEP, "\n", $info->presentation);
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$itemvalues = str_replace("\n\n", "\n", $itemvalues);
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$item_form->values->setValue($itemvalues);
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return $item_form;
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}
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//liefert ein eindimensionales Array mit drei Werten(typ, name, XXX)
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//XXX ist ein eindimensionales Array (anzahl der Antworten bei Typ Radio) Jedes Element ist eine Struktur (answertext, answercount)
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function get_analysed($item, $groupid = false, $courseid = false) {
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$info = $this->get_info($item);
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$analysedItem = array();
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$analysedItem[] = $item->typ;
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$analysedItem[] = $item->name;
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//die moeglichen Antworten extrahieren
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$answers = null;
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// $presentation = '';
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// @list($presentation) = explode(FEEDBACK_RADIO_ADJUST_SEP, $item->presentation); //remove the adjustment-info
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$answers = explode (FEEDBACK_MULTICHOICE_LINE_SEP, $info->presentation);
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if(!is_array($answers)) return null;
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//die Werte holen
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$values = feedback_get_group_values($item, $groupid, $courseid);
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if(!$values) return null;
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//schleife ueber den Werten und ueber die Antwortmoeglichkeiten
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$analysedAnswer = array();
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if($info->subtype == 'c') {
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for($i = 1; $i <= sizeof($answers); $i++) {
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$ans = null;
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$ans->answertext = $answers[$i-1];
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$ans->answercount = 0;
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foreach($values as $value) {
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//ist die Antwort gleich dem index der Antworten + 1?
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$vallist = explode(FEEDBACK_MULTICHOICE_LINE_SEP, $value->value);
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foreach($vallist as $val) {
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if ($val == $i) {
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$ans->answercount++;
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}
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}
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}
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$ans->quotient = $ans->answercount / sizeof($values);
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$analysedAnswer[] = $ans;
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}
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}else {
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for($i = 1; $i <= sizeof($answers); $i++) {
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$ans = null;
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$ans->answertext = $answers[$i-1];
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$ans->answercount = 0;
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foreach($values as $value) {
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//ist die Antwort gleich dem index der Antworten + 1?
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if ($value->value == $i) {
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$ans->answercount++;
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}
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}
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$ans->quotient = $ans->answercount / sizeof($values);
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$analysedAnswer[] = $ans;
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}
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}
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$analysedItem[] = $analysedAnswer;
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return $analysedItem;
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}
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function get_printval($item, $value) {
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$info = $this->get_info($item);
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$printval = '';
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if(!isset($value->value)) return $printval;
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// @list($presentation) = explode(FEEDBACK_RADIO_ADJUST_SEP, $item->presentation); //remove the adjustment-info
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$presentation = explode (FEEDBACK_MULTICHOICE_LINE_SEP, $info->presentation);
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if($info->subtype == 'c') {
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$vallist = array_values(explode (FEEDBACK_MULTICHOICE_LINE_SEP, $value->value));
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for($i = 0; $i < sizeof($vallist); $i++) {
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for($k = 0; $k < sizeof($presentation); $k++) {
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if($vallist[$i] == ($k + 1)) {//Die Werte beginnen bei 1, das Array aber mit 0
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$printval .= trim($presentation[$k]) . chr(10);
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break;
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}
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}
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}
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}else {
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$index = 1;
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foreach($presentation as $pres){
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if($value->value == $index){
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$printval = $pres;
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break;
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}
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$index++;
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}
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}
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return $printval;
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}
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function print_analysed($item, $itemnr = '', $groupid = false, $courseid = false) {
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$sep_dec = get_string('separator_decimal', 'feedback');
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if(substr($sep_dec, 0, 2) == '[['){
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$sep_dec = FEEDBACK_DECIMAL;
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}
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$sep_thous = get_string('separator_thousand', 'feedback');
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if(substr($sep_thous, 0, 2) == '[['){
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$sep_thous = FEEDBACK_THOUSAND;
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}
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$analysedItem = $this->get_analysed($item, $groupid, $courseid);
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if($analysedItem) {
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// $itemnr++;
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$itemname = $analysedItem[1];
