public void GenerateChildren(ViewModelContext context, IViewModelNode viewModelNode, ref bool handled)
 {
     if (viewModelNode.NodeValue is EffectOld)
     {
         viewModelNode.Children.Add(new ViewModelNode("Name", new PropertyInfoViewModelContent(new ParentNodeValueViewModelContent(), typeof(EffectOld).GetProperty("Name"))));
         viewModelNode.Children.Add(new ViewModelNode("Plugins",
             LambdaViewModelContent<EffectPluginDefinition[]>.FromParent<EffectOld>(
                 effect => effect.Plugins.Select(plugin => new EffectPluginDefinition { PluginType = plugin.GetType().AssemblyQualifiedName }).ToArray())));
     }
 }
 public void GenerateChildren(ViewModelContext context, IViewModelNode viewModelNode, ref bool handled)
 {
     if (viewModelNode.NodeValue is RenderPass)
     {
         viewModelNode.Children.Add(new ViewModelNode("Name", new PropertyInfoViewModelContent(new ParentNodeValueViewModelContent(), typeof(ComponentBase).GetProperty("Name"))));
         viewModelNode.Children.Add(new ViewModelNode("SubPasses", EnumerableViewModelContent.FromUnaryLambda <ViewModelReference, RenderPass>(new ParentNodeValueViewModelContent(),
                                                                                                                                               (renderPass) => renderPass.Passes != null
                                 ? renderPass.Passes.Select(x => new ViewModelReference(x, true))
                                 : Enumerable.Empty <ViewModelReference>())));
     }
 }
 public void GenerateChildren(ViewModelContext context, IViewModelNode viewModelNode, ref bool handled)
 {
     if (viewModelNode.NodeValue is RenderPass)
     {
         viewModelNode.Children.Add(new ViewModelNode("Name", new PropertyInfoViewModelContent(new ParentNodeValueViewModelContent(), typeof(ComponentBase).GetProperty("Name"))));
         viewModelNode.Children.Add(new ViewModelNode("SubPasses", EnumerableViewModelContent.FromUnaryLambda<ViewModelReference, RenderPass>(new ParentNodeValueViewModelContent(),
             (renderPass) => renderPass.Passes != null
                                 ? renderPass.Passes.Select(x => new ViewModelReference(x, true))
                                 : Enumerable.Empty<ViewModelReference>())));
     }
 }
 public void GenerateChildren(ViewModelContext context, IViewModelNode viewModelNode, ref bool handled)
 {
     if (viewModelNode.NodeValue is EffectOld)
     {
         viewModelNode.Children.Add(new ViewModelNode("Name", new PropertyInfoViewModelContent(new ParentNodeValueViewModelContent(), typeof(EffectOld).GetProperty("Name"))));
         viewModelNode.Children.Add(new ViewModelNode("Plugins",
                                                      LambdaViewModelContent <EffectPluginDefinition[]> .FromParent <EffectOld>(
                                                          effect => effect.Plugins.Select(plugin => new EffectPluginDefinition {
             PluginType = plugin.GetType().AssemblyQualifiedName
         }).ToArray())));
     }
 }
        public void GenerateChildren(ViewModelContext context, IViewModelNode viewModelNode, ref bool handled)
        {
            if (viewModelNode.NodeValue is RenderPassPlugin)
            {
                var pluginType = viewModelNode.NodeValue.GetType();

                foreach (var propertyInfo in pluginType.GetProperties(BindingFlags.FlattenHierarchy | BindingFlags.Public | BindingFlags.Instance))
                {
                    IViewModelContent viewModelContent = new PropertyInfoViewModelContent(new ParentNodeValueViewModelContent(), propertyInfo);

                    if (propertyInfo.PropertyType == typeof(RenderPass) || propertyInfo.PropertyType.IsSubclassOf(typeof(RenderPass)))
                    {
                        viewModelContent = LambdaViewModelContent <ViewModelReference> .FromOperand <RenderPass>(viewModelContent, x => new ViewModelReference(x, false));
                    }
                    else if (!propertyInfo.PropertyType.IsValueType || !propertyInfo.PropertyType.FullName.StartsWith("System."))
                    {
                        continue;
                    }

                    viewModelNode.Children.Add(new ViewModelNode(propertyInfo.Name, viewModelContent));
                }


