Example #1
0
        /// <summary>
        /// Scan an assembly to find all controls that can be created using XML.
        /// </summary>
        /// <param name="assembly">Assembly.</param>
        public static void ScanControls(Assembly assembly)
        {
            foreach (Type type in assembly.GetTypes().Where(t => t.IsDefined(typeof(XmlControlAttribute), false)))
            {
                object[] attribs = type.GetCustomAttributes(typeof(XmlControlAttribute), false);
                if (attribs.Length > 0)
                {
                    XmlControlAttribute attrib = attribs[0] as XmlControlAttribute;
                    if (attrib != null)
                    {
                        ElementHandler handler;
                        if (attrib.CustomHandler != null)
                        {
                            MethodInfo mi = type.GetMethod(attrib.CustomHandler, BindingFlags.Static | BindingFlags.Public | BindingFlags.NonPublic);
                            if (mi != null)
                            {
                                handler = Delegate.CreateDelegate(typeof(ElementHandler), mi) as ElementHandler;
                            }
                            else
                            {
                                throw new Exception("Elemant handler not found.");
                            }
                        }
                        else
                        {
                            handler = DefaultElementHandler;
                        }

                        string name = attrib.ElementName != null ? attrib.ElementName : type.Name;

                        RegisterElement(name, type, handler);
                    }
                }
            }
        }
Example #2
0
        /// <summary>
        /// Parse typed element and call it's handler.
        /// </summary>
        /// <typeparam name="T">Control type to be created.</typeparam>
        /// <param name="parent">Parent control.</param>
        /// <returns>Control.</returns>
        public T ParseElement <T>(Gwen.Control.ControlBase parent) where T : Gwen.Control.ControlBase
        {
            Type type = typeof(T);
            XmlControlAttribute attrib = null;

            object[] attribs = type.GetCustomAttributes(typeof(XmlControlAttribute), false);
            if (attribs.Length > 0)
            {
                attrib = attribs[0] as XmlControlAttribute;
            }

            ElementDef elementDef;

            if (m_ElementHandlers.TryGetValue(attrib != null && attrib.ElementName != null ? attrib.ElementName : type.Name, out elementDef))
            {
                if (elementDef.Type == type)
                {
                    m_CurrentElement = elementDef;
                    return(elementDef.Handler(this, elementDef.Type, parent) as T);
                }
            }

            return(null);
        }