Deprecate SnapSVG need, using Markdown embeds

Dispensing with all SVG injection and JavaScript needs in favor of
Markdown image syntax and direct SVG embedding.

Author: jordanmccullough

_javascript/curriculum.js

@@ -2,10 +2,6 @@ $(function(){
 
 	buildToc();
 
-	// SnapSVG
-	// Run once at startup to inject all SVGs
-	loadAllSvg();
-
 	function buildToc(){
 		var headings = $("h3"),
 				toc = $("#toc-list");
@@ -35,85 +31,8 @@ $(function(){
 			// $(headings[h].parentElement).prepend(hiddenTitle);
 
 			headings[h].parentElement.setAttribute("id", headingSep);
-			
-			$('.curriculum').scrollspy({ target: '#toc' });
-		}
-	}
-
-	function loadAllSvg(){
-		var els = document.getElementsByTagName("svg"),
-				elCount = 0;
-
-		for(elCount = 0; elCount < els.length; elCount++){
-				injectSvg(els[elCount]);
-		}
-	}
-
-	function injectSvg(canvasTarget){
-		if(canvasTarget){
-			Snap.load(
-				canvasTarget.getAttribute("data-path"),
-				function (frag) {
-					sCanvas = Snap("#" + canvasTarget.getAttribute("id"));
-					fCanvas = Snap();
-					sCanvas.clear();
-
-					//Determine if grouped build-steps present
-					var buildStepBase = frag.select("#base");
-							buildStepGroups = frag.selectAll("[id^=step-]"),
-							buildStepCount = buildStepGroups.length,
-							buildStep = 0;
 
-					//Setup the container canvas boundary sizing
-					setCanvasBBox(frag, canvasTarget);
-
-					// Show the first build step when available
-					// Otherwise just show entire graphic
-					if(buildStepCount > 0){
-						// Include the non-fragment base layout/visuals
-						fCanvas.append(buildStepBase);
-						// fCanvas.append(buildStepGroups[buildStep]);
-
-						for(; buildStep < buildStepCount; buildStep++){
-
-							// Supports fragment in-out transitions by
-							// wrapping in a group and applying a second
-							// fragment class
-							if(buildStepGroups[buildStep].node.id.match(/in-out/)){
-								var tG = fCanvas.g(buildStepGroups[buildStep]);
-								buildStepGroups[buildStep].attr("class", "fragment fade-out");
-								tG.attr("class", "fragment");
-								fCanvas.append(tG);
-							}
-							else{
-								buildStepGroups[buildStep].attr("class", "fragment");
-								fCanvas.append(buildStepGroups[buildStep]);
-							}
-						}
-					} else{
-						//No "steps" to build out, ensure boundary guide
-						//is not rendered
-						frag.select("#boundary").remove();
-						fCanvas.append(frag);
-					}
-
-					sCanvas.append(fCanvas);
-				}
-			);
+			$('.curriculum').scrollspy({ target: '#toc' });
 		}
 	}
-
-	function setCanvasBBox(canvas, target){
-		var boundary,
-				maxWidth,
-				maxHeight;
-
-		boundary = canvas.select("#boundary").select(":first-child").getBBox();
-		maxWidth = Math.ceil(boundary.width);
-		maxHeight = Math.ceil(boundary.height);
-
-		target.setAttribute("height", (((maxHeight/maxWidth)*100)+"%"));
-		target.setAttribute("viewBox", "0 0 " + maxWidth + " " + maxHeight);
-		return canvas;
-	}
 });