                foreach (var fieldinfo in pluginType.GetFields(BindingFlags.FlattenHierarchy | BindingFlags.Public | BindingFlags.Instance))
                {
                    IViewModelContent viewModelContent = new FieldInfoViewModelContent(new ParentNodeValueViewModelContent(pluginType), fieldinfo);
                    //if (fieldinfo.FieldType.IsValueType && !fieldinfo.FieldType.IsPrimitive && !fieldinfo.FieldType.IsEnum)
                    //    viewModelContent.Flags = ViewModelFlags.None;
                    viewModelNode.Children.Add(new ViewModelNode(fieldinfo.Name, viewModelContent).GenerateChildren(context));
                }
            }
#if PARADOX_YEBIS
            else if (viewModelNode.Type.Namespace == typeof(ToneMap).Namespace &&
                     viewModelNode.Type.IsValueType && !viewModelNode.Type.IsPrimitive && !viewModelNode.Type.IsEnum)
            {
                // Use default for those types
                foreach (var fieldinfo in viewModelNode.Type.GetFields(BindingFlags.FlattenHierarchy | BindingFlags.Public | BindingFlags.Instance))
                {
                    IViewModelContent viewModelContent = new FieldInfoViewModelContent(new ParentValueViewModelContent(viewModelNode.Type), fieldinfo);
                    //if (fieldinfo.FieldType.IsValueType && !fieldinfo.FieldType.IsPrimitive && !fieldinfo.FieldType.IsEnum)
                    //    viewModelContent.Flags = ViewModelFlags.None;
                    // Doesn't support array
                    if (fieldinfo.FieldType.IsArray)
                    {
                        continue;
                    }
                    viewModelNode.Children.Add(new ViewModelNode(fieldinfo.Name, viewModelContent).GenerateChildren(context));
                }
            }
#endif
        }
        public void GenerateChildren(ViewModelContext context, IViewModelNode viewModelNode, ref bool handled)
        {
            if (viewModelNode.NodeValue is RenderPassPlugin)
            {
                viewModelNode.Children.Add(new ViewModelNode("Name", new PropertyInfoViewModelContent(new ParentNodeValueViewModelContent(), typeof(ComponentBase).GetProperty("Name"))));
                viewModelNode.Children.Add(new ViewModelNode("EventOpen", new RootViewModelContent((ExecuteCommand)((viewModel2, parameter) =>
                {
                    SelectedRenderPassPluginContext.ViewModelByGuid.Clear();
                    //SelectedRenderPassPluginContext.Root = SelectedRenderPassPluginContext.GetModelView(viewModel2.Parent.NodeValue);
                    SelectedRenderPassPluginContext.Root = new ViewModelNode("Root", new RootViewModelContent(new[] { new ViewModelReference(viewModel2.Parent.NodeValue, true) }, typeof(IList<ViewModelReference>)));
                    //SelectedRenderPassPluginContext.GetModelView(viewModel2.Parent.NodeValue);
                }))));

                handled = true;
            }
        }
        public void GenerateChildren(ViewModelContext context, IViewModelNode viewModelNode, ref bool handled)
        {
            if (viewModelNode.NodeValue is RenderPassPlugin)
            {
                viewModelNode.Children.Add(new ViewModelNode("Name", new PropertyInfoViewModelContent(new ParentNodeValueViewModelContent(), typeof(ComponentBase).GetProperty("Name"))));
                viewModelNode.Children.Add(new ViewModelNode("EventOpen", new RootViewModelContent((ExecuteCommand)((viewModel2, parameter) =>
                {
                    SelectedRenderPassPluginContext.ViewModelByGuid.Clear();
                    //SelectedRenderPassPluginContext.Root = SelectedRenderPassPluginContext.GetModelView(viewModel2.Parent.NodeValue);
                    SelectedRenderPassPluginContext.Root = new ViewModelNode("Root", new RootViewModelContent(new[] { new ViewModelReference(viewModel2.Parent.NodeValue, true) }, typeof(IList <ViewModelReference>)));
                    //SelectedRenderPassPluginContext.GetModelView(viewModel2.Parent.NodeValue);
                }))));

                handled = true;
            }
        }
        public void GenerateChildren(ViewModelContext context, IViewModelNode viewModelNode, ref bool handled)
        {
            if (viewModelNode.NodeValue is EffectBuilder)
            {
                viewModelNode.Children.Add(new ViewModelNode("Name", new PropertyInfoViewModelContent(new ParentNodeValueViewModelContent(), typeof(EffectBuilder).GetProperty("Name"))));
                viewModelNode.Children.Add(new ViewModelNode("EventOpen", new RootViewModelContent((ExecuteCommand)((viewModel2, parameter) =>
                {
                    selectedEntitiesContext.ViewModelByGuid.Clear();
                    selectedEntitiesContext.Root = selectedEntitiesContext.GetModelView(viewModel2.Parent.NodeValue);
                }))));

                viewModelNode.Children.Add(new ViewModelNode("Definition", new AsyncViewModelContent <EffectDefinition>(new ParentNodeValueViewModelContent(),
                                                                                                                        operand => new EffectDefinition
                {
                    Plugins = ((EffectBuilder)operand.Value).Plugins.Select(x =>
                    {
                        var pluginDefinition = new EffectPluginDefinition
                        {
                            PluginType = x.GetType().AssemblyQualifiedName,
                            Parameters = new Dictionary <string, EffectParameterDefinition>()
                        };
                        foreach (var property in x.GetType().GetProperties(BindingFlags.FlattenHierarchy | BindingFlags.Public | BindingFlags.Instance))
                        {
                            if (property.GetCustomAttributes(typeof(EffectDefinitionPropertyAttribute), true).Length == 0)
                            {
                                continue;
                            }

