FileManPanel.hs

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---- FreeArc archive manager: file manager panel                                              ------
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module FileManPanel where

import Prelude hiding (catch)
import Control.Concurrent
import Control.Exception
import Control.Monad
import Data.Char
import Data.IORef
import Data.List
import Data.Maybe
import System.IO.Unsafe
import System.Time

import Graphics.UI.Gtk
import Graphics.UI.Gtk.ModelView as New

import Utils
import Errors
import Files
import FileInfo
import Charsets
import Options
import Cmdline
import UIBase
import UI
import ArhiveDirectory
import FileManUtils


-- |Ïàðîëè øèôðîâàíèÿ è ðàñøèôðîâêè
encryptionPassword  =  unsafePerformIO$ newIORef$ ""
decryptionPassword  =  unsafePerformIO$ newIORef$ ""

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---- Îïåðàöèè ôàéë-ìåíåäæåðà -----------------------------------------------------------------------
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-- |Ñîçäàòü ôèêòèâíóþ ïàíåëü ôàéë-ìåíåäæåðà (äëÿ ïðÿìîãî âûçîâà äèàëîãîâ èç êîì. ñòðîêè)
newEmptyFM = do
  history <- openHistoryFile
  curdir <- getCurrentDirectory
  fm' <- mvar FM_State { fm_window_      = Nothing
                       , fm_view         = error "undefined FM_State::fm_view"
                       , fm_model        = error "undefined FM_State::fm_model"
                       , fm_selection    = error "undefined FM_State::fm_selection"
                       , fm_statusLabel  = error "undefined FM_State::fm_statusLabel"
                       , fm_messageCombo = error "undefined FM_State::fm_messageCombo"
                       , fm_filelist     = error "undefined FM_State::fm_filelist"
                       , fm_history      = history
                       , fm_onChdir      = []
                       , fm_sort_order   = ""
                       , subfm           = FM_Directory {subfm_dir=curdir}}
  return fm'

-- |Ñîçäàòü ïåðåìåííóþ äëÿ õðàíåíèÿ ñîñòîÿíèÿ ôàéë-ìåíåäæåðà
newFM window view model selection statusLabel messageCombo = do
  fm' <- newEmptyFM
  messageCounter <- ref 0  -- number of last message + 1 in combobox
  fm' .= (\fm -> fm { fm_window_      = Just window
                   , fm_view         = view
                   , fm_model        = model
                   , fm_selection    = selection
                   , fm_statusLabel  = statusLabel
                   , fm_messageCombo = (messageCombo, messageCounter)})
  selection `New.onSelectionChanged` fmStatusBarTotals fm'
  return fm'

-- |Îòêðûòü àðõèâ è âîçâðàòèòü åãî êàê îáúåêò ñîñòîÿíèÿ ôàéë-ìåíåäæåðà
newFMArc fm' arcname arcdir = do
  xpwd'     <- val decryptionPassword
  xkeyfile' <- fmGetHistory1 fm' "keyfile" ""
  [command] <- parseCmdline$ ["l", arcname]++(xpwd' &&& ["-op"++xpwd'])
                                           ++(xkeyfile' &&& ["--OldKeyfile="++xkeyfile'])
  command <- (command.$ opt_cook_passwords) command ask_passwords  -- ïîäãîòîâèòü ïàðîëè â êîìàíäå ê èñïîëüçîâàíèþ
  archive <- archiveReadInfo command "" "" (const True) doNothing2 arcname
  let filetree = buildTree$ map (fiToFileData.cfFileInfo)$ arcDirectory archive
  arcClose archive
  return$ FM_Archive archive arcname arcdir filetree

-- |Çàêðûòü ôàéë àðõèâà ÷òîáû 1) äðóãèå îïåðàöèè ñìîãëè ìîäèôèöèðîâàòü åãî,
--    2) åãî ñîäåðæèìîå áûëî ïåðå÷èòàíî çàíîâî ïðè ñëåäóþùåì èñïîëüçîâàíèè
closeFMArc fm' = do
  fm <- val fm'
  --arcClose (fm_archive fm)
  when (isFM_Archive fm) $ do
    fm' .= \fm -> fm {subfm = (subfm fm) {subfm_archive = phantomArc}}

