LoTROInterface - Saving window position

LoTROInterface (https://www.lotrointerface.com/forums/index.php)

- Lua Programming Help (L) (https://www.lotrointerface.com/forums/forumdisplay.php?f=50)

- - Saving window position (https://www.lotrointerface.com/forums/showthread.php?t=1089)

Wow, thanks. The only thing left is where to put;

Code:

Turbine.PluginData.Save( Turbine.DataScope.Character, "Satchel", Data );

I know it goes in here somewhere;

Code:

        self.PositionChanged=function(sender,args)

                Data.x,Data.y=self:GetPosition()

        end

..and thanks for the help everyone, its much appreciated.

I'm going to help you cheat a bit here - but only because the original code that this was based off of was given to me by Pengoros

put this in your Main.lua script:

Code:

pluginName="myPluginsName";

window = Turbine.UI.Window();

window:SetWantsUpdates(true);

window.Update = function(sender,args)

        if (Plugins[pluginName] ~= nil) then

                Plugins[pluginName].Unload = function(self,sender,args)

                        UnloadPlugin();

                end

                window:SetWantsUpdates(false);

        end

end

This will call a function called "UnloadPlugin()" when the plugin is being unloaded. This function would be a great place to put that PluginData.Save() line.

Thanks for all of the help. I did what you said and its not giving me an error but it isn't working either.

The end goal is that you could drag the window where ever you want it and when you start the game back up later it remembers its position. I really thought this would be as easy an writing to a file when you stopped dragging the window, but its definitely been an all day project trying to get this to work.

I believe that my problem now is simply getting the plugin to save the lwindows location data. Everything else seems to be working fine.

Here is the main.lua I have thus far.

Code:

import "Turbine.UI";

import "Turbine.UI.Lotro";

import "Turbine.Debug";



import "Olenn.Satchel";



satchelWindow = Olenn.Satchel.SatchelWindow();

satchelWindow:SetVisible( true );



settingsWindow = Olenn.Satchel.SettingsWindow();

settingsWindow:SetVisible( true );



Turbine.UI.Lotro.LotroUI.SetEnabled( Turbine.UI.Lotro.LotroUIElement.Backpack1, false );

Turbine.UI.Lotro.LotroUI.SetEnabled( Turbine.UI.Lotro.LotroUIElement.Backpack2, false );

Turbine.UI.Lotro.LotroUI.SetEnabled( Turbine.UI.Lotro.LotroUIElement.Backpack3, false );

Turbine.UI.Lotro.LotroUI.SetEnabled( Turbine.UI.Lotro.LotroUIElement.Backpack4, false );

Turbine.UI.Lotro.LotroUI.SetEnabled( Turbine.UI.Lotro.LotroUIElement.Backpack5, false );



satchelCommand = Turbine.ShellCommand();



function satchelCommand:Execute(cmd, args)

        if ( args == "show" ) then

                SatchelWindow:SetVisible( true );

        elseif ( args == "hide" ) then

                SatchelWindow:SetVisible( false );

        elseif ( args == "toggle" ) then

                SatchelWindow:SetVisible( not SatchelWindow:IsVisible() );

        elseif ( args ~= nil ) then

                satchelCommand:GetHelp();

        end

        

        pluginName="Satchel";

        window = Turbine.UI.Window();

        window:SetWantsUpdates(true);

        window.Update = function(sender,args)

        if (Plugins[pluginName] ~= nil) then

                Plugins[pluginName].Unload = function(self,sender,args)

                        UnloadPlugin();

                        Turbine.PluginData.Save( Turbine.DataScope.Character, "Satchel", Data );

                end

                window:SetWantsUpdates(false);

        end

end

end





function satchelCommand:GetHelp()

        Turbine.Shell.WriteLine( "------------Satchel Commands------------");

        Turbine.Shell.WriteLine( "/satchel show: Display Satchel Window");

        Turbine.Shell.WriteLine( "/satchel hide: Hide Satchel Window");

        Turbine.Shell.WriteLine( "/satchel toggle: Toggle Satchel Window");

end



Turbine.Shell.AddCommand( "satchel", satchelCommand );

I don't know if you did as Digitial Utopia suggested and declared Data in your satchel class as self.Data (since you only posted your main and didnt repost your Satchel class). But if you did, then when saving your data variable from your main you may need to go

Code:

