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Diffstat (limited to 'apps/plugins/lua_scripts/filebrowse.lua')
-rwxr-xr-x | apps/plugins/lua_scripts/filebrowse.lua | 190 |
1 files changed, 190 insertions, 0 deletions
diff --git a/apps/plugins/lua_scripts/filebrowse.lua b/apps/plugins/lua_scripts/filebrowse.lua new file mode 100755 index 0000000000..5e75365cf8 --- /dev/null +++ b/apps/plugins/lua_scripts/filebrowse.lua | |||
@@ -0,0 +1,190 @@ | |||
1 | --[[ | ||
2 | /*************************************************************************** | ||
3 | * __________ __ ___. | ||
4 | * Open \______ \ ____ ____ | | _\_ |__ _______ ___ | ||
5 | * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / | ||
6 | * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < | ||
7 | * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ | ||
8 | * \/ \/ \/ \/ \/ | ||
9 | * $Id$ | ||
10 | * | ||
11 | * Copyright (C) 2017 William Wilgus | ||
12 | * | ||
13 | * This program is free software; you can redistribute it and/or | ||
14 | * modify it under the terms of the GNU General Public License | ||
15 | * as published by the Free Software Foundation; either version 2 | ||
16 | * of the License, or (at your option) any later version. | ||
17 | * | ||
18 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY | ||
19 | * KIND, either express or implied. | ||
20 | * | ||
21 | ****************************************************************************/ | ||
22 | ]] | ||
23 | if ... == nil then rb.splash(rb.HZ * 3, "use 'require'") end | ||
24 | require("printtable") | ||
25 | local _lcd = require("lcd") | ||
26 | local _timer = require("timer") | ||
27 | |||
28 | -------------------------------------------------------------------------------- | ||
29 | --[[ returns a sorted tables of directories and (another) of files | ||
30 | -- path is the starting path; norecurse == true.. only that path will be searched | ||
31 | -- findfile & finddir are definable search functions | ||
32 | -- if not defined all files/dirs are returned if false is passed.. none | ||
33 | -- or you can provide your own function see below.. | ||
34 | -- f_t and d_t allow you to pass your own tables for re-use but isn't necessary | ||
35 | ]] | ||
36 | local function get_files(path, norecurse, finddir, findfile, f_t, d_t) | ||
37 | |||
38 | local quit = false | ||
39 | |||
40 | local files = f_t or {} | ||
41 | local dirs = d_t or {} | ||
42 | |||
43 | local function f_filedir(name) | ||
44 | --default find function | ||
45 | -- example: return name:find(".mp3", 1, true) ~= nil | ||
46 | if name:len() <= 2 and (name == "." or name == "..") then | ||
47 | return false | ||
48 | end | ||
49 | return true | ||
50 | end | ||
51 | local function d_filedir(name) | ||
52 | --default discard function | ||
53 | return false | ||
54 | end | ||
55 | |||
56 | if finddir == nil then | ||
57 | finddir = f_filedir | ||
58 | elseif type(finddir) ~= "function" then | ||
59 | finddir = d_filedir | ||
60 | end | ||
61 | |||
62 | if findfile == nil then | ||
63 | findfile = f_filedir | ||
64 | elseif type(findfile) ~= "function" then | ||
65 | findfile = d_filedir | ||
66 | end | ||
67 | |||
68 | local function _get_files(path, cancelbtn) | ||
69 | local sep = "" | ||
70 | if string.sub(path, - 1) ~= "/" then sep = "/" end | ||
71 | for fname, isdir in luadir.dir(path) do | ||
72 | |||
73 | if isdir and finddir(fname) then | ||
74 | table.insert(dirs, path .. sep ..fname) | ||
75 | elseif not isdir and findfile(fname) then | ||
76 | table.insert(files, path .. sep ..fname) | ||
