Added class creation. Fixes #334 (#378)

WIP #334 Fixed programmatic changes triggeringd save

WIP #334 Added support for single panel

WIP #334 Added ClassEditor

WIP #334 Added boilerplate class code

WIP #334 Updated creation buttons

WIP #334 Updated pipeline execution for complex data types

WIP #334 Fixed problem in default template

WIP #334 Updated default code template

WIP #334 Updated class name from src return value

WIP #334 Removed Primitive, Complex data types from opint editor

WIP #334 set isAbstract if needed on data type creation

WIP #334 updated seeds

WIP #334 Updated cifar example

src/visualizers/panels/ClassCodeEditor/ClassCodeEditorControl.js

@@ -0,0 +1,71 @@
+/*globals define */
+/*jshint browser: true*/
+
+define([
+    'panels/TextEditor/TextEditorControl',
+    'underscore',
+    'text!./DefaultCodeTemplate.ejs'
+], function (
+    TextEditorControl,
+    _,
+    CODE_TEMPLATE
+) {
+
+    'use strict';
+
+    var ClassCodeEditorControl,
+        getBoilerplate = _.template(CODE_TEMPLATE);
+
+    ClassCodeEditorControl = function (options) {
+        options.attributeName = 'code';
+        TextEditorControl.call(this, options);
+    };
+
+    _.extend(
+        ClassCodeEditorControl.prototype,
+        TextEditorControl.prototype
+    );
+
+    // input/output updates are actually activeNode updates
+    ClassCodeEditorControl.prototype._onUpdate = function (id) {
+        if (id === this._currentNodeId) {
+            TextEditorControl.prototype._onUpdate.call(this, this._currentNodeId);
+        }
+    };
+
+    ClassCodeEditorControl.prototype._getObjectDescriptor = function (nodeId) {
+        var desc = TextEditorControl.prototype._getObjectDescriptor.call(this, nodeId),
+            node = this._client.getNode(nodeId),
+            ownCode = node.getOwnAttribute(this.ATTRIBUTE_NAME);
+
+        // If the 'text' attribute is not set, and it's not inheriting anything
+        if (!desc.text && ownCode === undefined) {
+            desc.text = getBoilerplate(desc);
+        }
+        return desc;
+    };
+
+    ClassCodeEditorControl.prototype.saveTextFor = function (id, text) {
+        // On save, update the node's name
+        // For now, simply use regex to grab the returned name
+        var i = text.lastIndexOf('return') + 7,
+            returned = text.substring(i),
+            match = returned.match(/[a-zA-Z0-9_]+/),
+            node = this._client.getNode(id),
+            nodeName = node.getAttribute('name'),
+            name;
+
+        if (match) {
+            name = match[0];
+        }
+
+        this._client.startTransaction(`Updating class "${name || nodeName}"`);
+        if (name) {
+            this._client.setAttributes(id, 'name', name);
+        }
+        TextEditorControl.prototype.saveTextFor.call(this, id, text);
+        this._client.completeTransaction();
+    };
+
+    return ClassCodeEditorControl;
+});