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*NERDTree.txt* A tree explorer plugin to rule the Vim world. Bwahahaha!!
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==============================================================================
CONTENTS *NERDTree-contents*
1.Intro...................................|NERDTree|
2.Functionality provided..................|NERDTreeFunctionality|
2.1.Global commands...................|NERDTreeGlobalCommands|
2.2.Bookmarks.........................|NERDTreeBookmarks|
2.2.1.The bookmark table..........|NERDTreeBookmarkTable|
2.2.2.Bookmark commands...........|NERDTreeBookmarkCommands|
2.2.3.Invalid bookmarks...........|NERDTreeInvalidBookmarks|
2.3.NERD tree mappings................|NERDTreeMappings|
2.4.The NERD tree menu................|NERDTreeMenu|
3.Settings................................|NERDTreeSettings|
3.1.Settings summary..................|NERDTreeSettingsSummary|
3.2.Settings details..................|NERDTreeSettingsDetails|
4.The NERD tree API.......................|NERDTreeAPI|
4.1.Key map API.......................|NERDTreeKeymapAPI|
4.2.Menu API..........................|NERDTreeMenuAPI|
4.3.Menu API..........................|NERDTreeAddPathFilter()|
4.4.Path Listener API.................|NERDTreePathListenerAPI|
5.About...................................|NERDTreeAbout|
6.License.................................|NERDTreeLicense|
==============================================================================
1. Intro *NERDTree*
What is this "NERD tree"??
The NERD tree allows you to explore your filesystem and to open files and
directories. It presents the filesystem to you in the form of a tree which you
manipulate with the keyboard and/or mouse. It also allows you to perform
simple filesystem operations.
The following features and functionality are provided by the NERD tree:
* Files and directories are displayed in a hierarchical tree structure
* Different highlighting is provided for the following types of nodes:
* files
* directories
* sym-links
* windows .lnk files
* read-only files
* executable files
* Many (customisable) mappings are provided to manipulate the tree:
* Mappings to open/close/explore directory nodes
* Mappings to open files in new/existing windows/tabs
* Mappings to change the current root of the tree
* Mappings to navigate around the tree
* ...
* Directories and files can be bookmarked.
* Most NERD tree navigation can also be done with the mouse
* Filtering of tree content (can be toggled at runtime)
* custom file filters to prevent e.g. vim backup files being displayed
* optional displaying of hidden files (. files)
* files can be "turned off" so that only directories are displayed
* The position and size of the NERD tree window can be customised
* The order in which the nodes in the tree are listed can be customised.
* A model of your filesystem is created/maintained as you explore it. This
has several advantages:
* All filesystem information is cached and is only re-read on demand
* If you revisit a part of the tree that you left earlier in your
session, the directory nodes will be opened/closed as you left them
* The script remembers the cursor position and window position in the NERD
tree so you can toggle it off (or just close the tree window) and then
reopen it (with NERDTreeToggle) the NERD tree window will appear exactly
as you left it
* You can have a separate NERD tree for each tab, share trees across tabs,
or a mix of both.
* By default the script overrides the default file browser (netrw), so if
you :edit a directory a (slightly modified) NERD tree will appear in the
current window
* A programmable menu system is provided (simulates right clicking on a
node)
* one default menu plugin is provided to perform basic filesystem
operations (create/delete/move/copy files/directories)
* There's an API for adding your own keymappings
==============================================================================
2. Functionality provided *NERDTreeFunctionality*
------------------------------------------------------------------------------
2.1. Global Commands *NERDTreeGlobalCommands*
:NERDTree [<start-directory> | <bookmark>] *:NERDTree*
Opens a fresh NERD tree. The root of the tree depends on the argument
given. There are 3 cases: If no argument is given, the current directory
will be used. If a directory is given, that will be used. If a bookmark
name is given, the corresponding directory will be used. For example: >
:NERDTree /home/marty/vim7/src
:NERDTree foo (foo is the name of a bookmark)
<
:NERDTreeFromBookmark <bookmark> *:NERDTreeFromBookmark*
Opens a fresh NERD tree with the root initialized to the dir for
<bookmark>. The only reason to use this command over :NERDTree is for
the completion (which is for bookmarks rather than directories).
:NERDTreeToggle [<start-directory> | <bookmark>] *:NERDTreeToggle*
If a NERD tree already exists for this tab, it is reopened and rendered
again. If no NERD tree exists for this tab then this command acts the
same as the |:NERDTree| command.
:NERDTreeFocus *:NERDTreeFocus*
Opens (or reopens) the NERD Tree if it is not currently visible;
otherwise, the cursor is moved to the already-open NERD Tree.
:NERDTreeMirror *:NERDTreeMirror*
Shares an existing NERD tree, from another tab, in the current tab.
Changes made to one tree are reflected in both as they are actually the
same buffer.
If only one other NERD tree exists, that tree is automatically mirrored.
If more than one exists, the script will ask which tree to mirror.
:NERDTreeClose *:NERDTreeClose*
Close the NERD tree in this tab.
:NERDTreeFind [<path>] *:NERDTreeFind*
Without the optional argument, find and reveal the file for the active
buffer in the NERDTree window. With the <path> argument, find and
reveal the specified path.
Focus will be shifted to the NERDTree window, and the cursor will be
placed on the tree node for the determined path. If a NERDTree for the
current tab does not exist, a new one will be initialized.
:NERDTreeCWD *:NERDTreeCWD*
Change the NERDTree root to the current working directory. If no
NERDTree exists for this tab, a new one is opened.
:NERDTreeRefreshRoot *:NERDTreeRefreshRoot*
Refreshes the NERD tree root node.
------------------------------------------------------------------------------
2.2. Bookmarks *NERDTreeBookmarks*
Bookmarks in the NERD tree are a way to tag files or directories of interest.
