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优化 tree 代码书写规范

pull/1307/head
贤心 2023-07-11 23:22:04 +08:00
parent 1ac8bba068
commit db67b7a9c3
1 changed files with 266 additions and 246 deletions
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512
src/modules/tree.js
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@ -5,95 +5,108 @@
layui.define('form', function(exports){
"use strict";
var $ = layui.$
,form = layui.form
,layer = layui.layer
var $ = layui.$;
var form = layui.form;
var layer = layui.layer;
//模块名
,MOD_NAME = 'tree'
// 模块名
var MOD_NAME = 'tree';
//外部接口
,tree = {
config: {}
,index: layui[MOD_NAME] ? (layui[MOD_NAME].index + 10000) : 0
// 外部接口
var tree = {
config: {},
index: layui[MOD_NAME] ? (layui[MOD_NAME].index + 10000) : 0,
//设置全局项
,set: function(options){
// 设置全局项
set: function(options){
var that = this;
that.config = $.extend({}, that.config, options);
return that;
}
},
//事件
,on: function(events, callback){
// 事件
on: function(events, callback){
return layui.onevent.call(this, MOD_NAME, events, callback);
}
}
};
//操作当前实例
,thisModule = function(){
var that = this
,options = that.config
,id = options.id || that.index;
// 操作当前实例
var thisModule = function(){
var that = this;
var options = that.config;
var id = options.id || that.index;
thisModule.that[id] = that; //记录当前实例对象
thisModule.config[id] = options; //记录当前实例配置项
thisModule.that[id] = that; // 记录当前实例对象
thisModule.config[id] = options; // 记录当前实例配置项
return {
config: options
//重置实例
,reload: function(options){
config: options,
// 重置实例
reload: function(options){
that.reload.call(that, options);
}
,getChecked: function(){
},
getChecked: function(){
return that.getChecked.call(that);
}
,setChecked: function(id){//设置值
},
setChecked: function(id){// 设置值
return that.setChecked.call(that, id);
}
}
}
};
//获取当前实例配置项
,getThisModuleConfig = function(id){
// 获取当前实例配置项
var getThisModuleConfig = function(id){
var config = thisModule.config[id];
if(!config) hint.error('The ID option was not found in the '+ MOD_NAME +' instance');
return config || null;
}
//字符常量
,SHOW = 'layui-show', HIDE = 'layui-hide', NONE = 'layui-none', DISABLED = 'layui-disabled'
// 字符常量
var SHOW = 'layui-show';
var HIDE = 'layui-hide';
var NONE = 'layui-none';
var DISABLED = 'layui-disabled';
,ELEM_VIEW = 'layui-tree', ELEM_SET = 'layui-tree-set', ICON_CLICK = 'layui-tree-iconClick'
,ICON_ADD = 'layui-icon-addition', ICON_SUB = 'layui-icon-subtraction', ELEM_ENTRY = 'layui-tree-entry', ELEM_MAIN = 'layui-tree-main', ELEM_TEXT = 'layui-tree-txt', ELEM_PACK = 'layui-tree-pack', ELEM_SPREAD = 'layui-tree-spread'
,ELEM_LINE_SHORT = 'layui-tree-setLineShort', ELEM_SHOW = 'layui-tree-showLine', ELEM_EXTEND = 'layui-tree-lineExtend'
var ELEM_VIEW = 'layui-tree';
var ELEM_SET = 'layui-tree-set';
var ICON_CLICK = 'layui-tree-iconClick';
var ICON_ADD = 'layui-icon-addition';
var ICON_SUB = 'layui-icon-subtraction';
var ELEM_ENTRY = 'layui-tree-entry';
var ELEM_MAIN = 'layui-tree-main';
var ELEM_TEXT = 'layui-tree-txt';
var ELEM_PACK = 'layui-tree-pack';
