--
-- (c) 2007, Galois, Inc.
--
-- MSI dialogs + utilities for creating your own.
--
module Bamse.DialogUtils 
	( ghcPkgDialog		-- :: Dialog
	, setupTypeDialog	-- :: Dialog
	, customizeDialog	-- :: Dialog
	) where

import Bamse.Package
import Bamse.Dialog

ghcPkgDialog :: Dialog
ghcPkgDialog = 
  addControl (Control "Msg" (Text "foo") Nothing
      		(40,180) (180,40)
		"WARNING: unable to locate ghc-pkg; automatic installation not available"
		[Transparent,Enabled]
		"" "") $
  addCond ("Msg", "Show", "GHCPKGDIR=\"\"") $
  addCond ("InstallKind", "Disable", "GHCPKGDIR=\"\"") $
  mkChoiceDialog "GhcPkgDialog"
  		 "Package installation"
		 "{\\VerdanaBold13}Select [ProductName] package installation type"
		 "The [Wizard] can automatically register the package with GHC; do you want this?"
		 [ ("Yes", "1")
		 , ("No",  "0")
		 ]
		 "RUNPKGMGR"
		 "WelcomeDlg"
		 "NOT Installed"
		 ("InstallKind", "2")
  
setupTypeDialog :: Dialog
setupTypeDialog = 
   -- Hack: ALLUSERS needs to be undefined in order
   -- to enable a per-user install. I've yet to be able
   -- to use the RadioButton table to clear a property,
   -- so instead an event is attached to the 'next' button
   -- which clears the property should it be set to zero.
   -- 
  addEvent ("Next", SetProperty "ALLUSERS" "{}", "(InstallKind = 0) AND (Version9x = \"\")", "1") $
  addEvent ("Next", SetProperty "ALLUSERS" "2",  "(InstallKind = 2) AND (Version9x = \"\")", "2") $
  mkChoiceDialog "SetupKindDialog" 
	 	 "Setup type"
	         "{\\VerdanaBold13}Select [ProductName] installation type"
		 "The [Wizard] will install [ProductName] on your computer. Please select who you want to install it for:"
		 [ ("Just for me", "0")
		 , ("Everyone",    "2")
		 ]
		 "InstallKind"
		 "WelcomeDlg"
		 "NOT Installed"
		 ("InstallKind", "2")

-- dialog for letting the user control the level of shell integration
-- to use (file extensions, start menu, desktop shortcuts.)
customizeDialog :: [(String, PropertyName, Bool)] -> Dialog
customizeDialog ls = 
   mkOptionsDialog "opts"
   		   "Customization options"
		   "{\\VerdanaBold13}[ProductName] customization options"
		   "Pick the shell integration features you want:"
		   ls
		   (map (\ (_,p,_) -> (p,"Yes")) ls)

mkOptionsDialog :: String
	        -> String
		-> String
		-> String
		-> [(String, PropertyName, Bool)]
		-> [(PropertyName, String)]
		-> Dialog
mkOptionsDialog diaNm diaHeader diaTitle diaDesc opts props
 = Dialog 
     { dia_name   = diaNm
     , dia_ctrls  = controls
     , dia_conds  = conditions
     , dia_events = events
     , dia_pos    = (50,50)
     , dia_size   = (370,270)
     , dia_attrs  = [DialogVisible, DialogModal]
     , dia_title  = diaHeader
     , dia_first  = "Next"
     , dia_def    = ""
     , dia_cancel = "cancelButton"
     , dia_after  = "CustomizeDlg"
     , dia_cond   = "1"
     , dia_props  = props
     }
  where
   controls
    = withButtons "Bitmap"
	[ Control "Title"  (Text "foo") Nothing
		  (135,20) (220,60)
	          diaTitle
		  [Transparent, NoPrefix, Enabled, Visible]
		  "" ""
        , Control "Description"  (Text "foo") Nothing
		  (135,70) (220,60)
		  diaDesc
		  [Transparent, NoPrefix, Enabled, Visible]
		  "" ""
        , Control "Bitmap" (Bitmap "bitmap") Nothing
      		  (0,0) (125,234)
		  "[DialogBitmap]" [Visible, FixedSize]
		  "Back" ""
	] ++ opt_controls
   opt_controls = 
      zipWith (\ (txt, prop, enabled) ypos -> 
 		   Control { ctrl_name  = "cbox"++show ypos -- to make it unique.
		   	   , ctrl_type  = CheckBox "Yes"
			   , ctrl_prop  = Just prop
			   , ctrl_pos   = (150,ypos)
			   , ctrl_size  = (200,30) -- max X: 260.
			   , ctrl_text  = txt
			   , ctrl_attrs = (if enabled then (Enabled:) else id)
			   			[Visible]
			   , ctrl_next  = ""
			   , ctrl_help  = ""
			   })
	       opts
	       [90, (90+30) ..]