-- Ïåðåéòè â àðõèâ/êàòàëîã filename
chdir fm' filename' = do
  fm <- val fm'
  filename <- fmCanonicalizePath fm' filename'
  res <- splitArcPath fm' filename
  msg <- i18n"0071 %1: no such file or directory!"
  if res==Not_Exists  then fmErrorMsg fm' (format msg filename)  else do
  (files, sub) <- case res of
    -- Ñïèñîê ôàéëîâ â êàòàëîãå íà äèñêå
    DiskPath dir -> do filelist <- dir_list dir
                       return (map fiToFileData filelist, FM_Directory dir)
    -- Ñïèñîê ôàéëîâ â àðõèâå
    ArcPath arcname arcdir -> do
                       arc <- if isFM_Archive fm && arcname==fm_arcname fm && not (arcPhantom (fm_archive fm))
                                then return ((fm.$subfm) {subfm_arcdir=arcdir})
                                else newFMArc fm' arcname arcdir
                       return (arc.$subfm_filetree.$ftFilesIn arcdir fdArtificialDir, arc)
  -- Çàïèøåì òåêóùèé êàòàëîã/àðõèâ â fm è âûâåäåì íà ýêðàí íîâûé ñïèñîê ôàéëîâ
  fm' =: fm {subfm = sub}
  fmSetFilelist fm' (files.$ sortOnColumn (fm_sort_order fm))
  -- Îáíîâèì ñòàòóñáàð è âûïîëíèì âñå îñòàëüíûå çàïðîãðàììèðîâàííûå äåéñòâèÿ.
  sequence_ (fm_onChdir fm)
  widgetGrabFocus (fm_view fm)

-- Îòîáðàçèòü èçìåíåíèå èìåíè àðõèâà
fmChangeArcname fm' newname = do
  fm' .= fm_changeArcname newname
  fm <- val fm'
  sequence_ (fm_onChdir fm)

-- |Äîáàâèòü action â ñïèñîê îïåðàöèé, âûïîëíÿåìûõ ïðè ïåðåõîäå â äðóãîé êàòàëîã/àðõèâ
fmOnChdir fm' action = do
  fm' .= \fm -> fm {fm_onChdir = action : fm_onChdir fm}

-- |Âûâåñòè â ñòðîêó ñîîáùåíèé èíôîðìàöèþ îá îáùåì îáú¸ìå ôàéëîâ è ñêîëüêî èç íèõ âûáðàíî
fmStatusBarTotals fm' = do
  fm <- val fm'
  selected <- getSelectionFileInfo fm'
  [sel,total] <- i18ns ["0022 Selected %1 bytes in %2 file(s)", "0023 Total %1 bytes in %2 file(s)"]
  let format msg files  =  formatn msg [show3$ sum$ map fdSize files,  show3$ length files]
  fmStatusBarMsg fm' $ (selected &&& (format sel   selected++"     "))
                                 ++   format total (fm_filelist fm)

-- |Âûâåñòè èíôîðìàöèþ â ñòàòóñ-ñòðîêó
fmStatusBarMsg fm' msg = do
  fm <- val fm'
  labelSetText (fm_statusLabel fm) msg
  return ()

-- |Äîáàâèòü ñîîáùåíèå â pop-up ñïèñîê ñîîáùåíèé
fmStackMsg fm' emsg = do
  fm <- val fm'
  let (box,n')  =  fm_messageCombo fm
  n <- val n';  n' += 1
  current_time <- getClockTime
  let timestr = showtime "%H:%M:%S " current_time
  imsg <- i18n emsg
  New.comboBoxAppendText box (imsg &&& (timestr++imsg))
  New.comboBoxSetActive  box n
  return ()

