GUI2K4.ID3TagEditor

//==============================================================================
//	Created on: 10/21/2003
//	A small menu for viewing/editing ID3 v1/v2 tags
//
//	Written by Ron Prestenback
//	© 2003, Epic Games, Inc.  All Rights Reserved
//==============================================================================
class ID3TagEditor extends FloatingWindow;

var automated GUIPanel  p_Main;

var StreamInterface   FileManager;
var StreamInteraction Handler;

var GUIMultiOptionListBox  lb_Fields;
var GUIMultiOptionList     li_Fields;
var array<AnimatedEditbox> ed_Fields;

var string FileName;
var Stream Stream;
var StreamTag ID3Tag;

var localized string EditBoxHint;

function InitComponent( GUIController MyController, GUIComponent MyOwner )
{
    Super.InitComponent(MyController, MyOwner);
    p_Main.OnCreateComponent = InternalOnCreateComponent;
    p_Main.AppendComponent(lb_Fields);

    li_Fields = lb_Fields.List;
    li_Fields.OnCreateComponent = ListCreateComponent;
    li_Fields.bDrawSelectionBorder = False;

    SetFileManager();
}

event Closed(GUIComponent Sender, bool bCancelled )
{
    Super.Closed(Sender, bCancelled);

    Stream.SaveID3Tag();
}

function bool SetFileManager()
{
    if ( FileManager != None )
    {
        if ( Handler == None && !SetHandler() )
            return false;

        return true;
    }

    if ( Handler == None && !SetHandler() )
        return false;

    FileManager = Handler.FileManager;
    return FileManager != None;
}

function bool SetHandler()
{
    local int i;

    if ( Controller == None || Controller.ViewportOwner == None )
        return false;

    for ( i = 0; i < Controller.ViewportOwner.LocalInteractions.Length; i++ )
    {
        if ( StreamInteraction(Controller.ViewportOwner.LocalInteractions[i]) != None )
        {
            Handler = StreamInteraction(Controller.ViewportOwner.LocalInteractions[i]);
            return true;
        }
    }


    log("StreamPlayer.SetHandler() - no StreamInteractions found!",'MusicPlayer');
    return false;
}

function HandleObject( Object Obj, optional Object OptionalObject_1, optional Object OptionalObj_2 )
{
    // REMOVE ME
    Assert(FileName != "");

    if ( Obj != None )
        Stream = Stream(Obj);

    if ( Stream == None )
        Stream = FileManager.CreateStream(FileName);

    if ( Stream != None )
        ID3Tag = Stream.GetTag();

    ReadTag();
}

function HandleParameters( string ParamA, string ParamB )
{
    Filename = ParamA;
}

function InternalOnChange(GUIComponent Sender)
{
    local int i, idx;
    local GUIMenuOption mo;

//	log(Name@"InternalOnChange Sender:"$Sender);
    if ( GUIMultiOptionList(Sender) != None )
    {
        mo = li_Fields.Get();
        if ( mo == None )
        {
            warn("mo was None"); // FIXME
            return;
        }
        idx = FindFieldIndex( mo.Caption );
        if ( i != -1 )
            ID3Tag.Fields[i].FieldValue = mo.GetComponentValue();
    }
}

function int FindFieldIndex( string Caption )
{
    local int i;

    for ( i = 0; i < ID3Tag.Fields.Length; i++ )
    {
        if ( ID3Tag.Fields[i].FieldName == Caption )
            return i;
    }

    return -1;
}

function ReadTag()
{
    local int i;
    local AnimatedEditBox box;

    if ( ID3Tag == None )
        return;

    for ( i = 0; i < ID3Tag.Fields.Length; i++ )
    {
        box = AnimatedEditBox( li_Fields.AddItem("GUI2K4.AnimatedEditBox", None, ID3Tag.Fields[i].FieldName) );
        box.SetComponentValue( ID3Tag.Fields[i].FieldValue, True );
    }
}
/*
function InternalOnCreateComponent( GUIComponent NewComp, GUIComponent Sender )
{
    if ( GUILabel(NewComp) != None )
    {
        NewComp.StyleName = "TextLabel";
        NewComp.bScaleToParent=True;
        NewComp.bBoundToParent=True;
        NewComp.ScalingType=SCALE_X;
    }

    if ( AnimatedEditBox(NewComp) != None )
    {
        NewComp.OnChange = InternalOnChange;
        AnimatedEditBox(NewComp).LabelStyleName = "TextLabel";
        NewComp.Hint = EditBoxHint;
        NewComp.bScaleToParent=True;
        NewComp.bBoundToParent=True;
        NewComp.ScalingType=SCALE_X;
    }

}
*/

function SetPanelPosition(Canvas C)
{
    local float AT;

    AT = t_WindowTitle.ActualTop() + t_WindowTitle.ActualHeight() + 2;
    p_Main.WinTop = p_Main.RelativeTop( AT );
    p_Main.WinHeight = p_Main.RelativeHeight( (Bounds[3] - ActualHeight(0.015)) - AT );
}

function ListCreateComponent(GUIMenuOption NewComp, GUIMultiOptionList Sender)
{
    NewComp.bAutoSizeCaption = False;
}

defaultproperties
{
     Begin Object Class=GUIPanel Name=MainPanel
         WinTop=0.091595
         WinLeft=0.011250
         WinWidth=0.978750
         WinHeight=0.896250
         RenderWeight=0.200000
     End Object
     p_Main=GUIPanel'GUI2K4.ID3TagEditor.MainPanel'

     Begin Object Class=GUIMultiOptionListBox Name=FieldList
         bVisibleWhenEmpty=True
         OnCreateComponent=FieldList.InternalOnCreateComponent
         WinHeight=1.000000
         bBoundToParent=True
         bScaleToParent=True
     End Object
     lb_Fields=GUIMultiOptionListBox'GUI2K4.ID3TagEditor.FieldList'

     EditBoxHint="Click to edit"
     WindowName="Tag Editor"
     MinPageWidth=0.458984
     MinPageHeight=0.330155
}