问题
What is the real world usage of the "dependents" aggregation in SAPUI5.
This was added in version 1.9. What problem does it solve? I couldn't find much documentation in the SCN site on this.
回答1:
It's to connect otherwise 'orphan' UI elements so they can partake of the databinding available to e.g. a view. It's especially relevant when you instantiate a dialog, e.g. from a fragment, in a view's controller. The dialog won't automatically have the models that are set on the view available to it ... but if you make the dialog a dependent of the view, it will.
See "Using Dialogs Defined As Fragments" for more info.
来源：https://stackoverflow.com/questions/24633596/what-is-the-usage-of-the-dependents-aggregation