GUI
Class GUIImageList

Core.Object
   |
   +--GUI.GUI
      |
      +--GUI.GUIComponent
         |
         +--GUI.GUIImage
            |
            +--GUI.GUIImageList

00001	// ====================================================================
00002	//  (c) 2002, Epic Games, Inc.  All Rights Reserved
00003	// ====================================================================
00004	
00005	class GUIImageList extends GUIImage;
00006	//	Native;
00007	
00008	var array<string> MatNames;
00009	var array<Material> Materials;
00010	var int CurIndex;
00011	var bool bWrap;
00012	
00013	function InitComponent(GUIController MyController, GUIComponent MyOwner)
00014	{
00015		Super.Initcomponent(MyController, MyOwner);
00016		OnKeyEvent=internalKeyEvent;
00017	}
00018	
00019	function AddMaterial(string MatName, out Material Mat)
00020	{
00021	local int i;
00022	
00023		if (Mat != None)
00024		{
00025			i = Materials.Length;
00026			Materials[i]=Mat;
00027			MatNames[i]=MatName;
00028		}
00029	}
00030	
00031	function string GetCurMatName()
00032	{
00033		if (CurIndex >= 0 && CurIndex < Materials.Length)
00034			return MatNames[CurIndex];
00035	
00036		return "";
00037	}
00038	
00039	function SetIndex(int index)
00040	{
00041		if (index >= 0 && index < Materials.Length)
00042		{
00043			CurIndex = index;
00044			Image = Materials[index];
00045		}
00046		else
00047		{
00048			Image = None;
00049			CurIndex = -1;
00050		}
00051	}
00052	
00053	function bool internalKeyEvent(out byte Key, out byte State, float delta)
00054	{
00055		if ( ((Key==0x26 || Key==0x68 || Key==0x25 || Key==0x64) && (State==1)) || (key==0xEC && State==3) )	// Up/Left/MouseWheelUp
00056		{
00057			PrevImage();
00058			return true;
00059		}
00060		
00061		if ( ((Key==0x28 || Key==0x62 || Key==0x27 || Key==0x66) && (State==1)) || (key==0xED && State==3) )  // Down/Right/MouseWheelDn
00062		{
00063			NextImage();
00064			return true;
00065		}
00066		
00067		if ( (Key==0x24 || Key==0x67) && (State==1) ) // Home
00068		{
00069			FirstImage();
00070			return true;
00071		}
00072		
00073		if ( (Key==0x23 || Key==0x61) && (State==1) ) // End
00074		{
00075			LastImage();
00076			return true;
00077		}
00078	
00079		return false;
00080	}
00081	
00082	function PrevImage()
00083	{
00084		if (CurIndex < 1)
00085		{
00086			if (bWrap)
00087				SetIndex(Materials.Length - 1);
00088		}
00089		else
00090			SetIndex(CurIndex - 1);
00091	}
00092	
00093	function NextImage()
00094	{
00095		if (CurIndex < 0)
00096			SetIndex(0);
00097		else if ((CurIndex + 1) >= Materials.Length)
00098		{
00099			if (bWrap)
00100				SetIndex(0);
00101		}
00102		else
00103			SetIndex(CurIndex + 1);
00104	}
00105	
00106	function FirstImage()
00107	{
00108		if (Materials.Length > 0)
00109			SetIndex(0);
00110	}
00111	
00112	function LastImage()
00113	{
00114		if (Materials.Length > 0)
00115			SetIndex(Materials.Length - 1);
00116	}
00117	
00118	
00119	
00120	defaultproperties
00121	{
00122	     bAcceptsInput=True
00123	     bCaptureMouse=True
00124	     bTabStop=True
00125	}