LoTROInterface SVN KragenBars

import "Turbine.UI";
import "Turbine.UI.Lotro";

SimpleWindow = class( Turbine.UI.Window );

function SimpleWindow:Constructor()
        Turbine.UI.Window.Constructor( self );

        self:SetFadeSpeed( 0.2 );
        self:SetOpacity( 1 );
end

function SimpleWindow:SetFadeSpeed( value )
        self.fadeSpeed = 1 / value;
end

function SimpleWindow:SetVisible( value )
        if ( value == true ) then
                Turbine.UI.Window.SetOpacity( self, 0 );
                Turbine.UI.Window.SetVisible( self, true );
                self:SetOpacity( self.realOpacity );
        else
                self.hideOnClose = true;

                local savedOpacity = self.realOpacity
                self:SetOpacity( 0 );
                self.realOpacity = savedOpacity
        end
end

function SimpleWindow:SetOpacity( value )
        self.realOpacity = value;
        self.currentTime = Turbine.Engine.GetGameTime();
        self.currentOpacity = Turbine.UI.Window.GetOpacity( self );
        self.targetOpacity = value;
  
        if ( self.targetOpacity ~= self.currentOpacity ) then
                self:SetWantsUpdates( true );
        end
end

function SimpleWindow:Update( sender, args )
        local newOpacity;

        local now = Turbine.Engine.GetGameTime();
        local delta = now - self.currentTime;
        self.currentTime = now;

        delta = delta * self.fadeSpeed;

        if ( self.currentOpacity < self.targetOpacity ) then
                newOpacity = self.currentOpacity + delta;

                if ( newOpacity > self.targetOpacity ) then
                        self:SetWantsUpdates( false )
                        newOpacity = self.targetOpacity
                end
        else
                newOpacity = self.currentOpacity - delta;

                if ( newOpacity < self.targetOpacity ) then
                        self:SetWantsUpdates( false )
                        newOpacity = self.targetOpacity
                        
                        if ( self.hideOnClose ) then
                                Turbine.UI.Window.SetVisible( self, false );
                                self.hideOnClose = false
                        end
                end
        end

        self.currentOpacity = newOpacity;
        Turbine.UI.Window.SetOpacity( self, newOpacity );
end