707 lines
22 KiB
VimL
707 lines
22 KiB
VimL
" ============================================================================
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" CLASS: TreeDirNode
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"
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" A subclass of NERDTreeFileNode.
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"
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" The 'composite' part of the file/dir composite.
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" ============================================================================
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let s:TreeDirNode = copy(g:NERDTreeFileNode)
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let g:NERDTreeDirNode = s:TreeDirNode
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" FUNCTION: TreeDirNode.AbsoluteTreeRoot(){{{1
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" Class method that returns the highest cached ancestor of the current root.
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function! s:TreeDirNode.AbsoluteTreeRoot()
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let currentNode = b:NERDTree.root
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while currentNode.parent !=# {}
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let currentNode = currentNode.parent
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endwhile
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return currentNode
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endfunction
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" FUNCTION: TreeDirNode.activate([options]) {{{1
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function! s:TreeDirNode.activate(...)
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let l:options = (a:0 > 0) ? a:1 : {}
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call self.toggleOpen(l:options)
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" Note that we only re-render the NERDTree for this node if we did NOT
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" create a new node and render it in a new window or tab. In the latter
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" case, rendering the NERDTree for this node could overwrite the text of
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" the new NERDTree!
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if !has_key(l:options, 'where') || empty(l:options['where'])
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call self.getNerdtree().render()
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call self.putCursorHere(0, 0)
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endif
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endfunction
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" FUNCTION: TreeDirNode.addChild(treenode, inOrder) {{{1
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" Adds the given treenode to the list of children for this node
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"
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" Args:
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" -treenode: the node to add
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" -inOrder: 1 if the new node should be inserted in sorted order
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function! s:TreeDirNode.addChild(treenode, inOrder)
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call add(self.children, a:treenode)
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let a:treenode.parent = self
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if a:inOrder
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call self.sortChildren()
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endif
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endfunction
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" FUNCTION: TreeDirNode.close() {{{1
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" Mark this TreeDirNode as closed.
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function! s:TreeDirNode.close()
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" Close all directories in this directory node's cascade. This is
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" necessary to ensure consistency when cascades are rendered.
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for l:dirNode in self.getCascade()
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let l:dirNode.isOpen = 0
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endfor
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endfunction
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" FUNCTION: TreeDirNode.closeChildren() {{{1
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" Recursively close any directory nodes that are descendants of this node.
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function! s:TreeDirNode.closeChildren()
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for l:child in self.children
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if l:child.path.isDirectory
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call l:child.close()
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call l:child.closeChildren()
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endif
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endfor
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endfunction
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" FUNCTION: TreeDirNode.createChild(path, inOrder) {{{1
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" Instantiates a new child node for this node with the given path. The new
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" nodes parent is set to this node.
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"
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" Args:
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" path: a Path object that this node will represent/contain
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" inOrder: 1 if the new node should be inserted in sorted order
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"
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" Returns:
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" the newly created node
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function! s:TreeDirNode.createChild(path, inOrder)
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let newTreeNode = g:NERDTreeFileNode.New(a:path, self.getNerdtree())
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call self.addChild(newTreeNode, a:inOrder)
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return newTreeNode
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endfunction
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" FUNCTION: TreeDirNode.displayString() {{{1
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" Assemble and return a string that can represent this TreeDirNode object in
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" the NERDTree window.
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function! s:TreeDirNode.displayString()
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let l:result = ''
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" Build a label that identifies this TreeDirNode.
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let l:label = ''
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let l:cascade = self.getCascade()
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for l:dirNode in l:cascade
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let l:next = l:dirNode.path.displayString()
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let l:label .= l:label ==# '' ? l:next : substitute(l:next,'^.','','')
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endfor
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" Select the appropriate open/closed status indicator symbol.