For example, you could use bookmarks to tag all of your project directories.
------------------------------------------------------------------------------
2.2.1. The Bookmark Table *NERDTreeBookmarkTable*
If the bookmark table is active (see |NERDTree-B| and
|NERDTreeShowBookmarks|), it will be rendered above the tree. You can double
click bookmarks or use the |NERDTree-o| mapping to activate them. See also,
|NERDTree-t| and |NERDTree-T|
------------------------------------------------------------------------------
2.2.2. Bookmark commands *NERDTreeBookmarkCommands*
Note: The following commands are only available within the NERDTree buffer.
:Bookmark [<name>]
Bookmark the current node as <name>. If there is already a <name>
bookmark, it is overwritten. <name> must not contain spaces.
If <name> is not provided, it defaults to the file or directory name.
For directories, a trailing slash is present.
:BookmarkToRoot <bookmark>
Make the directory corresponding to <bookmark> the new root. If a treenode
corresponding to <bookmark> is already cached somewhere in the tree then
the current tree will be used, otherwise a fresh tree will be opened.
Note that if <bookmark> points to a file then its parent will be used
instead.
:RevealBookmark <bookmark>
If the node is cached under the current root then it will be revealed
(i.e. directory nodes above it will be opened) and the cursor will be
placed on it.
:OpenBookmark <name>
The Bookmark named <name> is opened as if |NERDTree-o| was applied to
its entry in the Bookmark table. If the Bookmark points to a directory,
it is made the new root of the current NERDTree. If the Bookmark points
to a file, that file is opened for editing in another window.
:ClearBookmarks [<bookmarks>]
Remove all the given bookmarks. If no bookmarks are given then remove all
bookmarks on the current node.
:ClearAllBookmarks
Remove all bookmarks.
:ReadBookmarks
Re-read the bookmarks in the |NERDTreeBookmarksFile|.
See also |:NERDTree| and |:NERDTreeFromBookmark|.
------------------------------------------------------------------------------
2.2.3. Invalid Bookmarks *NERDTreeInvalidBookmarks*
If invalid bookmarks are detected, the script will issue an error message and
the invalid bookmarks will become unavailable for use.
These bookmarks will still be stored in the bookmarks file (see
|NERDTreeBookmarksFile|), down the bottom. There will always be a blank line
after the valid bookmarks but before the invalid ones.
Each line in the bookmarks file represents one bookmark. The proper format is:
<bookmark name><space><full path to the bookmark location>
After you have corrected any invalid bookmarks, either restart vim, or go
:ReadBookmarks from the NERD tree window.
------------------------------------------------------------------------------
2.3. NERD tree Mappings *NERDTreeMappings*
Default~
Key Description help-tag~
o........Open files, directories and bookmarks......................|NERDTree-o|
go.......Open selected file, but leave cursor in the NERDTree......|NERDTree-go|
t........Open selected node/bookmark in a new tab...................|NERDTree-t|
T........Same as 't' but keep the focus on the current tab..........|NERDTree-T|
i........Open selected file in a split window.......................|NERDTree-i|
gi.......Same as i, but leave the cursor on the NERDTree...........|NERDTree-gi|
s........Open selected file in a new vsplit.........................|NERDTree-s|
gs.......Same as s, but leave the cursor on the NERDTree...........|NERDTree-gs|
O........Recursively open the selected directory....................|NERDTree-O|
x........Close the current nodes parent.............................|NERDTree-x|
X........Recursively close all children of the current node.........|NERDTree-X|
e........Edit the current dir.......................................|NERDTree-e|
<CR>............same as |NERDTree-o|.
double-click....same as |NERDTree-o|.
middle-click....same as |NERDTree-i| for files, and |NERDTree-e| for dirs.
D........Delete the current bookmark ...............................|NERDTree-D|
P........Jump to the root node......................................|NERDTree-P|
p........Jump to current nodes parent...............................|NERDTree-p|
K........Jump up inside directories at the current tree depth.......|NERDTree-K|
J........Jump down inside directories at the current tree depth.....|NERDTree-J|
<C-J>....Jump down to next sibling of the current directory.......|NERDTree-C-J|
<C-K>....Jump up to previous sibling of the current directory.....|NERDTree-C-K|
C........Change the tree root to the selected dir...................|NERDTree-C|
u........Move the tree root up one directory........................|NERDTree-u|
U........Same as 'u' except the old root node is left open..........|NERDTree-U|
r........Recursively refresh the current directory..................|NERDTree-r|
R........Recursively refresh the current root.......................|NERDTree-R|
m........Display the NERD tree menu.................................|NERDTree-m|
cd.......Change the CWD to the dir of the selected node............|NERDTree-cd|
CD.......Change tree root to the CWD...............................|NERDTree-CD|
I........Toggle whether hidden files displayed......................|NERDTree-I|
f........Toggle whether the file filters are used...................|NERDTree-f|
F........Toggle whether files are displayed.........................|NERDTree-F|
B........Toggle whether the bookmark table is displayed.............|NERDTree-B|
q........Close the NERDTree window..................................|NERDTree-q|
A........Zoom (maximize/minimize) the NERDTree window...............|NERDTree-A|
?........Toggle the display of the quick help.......................|NERDTree-?|
------------------------------------------------------------------------------
*NERDTree-o*
Default key: o
Map setting: NERDTreeMapActivateNode
Applies to: files and directories.
If a file node is selected, it is opened in the previous window.
If a directory is selected it is opened or closed depending on its current
state.
If a bookmark that links to a directory is selected then that directory
becomes the new root.
If a bookmark that links to a file is selected then that file is opened in the
previous window.
------------------------------------------------------------------------------
*NERDTree-go*
Default key: go
Map setting: NERDTreeMapPreview
Applies to: files.
