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treeTable.js
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/** 树形表格3.x Created by wangfan on 2020-05-12 https://gitee.com/whvse/treetable-lay */
layui.define(['laytpl', 'form', 'util'], function (exports) {
var $ = layui.jquery;
var laytpl = layui.laytpl;
var form = layui.form;
var util = layui.util;
var device = layui.device();
var MOD_NAME = 'treeTable'; // 模块名
var _instances = {}; // 记录所有实例
/* 表格默认参数 */
var defaultOption = {
elem: undefined, // 容器
cols: undefined, // 列参数
url: undefined, // url模式请求
method: undefined, // url模式请求方式
where: undefined, // url模式请求条件
contentType: undefined, // url模式请求类型
headers: undefined, // url模式请求headers
parseData: undefined, // url模式处理请求数据
request: {pidName: 'pid'}, // url模式请求字段自定义
toolbar: undefined, // 表头工具栏
defaultToolbar: undefined, // 表头工具栏右侧按钮
width: undefined, // 容器宽度
height: undefined, // 容器高度
cellMinWidth: 90, // 单元格最小宽度
done: undefined, // 数据处理完回调
data: undefined, // 直接赋值数据
title: undefined, // 定义table大标题，文件导出会用到
skin: undefined, // 表格风格
even: undefined, // 是否开启隔行变色
size: undefined, // 表格尺寸
text: {
none: '无数据' // 空数据提示
},
reqData: undefined, // 自定义加载数据方法
useAdmin: false, // 是否使用admin.ajax
tree: {
idName: 'id', // id的字段名
pidName: 'pid', // pid的字段名
childName: 'children', // children的字段名
haveChildName: 'haveChild', // 是否有children标识的字段名
openName: 'open', // 是否默认展开的字段名
iconIndex: 0, // 图标列的索引
arrowType: undefined, // 折叠箭头类型
onlyIconControl: undefined, // 仅点击图标控制展开折叠
getIcon: function (d) { // 自定义图标
var haveChild = d[this.haveChildName];
if (haveChild !== undefined) haveChild = haveChild === true || haveChild === 'true';
else if (d[this.childName]) haveChild = d[this.childName].length > 0;
if (haveChild) return '<i class="ew-tree-icon layui-icon layui-icon-layer"></i>';
else return '<i class="ew-tree-icon layui-icon layui-icon-file"></i>';
}
}
};
/* 列默认参数 */
var colDefaultOption = {
field: undefined, // 字段名
title: undefined, // 标题
width: undefined, // 宽度
minWidth: undefined, // 最小宽度
type: 'normal', // 列类型
fixed: undefined, // 固定列
hide: undefined, // 是否初始隐藏列
unresize: undefined, // 禁用拖拽列宽
style: undefined, // 单元格样式
align: undefined, // 对齐方式
colspan: undefined, // 单元格所占的列数
rowspan: undefined, // 单元格所占的行数
templet: undefined, // 自定义模板
toolbar: undefined, // 工具列
'class': undefined, // 单元格class
singleLine: undefined // 是否一行显示
};
/** TreeTable类构造方法 */
var TreeTable = function (options) {
_instances[options.elem.substring(1)] = this;
this.reload(options);
};
/** 参数设置 */
TreeTable.prototype.initOptions = function (opt) {
var that = this;
// 处理特殊列
function initCol(item) {
if (!item.INIT_OK) item = $.extend({INIT_OK: true}, colDefaultOption, item);
// 特殊列处理
if (item.type === 'space') { // 空列
if (!item.width) item.width = 15;
item.minWidth = item.width;
} else if (item.type === 'numbers') { // 序号列
if (!item.width) item.width = 40;
item.minWidth = item.width;
if (!item.singleLine) item.singleLine = false;
if (!item.unresize) item.unresize = true;
if (!item.align) item.align = 'center';
} else if (item.type === 'checkbox' || item.type === 'radio') { // 复/单选框列
if (!item.width) item.width = 48;
item.minWidth = item.width;
if (!item.singleLine) item.singleLine = false;
if (!item.unresize) item.unresize = true;
if (!item.align) item.align = 'center';
}
if (item.toolbar) item.type = 'tool';
return item;
}
// 初始化列参数
if ('Array' !== isClass(opt.cols[0])) opt.cols = [opt.cols];
// 恢复cols参数初始状态
for (var m = 0; m < opt.cols.length; m++) {
for (var n = 0; n < opt.cols[m].length; n++) {
opt.cols[m][n].INIT_OK = undefined;
opt.cols[m][n].key = undefined;
opt.cols[m][n].colGroup = undefined;
opt.cols[m][n].HAS_PARENT = undefined;
opt.cols[m][n].parentKey = undefined;
opt.cols[m][n].PARENT_COL_INDEX = undefined;
}
}
// cols参数处理
var colArrays = [], colIndex = 0;
for (var i1 = 0; i1 < opt.cols.length; i1++) {
var item1 = opt.cols[i1];
for (var i2 = 0; i2 < item1.length; i2++) {
var item2 = item1[i2];
if (!item2) {
item1.splice(i2, 1);
continue;
}
item2 = initCol(item2);
