// DESCRIPTION: batch-convert files -- CS3 only
// Peter Kahrel
// December 2007

#target indesign-5.0

// Get all (five) necessary parameters as an object.
// Property names are dir, subdirInclude, sourceType,
// destinationType, pdfPreset, ignoreErrors

params = getData();

// Get the names of all the documents to process,
// which is either all open documents or all documents
// in a designated folder, maybe with subfolders

// Collect the names of the files that couldn't be processed
problems = [];
// Get folder
if( app.documents.length > 0 ) // collect names of open docs
	alldocs = getOpenDocs( app.documents, problems );
else // or get a folder from the user
	if( params.subdirInclude == true )
		alldocs = getAllfiles( params.dir, [], params.sourceType );
	else
		alldocs = Folder( params.dir ).getFiles( '*' + params.sourceType );

// Disable error messages if necessary
if( params.ignoreErrors )
	app.scriptPreferences.userInteractionLevel = 
		UserInteractionLevels.neverInteract;

// Create window to display the name of the processed file
longestname = getLongest(alldocs)+6
showfilename = createmessagewindow( longestname );

// Process all files
for( i = 0; i < alldocs.length; i++ )
	{
	try
		{
		app.open( alldocs[i] );
		f = new File( alldocs[i].fullName.replace( 
			RegExp( params.sourceType+'$', 'i' ), params.destinationType ));
		showfilename.text = decodeURI(alldocs[i].fullName) + ' (' + Number(i+1) + ' of ' + alldocs.length + ')';
		switch( params.destinationType )
			{
			case 'pdf' : app.activeDocument.exportFile( 
				ExportFormat.pdfType, f, false , params.pdfPreset ); break;
			case 'eps' : app.activeDocument.exportFile(
				ExportFormat.epsType, f, false ); break;
			case 'inx' : app.activeDocument.exportFile( 
				ExportFormat.indesignInterchange, f ); break;
			case 'rtf' : rtf_story( app.activeDocument ).exportFile( 
				ExportFormat.rtf, f ); break;
			case 'indd' : app.activeDocument.save( f );
			}
		}
	catch(_)
		{
		problems.push( decodeURI(alldocs[i] ) )
		}
	finally
		{
		if( app.documents.length == 1 )
			app.activeDocument.close(SaveOptions.no);
		}
	}

// Enable UI dialogs
app.scriptPreferences.userInteractionLevel = 
	UserInteractionLevels.interactWithAll;
// Report any problems
if( problems.length > 0 )
	alert( 'Problems with:\r\r' + problems.join('\r') )

// End ----------------------------------------------------------------------------------


