92 lines
2.9 KiB
92 lines
2.9 KiB
6 years ago
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/**
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* guy
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* 局部树，两个请求树， 第一个请求构造树，第二个请求获取节点
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* @class BI.ListPartTree
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* @extends BI.AsyncTree
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*/
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BI.ListPartTree = BI.inherit(BI.ListAsyncTree, {
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_defaultConfig: function () {
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return BI.extend(BI.ListPartTree.superclass._defaultConfig.apply(this, arguments), {});
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},
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_init: function () {
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BI.ListPartTree.superclass._init.apply(this, arguments);
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},
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_loadMore: function () {
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var self = this, o = this.options;
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var op = BI.extend({}, o.paras, {
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type: BI.TreeView.REQ_TYPE_INIT_DATA,
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times: ++this.times
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});
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this.tip.setLoading();
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o.itemsCreator(op, function (d) {
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var hasNext = !!d.hasNext, nodes = d.items || [];
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o.paras.lastSearchValue = d.lastSearchValue;
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if (self._stop === true) {
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return;
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}
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if (!hasNext) {
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self.tip.setEnd();
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} else {
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self.tip.setLoaded();
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}
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if (nodes.length > 0) {
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self.nodes.addNodes(null, self._dealWidthNodes(nodes));
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}
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});
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},
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_initTree: function (setting, keyword) {
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var self = this, o = this.options;
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this.times = 1;
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var tree = this.tree;
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tree.empty();
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self.tip.setVisible(false);
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this.loading();
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var op = BI.extend({}, o.paras, {
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type: BI.TreeView.REQ_TYPE_INIT_DATA,
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times: this.times
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});
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var complete = function (d) {
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if (self._stop === true || keyword != o.paras.keyword) {
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return;
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}
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var hasNext = !!d.hasNext, nodes = d.items || [];
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o.paras.lastSearchValue = d.lastSearchValue;
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// 没有请求到数据也要初始化空树, 如果不初始化, 树就是上一次构造的树, 节点信息都是过期的
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callback(nodes.length > 0 ? self._dealWidthNodes(nodes) : []);
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self.setTipVisible(nodes.length <= 0);
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self.loaded();
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if (!hasNext) {
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self.tip.invisible();
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} else {
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self.tip.setLoaded();
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}
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self.fireEvent(BI.Events.AFTERINIT);
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};
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function callback (nodes) {
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if (self._stop === true) {
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return;
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}
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6 years ago
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self.nodes = BI.$.fn.zTree.init(tree.element, setting, nodes);
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6 years ago
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}
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BI.delay(function () {
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o.itemsCreator(op, complete);
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}, 100);
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},
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// 生成树方法
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stroke: function (config) {
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var o = this.options;
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delete o.paras.keyword;
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BI.extend(o.paras, config);
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delete o.paras.lastSearchValue;
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var setting = this._configSetting();
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this._initTree(setting, o.paras.keyword);
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}
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});
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BI.shortcut("bi.list_part_tree", BI.ListPartTree);
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