-- |Èìÿ ôàéëà, íàõîäÿùåãîñÿ ïî çàäàííîìó ïóòè
fmFilenameAt fm' path  =  fmname `fmap` fmFileAt fm' path

-- |Ôàéë, íàõîäÿùèéñÿ ïî çàäàííîìó ïóòè
fmFileAt fm' path = do
  fm <- val fm'
  let fullList = fm_filelist fm
  return$ fullList!!head path

-- |Âîçâðàòèòü ôàéë ïîä êóðñîðîì
fmGetCursor fm' = do
  fm <- val fm'
  let fullList  = fm_filelist  fm
  (cursor,_) <- New.treeViewGetCursor (fm_view fm)
  case cursor of
    [i] -> return (fdBasename$ fullList!!i)
    _   -> return ""

-- |Óñòàíîâèòü êóðñîð íà çàäàííûé ôàéë
fmSetCursor fm' filename = do
  fm <- val fm'
  whenJustM_ (fmFindCursor fm' filename)
             (\cursor -> New.treeViewSetCursor (fm_view fm) cursor Nothing)

-- |Âîçâðàòèòü êóðñîð äëÿ ôàéëà ñ çàäàííûì èìåíåì
fmFindCursor fm' filename = do
  fm <- val fm'
  let fullList  =  fm_filelist  fm
  return (fmap (:[])$  findIndex ((filename==).fmname) fullList)

-- |Âûâåñòè íà ýêðàí íîâûé ñïèñîê ôàéëîâ
fmSetFilelist fm' files = do
  fm <- val fm'
  fm' =: fm {fm_filelist = files}
  changeList (fm_model fm) (fm_selection fm) files

-- |Âûâåñòè ñîîáùåíèå îá îøèáêå
fmErrorMsg fm' msg = do
  fm <- val fm'
  msgBox (fm_window fm) MessageError msg

-- |Âûâåñòè èíôîðìàöèîííîå ñîîáùåíèå
fmInfoMsg fm' msg = do
  fm <- val fm'
  msgBox (fm_window fm) MessageInfo msg


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---- Âûäåëåíèå ôàéëîâ ------------------------------------------------------------------------------
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-- |Îòìåòèòü/ðàçîòìåòèòü ôàéëû, óäîâëåòâîðÿþùèå çàäàííîìó ïðåäèêàòó
fmSelectFilenames   = fmSelUnselFilenames New.treeSelectionSelectRange
fmUnselectFilenames = fmSelUnselFilenames New.treeSelectionUnselectRange
fmSelUnselFilenames selectOrUnselect fm' filter_p = do
  fm <- val fm'
  let fullList  = fm_filelist  fm
  let selection = fm_selection fm
  for (makeRanges$ findIndices filter_p fullList)
      (\(x,y) -> selectOrUnselect selection [x] [y])

-- |Îòìåòèòü/ðàçîòìåòèòü âñå ôàéëû
fmSelectAll   fm' = New.treeSelectionSelectAll   . fm_selection =<< val fm'
fmUnselectAll fm' = New.treeSelectionUnselectAll . fm_selection =<< val fm'

-- |Èíâåðòèðîâàòü âûäåëåíèå
fmInvertSelection fm' = do
  fm <- val fm'
  let files     = length$ fm_filelist fm
  let selection = fm_selection fm
  for [0..files-1] $ \i -> do
    selected <- New.treeSelectionPathIsSelected selection [i]
    (if selected  then New.treeSelectionUnselectPath  else New.treeSelectionSelectPath) selection [i]

-- |Ñïèñîê èì¸í èçáðàííûõ ôàéëîâ + èì¸í êàòàëîãîâ â îòîáðàæåíèè mapDirName
getSelection fm' mapDirName = do
  let mapFilenames fd | fdIsDir fd = mapDirName$ fmname fd
                      | otherwise  = [fmname fd]
  getSelectionFileInfo fm' >>== concatMap mapFilenames

-- |Ñïèñîê FileInfo èçáðàííûõ ôàéëîâ
getSelectionFileInfo fm' = do
  fm <- val fm'
  let fullList = fm_filelist fm
  getSelectionRows fm' >>== map (fullList!!)

