Difference between revisions of "Hide Next button in n seconds"

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== Challenge  ==
 
== Challenge  ==
  
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In order to not allow respondent click on the Next button in a period of time<br>As a questionnaire creator<br>I want to hide the Next button in some seconds&nbsp;
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In order to not allow respondent click on the Next button in a period of time
  
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== Solution  ==
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As a questionnaire creator
  
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*In questionnaire template editor, choose the&nbsp;question&nbsp;I want to hide the Next button,&nbsp;and then&nbsp;go to the Properties - Edit question properties - Language dependent - Select javascript property&nbsp;
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I want to hide the Next button in some seconds&nbsp;
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*Create a onInit() function.
 
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*In that function, check if the Next button existed.&nbsp;
 
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*If it doesn't exist, do nothing, else disable the Next button, set the time&nbsp;out to number of seconds&nbsp;I want to hide the&nbsp;button, then show the button again.&nbsp;&nbsp;
 
  
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== Code  ==
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== Example ==
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[[Image:HideNextButton1.jpg]]
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<br>
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[[Image:HideNextButton2.jpg]]
  
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quest.onInit = function()<br>{<br>var secsTimeout = 10;&nbsp;
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== Solution  ==
  
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if ( !document.getElementsByName('next') || document.getElementsByName('next').length == 0 ) <br>{<br>// next button not available<br>return;<br>}<br>else<br>{<br>document.getElementsByName('next')[0].style.display='none';<br>}
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*In questionnaire template editor, choose the question I want to hide the Next button and then go to the Properties - Edit question properties - Language dependent - Select javascript property
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*Override quest.onInit function.  
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*In that function, check if the Next button exists.  
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*If it doesn't exist, do nothing, else disable the Next button, set the time out to number of seconds I want to hide the button, then show the button again.
  
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var timeout = setTimeout("document.getElementsByName('next')[0].style.display=;", secsTimeout*1000);
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[[Image:HideNextButton Code.jpg]]
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== Code  ==
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<source lang="javascript">
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quest.onInit = function()
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{
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var secsTimeout = 10;
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if ( !document.getElementsByName('next') || document.getElementsByName('next').length == 0 )
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// next button not available
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return;
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document.getElementsByName('next')[0].style.display='none';
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setTimeout("document.getElementsByName('next')[0].style.display='';", secsTimeout*1000);
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}
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</source>
  
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} <br>
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== Source ==
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Questionnaire Resource Id on cg site: 159730

Latest revision as of 05:58, 2 February 2012

Challenge

In order to not allow respondent click on the Next button in a period of time

As a questionnaire creator

I want to hide the Next button in some seconds 

Example

HideNextButton1.jpg
HideNextButton2.jpg

Solution

  • In questionnaire template editor, choose the question I want to hide the Next button and then go to the Properties - Edit question properties - Language dependent - Select javascript property
  • Override quest.onInit function.
  • In that function, check if the Next button exists.
  • If it doesn't exist, do nothing, else disable the Next button, set the time out to number of seconds I want to hide the button, then show the button again.

HideNextButton Code.jpg

Code

quest.onInit = function()
{
	var secsTimeout = 10;
	if ( !document.getElementsByName('next') || document.getElementsByName('next').length == 0 ) 
		// next button not available
		return;
	document.getElementsByName('next')[0].style.display='none';
	setTimeout("document.getElementsByName('next')[0].style.display='';", secsTimeout*1000);
}

Source

Questionnaire Resource Id on cg site: 159730

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