Added callback to be called after each diagram is rendered as described in issue #176

dist/mermaid.js

@@ -31288,9 +31288,9 @@ module.exports.draw = function (text, id) {
     var box = exports.bounds.getBounds();
 
     // Adjust line height of actor lines now that the height of the diagram is known
-    log.info('Querying: #' + id + ' .actor-line')
+    log.debug('For line height fix Querying: #' + id + ' .actor-line');
     var actorLines = d3.selectAll('#' + id + ' .actor-line');
-    actorLines.attr('y2',box.stopy)
+    actorLines.attr('y2',box.stopy);
 
 
     var height = box.stopy - box.starty + 2*conf.diagramMarginY;
@@ -31596,8 +31596,9 @@ module.exports.mermaidAPI = mermaidAPI;
  * @param nodes a css selector or an array of nodes
  */
 var init = function () {
+    log.debug('Starting rendering diagrams');
     var nodes;
-    if(arguments.length === 2){
+    if(arguments.length >= 2){
         /*! sequence config was passed as #1 */
         if(typeof arguments[0] !== 'undefined'){
             mermaid.sequenceConfig = arguments[0];      
@@ -31608,7 +31609,20 @@ var init = function () {
     else{
         nodes = arguments[0];
     }
-    
+
+    // if last argument is a function this is the callback function
+    var callback;
+    if(typeof arguments[arguments.length-1] === 'function'){
+        callback = arguments[arguments.length-1];
+        log.debug('Callback function found');
+    }else{
+        if(typeof mermaidAPI.getConfig().mermaid.callback === 'function'){
+            callback = mermaidAPI.getConfig().mermaid.callback;
+            log.debug('Callback function found');
+        }else{
+            log.debug('No Callback function found');
+        }
+    }
     nodes = nodes === undefined ? document.querySelectorAll('.mermaid')
         : typeof nodes === "string" ? document.querySelectorAll(nodes)
         : nodes instanceof Node ? [nodes]
@@ -31622,9 +31636,9 @@ var init = function () {
         
     }
 
-    log.debug('STar On Load (0): '+mermaid.startOnLoad);
+    log.debug('Start On Load before: '+mermaid.startOnLoad);
     if(typeof mermaid.startOnLoad !== 'undefined'){
-        log.debug('STar On Load: '+mermaid.startOnLoad);
+        log.debug('Start On Load inner: '+mermaid.startOnLoad);
         mermaidAPI.initialize({startOnLoad:mermaid.startOnLoad});
 
     }
@@ -31636,6 +31650,9 @@ var init = function () {
 
     var insertSvg = function(svgCode){
         element.innerHTML = svgCode;
+        if(typeof callback !== 'undefined'){
+            callback(id);
+        }
     };
     
     for (i = 0; i < nodes.length; i++) {
@@ -31655,7 +31672,6 @@ var init = function () {
         txt = txt.replace(/</g,'&lt;');
         txt = he.decode(txt).trim();
 
-
         mermaidAPI.render(id,txt,insertSvg, element);
     }
 
@@ -31678,6 +31694,13 @@ exports.version = function(){
  * @param config
  */
 exports.initialize = function(config){
+    log.debug('Initializing mermaid');
+    if(typeof config.mermaid.startOnLoad !== 'undefined'){
+        global.mermaid.startOnLoad = config.mermaid.startOnLoad;
+    }
+    if(typeof config.mermaid.htmlLabels !== 'undefined'){
+        global.mermaid.htmlLabels = config.mermaid.htmlLabels;
+    }
     mermaidAPI.initialize(config);
 };
 
@@ -31708,7 +31731,7 @@ global.mermaid = {
         init.apply(null, arguments);
     },
     initialize: function(config) {
-        mermaidAPI.initialize(config);
+        exports.initialize(config);
     },
     version: function() {
         return mermaidAPI.version();
@@ -32022,6 +32045,13 @@ exports.version = function(){
     return require('../package.json').version;
 };
 
+/**
+ * Function that renders an svg with a graph from a chart definition.
+ * @param id
+ * @param txt
+ * @param cb
+ * @param container
+ */
 var render = function(id, txt, cb, container){
 
     if(typeof container !== 'undefined'){
@@ -32090,6 +32120,9 @@ var render = function(id, txt, cb, container){
 
     if(typeof cb !== 'undefined'){
         cb(d3.select('#d'+id).node().innerHTML);
+    }else{
+
+        log.warn('CB = undefined');
     }
 
     var node = d3.select('#d'+id).node();
@@ -32125,6 +32158,7 @@ var setConf = function(cnf){
                     
                     config[lvl1Keys[i]] = {};
                 }
+                log.debug('Setting config: '+lvl1Keys[i]+' '+lvl2Keys[j]+' to '+cnf[lvl1Keys[i]][lvl2Keys[j]]);
                 config[lvl1Keys[i]][lvl2Keys[j]] = cnf[lvl1Keys[i]][lvl2Keys[j]];
             }
         }else{