Turbine.PluginData.Save( Turbine.DataScope.Character, "Satchel", SatchelWindow.Data );

Alternatively you could also put the save line in the code where you write the position to data

Code:

----SAVE WINDOW POSITION----

        self.PositionChanged=function(sender,args)

                self.Data.x,self.Data.y=self:GetPosition()

                Turbine.PluginData.Save( Turbine.DataScope.Character, "Satchel", self.Data );

        end

I haven't played with the unload code Digital Utopia posted, but I am going to take a guess that maybe your call to save needs to come before UnloadPlugin(); Just a guess tho

Code:

Plugins[pluginName].Unload = function(self,sender,args)

      Turbine.PluginData.Save( Turbine.DataScope.Character, "Satchel", SatchelWindow.Data );                        

      UnloadPlugin();

end

Also I noticed in your class code you posted earlier you also allow changing of size, which means you might want to save the size as well.

You guys are awesome, but I think I am starting to get all of your advice mixed up. I am going to post both Lua scripts and see what you think. I am getting an error;

attempt to index Data a nil value

main.lua

Code:





import "Turbine.UI";

import "Turbine.UI.Lotro";

import "Turbine.Debug";



import "Olenn.Satchel";



satchelWindow = Olenn.Satchel.SatchelWindow();

satchelWindow:SetVisible( true );



settingsWindow = Olenn.Satchel.SettingsWindow();

settingsWindow:SetVisible( false );



Turbine.UI.Lotro.LotroUI.SetEnabled( Turbine.UI.Lotro.LotroUIElement.Backpack1, false );

Turbine.UI.Lotro.LotroUI.SetEnabled( Turbine.UI.Lotro.LotroUIElement.Backpack2, false );

Turbine.UI.Lotro.LotroUI.SetEnabled( Turbine.UI.Lotro.LotroUIElement.Backpack3, false );

Turbine.UI.Lotro.LotroUI.SetEnabled( Turbine.UI.Lotro.LotroUIElement.Backpack4, false );

Turbine.UI.Lotro.LotroUI.SetEnabled( Turbine.UI.Lotro.LotroUIElement.Backpack5, false );



satchelCommand = Turbine.ShellCommand();



function satchelCommand:Execute(cmd, args)

        if ( args == "show" ) then

                SatchelWindow:SetVisible( true );

        elseif ( args == "hide" ) then

                SatchelWindow:SetVisible( false );

        elseif ( args == "toggle" ) then

                SatchelWindow:SetVisible( not SatchelWindow:IsVisible() );

        elseif ( args ~= nil ) then

                satchelCommand:GetHelp();

        end

        

        pluginName="Satchel";

        window = Turbine.UI.Window();

        window:SetWantsUpdates(true);

        window.Update = function(sender,args)

        if (Plugins[pluginName] ~= nil) then

                Plugins[pluginName].Unload = function(self,sender,args)

                        UnloadPlugin();

                        Turbine.PluginData.Save( Turbine.DataScope.Character, "Satchel", Data );

                end

                window:SetWantsUpdates(false);

        end

end

end









function satchelCommand:GetHelp()

        Turbine.Shell.WriteLine( "------------Satchel Commands------------");

        Turbine.Shell.WriteLine( "/satchel show: Display Satchel Window");

        Turbine.Shell.WriteLine( "/satchel hide: Hide Satchel Window");

        Turbine.Shell.WriteLine( "/satchel toggle: Toggle Satchel Window");

end



Turbine.Shell.AddCommand( "satchel", satchelCommand );

SatchelWindow.lua

Code:



import "Turbine";

import "Turbine.Gameplay";

import "Turbine.UI";

import "Turbine.UI.Extensions";

import "Turbine.UI.Lotro";

import "Turbine.Utils";

import "Olenn.Satchel"



SatchelWindow = class( Turbine.UI.Window );



function SatchelWindow:Constructor()

----CREATE THE WINDOW----

        Turbine.UI.Lotro.Window.Constructor( self );

        self:SetText("Satchel");

        self:SetSize( 325, 300 );

----LOAD PRIOR POSITION----

        self.Data = Turbine.PluginData.Load( Turbine.DataScope.Character,  "SatchelData")

    if (self.Data==nil)then 

                self:SetPosition(100 , 100);

    else

                self:SetPosition(self.Data.x,self.Data.y)

    end

----SAVE CURENT POSITION WHEN MOVED---

        self.PositionChanged=function(sender,args)

                self.Data.x,self.Data.y=self:GetPosition()