-- |Ñïèñîê íîìåðîâ èçáðàííûõ ôàéëîâ
getSelectionRows fm' = do
  fm <- val fm'
  let selection = fm_selection fm
  New.treeSelectionGetSelectedRows selection >>== map head

-- |Óäàëèòü èç ìîäåëè âûáðàííûå ôàéëû
fmDeleteSelected fm' = do
  rows <- getSelectionRows fm'
  fm <- val fm'
  fmSetFilelist fm' (fm_filelist fm `deleteElems` rows)     -- O(n^2)!


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---- Ñîðòèðîâêà ñïèñêà ôàéëîâ ----------------------------------------------------------------------
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-- |Âîçâðàòèòü òåêóùèé ïîðÿäîê ñîðòèðîâêè
fmGetSortOrder fm'  =  fm_sort_order `fmap` val fm'
-- |Óñòàíîâèòü ïîðÿäîê ñîðòèðîâêè
fmSetSortOrder fm' showSortOrder  =  fmModifySortOrder fm' showSortOrder . const
-- |Ìîäèôèöèðîâàòü ïîðÿäîê ñîðòèðîâêè â fm' è ïîêàçàòü èíäèêàòîð ñîðòèðîâêè íàä ñîîòâåòñòâóþùèì ñòîëáöîì
fmModifySortOrder fm' showSortOrder f_order = do
  fm <- val fm'
  let sort_order = f_order (fm_sort_order fm)
  fm' =: fm {fm_sort_order = sort_order}
  -- Ìîäèôèöèðóåì èíäèêàòîð ñîðòèðîâêè
  let (column, order)  =  break1 isUpper sort_order
  showSortOrder column (if order == "Asc"  then SortAscending  else SortDescending)

-- |Ñîõðàíèòü ïîðÿäîê ñîðòèðîâêè â èñòîðèþ
fmSaveSortOrder    fm'  =  fmReplaceHistory fm' "SortOrder"
-- |Âîññòàíîâèòü ïîðÿäîê ñîðòèðîâêè èç èñòîðèè
fmRestoreSortOrder fm'  =  fmGetHistory1    fm' "SortOrder" "NameAsc"

-- | (ClickedColumnName, OldSortOrder) -> NewSortOrder
calcNewSortOrder "Name"     "NameAsc"      = "NameDesc"
calcNewSortOrder "Name"     _              = "NameAsc"
calcNewSortOrder "Size"     "SizeDesc"     = "SizeAsc"
calcNewSortOrder "Size"     _              = "SizeDesc"
calcNewSortOrder "Modified" "ModifiedDesc" = "ModifiedAsc"
calcNewSortOrder "Modified" _              = "ModifiedDesc"

-- |Âûáîð ôóíêöèè ñîðòèðîâêè ïî èìåíè êîëîíêè
sortOnColumn "NameAsc"       =  sortOn (\fd -> (not$ fdIsDir fd, strLower$ fmname fd))
sortOnColumn "NameDesc"      =  sortOn (\fd -> (     fdIsDir fd, strLower$ fmname fd))  >>> reverse
--
sortOnColumn "SizeAsc"       =  sortOn (\fd -> if fdIsDir fd  then -1             else  fdSize fd)
sortOnColumn "SizeDesc"      =  sortOn (\fd -> if fdIsDir fd  then aFILESIZE_MIN  else -fdSize fd)
--
sortOnColumn "ModifiedAsc"   =  sortOn (\fd -> (not$ fdIsDir fd,  fdTime fd))
sortOnColumn "ModifiedDesc"  =  sortOn (\fd -> (not$ fdIsDir fd, -fdTime fd))
--
sortOnColumn _               =  id


