@ -29,33 +29,27 @@ FileChooser = {
pagedirty = true ,
markerdirty = false ,
perpage ,
clipboard = lfs.currentdir ( ) .. " /clipboard " , -- NO finishing slash
before_clipboard , -- NuPogodi, 30.09.12: to store the path where jump to clipboard was made from
-- NuPogodi, 04.09.2012: introduced modes that configures the filechoser
-- for users with various purposes & skills
-- modes that configures the filechoser for users with various purposes & skills
filemanager_expert_mode , -- default value is defined in reader.lua
-- the definitions
BEGINNERS_MODE = 1 , -- the filemanager content is restricted by files with reader-related extensions; safe renaming (no extension)
ADVANCED_MODE = 2 , -- no extension-based filtering; renaming with extensions; appreciable danger to crash crengine by improper docs
ROOT_MODE = 3 , -- TODO: all functions (including non-stable and dangerous)
}
function getProperTitleLength ( txt , font_face , max_width )
local tw = TextWidget : new ( { text = txt , face = font_face } )
-- 1st approximation for a point where to start title
local n = math.floor ( string.len ( txt ) * ( 1 - max_width / tw : getSize ( ) . w ) ) - 2
n = math.max ( n , 1 )
while tw : getSize ( ) . w >= max_width do
tw : free ( )
tw = TextWidget : new ( { text = string.sub ( txt , n , - 1 ) , face = font_face } )
n = n + 1
-- NuPogodi, 29.09.12: simplified the code
function getProperTitleLength ( txt , font_face , max_width )
while sizeUtf8Text ( 0 , G_width , font_face , txt , true ) . x > max_width do
txt = txt : sub ( 2 , - 1 )
end
return string.sub( txt, n - 1 , - 1 )
return txt
end
function BatteryLevel ( )
-- NuPogodi, 18.05.12: This command seems to work even without Amazon Kindle framework
local p = io.popen ( " gasgauge-info -s 2> /dev/null " , " r " ) -- io.popen() _never_ fails!
local battery = p : read ( " *a " ) or " ? "
if battery == " " then battery = " ? " end
@ -63,36 +57,30 @@ function BatteryLevel()
return string.gsub ( battery , " [ \n \r ]+ " , " " )
end
-- NuPogodi, 29.09.12: avoid using widgets
function DrawTitle ( text , lmargin , y , height , color , font_face )
local r = 6 -- radius for round corners
color = 3 -- redefine to ignore the input for background color
fb.bb : paintRect ( 1 , 1 , fb.bb : getWidth ( ) - 2 , height - r , color )
blitbuffer.paintBorder ( fb.bb , 1 , height / 2 , fb.bb : getWidth ( ) - 2 , height / 2 , height / 2 , color , r )
-- to have a horisontal gap between text & background rectangle
t = BatteryLevel ( ) .. os.date ( " %H:%M " )
local tw = TextWidget : new ( { text = t , face = font_face } )
twidth = tw : getSize ( ) . w
renderUtf8Text ( fb.bb , fb.bb : getWidth ( ) - twidth - lmargin , height - 10 , font_face , t , true )
tw : free ( )
tw = TextWidget : new ( { text = text , face = font_face } )
local max_width = fb.bb : getWidth ( ) - 2 * lmargin - twidth
if tw : getSize ( ) . w < max_width then