function getData()
{
var convertdlg = new Window( 'dialog', "Convert" );
	convertdlg.orientation = 'row';
	convertdlg.alignChildren = ['left', 'top'];
// Two main groups, one for buttons, the other for everything else
// Needed to position the buttons wrt to the other controls
var controlGroup = convertdlg.add('group');
	controlGroup.orientation = 'column';
	controlGroup.alignChildren = ['left', 'top'];
var buttonGroup = convertdlg.add('group');
	buttonGroup.orientation = 'column';
	buttonGroup.alignChildren = ['right', 'bottom'];
	okButton = buttonGroup.add('button', undefined, 'OK');
	buttonGroup.add('button', undefined, 'Cancel');
// User input: folder
var getFolderGroup = controlGroup.add('group');
	getFolderGroup.add ('statictext', undefined, 'Folder:');
	var getFolder = getFolderGroup.add('edittext');
	getFolder.preferredSize = [182,20];
	getFolder.active = true;
	getFolder.helpTip = 'Enter a folder name or * to display folder dialog';
	getFolder.onChange = function () { folderdialog( getFolder ) }
	getFolderGroup.enabled = app.documents.length == 0;
// Two checkboxes, Include subfolders and Ignore errors
var checkGroup = controlGroup.add('group');
	var subFolders = checkGroup.add('checkbox', undefined, 'Include subfolders');
	subFolders.enabled = app.documents.length == 0;
var ignoreErrors = checkGroup.add('checkbox', undefined, 'Ignore errors');
	ignoreErrors.value = true;
// 'From' panel
var fromGroup = controlGroup.add ('group');
	var fromPanel = fromGroup.add('panel');
	var fromPrompt = fromPanel.add ('statictext', undefined, "From:");
	fromPrompt.preferredSize = [35,20];
	fromPanel.orientation = 'row';
	fromPanel.alignChildren = ['left','top'];
	var fromSubgroup = fromPanel.add('group');
	fromSubgroup.orientation = 'column';
	fromSubgroup.alignChildren = ['left', 'top'];
	var fromINDD = fromSubgroup.add ('radiobutton', undefined, 'InDesign');
		fromINDD.preferredSize = [150,15];
	var fromINX = fromSubgroup.add ('radiobutton', undefined, 'INX');
		fromINDD.value = true;
	fromGroup.enabled = app.documents.length == 0;
// 'To' panel
var toGroup = controlGroup.add ('group');
	var toPanel = toGroup.add('panel');
	var toPrompt = toPanel.add ('statictext', undefined, 'To:');
	toPrompt.preferredSize = [35,20];
	toPanel.orientation = 'row';
	toPanel.alignChildren = ['left','top'];
	var toSubgroup = toPanel.add('group');
	toSubgroup.orientation = 'column';
	toSubgroup.alignChildren = ['left', 'top'];
	var toINDD = toSubgroup.add ('radiobutton', undefined, 'InDesign');
		toINDD.preferredSize = [150,15];
//		toINDD.enabled = app.documents.length == 0;
	var toPDF = toSubgroup.add ('radiobutton', undefined, 'PDF');
	var toINX = toSubgroup.add ('radiobutton', undefined, 'INX');
	var toEPS = toSubgroup.add ('radiobutton', undefined, 'EPS');
		toPDF.value = true;
	var toRTF = toSubgroup.add ('radiobutton', undefined, 'RTF');
// Presets dropdown
var pdfPresets = app.pdfExportPresets.everyItem().name;
	pdfPresetGroup = controlGroup.add('group');
	pdfPresetGroup.add('statictext', undefined, 'PDF presets: ');
	pdfPresetlist = pdfPresetGroup.add ('dropdownlist', undefined, pdfPresets );
	pdfPresetlist.selection = 0;

// Get folder from dialog
function folderdialog( f )
{
if( f.text == '*' || f.text == ' ' )
	{
	var dir = Folder.selectDialog( 'Select a folder' );
	if( dir == null )
		f.text = '';
	else
		f.text = dir.path+'/'+dir.name
	}
else
	if( !Folder(f.text).exists )
		{
		f.text += ' does not exist';
		f.active = true; // this doesn't work
		}
}

fromINDD.onClick = function ()
{
for( var i = 0; i < toSubgroup.children.length; i++ )
	toSubgroup.children[i].value = false;
toINX.enabled = true;
toPDF.value = true;
pdfPresetGroup.enabled = true;
}

// When a button is pressed in the From panel, disable all buttons
// in the To panel to make sure that you don't end up with
// two selected radiobuttons (which is possible)

fromINX.onClick = function ()
{
for( var i = 0; i < toSubgroup.children.length; i++ )
	toSubgroup.children[i].value = false;
toINX.enabled = false;
toINDD.value = true;
pdfPresetGroup.enabled = false;
}

toINDD.onClick = function (){
pdfPresetGroup.enabled = false;
}

toPDF.onClick = function (){
pdfPresetGroup.enabled = true;
}

toINX.onClick = function (){
pdfPresetGroup.enabled = false;
}

toEPS.onClick = function (){
pdfPresetGroup.enabled = false;
}

toRTF.onClick = function (){
pdfPresetGroup.enabled = false;
}

if( convertdlg.show() == 2 )
	exit();
else
	{
	var fromFormat = ['indd','inx'][getIndex( [fromINDD,fromINX] )]
	var toFormat = ['indd','pdf','inx','eps','rtf'][getIndex( [toINDD,toPDF,toINX,toEPS,toRTF] )]
	return { dir : getFolder.text,
		subdirInclude : subFolders.value,
		sourceType : fromFormat,
		destinationType : toFormat,
		pdfPreset : pdfPresets[Number(pdfPresetlist.selection)],
		ignoreErrors : ignoreErrors.value
		}
	}
} // end getData


