129 lines
2.7 KiB
Lua
129 lines
2.7 KiB
Lua
local utils = require "nvim-tree.utils"
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local M = {}
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local global_handlers = {}
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M.Event = {
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Ready = "Ready",
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NodeRenamed = "NodeRenamed",
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TreeOpen = "TreeOpen",
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TreeClose = "TreeClose",
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FileCreated = "FileCreated",
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FileRemoved = "FileRemoved",
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FolderCreated = "FolderCreated",
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FolderRemoved = "FolderRemoved",
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Resize = "Resize",
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}
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local function get_handlers(event_name)
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return global_handlers[event_name] or {}
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end
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function M.subscribe(event_name, handler)
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local handlers = get_handlers(event_name)
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table.insert(handlers, handler)
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global_handlers[event_name] = handlers
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end
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local function dispatch(event_name, payload)
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for _, handler in pairs(get_handlers(event_name)) do
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local success, error = pcall(handler, payload)
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if not success then
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utils.notify.error("Handler for event " .. event_name .. " errored. " .. vim.inspect(error))
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end
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end
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end
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--@private
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function M._dispatch_ready()
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dispatch(M.Event.Ready)
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end
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--@private
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function M._dispatch_node_renamed(old_name, new_name)
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dispatch(M.Event.NodeRenamed, { old_name = old_name, new_name = new_name })
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end
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--@private
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function M._dispatch_file_removed(fname)
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dispatch(M.Event.FileRemoved, { fname = fname })
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end
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--@private
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function M._dispatch_file_created(fname)
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dispatch(M.Event.FileCreated, { fname = fname })
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end
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--@private
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function M._dispatch_folder_created(folder_name)
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dispatch(M.Event.FolderCreated, { folder_name = folder_name })
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end
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--@private
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function M._dispatch_folder_removed(folder_name)
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dispatch(M.Event.FolderRemoved, { folder_name = folder_name })
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end
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--@private
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function M._dispatch_on_tree_open()
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dispatch(M.Event.TreeOpen, nil)
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end
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--@private
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function M._dispatch_on_tree_close()
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dispatch(M.Event.TreeClose, nil)
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end
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--@private
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function M._dispatch_on_tree_resize(size)
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dispatch(M.Event.Resize, size)
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end
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--- @deprecated
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function M.on_nvim_tree_ready(handler)
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M.subscribe(M.Event.Ready, handler)
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end
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--- @deprecated
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function M.on_node_renamed(handler)
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M.subscribe(M.Event.NodeRenamed, handler)
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end
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--- @deprecated
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function M.on_file_created(handler)
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M.subscribe(M.Event.FileCreated, handler)
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end
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--- @deprecated
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function M.on_file_removed(handler)
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M.subscribe(M.Event.FileRemoved, handler)
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end
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--- @deprecated
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function M.on_folder_created(handler)
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M.subscribe(M.Event.FolderCreated, handler)
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end
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--- @deprecated
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function M.on_folder_removed(handler)
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M.subscribe(M.Event.FolderRemoved, handler)
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end
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--- @deprecated
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function M.on_tree_open(handler)
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M.subscribe(M.Event.TreeOpen, handler)
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end
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--- @deprecated
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function M.on_tree_close(handler)
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M.subscribe(M.Event.TreeClose, handler)
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end
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--- @deprecated
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function M.on_tree_resize(handler)
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M.subscribe(M.Event.Resize, handler)
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end
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return M
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