235 lines
8.5 KiB
JavaScript
235 lines
8.5 KiB
JavaScript
layui.define(['jquery'], function(exports) {
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var MOD_NAME = 'treeTable',
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o = layui.jquery,
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tree = function() {};
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tree.prototype.config = function() {
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return {
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top_value: 0,
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primary_key: 'id',
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parent_key: 'pid',
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hide_class: 'layui-hide',
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icon: {
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open: 'layui-icon layui-icon-triangle-d',
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close: 'layui-icon layui-icon-triangle-r',
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left: 16,
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},
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cols: [],
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checked: {},
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is_click_icon: false,
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is_checkbox: false,
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is_cache: true,
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};
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}
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tree.prototype.template = function(e) {
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var t = this,
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level = [],
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tbody = '',
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is_table = o('table' + e.elem).length || !(e.is_click_icon = true),
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checkbox = e.is_checkbox ? '<div class="layui-unselect layui-form-checkbox cbx" lay-skin="primary"><i class="layui-icon layui-icon-ok"></i></div>' : '',
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checked = checkbox ? checkbox.replace('cbx', 'cbx layui-form-checked') : '',
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thead = checkbox && '<th style="width:28px;">' + (o.inArray(e.top_value, e.checked.data) > -1 ? checked : checkbox) + '</th>';
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o.each(t.data(e, e.data), function(idx, item) {
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var tr = '',
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is_checked = false,
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hide_class = (item[e.parent_key] == e.top_value) || (item[e.parent_key] == t.cache(e, item[e.parent_key])) ? '' : e.hide_class;
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// 设置每行数据层级
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item.level = level[item[e.primary_key]] = item[e.parent_key] != e.top_value ? (level[item[e.parent_key]] + 1) : 0;
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// 设置是否为最后一级
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item.is_end = !e.childs[item[e.primary_key]];
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o.each(e.cols, function(index, obj) {
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var style = '';
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obj.width && (style += 'width:' + obj.width + ';'), obj.align && (style += 'text-align:' + obj.align + ';'), style && (style = 'style="' + style + '"');
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// 标记设置行checkbox选中
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if(e.is_checkbox && e.checked && o.inArray(item[e.checked.key], e.checked.data) > -1) {
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is_checked = true;
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}
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// 第一次遍历头部的时候拼接表格头部
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idx || (thead += '<th ' + style + '>' + obj.title + '</th>');
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// 指定列加入开启、关闭小图标
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var icon = (obj.key == e.icon_key && !item.is_end) ? '<i class="' + (t.cache(e, item[e.primary_key]) ? e.icon.open : e.icon.close) + '"></i>' : '<span></span>';
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// 指定列小图标按照层级向后位移
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var left = (obj.key == e.icon_key ? level[item[e.primary_key]] * e.icon.left + 'px' : '');
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icon = icon.replace('>', ' style="margin-left:' + left + ';">');
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// 拼接行
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tr += '<td ' + style + (left ? 'data-down' : '') + '>' + icon + (is_table ? '' : (is_checked ? checked : checkbox)) + (obj.template ? obj.template(item) : item[obj.key]) + '</td>';
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});
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var box = is_table ? o(is_checked ? checked : checkbox).wrap('<td style="width:28px;">').parent().prop('outerHTML') : '';
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tbody += '<tr class="' + hide_class + '" data-id="' + item[e.primary_key] + '" data-pid="' + item[e.parent_key] + '">' + box + tr + '</tr>';
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});
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// 处理表树和树的赋值模板
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var table = is_table ? '<thead><tr data-id="' + e.top_value + '">' + thead + '</tr></thead><tbody>' + tbody + '</tbody>' : tbody.replace(/<tr/g, '<ul').replace(/tr>/g, 'ul>').replace(/<td/g, '<li').replace(/td>/g, 'li>');
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// 确认点击图标或点击列触发展开关闭
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var click_btn = e.is_click_icon ? '[data-down] i:not(.layui-icon-ok)' : '[data-down]';
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// 模板渲染并处理点击展开收起等功能
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o(e.elem).html(table).off('click', click_btn).on('click', click_btn, function() {
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var tr = o(this).parents('[data-id]'),
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td = tr.find('[data-down]'),
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id = tr.data('id'),
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pid = tr.data('pid'),
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is_open = (td.find('i:not(.layui-icon-ok)').attr('class') == e.icon.close);
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if(is_open) {
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// 展开子级（子级出现、更改图标）
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td.find('i:not(.layui-icon-ok)').attr('class', e.icon.open);
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td.parents(e.elem).find('[data-pid=' + id + ']').removeClass(e.hide_class);
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t.cache(e, id, true);
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} else {
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// 关闭子级（更改图标、隐藏所有子孙级）
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td.find('i:not(.layui-icon-ok)').attr('class', e.icon.close);
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t.childs_hide(e, id);
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}
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// 设置监听展开关闭
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layui.event.call(this, MOD_NAME, 'tree(flex)', {
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elem: this,
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item: e.childs[pid][id],
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table: e.elem,
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is_open: is_open,
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})
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}).off('click', '.cbx').on('click', '.cbx', function() {
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var is_checked = o(this).toggleClass('layui-form-checked').hasClass('layui-form-checked'),
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tr = o(this).parents('[data-id]'),
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id = tr.data('id'),
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pid = tr.data('pid');
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t.childs_checkbox(e, id, is_checked);
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t.parents_checkbox(e, pid);
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// 设置监听checkbox选择
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layui.event.call(this, MOD_NAME, 'tree(box)', {
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elem: this,
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item: pid === undefined ? {} : e.childs[pid][id],
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table: e.elem,
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is_checked: is_checked,
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})
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}).off('click', '[lay-filter]').on('click', '[lay-filter]', function() {
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var tr = o(this).parents('[data-id]'),
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id = tr.data('id'),
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pid = tr.data('pid'),
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filter = o(this).attr("lay-filter");
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return layui.event.call(this, MOD_NAME, 'tree(' + filter + ')', {
