Comments (4)
errorrik
commented on July 23, 2024
当expand事件发生时，需要根据数据的获取方案来提供不同的逻辑，一般如下：
如果数据是静态的，则直接调用expandNode，不传递children参数，由控件自动查找数据并生成子节点。
如果数据是远程加载的，则：
调用indicateNodeLoading方法，使节点进入加载状态。
通过XMLHttpRequest等手段加载远程数据，在收到数据后，调用expandNode并传递children参数展开节点。
动态数据，如果已经加载过，存在哪里？如何判断已经存在？
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otakustay
commented on July 23, 2024
加载的数据放在哪是由Strategy的实现决定的，当然推荐直接作为节点的数据对象的children属性放着，这个需要写到标准里吗
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errorrik
commented on July 23, 2024
类似这样？
node.children = ...
如果是的话，建议写到标准里哈
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otakustay
commented on July 23, 2024
已补充，控件本身是会把children挂到节点的数据上的，不需要Strategy的实现来管。
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