selectonemenu

Make multiple dependent / cascading selection components in JSF

自闭症网瘾萝莉.ら 提交于 2020-05-24 07:06:08
问题 I am trying to make 4 dependent / cascading selection components. In this question, the selection component happens to be a <h:selectOneMenu> , but this is of course applicable on any other kind of selection component, such as <h:selectManyCheckbox> , <p:selectCheckboxMenu> , etc. When the user chooses an item from the first menu, the second menu will show dependent data and when the user chooses item from the second one , the third one will show dependent data and so on. The user will see

Make multiple dependent / cascading selection components in JSF

99封情书 提交于 2020-05-24 07:06:06
问题 I am trying to make 4 dependent / cascading selection components. In this question, the selection component happens to be a <h:selectOneMenu> , but this is of course applicable on any other kind of selection component, such as <h:selectManyCheckbox> , <p:selectCheckboxMenu> , etc. When the user chooses an item from the first menu, the second menu will show dependent data and when the user chooses item from the second one , the third one will show dependent data and so on. The user will see

valueChangeListener is invoked on submit without changing options in selectOneMenu

梦想与她 提交于 2020-01-17 03:00:29
问题 In my page I have selectonemenu and I have noticed that when I click the pagination of datatable, valueChangeListener method is getting invoked without actually changing values or options in selectonemenu. How is this happening and how could I prevent this from happening as I need to invoke valueChangeListener method only if user changes values in selectonemenu. Thanks and appreciate any help. Regards Here is my code for selectonemenu Update1 <ice:selectOneMenu value="#{list.selectedItem}"

Invoke action method on click of h:selectOneMenu

和自甴很熟 提交于 2020-01-13 07:44:05
问题 I have the following drop down list: <h:selectOneMenu value="#{user.favCoffee3}" onclick=""> <f:selectItems value="#{user.favCoffee3Value}" var="c" itemLabel="#{c.coffeeLabel}" itemValue="#{c.coffeeValue}" /> </h:selectOneMenu> I would like to launch some method from the bean by drop down list item click. How can I achieve it? 回答1: You can use the valueChangeListener attribute, pointing to a method in the managed-bean and add a submit() in the onchange attribute. The form should look like :

Update value of other input components on change of h:selectOneMenu

℡╲_俬逩灬. 提交于 2020-01-11 14:28:28
问题 I have a JSF 2.2 form that contains one <h:selectOneMenu> , inputs and 4 buttons to call CRUD methods. In order to achieve the binding, I used a valueChangeListener so that when I chose an id from the <h:selectOneMenu> , I call a method which updates the object linked to the inputs. The problem is that the inputs don't change their value. The form <h:selectOneMenu value="#{avocatBurController.numProf}" valueChangeListener="#{avocatBurController.handelValueCahnge}" onchange="submit()"> <f

Update value of other input components on change of h:selectOneMenu

送分小仙女□ 提交于 2020-01-11 14:27:13
问题 I have a JSF 2.2 form that contains one <h:selectOneMenu> , inputs and 4 buttons to call CRUD methods. In order to achieve the binding, I used a valueChangeListener so that when I chose an id from the <h:selectOneMenu> , I call a method which updates the object linked to the inputs. The problem is that the inputs don't change their value. The form <h:selectOneMenu value="#{avocatBurController.numProf}" valueChangeListener="#{avocatBurController.handelValueCahnge}" onchange="submit()"> <f

Primefaces selectonemenu displaying data outside the input [duplicate]

空扰寡人 提交于 2020-01-11 13:28:31
问题 This question already has answers here : One or more resources has the target of 'head' but not 'head' component has been defined within the view (2 answers) Closed 3 years ago . I'm new to web programming and I manage to make work the proper connections so the dropdown DOES populate; I'm using Eclipse, latest JDK, Wildfly 10 server, MySQL server 5.7, Primefaces 5.3, Javax.faces 2.2. This is the page: <?xml version='1.0' encoding='UTF-8'?> <!DOCTYPE html> <html xmlns="http://www.w3.org/1999

Primefaces selectonemenu displaying data outside the input [duplicate]

柔情痞子 提交于 2020-01-11 13:28:13
问题 This question already has answers here : One or more resources has the target of 'head' but not 'head' component has been defined within the view (2 answers) Closed 3 years ago . I'm new to web programming and I manage to make work the proper connections so the dropdown DOES populate; I'm using Eclipse, latest JDK, Wildfly 10 server, MySQL server 5.7, Primefaces 5.3, Javax.faces 2.2. This is the page: <?xml version='1.0' encoding='UTF-8'?> <!DOCTYPE html> <html xmlns="http://www.w3.org/1999

selectOneMenu Converter [duplicate]

时间秒杀一切 提交于 2020-01-07 05:44:09
问题 This question already has answers here : Validation Error: Value is not valid (3 answers) Closed 4 years ago . Hi every body I'm working on Primfaces pages and I have to make a selectOneMenu wich get items from dataBase so I tried to make it this way but I still have problem's with the converter so my source Codes are the folowing : selectOneMenu : <p:selectOneMenu id="devises" required="true" value="#{pret.devise}" effect="fade" converter="devise"> <f:selectItem itemLabel="Select One"

How I can change the value of “selectOneMenu” without restart the “inputText”?

≡放荡痞女 提交于 2020-01-06 08:30:51
问题 I have the next code: <h:form id="form" > <h:panelGrid > <p:inputText placeholder="Name" value="#{controladorGestionGrados.otherValue}" /> <p:selectOneMenu value="#{controladorGestionGrados.value}" > <f:selectItem itemValue="A" itemLabel="A" /> <f:selectItem itemValue="B" itemLabel="B" /> <f:selectItem itemValue="C" itemLabel="C" /> <p:ajax update=":form" /> </p:selectOneMenu> <p:outputLabel id="someText" value="Some text" rendered="#{controladorGestionGrados.value eq 'C'}" /> </h:panelGrid>