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---- Îïåðàöèè ñ ôàéëîì èñòîðèè ---------------------------------------------------------------------
----------------------------------------------------------------------------------------------------

fmAddHistory         fm' tags text             =  do fm <- val fm';  hfAddHistory         (fm_history fm) tags text
fmReplaceHistory     fm' tags text             =  do fm <- val fm';  hfReplaceHistory     (fm_history fm) tags text
fmModifyHistory      fm' tags text deleteCond  =  do fm <- val fm';  hfModifyHistory      (fm_history fm) tags text deleteCond
fmGetHistory1        fm' tags deflt            =  do fm <- val fm';  hfGetHistory1        (fm_history fm) tags deflt
fmGetHistory         fm' tags                  =  do fm <- val fm';  hfGetHistory         (fm_history fm) tags
fmGetHistoryBool     fm' tag deflt             =  do fm <- val fm';  hfGetHistoryBool     (fm_history fm) tag deflt
fmReplaceHistoryBool fm' tag x                 =  do fm <- val fm';  hfReplaceHistoryBool (fm_history fm) tag x
fmSaveSizePos        fm' dialog name           =  do fm <- val fm';  hfSaveSizePos        (fm_history fm) dialog name
fmSaveMaximized      fm' dialog name           =  do fm <- val fm';  hfSaveMaximized      (fm_history fm) dialog name
fmRestoreSizePos     fm' window name deflt     =  do fm <- val fm';  hfRestoreSizePos     (fm_history fm) window name deflt
fmCacheConfigFile    fm' action                =  do fm <- val fm';  hfCacheConfigFile    (fm_history fm) action
fmUpdateConfigFiles  fm'                       =  do fm <- val fm';  hfUpdateConfigFiles  (fm_history fm)


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---- GUI controls, âçàèìîäåéñòâóþùèå ñ FM ----------------------------------------------------------
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-- |Êîìáèíèðîâàííûé âèäæåò, ïðåäñòàâëÿþùèé ñòðîêó ââîäà ñ ñîõðàíÿåìîé èñòîðèåé
data EntryWithHistory = EntryWithHistory
  { ehGtkWidget   :: GtkWidget ComboBoxEntry String
  , entry         :: Entry
  }

instance GtkWidgetClass EntryWithHistory ComboBoxEntry String where
  widget        = widget        . ehGtkWidget
  getTitle      = getTitle      . ehGtkWidget
  setTitle      = setTitle      . ehGtkWidget
  getValue      = getValue      . ehGtkWidget
  setValue      = setValue      . ehGtkWidget
  setOnUpdate   = setOnUpdate   . ehGtkWidget
  onClick       = onClick       . ehGtkWidget
  saveHistory   = saveHistory   . ehGtkWidget
  rereadHistory = rereadHistory . ehGtkWidget


{-# NOINLINE fmEntryWithHistory #-}
-- |Ñîçäàòü êîìáî-áîêñ ñ èñòîðèåé ïîä òåãîì tag;
-- ïåðåä çàïîìèíàíèåì â èñòîðèè ïðîïóñêàòü ââåä¸ííûé òåêñò ÷åðåç îïåðàöèþ process
fmEntryWithHistory fm' tag filter_p process = do
  -- Create GUI controls
  comboBox <- New.comboBoxEntryNewText
  Just entry <- binGetChild comboBox >>== fmap castToEntry
  set entry [entryActivatesDefault := True]
  -- Define callbacks
  last <- fmGetHistory fm' (tag++"Last")
  let fixedOrder  =  (last>[])   -- True - keep order of dropdown "menu" elements fixed
  history' <- mvar []
  let readHistory = do
        history' .<- \oldHistory -> do
          replicateM_ (1+length oldHistory) (New.comboBoxRemoveText comboBox 0)
          history <- fmGetHistory fm' tag >>= Utils.filterM filter_p
          for history (New.comboBoxAppendText comboBox)
          return history
  let getText = do
        val entry >>= process
  let setText text = do
        entry =: text
  let saveHistory = do
        text <- getText
        history <- val history'
        when fixedOrder $ do
          fmReplaceHistory fm' (tag++"Last") text
        unless (fixedOrder && (text `elem` history)) $ do
          New.comboBoxPrependText comboBox text
          fmAddHistory fm' tag text
  readHistory
  -- Óñòàíîâèòü òåêñò â ïîëå ââîäà
  case last of
    last:_ -> entry =: last
    []     -> do history <- val history'
                 when (history > []) $ do
                   New.comboBoxSetActive comboBox 0
  --
  return EntryWithHistory
           {                           entry           = entry
           , ehGtkWidget = gtkWidget { gwWidget        = comboBox
                                     , gwGetValue      = getText
                                     , gwSetValue      = setText
                                     , gwSetOnUpdate   = \action -> New.onChanged comboBox action >> return ()
                                     , gwSaveHistory   = saveHistory
                                     , gwRereadHistory = readHistory
                                     }
           }