fb.bb : paintRect ( 1 , 1 , G_width - 2 , height - r , color )
blitbuffer.paintBorder ( fb.bb , 1 , height / 2 , G_width - 2 , height / 2 , height / 2 , color , r )
local t = BatteryLevel ( ) .. os.date ( " %H:%M " )
r = sizeUtf8Text ( 0 , G_width , font_face , t , true ) . x
renderUtf8Text ( fb.bb , G_width - r - lmargin , height - 10 , font_face , t , true )
r = G_width - r - 2 * lmargin - 10 -- let's leave small gap
if sizeUtf8Text ( 0 , G_width , font_face , text , true ) . x <= r then
renderUtf8Text ( fb.bb , lmargin , height - 10 , font_face , text , true )
else
local w = renderUtf8Text ( fb.bb , lmargin , height - 10 , font_face , " ... " , true )
local t xt = getProperTitleLength ( text , font_face , max_width- w )
renderUtf8Text ( fb.bb , w+ lmargin, height - 10 , font_face , t xt, true )
t = renderUtf8Text ( fb.bb , lmargin , height - 10 , font_face , " ... " , true )
text = getProperTitleLength ( text , font_face , r - t )
renderUtf8Text ( fb.bb , lmargin + t , height - 10 , font_face , text , true )
end
tw : free ( )
end
function DrawFooter ( text , font_face , h )
local y = G_height - 7
-- NuPogodi, 29.09.12: just dirty fix to have the same footer everywhere
-- just dirty fix to have the same footer everywhere
local x = FileChooser.margin_H --(G_width / 2) - 50
renderUtf8Text ( fb.bb , x , y , font_face , text .. " - Press H for help" , true )
renderUtf8Text ( fb.bb , x , y , font_face , text .. " - Press H for help" , true )
end
function DrawFileItem ( name , x , y , image )
@ -106,11 +94,11 @@ function DrawFileItem(name,x,y,image)
-- then drawing filenames
local cface = Font : getFace ( " cfont " , 22 )
local xleft = x + iw : getSize ( ) . w + 9 -- the gap between icon & filename
local width = fb.bb: getWidth ( ) - xleft - x
local width = G_width - xleft - x
-- now printing the name
if sizeUtf8Text ( xleft , fb.bb: getWidth ( ) - x , cface , name , true ) . x < width then
if sizeUtf8Text ( xleft , G_width - x , cface , name , true ) . x < width then
renderUtf8Text ( fb.bb , xleft , y , cface , name , true )
else
else
local lgap = sizeUtf8Text ( 0 , width , cface , " ... " , true ) . x
local handle = renderUtf8TextWidth ( fb.bb , xleft , y , cface , name , true , width - lgap - x )
renderUtf8Text ( fb.bb , handle.x + lgap + x , y , cface , " ... " , true )
@ -162,6 +150,10 @@ end
function FileChooser : setPath ( newPath )
local curr_path = self.path
if self.before_clipboard then -- back from clipboard
newPath = self.before_clipboard
self.before_clipboard = nil
end
self.path = getAbsolutePath ( newPath )
local readdir_ok , exc = pcall ( self.readDir , self )
if ( not readdir_ok ) then
@ -173,8 +165,20 @@ function FileChooser:setPath(newPath)
if self.items == 0 then
return nil
end
self.page = 1
self.current = 1
-- NuPogodi, 02.10.12: 1) changing the current item position ONLY IF the path was changed
-- 2) trying to set marker under the folder that was just left by ".."
