<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<title>Hello MUI</title>
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<meta name="viewport" content="width=device-width, initial-scale=1,maximum-scale=1,user-scalable=no">
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<meta name="apple-mobile-web-app-capable" content="yes">
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<meta name="apple-mobile-web-app-status-bar-style" content="black">
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<!--标准mui.css-->
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<link rel="stylesheet" href="../css/mui.min.css">
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<!--App自定义的css-->
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<link rel="stylesheet" type="text/css" href="../css/app.css" />
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<style>
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.mui-row.mui-fullscreen>[class*="mui-col-"] {
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height: 100%;
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}
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.mui-col-xs-3,
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.mui-col-xs-9 {
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overflow-y: auto;
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height: 100%;
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}
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.mui-segmented-control .mui-control-item {
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line-height: 50px;
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width: 100%;
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}
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.mui-control-content {
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display: block;
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}
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.mui-segmented-control.mui-segmented-control-inverted .mui-control-item.mui-active {
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background-color: #fff;
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}
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</style>
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</head>
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<body>
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<header class="mui-bar mui-bar-nav">
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<a class="mui-action-back mui-icon mui-icon-left-nav mui-pull-left"></a>
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<h1 class="mui-title">侧面选项卡-div模式</h1>
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</header>
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<div class="mui-content mui-row mui-fullscreen">
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<div class="mui-col-xs-3">
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<div id="segmentedControls" class="mui-segmented-control mui-segmented-control-inverted mui-segmented-control-vertical">
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</div>
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</div>
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<div id="segmentedControlContents" class="mui-col-xs-9" style="border-left: 1px solid #c8c7cc;">
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</div>
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</div>
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<script src="../js/mui.min.js"></script>
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<script>
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mui.init({
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swipeBack: true //启用右滑关闭功能
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});
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var controls = document.getElementById("segmentedControls");
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var contents = document.getElementById("segmentedControlContents");
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var html = [];
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var i = 1,
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j = 1,
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m = 16, //左侧选项卡数量+1
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n = 21; //每个选项卡列表数量+1
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for (; i < m; i++) {
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html.push('<a class="mui-control-item" data-index="' + (i - 1) + '" href="#content' + i + '">选项' + i + '</a>');
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}
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controls.innerHTML = html.join('');
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html = [];
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for (i = 1; i < m; i++) {
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html.push('<div id="content' + i + '" class="mui-control-content"><ul class="mui-table-view">');
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for (j = 1; j < n; j++) {
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html.push('<li class="mui-table-view-cell">第' + i + '个选项卡子项-' + j + '</li>');
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}
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html.push('</ul></div>');
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}
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contents.innerHTML = html.join('');
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//默认选中第一个
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controls.querySelector('.mui-control-item').classList.add('mui-active');
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// contents.querySelector('.mui-control-content').classList.add('mui-active');
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(function() {
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var controlsElem = document.getElementById("segmentedControls");
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var contentsElem = document.getElementById("segmentedControlContents");
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var controlListElem = controlsElem.querySelectorAll('.mui-control-item');
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var contentListElem = contentsElem.querySelectorAll('.mui-control-content');
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var controlWrapperElem = controlsElem.parentNode;
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var controlWrapperHeight = controlWrapperElem.offsetHeight;
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var controlMaxScroll = controlWrapperElem.scrollHeight - controlWrapperHeight;//左侧类别最大可滚动高度
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var maxScroll = contentsElem.scrollHeight - contentsElem.offsetHeight;//右侧内容最大可滚动高度
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var controlHeight = controlListElem[0].offsetHeight;//左侧类别每一项的高度
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var controlTops = []; //存储control的scrollTop值
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var contentTops = [0]; //存储content的scrollTop值
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var length = contentListElem.length;
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for (var i = 0; i < length; i++) {
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controlTops.push(controlListElem[i].offsetTop + controlHeight);
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}
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for (var i = 1; i < length; i++) {
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var offsetTop = contentListElem[i].offsetTop;
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if (offsetTop + 100 >= maxScroll) {
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var height = Math.max(offsetTop + 100 - maxScroll, 100);
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var totalHeight = 0;
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var heights = [];
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for (var j = i; j < length; j++) {
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var offsetHeight = contentListElem[j].offsetHeight;
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totalHeight += offsetHeight;
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heights.push(totalHeight);
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}
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for (var m = 0, len = heights.length; m < len; m++) {
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contentTops.push(parseInt(maxScroll - (height - heights[m] / totalHeight * height)));
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}
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break;
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} else {
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contentTops.push(parseInt(offsetTop));
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}
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}
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contentsElem.addEventListener('scroll', function() {
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var scrollTop = contentsElem.scrollTop;
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for (var i = 0; i < length; i++) {
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var offsetTop = contentTops[i];
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var offset = Math.abs(offsetTop - scrollTop);
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// console.log("i:"+i+",scrollTop:"+scrollTop+",offsetTop:"+offsetTop+",offset:"+offset);
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if (scrollTop < offsetTop) {
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if (scrollTop >= maxScroll) {
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onScroll(length - 1);
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} else {
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onScroll(i - 1);
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}
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break;
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} else if (offset < 20) {
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onScroll(i);
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break;
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}else if(scrollTop >= maxScroll){
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onScroll(length - 1);
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break;
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}
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}
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});
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var lastIndex = 0;
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//监听content滚动
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var onScroll = function(index) {
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if (lastIndex !== index) {
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lastIndex = index;
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var lastActiveElem = controlsElem.querySelector('.mui-active');
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lastActiveElem && (lastActiveElem.classList.remove('mui-active'));
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var currentElem = controlsElem.querySelector('.mui-control-item:nth-child(' + (index + 1) + ')');
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currentElem.classList.add('mui-active');
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//简单处理左侧分类滚动，要么滚动到底，要么滚动到顶
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var controlScrollTop = controlWrapperElem.scrollTop;
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if (controlScrollTop + controlWrapperHeight < controlTops[index]) {
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controlWrapperElem.scrollTop = controlMaxScroll;
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} else if (controlScrollTop > controlTops[index] - controlHeight) {
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controlWrapperElem.scrollTop = 0;
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}
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}
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};
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//滚动到指定content
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var scrollTo = function(index) {
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contentsElem.scrollTop = contentTops[index];
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};
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mui(controlsElem).on('tap', '.mui-control-item', function(e) {
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scrollTo(this.getAttribute('data-index'));
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return false;
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});
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})();
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</script>
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</body>
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</html>
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