                Turbine.PluginData.Save( Turbine.DataScope.Character, "Satchel", self.Data );

        end

----SATCHEL CLOSES WHEN ESC IS PRESSED----

        self:SetWantsKeyEvents( true );

        self.KeyDown = function( sender, args )

                if ( args.Action == Turbine.UI.Lotro.Action.Escape ) then

                        sender:SetVisible( false ) 

                end

                

----MAKE BAG BUTTONS ON THE TOOLBAR OPEN SATCHEL----

                if ( args.Action == Turbine.UI.Lotro.Action.ToggleBags or

                    args.Action == Turbine.UI.Lotro.Action.ToggleBag1 or

                        args.Action == Turbine.UI.Lotro.Action.ToggleBag2 or

                        args.Action == Turbine.UI.Lotro.Action.ToggleBag3 or

                        args.Action == Turbine.UI.Lotro.Action.ToggleBag4 or

                        args.Action == Turbine.UI.Lotro.Action.ToggleBag5 )

                then

                        sender:SetVisible( not sender:IsVisible() ) 

                end

        end

        

        local satchel = self;

        local mainWindow = self;

        

        self.itemListBoxScrollBar = Turbine.UI.Lotro.ScrollBar();

        self.itemListBoxScrollBar:SetOrientation( Turbine.UI.Orientation.Vertical );

        self.itemListBoxScrollBar:SetParent( self );



        self.itemListBox = Turbine.UI.ListBox();

        self.itemListBox:SetParent( self );

        self.itemListBox:SetOrientation( Turbine.UI.Orientation.Horizontal );

        self.itemListBox:SetVerticalScrollBar( self.itemListBoxScrollBar );

        self.itemListBox:SetAllowDrop( true );

        

        self.itemListBox.DragDrop = function( sender, args )

                local shortcut = args.DragDropInfo:GetShortcut();

                if ( shortcut ~= nil ) then

                  local destinationItemControl = self.itemListBox:GetItemAt( args.X, args.Y );

                  local destinationIndex = self.itemListBox:IndexOfItem( destinationItemControl );

                  self.backpack:PerformShortcutDrop( shortcut, destinationIndex, Turbine.UI.Control.IsShiftKeyDown() );

                end

        end

----MAKE WINDOW RESIZABLE----

        self.resizeHandle = Turbine.UI.Control();

        self.resizeHandle:SetParent( self );

        self.resizeHandle:SetZOrder( 100 );

        self.resizeHandle:SetSize( 20, 20 );

        self.resizeHandle:SetPosition( self:GetWidth() - self.resizeHandle:GetWidth(), self:GetHeight() - self.resizeHandle:GetHeight() );



        self.resizeHandle.MouseDown = function( sender, args )

                sender.dragStartX = args.X;

                sender.dragStartY = args.Y;

                sender.dragging = true;

        end



        self.resizeHandle.MouseMove = function( sender, args )

                local width, height = mainWindow:GetSize();



                if ( sender.dragging ) then

                        mainWindow:SetSize( width + ( args.X - sender.dragStartX ), height + ( args.Y - sender.dragStartY ) );

                        sender:SetPosition( mainWindow:GetWidth() - sender:GetWidth(), mainWindow:GetHeight() - sender:GetHeight() )

                        satchel:PerformLayout()

                end

        end



        self.resizeHandle.MouseUp = function( sender, args )

                sender.dragging = false;

        end

----CREATE CONAINER FOR ITEMS----

        self.items = { };



        local player = Turbine.Gameplay.LocalPlayer();

        self.backpack = player:GetBackpack();



        self.backpack.SizeChanged = function( sender, args )

                satchel:Refresh();

        end



        self.backpack.ItemAdded = function( sender, args )

                satchel.items[args.Index]:SetItem( satchel.backpack:GetItem( args.Index ) );

        end



        self.backpack.ItemRemoved = function( sender, args )

                satchel.items[args.Index]:SetItem( satchel.backpack:GetItem( args.Index ) );

        end



        self.backpack.ItemMoved = function( sender, args )

                satchel.items[args.OldIndex]:SetItem( satchel.backpack:GetItem( args.OldIndex ) );

                satchel.items[args.NewIndex]:SetItem( satchel.backpack:GetItem( args.NewIndex ) );

        end



        self:Refresh();