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let l:symbol = (l:cascade[-1].isOpen ? g:NERDTreeDirArrowCollapsible : g:NERDTreeDirArrowExpandable )
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let l:symbol .= (g:NERDTreeDirArrowExpandable ==# '' ? '' : ' ')
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let l:flags = l:cascade[-1].path.flagSet.renderToString()
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return l:symbol . l:flags . l:label
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endfunction
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" FUNCTION: TreeDirNode.findNode(path) {{{1
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" Will find one of the children (recursively) that has the given path
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"
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" Args:
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" path: a path object
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unlet s:TreeDirNode.findNode
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function! s:TreeDirNode.findNode(path)
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if a:path.equals(self.path)
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return self
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endif
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if stridx(a:path.str(), self.path.str(), 0) ==# -1
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return {}
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endif
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if self.path.isDirectory
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for i in self.children
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let retVal = i.findNode(a:path)
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if retVal !=# {}
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return retVal
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endif
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endfor
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endif
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return {}
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endfunction
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" FUNCTION: TreeDirNode.getCascade() {{{1
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" Return an array of dir nodes (starting from self) that can be cascade opened.
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function! s:TreeDirNode.getCascade()
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if !self.isCascadable()
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return [self]
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endif
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let vc = self.getVisibleChildren()
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let visChild = vc[0]
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return [self] + visChild.getCascade()
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endfunction
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" FUNCTION: TreeDirNode.getCascadeRoot() {{{1
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" Return the first directory node in the cascade in which this directory node
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" is rendered.
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function! s:TreeDirNode.getCascadeRoot()
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" Don't search above the current NERDTree root node.
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if self.isRoot()
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return self
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endif
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let l:cascadeRoot = self
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let l:parent = self.parent
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while !empty(l:parent) && !l:parent.isRoot()
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if index(l:parent.getCascade(), self) ==# -1
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break
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endif
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let l:cascadeRoot = l:parent
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let l:parent = l:parent.parent
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endwhile
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return l:cascadeRoot
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endfunction
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" FUNCTION: TreeDirNode.getChildCount() {{{1
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" Returns the number of children this node has
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function! s:TreeDirNode.getChildCount()
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return len(self.children)
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endfunction
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" FUNCTION: TreeDirNode.getChild(path) {{{1
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" Returns child node of this node that has the given path or {} if no such node
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" exists.
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"
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" This function doesnt not recurse into child dir nodes
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"
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" Args:
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" path: a path object
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function! s:TreeDirNode.getChild(path)
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if stridx(a:path.str(), self.path.str(), 0) ==# -1
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return {}
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endif
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let index = self.getChildIndex(a:path)
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if index ==# -1
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return {}
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else
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return self.children[index]
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endif
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endfunction
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" FUNCTION: TreeDirNode.getChildByIndex(indx, visible) {{{1
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" returns the child at the given index
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"
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" Args:
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" indx: the index to get the child from
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" visible: 1 if only the visible children array should be used, 0 if all the
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" children should be searched.
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function! s:TreeDirNode.getChildByIndex(indx, visible)
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let array_to_search = a:visible? self.getVisibleChildren() : self.children
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if a:indx > len(array_to_search)
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throw 'NERDTree.InvalidArgumentsError: Index is out of bounds.'
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endif
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return array_to_search[a:indx]
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endfunction
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" FUNCTION: TreeDirNode.getChildIndex(path) {{{1
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" Returns the index of the child node of this node that has the given path or
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" -1 if no such node exists.
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"
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" This function doesnt not recurse into child dir nodes
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"
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" Args:
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" path: a path object
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function! s:TreeDirNode.getChildIndex(path)
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if stridx(a:path.str(), self.path.str(), 0) ==# -1
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return -1
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endif
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"do a binary search for the child
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let a = 0
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let z = self.getChildCount()
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while a < z
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let mid = (a+z)/2
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let diff = nerdtree#compareNodePaths(a:path, self.children[mid].path)
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if diff ==# -1
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let z = mid
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elseif diff ==# 1
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let a = mid+1
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else
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return mid
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endif
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endwhile
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return -1
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endfunction
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" FUNCTION: TreeDirNode.getDirChildren() {{{1
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" Return a list of all child nodes from 'self.children' that are of type
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" TreeDirNode. This function supports http://github.com/scrooloose/nerdtree-project-plugin.git.
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function! s:TreeDirNode.getDirChildren()
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return filter(copy(self.children), 'v:val.path.isDirectory ==# 1')
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endfunction
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" FUNCTION: TreeDirNode._glob(pattern, all) {{{1
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" Return a list of strings naming the descendants of the directory in this
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" TreeDirNode object that match the specified glob pattern.
