如何在 XML 视图中动态加载 XML 片段? [英] How to dynamically load an XML fragment in XML view?
问题描述
假设我有以下 XML 视图:
Suppose I have the following XML view:
<mvc:View xmlns:mvc="sap.ui.core.mvc" ...>
<Page>
<content>
<l:VerticalLayout>
<l:content>
<core:Fragment fragmentName="my.static.Fragment" type="XML" />
</l:content>
</l:VerticalLayout>
</content>
</Page>
</mvc:View>
片段 my.Fragment
是静态加载的.但是,我现在想动态更改要加载的片段(理想情况下使用数据绑定 fragmentName
属性,但任何其他方式也应该可以),即.像这样:
The fragment my.Fragment
is statically loaded. However, I now want to dynamically change the to-be-loaded fragment (ideally using data binding the fragmentName
property, but any other means should be ok as well), ie. something like this:
<mvc:View xmlns:core="sap.ui.core.mvc" ...>
<Page>
<content>
<l:VerticalLayout>
<l:content>
<core:Fragment fragmentName="{/myDynamicFragment}" type="XML" />
</l:content>
</l:VerticalLayout>
</content>
</Page>
</mvc:View>
但是,后者不起作用,并且 Fragment 定义不允许数据绑定......我可能错过了一些东西,但是我应该如何根据参数/模型属性动态更改 XML 视图中的 Fragment/等?
However, the latter does not work, and the Fragment definitions don't allow for data binding... I might have missed something, but how should I dynamically change the Fragment in my XML view based on a parameter/model property/etc?
目前,我已经求助于自定义控件,而不是在我的视图中直接使用片段,并让该控件将分派到适当的片段,但我觉得应该有一个更简单的-盒子方式...
推荐答案
我认为唯一的解决方案是从控制器的 onInit
方法初始化片段:
I think the only solution will be initialization of fragment from onInit
method of controller:
sap.ui.controller("my.controller", {
onInit : function(){
var oLayout = this.getView().byId('mainLayout'), //don't forget to set id for a VerticalLayout
oFragment = sap.ui.xmlfragment(this.fragmentName.bind(this));
oLayout.addContent(oFragment);
},
fragmentName : function(){
return "my.fragment";
}
});
这篇关于如何在 XML 视图中动态加载 XML 片段?的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!