single Qt model/view different trees

[Bziur]

So I basically want to achieve sth like this:

|view1
|- file1
|   |- item1
|   |- item2
|- file2
|   |- item3
|   |- item4
|+ file3
...
 
view2
|- item1
|- item2
|- group1
|   |- item3
|   |- group2
|       |- item4
|- item5
...

|view1
|- file1
|   |- item1
|   |- item2
|- file2
|   |- item3
|   |- item4
|+ file3
...

view2
|- item1
|- item2
|- group1
|   |- item3
|   |- group2
|       |- item4
|- item5
...

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with 1 model. Is it possible?