PI Search Helper Script

Helper script that selects the first option so you don't have to! Adds some keyboard shortcuts and hides instructions.
Från och med 2015-05-01. Se den senaste versionen.
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// ==UserScript==
// @name         PI Search Helper Script
// @namespace    https://greasyfork.org/en/users/10782
// @version      0.2
// @description  Helper script that selects the first option so you don't have to! Adds some keyboard shortcuts and hides instructions.
// @author       tismyname
// @require      https://ajax.googleapis.com/ajax/libs/jquery/2.1.3/jquery.min.js  
// @include      https://s3.amazonaws.com/*
// ==/UserScript==

// Makes Instructions Hidable
$(".panel-heading").before('<label><input type="checkbox" id="toggler">Show/Hide Instructions</input><br></label>')
$(".panel-heading").hide();
$(".panel-body").hide();

// Button to show or hide instructions
$('#toggler').click(function() {
    $(".panel-heading").toggle();
    $(".panel-body").toggle();
});    

var ITEMS = 6;
var currentQ = 1;


// Auto Select First Option
for(var i = 1; i <= ITEMS; i++) {
     $('#Q'+i+'_5').click();    
}

// Auto focuses on first radio button
 $('#Q'+currentQ+'_5').focus();

// Sets current clicked element to match keyboard shortcuts
$("input[type=radio]").click(function(){
    currentQ = this.id.charAt(1);
});


// Checks for keypresses
 $(document).keyup(function (event) {
	        var key = toCharacter(event.keyCode);
	        
             
     
	        if (key=='1') {
	            $('#Q'+currentQ+'_5').prop("checked", true);
                
	        }
	        
	        if (key=='2') {
                $('#Q'+currentQ+'_4').prop("checked", true);
	        }
	        
	        if (key=='3') {
	           $('#Q'+currentQ+'_3').prop("checked", true);
	        }
            
            if (key=='4') {
	           $('#Q'+currentQ+'_2').prop("checked", true);
	        }
     
            if (key=='5') {
	           $('#Q'+currentQ+'_1').prop("checked", true);
	        } 
     
            if(key=='N') {
               if(currentQ >= ITEMS)
                   currentQ = 1;
                else {
                   currentQ++;
                }
                $('#Q'+currentQ+'_5').focus();
            }
     
            if(key=='B') {
               if(currentQ <= 1)
                   currentQ = 6;
                else {
                   currentQ--;
                }
                $('#Q'+currentQ+'_5').focus();
            }   
});

// code from https://greasyfork.org/en/scripts/5978-mturk-dave-cobb-hit-helper
function toCharacter(keyCode) {
    // delta to convert num-pad key codes to QWERTY codes.
    var numPadToKeyPadDelta = 48;

	// if a numeric key on the num pad was pressed.
	if (keyCode >= 96 && keyCode <= 105) {
        keyCode = keyCode - numPadToKeyPadDelta;
	    return String.fromCharCode(keyCode);
	}
    
    if (keyCode == 13)
        return "ENTER"; // not sure if I need to add code to hit the submit button
	
    return String.fromCharCode(keyCode);
}