Source

vinstall-gambas / src / Settings.class

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' Gambas class file
' This file is part of vinstall-ng.
'     Copyright (c) 2007 - The Vectorlinux Team - See AUTHORS
' 
'     vinstall-ng 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 3 of the License.
' 
'     vinstall-ng is distributed in the hope that it will be useful,
'     but WITHOUT ANY WARRANTY; without even the implied warranty of
'     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
'     GNU General Public License for more details.
' 
'     You should have received a copy of the GNU General Public License
'     along with vinstall-ng.  If not, see <http://www.gnu.org/licenses/>.
'     THIS FILE WAS CONTRIBUTED BY THE MEMEBERS OF THE GAMBAS DEVELOPMENT TEAM

EXPORT
CREATE STATIC

CLASS Window

STATIC PROPERTY READ Path AS String

PRIVATE $sPath AS String
PRIVATE $sTitle AS String
PRIVATE $cSlot AS Collection
PRIVATE $bModify AS Boolean

PROPERTY READ Keys AS _SettingsKeys

 PRIVATE SUB Load()
  
  DIM hFile AS File
  DIM iLine AS Integer
  DIM sLine AS String
  DIM sSlot AS String
  DIM iPos AS Integer

  $cSlot = NEW Collection
  IF NOT Exist($sPath) THEN RETURN

  hFile = OPEN $sPath

  WHILE NOT Eof(hFile)

    INC iLine
    LINE INPUT #hFile, sLine
    sLine = Trim(sLine)
    IF NOT sLine THEN CONTINUE
    IF InStr("#;'", Left$(sLine)) THEN CONTINUE

    IF Left$(sLine) = "[" THEN
      IF Right$(sLine) = "]" THEN
        sSlot = Mid$(sLine, 2, -1)
        $cSlot[sSlot] = NEW Collection
        CONTINUE
      ELSE
        sSlot = FALSE
      ENDIF
    ENDIF

    IF NOT sSlot THEN CONTINUE

    iPos = InStr(sLine, "=")

    $cSlot[sSlot][Trim(Left$(sLine, iPos - 1))] = StsMain.FromString(Trim(Mid$(sLine, iPos + 1)))

  WEND

  CLOSE #hFile

CATCH

  IF iLine THEN
    Error.Raise("Syntax error in settings file at line #" & iLine & ": " & Error.Text)
  ELSE
    Error.Raise(Error.Text)
  ENDIF
  
END


PUBLIC SUB _new(OPTIONAL Path AS String, OPTIONAL Title AS String)

  DIM sDir AS String
  DIM sPath AS String
  DIM sElt AS String

  IF Left(Path) <> "/" AND IF Left(Path) <> "~" THEN 
    IF NOT Path THEN
      Path = Settings.Path &/ Application.Name & ".conf"
    ELSE 
      Path = Settings.Path &/ Path & ".conf"
    ENDIF
    FOR EACH sElt IN Split(Settings.Path, "/")
      sPath &/= sElt
      TRY MKDIR "/" & sPath
    NEXT
  ENDIF

'   IF Left$(Path) <> "/" THEN
'     sDir = "~/.config"
'     TRY MKDIR sDir
'     sDir = sDir &/ "gambas"
'     TRY MKDIR sDir
'     Path = sDir &/ Path
'   ENDIF

  $sTitle = Title

  $sPath = Path
  
  Load

END


PUBLIC SUB _free()

  TRY ME.Save

END


PUBLIC SUB Save()

  DIM aKey AS NEW String[]
  DIM cSlot AS Collection
  DIM sKey AS String
  DIM hFile AS File
  DIM vVal AS Variant

  IF NOT $bModify THEN RETURN

  FOR EACH cSlot IN $cSlot
    aKey.Add($cSlot.Key)
  NEXT

  aKey.Sort

  $bModify = FALSE

  hFile = OPEN $sPath FOR CREATE 

  IF $sTitle THEN
    PRINT #hFile, "# "; $sTitle
  ENDIF

  FOR EACH sKey IN aKey
    cSlot = $cSlot[sKey]
    IF cSlot.Count THEN
      PRINT #hFile, "[" & sKey & "]"
      FOR EACH vVal IN cSlot
        PRINT #hFile, cSlot.Key; "="; StsMain.ToString(vVal)
      NEXT
      PRINT #hFile
    ENDIF
  NEXT