var ELEM_SPREAD = 'layui-tree-spread';
var ELEM_LINE_SHORT = 'layui-tree-setLineShort';
var ELEM_SHOW = 'layui-tree-showLine';
var ELEM_EXTEND = 'layui-tree-lineExtend';
//构造器
,Class = function(options){
// 构造器
var Class = function(options){
var that = this;
that.index = ++tree.index;
that.config = $.extend({}, that.config, tree.config, options);
that.render();
};
//默认配置
// 默认配置
Class.prototype.config = {
data: [] //数据
data: [], // 数据
,showCheckbox: false //是否显示复选框
,showLine: true //是否开启连接线
,accordion: false //是否开启手风琴模式
,onlyIconControl: false //是否仅允许节点左侧图标控制展开收缩
,isJump: false //是否允许点击节点时弹出新窗口跳转
,edit: false //是否开启节点的操作图标
showCheckbox: false, // 是否显示复选框
showLine: true, // 是否开启连接线
accordion: false, // 是否开启手风琴模式
onlyIconControl: false, // 是否仅允许节点左侧图标控制展开收缩
isJump: false, // 是否允许点击节点时弹出新窗口跳转
edit: false, // 是否开启节点的操作图标
,text: {
defaultNodeName: '未命名' //节点默认名称
,none: '无数据' //数据为空时的文本提示
text: {
defaultNodeName: '未命名', // 节点默认名称
none: '无数据' // 数据为空时的文本提示
}
};
//重载实例
// 重载实例
Class.prototype.reload = function(options){
var that = this;
@ -105,10 +118,10 @@ layui.define('form', function(exports){
that.render();
};
//主体渲染
// 主体渲染
Class.prototype.render = function(){
var that = this
,options = that.config;
var that = this;
var options = that.config;
that.checkids = [];
@ -118,10 +131,10 @@ layui.define('form', function(exports){
var othis = options.elem = $(options.elem);
if(!othis[0]) return;
//索引
// 索引
that.key = options.id || that.index;
//插入组件结构
// 插入组件结构
that.elem = temp;
that.elemNone = $('<div class="layui-tree-emptyText">'+ options.text.none +'</div>');
othis.html(that.elem);
@ -130,24 +143,24 @@ layui.define('form', function(exports){
return that.elem.append(that.elemNone);
};
//复选框渲染
// 复选框渲染
if(options.showCheckbox){
that.renderForm('checkbox');
};
that.elem.find('.layui-tree-set').each(function(){
var othis = $(this);
//最外层
// 最外层
if(!othis.parent('.layui-tree-pack')[0]){
othis.addClass('layui-tree-setHide');
};
//没有下一个节点 上一层父级有延伸线
// 没有下一个节点 上一层父级有延伸线
if(!othis.next()[0] && othis.parents('.layui-tree-pack').eq(1).hasClass('layui-tree-lineExtend')){
othis.addClass(ELEM_LINE_SHORT);
};
//没有下一个节点 外层最后一个
// 没有下一个节点 外层最后一个
if(!othis.next()[0] && !othis.parents('.layui-tree-set').eq(0).next()[0]){
othis.addClass(ELEM_LINE_SHORT);
};
@ -156,25 +169,25 @@ layui.define('form', function(exports){
that.events();
};
//渲染表单
// 渲染表单
Class.prototype.renderForm = function(type){
form.render(type, 'LAY-tree-'+ this.index);
};
//节点解析
// 节点解析
Class.prototype.tree = function(elem, children){
var that = this
,options = that.config
,data = children || options.data;
var that = this;
var options = that.config;
var data = children || options.data;
//遍历数据
// 遍历数据
layui.each(data, function(index, item){
var hasChild = item.children && item.children.length > 0
,packDiv = $('<div class="layui-tree-pack" '+ (item.spread ? 'style="display: block;"' : '') +'></div>')
,entryDiv = $(['<div data-id="'+ item.id +'" class="layui-tree-set'+ (item.spread ? " layui-tree-spread" : "") + (item.checked ? " layui-tree-checkedFirst" : "") +'">'
