Help on custom Editor Window

Hello,

I just watched the youtube video:

Unite 2014 - Editor Scripting from the real world

and I'm amazingly inspired to immitate his advance editor tools and one of my goal is something like his custom EditorWindow screen:


I already have a blank editor window but I just don't know how I could add the left side container, and the tree-view-ish control. Most probably this is done using GUILayout instead of GUI right?

Need your help on how can I do this.

Cheers!!

 

I think this example is a bit too complex for a first window...

For creating simple menus, inspectors, windows, you can get by fairly quickly.
But, for more complex scenarios (e.g: you want to create a tree view component or something more complicated) it becomes a lot harder to implement.

You could grab the Toolbox asset from the asset store, i think it provides some basic stuff like a tree view (@LightStriker might be able to elaborate more as the creator of this asset)

 

It has a full TreeView inside, but it's not properly exposed or documented. On the other hand, there's 2-3 TreeView asset on the store, but I can't say anything about their quality since I never tried them.