92 lines
2.9 KiB
92 lines
2.9 KiB
/** |
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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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self.nodes = BI.$.fn.zTree.init(tree.element, setting, nodes); |
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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); |