var hasChild = item.children && item.children.length > 0;
var packDiv = $('<div class="layui-tree-pack" '+ (item.spread ? 'style="display: block;"' : '') +'></div>');
var entryDiv = $(['<div data-id="'+ item.id +'" class="layui-tree-set'+ (item.spread ? " layui-tree-spread" : "") + (item.checked ? " layui-tree-checkedFirst" : "") +'">'
,'<div class="layui-tree-entry">'
,'<div class="layui-tree-main">'
//箭头
// 箭头
,function(){
if(options.showLine){
if(hasChild){
@ -187,12 +200,12 @@ layui.define('form', function(exports){
};
}()
//复选框
// 复选框
,function(){
return options.showCheckbox ? '<input type="checkbox" name="'+ (item.field || ('layuiTreeCheck_'+ item.id)) +'" same="layuiTreeCheck" lay-skin="primary" '+ (item.disabled ? "disabled" : "") +' value="'+ item.id +'">' : '';
}()
//节点
// 节点
,function(){
if(options.isJump && item.href){
return '<a href="'+ item.href +'" target="_blank" class="'+ ELEM_TEXT +'">'+ (item.title || item.label || options.text.defaultNodeName) +'</a>';
@ -202,7 +215,7 @@ layui.define('form', function(exports){
}()
,'</div>'
//节点操作图标
// 节点操作图标
,function(){
if(!options.edit) return '';
@ -225,7 +238,7 @@ layui.define('form', function(exports){
}()
,'</div></div>'].join(''));
//如果有子节点，则递归继续生成树
// 如果有子节点，则递归继续生成树
if(hasChild){
entryDiv.append(packDiv);
that.tree(packDiv, item.children);
@ -233,48 +246,48 @@ layui.define('form', function(exports){
elem.append(entryDiv);
//若有前置节点，前置节点加连接线
// 若有前置节点，前置节点加连接线
if(entryDiv.prev('.'+ELEM_SET)[0]){
entryDiv.prev().children('.layui-tree-pack').addClass('layui-tree-showLine');
};
//若无子节点，则父节点加延伸线
// 若无子节点，则父节点加延伸线
if(!hasChild){
entryDiv.parent('.layui-tree-pack').addClass('layui-tree-lineExtend');
};
//展开节点操作
// 展开节点操作
that.spread(entryDiv, item);
//选择框
// 选择框
if(options.showCheckbox){
item.checked && that.checkids.push(item.id);
that.checkClick(entryDiv, item);
}
//操作节点
// 操作节点
options.edit && that.operate(entryDiv, item);
});
};
//展开节点
// 展开节点
Class.prototype.spread = function(elem, item){
var that = this
,options = that.config
,entry = elem.children('.'+ELEM_ENTRY)
,elemMain = entry.children('.'+ ELEM_MAIN)
,elemIcon = entry.find('.'+ ICON_CLICK)
,elemText = entry.find('.'+ ELEM_TEXT)
,touchOpen = options.onlyIconControl ? elemIcon : elemMain //判断展开通过节点还是箭头图标
,state = '';
var that = this;
var options = that.config;
var entry = elem.children('.'+ELEM_ENTRY);
var elemMain = entry.children('.'+ ELEM_MAIN);
var elemIcon = entry.find('.'+ ICON_CLICK);
var elemText = entry.find('.'+ ELEM_TEXT);
var touchOpen = options.onlyIconControl ? elemIcon : elemMain; // 判断展开通过节点还是箭头图标
var state = '';
//展开收缩
// 展开收缩
touchOpen.on('click', function(e){
var packCont = elem.children('.'+ELEM_PACK)
,iconClick = touchOpen.children('.layui-icon')[0] ? touchOpen.children('.layui-icon') : touchOpen.find('.layui-tree-icon').children('.layui-icon');
//若没有子节点
// 若没有子节点
if(!packCont[0]){
state = 'normal';
}else{
@ -287,7 +300,7 @@ layui.define('form', function(exports){
packCont.slideDown(200);
iconClick.addClass(ICON_SUB).removeClass(ICON_ADD);
//是否手风琴
// 是否手风琴
if(options.accordion){
