511 lines
16 KiB
JavaScript
511 lines
16 KiB
JavaScript
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/*!
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* element 常用元素操作
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* MIT Licensed
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*/
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layui.define('jquery', function(exports){
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"use strict";
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var $ = layui.$
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,hint = layui.hint()
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,device = layui.device()
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,MOD_NAME = 'element', THIS = 'layui-this', SHOW = 'layui-show'
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,Element = function(){
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this.config = {};
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};
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//全局设置
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Element.prototype.set = function(options){
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var that = this;
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$.extend(true, that.config, options);
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return that;
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};
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//表单事件
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Element.prototype.on = function(events, callback){
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return layui.onevent.call(this, MOD_NAME, events, callback);
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};
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//外部Tab新增
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Element.prototype.tabAdd = function(filter, options){
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var TITLE = '.layui-tab-title'
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,tabElem = $('.layui-tab[lay-filter='+ filter +']')
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,titElem = tabElem.children(TITLE)
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,barElem = titElem.children('.layui-tab-bar')
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,contElem = tabElem.children('.layui-tab-content')
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,li = '<li'+ function(){
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var layAttr = [];
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layui.each(options, function(key, value){
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if(/^(title|content)$/.test(key)) return;
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layAttr.push('lay-'+ key +'="'+ value +'"');
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});
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if(layAttr.length > 0) layAttr.unshift(''); //向前插，预留空格
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return layAttr.join(' ');
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}() +'>'+ (options.title || 'unnaming') +'</li>';
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barElem[0] ? barElem.before(li) : titElem.append(li);
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contElem.append('<div class="layui-tab-item">'+ (options.content || '') +'</div>');
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call.hideTabMore(true);
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call.tabAuto();
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return this;
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};
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//外部Tab删除
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Element.prototype.tabDelete = function(filter, layid){
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var TITLE = '.layui-tab-title'
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,tabElem = $('.layui-tab[lay-filter='+ filter +']')
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,titElem = tabElem.children(TITLE)
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,liElem = titElem.find('>li[lay-id="'+ layid +'"]');
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call.tabDelete(null, liElem);
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return this;
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};
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//外部Tab切换
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Element.prototype.tabChange = function(filter, layid){
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var TITLE = '.layui-tab-title'
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,tabElem = $('.layui-tab[lay-filter='+ filter +']')
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,titElem = tabElem.children(TITLE)
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,liElem = titElem.find('>li[lay-id="'+ layid +'"]');
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call.tabClick.call(liElem[0], null, null, liElem);
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return this;
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};
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//自定义Tab选项卡
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Element.prototype.tab = function(options){
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options = options || {};
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dom.on('click', options.headerElem, function(e){
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var index = $(this).index();
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call.tabClick.call(this, e, index, null, options);
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});
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};
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//动态改变进度条
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Element.prototype.progress = function(filter, percent){
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var ELEM = 'layui-progress'
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,elem = $('.'+ ELEM +'[lay-filter='+ filter +']')
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,elemBar = elem.find('.'+ ELEM +'-bar')
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,text = elemBar.find('.'+ ELEM +'-text');
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elemBar.css('width', percent).attr('lay-percent', percent);
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text.text(percent);
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return this;
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};
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var NAV_ELEM = '.layui-nav', NAV_ITEM = 'layui-nav-item', NAV_BAR = 'layui-nav-bar'
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,NAV_TREE = 'layui-nav-tree', NAV_CHILD = 'layui-nav-child', NAV_CHILD_C = 'layui-nav-child-c'
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,NAV_MORE = 'layui-nav-more', NAV_DOWN = 'layui-icon-down', NAV_ANIM = 'layui-anim layui-anim-upbit'
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//基础事件体
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,call = {
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//Tab 点击
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tabClick: function(e, index, liElem, options){
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options = options || {};
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var othis = liElem || $(this)
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,index = index || othis.parent().children('li').index(othis)
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,parents = options.headerElem ? othis.parent() : othis.parents('.layui-tab').eq(0)
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,item = options.bodyElem ? $(options.bodyElem) : parents.children('.layui-tab-content').children('.layui-tab-item')
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,elemA = othis.find('a')
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,isJump = elemA.attr('href') !== 'javascript:;' && elemA.attr('target') === '_blank' //是否存在跳转
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,unselect = typeof othis.attr('lay-unselect') === 'string' //是否禁用选中
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,filter = parents.attr('lay-filter');
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//执行切换
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if(!(isJump || unselect)){
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othis.addClass(THIS).siblings().removeClass(THIS);
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item.eq(index).addClass(SHOW).siblings().removeClass(SHOW);
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}
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layui.event.call(this, MOD_NAME, 'tab('+ filter +')', {
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elem: parents
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,index: index
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});
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}
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//Tab删除
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,tabDelete: function(e, othis){
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var li = othis || $(this).parent(), index = li.index()
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,parents = li.parents('.layui-tab').eq(0)
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,item = parents.children('.layui-tab-content').children('.layui-tab-item')
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,filter = parents.attr('lay-filter');
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if(li.hasClass(THIS)){
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if(li.next()[0]){