If a file node is selected, it is opened in the previous window, but the
cursor does not move.
The default key combo for this mapping is "g" + NERDTreeMapActivateNode (see
|NERDTree-o|).
------------------------------------------------------------------------------
*NERDTree-t*
Default key: t
Map setting: NERDTreeMapOpenInTab
Applies to: files and directories.
Opens the selected file in a new tab. If a directory is selected, a fresh
NERD Tree for that directory is opened in a new tab.
If a bookmark which points to a directory is selected, open a NERD tree for
that directory in a new tab. If the bookmark points to a file, open that file
in a new tab.
------------------------------------------------------------------------------
*NERDTree-T*
Default key: T
Map setting: NERDTreeMapOpenInTabSilent
Applies to: files and directories.
The same as |NERDTree-t| except that the focus is kept in the current tab.
------------------------------------------------------------------------------
*NERDTree-i*
Default key: i
Map setting: NERDTreeMapOpenSplit
Applies to: files.
Opens the selected file in a new split window and puts the cursor in the new
window.
------------------------------------------------------------------------------
*NERDTree-gi*
Default key: gi
Map setting: NERDTreeMapPreviewSplit
Applies to: files.
The same as |NERDTree-i| except that the cursor is not moved.
The default key combo for this mapping is "g" + NERDTreeMapOpenSplit (see
|NERDTree-i|).
------------------------------------------------------------------------------
*NERDTree-s*
Default key: s
Map setting: NERDTreeMapOpenVSplit
Applies to: files.
Opens the selected file in a new vertically split window and puts the cursor
in the new window.
------------------------------------------------------------------------------
*NERDTree-gs*
Default key: gs
Map setting: NERDTreeMapPreviewVSplit
Applies to: files.
The same as |NERDTree-s| except that the cursor is not moved.
The default key combo for this mapping is "g" + NERDTreeMapOpenVSplit (see
|NERDTree-s|).
------------------------------------------------------------------------------
*NERDTree-O*
Default key: O
Map setting: NERDTreeMapOpenRecursively
Applies to: directories.
Recursively opens the selected directory.
All files and directories are cached, but if a directory would not be
displayed due to file filters (see |NERDTreeIgnore| |NERDTree-f|) or the
hidden file filter (see |NERDTreeShowHidden|) then its contents are not
cached. This is handy, especially if you have .svn directories.
------------------------------------------------------------------------------
*NERDTree-x*
Default key: x
Map setting: NERDTreeMapCloseDir
Applies to: files and directories.
Closes the parent of the selected node.
------------------------------------------------------------------------------
*NERDTree-X*
Default key: X
Map setting: NERDTreeMapCloseChildren
Applies to: directories.
Recursively closes all children of the selected directory.
Tip: To quickly "reset" the tree, use |NERDTree-P| with this mapping.
------------------------------------------------------------------------------
*NERDTree-e*
Default key: e
Map setting: NERDTreeMapOpenExpl
Applies to: files and directories.
|:edit|s the selected directory, or the selected file's directory. This could
result in a NERD tree or a netrw being opened, depending on
|NERDTreeHijackNetrw|.
------------------------------------------------------------------------------
*NERDTree-D*
Default key: D
Map setting: NERDTreeMapDeleteBookmark
Applies to: lines in the bookmarks table
Deletes the currently selected bookmark.
------------------------------------------------------------------------------
*NERDTree-P*
Default key: P
Map setting: NERDTreeMapJumpRoot
Applies to: no restrictions.
Jump to the tree root.
------------------------------------------------------------------------------
*NERDTree-p*
Default key: p
Map setting: NERDTreeMapJumpParent
Applies to: files and directories.
Jump to the parent node of the selected node.
------------------------------------------------------------------------------
*NERDTree-K*
Default key: K
Map setting: NERDTreeMapJumpFirstChild
Applies to: files and directories.
Jump to the first child of the current nodes parent.
If the cursor is already on the first node then do the following:
* loop back thru the siblings of the current nodes parent until we find an
open dir with children
* go to the first child of that node
------------------------------------------------------------------------------
*NERDTree-J*
Default key: J
Map setting: NERDTreeMapJumpLastChild
Applies to: files and directories.
Jump to the last child of the current nodes parent.
If the cursor is already on the last node then do the following:
* loop forward thru the siblings of the current nodes parent until we find
an open dir with children
* go to the last child of that node
------------------------------------------------------------------------------
*NERDTree-C-J*
Default key: <C-J>
Map setting: NERDTreeMapJumpNextSibling
Applies to: files and directories.
Jump to the next sibling of the selected node.
------------------------------------------------------------------------------
*NERDTree-C-K*
Default key: <C-K>
Map setting: NERDTreeMapJumpPrevSibling
Applies to: files and directories.
Jump to the previous sibling of the selected node.
------------------------------------------------------------------------------
*NERDTree-C*
Default key: C
Map setting: NERDTreeMapChangeRoot
Applies to: files and directories.
Make the selected directory node the new tree root. If a file is selected, its
parent is used.
------------------------------------------------------------------------------
*NERDTree-u*
Default key: u
Map setting: NERDTreeMapUpdir
Applies to: no restrictions.
Move the tree root up a dir (like doing a "cd ..").
------------------------------------------------------------------------------
*NERDTree-U*
Default key: U
Map setting: NERDTreeMapUpdirKeepOpen
Applies to: no restrictions.
Like |NERDTree-u| except that the old tree root is kept open.
------------------------------------------------------------------------------
*NERDTree-r*
Default key: r
Map setting: NERDTreeMapRefresh
Applies to: files and directories.
If a dir is selected, recursively refresh that dir, i.e. scan the filesystem
for changes and represent them in the tree.
