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76 lines
2.2 KiB
76 lines
2.2 KiB
5 years ago
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/**
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* @author windy
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* @version 2.0
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* Created by windy on 2020/1/8
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* 提供节点分页加载方式
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*/
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!(function () {
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BI.TreeRenderPageService = BI.inherit(BI.OB, {
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_init: function () {
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this.nodeLists = {};
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},
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_getLoadingBar: function(tId) {
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var self = this;
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var tip = BI.createWidget({
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type: "bi.loading_bar",
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height: 25,
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handler: function () {
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self.refreshNodes(tId);
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}
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});
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tip.setLoaded();
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return tip;
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},
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pushNodeList: function (tId, populate) {
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var self = this, o = this.options;
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var tip = this._getLoadingBar(tId);
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if (!BI.has(this.nodeLists, tId)) {
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this.nodeLists[tId] = {
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populate: BI.debounce(populate, 0),
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options: {
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times: 1
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},
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loadWidget: tip
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};
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} else {
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this.nodeLists[tId].loadWidget.destroy();
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this.nodeLists[tId].loadWidget = tip;
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}
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BI.createWidget({
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type: "bi.vertical",
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element: o.subNodeListGetter(tId),
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items: [tip]
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});
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},
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refreshNodes: function (tId) {
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var nodeList = this.nodeLists[tId];
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nodeList.options.times++;
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nodeList.loadWidget.setLoading();
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nodeList.populate({
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times: nodeList.options.times
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});
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},
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removeNodeList: function (tId) {
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5 years ago
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this.nodeLists[tId] && this.nodeLists[tId].loadWidget.destroy();
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this.nodeLists[tId] && (this.nodeLists[tId].loadWidget = null);
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5 years ago
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delete this.nodeLists[tId];
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if (BI.size(this.nodeLists) === 0) {
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this.clear();
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}
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},
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clear: function () {
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var self = this;
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BI.each(this.nodeLists, function (tId) {
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self.removeNodeList(tId);
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});
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this.nodeLists = {};
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}
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});
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})();
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