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lua -- add sort by name, size, date to filebrowse include
I had previously added the fuctionality to luadir but I didn't update the examples also breaks out the file_browser function to be a bit more accessible Change-Id: I14067256b9d76a757f732840cbee1cf84d775b1b
This commit is contained in:
William Wilgus
parent
1f9e16e4df
commit
0f23cadbca
2 changed files with 139 additions and 11 deletions
77
apps/plugins/lua_scripts/file_browser.lua
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77
apps/plugins/lua_scripts/file_browser.lua
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@ -0,0 +1,77 @@
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--[[
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__________ __ ___.
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Open \______ \ ____ ____ | | _\_ |__ _______ ___
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Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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\/ \/ \/ \/ \/
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$Id$
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Example Lua File Viewer script
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Copyright (C) 2020 William Wilgus
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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KIND, either express or implied.
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]]--
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require("actions") -- Contains rb.actions & rb.contexts
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-- require("buttons") -- Contains rb.buttons -- not needed for this example
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--local _timer = require("timer")
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--local _clr = require("color") -- clrset, clrinc provides device independent colors
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local _lcd = require("lcd") -- lcd helper functions
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--local _print = require("print") -- advanced text printing
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--local _img = require("image") -- image manipulation save, rotate, resize, tile, new, load
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--local _blit = require("blit") -- handy list of blit operations
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--local _draw = require("draw") -- draw all the things (primitives)
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--local _math = require("math_ex") -- missing math sine cosine, sqrt, clamp functions
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local scrpath = rb.current_path()--rb.PLUGIN_DIR .. "/demos/lua_scripts/"
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package.path = scrpath .. "/?.lua;" .. package.path --add lua_scripts directory to path
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require("printmenu") --menu
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require("filebrowse") -- file browser
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rb.actions = nil
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package.loaded["actions"] = nil
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-- uses print_table to display a menu
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function main_menu()
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local mt = {
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[1] = "Rocklua File Browser Example",
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[2] = "Sort by Name",
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[3] = "Sort by Size",
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[4] = "Sort by Date",
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[5] = "Exit"
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}
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local ft = {
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[0] = exit_now, --if user cancels do this function
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[1] = function(TITLE) return true end, -- shouldn't happen title occupies this slot
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[2] = function(SBNAME)
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_lcd:splashf(rb.HZ, "%s", file_choose("/", "", "name", false) or "None")
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end,
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[3] = function(SBSIZE)
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_lcd:splashf(rb.HZ, "%s", file_choose("/", "", "size", true) or "None")
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end,
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[4] = function(SBDATE)
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_lcd:splashf(rb.HZ, "%s", file_choose("/", "", "date") or "None")
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end,
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[5] = function(EXIT_) return true end
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}
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print_menu(mt, ft)
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end
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function exit_now()
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_lcd:update()
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os.exit()
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end -- exit_now
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main_menu()
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exit_now()
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@ -33,10 +33,10 @@ local _timer = require("timer")
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-- or you can provide your own function see below..