if self.path ~= curr_path then
local i = 2
while i <= # self.dirs and not string.find ( curr_path , self.dirs [ i ] ) do
i = i + 1
end
if i <= # self.dirs then -- found
self.current , self.page = gotoTargetItem ( i , self.items , self.current , self.page , self.perpage )
else -- set defaults
self.page = 1
self.current = 1
end
end
return true
end
end
@ -210,7 +214,7 @@ function FileChooser:choose(ypos, height)
local msg = self.exception_message and self.exception_message : match ( " [^%:]+:%d+: (.*) " ) or self.path
self.exception_message = nil
-- draw header
DrawTitle ( msg , self.margin_H , ypos , self.title_H , 4 , tface )
DrawTitle ( msg , self.margin_H , ypos , self.title_H , 3 , tface )
self.markerdirty = true
end
@ -260,7 +264,7 @@ function FileChooser:choose(ypos, height)
end -- while
end
-- NuPogodi, 20.05.12: add available commands
-- add available commands
function FileChooser : addAllCommands ( )
self.commands = Commands : new { }
@ -270,35 +274,8 @@ function FileChooser:addAllCommands()
self.pagedirty = true
end
)
self.commands : add ( { KEY_PGFWD , KEY_LPGFWD } , nil , " > " ,
" goto next page " ,
function ( self )
if self.page < ( self.items / self.perpage ) then
if self.current + self.page * self.perpage > self.items then
self.current = self.items - self.page * self.perpage
end
self.page = self.page + 1
self.pagedirty = true
else
self.current = self.items - ( self.page - 1 ) * self.perpage
self.markerdirty = true
end
end
)
self.commands : add ( { KEY_PGBCK , KEY_LPGBCK } , nil , " < " ,
" goto previous page " ,
function ( self )
if self.page > 1 then
self.page = self.page - 1
self.pagedirty = true
else
self.current = 1
self.markerdirty = true
end
end
)
self.commands : add ( KEY_FW_DOWN , nil , " joypad down " ,
" goto next item" ,
" next item " ,
function ( self )
if self.current == self.perpage then
if self.page < ( self.items / self.perpage ) then
@ -316,7 +293,7 @@ function FileChooser:addAllCommands()
end
)
self.commands : add ( KEY_FW_UP , nil , " joypad up " ,
" goto previous item" ,
" " ,
function ( self )
if self.current == 1 then
if self.page > 1 then
@ -330,16 +307,69 @@ function FileChooser:addAllCommands()
end
end
)
self.commands : add ( { KEY_FW_RIGHT , KEY_I } , nil , " joypad right " ,
-- NuPogodi, 01.10.12: fast jumps to items at positions 10, 20, .. 90, 0% within the list
local numeric_keydefs , i = { }
for i = 1 , 10 do numeric_keydefs [ i ] = Keydef : new ( KEY_1 + i - 1 , nil , tostring ( i % 10 ) ) end
self.commands : addGroup ( " [1, 2 .. 9, 0] " , numeric_keydefs ,
" item at position 0%, 10% .. 90%, 100% " ,
function ( self )
local target_item = math.ceil ( self.items * ( keydef.keycode - KEY_1 ) / 9 )
self.current , self.page , self.markerdirty , self.pagedirty =
gotoTargetItem ( target_item , self.items , self.current , self.page , self.perpage )
end
)
self.commands : add ( { KEY_PGFWD , KEY_LPGFWD } , nil , " > " ,
" next page " ,
function ( self )
if self.page < ( self.items / self.perpage ) then
if self.current + self.page * self.perpage > self.items then
self.current = self.items - self.page * self.perpage
end
self.page = self.page + 1
self.pagedirty = true
else
self.current = self.items - ( self.page - 1 ) * self.perpage
self.markerdirty = true
end
end
)
self.commands : add ( { KEY_PGBCK , KEY_LPGBCK } , nil , " < " ,
" previous page " ,
function ( self )
if self.page > 1 then
self.page = self.page - 1
self.pagedirty = true
else
self.current = 1
self.markerdirty = true
end
end
)
self.commands : add ( KEY_G , nil , " G " , -- NuPogodi, 01.10.12: goto page No.