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"
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" Args:
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" pattern: (string) the glob pattern to apply
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" all: (0 or 1) if 1, include '.' and '..' if they match 'pattern'; if 0,
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" always exclude them
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"
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" Note: If the pathnames in the result list are below the working directory,
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" they are returned as pathnames relative to that directory. This is because
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" this function, internally, attempts to obey 'wildignore' rules that use
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" relative paths.
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function! s:TreeDirNode._glob(pattern, all)
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" Construct a path specification such that globpath() will return
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" relative pathnames, if possible.
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if self.path.str() ==# getcwd()
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let l:pathSpec = ','
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else
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let l:pathSpec = escape(fnamemodify(self.path.str({'format': 'Glob'}), ':.'), ',')
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" On Windows, the drive letter may be removed by "fnamemodify()".
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if nerdtree#runningWindows() && l:pathSpec[0] == nerdtree#slash()
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let l:pathSpec = self.path.drive . l:pathSpec
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endif
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endif
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let l:globList = []
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" See ':h version7.txt' and ':h version8.txt' for details on the
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" development of the glob() and globpath() functions.
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if v:version > 704 || (v:version ==# 704 && has('patch654'))
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let l:globList = globpath(l:pathSpec, a:pattern, !g:NERDTreeRespectWildIgnore, 1, 0)
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elseif v:version ==# 704 && has('patch279')
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let l:globList = globpath(l:pathSpec, a:pattern, !g:NERDTreeRespectWildIgnore, 1)
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elseif v:version > 702 || (v:version ==# 702 && has('patch051'))
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let l:globString = globpath(l:pathSpec, a:pattern, !g:NERDTreeRespectWildIgnore)
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let l:globList = split(l:globString, "\n")
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else
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let l:globString = globpath(l:pathSpec, a:pattern)
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let l:globList = split(l:globString, "\n")
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endif
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" If a:all is false, filter '.' and '..' from the output.
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if !a:all
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let l:toRemove = []
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for l:file in l:globList
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let l:tail = fnamemodify(l:file, ':t')
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" If l:file has a trailing slash, then its :tail will be ''. Use
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" :h to drop the slash and the empty string after it; then use :t
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" to get the directory name.
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if l:tail ==# ''
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let l:tail = fnamemodify(l:file, ':h:t')
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endif
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if l:tail ==# '.' || l:tail ==# '..'
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call add(l:toRemove, l:file)
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if len(l:toRemove) ==# 2
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break
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endif
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endif
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endfor
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for l:file in l:toRemove
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call remove(l:globList, index(l:globList, l:file))
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endfor
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endif
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return l:globList
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endfunction
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" FUNCTION: TreeDirNode.GetSelected() {{{1
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" Returns the current node if it is a dir node, or else returns the current
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" nodes parent
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unlet s:TreeDirNode.GetSelected
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function! s:TreeDirNode.GetSelected()
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let currentDir = g:NERDTreeFileNode.GetSelected()
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if currentDir !=# {} && !currentDir.isRoot()
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if currentDir.path.isDirectory ==# 0
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let currentDir = currentDir.parent
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endif
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endif
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return currentDir
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endfunction
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" FUNCTION: TreeDirNode.getVisibleChildCount() {{{1
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" Returns the number of visible children this node has
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function! s:TreeDirNode.getVisibleChildCount()
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return len(self.getVisibleChildren())
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endfunction
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" FUNCTION: TreeDirNode.getVisibleChildren() {{{1
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" Returns a list of children to display for this node, in the correct order
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"
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" Return:
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" an array of treenodes
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function! s:TreeDirNode.getVisibleChildren()
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let toReturn = []
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for i in self.children
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if i.path.ignore(self.getNerdtree()) ==# 0
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call add(toReturn, i)
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endif
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endfor
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return toReturn
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endfunction
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" FUNCTION: TreeDirNode.hasVisibleChildren() {{{1
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" returns 1 if this node has any childre, 0 otherwise..
