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Make the "o" mapping consistent with "x"

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The "o" mapping, which toggles directory nodes open/closed, allowed
the user to close the tree root.  This was not consistent with the
"x" mapping which stops the user from doing this.  This applies to
a double-click on the root node as well.

It should be noted that, if the root node is somehow closed, "o" and
double click can still re-open the tree, even with this change.  In
other words, I was careful.
This commit is contained in:
Jason Franklin 2017-11-19 16:37:54 -05:00
parent e0e36c5385
commit ac94cd28c2
1 changed files with 9 additions and 4 deletions
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13
autoload/nerdtree/ui_glue.vim
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@ -90,10 +90,15 @@ function! s:activateAll()
endif endif
endfunction endfunction
"FUNCTION: s:activateDirNode() {{{1 " FUNCTION: s:activateDirNode(directoryNode) {{{1
"handle the user activating a tree node function! s:activateDirNode(directoryNode)
function! s:activateDirNode(node)
call a:node.activate() if a:directoryNode.isRoot() && a:directoryNode.isOpen
call nerdtree#echo('cannot close tree root')
return
endif
call a:directoryNode.activate()
endfunction endfunction
"FUNCTION: s:activateFileNode() {{{1 "FUNCTION: s:activateFileNode() {{{1