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-- f_t and d_t allow you to pass your own tables for re-use but isn't necessary
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]]
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local function get_files(path, norecurse, finddir, findfile, f_t, d_t)
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local function get_files(path, norecurse, finddir, findfile, sort_by, f_t, d_t)
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local quit = false
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local sort_by_function -- forward declaration
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local filepath_function -- forward declaration
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local files = f_t or {}
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local dirs = d_t or {}
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@ -67,13 +67,15 @@ local function get_files(path, norecurse, finddir, findfile, f_t, d_t)
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local function _get_files(path, cancelbtn)
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local sep = ""
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local filepath
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local finfo_t
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if string.sub(path, - 1) ~= "/" then sep = "/" end
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for fname, isdir in luadir.dir(path) do
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for fname, isdir, finfo_t in luadir.dir(path, true) do
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if isdir and finddir(fname) then
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table.insert(dirs, path .. sep ..fname)
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elseif not isdir and findfile(fname) then
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table.insert(files, path .. sep ..fname)
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filepath = filepath_function(path, sep, fname, finfo_t.attribute, finfo_t.size, finfo_t.time)
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table.insert(files, filepath)
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end
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if rb.get_plugin_action(0) == cancelbtn then
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@ -82,6 +84,8 @@ local function get_files(path, norecurse, finddir, findfile, f_t, d_t)
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end
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end
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local function cmp_alphanum (op1, op2)
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local type1= type(op1)
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local type2 = type(op2)
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@ -92,6 +96,7 @@ local function get_files(path, norecurse, finddir, findfile, f_t, d_t)
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if type1 == "string" then
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op1 = op1:upper()
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op2 = op2:upper()
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return sort_by_function(op1, op2)
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end
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return op1 < op2
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end
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@ -99,10 +104,44 @@ local function get_files(path, norecurse, finddir, findfile, f_t, d_t)
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_lcd:splashf(1, "Searching for Files")
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if sort_by == "name" then
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sort_by_function = function(s1, s2) return s1 < s2 end
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filepath_function = function(path, sep, fname, fattrib, fsize, ftime)
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return string.format("%s%s%s;", path, sep, fname)
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end
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elseif sort_by == "size" then
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filepath_function = function(path, sep, fname, fattrib, fsize, ftime)
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return string.format("%s%s%s; At:%d, Sz:%d, Tm:%d", path, sep, fname, fattrib, fsize, ftime)
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end
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sort_by_function = function(s1, s2)
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local v1, v2
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v1 = string.match(s1, "SZ:(%d+)")
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v2 = string.match(s2, "SZ:(%d+)")
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if v1 or v2 then
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return tonumber(v1 or 0) < tonumber(v2 or 0)
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end
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return s1 < s2
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end
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elseif sort_by == "date" then
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filepath_function = function(path, sep, fname, fattrib, fsize, ftime)
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return string.format("%s%s%s; At:%d, Sz:%d, Tm:%d", path, sep, fname, fattrib, fsize, ftime)
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end
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sort_by_function = function(s1, s2)
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local v1, v2
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v1 = string.match(s1, "TM:(%d+)")
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v2 = string.match(s2, "TM:(%d+)")
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if v1 or v2 then
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return tonumber(v1 or 0) < tonumber(v2 or 0)
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end
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return s1 < s2
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end
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end
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table.insert(dirs, path) -- root
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for key,value in pairs(dirs) do
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--luadir.dir may error out so we need to do the call protected
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-- _get_files(value, CANCEL_BUTTON)
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_, quit = pcall(_get_files, value, CANCEL_BUTTON)
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if quit == true or norecurse then
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@ -118,7 +157,9 @@ end -- get_files
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--------------------------------------------------------------------------------
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-- uses print_table and get_files to display simple file browser
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function file_choose(dir, title)
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-- sort_by "date" "name" "size"
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-- descending true/false
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function file_choose(dir, title, sort_by, descending)
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local dstr, hstr = ""
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if not title then
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dstr = "%d items found in %0d.%02d seconds"
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@ -126,6 +167,9 @@ function file_choose(dir, title)
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hstr = title
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end
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if not sort_by then sort_by = "name" end
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sort_by = sort_by:lower()
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-- returns whole seconds and remainder
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local function tick2seconds(ticks)
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local secs = (ticks / rb.HZ)
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@ -150,17 +194,24 @@ function file_choose(dir, title)
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timer = _timer()
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end
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dirs, files = get_files(dir, norecurse, f_finddir, f_findfile, dirs, files)
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dirs, files = get_files(dir, norecurse, f_finddir, f_findfile, sort_by, dirs, files)
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local parentdir = dirs[1]
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for i = 1, #dirs do
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dirs[i] = "\t" .. dirs[i]
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end
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if not descending then
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for i = 1, #files do
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table.insert(dirs, "\t" .. files[i])
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-- only store file name .. strip attributes from end
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table.insert(dirs, "\t" .. string.match(files[i], "[^;]+") or "?")
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end
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else
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for i = #files, 1, -1 do
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-- only store file name .. strip attributes from end
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table.insert(dirs, "\t" .. string.match(files[i], "[^;]+") or "?")
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end
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end
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for i=1, #files do files[i] = nil end -- empty table for reuse
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if not title then
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