                            // Check type and do some simple conversion
                            var value = property.GetValue(x, null);
                            if (typeof(RenderPassPlugin).IsAssignableFrom(property.PropertyType))
                            {
                                value = Guid.NewGuid();
                            }
                            else if (!typeof(ShaderSource).IsAssignableFrom(property.PropertyType) &&
                                     !property.PropertyType.IsValueType)
                            {
                                throw new NotSupportedException();
                            }
                            pluginDefinition.Parameters.Add(property.Name, new EffectParameterDefinition(property.PropertyType, value));
                        }
                        return(pluginDefinition);
                    }).ToList()
                })));
                //new AsyncViewModelContent<EffectDefinition>(() => ) { LoadState = ViewModelContentState.NotLoaded, Flags = ViewModelFlags.Static | ViewModelFlags.Async | ViewModelFlags.Serialize });
            }
        }
Exemple #9
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        public void GenerateChildren(ViewModelContext context, IViewModelNode viewModelNode, ref bool handled)
        {
            if (viewModelNode.NodeValue is MicroThread)
            {
                viewModelNode.Children.Add(new ViewModelNode("Id", new PropertyInfoViewModelContent(new ParentNodeValueViewModelContent(), typeof(MicroThread).GetProperty("Id"))));
                viewModelNode.Children.Add(new ViewModelNode("Name", new PropertyInfoViewModelContent(new ParentNodeValueViewModelContent(), typeof(MicroThread).GetProperty("Name"))));
                viewModelNode.Children.Add(new ViewModelNode("ScriptName",
                                                             LambdaViewModelContent <string> .FromParent <MicroThread>(x => x.Get(ScriptManager.ScriptEntryProperty).TypeName)));

                viewModelNode.Children.Add(new ViewModelNode("EventOpen", new RootViewModelContent((ExecuteCommand)((viewModel2, parameter) =>
                {
                    selectedEntitiesContext.ViewModelByGuid.Clear();
                    selectedEntitiesContext.Root = selectedEntitiesContext.GetModelView(viewModel2.Parent.NodeValue);
                }))));
                handled = true;
            }
        }
        public void GenerateChildren(ViewModelContext context, IViewModelNode viewModelNode, ref bool handled)
        {
            if (viewModelNode.NodeValue is MicroThread)
            {
                viewModelNode.Children.Add(new ViewModelNode("Id", new PropertyInfoViewModelContent(new ParentNodeValueViewModelContent(), typeof(MicroThread).GetProperty("Id"))));
                viewModelNode.Children.Add(new ViewModelNode("Name", new PropertyInfoViewModelContent(new ParentNodeValueViewModelContent(), typeof(MicroThread).GetProperty("Name"))));
                viewModelNode.Children.Add(new ViewModelNode("ScriptName",
                    LambdaViewModelContent<string>.FromParent<MicroThread>(x => x.Get(ScriptManager.ScriptEntryProperty).TypeName)));

                viewModelNode.Children.Add(new ViewModelNode("EventOpen", new RootViewModelContent((ExecuteCommand)((viewModel2, parameter) =>
                {
                    selectedEntitiesContext.ViewModelByGuid.Clear();
                    selectedEntitiesContext.Root = selectedEntitiesContext.GetModelView(viewModel2.Parent.NodeValue);
                }))));
                handled = true;
            }
        }
        public void GenerateChildren(ViewModelContext context, IViewModelNode viewModelNode, ref bool handled)
        {
            if (viewModelNode.NodeValue is EffectBuilder)
            {
                viewModelNode.Children.Add(new ViewModelNode("Name", new PropertyInfoViewModelContent(new ParentNodeValueViewModelContent(), typeof(EffectBuilder).GetProperty("Name"))));
                viewModelNode.Children.Add(new ViewModelNode("EventOpen", new RootViewModelContent((ExecuteCommand)((viewModel2, parameter) =>
                {
                    selectedEntitiesContext.ViewModelByGuid.Clear();
                    selectedEntitiesContext.Root = selectedEntitiesContext.GetModelView(viewModel2.Parent.NodeValue);
                }))));