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call.tabClick.call(li.next()[0], null, index + 1);
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} else if(li.prev()[0]){
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call.tabClick.call(li.prev()[0], null, index - 1);
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}
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}
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li.remove();
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item.eq(index).remove();
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setTimeout(function(){
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call.tabAuto();
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}, 50);
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layui.event.call(this, MOD_NAME, 'tabDelete('+ filter +')', {
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elem: parents
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,index: index
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});
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}
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//Tab自适应
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,tabAuto: function(){
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var SCROLL = 'layui-tab-scroll', MORE = 'layui-tab-more', BAR = 'layui-tab-bar'
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,CLOSE = 'layui-tab-close', that = this;
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$('.layui-tab').each(function(){
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var othis = $(this)
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,title = othis.children('.layui-tab-title')
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,item = othis.children('.layui-tab-content').children('.layui-tab-item')
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,STOPE = 'lay-stope="tabmore"'
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,span = $('<span class="layui-unselect layui-tab-bar" '+ STOPE +'><i '+ STOPE +' class="layui-icon"></i></span>');
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if(that === window && device.ie != 8){
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call.hideTabMore(true)
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}
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//允许关闭
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if(othis.attr('lay-allowClose')){
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title.find('li').each(function(){
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var li = $(this);
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if(!li.find('.'+CLOSE)[0]){
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var close = $('<i class="layui-icon layui-icon-close layui-unselect '+ CLOSE +'"></i>');
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close.on('click', call.tabDelete);
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li.append(close);
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}
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});
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}
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if(typeof othis.attr('lay-unauto') === 'string') return;
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//响应式
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if(title.prop('scrollWidth') > title.outerWidth()+1){
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if(title.find('.'+BAR)[0]) return;
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title.append(span);
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othis.attr('overflow', '');
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span.on('click', function(e){
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title[this.title ? 'removeClass' : 'addClass'](MORE);
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this.title = this.title ? '' : '收缩';
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});
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} else {
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title.find('.'+BAR).remove();
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othis.removeAttr('overflow');
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}
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});
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}
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//隐藏更多Tab
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,hideTabMore: function(e){
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var tsbTitle = $('.layui-tab-title');
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if(e === true || $(e.target).attr('lay-stope') !== 'tabmore'){
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tsbTitle.removeClass('layui-tab-more');
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tsbTitle.find('.layui-tab-bar').attr('title','');
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}
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}
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//点击一级菜单
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/*
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,clickThis: function(){
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var othis = $(this), parents = othis.parents(NAV_ELEM)
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,filter = parents.attr('lay-filter')
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,elemA = othis.find('a')
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,unselect = typeof othis.attr('lay-unselect') === 'string';
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if(othis.find('.'+NAV_CHILD)[0]) return;
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if(!(elemA.attr('href') !== 'javascript:;' && elemA.attr('target') === '_blank') && !unselect){
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parents.find('.'+THIS).removeClass(THIS);
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othis.addClass(THIS);
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}
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layui.event.call(this, MOD_NAME, 'nav('+ filter +')', othis);
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}
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)
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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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var othis = $(this)
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,parents = othis.parents(NAV_ELEM)
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,filter = parents.attr('lay-filter')
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,parent = othis.parent()
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,child = othis.siblings('.'+NAV_CHILD)
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,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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parent.addClass(THIS);
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}
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}
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//如果是垂直菜单
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if(parents.hasClass(NAV_TREE)){
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child.removeClass(NAV_ANIM);
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//如果有子菜单，则展开
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if(child[0]){
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parent[child.css('display') === 'none' ? 'addClass': 'removeClass'](NAV_ITEM+'ed');
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if(parents.attr('lay-shrink') === 'all'){
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parent.siblings().removeClass(NAV_ITEM + 'ed');
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}
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}
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}
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layui.event.call(this, MOD_NAME, 'nav('+ filter +')', othis);
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}
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//点击子菜单选中
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/*
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,clickChild: function(){
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var othis = $(this), parents = othis.parents(NAV_ELEM)
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,filter = parents.attr('lay-filter');
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parents.find('.'+THIS).removeClass(THIS);
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othis.addClass(THIS);
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layui.event.call(this, MOD_NAME, 'nav('+ filter +')', othis);
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}
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*/
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//折叠面板
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,collapse: function(){
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var othis = $(this), icon = othis.find('.layui-colla-icon')
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,elemCont = othis.siblings('.layui-colla-content')
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,parents = othis.parents('.layui-collapse').eq(0)
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,filter = parents.attr('lay-filter')
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,isNone = elemCont.css('display') === 'none';
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//是否手风琴
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if(typeof parents.attr('lay-accordion') === 'string'){
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var show = parents.children('.layui-colla-item').children('.'+SHOW);
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show.siblings('.layui-colla-title').children('.layui-colla-icon').html('');
