refactor: imporve this plugin file framework

lua/Trans/core/window.lua

@@ -1,145 +0,0 @@
-local M    = {}
-local api  = vim.api
-local conf = require('Trans').conf
-local util = require('Trans.util')
-
-M.id    = 0
-M.ns    = api.nvim_create_namespace('Trans')
-M.bufnr = api.nvim_create_buf(false, true)
-
-
-function M.init(view)
-    vim.validate {
-        view = { view, 's' }
-    }
-
-    M.view = view
-    local is_float = view == 'float'
-    M.height = conf.window[view].height
-    M.width = conf.window[view].width
-
-    local opts = {
-        relative  = is_float and 'editor' or 'cursor',
-        width     = M.width,
-        height    = M.height,
-        style     = 'minimal',
-        border    = conf.window.border,
-        title     = {
-            { '', 'TransTitleRound' },
-            -- { '', 'TransTitleRound' },
-            { conf.icon.title .. ' Trans', 'TransTitle' },
-            -- { '', 'TransTitleRound' },
-            { '', 'TransTitleRound' },
-        },
-        title_pos = 'center',
-        focusable = true,
-        zindex    = 100,
-    }
-
-    if is_float then
-        opts.row = math.floor((vim.o.lines - M.height) / 2)
-        opts.col = math.floor((vim.o.columns - M.width) / 2)
-    else
-        opts.row = 2
-        opts.col = 2
-    end
-
-    M.id = api.nvim_open_win(M.bufnr, is_float, opts)
-end
-
-M.draw = function(content)
-    api.nvim_buf_set_option(M.bufnr, 'modifiable', true)
-
-    api.nvim_buf_set_lines(M.bufnr, 0, -1, false, content.lines)
-    if content.highlights then
-        for l, _hl in pairs(content.highlights) do
-            for _, hl in ipairs(_hl) do
-                api.nvim_buf_add_highlight(M.bufnr, M.ns, hl.name, l - 1, hl._start, hl._end) -- zero index
-            end
-        end
-    end
-    M.load_opts()
-end
-
-
-M.load_opts = function()
-    api.nvim_buf_set_option(M.bufnr, 'modifiable', false)
-    api.nvim_buf_set_option(M.bufnr, 'filetype', 'Trans')
-    api.nvim_win_set_option(M.id, 'winhl', 'Normal:TransWin,FloatBorder:TransBorder')
-    M['load_' .. M.view .. '_opts']()
-
-end
-
-
-M.load_hover_opts = function()
-    local keymap = conf.keymap[M.view]
-    local action = require('Trans.core.action')
-
-    for act, key in pairs(keymap) do
-        vim.keymap.set('n', key, action[act])
-    end
-
-    api.nvim_create_autocmd(
-        { 'InsertEnter', 'CursorMoved', 'BufLeave', }, {
-        buffer = 0,
-        once = true,
-        callback = M.close,
-    })
-    api.nvim_win_set_option(M.id, 'wrap', M.view ~= 'float')
-
-    local height = util.get_height(M.bufnr, M.id)
-    if M.height > height then
-        api.nvim_win_set_height(M.id, height)
-        M.height = height
-    end
-end
-
-
-M.load_float_opts = function()
-    vim.keymap.set('n', 'q', function()
-        if api.nvim_win_is_valid(M.id) then
-            api.nvim_win_close(M.id, true)
-        end
-    end, { buffer = M.bufnr, silent = true })
-
-    vim.keymap.set('n', '<Esc>', function()
-        if api.nvim_win_is_valid(M.id) then
-            api.nvim_win_close(M.id, true)
-        end
-    end, { buffer = M.bufnr, silent = true })
-end
-
-
-
-
-M.close = function()
-    if api.nvim_win_is_valid(M.id) then
-        if conf.window.animation then
-            local function narrow()
-                if M.height > 1 then
-                    M.height = M.height - 1
-                    api.nvim_win_set_height(M.id, M.height)
-                    vim.defer_fn(narrow, 13)
-                else
-                    -- Wait animation done
-                    vim.defer_fn(function ()
-                        api.nvim_win_close(M.id, true)
-                    end, 15)
-                end
-            end
-
-            narrow()
-        else
-            api.nvim_win_close(M.id, true)
-        end
-    end
-end
-
-
-M.show = function()
-    M.init(M.view or 'float')
-    M.load_opts()
-end
-
-
-return M