First of all the list model will fire a change, which you should listen to.
But the time on changing the model is not the one, when the list widget renders the change. So you have to wait till the queue has been flushed. The easiest way is to use the widget queue which will call a function named syncWidget after the next render flush. So your code could be like this: http://tinyurl.com/pf33qvn Mustafa Sak Softwareentwickler Mail Development 1&1 Mail & Media Development & Technology GmbH | Brauerstraße 48 | 76135 Karlsruhe | Germany Phone: +49 721 91374-6977 E-Mail: mustafa....@1und1.de<mailto:mustafa....@1und1.de> | Web: www.1und1.de<http://www.1und1.de/> Von: Phyo Arkar [mailto:phyo.arkarl...@gmail.com] Gesendet: Dienstag, 2. Juni 2015 20:58 An: qooxdoo-devel Betreff: [qooxdoo-devel] Change of qooxdoo virtual list's length (new item insert) What event to listen for change of qx.ui.list.List's Length and that new added list item is ready ? I know qx.type.Array() have change event , but if i listen there and scroll to bottom , it never got to the bottom . This what i am trying to do , but want to scroll after that last row is added. this.chat_list.addListener("change", function() { console.log('model_changed') this.chat_list.scrollToY(1e99); },this)
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