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function! s:TreeDirNode.hasVisibleChildren()
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return self.getVisibleChildCount() !=# 0
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endfunction
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" FUNCTION: TreeDirNode.isCascadable() {{{1
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" true if this dir has only one visible child that is also a dir
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" false if this dir is bookmarked or symlinked. Why? Two reasons:
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" 1. If cascaded, we don't know which dir is bookmarked or is a symlink.
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" 2. If the parent is a symlink or is bookmarked, you end up with unparsable
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" text, and NERDTree cannot get the path of any child node.
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" Also, return false if this directory is the tree root, which should never be
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" part of a cascade.
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function! s:TreeDirNode.isCascadable()
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if g:NERDTreeCascadeSingleChildDir ==# 0
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return 0
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endif
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if self.isRoot()
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return 0
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endif
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if self.path.isSymLink
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return 0
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endif
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for i in g:NERDTreeBookmark.Bookmarks()
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if i.path.equals(self.path)
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return 0
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endif
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endfor
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let c = self.getVisibleChildren()
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return len(c) ==# 1 && c[0].path.isDirectory
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endfunction
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" FUNCTION: TreeDirNode._initChildren() {{{1
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" Removes all childen from this node and re-reads them
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"
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" Args:
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" silent: 1 if the function should not echo any 'please wait' messages for
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" large directories
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"
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" Return: the number of child nodes read
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function! s:TreeDirNode._initChildren(silent)
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"remove all the current child nodes
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let self.children = []
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let files = self._glob('*', 1) + self._glob('.*', 0)
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if !a:silent && len(files) > g:NERDTreeNotificationThreshold
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call nerdtree#echo('Please wait, caching a large dir ...')
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endif
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let invalidFilesFound = 0
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for i in files
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try
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let path = g:NERDTreePath.New(i)
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call self.createChild(path, 0)
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call g:NERDTreePathNotifier.NotifyListeners('init', path, self.getNerdtree(), {})
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catch /^NERDTree.\(InvalidArguments\|InvalidFiletype\)Error/
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let invalidFilesFound += 1
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endtry
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endfor
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let g:NERDTreeOldSortOrder = g:NERDTreeSortOrder
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call self.sortChildren()
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call nerdtree#echo('')
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if invalidFilesFound
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call nerdtree#echoWarning(invalidFilesFound . ' file(s) could not be loaded into the NERD tree')
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endif
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return self.getChildCount()
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endfunction
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" FUNCTION: TreeDirNode.New(path, nerdtree) {{{1
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" Return a new TreeDirNode object with the given path and parent.
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"
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" Args:
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" path: dir that the node represents
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" nerdtree: the tree the node belongs to
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function! s:TreeDirNode.New(path, nerdtree)
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if a:path.isDirectory !=# 1
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throw 'NERDTree.InvalidArgumentsError: A TreeDirNode object must be instantiated with a directory Path object.'
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endif
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let newTreeNode = copy(self)
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let newTreeNode.path = a:path
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let newTreeNode.isOpen = 0
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let newTreeNode.children = []
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let newTreeNode.parent = {}
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let newTreeNode._nerdtree = a:nerdtree
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return newTreeNode
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endfunction
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" FUNCTION: TreeDirNode.open([options]) {{{1
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" Open this directory node in the current tree or elsewhere if special options
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" are provided. Return 0 if options were processed. Otherwise, return the
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" number of new cached nodes.
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function! s:TreeDirNode.open(...)
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let l:options = a:0 ? a:1 : {}
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" If special options were specified, process them and return.
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if has_key(l:options, 'where') && !empty(l:options['where'])
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let l:opener = g:NERDTreeOpener.New(self.path, l:options)
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call l:opener.open(self)
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return 0
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endif
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" Open any ancestors of this node that render within the same cascade.
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let l:parent = self.parent
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while !empty(l:parent) && !l:parent.isRoot()
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if index(l:parent.getCascade(), self) >= 0
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let l:parent.isOpen = 1
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let l:parent = l:parent.parent
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else
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break
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endif
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endwhile
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let self.isOpen = 1
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let l:numChildrenCached = 0
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if empty(self.children)
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let l:numChildrenCached = self._initChildren(0)
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endif
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return l:numChildrenCached
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endfunction
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" FUNCTION: TreeDirNode.openAlong([opts]) {{{1
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" recursive open the dir if it has only one directory child.