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echo '<tr><th colspan="2" align="left">'. $itemnr . ' ('. $item->label .') ' . $itemname .'</th></tr>';
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$analysedVals = $analysedItem[2];
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$pixnr = 0;
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foreach($analysedVals as $val) {
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if( function_exists("bcmod")) {
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$intvalue = bcmod($pixnr, 10);
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}else {
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$intvalue = 0;
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}
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$pix = "pics/$intvalue.gif";
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$pixnr++;
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$pixwidth = intval($val->quotient * FEEDBACK_MAX_PIX_LENGTH);
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$quotient = number_format(($val->quotient * 100), 2, $sep_dec, $sep_thous);
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echo '<tr><td align="left" valign="top">- ' . trim($val->answertext) . ':</td><td align="left" style="width: '.FEEDBACK_MAX_PIX_LENGTH.'"><img alt="'.$intvalue.'" src="'.$pix.'" height="5" width="'.$pixwidth.'" /> ' . $val->answercount . (($val->quotient > 0)?' ('. $quotient . ' %)':'').'</td></tr>';
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}
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}
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// return $itemnr;
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}
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function excelprint_item(&$worksheet, $rowOffset, $item, $groupid, $courseid = false) {
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$analysed_item = $this->get_analysed($item, $groupid, $courseid);
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$data = $analysed_item[2];
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$worksheet->setFormat("<l><f><ro2><vo><c:green>");
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//frage schreiben
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$worksheet->write_string($rowOffset, 0, $item->label);
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$worksheet->write_string($rowOffset, 1, $analysed_item[1]);
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if(is_array($data)) {
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for($i = 0; $i < sizeof($data); $i++) {
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$aData = $data[$i];
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$worksheet->setFormat("<l><f><ro2><vo><c:blue>");
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$worksheet->write_string($rowOffset, $i + 2, trim($aData->answertext));
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$worksheet->setFormat("<l><vo>");
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$worksheet->write_number($rowOffset + 1, $i + 2, $aData->answercount);
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$worksheet->setFormat("<l><f><vo><pr>");
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$worksheet->write_number($rowOffset + 2, $i + 2, $aData->quotient);
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}
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}
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$rowOffset +=3 ;
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return $rowOffset;
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}
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function print_item($item, $value = false, $readonly = false, $edit = false, $highlightrequire = false){
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global $OUTPUT;
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$info = $this->get_info($item);
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$align = get_string('thisdirection') == 'ltr' ? 'left' : 'right';
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$presentation = explode (FEEDBACK_MULTICHOICE_LINE_SEP, $info->presentation);
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//test if required and no value is set so we have to mark this item
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//we have to differ check and the other subtypes
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if($info->subtype == 'c') {
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if (is_array($value)) {
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$values = $value;
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}else {
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$values = explode(FEEDBACK_MULTICHOICE_LINE_SEP, $value);
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}
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if($highlightrequire AND $item->required AND $values[0] == '') {
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$highlight = 'bgcolor="#FFAAAA" class="missingrequire"';
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}else {
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$highlight = '';
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}
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$requiredmark = ($item->required == 1)?'<span class="feedback_required_mark">*</span>':'';
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echo '<td '.$highlight.' valign="top" align="'.$align.'">';
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if($edit OR $readonly) {
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echo '('.$item->label.') ';
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}
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echo format_text($item->name.$requiredmark, true, false, false).'</td>';
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echo '<td valign="top" align="'.$align.'">';
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}else {
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if($highlightrequire AND $item->required AND intval($value) <= 0) {
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$highlight = 'bgcolor="#FFAAAA" class="missingrequire"';
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}else {
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$highlight = '';
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}
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$requiredmark = ($item->required == 1)?'<span class="feedback_required_mark">*</span>':'';
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?>
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<td <?php echo $highlight;?> valign="top" align="<?php echo $align;?>">
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<?php
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if($edit OR $readonly) {
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echo '('.$item->label.') ';
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}
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echo format_text($item->name . $requiredmark, true, false, false);
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?>
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</td>
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<td valign="top" align="<?php echo $align;?>">
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<?php
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}
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$index = 1;
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$checked = '';
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if($readonly){
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if($info->subtype == 'c') {
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echo $OUTPUT->box_start('generalbox boxalign'.$align);
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foreach($presentation as $pres){
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foreach($values as $val) {
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if($val == $index){
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echo text_to_html($pres . '<br />', true, false, false);
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break;
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}
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}
