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THEMA: calculate an intervention duration

calculate an intervention duration 1 Jahr 4 Monate her #96184

  • ahchouch
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0Hi
I need to calculate the duration of an intervention in minutes.
I have 04 numeric type questions standing for hour and minute of benginning and finish of intervention.
Q1: Hour of incision
Q2/ minute of incision
Q3: Hour of closure
Q4: minute of closure
How can i do this with EM or JS?
The main issue is to handle the negative difference between hours or minutes (IH 23 and CH 00 for instance witch should give 01 hour difference not -23!)
Thanks in advance
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calculate an intervention duration 1 Jahr 4 Monate her #96185

  • Ben_V
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I'm not sure if you already know that you can use as well a very smart "timepicker" question... :)
It's the end of the good news because I have no idea if it can be easier to handle your calculation with this :(
Benoît

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calculate an intervention duration 1 Jahr 4 Monate her #96187

  • ahchouch
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Thanks Ben
I actually kept my 4 numeric type questions and tried some JS.
I had first to set rules for calculating the duration according to hours and/or minutes of closure are superior or not hours and/or minutes of incision. (4 cases!)
It worked fine.
I just need to add an alert if one of the four fiels is empty. It seems simple but my knowledge of JS is less than basic! :(
Heres' the JS
<script type="text/JavaScript">
jQuery(document).ready(
    function(){
       // alert('onload alert!');
 
$('#answer941186X3X378,#answer941186X3X379,#answer941186X3X380,#answer941186X3X381').change(function() {
var hoi= parseInt($('#answer941186X3X378').val());
var moi= parseInt($('#answer941186X3X379').val());
var hoc= parseInt($('#answer941186X3X380').val());
var moc= parseInt($('#answer941186X3X381').val());
var duree = new Number();
 
if ((hoc >= hoi) && (moc >= moi)) {
duree = (60 * (hoc - hoi)) + (moc - moi);
}
if ((hoc >= hoi) && (moc < moi)) {
duree = 60 * (hoc - hoi - 1) + 60 - moi + moc;
}
if ((hoc < hoi) && (moc < moi)) {
duree = (60 * ((23 - hoi) + hoc)) + ((60 - moi) + moc);
}
if ((hoc < hoi) && (moc >= moi)) {
duree = (60 * ((24 - hoi) + hoc)) + (moc - moi);
}
 
	$('#answer941186X3X1341').val(duree);
 
});
 
    }
 
);
 
 
</script>
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calculate an intervention duration 1 Jahr 4 Monate her #96189

  • Ben_V
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I just need to add an alert if one of the four fiels is empty.
Sounds like the 4 questions just have to be set 'mandatory' :blink:

Remember that in the advanced settings of numerical input questions you can use the 'question validation equation' and 'question validation tip' to display a validation message...

(!is_empty(1234X56X789.NAOK))
or any more complex rule...e.g.:
((!is_empty(1234X56X789.NAOK) && (1234X56X789.NAOK >= "0"))

validation_2013-05-19.gif
Benoît

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