public WidgetEngineMapping(){
setUpEngineMap();
}
private void setUpEngineMap() {
engineMap.put(VkButton.NAME, new VkButtonEngine());
engineMap.put(VkTextBox.NAME, new VkTextBoxEngine());
engineMap.put(VkLabel.NAME, new VkLabelEngine());
engineMap.put(VkFrame.NAME, new VkFrameEngine());
engineMap.put(VkCheckbox.NAME, new VkCheckboxEngine());
engineMap.put(VkFileUpload.NAME, new VkFileUploadEngine());
engineMap.put(VkFlexTable.NAME, new VkFlexTableEngine());