8331a24c77
* move last_group_node to DirectoryNode * move add BaseNode:as and more doc * revert parameter name changes * revert parameter name changes * add Class * move group methods into DN * tidy group methods * tidy group methods * tidy group methods * tidy group methods * parent is DirectoryNode * tidy expand all * BaseNode -> Node * move watcher to DirectoryNode * last_group_node is DirectoryNode only * simplify create-file * simplify parent * simplify collapse-all * simplify live-filter * style
92 lines
2.3 KiB
Lua
92 lines
2.3 KiB
Lua
local core = require("nvim-tree.core")
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local Iterator = require("nvim-tree.iterators.node-iterator")
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local notify = require("nvim-tree.notify")
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local DirectoryNode = require("nvim-tree.node.directory")
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local M = {}
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---@param list string[]
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---@return table
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local function to_lookup_table(list)
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local table = {}
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for _, element in ipairs(list) do
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table[element] = true
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end
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return table
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end
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---@param node DirectoryNode
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local function expand(node)
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node = node:last_group_node()
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node.open = true
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if #node.nodes == 0 then
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core.get_explorer():expand(node)
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end
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end
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---@param expansion_count integer
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---@param node Node
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---@return boolean
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local function should_expand(expansion_count, node)
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local should_halt = expansion_count >= M.MAX_FOLDER_DISCOVERY
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local should_exclude = M.EXCLUDE[node.name]
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return not should_halt and node.nodes and not node.open and not should_exclude
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end
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local function gen_iterator()
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local expansion_count = 0
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---@param parent DirectoryNode
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return function(parent)
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if parent.parent and parent.nodes and not parent.open then
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expansion_count = expansion_count + 1
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expand(parent)
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end
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Iterator.builder(parent.nodes)
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:hidden()
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---@param node DirectoryNode
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:applier(function(node)
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if should_expand(expansion_count, node) then
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expansion_count = expansion_count + 1
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expand(node)
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end
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end)
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---@param node DirectoryNode
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:recursor(function(node)
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return expansion_count < M.MAX_FOLDER_DISCOVERY and (node.group_next and { node.group_next } or (node.open and node.nodes))
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end)
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:iterate()
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if expansion_count >= M.MAX_FOLDER_DISCOVERY then
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return true
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end
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end
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end
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---Expand the directory node or the root
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---@param node Node
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function M.fn(node)
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local explorer = core.get_explorer()
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local parent = node:as(DirectoryNode) or explorer
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if not parent then
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return
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end
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if gen_iterator()(parent) then
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notify.warn("expansion iteration was halted after " .. M.MAX_FOLDER_DISCOVERY .. " discovered folders")
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end
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if explorer then
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explorer.renderer:draw()
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end
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end
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function M.setup(opts)
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M.MAX_FOLDER_DISCOVERY = opts.actions.expand_all.max_folder_discovery
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M.EXCLUDE = to_lookup_table(opts.actions.expand_all.exclude)
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end
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return M
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