// 合并单元格处理
item2.key = i1 + '-' + i2;
var CHILD_COLS = undefined;
if (item2.colGroup || item2.colspan > 1) {
item2.colGroup = true;
item2.type = 'group';
CHILD_COLS = [];
colIndex++;
var childIndex = 0;
for (var i22 = 0; i22 < opt.cols[i1 + 1].length; i22++) {
var item22 = $.extend({INIT_OK: true}, colDefaultOption, opt.cols[i1 + 1][i22]);
if (item22.HAS_PARENT || (childIndex > 1 && childIndex == item2.colspan)) {
opt.cols[i1 + 1][i22] = item22;
continue;
}
item22.HAS_PARENT = true;
item22.parentKey = i1 + '-' + i2;
item22.key = (i1 + 1) + '-' + i22;
item22.PARENT_COL_INDEX = colIndex;
item22 = initCol(item22);
CHILD_COLS.push(item22);
childIndex = childIndex + parseInt(item22.colspan > 1 ? item22.colspan : 1);
opt.cols[i1 + 1][i22] = item22;
}
}
item2.CHILD_COLS = CHILD_COLS;
if (!item2.PARENT_COL_INDEX) colArrays.push(item2);
opt.cols[i1][i2] = item2;
}
}
this.options = $.extend(true, {}, defaultOption, opt);
this.options.colArrays = colArrays;
// url加载模式转为reqData模式
if (this.options.url) {
this.options.reqData = function (data, callback) {
if (!that.options.where) that.options.where = {};
if (data) that.options.where[that.options.request.pidName] = data[that.options.tree.idName];
(that.options.useAdmin ? layui.admin : $).ajax({
url: that.options.url,
data: that.options.contentType && that.options.contentType.indexOf('application/json') === 0 ? JSON.stringify(that.options.where) : that.options.where,
headers: that.options.headers,
type: that.options.method,
dataType: 'json',
contentType: that.options.contentType,
success: function (res) {
if (that.options.parseData) res = that.options.parseData(res);
if (res.code == 0) callback(res.data);
else callback(res.msg || '加载失败');
},
error: function (xhr) {
callback(xhr.status + ' - ' + xhr.statusText);
}
});
};
} else if (this.options.data && this.options.data.length > 0 && this.options.tree.isPidData) { // pid形式数据转children形式
this.options.data = tt.pidToChildren(this.options.data, this.options.tree.idName, this.options.tree.pidName, this.options.tree.childName);
}
// toolbar参数处理
if ('default' === this.options.toolbar) {
this.options.toolbar = [
'<div>',
' <div class="ew-tree-table-tool-item" title="添加" lay-event="add">',
' <i class="layui-icon layui-icon-add-1"></i>',
' </div>',
' <div class="ew-tree-table-tool-item" title="修改" lay-event="update">',
' <i class="layui-icon layui-icon-edit"></i>',
' </div>',
' <div class="ew-tree-table-tool-item" title="删除" lay-event="delete">',
' <i class="layui-icon layui-icon-delete"></i>',
' </div>',
'</div>'
].join('');
}
if (this.options.defaultToolbar === undefined) this.options.defaultToolbar = ['filter', 'exports', 'print'];
// 自定义图标参数处理
if (typeof this.options.tree.getIcon === 'string') {
var icon = this.options.tree.getIcon;
this.options.tree.getIcon = function (d) {
if (icon !== 'ew-tree-icon-style2') return icon;
var haveChild = d[this.haveChildName];
if (haveChild !== undefined) haveChild = haveChild === true || haveChild === 'true';
else if (d[this.childName]) haveChild = d[this.childName].length > 0;
if (haveChild) return '<i class="ew-tree-icon ew-tree-icon-folder"></i>';
else return '<i class="ew-tree-icon ew-tree-icon-file"></i>';
}
}
};
/** 初始化表格 */
TreeTable.prototype.init = function () {
var options = this.options;
var $elem = $(options.elem); // 原始表格
var tbFilter = options.elem.substring(1); // 表格的filter
// 第一次生成树表格dom
$elem.removeAttr('lay-filter');
if ($elem.next('.ew-tree-table').length === 0) {
$elem.css('display', 'none');
$elem.after([
'<div class="layui-form ew-tree-table" lay-filter="', tbFilter, '" style="', options.style || '', '">',
' <div class="ew-tree-table-tool" style="display: none;"></div>',
' <div class="ew-tree-table-head">',
' <table class="layui-table"></table>',
' </div>',
' <div class="ew-tree-table-box">',
' <table class="layui-table"></table>',
' <div class="ew-tree-table-loading">',
' <i class="layui-icon layui-icon-loading layui-anim layui-anim-rotate layui-anim-loop"></i>',
' </div>',