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"
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" return the level of opened directories.
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function! s:TreeDirNode.openAlong(...)
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let opts = a:0 ? a:1 : {}
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let level = 0
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let node = self
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while node.path.isDirectory
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call node.open(opts)
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let level += 1
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if node.getVisibleChildCount() ==# 1
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let node = node.getChildByIndex(0, 1)
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else
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break
|
|
endif
|
|
endwhile
|
|
return level
|
|
endfunction
|
|
|
|
" FUNCTION: TreeDirNode.openExplorer() {{{1
|
|
" Open an explorer window for this node in the previous window. The explorer
|
|
" can be a NERDTree window or a netrw window.
|
|
function! s:TreeDirNode.openExplorer()
|
|
execute 'wincmd p'
|
|
execute 'edit '.self.path.str({'format':'Edit'})
|
|
endfunction
|
|
|
|
" FUNCTION: TreeDirNode.openInNewTab(options) {{{1
|
|
unlet s:TreeDirNode.openInNewTab
|
|
function! s:TreeDirNode.openInNewTab(options)
|
|
call nerdtree#deprecated('TreeDirNode.openInNewTab', 'is deprecated, use open() instead')
|
|
call self.open({'where': 't'})
|
|
endfunction
|
|
|
|
" FUNCTION: TreeDirNode._openInNewTab() {{{1
|
|
function! s:TreeDirNode._openInNewTab()
|
|
tabnew
|
|
call g:NERDTreeCreator.CreateTabTree(self.path.str())
|
|
endfunction
|
|
|
|
" FUNCTION: TreeDirNode.openRecursively() {{{1
|
|
" Open this directory node and any descendant directory nodes whose pathnames
|
|
" are not ignored.
|
|
function! s:TreeDirNode.openRecursively()
|
|
silent call self.open()
|
|
|
|
for l:child in self.children
|
|
if l:child.path.isDirectory && !l:child.path.ignore(l:child.getNerdtree())
|
|
call l:child.openRecursively()
|
|
endif
|
|
endfor
|
|
endfunction
|
|
|
|
" FUNCTION: TreeDirNode.refresh() {{{1
|
|
function! s:TreeDirNode.refresh()
|
|
call self.path.refresh(self.getNerdtree())
|
|
|
|
"if this node was ever opened, refresh its children
|
|
if self.isOpen || !empty(self.children)
|
|
let files = self._glob('*', 1) + self._glob('.*', 0)
|
|
let newChildNodes = []
|
|
let invalidFilesFound = 0
|
|
for i in files
|
|
try
|
|
"create a new path and see if it exists in this nodes children
|
|
let path = g:NERDTreePath.New(i)
|
|
let newNode = self.getChild(path)
|
|
if newNode !=# {}
|
|
call newNode.refresh()
|
|
call add(newChildNodes, newNode)
|
|
|
|
"the node doesnt exist so create it
|
|
else
|
|
let newNode = g:NERDTreeFileNode.New(path, self.getNerdtree())
|
|
let newNode.parent = self
|
|
call add(newChildNodes, newNode)
|
|
endif
|
|
catch /^NERDTree.\(InvalidArguments\|InvalidFiletype\)Error/
|
|
let invalidFilesFound = 1
|
|
endtry
|
|
endfor
|
|
|
|
"swap this nodes children out for the children we just read/refreshed
|
|
let self.children = newChildNodes
|
|
call self.sortChildren()
|
|
|
|
if invalidFilesFound
|
|
call nerdtree#echoWarning('some files could not be loaded into the NERD tree')
|
|
endif
|
|
endif
|
|
endfunction
|
|
|
|
" FUNCTION: TreeDirNode.refreshFlags() {{{1
|
|
unlet s:TreeDirNode.refreshFlags
|
|
function! s:TreeDirNode.refreshFlags()
|
|
call self.path.refreshFlags(self.getNerdtree())
|
|
for i in self.children
|
|
call i.refreshFlags()
|
|
endfor
|
|
endfunction
|
|
|
|
" FUNCTION: TreeDirNode.refreshDirFlags() {{{1
|
|
function! s:TreeDirNode.refreshDirFlags()
|
|
call self.path.refreshFlags(self.getNerdtree())
|
|
endfunction
|
|
|
|
" FUNCTION: TreeDirNode.reveal(path) {{{1
|
|
" reveal the given path, i.e. cache and open all treenodes needed to display it
|
|
" in the UI
|
|
" Returns the revealed node
|
|
function! s:TreeDirNode.reveal(path, ...)
