local parser = require('dashboard.parser') local util = require('dashboard.util') ---@class (exact) mp.dash.ui.Config ---@field options table ---@field on_load fun(path: string) ---@field highlight_groups mp.dash.ui.highlight.Config ---@class (exact) mp.dash.ui.highlight.Config ---@field header string ---@field icon string ---@field directory string ---@field hotkey string ---@class mp.dash.ui.row.Hl: mp.dash.ui.col.Hl ---@field row integer ---@class mp.dash.ui.col.Hl ---@field col integer ---@field len integer ---@field name string ---@class mp.dash.Ui ---@field private config mp.dash.ui.Config local M = {} ---@private M.ns = vim.api.nvim_create_namespace('Dashboard') ---called from init on setup ---@param config mp.dash.ui.Config function M.setup(config) M.config = config end ---@class mp.dash.Width ---@field header integer ---@field values integer ---@class mp.dash.View ---@field height integer ---@field width integer ---@class mp.dash.Dash ---@field buf integer ---@field private header string[] ---@field private values mp.dash.Value[] ---@field private footer string[] ---@field private width mp.dash.Width ---@field private lines string[] ---@field private hls mp.dash.ui.row.Hl[] ---@field private win mp.dash.View local Dash = {} Dash.__index = Dash ---@return mp.dash.Dash function Dash.new() local self = setmetatable({}, Dash) self.buf = vim.api.nvim_get_current_buf() if not util.empty(self.buf) then self.buf = vim.api.nvim_create_buf(false, true) vim.api.nvim_win_set_buf(0, self.buf) end for name, value in pairs(M.config.options) do vim.opt_local[name] = value end self.header = parser.header() self.values = parser.values() self.footer = parser.footer() self.width = { header = 0, values = 0 } for _, header in ipairs(self.header) do local width = util.len(header) self.width.header = math.max(self.width.header, width) end for _, value in ipairs(self.values) do -- format: [] -- space : <1><1>< ><1>1<1 >1 -- : icon + path + 6 local icon, path = value.icon, value.path local width = util.len(icon) + util.len(path) + 6 self.width.values = math.max(self.width.values, width) end for _, value in ipairs(self.values) do local path = vim.fs.normalize(value.path) vim.keymap.set('n', value.key, function() vim.cmd('lcd ' .. path) vim.cmd('e .') M.config.on_load(path) end, { buffer = self.buf }) end return self end function Dash:load() vim.bo[self.buf].modifiable = true self.lines = {} self.hls = {} self.win = { height = vim.api.nvim_win_get_height(0), width = vim.api.nvim_win_get_width(0), } self:populate() vim.api.nvim_buf_set_lines(self.buf, 0, -1, false, self.lines) for _, hl in ipairs(self.hls) do vim.api.nvim_buf_set_extmark(self.buf, M.ns, hl.row, hl.col, { end_col = hl.col + hl.len, hl_group = hl.name, }) end vim.bo[self.buf].modifiable = false vim.bo[self.buf].modified = false end ---@private function Dash:populate() local height = #self.header + (2 * #self.values) + #self.footer for _ = 1, util.center(self.win.height, height) do self.lines[#self.lines + 1] = '' end for _, header in ipairs(self.header) do self:line(header) end for _, value in ipairs(self.values) do self:value(value) self.lines[#self.lines + 1] = '' end for _, footer in ipairs(self.footer) do self:line(footer) end end ---@private ---@param line string function Dash:line(line) local groups = M.config.highlight_groups self:center(line, { { col = 0, len = #line, name = groups.header }, }) end ---@private ---@param value mp.dash.Value function Dash:value(value) local limit = math.min(self.win.width, self.width.header) local width = math.max(self.width.values, limit) local l = ('%s %s'):format(value.icon, value.path) local r = ('[%s]'):format(value.key) local line = ('%s %s %s'):format( l, ('.'):rep(width - util.len(l) - util.len(r) - 2), r ) local groups = M.config.highlight_groups self:center(line, { { col = 0, len = #value.icon, name = groups.icon }, { col = #value.icon + 1, len = #value.path, name = groups.directory }, { col = #line - #r, len = #r, name = groups.hotkey }, }) end ---@private ---@param line string ---@param hls mp.dash.ui.col.Hl[] function Dash:center(line, hls) local padding = util.center(self.win.width, util.len(line)) for _, hl in ipairs(hls) do ---@cast hl mp.dash.ui.row.Hl hl.row = #self.lines hl.col = hl.col + padding self.hls[#self.hls + 1] = hl end self.lines[#self.lines + 1] = (' '):rep(padding) .. line end M.new = Dash.new return M