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@ -273,45 +273,62 @@ layui.define('jquery', function(exports){
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*/
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// 点击菜单 - a 标签触发
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,clickThis: function(){
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,clickThis: function() {
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var othis = $(this);
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var parents = othis.parents(NAV_ELEM);
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var parents = othis.closest(NAV_ELEM);
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var filter = parents.attr('lay-filter');
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var parent = othis.parent() ;
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var child = othis.siblings('.'+NAV_CHILD);
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var child = othis.siblings('.'+ NAV_CHILD);
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var unselect = typeof parent.attr('lay-unselect') === 'string'; // 是否禁用选中
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if(!(othis.attr('href') !== 'javascript:;' && othis.attr('target') === '_blank') && !unselect){
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if(!child[0]){
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parents.find('.'+THIS).removeClass(THIS);
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// 满足点击选中的条件
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if (!(othis.attr('href') !== 'javascript:;' && othis.attr('target') === '_blank') && !unselect) {
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if (!child[0]) {
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parents.find('.'+ THIS).removeClass(THIS);
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parent.addClass(THIS);
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}
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}
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// 若为垂直菜单
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if (parents.hasClass(NAV_TREE)) {
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var NAV_ITEMED = NAV_ITEM + 'ed';
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var NAV_EXPAND = 'layui-nav-expand';
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var needExpand = !(parent.hasClass(NAV_EXPAND) || parent.hasClass(NAV_ITEMED));
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var NAV_ITEMED = NAV_ITEM + 'ed'; // 用于标注展开状态
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var needExpand = !parent.hasClass(NAV_ITEMED); // 是否执行展开
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var ANIM_MS = 200; // 动画过渡毫秒数
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// 动画执行完成后的操作
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var complete = function() {
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$(this).css({
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"display": "" // 剔除动画生成的 style display，以适配外部样式的状态重置
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});
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// 避免导航滑块错位
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parents.children('.'+ NAV_BAR).css({
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opacity: 0
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})
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};
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// 是否正处于动画中的状态
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if (child.is(':animated')) return;
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// 剔除可能存在的 CSS3 动画类
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child.removeClass(NAV_ANIM);
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// 若有子菜单，则展开
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// 若有子菜单，则对其执行展开或收缩
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if (child[0]) {
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child.stop().slideToggle(200, function() {
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needExpand || parent.removeClass(NAV_ITEMED);
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});
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parent[needExpand ? 'addClass': 'removeClass'](NAV_EXPAND);
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// 手风琴
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if(typeof parents.attr('lay-accordion') === 'string' || parents.attr('lay-shrink') === 'all'){
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// 收缩兄弟项
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parent.siblings().removeClass([
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NAV_ITEMED,
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NAV_EXPAND
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].join(' ')).children('.'+NAV_CHILD).stop().slideUp(200);
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if (needExpand) {
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// 先执行 slideDown 动画，再标注展开状态样式，避免元素 `block` 状态导致动画无效
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child.slideDown(ANIM_MS, complete);
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parent.addClass(NAV_ITEMED);
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} else {
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// 先取消展开状态样式，再将元素临时显示，避免 `none` 状态导致 slideUp 动画无效
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parent.removeClass(NAV_ITEMED);
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child.show().slideUp(ANIM_MS, complete);
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}
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// 手风琴 --- 收缩兄弟展开项
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if (typeof parents.attr('lay-accordion') === 'string' || parents.attr('lay-shrink') === 'all') {
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var parentSibs = parent.siblings('.'+ NAV_ITEMED);
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parentSibs.removeClass(NAV_ITEMED);
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parentSibs.children('.'+ NAV_CHILD).show().stop().slideUp(ANIM_MS, complete);
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}
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}
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}
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@ -357,56 +374,65 @@ layui.define('jquery', function(exports){
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call.tabAuto.call({});
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}
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//导航菜单
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// 导航菜单
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,nav: function(){
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var TIME = 200, timer = {}, timerMore = {}, timeEnd = {}, NAV_TITLE = 'layui-nav-title'
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var TIME = 200;
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var timer = {};
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var timerMore = {};
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var timeEnd = {};
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var NAV_TITLE = 'layui-nav-title';
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//滑块跟随
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,follow = function(bar, nav, index){
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var othis = $(this), child = othis.find('.'+NAV_CHILD);
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if(nav.hasClass(NAV_TREE)){
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//无子菜单时跟随
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if(!child[0]){
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// 滑块跟随
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var follow = function(bar, nav, index) {
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var othis = $(this);
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var child = othis.find('.'+NAV_CHILD);
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// 是否垂直导航菜单
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if (nav.hasClass(NAV_TREE)) {
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// 无子菜单时跟随
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if (!child[0]) {
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var thisA = othis.children('.'+ NAV_TITLE);
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bar.css({
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top: othis.offset().top - nav.offset().top
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,height: (thisA[0] ? thisA : othis).outerHeight()
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,opacity: 1
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top: othis.offset().top - nav.offset().top,
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height: (thisA[0] ? thisA : othis).outerHeight(),
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opacity: 1
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});
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}
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} else {
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child.addClass(NAV_ANIM);
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//若居中对齐
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if(child.hasClass(NAV_CHILD_C)) child.css({
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left: -(child.outerWidth() - othis.width())/2
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});
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// 若居中对齐
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if (child.hasClass(NAV_CHILD_C)) {
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child.css({
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left: -(child.outerWidth() - othis.width()) / 2
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});
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}
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//滑块定位