var sibls = elem.siblings('.'+ELEM_SET);
sibls.removeClass(ELEM_SPREAD);
@ -298,21 +311,21 @@ layui.define('form', function(exports){
};
});
//点击回调
// 点击回调
elemText.on('click', function(){
var othis = $(this);
//判断是否禁用状态
// 判断是否禁用状态
if(othis.hasClass(DISABLED)) return;
//判断展开收缩状态
// 判断展开收缩状态
if(elem.hasClass(ELEM_SPREAD)){
state = options.onlyIconControl ? 'open' : 'close';
} else {
state = options.onlyIconControl ? 'close' : 'open';
}
//点击产生的回调
// 点击产生的回调
options.click && options.click({
elem: elem
,state: state
@ -321,48 +334,48 @@ layui.define('form', function(exports){
});
};
//计算复选框选中状态
// 计算复选框选中状态
Class.prototype.setCheckbox = function(elem, item, elemCheckbox){
var that = this
,options = that.config
,checked = elemCheckbox.prop('checked');
var that = this;
var options = that.config;
var checked = elemCheckbox.prop('checked');
if(elemCheckbox.prop('disabled')) return;
//同步子节点选中状态
// 同步子节点选中状态
if(typeof item.children === 'object' || elem.find('.'+ELEM_PACK)[0]){
var childs = elem.find('.'+ ELEM_PACK).find('input[same="layuiTreeCheck"]');
childs.each(function(){
if(this.disabled) return; //不可点击则跳过
if(this.disabled) return; // 不可点击则跳过
this.checked = checked;
});
};
//同步父节点选中状态
// 同步父节点选中状态
var setParentsChecked = function(thisNodeElem){
//若无父节点，则终止递归
// 若无父节点，则终止递归
if(!thisNodeElem.parents('.'+ ELEM_SET)[0]) return;
var state
,parentPack = thisNodeElem.parent('.'+ ELEM_PACK)
,parentNodeElem = parentPack.parent()
,parentCheckbox = parentPack.prev().find('input[same="layuiTreeCheck"]');
var state;
var parentPack = thisNodeElem.parent('.'+ ELEM_PACK);
var parentNodeElem = parentPack.parent();
var parentCheckbox = parentPack.prev().find('input[same="layuiTreeCheck"]');
//如果子节点有任意一条选中，则父节点为选中状态
// 如果子节点有任意一条选中，则父节点为选中状态
if(checked){
parentCheckbox.prop('checked', checked);
} else { //如果当前节点取消选中，则根据计算“兄弟和子孙”节点选中状态，来同步父节点选中状态
} else { // 如果当前节点取消选中，则根据计算“兄弟和子孙”节点选中状态，来同步父节点选中状态
parentPack.find('input[same="layuiTreeCheck"]').each(function(){
if(this.checked){
state = true;
}
});
//如果兄弟子孙节点全部未选中，则父节点也应为非选中状态
// 如果兄弟子孙节点全部未选中，则父节点也应为非选中状态
state || parentCheckbox.prop('checked', false);
}
//向父节点递归
// 向父节点递归
setParentsChecked(parentNodeElem);
};
@ -371,157 +384,160 @@ layui.define('form', function(exports){
that.renderForm('checkbox');
};
//复选框选择
// 复选框选择
Class.prototype.checkClick = function(elem, item){
var that = this
,options = that.config
,entry = elem.children('.'+ ELEM_ENTRY)
,elemMain = entry.children('.'+ ELEM_MAIN);
var that = this;
var options = that.config;
var entry = elem.children('.'+ ELEM_ENTRY);
var elemMain = entry.children('.'+ ELEM_MAIN);
//点击复选框
// 点击复选框
elemMain.on('click', 'input[same="layuiTreeCheck"]+', function(e){
layui.stope(e); //阻止点击节点事件
layui.stope(e); // 阻止点击节点事件
var elemCheckbox = $(this).prev()
,checked = elemCheckbox.prop('checked');
var elemCheckbox = $(this).prev();
var checked = elemCheckbox.prop('checked');
if(elemCheckbox.prop('disabled')) return;
that.setCheckbox(elem, item, elemCheckbox);
//复选框点击产生的回调
// 复选框点击产生的回调
options.oncheck && options.oncheck({