77 | end | ||
78 | |||
79 | if rb.get_plugin_action(0) == cancelbtn then | ||
80 | return true | ||
81 | end | ||
82 | end | ||
83 | end | ||
84 | |||
85 | local function cmp_alphanum (op1, op2) | ||
86 | local type1= type(op1) | ||
87 | local type2 = type(op2) | ||
88 | |||
89 | if type1 ~= type2 then | ||
90 | return type1 < type2 | ||
91 | else | ||
92 | if type1 == "string" then | ||
93 | op1 = op1:upper() | ||
94 | op2 = op2:upper() | ||
95 | end | ||
96 | return op1 < op2 | ||
97 | end | ||
98 | end | ||
99 | |||
100 | _lcd:splashf(1, "Searching for Files") | ||
101 | |||
102 | table.insert(dirs, path) -- root | ||
103 | |||
104 | for key,value in pairs(dirs) do | ||
105 | --luadir.dir may error out so we need to do the call protected | ||
106 | _, quit = pcall(_get_files, value, CANCEL_BUTTON) | ||
107 | |||
108 | if quit == true or norecurse then | ||
109 | break; | ||
110 | end | ||
111 | end | ||
112 | |||
113 | table.sort(files, cmp_alphanum) | ||
114 | table.sort(dirs, cmp_alphanum) | ||
115 | |||
116 | return dirs, files | ||
117 | end -- get_files | ||
118 | -------------------------------------------------------------------------------- | ||
119 | |||
120 | -- uses print_table and get_files to display simple file browser | ||
121 | function file_choose(dir, title) | ||
122 | local dstr, hstr = "" | ||
123 | if not title then | ||
124 | dstr = "%d items found in %0d.%02d seconds" | ||
125 | else | ||
126 | hstr = title | ||
127 | end | ||
128 | |||
129 | -- returns whole seconds and remainder | ||
130 | local function tick2seconds(ticks) | ||
131 | local secs = (ticks / rb.HZ) | ||
132 | local csecs = (ticks - (secs * rb.HZ)) | ||
133 | return secs, csecs | ||
134 | end | ||
135 | |||
136 | local norecurse = true | ||
137 | local f_finddir = nil -- function to match directories; nil all, false none | ||
138 | local f_findfile = nil -- function to match files; nil all, false none | ||
139 | |||
140 | local p_settings = {wrap = true, hasheader = true} | ||
141 | |||
142 | local timer | ||
143 | local files = {} | ||
144 | local dirs = {} | ||
145 | local item = 1 | ||
146 | _lcd:clear() | ||
147 | |||
148 | while item > 0 do | ||
149 | if not title then | ||
150 | timer = _timer() | ||
151 | end | ||
152 | |||
153 | dirs, files = get_files(dir, norecurse, f_finddir, f_findfile, dirs, files) | ||
154 | |||
155 | local parentdir = dirs[1] | ||
156 | for i = 1, #dirs do | ||
157 | dirs[i] = "\t" .. dirs[i] | ||
158 | end | ||
159 | |||
160 | for i = 1, #files do | ||
161 | table.insert(dirs, "\t" .. files[i]) | ||
162 | end | ||
163 | |||
164 | for i=1, #files do files[i] = nil end -- empty table for reuse | ||
165 | |||
166 | if not title then | ||
167 | hstr = string.format(dstr, #dirs - 1, tick2seconds(timer:stop())) | ||
168 | end | ||
169 | |||
170 | table.insert(dirs, 1, hstr) | ||
171 | |||
172 | item = print_table(dirs, #dirs, p_settings) | ||
173 | |||
174 | -- If item was selected follow directory or return filename | ||
175 | if item > 0 then | ||
176 | dir = string.gsub(dirs[item], "%c+","") | ||
177 | if not rb.dir_exists("/" .. dir) then | ||
178 | return dir | ||
179 | end | ||
180 | end | ||
181 | |||
182 | if dir == parentdir then | ||
183 | dir = dir:sub(1, dir:match(".*()/") - 1) | ||
184 | if dir == "" then dir = "/" end | ||
185 | end | ||
186 | for i=1, #dirs do dirs[i] = nil end -- empty table for reuse | ||
187 | |||
188 | end | ||
189 | end -- file_choose | ||
190 | -------------------------------------------------------------------------------- | ||