If a file node is selected then the above is done on it's parent.
------------------------------------------------------------------------------
*NERDTree-R*
Default key: R
Map setting: NERDTreeMapRefreshRoot
Applies to: no restrictions.
Recursively refresh the tree root.
------------------------------------------------------------------------------
*NERDTree-m*
Default key: m
Map setting: NERDTreeMapMenu
Applies to: files and directories.
Display the NERD tree menu. See |NERDTreeMenu| for details.
------------------------------------------------------------------------------
*NERDTree-cd*
Default key: cd
Map setting: NERDTreeMapChdir
Applies to: files and directories.
Change Vim's current working directory to that of the selected node.
------------------------------------------------------------------------------
*NERDTree-CD*
Default key: CD
Map setting: NERDTreeMapCWD
Applies to: no restrictions.
Change the NERDTree root to Vim's current working directory.
------------------------------------------------------------------------------
*NERDTree-I*
Default key: I
Map setting: NERDTreeMapToggleHidden
Applies to: no restrictions.
Toggles whether hidden files (i.e. "dot files") are displayed.
------------------------------------------------------------------------------
*NERDTree-f*
Default key: f
Map setting: NERDTreeMapToggleFilters
Applies to: no restrictions.
Toggles whether file filters are used. See |NERDTreeIgnore| for details.
------------------------------------------------------------------------------
*NERDTree-F*
Default key: F
Map setting: NERDTreeMapToggleFiles
Applies to: no restrictions.
Toggles whether file nodes are displayed.
------------------------------------------------------------------------------
*NERDTree-B*
Default key: B
Map setting: NERDTreeMapToggleBookmarks
Applies to: no restrictions.
Toggles whether the bookmarks table is displayed.
------------------------------------------------------------------------------
*NERDTree-q*
Default key: q
Map setting: NERDTreeMapQuit
Applies to: no restrictions.
Closes the NERDTree window.
------------------------------------------------------------------------------
*NERDTree-A*
Default key: A
Map setting: NERDTreeMapToggleZoom
Applies to: no restrictions.
Maximize (zoom) and minimize the NERDTree window.
------------------------------------------------------------------------------
*NERDTree-?*
Default key: ?
Map setting: NERDTreeMapHelp
Applies to: no restrictions.
Toggles whether the quickhelp is displayed.
------------------------------------------------------------------------------
2.3. The NERD tree menu *NERDTreeMenu*
The NERD tree has a menu that can be programmed via the an API (see
|NERDTreeMenuAPI|). The idea is to simulate the "right click" menus that most
file explorers have.
The script comes with two default menu plugins: exec_menuitem.vim and
fs_menu.vim. fs_menu.vim adds some basic filesystem operations to the menu for
creating/deleting/moving/copying files and dirs. exec_menuitem.vim provides a
menu item to execute executable files.
Related tags: |NERDTree-m| |NERDTreeApi|
------------------------------------------------------------------------------
*NERDTreeMenu-j*
Default key: j
Map option: NERDTreeMenuDown
Applies to: The NERD tree menu.
Moves the cursor down.
------------------------------------------------------------------------------
*NERDTreeMenu-k*
Default key: k
Map option: NERDTreeMenuUp
Applies to: The NERD tree menu.
Moves the cursor up.
==============================================================================
3. Customisation *NERDTreeSettings*
------------------------------------------------------------------------------
3.1. Customisation summary *NERDTreeSettingsSummary*
The plugin provides the following settings that can customise the behaviour
the NERD tree. These settings should be set in your vimrc, using `:let`.
|loaded_nerd_tree| Turns off the script.
|NERDTreeAutoCenter| Controls whether the NERD tree window centers
when the cursor moves within a specified
distance to the top/bottom of the window.
|NERDTreeAutoCenterThreshold| Controls the sensitivity of autocentering.
|NERDTreeCaseSensitiveSort| Tells the NERD tree whether to be case
sensitive or not when sorting nodes.
|NERDTreeNaturalSort| Tells the NERD tree whether to use natural sort
order or not when sorting nodes.
|NERDTreeSortHiddenFirst| Tells the NERD tree whether to take the dot at
the beginning of the hidden file names into
account when sorting nodes.
|NERDTreeChDirMode| Tells the NERD tree if/when it should change
vim's current working directory.
|NERDTreeHighlightCursorline| Tell the NERD tree whether to highlight the
current cursor line.
|NERDTreeHijackNetrw| Tell the NERD tree whether to replace the netrw
autocommands for exploring local directories.
|NERDTreeIgnore| Tells the NERD tree which files to ignore.
|NERDTreeRespectWildIgnore| Tells the NERD tree to respect `'wildignore'`.
|NERDTreeBookmarksFile| Where the bookmarks are stored.
|NERDTreeBookmarksSort| Control how the Bookmark table is sorted.
|NERDTreeMarkBookmarks| Render bookmarked nodes with markers.
|NERDTreeMouseMode| Manage the interpretation of mouse clicks.
|NERDTreeQuitOnOpen| Closes the tree window after opening a file.
|NERDTreeShowBookmarks| Tells the NERD tree whether to display the
bookmarks table on startup.
|NERDTreeShowFiles| Tells the NERD tree whether to display files in
the tree on startup.
|NERDTreeShowHidden| Tells the NERD tree whether to display hidden
files on startup.
|NERDTreeShowLineNumbers| Tells the NERD tree whether to display line
numbers in the tree window.
|NERDTreeSortOrder| Tell the NERD tree how to sort the nodes in the
tree.
|NERDTreeStatusline| Set a statusline for NERD tree windows.
|NERDTreeWinPos| Tells the script where to put the NERD tree
window.
|NERDTreeWinSize| Sets the window size when the NERD tree is
opened.
