Hi, Please, in which condition does the following code return null?
DefaultMutableTreeNode marker = treeState.getMarker(); In fact DefaultTreeActionListener does nothing because it finds null when I click on the "new node" icon... Regards, Zied 2007/9/25, Zied Hamdi <[EMAIL PROTECTED]>: > > Hi again, > > I've just seen this post : Re: Display tobago selectable tree > http://www.mail-archive.com/users@myfaces.apache.org/msg32004.html > > > So sorry for disturbing :-). > > Regards, > Zied > > > > > > 2007/9/25, Zied Hamdi <[EMAIL PROTECTED]>: > > > > Hi, > > > > I'm in my first example with tc:tree, and I have a problem getting the > > selected element (I receive a Set containing a null element: even though the > > tree displays correctly (with the correct name) the node I select). > > This is my code: > > > > < tc:box > > > > xmlns= " http://www.w3.org/1999/xhtml"; > > > > xmlns:f= " http://java.sun.com/jsf/core"; > > > > xmlns:h= " http://java.sun.com/jsf/html"; > > > > xmlns:t= " http://myfaces.apache.org/tomahawk"; > > > > xmlns:tc= " http://myfaces.apache.org/tobago/component"; > > > > xmlns:tx= " http://myfaces.apache.org/tobago/extension"; > > > > label = "#{i18n.category}"> > > > > < tc:tree > > > > id ="cateoriesTree" > > > > value ="#{contractCtrl.categoriesRoot}" > > > > state ="#{contractCtrl.treeState}" > > > > showIcons ="true" > > > > selectable ="single" > > > > nameReference > > ="userObject.embedded.name<http://userobject.embedded.name/>" > > > > > > > </tc:tree > > > > > </ tc:box> > > > > > > and in my bb I do this: > > > > *public* String setCategoryCmd() *throws* Throwable { > > > > Set<DefaultMutableTreeNode> selection = > > treeState.getSelection(); > > > > *if* ( selection.size() == 0 || selection.size() > 1 ) > > > > *return* *null* ; > > > > ContractCommandExecuter commandExecuter = > > (ContractCommandExecuter) getCurrentCommandExecuter(); > > > > ContractParameters contractParameters = (ContractParameters) > > commandExecuter.getCommandParameters(); > > > > contractParameters.setSelectedCaltegory( (Category) > > selection.iterator().next().getUserObject() ); > > > > *return* commandExecuter.execute(ContractRequests.* > > SET_CATEGORY* ); > > > > } > > > > > > > > after Selecting a node and submitting, > > > > selection.iterator().next() returns null; > > > > > > > > Here's how I submit: > > > > < tc:cell > > > > > < f:facet name ="layout" > > > > > < tc:gridLayout columns ="fixed;*" /> > > > > </ f:facet> > > > > < tc:link > > > > id ="category" > > > > label ="#{i18n.category}" > > > > action ="#{contractCtrl.loadCategoriesCmd}" > > > > > < tc:attribute > > > > value ="categoryPopup" > > > > name = "renderedPartially" /> > > > > < f:facet name ="popup" > > > > > < tc:popup > > > > id ="categoryPopup" > > > > height ="600px" > > > > width ="300px" > > > > > < tc:panel> > > > > < f:facet name ="layout" > > > > > < tc:gridLayout rows > > ="*;fixed" > > /> > > > > </ f:facet> > > > > < tc:cell> > > > > < ui:include src > > ="/contract/categories.xhtml" > > /> > > > > </ tc:cell> > > > > < tc:panel> > > > > < f:facet name = "layout"> > > > > < tc:gridLayout > > > > columns = > > "100px;1*;100px" > > > > marginLeft = > > "10px" > > > > marginRight > > ="10px" > > /> > > > > </ f:facet> > > > > < tc:button > > > > label ="#{i18n.ok}" > > > > action ="#{ > > contractCtrl.setCategoryCmd}" > > > > > < tc:attribute > > > > name = > > "popupClose" > > > > value > > ="afterSubmit" > > /> > > > > </ tc:button> > > > > < tc:cell /> > > > > < tc:button label = "#{ > > i18n.cancel}" > > > > > < tc:attribute > > > > name = > > "popupClose" > > > > value > > ="immediate" > > /> > > > > </ tc:button> > > > > </ tc:panel> > > > > </ tc:panel> > > > > </ tc:popup> > > > > </ f:facet> > > > > </ tc:link> > > > > < tc:label value ="#{ intervention.category.name}" /> > > > > </ tc:cell > > > > > > > > > Any ideas please? > > > > Regards, > > Zied > > > > > > -- > Zied Hamdi > zatreex.sourceforge.net -- Zied Hamdi zatreex.sourceforge.net
