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691e8086ff
call-function: changed data storage so that if there was no return value then no data would be stored in the data object. this helps when trying to write data to a database as the empty data can be safely ignored. active-match: new plugin for manipulating an image until it matches another image.
44 lines
961 B
JavaScript
44 lines
961 B
JavaScript
/** July 2012. Josh de Leeuw
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This plugin gives the user the ability to execute an arbitrary function
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during an experiment. It can be used to save data in the middle of an
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experiment, for example.
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Params:
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"type" is "call_function"
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"func" is the function that will be called
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"args" is an array of arguments to pass to the function. (optional)
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Data:
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The return value of the function will be stored in the data.
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**/
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(function( $ ) {
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jsPsych.call_function = (function(){
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var plugin = {};
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plugin.create = function(params) {
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var trials = new Array(1);
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trials[0] = {
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"type": "call_function",
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"func": params["func"],
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"args": params["args"] || []
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}
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return trials;
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}
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plugin.trial = function($this, block, trial, part)
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{
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var return_val = trial.func.apply({}, [trial.args]);
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if(return_val){
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block.data[block.trial_idx] = return_val;
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}
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block.next();
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}
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return plugin;
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})();
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})(jQuery); |