Created by Jerry Wang on Oct 06, 2016

In product overview page you see lots of context node with method ON_NEW_FOCUS implemented:

The reason is: as long as the current focus root object in current collection wrapper changes, the corresponding dependent object should be refreshed as well. This synchronization is done by event handler: ON_NEW_FOCUS.

For example, once the cancel button is pressed, the focus change event is raised below:

and finally the event handler implemented in dependent context node will react on this focus_change event and refresh related dependent node accordingly.

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汪子熙 认证博客专家 前端框架 Node.js SAP JerryWang，2007年从电子科技大学计算机专业硕士毕业后加入SAP成都研究院工作至今。Jerry是SAP社区导师，SAP中国技术大使。2020年5月下旬，Jerry做了脑部肿瘤的开颅切除手术，对编程和人生又有了新的感悟。