Move slides from other repos

git-flow/2014-03-01-drupalcamp-london/slides/plugin/notes/notes.js

@@ -0,0 +1,78 @@
+/**
+ * Handles opening of and synchronization with the reveal.js
+ * notes window.
+ */
+var RevealNotes = (function() {
+
+	function openNotes() {
+		var jsFileLocation = document.querySelector('script[src$="notes.js"]').src;  // this js file path
+		jsFileLocation = jsFileLocation.replace(/notes\.js(\?.*)?$/, '');   // the js folder path
+		var notesPopup = window.open( jsFileLocation + 'notes.html', 'reveal.js - Notes', 'width=1120,height=850' );
+
+		// Fires when slide is changed
+		Reveal.addEventListener( 'slidechanged', post );
+
+		// Fires when a fragment is shown
+		Reveal.addEventListener( 'fragmentshown', post );
+
+		// Fires when a fragment is hidden
+		Reveal.addEventListener( 'fragmenthidden', post );
+
+		/**
+		 * Posts the current slide data to the notes window
+		 */
+		function post() {
+			var slideElement = Reveal.getCurrentSlide(),
+				slideIndices = Reveal.getIndices(),
+				messageData;
+
+			var notes = slideElement.querySelector( 'aside.notes' ),
+				nextindexh,
+				nextindexv;
+
+			if( slideElement.nextElementSibling && slideElement.parentNode.nodeName == 'SECTION' ) {
+				nextindexh = slideIndices.h;
+				nextindexv = slideIndices.v + 1;
+			} else {
+				nextindexh = slideIndices.h + 1;
+				nextindexv = 0;
+			}
+
+			messageData = {
+				notes : notes ? notes.innerHTML : '',
+				indexh : slideIndices.h,
+				indexv : slideIndices.v,
+				indexf : slideIndices.f,
+				nextindexh : nextindexh,
+				nextindexv : nextindexv,
+				markdown : notes ? typeof notes.getAttribute( 'data-markdown' ) === 'string' : false
+			};
+
+			notesPopup.postMessage( JSON.stringify( messageData ), '*' );
+		}
+
+		// Navigate to the current slide when the notes are loaded
+		notesPopup.addEventListener( 'load', function( event ) {
+			post();
+		}, false );
+	}
+
+	// If the there's a 'notes' query set, open directly
+	if( window.location.search.match( /(\?|\&)notes/gi ) !== null ) {
+		openNotes();
+	}
+
+	// Open the notes when the 's' key is hit
+	document.addEventListener( 'keydown', function( event ) {
+		// Disregard the event if the target is editable or a
+		// modifier is present
+		if ( document.querySelector( ':focus' ) !== null || event.shiftKey || event.altKey || event.ctrlKey || event.metaKey ) return;
+
+		if( event.keyCode === 83 ) {
+			event.preventDefault();
+			openNotes();
+		}
+	}, false );
+
+	return { open: openNotes };
+})();