function getIndex( array )
{
for( var i = 0; i < array.length; i++ )
	if( array[i].value == true )
		return i;
alert( 'Index out of bounds in "getIndex"' )
exit()
}

function getAllfiles( dir, array, mask )
{
var f = Folder( dir ).getFiles( '*.*' );
for( var i = 0; i < f.length; i++ )
	if( f[i] instanceof Folder )
		getAllfiles( f[i], array, mask );
	else
		if( f[i].name.substr( -mask.length ) == mask )
			array.push( f[i] );
return array;
}

function getOpenDocs( docs )
{
var array = [];
for( var i = 0; i < docs.length; i++ )
	try
		{
		array.push( docs[i].fullName )
		}
	catch(_)
		{
		problems.push( app.documents[i].name + ' has never been saved -- ignored.' )
		}
return array
}


function getLongest( docs )
{
var longest = 0;
for( var i = 0; i < docs.length; i++ )
	longest = Math.max( longest, docs[i].fullName.length );
return longest
}

function createmessagewindow( le )
{
dlg = new Window('palette');
dlg.alignChildren = ['left', 'top'];
var txt = dlg.add('statictext', undefined, '');
txt.characters = le;
dlg.show();
return txt
}


// Combine all stories into one. ==========================================

function rtf_story ( doc )
{
// delete all frames from all masters
doc.masterSpreads.everyItem().pageItems.everyItem().locked = false;
doc.masterSpreads.everyItem().pageItems.everyItem().remove();
// ungroup everything
while( app.activeDocument.groups.length > 0 )
	app.activeDocument.groups.everyItem().ungroup();
//pull contents of inlines into their containing story
inlines ( doc );
// create text frame to collect all stories in.
// create it on master so it won't interfere with script
var rtf_frame = doc.masterSpreads[0].textFrames.add( { label : 'rtf',
	geometricBounds : ['2cm','2cm','15cm','15cm'] } );
// assume that longest story is main story, start with that
move_story ( longest_story( doc ), rtf_frame );
//append any following stories
if ( doc.stories.length > 1 )
	for ( var i = 0; i < doc.pages.length; i++ )
		while ( doc.pages[i].textFrames.length > 0 )
			move_story ( doc.pages[i].textFrames[0].parentStory, rtf_frame );
return rtf_frame.parentStory
}
//-----------------------------------------------------------------			

// move story contents to end of combined story
// and delete all its text frames
function move_story ( st, target_frame )
{
var story_frames = st.textContainers;
st.move( LocationOptions.atEnd, target_frame.parentStory );
target_frame.parentStory.insertionPoints[-1].contents = '\r';
for ( var i = story_frames.length-1; i > -1; i-- )
	{
	story_frames[i].locked = false;
	story_frames[i].remove();
	}
}


// get contents out of inlines into containing story:
// place contents in situ as separate paragraph
function inlines ( doc )
{
var st = doc.stories;
for( var i = doc.stories.length-1; i > -1; i-- )
	while ( st[i].textFrames.length > 0 )
		{
		var ix = st[i].textFrames[-1].parent.index;
		st[i].textFrames[-1].texts[0].move( LocationOptions.after, 
			st[i].insertionPoints[ix] );
		st[i].textFrames[-1].locked = false;
		st[i].textFrames[-1].remove();
		}
}


function longest_story( doc )
{
var temp = doc.stories[0];
var len = doc.stories[0].contents.length;
if( doc.stories.length > 1 )
	for( var i = 1; i < doc.stories.length; i++ )
		if( doc.stories[i].contents.length > len )
			{
			len = doc.stories[i].contents.length
			temp = doc.stories[i]
			}
return temp
}

//==================================================================================