elem: elem
,checked: checked
,data: item
elem: elem,
checked: checked,
data: item
});
});
};
//节点操作
// 节点操作
Class.prototype.operate = function(elem, item){
var that = this
,options = that.config
,entry = elem.children('.'+ ELEM_ENTRY)
,elemMain = entry.children('.'+ ELEM_MAIN);
var that = this;
var options = that.config;
var entry = elem.children('.'+ ELEM_ENTRY);
var elemMain = entry.children('.'+ ELEM_MAIN);
entry.children('.layui-tree-btnGroup').on('click', '.layui-icon', function(e){
layui.stope(e); //阻止节点操作
layui.stope(e); // 阻止节点操作
var type = $(this).data("type")
,packCont = elem.children('.'+ELEM_PACK)
,returnObj = {
data: item
,type: type
,elem:elem
var type = $(this).data("type");
var packCont = elem.children('.'+ELEM_PACK);
var returnObj = {
data: item,
type: type,
elem:elem
};
//增加
// 增加
if(type == 'add'){
//若节点本身无子节点
// 若节点本身无子节点
if(!packCont[0]){
//若开启连接线，更改图标样式
// 若开启连接线，更改图标样式
if(options.showLine){
elemMain.find('.'+ICON_CLICK).addClass('layui-tree-icon');
elemMain.find('.'+ICON_CLICK).children('.layui-icon').addClass(ICON_ADD).removeClass('layui-icon-file');
//若未开启连接线，显示箭头
}else{
// 若未开启连接线，显示箭头
} else {
elemMain.find('.layui-tree-iconArrow').removeClass(HIDE);
};
//节点添加子节点容器
// 节点添加子节点容器
elem.append('<div class="layui-tree-pack"></div>');
};
//新增节点
var key = options.operate && options.operate(returnObj)
,obj = {};
// 新增节点
var key = options.operate && options.operate(returnObj);
var obj = {};
obj.title = options.text.defaultNodeName;
obj.id = key;
that.tree(elem.children('.'+ELEM_PACK), [obj]);
//放在新增后面，因为要对元素进行操作
// 放在新增后面，因为要对元素进行操作
if(options.showLine){
//节点本身无子节点
// 节点本身无子节点
if(!packCont[0]){
//遍历兄弟节点，判断兄弟节点是否有子节点
var siblings = elem.siblings('.'+ELEM_SET), num = 1
,parentPack = elem.parent('.'+ELEM_PACK);
// 遍历兄弟节点，判断兄弟节点是否有子节点
var siblings = elem.siblings('.'+ELEM_SET)
var num = 1;
var parentPack = elem.parent('.'+ELEM_PACK);
layui.each(siblings, function(index, i){
if(!$(i).children('.'+ELEM_PACK)[0]){
num = 0;
};
});
//若兄弟节点都有子节点
// 若兄弟节点都有子节点
if(num == 1){
//兄弟节点添加连接线
// 兄弟节点添加连接线
siblings.children('.'+ELEM_PACK).addClass(ELEM_SHOW);
siblings.children('.'+ELEM_PACK).children('.'+ELEM_SET).removeClass(ELEM_LINE_SHORT);
elem.children('.'+ELEM_PACK).addClass(ELEM_SHOW);
//父级移除延伸线
// 父级移除延伸线
parentPack.removeClass(ELEM_EXTEND);
//同层节点最后一个更改线的状态
// 同层节点最后一个更改线的状态
parentPack.children('.'+ELEM_SET).last().children('.'+ELEM_PACK).children('.'+ELEM_SET).last().addClass(ELEM_LINE_SHORT);
}else{
} else {
elem.children('.'+ELEM_PACK).children('.'+ELEM_SET).addClass(ELEM_LINE_SHORT);
};
}else{
//添加延伸线
} else {
// 添加延伸线
if(!packCont.hasClass(ELEM_EXTEND)){
packCont.addClass(ELEM_EXTEND);
};
//子节点添加延伸线
// 子节点添加延伸线
elem.find('.'+ELEM_PACK).each(function(){
$(this).children('.'+ELEM_SET).last().addClass(ELEM_LINE_SHORT);
});
//如果前一个节点有延伸线
// 如果前一个节点有延伸线
if(packCont.children('.'+ELEM_SET).last().prev().hasClass(ELEM_LINE_SHORT)){
packCont.children('.'+ELEM_SET).last().prev().removeClass(ELEM_LINE_SHORT);
}else{
//若之前的没有，说明处于连接状态
// 若之前的没有，说明处于连接状态
packCont.children('.'+ELEM_SET).last().removeClass(ELEM_LINE_SHORT);