' <div class="ew-tree-table-empty">', options.text.none || '', '</div>',
' </div>',
'</div>'
].join(''));
}
// 获取各个组件
var components = this.getComponents();
// 基础参数设置
if (options.skin) components.$table.attr('lay-skin', options.skin);
if (options.size) components.$table.attr('lay-size', options.size);
if (options.even) components.$table.attr('lay-even', options.even);
// 头部工具栏
components.$toolbar.empty();
if (options.toolbar === false || options.toolbar === undefined) {
components.$toolbar.hide();
} else {
components.$toolbar.show();
if (typeof options.toolbar === 'string') {
laytpl($(options.toolbar).html()).render({}, function (html) {
components.$toolbar.html('<div style="display: inline-block;">' + html + '</div>');
});
}
var tbRights = ['<div class="ew-tree-table-tool-right">'];
for (var i = 0; i < options.defaultToolbar.length; i++) {
var tbItem;
if ('filter' === options.defaultToolbar[i]) {
tbItem = {title: '筛选', layEvent: 'LAYTABLE_COLS', icon: 'layui-icon-cols'};
} else if ('exports' === options.defaultToolbar[i]) {
tbItem = {title: '导出', layEvent: 'LAYTABLE_EXPORT', icon: 'layui-icon-export'};
} else if ('print' === options.defaultToolbar[i]) {
tbItem = {title: '打印', layEvent: 'LAYTABLE_PRINT', icon: 'layui-icon-print'};
} else {
tbItem = options.defaultToolbar[i];
}
if (tbItem) {
tbRights.push('<div class="ew-tree-table-tool-item"');
tbRights.push(' title="' + tbItem.title + '"');
tbRights.push(' lay-event="' + tbItem.layEvent + '">');
tbRights.push('<i class="layui-icon ' + tbItem.icon + '"></i></div>');
}
}
components.$toolbar.append(tbRights.join('') + '</div>');
}
// 固定宽度
if (options.width) {
components.$view.css('width', options.width);
components.$tHeadGroup.css('width', options.width);
components.$tBodyGroup.css('width', options.width);
}
// 表格尺寸设置
var colgroupHtml = this.resize(true);
// 生成thead
var headHtml = '<thead>' + this.renderBodyTh() + '</thead>';
// 渲染表头及空的表主体的结构
components.$tBodyGroup.children('style').remove();
if (options.height) { // 固定表头
components.$tHead.html(colgroupHtml + headHtml);
components.$tBody.html(colgroupHtml + '<tbody></tbody>');
if (options.height.indexOf('full-') === 0) { // 差值高度
var h = parseFloat(options.height.substring(5)) + components.$toolbar.outerHeight()
+ components.$tHeadGroup.outerHeight() + 1;
components.$tBodyGroup.append([
'<style>[lay-filter="', tbFilter, '"] .ew-tree-table-box {',
' height: ', getPageHeight() - h, 'px;',
' height: -moz-calc(100vh - ', h, 'px);',
' height: -webkit-calc(100vh - ', h, 'px);',
' height: calc(100vh - ', h, 'px);',
'}</style>'
].join(''));
components.$tBodyGroup.data('full', h);
components.$tBodyGroup.css('height', '');
} else { // 固定高度
components.$tBodyGroup.css('height', options.height);
components.$tBodyGroup.data('full', '');
}
components.$tHeadGroup.show();
} else {
components.$tHeadGroup.hide();
var trH = {lg: 50, sm: 30, md: 38};
components.$tBodyGroup.append([
'<style>[lay-filter="', tbFilter, '"] .ew-tree-table-box:before {',
' content: "";',
' position: absolute;',
' top: 0; left: 0; right: 0;',
' height: ' + (trH[options.size || 'md'] * options.cols.length) + 'px;',
' background-color: #f2f2f2;',
' border-bottom: 1px solid #e6e6e6;',
'}</style>'
].join(''));
components.$tBody.html(colgroupHtml + headHtml + '<tbody></tbody>');
}
form.render('checkbox', tbFilter); // 渲染表头的表单元素
// 默认隐藏列修正colspan
function patchHide($tr) {
var parentKey = $tr.data('parent'), pCol;
if (!parentKey) return;
var $parent = components.$table.children('thead').children('tr').children('[data-key="' + parentKey + '"]');
var colspan = $parent.attr('colspan') - 1;
$parent.attr('colspan', colspan);
if (colspan === 0) $parent.addClass('layui-hide');
patchHide($parent);
}
components.$table.children('thead').children('tr').children('th.layui-hide').each(function () {
patchHide($(this));
});
// 渲染数据
if (options.reqData) { // 异步加载
this.options.data = undefined;
this.renderBodyAsync();
} else if (options.data && options.data.length > 0) {
this.renderBodyData(options.data);
} else {
components.$loading.hide();
