I think, for the time being, you'll need to insert your own sliders.
Disable the LimeSurvey settings and place something like this in the question source:
Code:
<script type="text/javascript" charset="utf-8">
$(document).ready(function() {
// Identify this question
var thisQuestion = $('#question{QID}');
// Add some classes
$('tr.question-item', thisQuestion).each(function(i) {
$('td:eq(0)', this).addClass('with-label');
$('td:eq(1)', this).addClass('with-slider');
});
// Insert the sliders
$('input[type="text"]', thisQuestion).each(function(i) {
var thisVal = $(this).val();
if(thisVal == '') {
thisVal = 0;
}
$(this).bootstrapSlider({
'min': 0,
'max': 1000,
'step': 50,
'value': Number(thisVal),
'handle': 'triangle',
'tooltip': 'always'
});
});
// Listeners on the sliders for Expression Manager
$('input[type="text"]', thisQuestion).on('slideStop', function(i) {
fixnum_checkconditions(this.value, this.name, this.type, 'onchange',0)
});
// Some styling
$('table.table-multi-num, table.table-multi-num tbody', thisQuestion).css({
'display': 'block'
});
$('tr.question-item', thisQuestion).css({
'display': 'block'
});
$('tr.question-item td', thisQuestion).css({
'display': 'block'
});
$('tr.question-item td.with-label', thisQuestion).css({
'padding-bottom': '1.5em',
'text-align': 'left'
});
$('tr.question-item td.with-slider', thisQuestion).css({
'padding-bottom': '2.5em',
});
});
</script>