        

----CREATE SETTINGS BUTTON----

        self.settingsButton = Turbine.UI.Lotro.Button();

        self.settingsButton:SetParent( self );



        self.settingsButton:SetSize(70,30);

        self.settingsButton:SetPosition(34, 37);

        self.settingsButton:SetFont(Turbine.UI.Lotro.Font.Verdana14);

        self.settingsButton:SetText("Settings");        

        self.settingsButton.Click = function(sender, args)

                settingsWindow:SetVisible( not SettingsWindow:IsVisible() );

        end

        

end



----FUNCTION TO REFRESH BAG CONTENTS----

function SatchelWindow:Refresh()

        local backpackSize = self.backpack:GetSize();



        for i = 1, backpackSize, 1 do

                if ( self.items[i] ) then

                        self.items[i]:SetParent( nil );

                end

                

                self.items[i] = Turbine.UI.Lotro.ItemControl( self.backpack:GetItem( i ) );

                self.itemListBox:AddItem( self.items[i] );

        end



        self:PerformLayout();

end



function SatchelWindow:PerformLayout()

        self:Layout( { } )

end



function SatchelWindow:Layout( args )

        local width, height = self:GetSize();

        

        local itemWidth = 40;

        

        if ( self.items[1] ~= nil ) then

                itemWidth = self.items[1]:GetWidth()

        end



        local listWidth = width - 40;

        local listHeight = height - 75;

        local itemsPerRow = listWidth / itemWidth;



        self.itemListBox:SetPosition( 15, 60 );

        self.itemListBox:SetSize( listWidth, listHeight );

        self.itemListBox:SetMaxItemsPerLine( itemsPerRow );

        

        self.itemListBoxScrollBar:SetPosition( width - 25, 55 );

        self.itemListBoxScrollBar:SetSize( 10, listHeight );



end

Thanks for all of you help guys!

I have attached the plugin in its current state for Lua help only, it is not advised for use by the common user.

Quote:

Originally Posted by Olenn (Post 4920)

I see 2 potential problems, did the error mention what line was causing the issue? Off the top of my head the issue could be:

Here:

Code:

if (Plugins[pluginName] ~= nil) then

                Plugins[pluginName].Unload = function(self,sender,args)

                        UnloadPlugin();

                        Turbine.PluginData.Save( Turbine.DataScope.Character, "Satchel", Data );

                end

                window:SetWantsUpdates(false);

        end

When referencing your Data variable from outside of the class you shoud be doing so via SatchelWindow.Data

Code:

Turbine.PluginData.Save( Turbine.DataScope.Character, "Satchel", SatchelWindow.Data );

or the issue could possibly be here:

Code:

----SAVE CURENT POSITION WHEN MOVED---

        self.PositionChanged=function(sender,args)

                self.Data.x,self.Data.y=self:GetPosition()

                Turbine.PluginData.Save( Turbine.DataScope.Character, "Satchel", self.Data );

You haven't declared data as a table. Not sure if that would make a difference or not (I am fairly new to lua). But you could try:

Code:

----LOAD PRIOR POSITION----

        self.Data = Turbine.PluginData.Load( Turbine.DataScope.Character,  "SatchelData")

    if (self.Data==nil)then

                self.Data = { };

                self.Data.x = 100;

                self.Data.y = 100;

                self:SetPosition(100 , 100);



    else

                self:SetPosition(self.Data.x,self.Data.y)

    end

Like I said, im fairly new to LUA so there may be a better place to declare Data as a table. But I am guessing the issue is because when first load it self.Data never gets declared as a table, so you get an error when you try to write to self.Data.x and self.Data.y.

AWESOME!

That gives me tons to work with. It is now saving the position to the file, but when I click reload it still resets it to 100 x 100.

But at least I have something to work for.

Much appreciated everyone!

Quote:

Originally Posted by Olenn (Post 4925)

Thats fantastic. I have a feeling PositionChanged is not firing. You could try getting rid of

Code:

----SAVE CURENT POSITION WHEN MOVED---

        self.PositionChanged=function(sender,args)

                self.Data.x,self.Data.y=self:GetPosition()

                Turbine.PluginData.Save( Turbine.DataScope.Character, "Satchel", self.Data );

        end

and then do this in your MouseUp Handler instead

Code:

self.resizeHandle.MouseUp = function( sender, args )

              if (sender.dragging) then

                    self.Data.x,self.Data.y=self:GetPosition();

              end        

              sender.dragging = false;

        end

That way you will be writing the new position to Data whenever the user releases the mouse after dragging, and saving the position to the settings file on unload.