                viewModelNode.Children.Add(new ViewModelNode("Definition", new AsyncViewModelContent<EffectDefinition>(new ParentNodeValueViewModelContent(),
                        operand => new EffectDefinition
                                    {
                                        Plugins = ((EffectBuilder)operand.Value).Plugins.Select(x =>
                                                {
                                                    var pluginDefinition = new EffectPluginDefinition
                                                    {
                                                        PluginType = x.GetType().AssemblyQualifiedName,
                                                        Parameters = new Dictionary<string, EffectParameterDefinition>()
                                                    };
                                                    foreach (var property in x.GetType().GetProperties(BindingFlags.FlattenHierarchy | BindingFlags.Public | BindingFlags.Instance))
                                                    {
                                                        if (property.GetCustomAttributes(typeof(EffectDefinitionPropertyAttribute), true).Length == 0)
                                                            continue;

                                                        // Check type and do some simple conversion
                                                        var value = property.GetValue(x, null);
                                                        if (typeof(RenderPassPlugin).IsAssignableFrom(property.PropertyType))
                                                        {
                                                            value = Guid.NewGuid();
                                                        }
                                                        else if (!typeof(ShaderSource).IsAssignableFrom(property.PropertyType)
                                                            && !property.PropertyType.IsValueType)
                                                        {
                                                            throw new NotSupportedException();
                                                        }
                                                        pluginDefinition.Parameters.Add(property.Name, new EffectParameterDefinition(property.PropertyType, value));
                                                    }
                                                    return pluginDefinition;
                                                }).ToList()
                                    })));
                //new AsyncViewModelContent<EffectDefinition>(() => ) { LoadState = ViewModelContentState.NotLoaded, Flags = ViewModelFlags.Static | ViewModelFlags.Async | ViewModelFlags.Serialize });
            }
        }
        public void GenerateChildren(ViewModelContext context, IViewModelNode viewModelNode, ref bool handled)
        {
            if (viewModelNode.NodeValue is RenderPassPlugin)
            {
                var pluginType = viewModelNode.NodeValue.GetType();

                foreach (var propertyInfo in pluginType.GetProperties(BindingFlags.FlattenHierarchy | BindingFlags.Public | BindingFlags.Instance))
                {
                    IViewModelContent viewModelContent = new PropertyInfoViewModelContent(new ParentNodeValueViewModelContent(), propertyInfo);

                    if (propertyInfo.PropertyType == typeof(RenderPass) || propertyInfo.PropertyType.IsSubclassOf(typeof(RenderPass)))
                        viewModelContent = LambdaViewModelContent<ViewModelReference>.FromOperand<RenderPass>(viewModelContent, x => new ViewModelReference(x, false));
                    else if (!propertyInfo.PropertyType.IsValueType || !propertyInfo.PropertyType.FullName.StartsWith("System."))
                        continue;

                    viewModelNode.Children.Add(new ViewModelNode(propertyInfo.Name, viewModelContent));
                }


                foreach (var fieldinfo in pluginType.GetFields( BindingFlags.FlattenHierarchy | BindingFlags.Public | BindingFlags.Instance))
                {
                    IViewModelContent viewModelContent = new FieldInfoViewModelContent(new ParentNodeValueViewModelContent(pluginType), fieldinfo);
                    //if (fieldinfo.FieldType.IsValueType && !fieldinfo.FieldType.IsPrimitive && !fieldinfo.FieldType.IsEnum)
                    //    viewModelContent.Flags = ViewModelFlags.None;
                    viewModelNode.Children.Add(new ViewModelNode(fieldinfo.Name, viewModelContent).GenerateChildren(context));
                }
            }
#if PARADOX_YEBIS
            else if (viewModelNode.Type.Namespace == typeof(ToneMap).Namespace
                && viewModelNode.Type.IsValueType && !viewModelNode.Type.IsPrimitive && !viewModelNode.Type.IsEnum)
            {
                // Use default for those types
                foreach (var fieldinfo in viewModelNode.Type.GetFields(BindingFlags.FlattenHierarchy | BindingFlags.Public | BindingFlags.Instance))
                {
                    IViewModelContent viewModelContent = new FieldInfoViewModelContent(new ParentValueViewModelContent(viewModelNode.Type), fieldinfo);
                    //if (fieldinfo.FieldType.IsValueType && !fieldinfo.FieldType.IsPrimitive && !fieldinfo.FieldType.IsEnum)
                    //    viewModelContent.Flags = ViewModelFlags.None;
                    // Doesn't support array
                    if (fieldinfo.FieldType.IsArray)
                        continue;
                    viewModelNode.Children.Add(new ViewModelNode(fieldinfo.Name, viewModelContent).GenerateChildren(context));
                }
            }
#endif
        }
 public void GenerateChildren(ViewModelContext context, IViewModelNode viewModelNode, ref bool handled)
 {
     var type = viewModelNode.Type;
     if (viewModelNode.NodeValue is ScriptAssembly)
     {
         viewModelNode.Children.Add(new ViewModelNode("Url", new PropertyInfoViewModelContent(new ParentNodeValueViewModelContent(), typeof(ScriptAssembly).GetProperty("Url"))));
         viewModelNode.Children.Add(new ViewModelNode("Scripts", EnumerableViewModelContent.FromUnaryLambda<ViewModelReference, ScriptAssembly>(new ParentNodeValueViewModelContent(),
             (scriptAssembly) => scriptAssembly.Scripts.Select(x => new ViewModelReference(x, true)))));
         handled = true;
     }
     if (viewModelNode.NodeValue is ScriptEntry2)
     {
         viewModelNode.Children.Add(new ViewModelNode("TypeName", new PropertyInfoViewModelContent(new ParentNodeValueViewModelContent(), typeof(ScriptEntry2).GetProperty("TypeName"))));
         viewModelNode.Children.Add(new ViewModelNode("MethodName", new PropertyInfoViewModelContent(new ParentNodeValueViewModelContent(), typeof(ScriptEntry2).GetProperty("MethodName"))));
         viewModelNode.Children.Add(new ViewModelNode("Run", new RootViewModelContent((ExecuteCommand)((viewModel2, parameter) =>
             {
                 var scriptEntry = (ScriptEntry2)viewModel2.Parent.NodeValue;
                 var microThread = engineContext.ScriptManager.RunScript(scriptEntry, null);
             }))));
         handled = true;
     }
 }
Exemple #14
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        public void GenerateChildren(ViewModelContext context, IViewModelNode viewModelNode, ref bool handled)
        {
            var type = viewModelNode.Type;

