Currently working on adding this into OnApp. Previous workplace had a similar menu which worked really well. Undecided about using it, but i've been writing a plugin for multi-selecting records and applying actions which could be used for this.
Here, when you select to group Virtual Machines an additional menu slides out which allows you to enter group name. If it exists then results will appear as seen in actionMenu2.jpg (Create Group may swap with an Add to Group if the characters directly match another Group). Otherwise it will show the No Matches Found state.
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