I tried to put that in place of

Code:



        self.PositionChanged=function(sender,args)

                self.Data.x,self.Data.y=self:GetPosition()

                Turbine.PluginData.Save( Turbine.DataScope.Character, "Satchel", self.Data );

        end

but I keep getting this error;

...Rings Online\Plugins\Olenn\Satchel\SatchelWindow.lua:33: attempt to index field 'resizeHandle' (a nil value)

the odd part is that line 33 is just "end"

Quote:

Originally Posted by Olenn (Post 4928)

I tried to put that in place of

Code:



        self.PositionChanged=function(sender,args)

                self.Data.x,self.Data.y=self:GetPosition()

                Turbine.PluginData.Save( Turbine.DataScope.Character, "Satchel", self.Data );

        end

but I keep getting this error;

...Rings Online\Plugins\Olenn\Satchel\SatchelWindow.lua:33: attempt to index field 'resizeHandle' (a nil value)

the odd part is that line 33 is just "end"

Yeah you shouldn't be replacing the self.PositionChanged part with the self.resizeHandle.MouseUp function. All you need to do is completlely remove the self.PositionChanged function. Then change your already existing self.resizeHandle.MouseUp by adding the line to set Data.x and Data.y. Here is the whole class with the change.

Code:

import "Turbine";

import "Turbine.Gameplay";

import "Turbine.UI";

import "Turbine.UI.Extensions";

import "Turbine.UI.Lotro";

import "Turbine.Utils";

import "Olenn.Satchel"



SatchelWindow = class( Turbine.UI.Window );



function SatchelWindow:Constructor()

----CREATE THE WINDOW----

        Turbine.UI.Lotro.Window.Constructor( self );

        self:SetText("Satchel");

        self:SetSize( 325, 300 );

----LOAD PRIOR POSITION----

        self.Data = Turbine.PluginData.Load( Turbine.DataScope.Character,  "SatchelData")

    if (self.Data==nil)then

                self.Data = { };

                self.Data.x = 100;

                self.Data.y = 100;

                self:SetPosition(100 , 100);

    else

                self:SetPosition(self.Data.x,self.Data.y)

    end



----SATCHEL CLOSES WHEN ESC IS PRESSED----

        self:SetWantsKeyEvents( true );

        self.KeyDown = function( sender, args )

                if ( args.Action == Turbine.UI.Lotro.Action.Escape ) then

                        sender:SetVisible( false ) 

                end

                

----MAKE BAG BUTTONS ON THE TOOLBAR OPEN SATCHEL----

                if ( args.Action == Turbine.UI.Lotro.Action.ToggleBags or

                    args.Action == Turbine.UI.Lotro.Action.ToggleBag1 or

                        args.Action == Turbine.UI.Lotro.Action.ToggleBag2 or

                        args.Action == Turbine.UI.Lotro.Action.ToggleBag3 or

                        args.Action == Turbine.UI.Lotro.Action.ToggleBag4 or

                        args.Action == Turbine.UI.Lotro.Action.ToggleBag5 )

                then

                        sender:SetVisible( not sender:IsVisible() ) 

                end

        end

        

        local satchel = self;

        local mainWindow = self;

        

        self.itemListBoxScrollBar = Turbine.UI.Lotro.ScrollBar();

        self.itemListBoxScrollBar:SetOrientation( Turbine.UI.Orientation.Vertical );

        self.itemListBoxScrollBar:SetParent( self );



        self.itemListBox = Turbine.UI.ListBox();

        self.itemListBox:SetParent( self );

        self.itemListBox:SetOrientation( Turbine.UI.Orientation.Horizontal );

        self.itemListBox:SetVerticalScrollBar( self.itemListBoxScrollBar );

        self.itemListBox:SetAllowDrop( true );

