Hi all,
I have a strange problem. Have a look at this code:
__applyDataModel: function(dataModel) {
this.debug(this);
this.debug(this.__rootNode);
this.debug(this.__rootNode.getChildren());
// Do some stuff...
// Then update
snProxy.addListener("update", function() {
this.debug(this);
this.debug(this.__rootNode);
this.debug(this.__rootNode.getChildren());
this.refreshTree();
}, this);
}
This is an apply-method in a class called tt.ui.module.tree.Tree.
The code here simply prints the name of the class and the content of the
class variable __rootNode to the console. First directly in the method, and
a second time after the "update"-event handler function is called. This is
the output:
019406 tt.ui.module.tree.Tree[648]: Tree[648]
019408 tt.ui.module.tree.Tree[648]: TreeFolder[915]
019409 tt.ui.module.tree.Tree[648]: [ ]
019771 Tree[undefined]
019773 TreeFolder[undefined]
019774 null
As you can see, the hash codes are now undefined. The class variable still
contains the qx.ui.tree.TreeFolder object but now the getChildren-method
doesn't return an empty array but null.
What can have happened to the Tree object here? In my application I can't
figure out any reason for this. As far as I can see nothing concerning the
Tree object is changed in between the output of the two debug blocks.
Just in case this might help: The Tree object is initially created in a way
like this:
var M = qx.Class.getByName(modules[j].type);
var m = new M();
Cheers
Marius
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