rockbox/apps/plugins/lua_scripts.lua

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--[[
/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2017 William Wilgus
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
]]
local scrpath = rb.current_path() .. "/lua_scripts/"
package.path = scrpath .. "/?.lua;" .. package.path --add lua_scripts directory to path
require("printmenus")
rb.actions = nil
package.loaded["actions"] = nil
local excludedsrc = ";filebrowse.lua;fileviewers.lua;printmenu.lua;dbgettags.lua;"
--------------------------------------------------------------------------------
local Icon_Plugin = 0x9
local function get_files(path, norecurse, finddir, findfile, f_t, d_t)
local quit = false
local files = f_t or {}
local dirs = d_t or {}
local function f_filedir(name)
--default find function
-- example: return name:find(".mp3", 1, true) ~= nil
if name:len() <= 2 and (name == "." or name == "..") then
return false
end
if string.find(excludedsrc, ";" .. name .. ";") then
return false
end
if string.sub(name, -4) == ".lua" then
return true
end
return false
end
local function d_filedir(name)
--default discard function
return false
end
if finddir == nil then
finddir = f_filedir
elseif type(finddir) ~= "function" then
finddir = d_filedir
end
if findfile == nil then
findfile = f_filedir
elseif type(findfile) ~= "function" then
findfile = d_filedir
end
local function _get_files(path, cancelbtn)
local sep = ""
if string.sub(path, - 1) ~= "/" then sep = "/" end
for fname, isdir in luadir.dir(path) do
if isdir and finddir(fname) then
table.insert(dirs, path .. sep ..fname)
elseif not isdir and findfile(fname) then
table.insert(files, path .. sep ..fname)
end
if rb.get_plugin_action(0) == cancelbtn then
return true
end
end
end
local function cmp_alphanum (op1, op2)
local type1= type(op1)
local type2 = type(op2)
if type1 ~= type2 then
return type1 < type2
else
if type1 == "string" then
op1 = op1:upper()
op2 = op2:upper()
end
return op1 < op2
end
end
table.insert(dirs, path) -- root
for key,value in pairs(dirs) do
--luadir.dir may error out so we need to do the call protected
_, quit = pcall(_get_files, value, CANCEL_BUTTON)
if quit == true or norecurse then
break;
end
end
table.sort(files, cmp_alphanum)
table.sort(dirs, cmp_alphanum)
return dirs, files
end -- get_files
--------------------------------------------------------------------------------
function icon_fn(item, icon)
if item ~= 0 then
icon = Icon_Plugin
else
icon = -1
end
return icon
end
-- uses print_table and get_files to display simple file browser
function script_choose(dir, title)
local dstr
local hstr = title
local norecurse = true
local f_finddir = false -- function to match directories; nil all, false none
local f_findfile = nil -- function to match files; nil all, false none
local t_linedesc = {show_icons = true, icon_fn = icon_fn}
local p_settings = {wrap = true, hasheader = true, justify = "left", linedesc = t_linedesc}
local files = {}
local dirs = {}
local item = 1
rb.lcd_clear_display()
while item > 0 do
dirs, files = get_files(dir, norecurse, f_finddir, f_findfile, dirs, files)
for i=1, #dirs do dirs[i] = nil end -- empty table for reuse
table.insert(dirs, 1, hstr)
for i = 1, #files do
table.insert(dirs, "\t" .. string.gsub(files[i], ".*/",""))
end
--print_menu(menu_t, func_t, selected, settings, copy_screen)
_, item = print_menu(dirs, nil, 0, p_settings)
-- If item was selected follow directory or return filename
item = item or -1
if item > 0 then
dir = files[item - 1]
if not rb.dir_exists("/" .. dir) then
return dir
end
end
end
end -- file_choose
--------------------------------------------------------------------------------
local script_path = script_choose(scrpath, "lua scripts")
if script_path then rb.restart_lua(script_path) end