        

        self.itemListBox.DragDrop = function( sender, args )

                local shortcut = args.DragDropInfo:GetShortcut();

                if ( shortcut ~= nil ) then

                  local destinationItemControl = self.itemListBox:GetItemAt( args.X, args.Y );

                  local destinationIndex = self.itemListBox:IndexOfItem( destinationItemControl );

                  self.backpack:PerformShortcutDrop( shortcut, destinationIndex, Turbine.UI.Control.IsShiftKeyDown() );

                end

        end

----MAKE WINDOW RESIZABLE----

        self.resizeHandle = Turbine.UI.Control();

        self.resizeHandle:SetParent( self );

        self.resizeHandle:SetZOrder( 100 );

        self.resizeHandle:SetSize( 20, 20 );

        self.resizeHandle:SetPosition( self:GetWidth() - self.resizeHandle:GetWidth(), self:GetHeight() - self.resizeHandle:GetHeight() );



        self.resizeHandle.MouseDown = function( sender, args )

                sender.dragStartX = args.X;

                sender.dragStartY = args.Y;

                sender.dragging = true;

        end



        self.resizeHandle.MouseMove = function( sender, args )

                local width, height = mainWindow:GetSize();



                if ( sender.dragging ) then

                        mainWindow:SetSize( width + ( args.X - sender.dragStartX ), height + ( args.Y - sender.dragStartY ) );

                        sender:SetPosition( mainWindow:GetWidth() - sender:GetWidth(), mainWindow:GetHeight() - sender:GetHeight() )

                        satchel:PerformLayout()

                end

        end



        self.resizeHandle.MouseUp = function( sender, args )

                if (sender.dragging) then

                        self.Data.x, self.Data.y = self:GetPosition();

                end

                sender.dragging = false;

        end

----CREATE CONAINER FOR ITEMS----

        self.items = { };



        local player = Turbine.Gameplay.LocalPlayer();

        self.backpack = player:GetBackpack();



        self.backpack.SizeChanged = function( sender, args )

                satchel:Refresh();

        end



        self.backpack.ItemAdded = function( sender, args )

                satchel.items[args.Index]:SetItem( satchel.backpack:GetItem( args.Index ) );

        end



        self.backpack.ItemRemoved = function( sender, args )

                satchel.items[args.Index]:SetItem( satchel.backpack:GetItem( args.Index ) );

        end



        self.backpack.ItemMoved = function( sender, args )

                satchel.items[args.OldIndex]:SetItem( satchel.backpack:GetItem( args.OldIndex ) );

                satchel.items[args.NewIndex]:SetItem( satchel.backpack:GetItem( args.NewIndex ) );

        end



        self:Refresh();

        

----CREATE SETTINGS BUTTON----

        self.settingsButton = Turbine.UI.Lotro.Button();

        self.settingsButton:SetParent( self );



        self.settingsButton:SetSize(70,30);

        self.settingsButton:SetPosition(34, 37);

        self.settingsButton:SetFont(Turbine.UI.Lotro.Font.Verdana14);

        self.settingsButton:SetText("Settings");        

        self.settingsButton.Click = function(sender, args)

                settingsWindow:SetVisible( not SettingsWindow:IsVisible() );

        end

        

end



----FUNCTION TO REFRESH BAG CONTENTS----

function SatchelWindow:Refresh()

        local backpackSize = self.backpack:GetSize();



        for i = 1, backpackSize, 1 do

                if ( self.items[i] ) then

                        self.items[i]:SetParent( nil );

                end

                

                self.items[i] = Turbine.UI.Lotro.ItemControl( self.backpack:GetItem( i ) );

                self.itemListBox:AddItem( self.items[i] );

        end



        self:PerformLayout();

end



function SatchelWindow:PerformLayout()

        self:Layout( { } )

end



function SatchelWindow:Layout( args )

        local width, height = self:GetSize();

        

        local itemWidth = 40;

        

        if ( self.items[1] ~= nil ) then

                itemWidth = self.items[1]:GetWidth()

        end



        local listWidth = width - 40;

        local listHeight = height - 75;

        local itemsPerRow = listWidth / itemWidth;



        self.itemListBox:SetPosition( 15, 60 );

        self.itemListBox:SetSize( listWidth, listHeight );

        self.itemListBox:SetMaxItemsPerLine( itemsPerRow );

        

        self.itemListBoxScrollBar:SetPosition( width - 25, 55 );

        self.itemListBoxScrollBar:SetSize( 10, listHeight );



end

This should work unless I'm totally misunderstanding your code or what you are trying to do with it.