   conditions = []
   events = [ ("cancelButton", EndDialog "Exit", "1", "1")
	   ]

mkChoiceDialog :: String -- dialog name
	       -> String -- dialog header
	       -> String -- title
	       -> String -- description
	       -> [(String, String)]
	       -> PropertyName
	       -> DialogName
	       -> String
	       -> (PropertyName, String)
	       -> Dialog
mkChoiceDialog diaNm diaHeader diaTitle diaDesc opts 
	       propName afterDiag afterDiagCond
	       (initProp, initVal)
 = Dialog { dia_name   = diaNm
 	  , dia_ctrls  = controls
	  , dia_conds  = conditions
	  , dia_events = events
	  , dia_pos    = (50,50)
	  , dia_size   = (370,270)
	  , dia_attrs  = [DialogVisible, DialogModal]
	  , dia_title  = diaHeader
	  , dia_first  = "Next"
	  , dia_def    = ""
	  , dia_cancel = "cancelButton"
	  , dia_after  = afterDiag
	  , dia_cond   = afterDiagCond
	  , dia_props  = [(initProp, initVal)]
	  }
  where
   controls
    = withButtons "Bitmap"
	[ Control "Title"  (Text "foo") Nothing
		  (125,20) (220,60)
	          diaTitle
		  [Transparent, NoPrefix, Enabled, Visible]
		  "" ""
        , Control "Description"  (Text "foo") Nothing
		  (125,70) (220,60)
		  diaDesc
		  [Transparent, NoPrefix, Enabled, Visible]
		  "" ""
        , Control "Bitmap" (Bitmap "bitmap") Nothing
      		  (0,0) (370,234)
		  "[DialogBitmap]" [Visible]
		  "Back" ""
        , Control "InstallKind"
      		  (RadioButtonGroup (map (\(txt,val) -> RadioButton txt val) opts))
		  (Just propName)
      		  (130,120) (180,40) ""
		  [{-Transparent,-}Enabled,Visible]
		  "" ""
        ]
   conditions = []
   events = [ ("cancelButton", EndDialog "Exit", "1", "1")
	   ]

addEvent ev d     = d{dia_events=ev:dia_events d}
addControl ctrl d = d{dia_ctrls=ctrl:dia_ctrls d}
addCond cond d    = d{dia_conds=cond:dia_conds d}

withButtons :: String -> [Control] -> [Control]
withButtons next ctrls = 
	ctrls ++ 
	[ Control "line"  (Line (100,2)) Nothing 
          	  (0,234) (374,0) "Line" [Visible] "" ""
        , Control "Back" (PushButton "Back") Nothing
      	          (180,243) (56,17)
    		  "[ButtonText_Back]" [Enabled,Visible] "Next" ""
        , Control "Next" (PushButton "Next") Nothing
      	          (236,243) (56,17)
    		  "[ButtonText_Next]" [Enabled,Visible] "cancelButton" ""
        , Control "cancelButton" (PushButton "Cancel") Nothing
      	        (304,243) (56,17)
    		"[ButtonText_Cancel]" [Enabled,Visible] next ""
        ]


{- Old test def:
dialog = Dialog "TestDialog"
		controls
		conditions
		events
		(50,50)  -- centered on the screen
		(370,270)
		[ DialogVisible
		, DialogModal
		]
		"Setup type dialog"
		"Next"
		""
		"cancelButton"
 where
  controls
    = withButtons "Bitmap"
	[ {-Control "pathSelect" PathEdit (Just "TARGETDIR") 
    		(10,10) (260,18)
    		"" [Enabled,Visible] "" "" -}
	Control "Title"  (Text "foo") Nothing
		(35,20) (220,60)
	        "{\\VerdanaBold13}Select [ProductName] installation type"
		[Transparent, NoPrefix, Enabled, Visible]
		"" ""
      ,	Control "Description"  (Text "foo") Nothing
		(35,70) (220,60)
		"The [Wizard] will install [ProductName] on your computer. Please select the installation kind you want:"
		[Transparent, NoPrefix, Enabled, Visible]
		"" ""
      , Control "Bitmap" (Bitmap "bitmap") Nothing
      		(0,0) (370,234)
		"[DialogBitmap]" [Visible]
		"Back" ""
      , Control "InstallKind"
      		(RadioButtonGroup [ RadioButton "User only" "0"
      				  , RadioButton "Machine wide" "2"
				  ])
		(Just "ALLUSERS")
      		(40,120) (180,40) ""
		[{-Transparent,-}Enabled,Visible]
		"" ""
      ]
  conditions = []

  events = [ -- ("okButton",     EndDialog "Return", "", "1")
  	    ("cancelButton", EndDialog "Exit", "", "1")
	   ]
-}