components.$empty.show();
}
};
/** 绑定各项事件 */
TreeTable.prototype.bindEvents = function () {
var that = this;
var options = this.options;
var components = this.getComponents();
var $allBody = components.$table.children('tbody');
/* 行事件公共返回对象 */
var member = function (ext) {
// 获取行dom
var $tr = $(this);
if (!$tr.is('tr')) {
var $temp = $tr.parent('tr');
if ($temp.length > 0) $tr = $temp;
else $tr = $tr.parentsUntil('tr').last().parent();
}
var data = that.getDataByTr($tr); // 行对应数据
var obj = {
tr: $tr,
data: data,
del: function () { // 删除行
var index = $tr.data('index');
var indent = parseInt($tr.data('indent'));
// 删除子级
$tr.nextAll('tr').each(function () {
if (parseInt($(this).data('indent')) <= indent) return false;
$(this).remove();
});
// 更新后面同辈的index
var indexLength = (typeof index === 'number' ? 1 : index.split('-').length);
$tr.nextAll('tr').each(function () {
var $this = $(this);
if (parseInt($this.data('indent')) < indent) return false;
var _index = $this.data('index').toString().split('-');
_index[indexLength - 1] = parseInt(_index[indexLength - 1]) - 1;
$this.data('index', _index.join('-'));
});
// 删除当前行
var $pTr = $tr.prevAll('tr');
that.del(undefined, index);
$tr.remove();
that.renderNumberCol(); // 渲染序号列
// 联动父级多选框
$pTr.each(function () {
var tInd = parseInt($(this).data('indent'));
if (tInd >= indent) return true;
that.checkParentCB($(this));
indent = tInd;
});
that.checkChooseAllCB(); // 联动全选框
if (options.data.length === 0) components.$empty.show();
updateFixedTbHead(components.$view); // 更新滚动条补丁
},
update: function (fields) { // 修改行
data = $.extend(true, data, fields);
var indent = parseInt($tr.data('indent'));
that.renderBodyTr(data, indent, undefined, $tr); // 更新界面
form.render(null, components.filter); // 渲染表单元素
that.renderNumberCol(); // 渲染序号列
// 联动父级多选框
$tr.prevAll('tr').each(function () {
var tInd = parseInt($(this).data('indent'));
if (tInd >= indent) return true;
that.checkParentCB($(this));
indent = tInd;
});
that.checkChooseAllCB(); // 联动全选框
}
};
return $.extend(obj, ext);
};
// 绑定折叠展开事件
$allBody.off('click.fold').on('click.fold', '.ew-tree-pack', function (e) {
layui.stope(e);
var $tr = $(this).parentsUntil('tr').last().parent();
if ($tr.hasClass('ew-tree-table-loading')) return; // 已是加载中
var haveChild = $tr.data('have-child');
if (haveChild !== true && haveChild !== 'true') return; // 子节点
var open = $tr.hasClass('ew-tree-table-open');
var data = that.getDataByTr($tr);
if (!open && !data[options.tree.childName]) {
that.renderBodyAsync(data, $tr);
} else {
data[options.tree.openName] = toggleRow($tr);
}
});
// 绑定lay-event事件
$allBody.off('click.tool').on('click.tool', '*[lay-event]', function (e) {
layui.stope(e);
var $this = $(this);
layui.event.call(this, MOD_NAME, 'tool(' + components.filter + ')', member.call(this, {
event: $this.attr('lay-event')
}));
});
// 绑定单选框事件
form.on('radio(' + components.radioFilter + ')', function (data) {
var d = that.getDataByTr($(data.elem).parentsUntil('tr').last().parent());
that.removeAllChecked();
d.LAY_CHECKED = true; // 同时更新数据
d.LAY_INDETERMINATE = false;
layui.event.call(this, MOD_NAME, 'checkbox(' + components.filter + ')',
{checked: true, data: d, type: 'one'});
});
// 绑定复选框事件
form.on('checkbox(' + components.checkboxFilter + ')', function (data) {
var checked = data.elem.checked;
var $cb = $(data.elem);
var $layCb = $cb.next('.layui-form-checkbox');
// 如果是半选状态，点击全选
if (!checked && $cb.hasClass('ew-form-indeterminate')) {
checked = true;
$cb.prop('checked', checked);
$layCb.addClass('layui-form-checked');
$cb.removeClass('ew-form-indeterminate');
}
var $tr = $cb.parentsUntil('tr').last().parent();
var d = that.getDataByTr($tr);
d.LAY_CHECKED = checked; // 同时更新数据
d.LAY_INDETERMINATE = false;
// 联动操作
if (d[options.tree.childName] && d[options.tree.childName].length > 0) {
that.checkSubCB($tr, checked); // 联动子级
}
var indent = parseInt($tr.data('indent'));
$tr.prevAll('tr').each(function () {
var tInd = parseInt($(this).data('indent'));
if (tInd < indent) {
