orbit-basic/vendor/built_in_modules/survey/app/assets/javascripts/survey.js

// Check Questions Length
function checkQuestionsLength() {
	var questionsLength = $('.questions > .attributes').length;
	if(questionsLength == 1) {
		$('.questions .delete').addClass('hide');
	} else {
		$('.questions .delete').removeClass('hide');
	};
};

// Role Attribute Template Data
function setData(l, length, optionsI, className) {
	if(!optionsI) {
		optionsI = 0;
	}
	var id = "survey_survey_questions_attributes_",
		name = "survey[survey_questions_attributes][",
		optionID = l+"_survey_question_options_attributes_"+optionsI+"_name_translations_",
		optionName = l+"][survey_question_options_attributes]["+optionsI+"][name_translations]",
		radiogroupsID = l+"_survey_question_radiogroups_attributes_"+optionsI+"_name_translations_",
		radiogroupsName = l+"][survey_question_radiogroups_attributes]["+optionsI+"][name_translations]";
	data = {
		_l: l,
		_length: length,
		_className: className,
		_destroy: [id+l+"_destroy", name+l+"][_destroy]"],
		_sequence : [id+l+"_sequence",name+l+"][sequence]"],
		_title_translations: [id+l+"_title_translations", name+l+"][title_translations]", "questions_title_"+l],
		_description_translations: [id+l+"_description_translations", name+l+"][description_translations]", "questions_depiction_"+l],
		_type: [id+l+"_type", name+l+"][type]"],
		_is_required: [id+l+"_is_required", name+l+"][is_required]"],
		_option: [id+optionID, name+optionName, "attributes_"+l+"_options_"+optionsI+"_"],
		_radiogroups: [id+radiogroupsID, name+radiogroupsName, "attributes_"+l+"_radiogroups_"+optionsI+"_"],
		_custom_option: [id+l+"_custom_option", name+l+"][custom_option]"]
	};
	return data;
};

function inputAppendLength(element, length) {
	if(length == 2) {
		element.closest('.add-target').find('.remove-input').addClass('hide').prev().addClass('last');
	}
	element.closest('.input-append').remove();
}

$(function() {
	var l = $('.questions > .attributes').length  || 0;
	if($('#survey_redirect_mode').prop('checked')) {
		$('.questions').fadeOut(300);
		$('.redirect-url').fadeIn(300);
	} else {
		$('.questions').fadeIn(300);
		$('.redirect-url').fadeOut(300);
	};
	$('#survey_redirect_mode').change(function(event) {
		if($(this).prop('checked')) {
			$('.questions').fadeOut(300);
			$('.redirect-url').fadeIn(300);
		} else {
			$('.questions').fadeIn(300);
			$('.redirect-url').fadeOut(300);
		}
	});
	$('.field-type').each(function() {
		$(this).children('.control-group').each(function() {
			$(this).data().index = $(this).find('.input-append').length
		});
	});
	$('.add-target').each(function() {
		if($(this).children('.input-append').length == 1) {
			$(this).find('.remove-input').addClass('hide').prev().addClass('last');
		};
	});
	$('.add-question').on(clickEvent, function(event) {
		$('#template-survery').tmpl(setData(l, $('.questions > .attributes').length + 1)).appendTo($('.questions'));
		checkQuestionsLength();
		textareaResizable(); // from textarea-lang-btn.js
		l += 1;
	});

	$('.questions').on('change', '.type-selector', function(event) {
		$(this).children("option:selected").each(function () {
			var $fieldType = $(this).closest('.control-group').siblings('.field-type'),
				_val = $(this).val(),
				_index = $(this).closest('.attributes').data().index;
			if(_val < 2) {
				$fieldType.fadeOut(300);
			} else {
				$fieldType.fadeIn(300);
				if(_val < 5) {
					$fieldType.find('.rgl, hr').addClass('hide').siblings('.allow').removeClass('hide');
				} else {
					$fieldType.find('.rgl, hr').removeClass('hide').siblings('.allow').addClass('hide');
				}
			};
		});
	});

	$('.questions').on('keyup', '.q-title', function(event) {
		var $questionsTitle = $(this).closest('.attributes-body').siblings('.attributes-header').find('.questions-title'),
			$tabPane = $(this).closest('.tab-content');
		$questionsTitle.text($tabPane.find('.active input[type="text"]').val())
		event.preventDefault();
		/* Act on the event */
	});
	$(".questions").sortable({
		update : function ( event, ui ){
			$(".questions .attributes").each( function ( i ){
				$( this ).find( "input.sequence" ).val( i );
				$( this ).find( "h4 span:eq(0)" ).text( i + 1 );
				$( this ).attr( "data-index", i );
			})
		}
	});

	$('.questions').on(clickEvent, '.add-btn a, .remove-input, .delete, .attributes-header h4 i, .btn-group .btn', function(event) {
		if($(this).hasClass('remove-input')){
			inputAppendLength($(this), $(this).closest('.add-target').children('.input-append').length);
		} else if($(this).hasClass('delete')) {
			$(this).closest('.attributes').fadeOut(300, function() {
				$(this).remove();
				checkQuestionsLength();
				$('.questions > .attributes').each(function(index, el) {
					$(this).find('h4').find('span:eq(0)').text(index + 1);
				});
			});
		} else if($(this).hasClass('icon-caret-up') || $(this).hasClass('icon-caret-down')) {
			if($(this).hasClass('icon-caret-up')) {
				$(this).closest('.attributes-header').siblings('.attributes-body').slideUp(300)
				$(this).addClass('icon-caret-down').removeClass('icon-caret-up');
			} else {
				$(this).closest('.attributes-header').siblings('.attributes-body').slideDown(300)
				$(this).addClass('icon-caret-up').removeClass('icon-caret-down');
			}
		} else if($(this).parent().hasClass('btn-group')){
			var $questionsTitle = $(this).closest('.attributes-body').siblings('.attributes-header').find('.questions-title'),
				$tabPane = $(this).closest('.btn-group').siblings('.tab-content');
			$questionsTitle.text($tabPane.find('div').not('.active').children('input[type="text"]').val())
		} else {
			var _i = $(this).closest('.control-group').data('index') || 1,
				_className = $(this).closest('.control-group').attr('class').match(/options|rgl/g)[0],
				_index = $(this).closest('.attributes').data().index,
				_length = $(this).closest('.add-btn').siblings('.input-append').length;
				console.log(_i)
			$('#template-survery-option').tmpl(setData(_index, "", _i, _className)).insertBefore($(this).closest('.add-btn'));
			$(this).closest('.add-target').find('.input-append').find('.remove-input').removeClass('hide').prev().removeClass('last');
			_i += 1
			$(this).closest('.control-group').data('index', _i)
		}
		event.preventDefault();
	});
	checkQuestionsLength();
});