Re: No track index in iTunes SB?
Re: No track index in iTunes SB?
- Subject: Re: No track index in iTunes SB?
- From: email@hidden
- Date: Mon, 10 Mar 2008 20:49:30 +0100
Thank you!
On Mon, Mar 10, 2008 at 8:04 PM, Christopher Nebel <email@hidden> wrote:
>
> On Mar 10, 2008, at 4:56 AM, email@hidden wrote:
>
> > Anyone know how to get the index of the current iTunes track using
> > Scripting Bridge? With Applescript, it's as simple as "tell iTunes
> > to return index of current track", but iTunes SB has no such
> > property (well, there is one, but it only refers to the index of the
> > current playlist). It seems the iTunesTrack index property is simply
> > missing...? Or am I missing something?
>
> What's missing is the line in iTunes' dictionary that says that tracks
> have an "index" property in the first place. Scripting Bridge takes
> the dictionary at its word, and therefore, no -[iTunesTrack index]
> accessor. Ultimately, it's an iTunes bug. In the meantime, you can
> work around the problem by using the raw codes [1]:
>
> int index = [[[[iTunes currentTrack] propertyWithCode:'pidx'] get]
> intValue];
>
> Ordinarily, Scripting Bridge would take care of the -get and -intValue
> for you, since this is an attribute you're dealing with [2], but if
> you're dropping down to the base level, you have to be explicit.
>
>
> --Chris Nebel
> AppleScript Engineering
>
> [1] You can find the raw code by inspecting the dictionary. For spot
> queries like this, I find it easiest to use Terminal:
>
> % sdef /Applications/iTunes.app | xmllint --format - | grep
> 'name="index"'
> <property name="index" code="pidx" type="integer" access="r"
> description="the index of the playlist in internal application order"/>
>
> [2] This is covered in the documentation under "Lazy Evaluation":
> when you use an accessor that returns an attribute (in other words,
> anything that isn't an SBObject descendant or SBElementArray),
> Scripting Bridge will automatically do a -get and unbox the value for
> you.
>
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