that.checkParentCB($(this)); // 联动父级
indent = tInd;
}
});
that.checkChooseAllCB(); // 联动全选框
// 回调事件
layui.event.call(this, MOD_NAME, 'checkbox(' + components.filter + ')',
{checked: checked, data: d, type: 'more'});
});
// 绑定全选复选框事件
form.on('checkbox(' + components.chooseAllFilter + ')', function (data) {
var checked = data.elem.checked;
var $cb = $(data.elem);
var $layCb = $cb.next('.layui-form-checkbox');
if (!options.data || options.data.length === 0) { // 如果数据为空
$cb.prop('checked', false);
$layCb.removeClass('layui-form-checked');
$cb.removeClass('ew-form-indeterminate');
return;
}
// 如果是半选状态，点击全选
if (!checked && $cb.hasClass('ew-form-indeterminate')) {
checked = true;
$cb.prop('checked', checked);
$layCb.addClass('layui-form-checked');
$cb.removeClass('ew-form-indeterminate');
}
layui.event.call(this, MOD_NAME, 'checkbox(' + components.filter + ')', {checked: checked, type: 'all'});
that.checkSubCB(components.$tBody.children('tbody'), checked); // 联动操作
});
// 绑定行单击事件
$allBody.off('click.row').on('click.row', 'tr', function () {
layui.event.call(this, MOD_NAME, 'row(' + components.filter + ')', member.call(this, {}));
});
// 绑定行双击事件
$allBody.off('dblclick.rowDouble').on('dblclick.rowDouble', 'tr', function () {
layui.event.call(this, MOD_NAME, 'rowDouble(' + components.filter + ')', member.call(this, {}));
});
// 绑定单元格点击事件
$allBody.off('click.cell').on('click.cell', 'td', function (e) {
var $td = $(this);
var type = $td.data('type');
// 判断是否是复选框、单选框列
if (type === 'checkbox' || type === 'radio') return layui.stope(e);
var edit = $td.data('edit');
var field = $td.data('field');
if (edit) { // 开启了单元格编辑
layui.stope(e);
if ($allBody.find('.ew-tree-table-edit').length > 0) return;
var index = $td.data('index');
var indent = $td.find('.ew-tree-table-indent').length;
var d = that.getDataByTr($td.parent());
if ('text' === edit || 'number' === edit) { // 文本框
var $input = $('<input type="' + edit + '" class="layui-input ew-tree-table-edit"/>');
$input[0].value = d[field];
$td.append($input);
$input.focus();
$input.blur(function () {
var value = $(this).val();
if (value == d[field]) return $(this).remove();
var rs = layui.event.call(this, MOD_NAME, 'edit(' + components.filter + ')', member.call(this,
{value: value, field: field}));
if (rs === false) {
$(this).addClass('layui-form-danger');
$(this).focus();
} else {
d[field] = value; // 同步更新数据
var keys = $td.data('key').split('-');
that.renderBodyTd(d, indent, index, $td, options.cols[keys[0]][keys[1]]); // 更新单元格
}
});
} else {
console.error('不支持的单元格编辑类型:' + edit);
}
} else { // 回调单元格点击事件
var rs = layui.event.call(this, MOD_NAME, 'cell(' + components.filter + ')', member.call(this,
{td: $td, field: field}));
if (rs === false) layui.stope(e);
}
});
// 绑定单元格双击事件
$allBody.off('dblclick.cellDouble').on('dblclick.cellDouble', 'td', function (e) {
var $td = $(this);
var type = $td.data('type');
// 判断是否是复选框、单选框列
if (type === 'checkbox' || type === 'radio') return layui.stope(e);
var edit = $td.data('edit');
var field = $td.data('field');
if (edit) return layui.stope(e); // 开启了单元格编辑
// 回调单元格双击事件
var rs = layui.event.call(this, MOD_NAME, 'cellDouble(' + components.filter + ')', member.call(this,
{td: $td, field: field}));
if (rs === false) layui.stope(e);
});
// 绑定头部工具栏事件
components.$toolbar.off('click.toolbar').on('click.toolbar', '*[lay-event]', function (e) {
layui.stope(e);
var $this = $(this);
var event = $this.attr('lay-event');
if ('LAYTABLE_COLS' === event) that.toggleCol();
else if ('LAYTABLE_EXPORT' === event) that.exportData('show');
else if ('LAYTABLE_PRINT' === event) that.printTable();
else layui.event.call(this, MOD_NAME, 'toolbar(' + components.filter + ')', {event: event, elem: $this});
});
// 同步滚动条
components.$tBodyGroup.on('scroll', function () {
var $this = $(this);
components.$tHeadGroup.scrollLeft($this.scrollLeft());
});
// 导出数据
components.$toolbar.off('click.export').on('click.export', '.layui-table-tool-panel>[data-type]', function () {
var type = $(this).data('type');