|NERDTreeMinimalUI| Disables display of the 'Bookmarks' label and
'Press ? for help' text.
|NERDTreeCascadeSingleChildDir|
Collapses on the same line directories that have
only one child directory.
|NERDTreeCascadeOpenSingleChildDir|
Cascade open while selected directory has only
one child that also is a directory.
|NERDTreeAutoDeleteBuffer| Tells the NERD tree to automatically remove a
buffer when a file is being deleted or renamed
via a context menu command.
|NERDTreeCreatePrefix| Specify a prefix to be used when creating the
NERDTree window.
|NERDTreeRemoveFileCmd| Specify a custom shell command to be used when
deleting files. Note that it should include one
space character at the end of the command and it
applies only to files.
|NERDTreeRemoveDirCmd| Specify a custom shell command to be used when
deleting directories. Note that it should
include one space character at the end of the
command and it applies only to directories.
|NERDTreeNodeDelimiter| A single character that is used to separate the
file or directory name from the rest of the
characters on the line of text.
------------------------------------------------------------------------------
3.2. Customisation details *NERDTreeSettingsDetails*
To enable any of the below settings you should put an appropriate >
let <setting>=<value>
<line in your ~/.vimrc.
*loaded_nerd_tree*
If this plugin is making you feel homicidal, it may be a good idea to turn it
off with this line in your vimrc: >
let loaded_nerd_tree=1
<
------------------------------------------------------------------------------
*NERDTreeAutoCenter*
Values: 0 or 1.
Default: 1
If set to 1, the NERD tree window will center around the cursor if it moves to
within |NERDTreeAutoCenterThreshold| lines of the top/bottom of the window.
This is ONLY done in response to tree navigation mappings,
i.e. |NERDTree-J| |NERDTree-K| |NERDTree-C-J| |NERDTree-C-K| |NERDTree-p|
|NERDTree-P|
The centering is done with a |zz| operation.
------------------------------------------------------------------------------
*NERDTreeAutoCenterThreshold*
Values: Any natural number.
Default: 3
This setting controls the "sensitivity" of the NERD tree auto centering. See
|NERDTreeAutoCenter| for details.
------------------------------------------------------------------------------
*NERDTreeCaseSensitiveSort*
Values: 0 or 1.
Default: 0.
By default the NERD tree does not sort nodes case sensitively, i.e. nodes
could appear like this: >
bar.c
Baz.c
blarg.c
boner.c
Foo.c
<
But, if you set this setting to 1 then the case of the nodes will be taken
into account. The above nodes would then be sorted like this: >
Baz.c
Foo.c
bar.c
blarg.c
boner.c
<
------------------------------------------------------------------------------
*NERDTreeNaturalSort*
Values: 0 or 1.
Default: 0.
By default the NERD tree does not sort nodes in natural sort order, i.e. nodes
could appear like this: >
z1.txt
z10.txt
z100.txt
z11.txt
z110.txt
z2.txt
z20.txt
z3.txt
<
But if you set this setting to 1 then the natural sort order will be used. The
above nodes would then be sorted like this: >
z1.txt
z2.txt
z3.txt
z10.txt
z11.txt
z20.txt
z100.txt
z110.txt
<
------------------------------------------------------------------------------
*NERDTreeChDirMode*
Values: 0, 1 or 2.
Default: 0.
Use this setting to tell the script when (if at all) to change the current
working directory (CWD) for vim.
If it is set to 0 then the CWD is never changed by the NERD tree.
If set to 1 then the CWD is changed when the NERD tree is first loaded to the
directory it is initialized in. For example, if you start the NERD tree with >
:NERDTree /home/marty/foobar
<
then the CWD will be changed to /home/marty/foobar and will not be changed
again unless you init another NERD tree with a similar command.
If the setting is set to 2 then it behaves the same as if set to 1 except that
the CWD is changed whenever the tree root is changed. For example, if the CWD
is /home/marty/foobar and you make the node for /home/marty/foobar/baz the new
root then the CWD will become /home/marty/foobar/baz.
------------------------------------------------------------------------------
*NERDTreeHighlightCursorline*
Values: 0 or 1.
Default: 1.
If set to 1, the current cursor line in the NERD tree buffer will be
highlighted. This is done using the `'cursorline'` Vim option.
------------------------------------------------------------------------------
*NERDTreeHijackNetrw*
Values: 0 or 1.
Default: 1.
If set to 1, doing a >
:edit <some directory>
<
will open up a window level NERD tree instead of a netrw in the target window.
Window level trees behaves slightly different from a regular trees in the
following respects:
1. 'o' will open the selected file in the same window as the tree,
replacing it.
2. you can have one tree per window - instead of per tab.
------------------------------------------------------------------------------
*NERDTreeIgnore*
Values: a list of regular expressions.
Default: ['\~$'].
This setting is used to specify which files the NERD tree should ignore. It
must be a list of regular expressions. When the NERD tree is rendered, any
files/dirs that match any of the regex's in NERDTreeIgnore won't be
displayed.
For example if you put the following line in your vimrc: >
let NERDTreeIgnore=['\.vim$', '\~$']
<
then all files ending in .vim or ~ will be ignored.
There are 2 magic flags that can be appended to the end of each regular
expression to specify that the regex should match only files or only dirs.
These flags are "[[dir]]" and "[[file]]". Example: >
let NERDTreeIgnore=['\.d$[[dir]]', '\.o$[[file]]']
<
This will cause all dirs ending in ".d" to be ignored and all files ending in
".o" to be ignored.
Note: to tell the NERD tree not to ignore any files you must use the following
line: >
let NERDTreeIgnore=[]
<
The file filters can be turned on and off dynamically with the |NERDTree-f|
mapping.
