Changing the content in Tree2
-----------------------------
Key: MYFACES-679
URL: http://issues.apache.org/jira/browse/MYFACES-679
Project: MyFaces
Type: Bug
Components: Tomahawk
Versions: 1.1.0
Environment: OC4J_Extended_10g, SDK 1.4.2_06, Windows 2000
Reporter: Giuseppe Baglioni
I have a problem with Tree2 in a JSP page when I try to change the content with
new data.
When I load data for the first time it works fine.
Then I use a dropdown menu and a button to choose a new set of data to reload
the Tree2. The JSP page continues to show the old Tree2, but if I click the
button another time Tree2 shows new data.
I verified that the TreeNode used by Tree2 is loaded with new data also the
first time I click the button, so it doesn't seem to be a TreeNode problem.
This is the JSP page code using Tree2.
<h:form>
<h:panelGrid columns="3">
<h:outputLabel for="year" value="YEAR:" />
<h:selectOneMenu id="year" value="#{treeTable.year}"
styleClass="selectOneMenu" required="true" >
<f:selectItems value="#{treeTable.yearList}" />
</h:selectOneMenu>
<h:commandButton action="#{treeTable.Update}" value="Update" />
</h:panelGrid>
<t:tree2 id="clientTree" value="#{treeTable.treeData}" var="node"
varNodeToggler="t">
<f:facet name="caa">
<h:panelGroup>
<f:facet name="expand">
<t:graphicImage value="images/yellow-folder-open.png"
rendered="#{t.nodeExpanded}" border="0"/>
</f:facet>
<f:facet name="collapse">
<t:graphicImage value="images/yellow-folder-closed.png"
rendered="#{!t.nodeExpanded}" border="0"/>
</f:facet>
<h:outputText value="#{node.description}"
styleClass="standard"/>
</h:panelGroup>
</f:facet>
</t:tree2>
</h:form>
and this is the session scope bean code preparing TreeNode object
TreeNode treeData = null;
public void Update() throws Exception {
TreeNodeBase caaNode = null, provNode = null, sedeNode = null;
String caa;
int count;
int level;
List appoList = this.loadList(year); // I load appoList with TreeItem
objects
for (int i=0; i<appoList.size(); i++) {
caa = ((TreeItem) appoList.get(i)).getCaa();
count = ((TreeItem) appoList.get(i)).getCount().intValue();
level = ((TreeItem) appoList.get(i)).getLevel();
if (livello == 0) {
treeData = new TreeNodeBase("caa", caa+" - "+count,
false);
}
else if (level == 1) {
caaNode = new TreeNodeBase("caa", caa+" - "+count, false);
treeData.getChildren().add(caaNode);
}
else if (level == 2) {
provNode = new TreeNodeBase("caa", caa+" - "+count, false);
caaNode.getChildren().add(provNode);
}
else if (level == 3) {
sedeNode = new TreeNodeBase("caa", caa+" - "+count, true);
provNode.getChildren().add(sedeNode);
}
}
}
Thank you in advance,
Giuseppe
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