if ('csv' === type || 'xls' === type) that.exportData(type);
});
components.$toolbar.off('click.panel').on('click.panel', '.layui-table-tool-panel', function (e) {
layui.stope(e);
});
// 筛选列
form.on('checkbox(' + components.colsToggleFilter + ')', function (data) {
that.toggleCol(data.elem.checked, undefined, data.value);
});
};
/** 获取各个组件 */
TreeTable.prototype.getComponents = function () {
var $view = $(this.options.elem).next('.ew-tree-table'); // 容器
var filter = $view.attr('lay-filter'); // 容器filter
var $tHeadGroup = $view.children('.ew-tree-table-head'); // 表头部分容器
var $tBodyGroup = $view.children('.ew-tree-table-box'); // 主体部分容器
return {
$view: $view,
filter: filter,
$tHeadGroup: $tHeadGroup,
$tBodyGroup: $tBodyGroup,
$tHead: $tHeadGroup.children('.layui-table'), // 表头表格
$tBody: $tBodyGroup.children('.layui-table'), // 主体表格
$table: $view.find('.layui-table'), // 所有表格
$toolbar: $view.children('.ew-tree-table-tool'), // 头部工具栏
$empty: $tBodyGroup.children('.ew-tree-table-empty'), // 空视图
$loading: $tBodyGroup.children('.ew-tree-table-loading'), // 加载视图
checkboxFilter: 'ew_tb_checkbox_' + filter, // 复选框filter
radioFilter: 'ew_tb_radio_' + filter, // 单选框filter
chooseAllFilter: 'ew_tb_choose_all_' + filter, // 全选按钮filter
colsToggleFilter: 'ew_tb_toggle_cols' + filter // 筛选列的filter
};
};
/**
* 遍历表头
* @param callback
* @param obj
*/
TreeTable.prototype.eachCols = function (callback, obj) {
if (!obj) obj = this.options.colArrays;
for (var i = 0; i < obj.length; i++) {
var item = obj[i];
callback && callback(i, item);
if (item.CHILD_COLS) this.eachCols(callback, item.CHILD_COLS);
}
};
/**
* 遍历数据
* @param callback
* @param data
*/
TreeTable.prototype.eachData = function (callback, data) {
if (!data) data = this.options.data;
for (var i = 0; i < data.length; i++) {
var item = data[i];
callback && callback(i, item);
if (item[this.options.tree.childName]) this.eachData(callback, item[this.options.tree.childName]);
}
};
/**
* 异步加载渲染
* @param d 父级数据
* @param $tr 父级dom
*/
TreeTable.prototype.renderBodyAsync = function (d, $tr) {
var that = this;
var options = this.options;
var components = this.getComponents();
// 显示loading
if ($tr) {
$tr.addClass('ew-tree-table-loading');
$tr.find('.ew-tree-pack').children('.ew-tree-table-arrow').addClass('layui-anim layui-anim-rotate layui-anim-loop');
} else {
components.$empty.hide();
if (options.data && options.data.length > 0) components.$loading.addClass('ew-loading-float');
components.$loading.show();
}
// 请求数据
options.reqData(d, function (data) {
if (typeof data !== 'string' && data && data.length > 0 && options.tree.isPidData) {
data = tt.pidToChildren(data, options.tree.idName, options.tree.pidName, options.tree.childName);
}
that.renderBodyData(data, d, $tr); // 渲染内容
});
};
/**
* 根据数据渲染body
* @param data 数据集合
* @param d 父级数据
* @param $tr 父级dom
*/
TreeTable.prototype.renderBodyData = function (data, d, $tr) {
var msg;
if (typeof data === 'string') {
msg = data;
data = [];
}
var that = this;
var options = this.options;
var components = this.getComponents();
// 更新到数据
if (d === undefined) options.data = data;
else d[options.tree.childName] = data;
var indent;
if ($tr) {
indent = parseInt($tr.data('indent')) + 1;
d[options.tree.openName] = true;
}
var htmlStr = this.renderBody(data, indent, d);
if ($tr) {
// 移除旧dom
$tr.nextAll('tr').each(function () {
if (parseInt($(this).data('indent')) <= (indent - 1)) return false;
$(this).remove();
});
// 渲染新dom
$tr.after(htmlStr).addClass('ew-tree-table-open');
} else {
components.$tBody.children('tbody').html(htmlStr);
}
form.render(null, components.filter); // 渲染表单元素
this.renderNumberCol(); // 渲染序号列
if ($tr) {
// 更新父级复选框状态
this.checkParentCB($tr);
$tr.prevAll('tr').each(function () {
var tInd = parseInt($(this).data('indent'));
if (tInd < (indent - 1)) {
that.checkParentCB($(this));
indent = tInd + 1;
}
});
// 移除loading
$tr.removeClass('ew-tree-table-loading');
var $arrow = $tr.find('.ew-tree-pack').children('.ew-tree-table-arrow');
$arrow.removeClass('layui-anim layui-anim-rotate layui-anim-loop');