------------------------------------------------------------------------------
*NERDTreeRespectWildIgnore*
Values: 0 or 1.
Default: 0.
If set to 1, the `'wildignore'` setting is respected.
------------------------------------------------------------------------------
*NERDTreeBookmarksFile*
Values: a path
Default: $HOME/.NERDTreeBookmarks
This is where bookmarks are saved. See |NERDTreeBookmarkCommands|.
------------------------------------------------------------------------------
*NERDTreeBookmarksSort*
Values: 0, 1, or 2
Default: 1
This setting controls the method by which the list of user bookmarks is
sorted. When sorted, bookmarks will render in alphabetical order by name.
If set to 0, the bookmarks list is not sorted.
If set to 1, the bookmarks list is sorted in a case-insensitive manner.
If set to 2, the bookmarks list is sorted in a case-sensitive manner.
------------------------------------------------------------------------------
*NERDTreeMarkBookmarks*
Values: 0 or 1
Default: 1
If set to 1, Bookmarks will be specially marked whenever the NERDTree is
rendered. Users of the |NERDTreeMinimalUI| setting may prefer to disable
this setting for even less visual clutter.
------------------------------------------------------------------------------
*NERDTreeMouseMode*
Values: 1, 2 or 3.
Default: 1.
If set to 1 then a double click on a node is required to open it.
If set to 2 then a single click will open directory nodes, while a double
click will still be required for file nodes.
If set to 3 then a single click will open any node.
Note: a double click anywhere on a line that a tree node is on will
activate it, but all single-click activations must be done on name of the node
itself. For example, if you have the following node: >
| | |-application.rb
<
then (to single click activate it) you must click somewhere in
'application.rb'.
------------------------------------------------------------------------------
*NERDTreeQuitOnOpen*
Values: 0 or 1.
Default: 0
If set to 1, the NERD tree window will close after opening a file with the
|NERDTree-o|, |NERDTree-i|, |NERDTree-t| and |NERDTree-T| mappings.
------------------------------------------------------------------------------
*NERDTreeShowBookmarks*
Values: 0 or 1.
Default: 0.
If this setting is set to 1 then the bookmarks table will be displayed.
This setting can be toggled dynamically, per tree, with the |NERDTree-B|
mapping.
------------------------------------------------------------------------------
*NERDTreeShowFiles*
Values: 0 or 1.
Default: 1.
If this setting is set to 1 then files are displayed in the NERD tree. If it
is set to 0 then only directories are displayed.
This setting can be toggled dynamically, per tree, with the |NERDTree-F|
mapping and is useful for drastically shrinking the tree when you are
navigating to a different part of the tree.
------------------------------------------------------------------------------
*NERDTreeShowHidden*
Values: 0 or 1.
Default: 0.
This setting tells vim whether to display hidden files by default. This
setting can be dynamically toggled, per tree, with the |NERDTree-I| mapping.
Use one of the follow lines for this setting: >
let NERDTreeShowHidden=0
let NERDTreeShowHidden=1
<
------------------------------------------------------------------------------
*NERDTreeShowLineNumbers*
Values: 0 or 1.
Default: 0.
This setting tells vim whether to display line numbers for the NERD tree
window. Use one of the follow lines for this setting: >
let NERDTreeShowLineNumbers=0
let NERDTreeShowLineNumbers=1
<
------------------------------------------------------------------------------
*NERDTreeSortOrder*
Values: a list of regular expressions.
Default: ['\/$', '*', '\.swp$', '\.bak$', '\~$']
This setting is a list of regular expressions which are used to specify the
order of nodes under their parent.
For example, if the setting is: >
['\.vim$', '\.c$', '\.h$', '*', 'foobar']
<
then all .vim files will be placed at the top, followed by all .c files then
all .h files. All files containing the string 'foobar' will be placed at the
end. The star is a special flag: it tells the script that every node that
doesn't match any of the other regexps should be placed here.
If no star is present in NERDTreeSortOrder then one is automatically
appended to the array.
The regex '\/$' should be used to match directory nodes.
A special flag can be used to sort by the modification timestamps of files and
directories. It is either '[[timestamp]]' for ascending, or '[[-timestamp]]'
for descending. If placed at the beginning of the list, files and directories
are sorted by timestamp, and then by the remaining items in the sort order
list. If this flag is in any other position of the list, timestamp sorting is
done secondarily. See examples 4, 5, and 6 below.
After this sorting is done, the files in each group are sorted alphabetically.
Examples: >
(1) ['*', '\/$']
(2) []
(3) ['\/$', '\.rb$', '\.php$', '*', '\.swp$', '\.bak$', '\~$']
(4) ['[[timestamp]]']
(5) ['\/$', '*', '[[-timestamp]]']
(6) ['\.md$', '\.c$', '[[-timestamp]]', '*']
<
1. Directories will appear last, everything else will appear above.
2. Everything will simply appear in alphabetical order.
3. Dirs will appear first, then ruby and php. Swap files, bak files and vim
backup files will appear last with everything else preceding them.
4. All files and directories are sorted by timestamp, oldest first. If any
files have identical timestamps, they are sorted alphabetically.
5. Directories are first, newest to oldest, then everything else, newest to
oldest.
6. Markdown files first, followed by C source files, then everything else.
Each group is shown newest to oldest.
------------------------------------------------------------------------------
*NERDTreeStatusline*
Values: Any valid `'statusline'` setting.
Default: %{exists('b:NERDTree')?b:NERDTree.root.path.str():''}
Defines the value for the `'statusline'` setting in NERDTree windows.
Note: The setting is actually applied using |:let-&|, not |:set|, so
escaping spaces is not necessary.
Setting this to -1 will deactivate it so that your global `'statusline'`
setting is used.
------------------------------------------------------------------------------
*NERDTreeWinPos*
Values: "left" or "right"
Default: "left".
