//DESCRIPTION: convert footnotes to dynamic (cross-referenced) endnotes
// Peter Kahrel -- www,kahrel.plus.com

#target indesign;

// Only CS4 and later
if (parseInt (app.version) < 6)
	exit ();

foot_to_end (app.documents[0], 'endnote___');

//-----------------------------------------------------------------------------------------------

function foot_to_end (doc, stylename)
	{
	var endnote, endnote_link, cue;
	add_styles (stylename);
	var cr_format = doc.crossReferenceFormats.item (stylename);
	var p_style = doc.paragraphStyles.item (stylename);
	var story = find_story (doc);
	var footn = story.footnotes;
	for (var i = 0; i < footn.length; i++)
		{
		story.insertionPoints[-1].contents = '\r';
		var endnote = footn[i].texts[0].move (LocationOptions.after, story.insertionPoints[-1]);
		endnote.applyParagraphStyle (p_style, false);
		var endnote_link = doc.paragraphDestinations.add (endnote.insertionPoints[0]);
		var cue = doc.crossReferenceSources.add (footn[i].storyOffset, cr_format);
		doc.hyperlinks.add (cue, endnote_link, {visible: false});
		}
	delete_notemarkers (doc);
	doc.crossReferenceSources.everyItem().update();
	}


function find_story (doc)
	{
	app.findGrepPreferences = app.changeGrepPreferences = null;
	app.findChangeGrepOptions.includeFootnotes = false;
	app.findGrepPreferences.findWhat = '~F';
	var fn = doc.findGrep ();
	if (fn.length > 0)
		return fn[0].parentStory;
	else
		exit ();
	}


function delete_notemarkers (doc)
	{
	app.findGrepPreferences = app.changeGrepPreferences = null;
	app.findChangeGrepOptions.includeFootnotes = true;
	app.findGrepPreferences.findWhat = '~F';
	doc.changeGrep ();
	}


function add_styles (n)
	{
	try
		{
		var char_style = app.activeDocument.characterStyles.add ({name: n});
		char_style.position = Position.superscript;
		} catch (_){};

	try
		{
		var par_style = app.activeDocument.paragraphStyles.add ({name: n});
		par_style.bulletsAndNumberingListType = ListType.numberedList;
		} catch (_){};

	try
		{
		var cr = app.activeDocument.crossReferenceFormats.add ({name: n});
		cr.appliedCharacterStyle = app.activeDocument.characterStyles.item (n);
		cr.buildingBlocks.add (BuildingBlockTypes.paragraphNumberBuildingBlock);
		} catch (_){}
	}