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123 lines
4.8 KiB
JavaScript
123 lines
4.8 KiB
JavaScript
/*
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* jQuery SelectBox Styler v1.0.1
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* http://dimox.name/styling-select-boxes-using-jquery-css/
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*
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* Copyright 2012 Dimox (http://dimox.name/)
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* Released under the MIT license.
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*
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* Date: 2012.10.07
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*
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*/
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(function($) {
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$.fn.selectbox = function() {
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$(this).each(function() {
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var select = $(this);
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if (select.prev('span.selectbox').length < 1) {
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function doSelect() {
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var option = select.find('option');
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var optionSelected = option.filter(':selected');
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var optionText = option.filter(':first').text();
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if (optionSelected.length) optionText = optionSelected.text();
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var ddlist = '';
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for (i = 0; i < option.length; i++) {
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var selected = '';
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var disabled = ' class="disabled"';
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if (option.eq(i).is(':selected')) selected = ' class="selected sel"';
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if (option.eq(i).is(':disabled')) selected = disabled;
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ddlist += '<li' + selected + '>'+ option.eq(i).text() +'</li>';
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}
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var selectbox =
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$('<span class="selectbox" style="display:inline-block;position:relative">'+
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'<div class="select" style="float:left;position:relative;z-index:10000"><div class="text">' + optionText + '</div>'+
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'<b class="trigger"><i class="arrow"></i></b>'+
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'</div>'+
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'<div class="dropdown" style="position:absolute;z-index:9999;overflow:auto;overflow-x:hidden;list-style:none">'+
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'<ul>' + ddlist + '</ul>'+
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'</div>'+
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'</span>');
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select.before(selectbox).css({position: 'absolute', top: -9999});
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var divSelect = selectbox.find('div.select');
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var divText = selectbox.find('div.text');
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var dropdown = selectbox.find('div.dropdown');
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var li = dropdown.find('li');
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var selectHeight = selectbox.outerHeight();
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if (dropdown.css('left') == 'auto') dropdown.css({left: 0});
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if (dropdown.css('top') == 'auto') dropdown.css({top: selectHeight});
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var liHeight = li.outerHeight();
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var position = dropdown.css('top');
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dropdown.hide();
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/* при клике на псевдоселекте */
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divSelect.click(function() {
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/* умное позиционирование */
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var topOffset = selectbox.offset().top;
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var bottomOffset = $(window).height() - selectHeight - (topOffset - $(window).scrollTop());
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if (bottomOffset < 0 || bottomOffset < liHeight * 6) {
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dropdown.height('auto').css({top: 'auto', bottom: position});
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if (dropdown.outerHeight() > topOffset - $(window).scrollTop() - 20 ) {
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dropdown.height(Math.floor((topOffset - $(window).scrollTop() - 20) / liHeight) * liHeight);
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}
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} else if (bottomOffset > liHeight * 6) {
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dropdown.height('auto').css({bottom: 'auto', top: position});
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if (dropdown.outerHeight() > bottomOffset - 20 ) {
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dropdown.height(Math.floor((bottomOffset - 20) / liHeight) * liHeight);
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}
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}
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$('span.selectbox').css({zIndex: 1}).removeClass('focused');
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selectbox.css({zIndex: 2});
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if (dropdown.is(':hidden')) {
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$('div.dropdown:visible').hide();
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dropdown.show();
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} else {
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dropdown.hide();
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}
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return false;
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});
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/* при наведении курсора на пункт списка */
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li.hover(function() {
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$(this).siblings().removeClass('selected');
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});
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var selectedText = li.filter('.selected').text();
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/* при клике на пункт списка */
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li.filter(':not(.disabled)').click(function() {
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var liText = $(this).text();
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if ( selectedText != liText ) {
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$(this).addClass('selected sel').siblings().removeClass('selected sel');
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option.removeAttr('selected').eq($(this).index()).attr('selected', true);
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selectedText = liText;
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divText.text(liText);
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select.change();
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}
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dropdown.hide();
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});
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dropdown.mouseout(function() {
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dropdown.find('li.sel').addClass('selected');
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});
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/* фокус на селекте */
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select.focus(function() {
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$('span.selectbox').removeClass('focused');
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selectbox.addClass('focused');
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})
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/* меняем селект с клавиатуры */
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.keyup(function() {
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divText.text(option.filter(':selected').text());
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li.removeClass('selected sel').eq(option.filter(':selected').index()).addClass('selected sel');
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});
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/* прячем выпадающий список при клике за пределами селекта */
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$(document).on('click', function(e) {
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if (!$(e.target).parents().hasClass('selectbox')) {
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dropdown.hide().find('li.sel').addClass('selected');
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selectbox.removeClass('focused');
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}
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});
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}
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doSelect();
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// обновление при динамическом изменении
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select.on('refresh', function() {
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select.prev().remove();
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doSelect();
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})
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}
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});
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}
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})(jQuery) |