            if (viewModelNode.NodeValue is ScriptAssembly)
            {
                viewModelNode.Children.Add(new ViewModelNode("Url", new PropertyInfoViewModelContent(new ParentNodeValueViewModelContent(), typeof(ScriptAssembly).GetProperty("Url"))));
                viewModelNode.Children.Add(new ViewModelNode("Scripts", EnumerableViewModelContent.FromUnaryLambda <ViewModelReference, ScriptAssembly>(new ParentNodeValueViewModelContent(),
                                                                                                                                                        (scriptAssembly) => scriptAssembly.Scripts.Select(x => new ViewModelReference(x, true)))));
                handled = true;
            }
            if (viewModelNode.NodeValue is ScriptEntry2)
            {
                viewModelNode.Children.Add(new ViewModelNode("TypeName", new PropertyInfoViewModelContent(new ParentNodeValueViewModelContent(), typeof(ScriptEntry2).GetProperty("TypeName"))));
                viewModelNode.Children.Add(new ViewModelNode("MethodName", new PropertyInfoViewModelContent(new ParentNodeValueViewModelContent(), typeof(ScriptEntry2).GetProperty("MethodName"))));
                viewModelNode.Children.Add(new ViewModelNode("Run", new RootViewModelContent((ExecuteCommand)((viewModel2, parameter) =>
                {
                    var scriptEntry = (ScriptEntry2)viewModel2.Parent.NodeValue;
                    var microThread = engineContext.ScriptManager.RunScript(scriptEntry, null);
                }))));
                handled = true;
            }
        }
Exemple #15
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        public void GenerateChildren(ViewModelContext context, IViewModelNode viewModelNode, ref bool handled)
        {
            if (viewModelNode.NodeValue is Entity)
            {
                viewModelNode.Children.Add(new ViewModelNode("Name", new PropertyInfoViewModelContent(new ParentNodeValueViewModelContent(), typeof(Entity).GetProperty("Name"))));
                viewModelNode.Children.Add(new ViewModelNode("Guid", new PropertyInfoViewModelContent(new ParentNodeValueViewModelContent(), typeof(Entity).GetProperty("Guid"))));
                viewModelNode.Children.Add(new ViewModelNode("IsSelected", new PropertyKeyViewModelContent(new ParentNodeValueViewModelContent(), isSelectedProperty)));
                viewModelNode.Children.Add(new ViewModelNode("ParentReference", LambdaViewModelContent <ViewModelReference> .FromParent <Entity>(x =>
                {
                    var transformationComponent = x.Transformation;
                    var parent = transformationComponent != null ? transformationComponent.Parent : null;
                    return(new ViewModelReference(parent != null ? parent.Entity : null));
                })));
                viewModelNode.Children.Add(new ViewModelNode("HierarchicalEntities", EnumerableViewModelContent.FromUnaryLambda <ViewModelReference, Entity>(new ParentNodeValueViewModelContent(),
                                                                                                                                                             (entity) =>
                {
                    var result = Enumerable.Empty <ViewModelReference>();