};
//若是最外层，要始终保持相连的状态
// 若是最外层，要始终保持相连的状态
if(!elem.parent('.'+ELEM_PACK)[0] && elem.next()[0]){
packCont.children('.'+ELEM_SET).last().removeClass(ELEM_LINE_SHORT);
};
};
};
if(!options.showCheckbox) return;
//若开启复选框，同步新增节点状态
// 若开启复选框，同步新增节点状态
if(elemMain.find('input[same="layuiTreeCheck"]')[0].checked){
var packLast = elem.children('.'+ELEM_PACK).children('.'+ELEM_SET).last();
packLast.find('input[same="layuiTreeCheck"]')[0].checked = true;
};
that.renderForm('checkbox');
//修改
}else if(type == 'update'){
// 修改
} else if(type == 'update') {
var text = elemMain.children('.'+ ELEM_TEXT).html();
elemMain.children('.'+ ELEM_TEXT).html('');
//添加输入框，覆盖在文字上方
// 添加输入框，覆盖在文字上方
elemMain.append('<input type="text" class="layui-tree-editInput">');
//获取焦点
// 获取焦点
elemMain.children('.layui-tree-editInput').val(text).focus();
//嵌入文字移除输入框
// 嵌入文字移除输入框
var getVal = function(input){
var textNew = input.val().trim();
textNew = textNew ? textNew : options.text.defaultNodeName;
input.remove();
elemMain.children('.'+ ELEM_TEXT).html(textNew);
//同步数据
// 同步数据
returnObj.data.title = textNew;
//节点修改的回调
// 节点修改的回调
options.operate && options.operate(returnObj);
};
//失去焦点
// 失去焦点
elemMain.children('.layui-tree-editInput').blur(function(){
getVal($(this));
});
//回车
// 回车
elemMain.children('.layui-tree-editInput').on('keydown', function(e){
if(e.keyCode === 13){
e.preventDefault();
@ -529,116 +545,120 @@ layui.define('form', function(exports){
};
});
//删除
// 删除
} else {
layer.confirm('确认删除该节点 "<span style="color: #999;">'+ (item.title || '') +'</span>" 吗？', function(index){
options.operate && options.operate(returnObj); //节点删除的回调
returnObj.status = 'remove'; //标注节点删除
options.operate && options.operate(returnObj); // 节点删除的回调
returnObj.status = 'remove'; // 标注节点删除
layer.close(index);
//若删除最后一个，显示空数据提示
// 若删除最后一个，显示空数据提示
if(!elem.prev('.'+ELEM_SET)[0] && !elem.next('.'+ELEM_SET)[0] && !elem.parent('.'+ELEM_PACK)[0]){
elem.remove();
that.elem.append(that.elemNone);
return;
};
//若有兄弟节点
// 若有兄弟节点
if(elem.siblings('.'+ELEM_SET).children('.'+ELEM_ENTRY)[0]){
//若开启复选框
// 若开启复选框
if(options.showCheckbox){
//若开启复选框，进行下步操作
// 若开启复选框，进行下步操作
var elemDel = function(elem){
//若无父结点，则不执行
// 若无父结点，则不执行
if(!elem.parents('.'+ELEM_SET)[0]) return;
var siblingTree = elem.siblings('.'+ELEM_SET).children('.'+ELEM_ENTRY)
,parentTree = elem.parent('.'+ELEM_PACK).prev()
,checkState = parentTree.find('input[same="layuiTreeCheck"]')[0]
,state = 1, num = 0;
//若父节点未勾选
var siblingTree = elem.siblings('.'+ELEM_SET).children('.'+ELEM_ENTRY);
var parentTree = elem.parent('.'+ELEM_PACK).prev();
var checkState = parentTree.find('input[same="layuiTreeCheck"]')[0];
var state = 1;
var num = 0;
// 若父节点未勾选
if(checkState.checked == false){
//遍历兄弟节点
// 遍历兄弟节点
siblingTree.each(function(i, item1){
var input = $(item1).find('input[same="layuiTreeCheck"]')[0]
if(input.checked == false && !input.disabled){
state = 0;
};
//判断是否全为不可勾选框
// 判断是否全为不可勾选框
if(!input.disabled){
num = 1;
};
});
//若有可勾选选择框并且已勾选
// 若有可勾选选择框并且已勾选
if(state == 1 && num == 1){
//勾选父节点
