improve(elementfactory): changed default size for SubProcesses

- expanded: with enough space for a small process
- collapsed: same size as Tasks

lib/features/modeling/ElementFactory.js

@@ -38,8 +38,6 @@ ElementFactory.prototype.createWithBpmn = function(elementType, attrs) {
     businessObject = this._bpmnFactory.create(attrs.type);
   }
 
-  size = this._getDefaultSize(businessObject);
-
   if (!businessObject.di) {
     if (elementType === 'connection') {
       businessObject.di = this._bpmnFactory.createDiEdge(businessObject, [], {
@@ -56,6 +54,8 @@ ElementFactory.prototype.createWithBpmn = function(elementType, attrs) {
    businessObject.di.isExpanded = attrs.isExpanded;
  }
 
+ size = this._getDefaultSize(businessObject);
+
   attrs = _.extend({
     businessObject: businessObject,
     id: businessObject.id
@@ -82,6 +82,16 @@ ElementFactory.prototype.createConnection = function(attrs) {
 
 ElementFactory.prototype._getDefaultSize = function(semantic) {
 
+  if (semantic.$instanceOf('bpmn:SubProcess')) {
+    var isExpanded = semantic.di.isExpanded === true;
+
+    if (isExpanded) {
+      return { width: 350, height: 200 };
+    } else {
+      return { width: 100, height: 80 };
+    }
+  }
+
   if (semantic.$instanceOf('bpmn:Task')) {
     return { width: 100, height: 80 };
   }