" goto page " ,
function ( self )
local n = math.ceil ( self.items / self.perpage )
local page = NumInputBox : input ( G_height - 100 , 100 , " Page: " , " current page " .. self.page .. " of " .. n , true )
if pcall ( function ( ) page = math.floor ( page ) end ) -- convert string to number
and page ~= self.page and page > 0 and page <= n then
self.page = page
if self.current + ( page - 1 ) * self.perpage > self.items then
self.current = self.items - ( page - 1 ) * self.perpage
end
end
self.pagedirty = true
end
)
self.commands : add ( KEY_FW_RIGHT , nil , " joypad right " ,
" show document information " ,
function ( self )
local folder = self.dirs [ self.perpage * ( self.page - 1 ) + self.current ]
if folder then
if folder == " .. " then
showInfoMsgWithDelay ( " <UP-DIR> " , 1000 , 1 )
warningUnsupportedFunction( )
else
folder = self.path .. " / " .. folder
if FileInfo : show ( folder ) == " goto " then
if FileInfo : show ( folder ) == " goto " then
self : setPath ( folder )
end
end
@ -365,39 +395,29 @@ function FileChooser:addAllCommands()
self.pagedirty = true
end
)
-- NuPogodi, 23.05.12: modified to delete both files and empty folders
-- modified to delete both files and empty folders
self.commands : add ( KEY_DEL , nil , " Del " ,
" delete selected item " ,
function ( self )
local pos = self.perpage * ( self.page - 1 ) + self.current
local folder = self.dirs [ pos ]
if folder == " .. " then
showInfoMsgWithDelay ( " .. cannot be deleted! " , 1500 , 1 )
elseif folder then
InfoMessage : show ( " Press \' Y \' to confirm " , 0 )
if self : ReturnKey ( ) == KEY_Y then
if lfs.rmdir ( self.path .. " / " .. folder ) then
table.remove ( self.dirs , offset )
self : setPath ( self.path )
else
showInfoMsgWithDelay ( " Cannot be deleted! " , 1500 , 1 )
end
local confirm = " Please, press key Y to confirm deleting "
if pos > # self.dirs then -- file
if InfoMessage.InfoMethod [ MSG_CONFIRM ] == 0 then -- silent regime
self : deleteFileAtPosition ( pos )
else
InfoMessage : inform ( " Press 'Y' to confirm " , nil , 0 , MSG_CONFIRM , confirm )
if self : ReturnKey ( ) == KEY_Y then self : deleteFileAtPosition ( pos ) end
end
else
InfoMessage : show ( " Press \' Y \' to confirm " , 0 )
if self : ReturnKey ( ) == KEY_Y then
pos = pos - # self.dirs
local fullpath = self.path .. " / " .. self.files [ pos ]
-- delete the file itself
os.remove ( fullpath )
-- and its history file, if any
os.remove ( DocToHistory ( fullpath ) )
-- to avoid showing just deleted file
table.remove ( self.files , pos )
self.items = self.items - 1
self.current = self.current - 1
elseif self.dirs [ pos ] == " .. " then
warningUnsupportedFunction ( )
else -- other folders
if InfoMessage.InfoMethod [ MSG_CONFIRM ] == 0 then -- silent regime
self : deleteFolderAtPosition ( pos )
else
InfoMessage : inform ( " Press 'Y' to confirm " , nil , 0 , MSG_CONFIRM , confirm )
if self : ReturnKey ( ) == KEY_Y then self : deleteFolderAtPosition ( pos ) end
end
end -- if folder == ".."
end
self.pagedirty = true
end -- function
)
@ -427,14 +447,48 @@ function FileChooser:addAllCommands()
end
end
)
-- NuPogodi, 04.09.12: menu to switch the filechooser mode
self.commands : add ( KEY_M , MOD_ALT , " M " ,
" set mode for filemanager " ,
function ( self )
self : changeFileChooserMode ( )
end
)
self.commands : add ( { KEY_F , KEY_AA } , nil , " F " ,
-- NuPogodi, 25.09.12: new functions to tune the way how to inform user about the reader events
local popup_text = " Unstable... For experts only! "
local voice_text = " This function is still under development and available only for experts and beta testers. "