{-# NOINLINE fmLabeledEntryWithHistory #-}
-- |Ââîä ñòðîêè ñ èñòîðèåé ïîä òýãîì tag è ìåòêîé ñëåâà
fmLabeledEntryWithHistory fm' tag title = do
  hbox  <- hBoxNew False 0
  title <- label title
  inputStr <- fmEntryWithHistory fm' tag (const$ return True) (return)
  boxPackStart  hbox  (widget title)     PackNatural 0
  boxPackStart  hbox  (widget inputStr)  PackGrow    5
  return (hbox, inputStr)


{-# NOINLINE fmCheckedEntryWithHistory #-}
-- |Ââîä ñòðîêè ñ èñòîðèåé ïîä òýãîì tag è ÷åêáîêñîì ñëåâà
fmCheckedEntryWithHistory fm' tag title = do
  hbox  <- hBoxNew False 0
  checkBox <- checkBox title
  inputStr <- fmEntryWithHistory fm' tag (const$ return True) (return)
  boxPackStart  hbox  (widget checkBox)  PackNatural 0
  boxPackStart  hbox  (widget inputStr)  PackGrow    5
  --checkBox `onToggled` do
  --  on <- val checkBox
  --  (if on then widgetShow else widgetHide) (widget inputStr)
  return (hbox, checkBox, inputStr)


{-# NOINLINE fmFileBox #-}
-- |Ââîä èìåíè ôàéëà/êàòàëîãà ñ èñòîðèåé ïîä òýãîì tag è ïîèñêîì ïî äèñêó ÷åðåç âûçûâàåìûé äèàëîã
fmFileBox fm' dialog tag dialogType makeControl dialogTitle filters filter_p process = do
  hbox     <- hBoxNew False 0
  control  <- makeControl
  filename <- fmEntryWithHistory fm' tag filter_p process
  chooserButton <- button "9999 ..."
  chooserButton `onClick` do
    chooseFile dialog dialogType dialogTitle filters (val filename) (filename =:)
  boxPackStart  hbox  (widget control)        PackNatural 0
  boxPackStart  hbox  (widget filename)       PackGrow    5
  boxPackStart  hbox  (widget chooserButton)  PackNatural 0
  return (hbox, control, filename)

{-# NOINLINE fmInputString #-}
-- |Çàïðîñèòü ó ïîëüçîâàòåëÿ ñòðîêó (ñ èñòîðèåé ââîäà)
fmInputString fm' tag title filter_p process = do
  fm <- val fm'
  -- Ñîçäàäèì äèàëîã ñî ñòàíäàðòíûìè êíîïêàìè OK/Cancel
  fmDialog fm' title [] $ \(dialog,okButton) -> do
    x <- fmEntryWithHistory fm' tag filter_p process

    upbox <- dialogGetUpper dialog
    --boxPackStart  upbox label    PackGrow 0
    boxPackStart  upbox (widget x) PackGrow 0
    widgetShowAll upbox

    choice <- dialogRun dialog
    case choice of
      ResponseOk -> do saveHistory x; val x >>== Just
      _          -> return Nothing