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elem: this,
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item: e.childs[pid][id],
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})
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});
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e.end && e.end(e);
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};
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// 同级全部选中父级选中/同级全部取消取消父级
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tree.prototype.parents_checkbox = function(e, pid) {
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var po = o(e.elem).find('[data-pid=' + pid + ']'),
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co = o(e.elem).find('[data-id=' + pid + ']'),
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len = o(e.elem).find('[data-pid=' + pid + '] .cbx.layui-form-checked').length;
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if(po.length == len || len == 0) {
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var pid = co.data('pid');
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len ? co.find('.cbx').addClass('layui-form-checked') : co.find('.cbx').removeClass('layui-form-checked');
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pid === undefined || this.parents_checkbox(e, pid);
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}
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};
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// 子级反选
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tree.prototype.childs_checkbox = function(e, id, is_checked) {
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var t = this;
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o(e.elem).find('[data-pid=' + id + ']').each(function() {
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var checkbox = o(this).find('.cbx');
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is_checked ? checkbox.addClass('layui-form-checked') : checkbox.removeClass('layui-form-checked');
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t.childs_checkbox(e, o(this).data('id'), is_checked);
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})
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};
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// 点击收起循环隐藏子级元素
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tree.prototype.childs_hide = function(e, id) {
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var t = this;
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t.cache(e, id, false);
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o(e.elem).find('[data-pid=' + id + ']:not(.' + e.hide_class + ')').each(function() {
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var td = o(this).find('[data-down]'),
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i = td.find('i:not(.layui-icon-ok)');
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// 关闭更换小图标
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i.length && i.attr('class', e.icon.close);
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// 隐藏子级
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td.parents(e.elem).find('[data-pid=' + id + ']').addClass(e.hide_class);
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t.childs_hide(e, o(this).data('id'))
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});
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};
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// 重新组合数据，父子级关系跟随
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tree.prototype.data = function(e) {
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var lists = [],
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childs = [];
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o.each(e.data, function(idx, item) {
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lists[item[e.primary_key]] = item;
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if(!childs[item[e.parent_key]]) {
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childs[item[e.parent_key]] = [];
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}
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childs[item[e.parent_key]][item[e.primary_key]] = item;
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});
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e.childs = childs;
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return this.tree_data(e, lists, e.top_value, []);
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};
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tree.prototype.tree_data = function(e, lists, pid, data) {
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var t = this;
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if(lists[pid]) {
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data.push(lists[pid]);
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delete lists[pid]
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}
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o.each(e.data, function(index, item) {
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if(item[e.parent_key] == pid) {
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data.concat(t.tree_data(e, lists, item[e.primary_key], data))
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}
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});
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return data;
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};
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tree.prototype.render = function(e) {
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var t = this;
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e = o.extend(t.config(), e);
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if(e.url) {
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o.get(e.url, function(res) {
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e.data = res;
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t.template(e);
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})
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} else {
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t.template(e);
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}
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return e;
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};
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// 获取已选值集合
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tree.prototype.checked = function(e) {
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var ids = [];
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o(e.elem).find('.cbx.layui-form-checked').each(function() {
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var id = o(this).parents('[data-id]').data('id');
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ids.push(id);
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})
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return ids;
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};
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// 全部展开
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tree.prototype.openAll = function(e) {
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var t = this;
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o.each(e.data, function(idx, item) {
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item[e.primary_key] && t.cache(e, item[e.primary_key], true);
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})
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t.render(e);
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}
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// 全部关闭
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tree.prototype.closeAll = function(e) {
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localStorage.setItem(e.elem.substr(1), '');
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this.render(e);
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}
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tree.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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// 存储折叠状态
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tree.prototype.cache = function(e, val, option) {
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if(!e.is_cache) {
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return false;
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}
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var t = this,
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name = e.elem.substr(1),
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val = val.toString(),
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cache = localStorage.getItem(name) ? localStorage.getItem(name).split(',') : [],
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index = o.inArray(val, cache);
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if(option === undefined) {
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return index == -1 ? false : val
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}
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if(option && index == -1) {
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cache.push(val)
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}
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if(!option && index > -1) {
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cache.splice(index, 1)
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}
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localStorage.setItem(name, cache.join(','));
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};
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var tree = new tree();
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exports(MOD_NAME, tree)
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}); |