self.commands : add ( KEY_I , nil , " I " ,
" change the way to inform about events " ,
function ( self )
if self.filemanager_expert_mode == self.ROOT_MODE then
InfoMessage : chooseNotificatonMethods ( )
self.pagedirty = true
else
InfoMessage : inform ( popup_text , - 1 , 1 , MSG_WARN , voice_text )
end
end
)
self.commands : addGroup ( " Vol-/+ " , { Keydef : new ( KEY_VPLUS , nil ) , Keydef : new ( KEY_VMINUS , nil ) } ,
" decrease/increase sound volume " ,
function ( self )
if self.filemanager_expert_mode == self.ROOT_MODE then
InfoMessage : incrSoundVolume ( keydef.keycode == KEY_VPLUS and 1 or - 1 )
else
InfoMessage : inform ( popup_text , - 1 , 1 , MSG_WARN , voice_text )
end
end
)
self.commands : addGroup ( MOD_SHIFT .. " Vol-/+ " , { Keydef : new ( KEY_VPLUS , MOD_SHIFT ) , Keydef : new ( KEY_VMINUS , MOD_SHIFT ) } ,
" decrease/increase TTS-engine speed " ,
function ( self )
if self.filemanager_expert_mode == self.ROOT_MODE then
InfoMessage : incrTTSspeed ( keydef.keycode == KEY_VPLUS and 1 or - 1 )
else
InfoMessage : inform ( popup_text , - 1 , 1 , MSG_WARN , voice_text )
end
end
)
------------ end of changes (NuPogodi, 25.09.12) ------------
self.commands : add ( { KEY_F , KEY_AA } , nil , " F, Aa " ,
" change font faces " ,
function ( self )
Font : chooseFonts ( )
@ -447,7 +501,7 @@ function FileChooser:addAllCommands()
HelpPage : show ( 0 , G_height , self.commands )
self.pagedirty = true
end
)
)
self.commands : add ( KEY_L , nil , " L " ,
" show last documents " ,
function ( self )
@ -462,16 +516,17 @@ function FileChooser:addAllCommands()
function ( self )
local keywords = InputBox : input ( 0 , 0 , " Search: " )
if keywords then
InfoMessage : show( " Searching... " , 0 )
InfoMessage : inform( " Searching... " , nil , 1 , MSG_AUX )
FileSearcher : init ( self.path )
FileSearcher : choose ( keywords )
end
self.pagedirty = true
end -- function
end
)
self.commands : add ( KEY_C , MOD_SHIFT , " C " ,
" copy file to \ \ " ,
" copy file to 'clipboard'" ,
function ( self )
-- TODO (NuPogodi, 27.09.12): overwrite?
local file = self : FullFileName ( )
if file then
lfs.mkdir ( self.clipboard )
@ -479,29 +534,34 @@ function FileChooser:addAllCommands()
local fn = self.files [ self.perpage * ( self.page - 1 ) + self.current - # self.dirs ]
os.execute ( " cp " .. self : InQuotes ( DocToHistory ( file ) ) .. " "
.. self : InQuotes ( DocToHistory ( self.clipboard .. " / " .. fn ) ) )
showInfoMsgWithDelay ( " File copied to clipboard " , 1000 , 1 )
InfoMessage : inform ( " File copied to clipboard " , 1000 , 1 , MSG_WARN ,
" The file has been copied to clipboard. " )
end
end
)
)
self.commands : add ( KEY_X , MOD_SHIFT , " X " ,
" move file to \ \ " ,
" move file to 'clipboard'" ,
function ( self )
-- TODO (NuPogodi, 27.09.12): overwrite?
local file = self : FullFileName ( )
if file then
lfs.mkdir ( self.clipboard )
local fn = self.files [ self.perpage * ( self.page - 1 ) + self.current - # self.dirs ]
os.rename ( file , self.clipboard .. " / " .. fn )
os.rename ( DocToHistory ( file ) , DocToHistory ( self.clipboard .. " / " .. fn ) )
InfoMessage : show ( " File moved to clipboard " , 0 )
InfoMessage : inform ( " File moved to clipboard " , nil , 0 , MSG_WARN ,
" The file has been moved to clipboard. " )
self : setPath ( self.path )
self.pagedirty = true
end
end
)
self.commands : add ( KEY_V , MOD_SHIFT , " V " ,
" paste file(s) from \ \ " ,
" paste file(s) from 'clipboard'" ,
function ( self )
InfoMessage : show ( " moving file(s) from clipboard " , 0 )
-- TODO (NuPogodi, 27.09.12): first test whether the clipboard is empty & answer respectively
-- TODO (NuPogodi, 27.09.12): overwrite?
