codemp-nvim/lua/codemp/neo-tree/components.lua

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-- This file contains the built-in components. Each componment is a function
-- that takes the following arguments:
-- config: A table containing the configuration provided by the user
-- when declaring this component in their renderer config.
-- node: A NuiNode object for the currently focused node.
-- state: The current state of the source providing the items.
--
-- The function should return either a table, or a list of tables, each of which
-- contains the following keys:
-- text: The text to display for this item.
-- highlight: The highlight group to apply to this text.
local highlights = require("neo-tree.ui.highlights")
local common = require("neo-tree.sources.common.components")
local codemp_utils = require("codemp.utils")
local codemp_buffers = require("codemp.buffers")
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local utils = require("neo-tree.utils")
local file_nesting = require("neo-tree.sources.common.file-nesting")
local M = {}
M.icon = function(config, node, state)
local icon, highlight
if node.type == "buffer" then
if codemp_buffers.map_rev[node.name] ~= nil then
icon = ">"
else
icon = "+"
end
highlight = highlights.FILE_ICON
elseif node.type == "directory" then
icon = "= "
highlight = highlights.DIRECTORY_ICON
elseif node.type == "root" then
if node:is_expanded() then
icon = ""
else
icon = ""
end
highlight = highlights.DIRECTORY_ICON
elseif node.type == "workspace" then
icon = "*"
if node.extra.owned then
highlight = highlights.GIT_STAGED
else
highlight = highlights.DIRECTORY_ICON
end
elseif node.type == "user" then
icon = ":"
highlight = codemp_utils.color(node.name).bg
elseif node.type == "entry" then
icon = "$"
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highlight = highlights.GIT_STAGED
elseif node.type == "button" then
icon = " "
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highlight = highlights.NORMAL
end
return {
text = icon,
highlight = highlight,
}
end
M.name = function(config, node, state)
local highlight = config.highlight or highlights.FILE_NAME
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local text = node.name
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if node.type == "title" then
text = " :: " .. node.name .. " :: "
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highlight = highlights.PREVIEW
elseif node.type == "root" then
highlight = highlights.FILTER_TERM
elseif node.type == "button" then
text = " " .. node.name .. " "
highlight = highlights.FLOAT_TITLE
end
return {
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text = text,
highlight = highlight,
}
end
M.spacer = function(config, node, state)
return {
text = " ",
highlight = highlights.NORMAL,
}
end
M.users = function(config, node, state)
local out = {}
-- TODO this is rather inefficient, maybe store reverse map precalculated?
for user, buf in pairs(codemp_buffers.users) do
if buf == node.name then
table.insert(out, {
text = " ",
highlight = codemp_utils.color(user).bg,
align = "end",
})
end
end
return out
end
-- this is basically copy-pasted from neo-tree source to remove the 0-depth case
-- https://github.com/nvim-neo-tree/neo-tree.nvim/blob/0774fa2085c62a147fcc7b56f0ac37053cc80217/lua/neo-tree/sources/common/components.lua#L383
M.indent = function(config, node, state)
if not state.skip_marker_at_level then
state.skip_marker_at_level = {}
end
local skip_marker = state.skip_marker_at_level
local indent_size = config.indent_size or 2
local padding = config.padding or 0
local level = node.level
local with_expanders = config.with_expanders == nil and file_nesting.is_enabled()
or config.with_expanders
local marker_highlight = config.highlight or highlights.INDENT_MARKER
local expander_highlight = config.expander_highlight or config.highlight or highlights.EXPANDER
local function get_expander()
if with_expanders and utils.is_expandable(node) then
return node:is_expanded() and (config.expander_expanded or "")
or (config.expander_collapsed or "")
end
end
local indent_marker = config.indent_marker or ""
local last_indent_marker = config.last_indent_marker or ""
skip_marker[level] = node.is_last_child
local indent = {}
if padding > 0 then
table.insert(indent, { text = string.rep(" ", padding) })
end
for i = 1, level do
local char = ""
local spaces_count = indent_size
local highlight = nil
if i > 1 and not skip_marker[i] or i == level then
spaces_count = spaces_count - 1
char = indent_marker
highlight = marker_highlight
if i == level then
local expander = get_expander()
if expander then
char = expander
highlight = expander_highlight
elseif node.is_last_child then
char = last_indent_marker
spaces_count = spaces_count - (vim.api.nvim_strwidth(last_indent_marker) - 1)
end
end
end
table.insert(indent, {
text = char .. string.rep(" ", spaces_count),
highlight = highlight,
no_next_padding = true,
})
end
return indent
end
return vim.tbl_deep_extend("force", common, M)