{-# NOINLINE fmCheckButtonWithHistory #-}
-- |Ñîçäàòü ÷åêáîêñ ñ èñòîðèåé ïîä òåãîì tag
fmCheckButtonWithHistory fm' tag deflt title = do
  control <- checkBox title
  let rereadHistory = do
        control =:: fmGetHistoryBool fm' tag deflt
  let saveHistory = do
        fmReplaceHistoryBool fm' tag =<< val control
  rereadHistory
  return$ control
           { gwSaveHistory   = saveHistory
           , gwRereadHistory = rereadHistory
           }

{-# NOINLINE fmExpanderWithHistory #-}
-- |Ñîçäàòü ýêñïàíäåð ñ èñòîðèåé ïîä òåãîì tag
fmExpanderWithHistory fm' tag deflt title = do
  control <- expander title
  let rereadHistory = do
        control =:: fmGetHistoryBool fm' tag deflt
  let saveHistory = do
        fmReplaceHistoryBool fm' tag =<< val control
  rereadHistory
  return$ control
           { gwSaveHistory   = saveHistory
           , gwRereadHistory = rereadHistory
           }

{-# NOINLINE fmDialog #-}
-- |Äèàëîã ñî ñòàíäàðòíûìè êíîïêàìè OK/Cancel
fmDialog fm' title flags action = do
  fm <- val fm'
  title <- i18n title
  bracketCtrlBreak "fmDialog" dialogNew widgetDestroy $ \dialog -> do
    set dialog [windowTitle          := title,
                containerBorderWidth := 0]
    when (isJust$ fm_window_ fm) $ do
      set dialog [windowTransientFor := fm_window fm]
    -- Ñîçäàòü 2 èëè 3 êíîïêè
    addStdButton dialog ResponseOk       >>= \okButton -> do
    addStdButton dialog aResponseDetach  `on`  (AddDetachButton `elem` flags)
    addStdButton dialog ResponseCancel
    --
    dialogSetDefaultResponse dialog ResponseOk
    tooltips =:: tooltipsNew
    action (dialog,okButton)

-- |Äîï. ôëàãè äëÿ íàñòðîéêè fmDialog
data FMDialogFlags = AddDetachButton  -- ^Äîáàâëÿòü Detach button â äèàëîã?
                     deriving Eq

{-# NOINLINE fmDialogRun #-}
-- |Îòðàáîòàòü äèàëîã ñ ñîõðàíåíèåì åãî ïîëîæåíèÿ è ðàçìåðà â èñòîðèè
fmDialogRun fm' dialog name = do
  fmRestoreSizePos fm' dialog name ""
  res <- dialogRun dialog
  fmSaveSizePos    fm' dialog name
  fm <- val fm'
  when (isJust$ fm_window_ fm) $ do
    windowPresent (fm_window fm)
  return res


----------------------------------------------------------------------------------------------------
---- Ñïèñîê ôàéëîâ â àðõèâå ------------------------------------------------------------------------
----------------------------------------------------------------------------------------------------

createFilePanel = do
  let columnTitles = ["0015 Name", "0016 Size", "0017 Modified", "0018 DIRECTORY"]
      n = map (drop 5) columnTitles
  s <- i18ns columnTitles
  createListView fmname [(n!!0, s!!0, fmname,                                                       []),
                         (n!!1, s!!1, (\fd -> if (fdIsDir fd) then (s!!3) else (show3$ fdSize fd)), [cellXAlign := 1]),
                         (n!!2, s!!2, (guiFormatDateTime.fdTime),                                   [])]