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$index++;
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}
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echo $OUTPUT->box_end();
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}else {
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foreach($presentation as $pres){
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if($value == $index){
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echo $OUTPUT->box_start('generalbox boxalign'.$align);
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echo text_to_html($pres, true, false, false);
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echo $OUTPUT->box_end();
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break;
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}
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$index++;
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}
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}
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} else {
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//print the "not_selected" item on radiobuttons
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if($info->subtype == 'r') {
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?>
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<table><tr>
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<td valign="top" align="<?php echo $align;?>"><input type="radio"
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name="<?php echo $item->typ . '_' . $item->id ;?>"
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id="<?php echo $item->typ . '_' . $item->id.'_xxx';?>"
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value="" <?php echo $value ? '' : 'checked="checked"';?> />
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</td>
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<td align="<?php echo $align;?>">
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<label for="<?php echo $item->typ . '_' . $item->id.'_xxx';?>"><?php print_string('not_selected', 'feedback');?> </label>
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</td>
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</tr></table>
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<?php
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}
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if($info->subtype != 'd') {
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if($info->horizontal) {
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echo '<table><tr>';
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}
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}
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switch($info->subtype) {
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case 'r':
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$this->print_item_radio($presentation, $item, $value, $info, $align);
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break;
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case 'c':
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$this->print_item_check($presentation, $item, $value, $info, $align);
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break;
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case 'd':
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$this->print_item_dropdown($presentation, $item, $value, $info, $align);
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break;
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}
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if($info->subtype != 'd') {
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if($info->horizontal) {
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echo '</tr></table>';
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}
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}
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/*
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if($item->required == 1) {
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echo '<input type="hidden" name="'.$item->typ . '_' . $item->id.'" value="1" />';
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}
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*/
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}
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?>
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</td>
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<?php
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}
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function check_value($value, $item) {
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$info = $this->get_info($item);
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if($info->subtype == 'c') {
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if((!isset($value) OR !is_array($value) OR $value[0] == '' OR $value[0] == 0) AND $item->required != 1){
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return true;
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}
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if($value[0] == ""){
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return false;
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}
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return true;
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}else {
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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 == '' OR $value == 0) AND $item->required != 1) return true;
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if(intval($value) > 0)return true;
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}
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return false;
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}
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function create_value($data) {
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$vallist = $data;
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return trim($this->item_arrayToString($vallist));
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}
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function get_presentation($data) {
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$present = str_replace("\n", FEEDBACK_MULTICHOICE_LINE_SEP, trim($data->itemvalues));
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if(!isset($data->subtype)) {
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$subtype = 'r';
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}else {
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$subtype = substr($data->subtype, 0, 1);
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}
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if(isset($data->horizontal) AND $data->horizontal == 1 AND $subtype != 'd') {
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$present .= FEEDBACK_MULTICHOICE_ADJUST_SEP.'1';
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}
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return $subtype.FEEDBACK_MULTICHOICE_TYPE_SEP.$present;
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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 get_info($item) {
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$presentation = empty($item->presentation) ? '' : $item->presentation;
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$info = new object();
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//check the subtype of the multichoice
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//it can be check(c), radio(r) or dropdown(d)
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$info->subtype = '';
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$info->presentation = '';
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$info->horizontal = false;
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@list($info->subtype, $info->presentation) = explode(FEEDBACK_MULTICHOICE_TYPE_SEP, $item->presentation);
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if(!isset($info->subtype)) {
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$info->subtype = 'r';
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}
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if($info->subtype != 'd') {