|
|
let opts = a:0 ? a:1 : {}
|
|
|
|
if !a:path.isUnder(self.path)
|
|
throw 'NERDTree.InvalidArgumentsError: ' . a:path.str() . ' should be under ' . self.path.str()
|
|
endif
|
|
|
|
call self.open()
|
|
|
|
if self.path.equals(a:path.getParent())
|
|
let n = self.findNode(a:path)
|
|
" We may be looking for a newly-saved file that isn't in the tree yet.
|
|
if n ==# {}
|
|
call self.refresh()
|
|
let n = self.findNode(a:path)
|
|
endif
|
|
if has_key(opts, 'open')
|
|
call n.open()
|
|
endif
|
|
return n
|
|
endif
|
|
|
|
let p = a:path
|
|
while !p.getParent().equals(self.path)
|
|
let p = p.getParent()
|
|
endwhile
|
|
|
|
let n = self.findNode(p)
|
|
return n.reveal(a:path, opts)
|
|
endfunction
|
|
|
|
" FUNCTION: TreeDirNode.removeChild(treenode) {{{1
|
|
" Remove the given treenode from self.children.
|
|
" Throws NERDTree.ChildNotFoundError if the node is not found.
|
|
"
|
|
" Args:
|
|
" treenode: the node object to remove
|
|
function! s:TreeDirNode.removeChild(treenode)
|
|
for i in range(0, self.getChildCount()-1)
|
|
if self.children[i].equals(a:treenode)
|
|
call remove(self.children, i)
|
|
return
|
|
endif
|
|
endfor
|
|
|
|
throw 'NERDTree.ChildNotFoundError: child node was not found'
|
|
endfunction
|
|
|
|
" FUNCTION: TreeDirNode.sortChildren() {{{1
|
|
" Sort self.children by alphabetical order and directory priority.
|
|
function! s:TreeDirNode.sortChildren()
|
|
if count(g:NERDTreeSortOrder, '*') < 1
|
|
call add(g:NERDTreeSortOrder, '*')
|
|
endif
|
|
let CompareFunc = function('nerdtree#compareNodes')
|
|
call sort(self.children, CompareFunc)
|
|
let g:NERDTreeOldSortOrder = g:NERDTreeSortOrder
|
|
endfunction
|
|
|
|
" FUNCTION: TreeDirNode.toggleOpen([options]) {{{1
|
|
" Opens this directory if it is closed and vice versa
|
|
function! s:TreeDirNode.toggleOpen(...)
|
|
let opts = a:0 ? a:1 : {}
|
|
if self.isOpen ==# 1
|
|
call self.close()
|
|
else
|
|
if g:NERDTreeCascadeOpenSingleChildDir ==# 0
|
|
call self.open(opts)
|
|
else
|
|
call self.openAlong(opts)
|
|
endif
|
|
endif
|
|
endfunction
|
|
|
|
" FUNCTION: TreeDirNode.transplantChild(newNode) {{{1
|
|
" Replaces the child of this with the given node (where the child node's full
|
|
" path matches a:newNode's fullpath). The search for the matching node is
|
|
" non-recursive
|
|
"
|
|
" Arg:
|
|
" newNode: the node to graft into the tree
|
|
function! s:TreeDirNode.transplantChild(newNode)
|
|
for i in range(0, self.getChildCount()-1)
|
|
if self.children[i].equals(a:newNode)
|
|
let self.children[i] = a:newNode
|
|
let a:newNode.parent = self
|
|
break
|
|
endif
|
|
endfor
|
|
endfunction
|
|
|
|
" vim: set sw=4 sts=4 et fdm=marker:
|