I've got two places on a page where I iterate lists of object. For each object
I output a button that allows them(in this case) to add a user and role to a
domain object(in this case, a research study-I work for a university). While
in both cases the datatable is populated, in the first instance when the aj4
buttons are clicked the backing actions are not called. I don't know why.
This is the nonworking instance. It displays the output of a user search. In
summary, what it does is iterate through a list of members returned by the
'userHome' object. Then, in the 3rd column, I obtain a list of all possible
roles and iterate over them, displaying the appropriate buttons tied to the
appropriate methods.
| <rich:dataTable id="memberSelectList"
value="#{userHome.findByNameOrInternetID(memberSearchName).toArray()}"
var="possibleMember" rendered="#{memberSearchName.trim().length() gt 0}"
rowKey="#{possibleMember.umnDID}" rowKeyVar="umnDID">
| <rich:column>
| <f:facet name="header">Name</f:facet>
| #{possibleMember.name}
| </rich:column>
| <rich:column>
| <f:facet name="header">User Name</f:facet>
| #{possibleMember.userName}
| </rich:column>
| <rich:column>
| <f:facet name="header">Add to List of Study
Members</f:facet>
| <a4j:repeat value="#{studyRoleHome.getAllRoles()}"
var="role" >
| possibleMember: #{possibleMember.class} role:
${role.class}
| <a4j:commandButton type="submit" value="Add as
#{role.name}" reRender="memberGrid"
rendered="#{!viewStudyAction.study.containsMember(possibleMember,role)}"
action="#{viewStudyAction.study.addMember(possibleMember,role)}"
ajaxSingle="true" />
| <a4j:commandButton type="submit" value="Remove as
#{role.name}"
| reRender="memberGrid"
rendered="#{viewStudyAction.study.containsMember(possibleMember,role) and not
viewStudyAction.isRoleAndUser(user, possibleMember, role, administrativeRole) }"
| action="#{viewStudyAction.removeMember(possibleMember,role)}"
ajaxSingle="true" />
| <a4j:commandButton type="submit" value="Remove as
#{role.name}" reRender="memberGrid"
rendered="#{viewStudyAction.isRoleAndUser(user, possibleMember, role,
administrativeRole) and not viewStudyAction.confirmRemoveSelfAsAdmin}"
action="#{viewStudyAction.setConfirmRemoveSelfAsAdmin(true)}"
ajaxSingle="true" />
| <a4j:commandButton type="submit" value="Remove
Yourself as #{role.name}. This cannot be undone." reRender="bodyPanel"
rendered="#{viewStudyAction.isRoleAndUser(user, possibleMember, role,
administrativeRole) and viewStudyAction.confirmRemoveSelfAsAdmin}"
action="#{viewStudyAction.removeMember(possibleMember,role)}"
ajaxSingle="true" />
| </a4j:repeat>
| </rich:column>
| </rich:dataTable>
|
|
This is the working list-it displays a list of current users. It obtains it's
array/list of user and roles directly from the Study object, then iterates over
them. For each returned user it also iterates over the list of roles.
| <rich:dataTable id="memberList"
value="#{viewStudyAction.study.getUserAndRole().toArray()}" var="userAndRole"
rowKey="#{userAndRole.user.umnDID}" rowKeyVar="umnDID" >
| <rich:column>
| <f:facet name="header">Name</f:facet>
| #{userAndRole.user.name}
| </rich:column>
| <rich:column>
| <f:facet name="header">User Name</f:facet>
| #{userAndRole.user.userName}
| </rich:column>
| <rich:column>
| <f:facet name="header">Add or Remove Users from the
list of Study Members</f:facet>
| <a4j:repeat value="#{studyRoleHome.getAllRoles()}"
var="role"
rendered="#{studyRoleHome.containsRole(viewStudyAction.study.userAndRole, user,
administrativeRole)}" >
| userAndRole.user: #{userAndRole.user.class} role:
#{role.class}
| <a4j:commandButton type="submit" value="Add as
#{role.name}" reRender="memberGrid"
rendered="#{!viewStudyAction.study.containsMember(userAndRole.user,role)}"
action="#{viewStudyAction.study.addMember(userAndRole.user,role)}"
ajaxSingle="true" />
| <a4j:commandButton type="submit" value="Remove as
#{role.name}" reRender="memberGrid"
rendered="#{viewStudyAction.study.containsMember(userAndRole.user,role) and not
viewStudyAction.isRoleAndUser(user, userAndRole.user, role, administrativeRole)
}" action="#{viewStudyAction.removeMember(userAndRole.user,role)}"
ajaxSingle="true" />
| <a4j:commandButton type="submit" value="Remove as
#{role.name}" reRender="memberGrid"
rendered="#{viewStudyAction.isRoleAndUser(user, userAndRole.user, role,
administrativeRole) and not viewStudyAction.confirmRemoveSelfAsAdmin}"
action="#{viewStudyAction.setConfirmRemoveSelfAsAdmin(true)}"
ajaxSingle="true" />
| <a4j:commandButton type="submit" value="Remove
Yourself as #{role.name}. This cannot be undone." reRender="bodyPanel"
rendered="#{viewStudyAction.isRoleAndUser(user, userAndRole.user, role,
administrativeRole) and viewStudyAction.confirmRemoveSelfAsAdmin}"
action="#{viewStudyAction.removeMember(userAndRole.user,role)}"
ajaxSingle="true" />
| </a4j:repeat>
| </rich:column>
| </rich:dataTable>
|
|
Any opinion would be welcome. This problem has stumped me for more than a
couple of days.
Mike Kohout
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