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diff --git a/otf-frontend/client/src/app/layout/modeler/color-picker/ColorPicker.js b/otf-frontend/client/src/app/layout/modeler/color-picker/ColorPicker.js
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+/*  Copyright (c) 2019 AT&T Intellectual Property.                             #
+#                                                                              #
+#   Licensed under the Apache License, Version 2.0 (the "License");            #
+#   you may not use this file except in compliance with the License.           #
+#   You may obtain a copy of the License at                                    #
+#                                                                              #
+#       http://www.apache.org/licenses/LICENSE-2.0                             #
+#                                                                              #
+#   Unless required by applicable law or agreed to in writing, software        #
+#   distributed under the License is distributed on an "AS IS" BASIS,          #
+#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.   #
+#   See the License for the specific language governing permissions and        #
+#   limitations under the License.                                             #
+##############################################################################*/
+
+
+import {
+    is
+  } from 'bpmn-js/lib/util/ModelUtil';
+  
+  
+  /**
+   * A basic color picker implementation.
+   *
+   * @param {EventBus} eventBus
+   * @param {ContextPad} contextPad
+   * @param {CommandStack} commandStack
+   */
+  export default function ColorPicker(eventBus, contextPad, commandStack) {
+  
+    contextPad.registerProvider(this);
+  
+    commandStack.registerHandler('shape.updateColor', UpdateColorHandler);
+  
+    function changeColor(event, element) {
+  
+      var color = window.prompt('type a color code');
+  
+      commandStack.execute('shape.updateColor', { element: element, color: color });
+    }
+  
+  
+    this.getContextPadEntries = function(element) {
+  
+      if (is(element, 'bpmn:Event')) {
+        return {
+          'changeColor': {
+            group: 'edit',
+            className: 'icon-red',
+            title: 'Change element color',
+            action: {
+              click: changeColor
+            }
+          }
+        };
+      }
+    };
+  }
+  
+  
+  
+  /**
+   * A handler updating an elements color.
+   */
+  function UpdateColorHandler() {
+  
+    this.execute = function(context) {
+      context.oldColor = context.element.color;
+      context.element.color = context.color;
+  
+      return context.element;
+    };
+  
+    this.revert = function(context) {
+      context.element.color = context.oldColor;
+  
+      return context.element;
+    };
+  
+  }
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