diff options
Diffstat (limited to 'renderer.php')
| -rw-r--r-- | renderer.php | 72 |
1 files changed, 34 insertions, 38 deletions
diff --git a/renderer.php b/renderer.php index 4ffe674..ada0fb5 100644 --- a/renderer.php +++ b/renderer.php @@ -36,7 +36,7 @@ defined('MOODLE_INTERNAL') || die(); class qtype_algebra_renderer extends qtype_renderer { public function formulation_and_controls(question_attempt $qa, question_display_options $options) { - global $CFG; + global $CFG; $question = $qa->get_question(); @@ -44,7 +44,7 @@ class qtype_algebra_renderer extends qtype_renderer { $inputname = $qa->get_qt_field_name('answer'); - $nameprefix = str_replace(':', '_', $inputname); // valid javascript name + $nameprefix = str_replace(':', '_', $inputname); // Valid javascript name. $inputattributes = array( 'type' => 'text', 'name' => $inputname, @@ -69,67 +69,63 @@ class qtype_algebra_renderer extends qtype_renderer { $feedbackimg = $this->feedback_image($fraction); } - $iframename = $nameprefix.'_if'; - // Name of the javascript function which causes the entered formula to be rendered - $df_name = $nameprefix.'_display'; - // Create an array of variable names to use when displaying the function entered + $iframename = $nameprefix.'_if'; + // Name of the javascript function which causes the entered formula to be rendered. + $df_name = $nameprefix.'_display'; + // Create an array of variable names to use when displaying the function entered. $varnames=array(); - if($question and isset($question->variables)) { - $variables = $question->variables; - foreach($question->variables as $var) { + if ($question and isset($question->variables)) { + $variables = $question->variables; + foreach ($question->variables as $var) { $varnames[]=$var->name; } } - $varnames=implode(',',$varnames); - // Javascript function which the button uses to display the rendering - // This function sents the source of the iframe to the 'displayformula.php' script giving - // it an argument of the formula entered by the student. - $displayfunction = - 'function '.$df_name."() {\n". + $varnames=implode(',', $varnames); + // Javascript function which the button uses to display the rendering + // This function sents the source of the iframe to the 'displayformula.php' script giving + // it an argument of the formula entered by the student. + $displayfunction = + 'function '.$df_name."() {\n". ' var text="vars='.$varnames.'&expr="+escape(document.getElementsByName("'.$inputname.'")[0].value);'."\n". - " if(text.length != 0) {\n". - ' document.getElementsByName("'.$iframename.'")[0].src="'. - $CFG->wwwroot.'/question/type/algebra/displayformula.php?"+'. - 'text.replace(/\+/g,"%2b")'."\n". - " }\n". - " }\n"; + " if(text.length != 0) {\n". + ' document.getElementsByName("'.$iframename.'")[0].src="'. + $CFG->wwwroot.'/question/type/algebra/displayformula.php?"+'. + 'text.replace(/\+/g,"%2b")'."\n". + " }\n". + " }\n"; $questiontext = $question->format_questiontext($qa); $input = html_writer::empty_tag('input', $inputattributes) . $feedbackimg; - $result = html_writer::tag('div', $questiontext, array('class' => 'qtext')); - $result .= html_writer::tag('script', $displayfunction, array('type'=>'text/javascript')); - $result .= html_writer::start_tag('div', array('class' => 'ablock')); - $result .= html_writer::start_tag('div', array('class' => 'prompt', 'style' => 'vertical-align: top')); - if(isset($question->answerprefix) and !empty($question->answerprefix)) { + $result .= html_writer::start_tag('div', array('class' => 'prompt', 'style' => 'vertical-align: top')); + if (isset($question->answerprefix) and !empty($question->answerprefix)) { $opts=new StdClass; $opts->para=false; - $result .= html_writer::tag('div', format_text($question->answerprefix,FORMAT_MOODLE,$opts).$input, array('class' => 'answer')); + $result .= html_writer::tag('div', format_text($question->answerprefix, FORMAT_MOODLE, $opts) . $input, + array('class' => 'answer')); } else { $result .= get_string('answer', 'qtype_algebra', - html_writer::tag('div', $input, array('class' => 'answer'))); + html_writer::tag('div', $input, array('class' => 'answer'))); } - $result .= html_writer::end_tag('div'); - $result .= html_writer::end_tag('div'); - - + $result .= html_writer::end_tag('div'); if ($qa->get_state() == question_state::$invalid) { $result .= html_writer::nonempty_tag('div', $question->get_validation_error(array('answer' => $currentanswer)), array('class' => 'validationerror')); } - $result .= html_writer::start_tag('div', array('class' => 'dispresponse')); - $result .= html_writer::empty_tag('input', array('type'=>'button', 'value'=>'Display Response', 'onclick'=>$df_name.'()')); - $result .= html_writer::start_tag('iframe', array('name'=>$iframename, 'width'=>'60%', 'height'=>60, 'align'=>'middle', 'src'=>'')); - $result .= html_writer::end_tag('iframe'); - $result .= html_writer::tag('script', $df_name.'();', array('type'=>'text/javascript')); - $result .= html_writer::end_tag('div'); + $result .= html_writer::start_tag('div', array('class' => 'dispresponse')); + $result .= html_writer::empty_tag('input', array('type'=>'button', 'value'=>'Display Response', 'onclick'=>$df_name.'()')); + $result .= html_writer::start_tag('iframe', + array('name'=>$iframename, 'width'=>'60%', 'height'=>60, 'align'=>'middle', 'src'=>'')); + $result .= html_writer::end_tag('iframe'); + $result .= html_writer::tag('script', $df_name.'();', array('type'=>'text/javascript')); + $result .= html_writer::end_tag('div'); return $result; } |