createListView searchField columns = do
  -- Scrolled window where this list will be put
  scrwin <- scrolledWindowNew Nothing Nothing
  scrolledWindowSetPolicy scrwin PolicyAutomatic PolicyAutomatic
  -- Create a new ListView
  view  <- New.treeViewNew
  set view [ {-New.treeViewSearchColumn := 0, -} New.treeViewRulesHint := True]
  New.treeViewSetHeadersVisible view True
  -- Ñîçäà¸ì è óñòàíàâëèâàåì ìîäåëü
  model <- New.listStoreNew []
  set view [New.treeViewModel := model]
  -- Ñîçäà¸ì êîëîíêè äëÿ å¸ îòîáðàæåíèÿ.
  onColumnTitleClicked <- ref doNothing
  let addColumnActions = columns.$map (\(a,b,c,d) -> addColumn view model onColumnTitleClicked a b c d)
  columns <- sequence addColumnActions
  addColumn view model onColumnTitleClicked "" "" (const "") []
  -- Âêëþ÷àåì ïîèñê ïî ïåðâîé êîëîíêå
  New.treeViewSetEnableSearch view True
  New.treeViewSetSearchColumn view 0
  New.treeViewSetSearchEqualFunc view $ \col str iter -> do
    (i:_) <- New.treeModelGetPath model iter
    row <- New.listStoreGetValue model i
    return (strLower(searchField row) ~= strLower(str)++"*")
  -- Enable multiple selection
  selection <- New.treeViewGetSelection view
  set selection [New.treeSelectionMode := SelectionMultiple]
  -- Pack list into scrolled window and return window
  containerAdd scrwin view
  return (scrwin, view, model, selection, columns, onColumnTitleClicked)

-- |Çàäàòü íîâûé ñïèñîê îòîáðàæàåìûõ ôàéëîâ
changeList model selection filelist = do
  New.treeSelectionUnselectAll selection
  -- Óäàëèòü ñòàðûå äàííûå èç ìîäåëè è çàïîëíèòü å¸ íîâûìè
  New.listStoreClear model
  for filelist (New.listStoreAppend model)

-- |Äîáàâèòü âî view êîëîíêó, îòîáðàæàþùóþ field, ñ çàãîëîâêîì title
addColumn view model onColumnTitleClicked colname title field attrs = do
  col1 <- New.treeViewColumnNew
  New.treeViewColumnSetTitle col1 title
  renderer1 <- New.cellRendererTextNew
  New.cellLayoutPackStart col1 renderer1 False
  -- Ïîïûòêè ñäåëàòü ïîëå èìåíè àâòîìàòè÷åñêè óâåëè÷èâàþùèìñÿ ïðè óâåëè÷åíèè îêíà ïðîãðàììû
  -- (bool New.cellLayoutPackStart New.cellLayoutPackEnd expand) col1 renderer1 expand
  -- set col1 [New.treeViewColumnSizing := TreeViewColumnAutosize] `on` expand
  -- set col1 [New.treeViewColumnSizing := TreeViewColumnFixed] `on` not expand
  -- cellLayoutSetAttributes  [New.cellEditable := True, New.cellEllipsize := EllipsizeEnd]
  when (colname/="") $ do
    set col1 [ New.treeViewColumnResizable   := True
             , New.treeViewColumnSizing      := TreeViewColumnFixed
             , New.treeViewColumnClickable   := True
             , New.treeViewColumnReorderable := True ]
  -- Ïðè íàæàòèè íà çàãîëîâîê ñòîëáöà âûçâàòü êîëáýê
  col1 `New.onColClicked` do
    val onColumnTitleClicked >>= ($colname)
  New.cellLayoutSetAttributes col1 renderer1 model $ \row -> [New.cellText := field row] ++ attrs
  New.treeViewAppendColumn view col1
  return (colname,col1)

-- |Ïîêàçàòü èíäèêàòîð ñîðòèðîâêè íàä ñòîëáöîì colname â íàïðàâëåíèè order
showSortOrder columns colname order = do
  for (map snd columns) (`New.treeViewColumnSetSortIndicator` False)
  let Just col1  =  colname `lookup` columns
  New.treeViewColumnSetSortIndicator col1 True
  New.treeViewColumnSetSortOrder     col1 order