SAP Fiori Elements里的Smart Table工作原理解析

The appearance of smart table rendered looks like below:SAP Fiori Elements里的Smart Table工作原理解析The source code of this example could be found from this link.


How table related annotation is parsed and table columns are rendered

Unlike the previous three examples, the control instance of SmartTable now is not created dynamically by ODataControlFactory, but statically declared in xml view and created then by XMLTemplateProcessor after xml view is loaded and parsed:SAP Fiori Elements里的Smart Table工作原理解析SAP Fiori Elements里的Smart Table工作原理解析When OData metadata is retrieved asynchronously, the event handler for this Metadata ready event belonging to the SmartTable instance created in previous above is called to create Table provider:SAP Fiori Elements里的Smart Table工作原理解析In this context, most of the properties come from the definition in XML view:SAP Fiori Elements里的Smart Table工作原理解析All the input parameters for table provider creation are listed below:SAP Fiori Elements里的Smart Table工作原理解析In function _intialiseMetadata, the five fields of entityType Product is parsed:SAP Fiori Elements里的Smart Table工作原理解析Pay attention that these fives fields are not final table columns rendered.

SAP Fiori Elements里的Smart Table工作原理解析Instead, only those fields defined under annotation “com.sap.vocabularies.UI.v1.LineItem” would be rendered as table columns:SAP Fiori Elements里的Smart Table工作原理解析SAP Fiori Elements里的Smart Table工作原理解析Then in _reBindTable function, we have already learned in Smart field with value help that this function will send an OData request to ask for table content:SAP Fiori Elements里的Smart Table工作原理解析SAP Fiori Elements里的Smart Table工作原理解析Once executed, you could observe the response returned by Mock server from console and the table is now filled with data from Products.json.SAP Fiori Elements里的Smart Table工作原理解析

How “currency” filter works

Since currency code is marked as filterable = true in metadata.xml,SAP Fiori Elements里的Smart Table工作原理解析so we could switch it on in “More Filters”:SAP Fiori Elements里的Smart Table工作原理解析Suppose we would like to filter by currency code = EUR.SAP Fiori Elements里的Smart Table工作原理解析Once we select the checkbox and click OK button:SAP Fiori Elements里的Smart Table工作原理解析Another OData request will be sent by FilterBar from sap.ui.comp.FilterBar:SAP Fiori Elements里的Smart Table工作原理解析The filter condition is defined in aFilters:

SAP Fiori Elements里的Smart Table工作原理解析Again you could observe this filter request’ url and response in console tab:SAP Fiori Elements里的Smart Table工作原理解析




上一篇:那么传统的自顶向下的解析器就能很好地工作


下一篇:2017年中国大数据行业最新发展图览