I have been some days searching and trying to achive to next behaviour (this is manipulated with inspector for illustrate the question):
I want add some metadata information at the top of the TextEditor when it is created and handle it (the top panel with text ‘Hello World’ and TextEditor) like an unique element or content of tab when it is moved to another place of the workspace.
I haven’t any idea how to achive it programatically without “hack” the DOM. I suspect that there is some way to handle the content of tab (mentioned metada and texteditor) like a unique element, but I don’t known how and I didn’t find any other package as example to start. The most similar example is adding panels to bottom, but I want to add this elements between tab and TextEditor.
I hope that this questions helps others and me.
Thank you very much