Spine Editor Guide - Views (Tree)
0:08 Tree View
0:25 Expand and Collapse
0:57 Shortcuts
1:29 Selection
1:52 Properties
3:00 Drag and Drop
3:27 Filters
4:22 Auto Scroll
4:49 Annotations
5:06 Folders
5:25 Find and Replace
7:06 Regular Expressions
8:03 Type to Search
8:58 Image Preview
9:23 View Settings
Accompanying Spine User Guide article:
http://esotericsoftware.com/spine-tree