Cleanup of code

src/diagrams/sequenceDiagram/svgDraw.js

@@ -61,6 +61,74 @@ exports.drawLabel = function(elem , txtObject){
     //return textElem;
 };
 
+/**
+ * Draws an actor in the diagram with the attaced line
+ * @param center - The center of the the actor
+ * @param pos The position if the actor in the liost of actors
+ * @param description The text in the box
+ */
+exports.drawActor = function(elem, left,description,conf){
+    var center = left + (conf.width/2);
+    var g = elem.append("g");
+    g.append("line")
+        .attr("x1", center)
+        .attr("y1", 5)
+        .attr("x2", center)
+        .attr("y2", 2000)
+        .attr("class", 'actor-line')
+        .attr("stroke-width", '0.5px')
+        .attr("stroke", '#999');
+
+    g.append("rect")
+        .attr("x", left)
+        .attr("y", 0)
+        .attr("fill", '#eaeaea')
+        .attr("stroke", '#666')
+        .attr("width", conf.width)
+        .attr("height", conf.height)
+        .attr("class", 'actor')
+        .attr("rx", 3)
+        .attr("ry", 3);
+    g.append("text")      // text label for the x axis
+        .attr("x", center)
+        .attr("y", (conf.height/2)+5)
+        .attr('class','actor')
+        .style("text-anchor", "middle")
+        .text(description)
+    ;
+};
+/**
+ * Setup arrow head and define the marker. The result is appended to the svg.
+ */
+exports.insertArrowHead = function(elem){
+    elem.append("defs").append("marker")
+        .attr("id", "arrowhead")
+        .attr("refX", 5) /*must be smarter way to calculate shift*/
+        .attr("refY", 2)
+        .attr("markerWidth", 6)
+        .attr("markerHeight", 4)
+        .attr("orient", "auto")
+        .append("path")
+        .attr("d", "M 0,0 V 4 L6,2 Z"); //this is actual shape for arrowhead
+};
+/**
+ * Setup arrow head and define the marker. The result is appended to the svg.
+ */
+exports.insertArrowCrossHead = function(elem){
+    elem.append("defs").append("marker")
+        .attr("id", "crosshead")
+        .attr("refX", 15) /*must be smarter way to calculate shift*/
+        .attr("refY", 4)
+        .attr("markerWidth", 8)
+        .attr("markerHeight", 8)
+        .attr("orient", "auto")
+        .append("path")
+        .attr("fill",'none')
+        .attr("stroke",'#000000')
+        .style("stroke-dasharray", ("0, 0"))
+        .attr("stroke-width",'1px')
+        .attr("d", "M 1,1 L 7,7 M 7,1 L 1,7"); //this is actual shape for arrowhead
+};
 
 exports.getTextObj = function(){
     var txt = {