http://localhost:8080/resources/sap/suite/ui/generic/template/ListReport/view/fragments/SmartTableToolbar.fragment.xml

SmartTableToolbar.fragment.xml 里，包含了 BreakoutActions.fragment：

http://localhost:8080/resources/sap/suite/ui/generic/template/ListReport/view/fragments/BreakoutActions.fragment.xml

源代码：

<core:FragmentDefinition xmlns:template="http://schemas.sap.com/sapui5/extension/sap.ui.core.template/1"
						 xmlns="sap.m" xmlns:core="sap.ui.core" xmlns:build="sap.build">

	<template:if test="{= ${tmpEntitySet>EntitySet} === ${parameter>/entitySet} }">
		<template:repeat list="{tmpEntitySet>Actions}" var="customaction">
			<!--all break out actions which are neither determining nor global-->
			<template:if test="{= !${customaction>determining} &amp;&amp; !${customaction>global}}">
				<Button id="{parts: [{path: 'customaction>'}, {path: 'tabItem>'}], formatter: 'sap.suite.ui.generic.template.js.AnnotationHelper.getBreakoutActionButtonId'}"
						enabled="{parts: [{path: 'customaction>'}, {path: 'tabItem>'}], formatter: 'sap.suite.ui.generic.template.js.AnnotationHelper.getBreakoutActionEnabledKey'}"
						text="{customaction>text}"
						press="{customaction>press}" type="Transparent">
					<layoutData>
						<OverflowToolbarLayoutData priority = "{customaction>importance}"/>
					</layoutData>
				</Button>
            </template:if>
		</template:repeat>
	</template:if>
</core:FragmentDefinition>

运行时，该 XML 视图源代码被 XMLPreprocessor.js 解析：

SmartTableToolbar.fragment.xml 里包含了 BreakoutActions.fragment.xml:

getBreakoutActionButtonId:

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