How to make custom Metadata accessible in Text Template Editor ?

Question

Hi all.
I used Lightroom SDK to create a plugin generating custom set of Metadata (for LR5) to manage images as produced items (printed and framed photos).
In order to be able to create usefull lists of items, I would need to be able to print this metadata fields on contact Sheets.
This is the only functionality that prevents me from using Lightroom as a database for produced artworks, beeing able to manage exhibitions, stock locations, sales etc...
Guess this means I have to make those new fields accessible in the Text Template Editor that allows user to compose an aggregated text from various type of metadata for printing or slideshows.
But seems that only the original sets of metadata appears in Text Template Editor, not the one created by my plugin.
Is there a way to add this functionnality to my plugin ?
Thank you very much.

Answer 1

First let me say I have no idea what you mean by Text Template Editor.
mbrch wrote:
Is there a way to add this functionnality to my plugin ?
3 ways:
======
1. If metadata definitions are available in metadata provider module without running plugin initialization function (i.e. as on-the-fly compilable lua), then Jeffrey Friedl's Metadata Viewing Preset Editor will support it. (this is the normal case, the other case would be if plugin init computes a global variable that is returned by metadata provider module instead).
2. You can edit a metadata viewing preset manually, by placing a .lrtemplate file in 'Metadata Field Lists' folder - in with your other presets (is that what you meant by text template editor?). - see example below.
3. Define a tagset factory for your plugin and return the metdata viewing preset options from the tagset factory implementation file - there are instructions in the programmer's guide.
Example below:
return {
   items = {
         formatter = "com.adobe.label",
         label = "File/Folder"
      "com.robcole.photoName",
      "com.robcole.folderPath",
         formatter = "com.adobe.label",
         label = ""
      'com.robcole.developSettings.ProcessVersion', -- individual develop settings can be included like this.
      'com.robcole.developSettings.CameraProfile', -- individual develop settings can be included like this.
         formatter = "com.adobe.label",
         label = ""
         formatter = "com.adobe.label",
         label = "Exif Metadata"
      'com.robcole.exif.AELockButton',
      'com.robcole.exif.ActiveD-Lighting',
      -- add more here...
      'com.robcole.exif.' -- "help" item - remove this item once you've got the hang of this...
   title = "Exif Select",
   id = "Exif_Select_382790710"
Rob