Merge pull request #15426 from nextcloud/refactor/remove-singleselect

Remove unused singleselect script

core/js/singleselect.js

-(function ($) {
-	$.fn.singleSelect = function () {
-		return this.each(function (i, select) {
-			var input = $('<input/>'),
-				gravity = $(select).attr('data-tipsy-gravity'),
-				inputTooltip = $(select).attr('data-inputtitle');
-			if (inputTooltip){
-				input.attr('title', inputTooltip);
-			}
-			if (typeof gravity === 'undefined') {
-				gravity = 'n';
-			}
-			select = $(select);
-			input.css('position', 'absolute');
-			input.css({
-				'box-sizing': 'border-box',
-				'-moz-box-sizing': 'border-box',
-				'margin': 0,
-				'width': (select.width() - 5) + 'px',
-				'height': (select.outerHeight() - 2) + 'px',
-				'border': 'none',
-				'box-shadow': 'none',
-				'margin-top': '1px',
-				'margin-left': '1px',
-				'z-index': 1000
-			});
-			input.hide();
-			$('body').append(input);
-
-			select.on('change', function (event) {
-				var value = $(this).val(),
-					newAttr = $('option:selected', $(this)).attr('data-new');
-				if (!(typeof newAttr !== 'undefined' && newAttr !== false)) {
-					input.hide();
-					select.data('previous', value);
-				} else {
-					event.stopImmediatePropagation();
-					// adjust offset, in case the user scrolled
-					input.css(select.offset());
-					input.show();
-					if ($.fn.tipsy){
-						input.tipsy({gravity: gravity, trigger: 'manual'});
-						input.tipsy('show');
-					}
-					input.focus();
-				}
-			});
-
-			$(select).data('previous', $(select).val());
-
-			input.on('change', function () {
-				var value = $(this).val();
-				if (value) {
-					select.children().attr('selected', null);
-					var existingOption = select.children().filter(function (i, option) {
-						return ($(option).val() == value);
-					});
-					if (existingOption.length) {
-						existingOption.attr('selected', 'selected');
-					} else {
-						var option = $('<option/>');
-						option.attr('selected', 'selected').attr('value', value).text(value);
-						select.children().last().before(option);
-					}
-					select.val(value);
-					select.css('background-color', null);
-					input.val(null);
-					input.hide();
-					select.change();
-				} else {
-					var previous = select.data('previous');
-					select.children().attr('selected', null);
-					select.children().each(function (i, option) {
-						if ($(option).val() == previous) {
-							$(option).attr('selected', 'selected');
-						}
-					});
-					select.removeClass('active');
-					input.hide();
-				}
-			});
-
-			input.on('blur', function () {
-				$(this).change();
-				if ($.fn.tipsy){
-					$(this).tipsy('hide');
-				}
-			});
-			input.click(function(ev) {
-				// prevent clicks to close any container
-				ev.stopPropagation();
-			});
-		});
-	};
-})(jQuery);