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show.removeClass(SHOW);
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}
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elemCont[isNone ? 'addClass' : 'removeClass'](SHOW);
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icon.html(isNone ? '' : '');
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layui.event.call(this, MOD_NAME, 'collapse('+ filter +')', {
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title: othis
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,content: elemCont
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,show: isNone
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});
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}
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};
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//初始化元素操作
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Element.prototype.init = function(type, filter){
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var that = this, elemFilter = function(){
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return filter ? ('[lay-filter="' + filter +'"]') : '';
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}(), items = {
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//Tab选项卡
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tab: function(){
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call.tabAuto.call({});
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}
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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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//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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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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});
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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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//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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});
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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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});
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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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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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});
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}, device.ie && device.ie < 10 ? 0 : TIME);
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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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clearTimeout(timerMore[index]);
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}
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timerMore[index] = setTimeout(function(){
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child.addClass(SHOW);
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othis.find('.'+NAV_MORE).addClass(NAV_MORE+'d');
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}, 300);
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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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//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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? itemElem.find('dd,>.'+ NAV_TITLE)
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: itemElem).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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bar.css({
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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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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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}, 300);
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}
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});
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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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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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});
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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 = $(this)
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,parent = thisA.parent()
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,child = thisA.siblings('.'+NAV_CHILD);
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//输出小箭头
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if(child[0] && !thisA.children('.'+NAV_MORE)[0]){
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thisA.append('<i class="layui-icon '+ NAV_DOWN +' '+ NAV_MORE +'"></i>');
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}
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thisA.off('click', call.clickThis).on('click', call.clickThis); //点击菜单
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});
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});
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}
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//面包屑
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,breadcrumb: function(){
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var ELEM = '.layui-breadcrumb';
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$(ELEM + elemFilter).each(function(){
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var othis = $(this)
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,ATTE_SPR = 'lay-separator'
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,separator = othis.attr(ATTE_SPR) || '/'
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,aNode = othis.find('a');
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if(aNode.next('span['+ ATTE_SPR +']')[0]) return;
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aNode.each(function(index){
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if(index === aNode.length - 1) return;
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$(this).after('<span '+ ATTE_SPR +'>'+ separator +'</span>');
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});
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othis.css('visibility', 'visible');
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});
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}
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//进度条
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,progress: function(){
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var ELEM = 'layui-progress';
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$('.' + ELEM + elemFilter).each(function(){
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var othis = $(this)
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,elemBar = othis.find('.layui-progress-bar')
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,percent = elemBar.attr('lay-percent');
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elemBar.css('width', function(){
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return /^.+\/.+$/.test(percent)
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? (new Function('return '+ percent)() * 100) + '%'
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: percent;
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}());
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if(othis.attr('lay-showPercent')){
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setTimeout(function(){
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elemBar.html('<span class="'+ ELEM +'-text">'+ percent +'</span>');
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},350);
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}
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});
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}
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//折叠面板
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,collapse: function(){
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var ELEM = 'layui-collapse';
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$('.' + ELEM + elemFilter).each(function(){
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var elemItem = $(this).find('.layui-colla-item')
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elemItem.each(function(){
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var othis = $(this)
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,elemTitle = othis.find('.layui-colla-title')
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,elemCont = othis.find('.layui-colla-content')
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,isNone = elemCont.css('display') === 'none';
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//初始状态
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elemTitle.find('.layui-colla-icon').remove();
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elemTitle.append('<i class="layui-icon layui-colla-icon">'+ (isNone ? '' : '') +'</i>');
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//点击标题
|
|
elemTitle.off('click', call.collapse).on('click', call.collapse);
|
|
});
|
|
|
|
});
|
|
}
|
|
};
|
|
|
|
return items[type] ? items[type]() : layui.each(items, function(index, item){
|
|
item();
|
|
});
|
|
};
|
|
|
|
Element.prototype.render = Element.prototype.init;
|
|
|
|
var element = new Element(), dom = $(document);
|
|
|
|
$(function(){
|
|
element.render();
|
|
});
|
|
|
|
var TITLE = '.layui-tab-title li';
|
|
dom.on('click', TITLE, call.tabClick); //Tab切换
|
|
dom.on('click', call.hideTabMore); //隐藏展开的Tab
|
|
$(window).on('resize', call.tabAuto); //自适应
|
|
|
|
exports(MOD_NAME, element);
|
|
});
|
|
|