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18 More commands on tree-widget

tree-mode.el provide more commands to tree-widget.

n
tree-mode-next-node - Move to next node.
p
tree-mode-previous-node - Move to previous node
j
tree-mode-next-sib - Move to next sibling node.
k
tree-mode-previous-sib - Move to previous sibling node.
u
tree-mode-goto-parent - Move to parent node.
r
tree-mode-goto-root - Move to root node
g
tree-mode-reflesh - Reflesh parent tree. useful restore after sort or delete node
e
tree-mode-toggle-expand - Expand or contract tree at point. With prefix argument, expand the tree.
E
tree-mode-expand-level - Expand tree to LEVEL. With prefix argument 0 or negative, will expand all leaves of the tree.
s
tree-mode-sort-by-tag - Sort children node by tag.
/
tree-mode-keep-match - Keep node which tag match REGEXP
!
tree-mode-collapse-other-except - Collapse other trees. If the tree at point is contract, expand it.
D
tree-mode-delete-tree - Delete a tree from buffer.

The icon for push-button in tree-widget is limited 4 types: open, close, empty and leaf. tree-mode provide a method to settup icon of push-button by put an addition attribute :button-icon in tree-widget node.