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1. Re: Is it possible to select more than one node of a rich:tree (4.3.4)?
I made a mix of two 4.x showcase samples (rich:tree and treeAdaptors) because I need to import a XML file to the tree. Then, I used the rich:treeModelRecursiveAdaptor to fill recursively the tree. All works fine. But I also need to allow the user to select one or more fields from the generated XML tree, and to this, I used the rich:tree record music sample. Now, I get to select one, and just one group field from XML, but:
1) I didn't get to select many fields, just the original problem of this message
2) I didn't get to call the selectionChangeListener method for leaves of the tree (final field contents)
Here is a sample JSF/RF code:
<h:form>
<rich:tree id="campos" var="item"
toggleType="client"
selectionType="ajax">
<rich:treeSelectionChangeListener listener="#{emissaoCCe.selectionChanged}"/>
<rich:treeModelRecursiveAdaptor roots="#{emissaoCCe.raizArqXMLAss}" nodes="#{item.grupos}">
<rich:treeNode expanded="true">
<h:outputText value="#{item.tituloGrupo}"/>
</rich:treeNode>
<rich:treeModelAdaptor nodes="#{item.campos}">
<rich:treeNode>
<h:outputText value="#{item.tituloCampo}"/>
</rich:treeNode>
</rich:treeModelAdaptor>
</rich:treeModelRecursiveAdaptor>
</rich:tree>
</h:form>
<a4j:outputPanel ajaxRendered="true" layout="block">
<rich:panel header="Current Selection">
<h:outputText value="Name:" />
<h:outputText value="#{emissaoCCe.s}" />
</rich:panel>
</a4j:outputPanel>
The bean:
@Named("emissaoCCe")
@ConversationScoped
public class EmissaoCCeController extends GenericCadController<ConhecimentoEv> implements Serializable {
@Inject ConhecimentoEvDAO daoI;
...
private EmissaoCCeCampos currentSelection = null;
public EmissaoCCeCampos getCurrentSelection() {
return currentSelection;
}
public void setCurrentSelection(EmissaoCCeCampos currentSelection) {
this.currentSelection = currentSelection;
}
public void selectionChanged(TreeSelectionChangeEvent selectionChangeEvent) {
try {
// considering only single selection
List<Object> selection = new ArrayList<>(selectionChangeEvent.getNewSelection());
UITree tree = (UITree) selectionChangeEvent.getSource();
Object storedKey = tree.getRowKey();
Object currentSelectionKey = selection.get(0);
tree.setRowKey(currentSelectionKey);
currentSelection = (EmissaoCCeCampos) tree.getRowData();
if (currentSelection.isCampo())
s = currentSelection.getTituloCampo(); // THIS DOESNT WORK!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
else
s = currentSelection.getTituloGrupo();
tree.setRowKey(storedKey);
} catch (Exception e) {
e.printStackTrace();
}
}
private String s;
public String getS() {
return s;
}
public void setS(String s) {
this.s = s;
}
...
}
And the class of nodes:
public class EmissaoCCeCampos {
private Node node;
private List<EmissaoCCeCampos> grupos;
private List<EmissaoCCeCampos> campos;
private String tituloCampo;
public EmissaoCCeCampos(Node node) {
this.node = node;
grupos = null;
campos = null;
this.tituloCampo = null;
}
public EmissaoCCeCampos(String tituloCampo) {
this.node = null;
grupos = null;
campos = null;
this.tituloCampo = tituloCampo;
}
public String getTituloGrupo() {
return node.getNodeName();
}
public String getTituloCampo() {
return tituloCampo;
}
public synchronized List<EmissaoCCeCampos> getGrupos() {
if (grupos == null) {
NodeList nodeList = node.getChildNodes();
int len = nodeList.getLength();
grupos = new ArrayList<>();
campos = new ArrayList<>();
int i;
for (i = 0; i < len; i++) {
Node nodeAtual = nodeList.item(i);
if (nodeAtual.getNodeName().equals("Signature")) {
continue;
}
NodeList childrenNodeAtual = nodeAtual.getChildNodes();
int lenAtual = childrenNodeAtual.getLength();
if (lenAtual == 1 && childrenNodeAtual.item(0).getNodeName().equals("#text")) {
Node childNodeAtual = childrenNodeAtual.item(0);
campos.add(new EmissaoCCeCampos(nodeAtual.getNodeName() + "=" + childNodeAtual.getNodeValue()));
}
else
grupos.add(new EmissaoCCeCampos(nodeAtual));
}
}
return grupos;
}
public synchronized List<EmissaoCCeCampos> getCampos() {
return campos;
}
public boolean isGrupo() {
return tituloCampo == null;
}
public boolean isCampo() {
return tituloCampo != null;
}
}