if (msg) { // 加载失败
$tr.removeClass('ew-tree-table-open');
} else if (data && data.length === 0) { // 无子集
d[options.tree.haveChildName] = false;
$tr.data('have-child', false);
$arrow.addClass('ew-tree-table-arrow-hide');
$arrow.next('.ew-tree-icon').after(options.tree.getIcon(d)).remove();
}
} else {
// 移除loading
components.$loading.hide();
components.$loading.removeClass('ew-loading-float');
// 显示空视图
if (data && data.length > 0) {
components.$empty.hide();
} else {
components.$empty.show();
if (msg) components.$empty.text(msg);
else components.$empty.html(options.text.none);
}
}
this.checkChooseAllCB(); // 联动全选框
updateFixedTbHead(components.$view); // 滚动条补丁
options.done && options.done(data);
};
/**
* 递归渲染表格主体部分
* @param data 数据列表
* @param indent 缩进大小
* @param parent 父级
* @returns {string}
*/
TreeTable.prototype.renderBody = function (data, indent, parent) {
var options = this.options;
if (!indent) indent = 0;
var html = '';
if (!data || data.length === 0) return html;
var hide = parent ? !parent[options.tree.openName] : undefined;
for (var i = 0; i < data.length; i++) {
var d = data[i];
d.LAY_INDEX = (parent ? parent.LAY_INDEX + '-' : '') + i;
html += this.renderBodyTr(d, indent, hide);
// 递归渲染子集
html += this.renderBody(d[options.tree.childName], indent + 1, d);
}
return html;
};
/**
* 渲染每一行数据
* @param d 行数据
* @param indent 缩进大小
* @param hide 是否隐藏
* @param $tr
* @returns {string}
*/
TreeTable.prototype.renderBodyTr = function (d, indent, hide, $tr) {
var that = this;
var options = this.options;
if (!indent) indent = 0;
var haveChild = d[options.tree.haveChildName];
if (haveChild === undefined) haveChild = d[options.tree.childName] && d[options.tree.childName].length > 0;
if ($tr) {
$tr.data('have-child', haveChild ? 'true' : 'false');
$tr.data('indent', indent);
$tr.removeClass('ew-tree-table-loading');
}
var html = '<tr';
var classNames = '';
if (haveChild && d[options.tree.openName]) classNames += 'ew-tree-table-open';
if (hide) classNames += 'ew-tree-tb-hide';
html += (' class="' + classNames + '"');
if (haveChild) html += (' data-have-child="' + haveChild + '"');
html += (' data-index="' + d.LAY_INDEX + '"');
html += (' data-indent="' + indent + '">');
var index = 0;
this.eachCols(function (i, col) {
if (col.colGroup) return;
html += that.renderBodyTd(d, indent, index, $tr ? $tr.children('td').eq(index) : undefined, col);
index++;
});
html += '</tr>';
return html;
};
/**
* 渲染每一个单元格数据
* @param d 行数据
* @param indent 缩进大小
* @param index 第几列
* @param $td
* @param col
* @returns {string}
*/
TreeTable.prototype.renderBodyTd = function (d, indent, index, $td, col) {
if (col.colGroup) return '';
var options = this.options;
var components = this.getComponents();
if (!indent) indent = 0;
// 内容填充
var content = '', cell = '', icon = '';
if (col.type === 'numbers') { // 序号列
content = '<span class="ew-tree-table-numbers"></span>';
} else if (col.type === 'checkbox') { // 复选框列
content = [
'<input type="checkbox"', d.LAY_CHECKED ? ' checked="checked"' : '',
' lay-filter="', components.checkboxFilter, '"',
' lay-skin="primary" class="ew-tree-table-checkbox',
d.LAY_INDETERMINATE ? ' ew-form-indeterminate' : '', '" />'
].join('');
} else if (col.type === 'radio') { // 单选框列
content = [
'<input type="radio"', d.LAY_CHECKED ? ' checked="checked"' : '',
' lay-filter="', components.radioFilter, '"',
' name="', components.radioFilter, '"',
' class="ew-tree-table-radio" />'
].join('');
} else if (col.templet) { // 自定义模板
if (typeof col.templet === 'function') {
content = col.templet(d);
} else if (typeof col.templet === 'string') {
laytpl($(col.templet).html()).render(d, function (html) {
content = html;
});
}
} else if (col.toolbar) { // 操作列
if (typeof col.toolbar === 'function') {
content = col.toolbar(d);
} else if (typeof col.toolbar === 'string') {
laytpl($(col.toolbar).html()).render(d, function (html) {
content = html;
});
}
} else if (col.field && d[col.field] !== undefined && d[col.field] !== null) { // 普通字段