                    // Enumerates children nodes
                    var transformationComponent = entity.Transformation;
                    if (transformationComponent != null)
                    {
                        result = result.Concat(transformationComponent.Children
                                               .Select(x => new ViewModelReference(x.Entity, true)));
                    }

                    // Enumerates EffectMesh
                    var meshComponent = entity.Get(ModelComponent.Key);
                    if (meshComponent != null && meshComponent.InstantiatedSubMeshes != null)
                    {
                        result = result.Concat(meshComponent.InstantiatedSubMeshes.Select((x, i) =>
                        {
                            effectMeshIndices.GetOrCreateValue(x.Value).Index = i;
                            return(new ViewModelReference(x.Value, true));
                        }));
                    }

                    return(result);
                })));

                viewModelNode.Children.Add(new ViewModelNode("EventOpen", new RootViewModelContent((ExecuteCommand)((viewModel2, parameter) =>
                {
                    ScriptDebug.SelectEntity((Entity)viewModel2.Parent.NodeValue);
                }))));

                viewModelNode.Children.Add(new ViewModelNode("CreateNewEntity", new RootViewModelContent((ExecuteCommand)((viewModel2, parameter) =>
                {
                    var entity = (Entity)viewModel2.Parent.NodeValue;
                    var newEntity = new Entity("New Entity");
                    entity.Transformation.Children.Add(newEntity.Transformation);
                }))));

                viewModelNode.Children.Add(new ViewModelNode("Remove", new RootViewModelContent((ExecuteCommand)((viewModel2, parameter) =>
                {
                    var entity = (Entity)viewModel2.Parent.NodeValue;
                    EntitySystem.Remove(entity);
                }))));

                handled = true;
            }
            else if (viewModelNode.NodeValue is EffectMesh)
            {
                viewModelNode.Children.Add(new ViewModelNode("Name", new LambdaViewModelContent <string>(new NullViewModelContent(), (content) =>
                {
                    var effectMesh = (EffectMesh)content.OwnerNode.Parent.NodeValue;
                    var result     = effectMeshIndices.GetOrCreateValue(effectMesh).Index.ToString();
                    if (effectMesh.Name != null)
                    {
                        result += " - " + effectMesh.Name;
                    }

                    return(result);
                })));

                viewModelNode.Children.Add(new ViewModelNode("EventOpen", new RootViewModelContent((ExecuteCommand)((viewModel2, parameter) =>
                {
                    selectedEntitiesContext.ViewModelByGuid.Clear();
                    selectedEntitiesContext.Root = new ViewModelNode("Root", new RootViewModelContent(new[] { new ViewModelReference(viewModel2.Parent.NodeValue, true) }, typeof(IList <ViewModelReference>)));
                }))));

                handled = true;
            }
        }
        /// <summary>
        /// Display components that are tagged with the <see cref="DisplayAttribute"/>.
        /// </summary>
        /// <param name="context">Context of the view model.</param>
        /// <param name="viewModel">The current view model</param>
        /// <param name="component">The entity component to display</param>
        private void AutoDisplayComponent(ViewModelContext context, IViewModelNode viewModel, EntityComponent component)
        {
            var displayComp = DisplayAttribute.GetDisplay(component.GetType());

            if (displayComp == null)
            {
                return;
            }

            var componentViewModel = viewModel.GetChildrenByName("Component");

            if (componentViewModel == null)
            {
                return;
            }

            // Change the name of the component being displayed
            if (!string.IsNullOrEmpty(displayComp.Name))
            {
                var componentName = viewModel.GetChildrenByName("PropertyKeyName");
                if (componentName != null)
                {
                    componentName.Value = displayComp.Name;
                }
            }

            var propertyToDisplay = new List <Tuple <DisplayAttribute, ViewModelNode> >();
            var memberInfos       = new List <MemberInfo>();

            memberInfos.AddRange(component.GetType().GetProperties());
            memberInfos.AddRange(component.GetType().GetFields());

            // Process fields and properties
            foreach (var property in memberInfos)
            {
                var display = DisplayAttribute.GetDisplay(property);
                if (display == null)
                {
                    continue;
                }