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if(child[0]){ //若有子菜单，则滑块消失
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// 滑块定位
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if (child[0]) { // 若有子菜单，则滑块消失
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bar.css({
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left: bar.position().left + bar.width()/2
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,width: 0
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,opacity: 0
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left: bar.position().left + bar.width() / 2,
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width: 0,
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opacity: 0
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});
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} else { //bar 跟随
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} else { // bar 跟随
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bar.css({
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left: othis.position().left + parseFloat(othis.css('marginLeft'))
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,top: othis.position().top + othis.height() - bar.height()
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left: othis.position().left + parseFloat(othis.css('marginLeft')),
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top: othis.position().top + othis.height() - bar.height()
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});
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}
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//渐显滑块并适配宽度
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timer[index] = setTimeout(function(){
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// 渐显滑块并适配宽度
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timer[index] = setTimeout(function() {
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bar.css({
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width: child[0] ? 0 : othis.width()
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,opacity: child[0] ? 0 : 1
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width: child[0] ? 0 : othis.width(),
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opacity: child[0] ? 0 : 1
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});
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}, device.ie && device.ie < 10 ? 0 : TIME);
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//显示子菜单
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// 显示子菜单
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clearTimeout(timeEnd[index]);
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if(child.css('display') === 'block'){
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if (child.css('display') === 'block') {
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clearTimeout(timerMore[index]);
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}
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timerMore[index] = setTimeout(function(){
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@ -416,61 +442,64 @@ layui.define('jquery', function(exports){
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}
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};
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//遍历导航
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$(NAV_ELEM + elemFilter).each(function(index){
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var othis = $(this)
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,bar = $('<span class="'+ NAV_BAR +'"></span>')
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,itemElem = othis.find('.'+NAV_ITEM);
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// 遍历导航
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$(NAV_ELEM + elemFilter).each(function(index) {
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var othis = $(this);
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var bar = $('<span class="'+ NAV_BAR +'"></span>');
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var itemElem = othis.find('.'+NAV_ITEM);
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//hover 滑动效果
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if(!othis.find('.'+NAV_BAR)[0]){
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// hover 滑动效果
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if (!othis.find('.'+NAV_BAR)[0]) {
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othis.append(bar);
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(othis.hasClass(NAV_TREE)
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( othis.hasClass(NAV_TREE)
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? itemElem.find('dd,>.'+ NAV_TITLE)
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: itemElem).on('mouseenter', function(){
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: itemElem
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).on('mouseenter', function() {
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follow.call(this, bar, othis, index);
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}).on('mouseleave', function(){ //鼠标移出
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//是否为垂直导航
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if(othis.hasClass(NAV_TREE)){
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}).on('mouseleave', function() { // 鼠标移出
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// 是否为垂直导航
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if (othis.hasClass(NAV_TREE)) {
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bar.css({
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height: 0
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,opacity: 0
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height: 0,
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opacity: 0
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});
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} else {
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//隐藏子菜单
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// 隐藏子菜单
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clearTimeout(timerMore[index]);
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timerMore[index] = setTimeout(function(){
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othis.find('.'+NAV_CHILD).removeClass(SHOW);
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othis.find('.'+NAV_MORE).removeClass(NAV_MORE+'d');
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othis.find('.'+ NAV_CHILD).removeClass(SHOW);
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othis.find('.'+ NAV_MORE).removeClass(NAV_MORE +'d');
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}, 300);
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}
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});
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othis.on('mouseleave', function(){
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// 鼠标离开当前菜单时
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othis.on('mouseleave', function() {
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clearTimeout(timer[index])
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timeEnd[index] = setTimeout(function(){
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if(!othis.hasClass(NAV_TREE)){
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timeEnd[index] = setTimeout(function() {
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if (!othis.hasClass(NAV_TREE)) {
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bar.css({
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width: 0
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,left: bar.position().left + bar.width()/2
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,opacity: 0
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width: 0,
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left: bar.position().left + bar.width() / 2,
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opacity: 0
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});
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}
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}, TIME);
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});
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}
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//展开子菜单
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itemElem.find('a').each(function(){
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var thisA = $(this)
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,parent = thisA.parent()
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,child = thisA.siblings('.'+NAV_CHILD);
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// 展开子菜单
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itemElem.find('a').each(function() {
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var thisA = $(this);
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var parent = thisA.parent();
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var child = thisA.siblings('.'+ NAV_CHILD);
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//输出小箭头
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if(child[0] && !thisA.children('.'+NAV_MORE)[0]){
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// 输出小箭头
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if (child[0] && !thisA.children('.'+ NAV_MORE)[0]) {
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thisA.append('<i class="layui-icon '+ NAV_DOWN +' '+ NAV_MORE +'"></i>');
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}
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thisA.off('click', call.clickThis).on('click', call.clickThis); //点击菜单
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thisA.off('click', call.clickThis).on('click', call.clickThis); // 点击菜单
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});
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});
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}
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贤心
1 year ago
committed by