content = util.escape(d[col.field] === 0 ? '0' : d[col.field]);
}
// 图标列处理
if (index === options.tree.iconIndex) {
// 缩进
for (var i = 0; i < indent; i++) icon += '<span class="ew-tree-table-indent"></span>';
icon += '<span class="ew-tree-pack">';
// 加箭头
var haveChild = d[options.tree.haveChildName];
if (haveChild === undefined) haveChild = d[options.tree.childName] && d[options.tree.childName].length > 0;
icon += ('<i class="ew-tree-table-arrow layui-icon' + (haveChild ? '' : ' ew-tree-table-arrow-hide'));
icon += (' ' + (options.tree.arrowType || '') + '"></i>');
// 加图标
icon += options.tree.getIcon(d);
content = '<span>' + content + '</span>';
if (options.tree.onlyIconControl) content = icon + '</span>' + content;
else content = icon + content + '</span>';
}
cell = [
'<div class="ew-tree-table-cell', col.singleLine === undefined || col.singleLine ? ' single-line' : '', '"',
col.align ? ' align="' + col.align + '"' : '',
'>',
' <div class="ew-tree-table-cell-content">', content, '</div>',
' <i class="layui-icon layui-icon-close ew-tree-tips-c"></i>',
' <div class="layui-table-grid-down" style="display: none;"><i class="layui-icon layui-icon-down"></i></div>',
'</div>'
].join('');
if ($td) $td.html(cell);
var html = '<td';
if (col.field) html += (' data-field="' + col.field + '"');
if (col.edit) html += (' data-edit="' + col.edit + '"');
if (col.type) html += (' data-type="' + col.type + '"');
if (col.key) html += (' data-key="' + col.key + '"');
if (col.style) html += (' style="' + col.style + '"');
if (col['class']) html += (' class="' + col['class'] + (col.hide ? ' layui-hide' : '') + '"');
else if (col.hide) html += (' class="layui-hide"');
html += ('>' + cell + '</td>');
return html;
};
/**
* 渲染表头
* @returns {string}
*/
TreeTable.prototype.renderBodyTh = function () {
var options = this.options;
var components = this.getComponents();
var html = [];
$.each(options.cols, function (i1, item1) {
html.push('<tr>');
$.each(item1, function (i2, item2) {
html.push('<th');
if (item2.colspan) html.push(' colspan="' + item2.colspan + '"');
if (item2.rowspan) html.push(' rowspan="' + item2.rowspan + '"');
if (item2.type) html.push(' data-type="' + item2.type + '"');
if (item2.key) html.push(' data-key="' + item2.key + '"');
if (item2.parentKey) html.push(' data-parent="' + item2.parentKey + '"');
if (item2.hide) html.push(' class="layui-hide"');
html.push('>');
html.push('<div class="ew-tree-table-cell' + (item2.singleLine === undefined || item2.singleLine ? ' single-line' : '') + '"');
if (item2.thAlign || item2.align) html.push(' align="' + (item2.thAlign || item2.align) + '"');
html.push('>');
html.push('<div class="ew-tree-table-cell-content">');
// 标题
var ca = '<input type="checkbox" lay-filter="' + components.chooseAllFilter + '" lay-skin="primary" class="ew-tree-table-checkbox"/>';
if (item2.type === 'checkbox') html.push(ca);
else html.push(item2.title || '');
html.push('</div><i class="layui-icon layui-icon-close ew-tree-tips-c"></i>');
html.push('<div class="layui-table-grid-down" style="display: none;"><i class="layui-icon layui-icon-down"></i></div></div>');
// 列宽拖拽
if (!item2.colGroup && !item2.unresize) html.push('<span class="ew-tb-resize"></span>');
html.push('</th>');
});
html.push('</tr>');
});
return html.join('');
};
/** 重置表格尺寸 */
TreeTable.prototype.resize = function (returnColgroup) {
// 计算表格宽度、最小宽度、百分比宽度
var options = this.options;
var components = this.getComponents();
var minWidth = 1, width = 1, needSetWidth = true, mwPercent = 0;
this.eachCols(function (i, item) {
if (item.colGroup || item.hide) return;
if (item.width) {
width += (item.width + 1);
if (item.minWidth) {
if (item.width < item.minWidth) item.width = item.minWidth;
} else if (item.width < options.cellMinWidth) item.width = options.cellMinWidth;
} else needSetWidth = false;
if (item.width) minWidth += (item.width + 1);
else if (item.minWidth) {
minWidth += (item.minWidth + 1);
mwPercent += item.minWidth;
} else {
minWidth += (options.cellMinWidth + 1);
mwPercent += options.cellMinWidth;