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function render_question(frm)
{
for(var i=1;i<=frm.description.length;i++)
{
document.getElementById('my'+i).innerHTML = frm.description[i-1].value;
}
}
function increase(frm,n)
{
var newValue = document.getElementById('id_points'+ (n-1)).value ;
if( newValue == "")
{
document.getElementById('id_points'+(n-1)).value = "0.5";
return;
}
document.getElementById('id_points' + (n-1)).value = parseFloat(newValue) + 0.5;
}
function decrease(frm,n)
{
var newValue = document.getElementById('id_points'+ (n-1)).value ;
if( newValue > 0)
{
document.getElementById('id_points' + (n-1)).value = parseFloat(newValue) - 0.5;
}
else
{
document.getElementById('id_points' + (n-1)).value = 0;
}
}
function grade_data(showHideDiv)
{
var ele=document.getElementById(showHideDiv);
if (ele.style.display=="block")
{
ele.style.display = "none";
}
else
{
ele.style.display = "block";
}
}
function setSelectionRange(input, selectionStart, selectionEnd)
{
if (input.setSelectionRange)
{
input.focus();
input.setSelectionRange(selectionStart, selectionEnd);
}
else if (input.createTextRange)
{
var range = input.createTextRange();
range.collapse(true);
range.moveEnd('character', selectionEnd);
range.moveStart('character', selectionStart);
range.select();
}
}
function replaceSelection (input, replaceString)
{
if (input.setSelectionRange)
{
var selectionStart = input.selectionStart;
var selectionEnd = input.selectionEnd;
input.value = input.value.substring(0, selectionStart)+ replaceString + input.value.substring(selectionEnd);
if (selectionStart != selectionEnd)
{
setSelectionRange(input, selectionStart, selectionStart + replaceString.length);
}
else
{
setSelectionRange(input, selectionStart + replaceString.length, selectionStart + replaceString.length);
}
}
else if (document.selection)
{
var range = document.selection.createRange();
if (range.parentElement() == input)
{
var isCollapsed = range.text == '';
range.text = replaceString;
if (!isCollapsed)
{
range.moveStart('character', -replaceString.length);
range.select();
}
}
}
}
function data(showContent,showHideDiv,a,summary)
{
var con = document.getElementById(showContent);
var ele=document.getElementById(showHideDiv);
var atag=document.getElementById(a);
if (ele.style.display=="block")
{
con.style.display = "none"
ele.style.display = "none";
atag.text = summary;
}
else
{
con.style.display = "block";
ele.style.display = "block";
}
}
function textareaformat()
{
var point = document.getElementsByName('points');
var test = document.getElementsByName('test');
var option = document.getElementsByName('options');
var descriptions = document.getElementsByName('description');
var snippets = document.getElementsByName('snippet');
var type = document.getElementsByName('type');
var tags = document.getElementsByName('tags');
for (var i=0;i<point.length;i++)
{
point[i].id = point[i].id + i;
descriptions[i+1].id=descriptions[i+1].id + i;
test[i].id=test[i].id + i;
snippets[i].id=snippets[i].id + i;
option[i].id=option[i].id + i;
type[i].id = type[i].id + i;
tags[i].id = tags[i].id + i;
}
for(var i=0;i<point.length;i++)
{
var point_id = document.getElementById('id_points'+i);
point_id.setAttribute('class','mini-text');
var tags_id = document.getElementById('id_tags'+i);
tags_id.setAttribute('class','ac_input');
tags_id.setAttribute('autocomplete','off');
var type_id = document.getElementById('id_type'+i);
type_id.setAttribute('class','select-type');
type_id.onchange = showOptions;
var value = type_id.value;
var desc_id = document.getElementById('id_description'+i);
desc_id.onfocus = gainfocus;
desc_id.onblur = lostfocus;
var test_id = document.getElementById('id_test' + i);
test_id.onfocus = gainfocus;
test_id.onblur = lostfocus;
var snippet_id = document.getElementById('id_snippet'+i);
$(snippet_id).bind('focus',function(event){
this.rows = 5;
$(snippet_id).val("");
});
$(snippet_id).bind('keydown', function (event){
catchTab(snippet_id,event);
});
var option_id = document.getElementById('id_options' + i);
option_id.onfocus = gainfocus;
option_id.onblur = lostfocus;
if(value != 'mcq')
{
document.getElementById('id_options'+i).style.visibility='hidden';
document.getElementById('label_option'+(i+1)).innerHTML = "";
}
document.getElementById('my'+ (i+1)).innerHTML = desc_id.value;
jQuery().ready(function()
{
jQuery("#id_tags" + i).autocomplete("/taggit_autocomplete_modified/json", { multiple: true });
$(snippet_id).val("#To avoid indentation errors use tab for indentation for Python questions");
});
}
}
function catchTab(item,e)
{
if(navigator.userAgent.match("Gecko"))
{
c=e.which;
}
else
{
c=e.keyCode;
}
if(c==9)
{
replaceSelection(item,String.fromCharCode(9));
setTimeout("document.getElementById('"+item.id+"').focus();",0);
return false;
}
}
function showOptions(e)
{
var value = this.value;
var no = parseInt(this.id.substring(this.id.length-1));
if( value == 'mcq')
{
document.getElementById('id_options'+no).style.visibility = 'visible';
document.getElementById('label_option'+ (no+1)).innerHTML = "Options : "
}
else
{
document.getElementById('id_options'+no).value = "";
document.getElementById('id_options'+no).style.visibility = 'hidden';
document.getElementById('label_option'+ (no+1)).innerHTML = "";
}
}
function gainfocus(e)
{
this.rows = 5;
}
function lostfocus(e)
{
this.rows = 1;
}
function autosubmit()
{
var total_form = document.getElementsByName('summary').length;
var empty_options = 0 ;
var count_mcq = 0;
for (var i=0;i<total_form;i++)
{
if (document.getElementById('id_type' + i).value != 'mcq')
{
continue;
}
else
{
count_mcq = count_mcq + 1;
var options = document.getElementById('id_options' + i).value;
var total_words = options.split("\n").length ;
if ( total_words < 4)
empty_options = empty_options + 1 ;
}
}
if (empty_options > 0)
{
alert('Enter 4 options. One option per line.');
return false;
}
return true;
}
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