InfoMessage : inform ( " Moving files from clipboard... " , nil , 0 , MSG_AUX )
for f in lfs.dir ( self.clipboard ) do
if lfs.attributes ( self.clipboard .. " / " .. f , " mode " ) == " file " then
os.rename ( self.clipboard .. " / " .. f , self.path .. " / " .. f )
@ -513,11 +573,15 @@ function FileChooser:addAllCommands()
end
)
self.commands : add ( KEY_B , MOD_SHIFT , " B " ,
" show content of \ \ " ,
" show content of 'clipboard'" ,
function ( self )
-- NuPogodi, 30.09.12: exit back from clipboard to last folder by '..'
local current_path = self.path
lfs.mkdir ( self.clipboard )
self : setPath ( self.clipboard )
-- TODO: exit back from clipboard to last folder - Redefine Exit on FW_Right?
if self.clipboard ~= self.path then
self : setPath ( self.clipboard )
self.before_clipboard = current_path
end
self.pagedirty = true
end
)
@ -536,13 +600,12 @@ function FileChooser:addAllCommands()
self.commands : add ( KEY_K , MOD_SHIFT , " K " ,
" run calculator " ,
function ( self )
local CalcBox = InputBox : new { calcmode = true }
local CalcBox = InputBox : new { inputmode = MODE_CALC }
CalcBox : input ( 0 , 0 , " Calc " )
self.pagedirty = true
end
)
self.commands : add ( KEY_HOME , nil , " Home " ,
" exit " ,
self.commands : addGroup ( " Home, Alt + Back " , { Keydef : new ( KEY_HOME , nil ) , Keydef : new ( KEY_BACK , MOD_ALT ) } , " exit " ,
function ( self )
return " break "
end
@ -551,19 +614,14 @@ end
-- returns full filename or nil (if folder)
function FileChooser : FullFileName ( )
local file
local folder = self.dirs [ self.perpage * ( self.page - 1 ) + self.current ]
if folder == " .. " then
showInfoMsgWithDelay ( " <UP-DIR> " , 1000 , 1 )
elseif folder then
showInfoMsgWithDelay ( " <DIR> " , 1000 , 1 )
else
file = self.path .. " / " .. self.files [ self.perpage * ( self.page - 1 ) + self.current - # self.dirs ]
if self.current > # self.dirs then
return self.path .. " / " .. self.files [ self.perpage * ( self.page - 1 ) + self.current - # self.dirs ]
end
return file
warningUnsupportedFunction ( )
return nil
end
-- returns the keycode of released key and (if debug) shows the keycode on screen
function FileChooser : ReturnKey ( debug )
-- returns the keycode of released key
function FileChooser : ReturnKey ( )
while true do
ev = input.saveWaitForEvent ( )
ev.code = adjustKeyEvents ( ev )
@ -571,7 +629,6 @@ function FileChooser:ReturnKey(debug)
break
end
end
if debug then showInfoMsgWithDelay ( " Keycode = " .. ev.code , 1000 , 1 ) end
return ev.code
end
@ -582,11 +639,11 @@ end
--[[ NuPogodi, 04.09.2012: to make it more easy for users with various purposes and skills.
ATM , one may leave only silent toggling between BEGINNERS_MODE <> ADVANCED_MODE
-- But, in future, one more (the so called ROOT_MODE) might also be rather useful.