  CLOSE #hFile

'CATCH
'
'  PRINT #File.Err, "Cannot write "; $sPath
'  PRINT #File.Err, Error.Text

END


PRIVATE FUNCTION GetSlot(sKey AS String) AS String

  DIM sSlot AS String

  sSlot = File.Dir(sKey)
  IF NOT sSlot THEN sSlot = "/"
  IF sSlot = "/" THEN
    sSlot = "General"
  ENDIF
  IF Left(sSlot) = "/" THEN sSlot = Mid$(sSlot, 2)

  RETURN sSlot

END


PUBLIC FUNCTION _get(Key AS String, OPTIONAL {Default} AS Variant) AS Variant

  DIM sSlot AS String

  sSlot = GetSlot(Key)
  IF $cSlot.Exist(sSlot) THEN
    Key = File.Name(Key)
    IF $cSlot[sSlot].Exist(Key) THEN
      RETURN $cSlot[sSlot][Key]
    ENDIF
  ENDIF

  RETURN {Default}

END


PUBLIC SUB _put(Value AS Variant, Key AS String)

  DIM sSlot AS String

  sSlot = GetSlot(Key)
  IF NOT $cSlot.Exist(sSlot) THEN $cSlot[sSlot] = NEW Collection

  Key = File.Name(Key)
  'IF $cSlot[sSlot].Exist(Key) THEN
  '  IF $cSlot[sSlot][Key] = sVal THEN RETURN
  'ENDIF

  $cSlot[sSlot][Key] = Value
  $bModify = TRUE

END


PUBLIC SUB Clear(ParentKey AS String)

  DIM sSlot AS String

  sSlot = GetSlot(ParentKey &/ "g")
  $cSlot.Remove(sSlot)
  $bModify = TRUE

END


' PUBLIC FUNCTION MakeWindowKey(sWin AS String, sKey AS String) AS String
' 
'   RETURN "Window" &/ sWin &/ sKey
' 
' END
' 
' 
' PUBLIC SUB LoadWindowPos(hForm AS Form, sKey AS String)
' 
'   DIM sPos AS String
'   DIM cPos AS String[]
' 
'   'Dump($cData)
' 
'   sPos = ReadString(MakeWindowKey(sKey, "Pos"))
'   IF Not sPos THEN RETURN
' 
'   'PRINT "LoadWindowPos: "; sKey; ": "; sPos
' 
'   cPos = Split(sPos, ",")
'   IF cPos.Count = 4 THEN
'     hForm.Move(cPos[0], cPos[1], cPos[2], cPos[3])
'   ELSE
'     hForm.Move(cPos[0], cPos[1])
'   ENDIF
' 
' END
' 
' 
' PUBLIC SUB SaveWindowPos(hWindow AS Form, sKey AS String, OPTIONAL bSaveSize AS Boolean = TRUE)
' 
'   DIM sPos AS String
' 
'   sPos = CStr(hWindow.X) & "," & CStr(hWindow.Y)
'   IF bSaveSize THEN
'     sPos = sPos & "," & CStr(hWindow.Width) & "," & CStr(hWindow.Height)
'   ENDIF
' 
'   WriteString(MakeWindowKey(sKey, "Pos"), sPos)
'   'PRINT "SaveWindowPos: "; sKey; ": "; sPos
' 
' END
' 
' 
' PUBLIC SUB LoadWindowSize(hForm AS Form, sKey AS String)
' 
'   DIM sPos AS String
'   DIM cPos AS String[]
' 
'   'Dump($cData)
' 
'   sPos = ReadString(MakeWindowKey(sKey, "Pos"))
'   IF Not sPos THEN RETURN
' 
'   'PRINT "LoadWindowPos: "; sKey; ": "; sPos
' 
'   cPos = Split(sPos, ",")
'   hForm.Resize(cPos[0], cPos[1])
' 
' END
' 
' 
' PUBLIC SUB SaveWindowSize(hWindow AS Form, sKey AS String)
' 
'   DIM sPos AS String
' 
'   sPos = CStr(hWindow.W) & "," & CStr(hWindow.H)
'   WriteString(MakeWindowKey(sKey, "Pos"), sPos)
'   'PRINT "SaveWindowPos: "; sKey; ": "; sPos
' 
' END
' 
' 
' PUBLIC SUB SaveSplitterPos(hSplitter AS Object, sWindow AS String, sKey AS String)
' 
'   TRY WriteString(MakeWindowKey(sWindow, sKey), hSplitter.Layout)
'   IF ERROR THEN PRINT Error.Text
' 
' END
' 
' PUBLIC SUB LoadSplitterPos(hSplitter AS Object, sWindow AS String, sKey AS String)
' 
'   TRY hSplitter.Layout = ReadString(MakeWindowKey(sWindow, sKey))
'   IF ERROR THEN PRINT Error.Text
' 
' END

