reset tree state

[jmiguel77]

Hi:

i have an rich:tree component page; for consecutive calls to that page the component holds its state (the previous selected node is still selected)

i need that the component state is cleared for the next call. How can i acomplish this ??

thanks a lot

[mmichalek]

I have a similar question: is there a way to reset a tree's selection through javascript? For example, I would like to de-select the selected tree node when the user selects an item from another list on the same page.

For the general question of resetting the tree: I'm not sure if there is a way to have this done automatically, but this code will reset the tree expansion and selection server-side:

public void processSelection(NodeSelectedEvent event) {
 UITree tree = (UITree) event.getComponent();
 selected = (IOrgScope) tree.getRowData();
 TreeState state = (TreeState )tree.getComponentState();
 state.setSelected(null);
 try {
 state.collapseAll(tree);
 }
 catch (IOException ex) {
 ...
 }
 }

[nbelaevski]

I've create RFC for JS tree selection API: http://jira.jboss.com/jira/browse/RF-1820. It is possible to reset selection for now using existing toggleSelection method of Tree.Item class, however that's still a hack. See ui/tree/src/main/resources/org/richfaces/renderkit/html/scripts/tree-item.js for more info

[jmiguel77]

thanks for the help

i had some trouble finding the component, but that is another tale :)

i hope the "reset" method for javascript would be soon available

if someone has an example, that would be great too

[alespio]

"nbelaevski" wrote:
I've create RFC for JS tree selection API: http://jira.jboss.com/jira/browse/RF-1820. It is possible to reset selection for now using existing toggleSelection method of Tree.Item class, however that's still a hack. See ui/tree/src/main/resources/org/richfaces/renderkit/html/scripts/tree-item.js for more info

Sorry nbelaevski, could you paste some sample code showing that scripts works?

Thanks