S hitch this mode on should allow developers & beta - testers to use some unstable
S witching this mode on should allow developers & beta - testers to use some unstable
and / or dangerous functions able to crash the reader . ] ]
function FileChooser : changeFileChooserMode ( )
local face_list = { " safe mode for beginners" , " advanced mode for experienced users " , " e xpert mode for beta-testers & developers" }
local face_list = { " Safe mode for beginners" , " Advanced mode for experienced users " , " E xpert mode for beta-testers & developers" }
local modes_menu = SelectMenu : new {
menu_title = " Select proper mode to manage files " ,
item_array = face_list ,
@ -594,30 +651,58 @@ function FileChooser:changeFileChooserMode()
}
local m = modes_menu : choose ( 0 , G_height )
if m and m ~= self.filemanager_expert_mode then
--[[ TODO: to allow multiline-rendering for info messages & to include detailed description of the selected mode
local msg = " Press 'Y' to accept new mode... "
if m == self.BEGINNERS_MODE then
msg = " You have selected safe mode for beginners: the filemanager shows only files with the reader-related extensions (*.pdf, *.djvu, etc.); " ..
" safe renaming (no extensions); unstable or dangerous functions are NOT included. " .. msg
elseif m == self.ADVANCED_MODE then
msg = " You have selected advanced mode for experienced users: the filemanager shows all files; " ..
" you may rename not only their names, but also the extensions; the files with unknown extensions would be sent to CREReader " ..
" and could crash the reader. Please, use it in your own risk. " .. msg
else -- ROOT_MODE
msg = " You have selected the most advanced and dangerous mode. I hope You know what you are doing. God bless You. " .. msg
end
InfoMessage : show ( msg , 1 )
if self : ReturnKey ( ) == KEY_Y then ] ]
if ( self.filemanager_expert_mode == self.BEGINNERS_MODE and m > self.BEGINNERS_MODE )
or ( m == self.BEGINNERS_MODE and self.filemanager_expert_mode > self.BEGINNERS_MODE ) then
self.filemanager_expert_mode = m -- make sure that new mode is set before...
self : setPath ( self.path ) -- refreshing the folder content
self : setPath ( self.path ) -- refreshing the folder content
else
self.filemanager_expert_mode = m
end
G_reader_settings : saveSetting ( " filemanager_expert_mode " , self.filemanager_expert_mode )
-- end
end
-- NuPogodi, 26.09.2012: temporary place; when properly tested, might be commented / deleted the following line
InfoMessage : initInfoMessageSettings ( )
self.pagedirty = true
end
-- NuPogodi, 28.09.12: two following functions are extracted just to make the code more compact
function FileChooser : deleteFolderAtPosition ( pos )
if lfs.rmdir ( self.path .. " / " .. self.dirs [ pos ] ) then
table.remove ( self.dirs , pos ) -- to avoid showing just deleted file
self.items = # self.dirs + # self.files
self.current , self.page = gotoTargetItem ( pos , self.items , pos , self.page , self.perpage )
else
InfoMessage : inform ( " Folder can't be deleted! " , 1500 , 1 , MSG_ERROR ,
" This folder can not be deleted! Please, make sure that it is empty. " )
end
end
function FileChooser : deleteFileAtPosition ( pos )
local fullpath = self.path .. " / " .. self.files [ pos -# self.dirs ]
os.remove ( fullpath ) -- delete the file itself
os.remove ( DocToHistory ( fullpath ) ) -- and its history file, if any
table.remove ( self.files , pos -# self.dirs ) -- to avoid showing just deleted file
self.items = self.items - 1
self.current , self.page = gotoTargetItem ( pos , self.items , pos , self.page , self.perpage )
end
-- NuPogodi, 01.10.12: jump to defined item in the itemlist
function gotoTargetItem ( target_item , all_items , current_item , current_page , perpage )
target_item = math.max ( math.min ( target_item , all_items ) , 1 )
local target_page = math.ceil ( target_item / perpage )
local target_curr = ( target_item - 1 ) % perpage + 1
local pagedirty , markerdirty = false , false
if target_page ~= current_page then
current_page = target_page
pagedirty = true
markerdirty = true
elseif target_curr ~= current_item then
markerdirty = true
end
return target_curr , current_page , markerdirty , pagedirty
end
function warningUnsupportedFunction ( )
InfoMessage : inform ( " Unsupported function! " , 2000 , 1 , MSG_WARN ,
" The requested function is not supported. " )
end
Qingping Hou
12 years ago