                IViewModelContent modelContent = null;
                object            modelValue   = null;

                var propertyInfo = property as PropertyInfo;
                if (propertyInfo != null)
                {
                    if (typeof(ParameterCollection).IsAssignableFrom(propertyInfo.PropertyType))
                    {
                        modelValue = propertyInfo.GetValue(component, null);
                    }
                    else
                    {
                        modelContent = new PropertyInfoViewModelContent(new ParentNodeValueViewModelContent(), propertyInfo);
                    }
                }

                var fieldInfo = property as FieldInfo;
                if (fieldInfo != null)
                {
                    if (typeof(ParameterCollection).IsAssignableFrom(fieldInfo.FieldType))
                    {
                        modelValue = fieldInfo.GetValue(component);
                    }
                    else
                    {
                        modelContent = new FieldInfoViewModelContent(new ParentNodeValueViewModelContent(), fieldInfo);
                    }
                }

                var propertyViewModel = modelValue != null ? new ViewModelNode(display.Name ?? property.Name, modelValue) : new ViewModelNode(display.Name ?? property.Name, modelContent);
                propertyViewModel.GenerateChildren(context);
                propertyToDisplay.Add(new Tuple <DisplayAttribute, ViewModelNode>(display, propertyViewModel));
            }

            foreach (var item in propertyToDisplay.OrderBy((left) => left.Item1.Order))
            {
                componentViewModel.Children.Add(item.Item2);
            }
        }
        public void GenerateChildren(ViewModelContext context, IViewModelNode viewModelNode, ref bool handled)
        {
            bool handleValueType = false;

            if (viewModelNode.NodeValue is MicroThread)
            {
                var microThread = (MicroThread)viewModelNode.NodeValue;
                var script      = microThread.Get(ScriptManager.ScriptProperty);

                viewModelNode.Content = new EnumerableViewModelContent <ViewModelReference>(() => new[] { new ViewModelReference(script, true) });

                handled = true;
            }
            else if (viewModelNode.NodeValue is IScript)
            {
                var script = (IScript)viewModelNode.NodeValue;

                // Expose all variables of IScript (defined by user)
                foreach (var property in script.GetType().GetProperties())
                {
                    if (property.PropertyType != typeof(int) && property.PropertyType != typeof(float))
                    {
                        continue;
                    }

                    viewModelNode.Children.Add(new ViewModelNode(property.Name, new PropertyInfoViewModelContent(new ParentNodeValueViewModelContent(), property)));
                }
                handled = true;
            }
            else if (viewModelNode.NodeValue is Entity)
            {
                ViewModelNode componentsViewModelNode;

                viewModelNode.Children.Add(new ViewModelNode("Name", new PropertyInfoViewModelContent(new ParentNodeValueViewModelContent(), typeof(Entity).GetProperty("Name"))));
                viewModelNode.Children.Add(new ViewModelNode("Guid", new PropertyInfoViewModelContent(new ParentNodeValueViewModelContent(), typeof(Entity).GetProperty("Guid"))));
                viewModelNode.Children.Add(componentsViewModelNode = new ViewModelNode("Components", EnumerableViewModelContent.FromUnaryLambda <ViewModelReference, Entity>(new ParentNodeValueViewModelContent(),
                                                                                                                                                                             (entity) => entity.Properties
                                                                                                                                                                             .Select(x => x.Value)
                                                                                                                                                                             .OfType <EntityComponent>()
                                                                                                                                                                             .Select(x => new ViewModelReference(x, true)))));

                var availableKeysContent = new RootViewModelContent(null, typeof(string[]));
                componentsViewModelNode.Children.Add(new ViewModelNode("AvailableKeys", availableKeysContent));

                componentsViewModelNode.Children.Add(new ViewModelNode("RequestKeys", new RootViewModelContent((ExecuteCommand)((viewModel2, parameter) =>
                {
                    var availableComponentKeys = new List <string>();

                    // TODO: Improve component keys enumeration (maybe need a registry?)
                    // For now, scan assemblies for all types inheriting from EntityComponent
                    foreach (var assembly in AppDomain.CurrentDomain.GetAssemblies())
                    {
                        foreach (var type in assembly.GetTypes())
                        {
                            if (type.IsSubclassOf(typeof(EntityComponent)) &&
                                type.GetField("Key", BindingFlags.Public | BindingFlags.Static | BindingFlags.FlattenHierarchy) != null)
                            {
                                availableComponentKeys.Add(type.AssemblyQualifiedName);
                            }
                        }
                    }

                    availableKeysContent.Value = availableComponentKeys.ToArray();
                }))));

                componentsViewModelNode.Children.Add(new ViewModelNode("Add", new RootViewModelContent((ExecuteCommand)((viewModel2, parameter) =>
                {
                    var entity = (Entity)viewModel2.Parent.Parent.NodeValue;
                    var componentType = Type.GetType((string)parameter);

