In IronList when I select an item multiple times it is added to selectedItems multiple times

dart-archive / polymer_elements

https://pub.dartlang.org/packages/polymer_elements

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In IronList when I select an item multiple times it is added to selectedItems multiple times #92

Open zoechi opened 8 years ago

zoechi commented 8 years ago

It should be added only once, it can only be selected once This might be some problem with equality therefore I posted it here. I encountered it in this example

entry page: https://github.com/bwu-dart-contributing/polymer_elements/blob/demo2/demo/web/iron_list/selection.html
implementation: https://github.com/bwu-dart-contributing/polymer_elements/blob/demo2/demo/web/iron_list/iron_list_selection_demo.html