XInterface.GUIImageList

// GUIImageList is simply a GUIImage that has its current image selected from an array
// It rotates using mouse wheel/arrow keys

class GUIImageList extends GUIImage;
//	Native;

var() editinline array<string> MatNames;
var() array<Material> Materials;
var() editconst int CurIndex;
var() bool bWrap;

function InitComponent(GUIController MyController, GUIComponent MyOwner)
{
    Super.Initcomponent(MyController, MyOwner);
    OnKeyEvent=internalKeyEvent;
}

function AddMaterial(string MatName, out Material Mat)
{
local int i;

    if (Mat != None)
    {
        i = Materials.Length;
        Materials[i]=Mat;
        MatNames[i]=MatName;
    }
}

function string GetCurMatName()
{
    if (CurIndex >= 0 && CurIndex < Materials.Length)
        return MatNames[CurIndex];

    return "";
}

function SetIndex(int index)
{
    if (index >= 0 && index < Materials.Length)
    {
        CurIndex = index;
        Image = Materials[index];
    }
    else
    {
        Image = None;
        CurIndex = -1;
    }
}

function bool internalKeyEvent(out byte Key, out byte State, float delta)
{
    if ( State != 3 )
        return false;

    switch ( Key )
    {
    case 0x25:  // Up/Left/MouseWheelUp
    case 0x26:
    case 0x64:
    case 0x68:
    case 0xEC:
        PrevImage();
        return true;

    case 0x27:  // Down/Right/MouseWheelDn
    case 0x28:
    case 0x62:
    case 0x66:
    case 0xED:
        NextImage();
        return true;


    case 0x24:  // Home
    case 0x67:
        FirstImage();
        return true;

    case 0x23:  // End
    case 0x61:
        LastImage();
        return true;
    }

    return false;
}

function PrevImage()
{
    if (CurIndex < 1)
    {
        if (bWrap)
            SetIndex(Materials.Length - 1);
    }
    else
        SetIndex(CurIndex - 1);
}

function NextImage()
{
    if (CurIndex < 0)
        SetIndex(0);
    else if ((CurIndex + 1) >= Materials.Length)
    {
        if (bWrap)
            SetIndex(0);
    }
    else
        SetIndex(CurIndex + 1);
}

function FirstImage()
{
    if (Materials.Length > 0)
        SetIndex(0);
}

function LastImage()
{
    if (Materials.Length > 0)
        SetIndex(Materials.Length - 1);
}

defaultproperties
{
     StyleName="NoBackground"
     bTabStop=True
     bAcceptsInput=True
     bCaptureMouse=True
}