selectmanylistbox | 易学教程

How can I create a JSF composite component that binds a Collection to both an h:selectOneMenu and h:selectManyListbox?

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问题 I'm trying to create a composite component that will allow the user to toggle between a h:singleSelectMenu and h:selectManyListbox. I have it working sort of. It works as long as the value field points to a Collection...it does NOT work if the value field is null. singleMultiSelect.xhtml <?xml version="1.0" encoding="US-ASCII"?> <!DOCTYPE html> <ui:composition xmlns:f="http://xmlns.jcp.org/jsf/core" xmlns:h="http://xmlns.jcp.org/jsf/html" xmlns:ui="http://java.sun.com/jsf/facelets" xmlns:cc=

How to get all the selected values from selectManyListbox / selectManyMenu / selectManyCheckbox?

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How do I collect all selected values from UISelectMany components such as h:selectManyListbox, h:selectManyMenu, h:selectManyCheckbox, p:selectManyListbox, p:selectManyMenu, p:selectManyCheckbox, etc in backing bean? If someone can help with an example, that would really help. BalusC As with every other input component, just bind its value attribute with a managed bean property. It can map to a List or an array of the same value type as you've used in f:selectItem(s) . If the value type is not one of the standard EL types ( String , Number or Boolean ), then you have to supply a Converter as

How to get all the selected values from selectManyListbox / selectManyMenu / selectManyCheckbox?

阅读更多关于 How to get all the selected values from selectManyListbox / selectManyMenu / selectManyCheckbox?

问题 How do I collect all selected values from UISelectMany components such as h:selectManyListbox, h:selectManyMenu, h:selectManyCheckbox, p:selectManyListbox, p:selectManyMenu, p:selectManyCheckbox, etc in backing bean? If someone can help with an example, that would really help. 回答1: As with every other input component, just bind its value attribute with a managed bean property. It can map to a List or an array of the same value type as you've used in f:selectItem(s) . If the value type is not