mirror of
https://github.com/jspsych/jsPsych.git
synced 2025-05-12 08:38:11 +00:00
89 lines
3.0 KiB
JavaScript
89 lines
3.0 KiB
JavaScript
/* jspsych-text.js
|
|
* Josh de Leeuw
|
|
*
|
|
* This plugin displays text (including HTML formatted strings) during the experiment.
|
|
* Use it to show instructions, provide performance feedback, etc...
|
|
*
|
|
* documentation: https://github.com/jodeleeuw/jsPsych/wiki/jspsych-text
|
|
*
|
|
*
|
|
*/
|
|
|
|
(function($) {
|
|
jsPsych.text = (function() {
|
|
|
|
var plugin = {};
|
|
|
|
plugin.create = function(params) {
|
|
|
|
params = jsPsych.pluginAPI.enforceArray(params, ['text','data', 'cont_key']);
|
|
|
|
var trials = new Array(params.text.length);
|
|
for (var i = 0; i < trials.length; i++) {
|
|
trials[i] = {};
|
|
trials[i].type = "text"; // must match plugin name
|
|
trials[i].text = params.text[i]; // text of all trials
|
|
trials[i].cont_key = params.cont_key || []; // keycode to press to advance screen, default is all keys.
|
|
trials[i].timing_post_trial = (typeof params.timing_post_trial === 'undefined') ? 0 : params.timing_post_trial;
|
|
trials[i].data = (typeof params.data === 'undefined') ? {} : params.data[i];
|
|
}
|
|
return trials;
|
|
};
|
|
|
|
plugin.trial = function(display_element, block, trial, part) {
|
|
|
|
// if any trial variables are functions
|
|
// this evaluates the function and replaces
|
|
// it with the output of the function
|
|
trial = jsPsych.pluginAPI.normalizeTrialVariables(trial);
|
|
|
|
// set the HTML of the display target to replaced_text.
|
|
display_element.html(trial.text);
|
|
|
|
var after_response = function(info) {
|
|
|
|
display_element.html(''); // clear the display
|
|
|
|
save_data(info.key, info.rt);
|
|
|
|
if (trial.timing_post_trial > 0) {
|
|
setTimeout(function() {
|
|
block.next();
|
|
}, trial.timing_post_trial);
|
|
}
|
|
else {
|
|
block.next();
|
|
} // call block.next() to advance the experiment after a delay.
|
|
|
|
};
|
|
|
|
var mouse_listener = function(e) {
|
|
|
|
var rt = (new Date()).getTime() - start_time;
|
|
|
|
display_element.unbind('click', mouse_listener);
|
|
|
|
after_response({key: 'mouse', rt: rt});
|
|
|
|
};
|
|
|
|
// check if key is 'mouse'
|
|
if (trial.cont_key == 'mouse') {
|
|
display_element.click(mouse_listener);
|
|
var start_time = (new Date()).getTime();
|
|
} else {
|
|
jsPsych.pluginAPI.getKeyboardResponse(after_response, trial.cont_key);
|
|
}
|
|
|
|
function save_data(key, rt) {
|
|
block.writeData($.extend({}, {
|
|
"rt": rt,
|
|
"key_press": key
|
|
}, trial.data));
|
|
}
|
|
};
|
|
|
|
return plugin;
|
|
})();
|
|
})(jQuery);
|