// 勾选父节点
checkState.checked = true;
that.renderForm('checkbox');
//向上遍历祖先节点
// 向上遍历祖先节点
elemDel(parentTree.parent('.'+ELEM_SET));
};
};
};
elemDel(elem);
};
//若开启连接线
// 若开启连接线
if(options.showLine){
//遍历兄弟节点，判断兄弟节点是否有子节点
var siblings = elem.siblings('.'+ELEM_SET), num = 1
,parentPack = elem.parent('.'+ELEM_PACK);
// 遍历兄弟节点，判断兄弟节点是否有子节点
var siblings = elem.siblings('.'+ELEM_SET);
var num = 1;
var parentPack = elem.parent('.'+ELEM_PACK);
layui.each(siblings, function(index, i){
if(!$(i).children('.'+ELEM_PACK)[0]){
num = 0;
};
});
//若兄弟节点都有子节点
// 若兄弟节点都有子节点
if(num == 1){
//若节点本身无子节点
// 若节点本身无子节点
if(!packCont[0]){
//父级去除延伸线，因为此时子节点里没有空节点
// 父级去除延伸线，因为此时子节点里没有空节点
parentPack.removeClass(ELEM_EXTEND);
siblings.children('.'+ELEM_PACK).addClass(ELEM_SHOW);
siblings.children('.'+ELEM_PACK).children('.'+ELEM_SET).removeClass(ELEM_LINE_SHORT);
};
//若为最后一个节点
// 若为最后一个节点
if(!elem.next()[0]){
elem.prev().children('.'+ELEM_PACK).children('.'+ELEM_SET).last().addClass(ELEM_LINE_SHORT);
}else{
parentPack.children('.'+ELEM_SET).last().children('.'+ELEM_PACK).children('.'+ELEM_SET).last().addClass(ELEM_LINE_SHORT);
};
//若为最外层最后一个节点，去除前一个结点的连接线
// 若为最外层最后一个节点，去除前一个结点的连接线
if(!elem.next()[0] && !elem.parents('.'+ELEM_SET)[1] && !elem.parents('.'+ELEM_SET).eq(0).next()[0]){
elem.prev('.'+ELEM_SET).addClass(ELEM_LINE_SHORT);
};
}else{
//若为最后一个节点且有延伸线
// 若为最后一个节点且有延伸线
if(!elem.next()[0] && elem.hasClass(ELEM_LINE_SHORT)){
elem.prev().addClass(ELEM_LINE_SHORT);
};
};
};
}else{
//若无兄弟节点
} else {
// 若无兄弟节点
var prevDiv = elem.parent('.'+ELEM_PACK).prev();
//若开启了连接线
// 若开启了连接线
if(options.showLine){
prevDiv.find('.'+ICON_CLICK).removeClass('layui-tree-icon');
prevDiv.find('.'+ICON_CLICK).children('.layui-icon').removeClass(ICON_SUB).addClass('layui-icon-file');
//父节点所在层添加延伸线
// 父节点所在层添加延伸线
var pare = prevDiv.parents('.'+ELEM_PACK).eq(0);
pare.addClass(ELEM_EXTEND);
//兄弟节点最后子节点添加延伸线
// 兄弟节点最后子节点添加延伸线
pare.children('.'+ELEM_SET).each(function(){
$(this).children('.'+ELEM_PACK).children('.'+ELEM_SET).last().addClass(ELEM_LINE_SHORT);
});
}else{
//父节点隐藏箭头
// 父节点隐藏箭头
prevDiv.find('.layui-tree-iconArrow').addClass(HIDE);
};
//移除展开属性
// 移除展开属性
elem.parents('.'+ELEM_SET).eq(0).removeClass(ELEM_SPREAD);
//移除节点容器
// 移除节点容器
elem.parent('.'+ELEM_PACK).remove();
};
@ -649,32 +669,32 @@ layui.define('form', function(exports){
});
};
//部分事件
// 部分事件
Class.prototype.events = function(){
var that = this
,options = that.config
,checkWarp = that.elem.find('.layui-tree-checkedFirst');
var that = this;
var options = that.config;
var checkWarp = that.elem.find('.layui-tree-checkedFirst');
//初始选中
// 初始选中
that.setChecked(that.checkids);
//搜索
// 搜索
that.elem.find('.layui-tree-search').on('keyup', function(){
var input = $(this)
,val = input.val()
,pack = input.nextAll()
,arr = [];
var input = $(this);
var val = input.val();
var pack = input.nextAll();
var arr = [];
//遍历所有的值
// 遍历所有的值
pack.find('.'+ ELEM_TEXT).each(function(){
var entry = $(this).parents('.'+ELEM_ENTRY);
//若值匹配，加一个类以作标识
// 若值匹配，加一个类以作标识
if($(this).html().indexOf(val) != -1){
arr.push($(this).parent());
