SAPUI5 - what does setting an array for the event handler in the XML do?
I saw in the UI5 "Explored" examples a press event with what looks to be an array:
Example on line 25
I understand how normal press events work. What does using an array like this do? I couldn't find documentation on it, so any info on how it works or a link to where it's documented would be very helpful.
I'm not seeing a mention of this this in the JSDoc, but when populating the constructor for metadata events there is a syntactic-sugar way of specifying multiple callbacks. As you mention, we are seeing this with the "press" field:
<Toolbar id="vsdFilterBar" active="true" visible="false" press="[handleViewSettingsDialogFilterBarPressed, views.control.tableViewSettingsDialog]"> <Label id="vsdFilterLabel" text="?" /> </Toolbar>
In this case, we are passing a string that can be parsed into an array of strings...with each entry corresponding to a function on the associated controller.
The framework-level function that is eventually called to attach the events is sap.ui.model.Binding. Looking at that function we can see the multiple callbacks being setup with the