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python
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Andreas Wilms
2025-09-08 16:25:55 +02:00
commit 78481ca337
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PCSurvey/PCstatic/js/plugins/jspsych-survey-multi-select.js Normal file
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/**
* jspsych-survey-multi-select
* a jspsych plugin for multiple choice survey questions
*
* documentation: docs.jspsych.org
*
*/
jsPsych.plugins['survey-multi-select'] = (function() {
var plugin = {};
plugin.info = {
name: 'survey-multi-select',
description: '',
parameters: {
questions: {
type: jsPsych.plugins.parameterType.COMPLEX,
array: true,
pretty_name: 'Questions',
nested: {
prompt: {
type: jsPsych.plugins.parameterType.STRING,
pretty_name: 'Prompt',
default: undefined,
description: 'The strings that will be associated with a group of options.'
},
options: {
type: jsPsych.plugins.parameterType.STRING,
pretty_name: 'Options',
array: true,
default: undefined,
description: 'Displays options for an individual question.'
},
horizontal: {
type: jsPsych.plugins.parameterType.BOOL,
pretty_name: 'Horizontal',
default: false,
description: 'If true, then questions are centered and options are displayed horizontally.'
},
required: {
type: jsPsych.plugins.parameterType.BOOL,
pretty_name: 'Required',
default: false,
description: 'Subject will be required to pick at least one option for this question.'
},
name: {
type: jsPsych.plugins.parameterType.STRING,
pretty_name: 'Question Name',
default: '',
description: 'Controls the name of data values associated with this question'
}
}
},
randomize_question_order: {
type: jsPsych.plugins.parameterType.BOOL,
pretty_name: 'Randomize Question Order',
default: false,
description: 'If true, the order of the questions will be randomized'
},
preamble: {
type: jsPsych.plugins.parameterType.STRING,
pretty_name: 'Preamble',
default: null,
description: 'HTML formatted string to display at the top of the page above all the questions.'
},
button_label: {
type: jsPsych.plugins.parameterType.STRING,
pretty_name: 'Button label',
default: 'Continue',
description: 'Label of the button.'
},
required_message: {
type: jsPsych.plugins.parameterType.STRING,
pretty_name: 'Required message',
default: 'You must choose at least one response for this question',
description: 'Message that will be displayed if required question is not answered.'
}
}
}
plugin.trial = function(display_element, trial) {
var plugin_id_name = "jspsych-survey-multi-select";
var plugin_id_selector = '#' + plugin_id_name;
var _join = function( /*args*/ ) {
var arr = Array.prototype.slice.call(arguments, _join.length);
return arr.join(separator = '-');
}
// inject CSS for trial
var cssstr = ".jspsych-survey-multi-select-question { margin-top: 2em; margin-bottom: 2em; text-align: left; }"+
".jspsych-survey-multi-select-text span.required {color: darkred;}"+
".jspsych-survey-multi-select-horizontal .jspsych-survey-multi-select-text { text-align: center;}"+
".jspsych-survey-multi-select-option { line-height: 2; }"+
".jspsych-survey-multi-select-horizontal .jspsych-survey-multi-select-option { display: inline-block; margin-left: 1em; margin-right: 1em; vertical-align: top;}"+
"label.jspsych-survey-multi-select-text input[type='checkbox'] {margin-right: 1em;}"
display_element.innerHTML = '<style id="jspsych-survey-multi-select-css">' + cssstr + '</style>';
// form element
var trial_form_id = _join(plugin_id_name, "form");
display_element.innerHTML += '<form id="'+trial_form_id+'"></form>';
var trial_form = display_element.querySelector("#" + trial_form_id);
// show preamble text
var preamble_id_name = _join(plugin_id_name, 'preamble');
if(trial.preamble !== null){
trial_form.innerHTML += '<div id="'+preamble_id_name+'" class="'+preamble_id_name+'">'+trial.preamble+'</div>';
}
// generate question order. this is randomized here as opposed to randomizing the order of trial.questions