This setting is used to determine where NERD tree window is placed on the
screen.
This setting makes it possible to use two different explorer plugins
simultaneously. For example, you could have the taglist plugin on the left of
the window and the NERD tree on the right.
------------------------------------------------------------------------------
*NERDTreeWinSize*
Values: a positive integer.
Default: 31.
This setting is used to change the size of the NERD tree when it is loaded.
------------------------------------------------------------------------------
*NERDTreeMinimalUI*
Values: 0 or 1
Default: 0
This setting disables the 'Bookmarks' label 'Press ? for help' text. Use one
of the following lines for this setting: >
let NERDTreeMinimalUI=0
let NERDTreeMinimalUI=1
<
------------------------------------------------------------------------------
*NERDTreeCascadeSingleChildDir*
Values: 0 or 1
Default: 1.
When displaying dir nodes, this setting tells NERDTree to collapse dirs that
have only one child. Use one of the following lines for this setting: >
let NERDTreeCascadeSingleChildDir=0
let NERDTreeCascadeSingleChildDir=1
<
------------------------------------------------------------------------------
*NERDTreeCascadeOpenSingleChildDir*
Values: 0 or 1
Default: 1.
When opening dir nodes, this setting tells NERDTree to recursively open dirs
that have only one child which is also a dir. NERDTree will stop when it finds
a dir that contains anything but another single dir. This setting also causes
the |NERDTree-x| mapping to close dirs in the same manner. This setting may be
useful for Java projects. Use one of the following lines for this setting: >
let NERDTreeCascadeOpenSingleChildDir=0
let NERDTreeCascadeOpenSingleChildDir=1
<
------------------------------------------------------------------------------
*NERDTreeAutoDeleteBuffer*
Values: 0 or 1
Default: 0.
When using a context menu to delete or rename a file you may also want to
delete the buffer which is no more valid. If the setting is not set you will
see a confirmation if you really want to delete an old buffer. If you always
press 'y' then it's worth it to set this setting to 1. Use one of the
following lines for this setting: >
let NERDTreeAutoDeleteBuffer=0
let NERDTreeAutoDeleteBuffer=1
<
------------------------------------------------------------------------------
*NERDTreeCreatePrefix*
Values: Any valid command prefix.
Default: "silent".
Internally, NERDTree uses the |:edit| command to create a buffer in which to
display its tree view. You can augment this behavior by specifying a prefix
string such as "keepalt" or similar. For example, to have NERDTree create its
tree window using `silent keepalt keepjumps edit`: >
let NERDTreeCreatePrefix='silent keepalt keepjumps'
<
------------------------------------------------------------------------------
*NERDTreeNodeDelimiter*
Values: Any single character.
Default: "\x07" - the non-printable character BELL.
This character is used to separate the file or directory name from the rest of
the characters in the line of text. It allows filenames to contain special
characters that are otherwise used in the NERDTree, such as square brackets,
braces, trailing asterisk, and leading space. For more details, see the
resoponsible pull request: https://github.com/scrooloose/nerdtree/pull/868.
The default should work in nearly every situation, but this setting exists for
those very rare cases where it doesn't. "\x07" was chosen because it's
non-printable, and very unlikely to be used purposefully in a filename or as a
flag by other NERDTree plugins. If you need to change the delimiter, be sure
to choose a character that won't appear in your filenames or any of the flags
set by your installed NERDTree plugins. The suggestions below are but a few of
the many possibilities. Remember to use double quotes when specifying by hex
or Unicode. >
let NERDTreeNodeDelimiter='😀'
let NERDTreeNodeDelimiter="\u00a0"
let NERDTreeNodeDelimiter="\xFF"
<
==============================================================================
4. The NERD tree API *NERDTreeAPI*
The NERD tree script allows you to add custom key mappings and menu items via
a set of API calls. Any scripts that use this API should be placed in
~/.vim/nerdtree_plugin/ (*nix) or ~/vimfiles/nerdtree_plugin (windows).
The script exposes some prototype objects that can be used to manipulate the
tree and/or get information from it: >
g:NERDTreePath
g:NERDTreeDirNode
g:NERDTreeFileNode
g:NERDTreeBookmark
<
See the code/comments in NERD_tree.vim to find how to use these objects. The
following code conventions are used:
* class members start with a capital letter
* instance members start with a lower case letter
* private members start with an underscore
See this blog post for more details:
http://got-ravings.blogspot.com/2008/09/vim-pr0n-prototype-based-objects.html
------------------------------------------------------------------------------
4.1. Key map API *NERDTreeKeymapAPI*
NERDTreeAddKeyMap({options}) *NERDTreeAddKeyMap()*
Adds a new keymapping for all NERD tree buffers.
{options} must be a dictionary, and must contain the following keys:
"key" - the trigger key for the new mapping
"callback" - the function the new mapping will be bound to
"quickhelpText" - the text that will appear in the quickhelp (see
|NERDTree-?|)
"override" - if 1 then this new mapping will override whatever previous
mapping was defined for the key/scope combo. Useful for overriding the
default mappings.
Additionally, a "scope" argument may be supplied. This constrains the
mapping so that it is only activated if the cursor is on a certain object.
That object is then passed into the handling method. Possible values are:
"FileNode" .... a file node
"DirNode" ..... a directory node
"Node" ........ a file node OR a directory node
"Bookmark" .... a bookmark
"all" ......... global scope; handler receives no arguments (default)
Example: >
call NERDTreeAddKeyMap({
\ 'key': 'foo',
\ 'callback': 'NERDTreeCDHandler',
\ 'quickhelpText': 'echo full path of current node',
\ 'scope': 'DirNode' })
function! NERDTreeCDHandler(dirnode)
call a:dirnode.changeToDir()
endfunction
<
This code should sit in a file like ~/.vim/nerdtree_plugin/mymapping.vim.