var select = function(div){
div.addClass('layui-tree-searchShow');
//向上父节点渲染
// 向上父节点渲染
if(div.parent('.'+ELEM_PACK)[0]){
select(div.parent('.'+ELEM_PACK).parent('.'+ELEM_SET));
};
@ -683,7 +703,7 @@ layui.define('form', function(exports){
};
});
//根据标志剔除
// 根据标志剔除
pack.find('.'+ELEM_ENTRY).each(function(){
var parent = $(this).parent('.'+ELEM_SET);
if(!parent.hasClass('layui-tree-searchShow')){
@ -694,13 +714,13 @@ layui.define('form', function(exports){
that.elem.append(that.elemNone);
};
//节点过滤的回调
// 节点过滤的回调
options.onsearch && options.onsearch({
elem: arr
});
});
//还原搜索初始状态
// 还原搜索初始状态
that.elem.find('.layui-tree-search').on('keydown', function(){
$(this).nextAll().find('.'+ELEM_ENTRY).each(function(){
var parent = $(this).parent('.'+ELEM_SET);
@ -710,19 +730,19 @@ layui.define('form', function(exports){
});
};
//得到选中节点
// 得到选中节点
Class.prototype.getChecked = function(){
var that = this
,options = that.config
,checkId = []
,checkData = [];
var that = this;
var options = that.config;
var checkId = [];
var checkData = [];
//遍历节点找到选中索引
// 遍历节点找到选中索引
that.elem.find('.layui-form-checked').each(function(){
checkId.push($(this).prev()[0].value);
});
//遍历节点
// 遍历节点
var eachNodes = function(data, checkNode){
layui.each(data, function(index, item){
layui.each(checkId, function(index2, item2){
@ -747,18 +767,18 @@ layui.define('form', function(exports){
return checkData;
};
//设置选中节点
// 设置选中节点
Class.prototype.setChecked = function(checkedId){
var that = this
,options = that.config;
var that = this;
var options = that.config;
//初始选中
// 初始选中
that.elem.find('.'+ELEM_SET).each(function(i, item){
var thisId = $(this).data('id')
,input = $(item).children('.'+ELEM_ENTRY).find('input[same="layuiTreeCheck"]')
,reInput = input.next();
var thisId = $(this).data('id');
var input = $(item).children('.'+ELEM_ENTRY).find('input[same="layuiTreeCheck"]');
var reInput = input.next();
//若返回数字
// 若返回数字
if(typeof checkedId === 'number'){
if(thisId.toString() == checkedId.toString()){
if(!input[0].checked){
@ -767,7 +787,7 @@ layui.define('form', function(exports){
return false;
};
}
//若返回数组
// 若返回数组
else if(typeof checkedId === 'object'){
layui.each(checkedId, function(index, value){
if(value.toString() == thisId.toString() && !input[0].checked){
@ -779,11 +799,11 @@ layui.define('form', function(exports){
});
};
//记录所有实例
thisModule.that = {}; //记录所有实例对象
thisModule.config = {}; //记录所有实例配置项
// 记录所有实例
thisModule.that = {}; // 记录所有实例对象
thisModule.config = {}; // 记录所有实例配置项
//重载实例
// 重载实例
tree.reload = function(id, options){
var that = thisModule.that[id];
that.reload(options);
@ -791,19 +811,19 @@ layui.define('form', function(exports){
return thisModule.call(that);
};
//获得选中的节点数据
// 获得选中的节点数据
tree.getChecked = function(id){
var that = thisModule.that[id];
return that.getChecked();
};
//设置选中节点
// 设置选中节点
tree.setChecked = function(id, checkedId){
var that = thisModule.that[id];
return that.setChecked(checkedId);
};
//核心入口
// 核心入口
tree.render = function(options){
var inst = new Class(options);
return thisModule.call(inst);