When rendered by ice:treeNode is false (if tree.isNodeVisible(node) == false) navigation lines to non-rendered nodes are visible.


<ice:tree id="tree"
                  value="#{tree.model}"
                  var="node"
                  hideRootNode="true"
                  hideNavigation="false"
                  imageDir="#{styleBean.imageDirectory}" >

            <ice:treeNode rendered="#{tree.isNodeVisible(node)}">
                <f:facet name="icon">
                    <ice:panelGroup styleClass="treeNode">
                        <ice:graphicImage value="/xmlhttp/css/#{styleBean.currentStyle}/css-images/#{node.userObject.icon}" />
                    </ice:panelGroup>
                </f:facet>
                <f:facet name="content">
                    <ice:commandLink action="#{tree.setSelectedNode(node)}"
                                     styleClass="selectedNode#{node eq tree.selectedNode} treeText" >
                        <ice:outputText id="TreeNode"
                                        value="#{node.userObject.text}" />
                    </ice:commandLink>
                </f:facet>

            </ice:treeNode>
        </ice:tree>