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@list($info->presentation, $info->horizontal) = explode(FEEDBACK_MULTICHOICE_ADJUST_SEP, $info->presentation);
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if(isset($info->horizontal) AND $info->horizontal == 1) {
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$info->horizontal = true;
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}else {
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$info->horizontal = false;
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}
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}
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return $info;
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}
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function item_arrayToString($value) {
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if(!is_array($value)) {
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return $value;
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}
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$retval = '';
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$arrvals = array_values($value);
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$arrvals = clean_param($arrvals, PARAM_INT); //prevent sql-injection
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$retval = $arrvals[0];
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for($i = 1; $i < sizeof($arrvals); $i++) {
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$retval .= FEEDBACK_MULTICHOICE_LINE_SEP.$arrvals[$i];
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}
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return $retval;
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}
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function print_item_radio($presentation, $item, $value, $info, $align) {
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$index = 1;
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$checked = '';
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foreach($presentation as $radio){
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if($value == $index){
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$checked = 'checked="checked"';
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}else{
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$checked = '';
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}
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$inputname = $item->typ . '_' . $item->id;
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$inputid = $inputname.'_'.$index;
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if($info->horizontal) {
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?>
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<td valign="top" align="<?php echo $align;?>"><input type="radio"
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name="<?php echo $inputname;?>"
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id="<?php echo $inputid;?>"
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value="<?php echo $index;?>" <?php echo $checked;?> />
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</td>
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<td align="<?php echo $align;?>">
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<label for="<?php echo $inputid;?>"><?php echo text_to_html($radio, true, false, false);?> </label>
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</td>
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<?php
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}else {
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?>
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<table><tr>
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<td valign="top" align="<?php echo $align;?>"><input type="radio"
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name="<?php echo $inputname;?>"
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id="<?php echo $inputid;?>"
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value="<?php echo $index;?>" <?php echo $checked;?> />
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</td><td align="<?php echo $align;?>"><label for="<?php echo $inputid;?>"><?php echo text_to_html($radio, true, false, false);?> </label>
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</td></tr></table>
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<?php
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}
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$index++;
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}
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}
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function print_item_check($presentation, $item, $value, $info, $align) {
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if (is_array($value)) {
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$values = $value;
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}else {
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$values = explode(FEEDBACK_MULTICHOICE_LINE_SEP, $value);
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}
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$index = 1;
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$checked = '';
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foreach($presentation as $check){
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foreach($values as $val) {
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if($val == $index){
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$checked = 'checked="checked"';
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break;
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}else{
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$checked = '';
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}
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}
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$inputname = $item->typ. '_' . $item->id;
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$inputid = $item->typ. '_' . $item->id.'_'.$index;
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if($info->horizontal) {
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?>
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<td valign="top" align="<?php echo $align;?>"><input type="checkbox"
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name="<?php echo $inputname;?>[]"
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id="<?php echo $inputid;?>"
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value="<?php echo $index;?>" <?php echo $checked;?> />
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</td><td align="<?php echo $align;?>"><label for="<?php echo $inputid;?>"><?php echo text_to_html($check, true, false, false);?> </label>
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</td>
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<?php
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}else {
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?>
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<table><tr>
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<td valign="top" align="<?php echo $align;?>"><input type="checkbox"
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name="<?php echo $inputname;?>[]"
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id="<?php echo $inputid;?>"
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value="<?php echo $index;?>" <?php echo $checked;?> />
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</td><td align="<?php echo $align;?>"><label for="<?php echo $inputid;?>"><?php echo text_to_html($check, true, false, false);?> </label>
|
|
</td></tr></table>
|
|
<?php
|
|
}
|
|
$index++;
|
|
}
|
|
}
|
|
|
|
function print_item_dropdown($presentation, $item, $value, $info, $align) {
|
|
?>
|
|
<select name="<?php echo $item->typ .'_' . $item->id;?>" size="1">
|
|
<option value="0"> </option>
|
|
<?php
|
|
$index = 1;
|
|
$checked = '';
|
|
foreach($presentation as $dropdown){
|
|
if($value == $index){
|
|
$selected = 'selected="selected"';
|
|
}else{
|
|
$selected = '';
|
|
}
|
|
?>
|
|
<option value="<?php echo $index;?>" <?php echo $selected;?>><?php echo text_to_html($dropdown, true, false, false);?></option>
|
|
<?php
|
|
$index++;
|
|
}
|
|
?>
|
|
</select>
|
|
<?php
|
|
}
|
|
|
|
}
|
|
|
|
?>
|