PUBLIC SUB ReadWindow(hWindow AS Window, sKey AS String)

  DIM sPos AS String
  DIM aPos AS Integer[]

  aPos = ME[sKey &/ "Geometry"]
  IF NOT aPos THEN RETURN

  'cPos = Split(sPos, ",")
  IF aPos.Count = 4 AND hWindow.Resizable THEN
    IF hWindow.Modal THEN
      hWindow.Resize(aPos[2], aPos[3])
      hWindow.Center
    ELSE
      hWindow.Move(Max(0, aPos[0]), Max(0, aPos[1]), aPos[2], aPos[3])
    ENDIF
  ELSE
    IF NOT hWindow.Modal THEN hWindow.Move(aPos[0], aPos[1])
  ENDIF

END


PUBLIC SUB WriteWindow(hWindow AS Window, sKey AS String)

  ME[sKey &/ "Geometry"] = [hWindow.X, hWindow.Y, hWindow.Width, hWindow.Height]

END


PRIVATE SUB GetTopLevel(hCtrl AS Object) AS String
  
  RETURN Object.Type(hCtrl.Window)
  
END



PUBLIC SUB Read(hObject AS Object, OPTIONAL sKey AS String, OPTIONAL vDefault AS Variant)

  DIM sVal AS String
  DIM aVal AS String[]

  IF Object.Is(hObject, "Window") THEN
    sKey = Object.Type(hObject) &/ sKey
    ReadWindow(hObject, sKey)
  ELSE
    IF NOT sKey THEN TRY sKey = hObject.Name
    sKey = GetTopLevel(hObject) &/ sKey
    TRY hObject.Settings = ME[sKey, vDefault]
  ENDIF

END

PUBLIC SUB Write(hObject AS Object, OPTIONAL sKey AS String)

  IF Object.Is(hObject, "Window") THEN
    sKey = Object.Type(hObject) &/ sKey
    WriteWindow(hObject, sKey)
  ELSE 'IF Object.Is(hObject, "SidePanel") THEN
    IF NOT sKey THEN TRY sKey = hObject.Name
    sKey = GetTopLevel(hObject) &/ sKey
    TRY ME[sKey] = hObject.Settings
  ENDIF

END


STATIC PRIVATE FUNCTION Path_Read() AS String

  DIM sPath AS String = Application.Env["XDG_CONFIG_HOME"]
  IF NOT sPath THEN sPath = System.User.Home &/ ".config"
  RETURN sPath &/ "gambas" & System.Version

END

STATIC PUBLIC FUNCTION Array(...) AS String[]
  
  DIM aVal AS NEW String[]
  DIM iInd AS Integer
  DIM sVal AS String
  DIM vVal AS Variant
  
  FOR iInd = 0 TO Param.Max
    vVal = Param[iInd]
    IF IsBoolean(vVal) THEN 
      sVal = IIf(vVal, "1", "0")
    ELSE
      sVal = CStr(vVal)
    ENDIF
    aVal.Add(sVal)
  NEXT
  
  RETURN aVal
  
END

' STATIC PUBLIC FUNCTION FromString(Value AS String) AS String[]
'   
'   DIM aRet AS NEW String[]
'   DIM iInd AS Integer
'   
'   aRet = Split(Value, ",", "\"")
'   FOR iInd = 0 TO aRet.Max
'     aRet[iInd] = Replace(aRet[iInd], "\"\"", "\"")
'   NEXT
'   
'   RETURN aRet
'   
' END
' 

PUBLIC SUB Reload()
  
  Load
  
END


PRIVATE FUNCTION Keys_Read() AS _SettingsKeys

  _SettingsKeys._Slot = $cSlot
  _SettingsKeys._Parent = ""
  RETURN _SettingsKeys

END
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