// so that the data are always associated with the same question regardless of order
var question_order = [];
for(var i=0; i<trial.questions.length; i++){
question_order.push(i);
}
if(trial.randomize_question_order){
question_order = jsPsych.randomization.shuffle(question_order);
}
// add multiple-select questions
for (var i = 0; i < trial.questions.length; i++) {
var question = trial.questions[question_order[i]];
var question_id = question_order[i];
// create question container
var question_classes = [_join(plugin_id_name, 'question')];
if (question.horizontal) {
question_classes.push(_join(plugin_id_name, 'horizontal'));
}
trial_form.innerHTML += '<div id="'+_join(plugin_id_name, question_id)+'" data-name="'+question.name+'" class="'+question_classes.join(' ')+'"></div>';
var question_selector = _join(plugin_id_selector, question_id);
// add question text
display_element.querySelector(question_selector).innerHTML += '<p id="survey-question" class="' + plugin_id_name + '-text survey-multi-select">' + question.prompt + '</p>';
// create option check boxes
for (var j = 0; j < question.options.length; j++) {
var option_id_name = _join(plugin_id_name, "option", question_id, j);
// add check box container
display_element.querySelector(question_selector).innerHTML += '<div id="'+option_id_name+'" class="'+_join(plugin_id_name, 'option')+'"></div>';
// add label and question text
var form = document.getElementById(option_id_name)
var input_name = _join(plugin_id_name, 'response', question_id);
var input_id = _join(plugin_id_name, 'response', question_id, j);
var label = document.createElement('label');
label.setAttribute('class', plugin_id_name+'-text');
label.innerHTML = question.options[j];
label.setAttribute('for', input_id)
// create checkboxes
var input = document.createElement('input');
input.setAttribute('type', "checkbox");
input.setAttribute('name', input_name);
input.setAttribute('id', input_id);
input.setAttribute('value', question.options[j])
form.appendChild(label)
form.insertBefore(input, label)
}
}
// add submit button
trial_form.innerHTML += '<div class="fail-message"></div>'
trial_form.innerHTML += '<button id="'+plugin_id_name+'-next" class="'+plugin_id_name+' jspsych-btn">'+trial.button_label+'</button>';
// validation check on the data first for custom validation handling
// then submit the form
display_element.querySelector('#jspsych-survey-multi-select-next').addEventListener('click', function(){
for(var i=0; i<trial.questions.length; i++){
if(trial.questions[i].required){
if(display_element.querySelector('#jspsych-survey-multi-select-'+i+' input:checked') == null){
display_element.querySelector('#jspsych-survey-multi-select-'+i+' input').setCustomValidity(trial.required_message);
} else {
display_element.querySelector('#jspsych-survey-multi-select-'+i+' input').setCustomValidity('');
}
}
}
trial_form.reportValidity();
})
trial_form.addEventListener('submit', function(event) {
event.preventDefault();
// measure response time
var endTime = performance.now();
var response_time = endTime - startTime;
// create object to hold responses
var question_data = {};
var has_response = [];
for(var index=0; index<trial.questions.length; index++){
var match = display_element.querySelector('#jspsych-survey-multi-select-'+index);
var val = [];
var inputboxes = match.querySelectorAll("input[type=checkbox]:checked")
for(var j=0; j<inputboxes.length; j++){
currentChecked = inputboxes[j];
val.push(currentChecked.value)
}
var id = 'Q' + index
var obje = {};
var name = id;
if(match.attributes['data-name'].value !== ''){
name = match.attributes['data-name'].value;
}
obje[name] = val;
Object.assign(question_data, obje);
if(val.length == 0){ has_response.push(false); } else { has_response.push(true); }
}
// save data
var trial_data = {
"rt": response_time,
"responses": JSON.stringify(question_data),
"question_order": JSON.stringify(question_order)
};
display_element.innerHTML = '';
// next trial
jsPsych.finishTrial(trial_data);
});
var startTime = performance.now();
};
return plugin;
})();