laszlo to java

[nando]

Was wondering whether if any would there be a way for a developer to extends a component but not via the lzx syntax but via java.
say
<grid inheritsfrom="org.my.components.MyGrid">
And then in java world.

public class MyGrid extends LZGrid {

public void onInit() {
// adding rows from java
}

public void onSelect() {
SelectedRow row = this.getSelection();
//..
}

.. //other getter and setters
}

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I see this feature to be highly valuable to laszlo
Because at current there is no way to do something like what i mention above right??