It adds a (redundant) mapping on 'foo' which changes vim's CWD to that of
the current dir node. Note this mapping will only fire when the cursor is
on a directory node.
------------------------------------------------------------------------------
4.2. Menu API *NERDTreeMenuAPI*
NERDTreeAddSubmenu({options}) *NERDTreeAddSubmenu()*
Creates and returns a new submenu.
{options} must be a dictionary and must contain the following keys:
"text" - the text of the submenu that the user will see
"shortcut" - a shortcut key for the submenu (need not be unique)
The following keys are optional:
"isActiveCallback" - a function that will be called to determine whether
this submenu item will be displayed or not. The callback function must
return 0 or 1.
"parent" - the parent submenu of the new submenu (returned from a previous
invocation of NERDTreeAddSubmenu()). If this key is left out then the new
submenu will sit under the top level menu.
See below for an example.
NERDTreeAddMenuItem({options}) *NERDTreeAddMenuItem()*
Adds a new menu item to the NERD tree menu (see |NERDTreeMenu|).
{options} must be a dictionary and must contain the
following keys:
"text" - the text of the menu item which the user will see
"shortcut" - a shortcut key for the menu item (need not be unique)
"callback" - the function that will be called when the user activates the
menu item.
The following keys are optional:
"isActiveCallback" - a function that will be called to determine whether
this menu item will be displayed or not. The callback function must return
0 or 1.
"parent" - if the menu item belongs under a submenu then this key must be
specified. This value for this key will be the object that
was returned when the submenu was created with |NERDTreeAddSubmenu()|.
See below for an example.
NERDTreeAddMenuSeparator([{options}]) *NERDTreeAddMenuSeparator()*
Adds a menu separator (a row of dashes).
{options} is an optional dictionary that may contain the following keys:
"isActiveCallback" - see description in |NERDTreeAddMenuItem()|.
Below is an example of the menu API in action. >
call NERDTreeAddMenuSeparator()
call NERDTreeAddMenuItem({
\ 'text': 'a (t)op level menu item',
\ 'shortcut': 't',
\ 'callback': 'SomeFunction' })
let submenu = NERDTreeAddSubmenu({
\ 'text': 'a (s)ub menu',
\ 'shortcut': 's' })
call NERDTreeAddMenuItem({
\ 'text': '(n)ested item 1',
\ 'shortcut': 'n',
\ 'callback': 'SomeFunction',
\ 'parent': submenu })
call NERDTreeAddMenuItem({
\ 'text': '(n)ested item 2',
\ 'shortcut': 'n',
\ 'callback': 'SomeFunction',
\ 'parent': submenu })
<
This will create the following menu: >
--------------------
a (t)op level menu item
a (s)ub menu
<
Where selecting "a (s)ub menu" will lead to a second menu: >
(n)ested item 1
(n)ested item 2
<
When any of the 3 concrete menu items are selected the function "SomeFunction"
will be called.
------------------------------------------------------------------------------
4.3 NERDTreeAddPathFilter(callback) *NERDTreeAddPathFilter()*
Path filters are essentially a more powerful version of |NERDTreeIgnore|.
If the simple regex matching in |NERDTreeIgnore| is not enough then use
|NERDTreeAddPathFilter()| to add a callback function that paths will be
checked against when the decision to ignore them is made. Example >
call NERDTreeAddPathFilter('MyFilter')
function! MyFilter(params)
"params is a dict containing keys: 'nerdtree' and 'path' which are
"g:NERDTree and g:NERDTreePath objects
"return 1 to ignore params['path'] or 0 otherwise
endfunction
<
------------------------------------------------------------------------------
4.4 Path Listener API *NERDTreePathListenerAPI*
Use this API if you want to run a callback for events on Path objects. E.G >
call g:NERDTreePathNotifier.AddListener("init", "MyListener")
"....
function! MyListener(event)
"This function will be called whenever a Path object is created.
"a:event is an object that contains a bunch of relevant info -
"including the affected path. See lib/nerdtree/event.vim for details.
endfunction
<
Current events supported:
init ~
refresh ~
refreshFlags ~
------------------------------------------------------------------------------
NERDTreeRender() *NERDTreeRender()*
Re-renders the NERD tree buffer. Useful if you change the state of the
tree and you want to it to be reflected in the UI.
==============================================================================
5. About *NERDTreeAbout*
The author of the NERD tree is a terrible terrible monster called Martyzilla
who gobbles up small children with milk and sugar for breakfast.
He can be reached at martin.grenfell at gmail dot com. He would love to hear
from you, so feel free to send him suggestions and/or comments about this
plugin. Don't be shy --- the worst he can do is slaughter you and stuff you
in the fridge for later ;)
Martyzilla recruited two other unwitting accomplices to become his minions in
his quest to conquer the Vim plugin world. While he may still love to receive
your emails, the best way to send suggestions, bug reports, and questions is
to submit an issue at http://github.com/scrooloose/nerdtree/issues.
The latest stable and development versions are on Github.
Stable: http://github.com/scrooloose/nerdtree (master branch)
Development: http://github.com/scrooloose/nerdtree/branches
Title Credit:
* http://ascii.co.uk/art/tree
* Patrick Gillespie's Text ASCII Art Generator
http://patorjk.com/software/taag
http://patorjk.com/software/taag/#p=display&f=Rozzo&t=the%20NERD%20Tree
==============================================================================
6. License *NERDTreeLicense*
The NERD tree is released under the wtfpl.
See http://sam.zoy.org/wtfpl/COPYING.
------------------------------------------------------------------------------
vim:tw=78:ts=8:ft=help:noet:nospell
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