                    // For now, assume it will be stored in a PropertyKey inside the actual component named "Key"
                    var componentKeyField = componentType.GetField("Key", BindingFlags.Public | BindingFlags.Static | BindingFlags.FlattenHierarchy);
                    entity.SetObject((PropertyKey)componentKeyField.GetValue(null), Activator.CreateInstance(componentType));
                }))));

                handled = true;
            }
            else if (viewModelNode.NodeValue is EntityComponent)
            {
                viewModelNode.PropertyName = "EntityComponent";
                var component = (EntityComponent)viewModelNode.NodeValue;
                // Would be better higher in the hierarchy, but it would complicate model
                var propertyKey     = component.Entity.Properties.First(x => x.Value == component).Key;
                var propertyKeyName = propertyKey.OwnerType.Name;
                viewModelNode.Children.Add(new ViewModelNode("PropertyKeyName", new RootViewModelContent(propertyKeyName)));
                viewModelNode.Children.Add(new ViewModelNode("Remove", new RootViewModelContent((ExecuteCommand)((viewModel2, parameter) =>
                {
                    component.Entity.SetObject(propertyKey, null);
                }))));

                var componentViewModel = new ViewModelNode("Component", component);
                viewModelNode.Children.Add(componentViewModel);
                if (component is TransformationComponent)
                {
                    componentViewModel.Children.Add(new ViewModelNode("WorldMatrix", new FieldInfoViewModelContent(new ParentNodeValueViewModelContent(), typeof(TransformationComponent).GetField("WorldMatrix"))).GenerateChildren(context));

                    // TODO: How to switch view model depending on TransformationComponent.Values type? Or should we always expose everything?
                    componentViewModel.Children.Add(new ViewModelNode("LocalMatrix", new FieldInfoViewModelContent(new PropertyInfoViewModelContent(new ParentNodeValueViewModelContent(), typeof(TransformationComponent).GetProperty("Value")), typeof(TransformationValue).GetField("LocalMatrix"))).GenerateChildren(context));

                    //if (((TransformationComponent)component).Values is TransformationTRS)
                    {
                        componentViewModel.Children.Add(new ViewModelNode("Translation", new FieldInfoViewModelContent(new PropertyInfoViewModelContent(new ParentNodeValueViewModelContent(), typeof(TransformationComponent).GetProperty("Value")), typeof(TransformationTRS).GetField("Translation"))).GenerateChildren(context));
                        componentViewModel.Children.Add(new ViewModelNode("Rotation", new FieldInfoViewModelContent(new PropertyInfoViewModelContent(new ParentNodeValueViewModelContent(), typeof(TransformationComponent).GetProperty("Value")), typeof(TransformationTRS).GetField("Rotation"))).GenerateChildren(context));
                        componentViewModel.Children.Add(new ViewModelNode("Scaling", new FieldInfoViewModelContent(new PropertyInfoViewModelContent(new ParentNodeValueViewModelContent(), typeof(TransformationComponent).GetProperty("Value")), typeof(TransformationTRS).GetField("Scaling"))).GenerateChildren(context));
                    }

                    componentViewModel.Children.Add(new ViewModelNode("Parent", LambdaViewModelContent <ViewModelReference> .FromOperand <EntityComponent>(new ParentNodeValueViewModelContent(), x => new ViewModelReference(x.Entity, false))));
                    componentViewModel.Children.Last().Children.Add(new ViewModelNode("SetAsRoot", new RootViewModelContent((ExecuteCommand)((viewModel2, parameter) =>
                    {
                        context.ViewModelByGuid.Clear();
                        context.Root = context.GetModelView(((TransformationComponent)component).Parent.Entity).Children.First(x => x.PropertyName == "Components");
                    }))));
                }
                if (component is ModelComponent)
                {
                    componentViewModel.Children.Add(new ViewModelNode("Parameters", ((ModelComponent)component).MeshParameters).GenerateChildren(context));
                    //componentViewModel.Children.Add(new ViewModelNode(
                    //    "MeshParameters",
                    //    EnumerableViewModelContent.FromUnaryLambda<ViewModelReference, ModelComponent>(
                    //        new ParentNodeValueViewModelContent(),
                    //        (ModelComponent) => ModelComponent.MeshParameters.Keys.Select(key => new ViewModelReference(Tuple.Create(ModelComponent.MeshParameters, key), true)))));
                }
                if (component is LightComponent)
                {
                    componentViewModel.Children.Add(new ViewModelNode("Type", new PropertyInfoViewModelContent(new ParentNodeValueViewModelContent(), typeof(LightComponent).GetProperty("Type"))).GenerateChildren(context));
                    componentViewModel.Children.Add(new ViewModelNode("ShadowMap", new PropertyInfoViewModelContent(new ParentNodeValueViewModelContent(), typeof(LightComponent).GetProperty("ShadowMap"))).GenerateChildren(context));
                    componentViewModel.Children.Add(new ViewModelNode("Deferred", new PropertyInfoViewModelContent(new ParentNodeValueViewModelContent(), typeof(LightComponent).GetProperty("Deferred"))).GenerateChildren(context));
                    componentViewModel.Children.Add(new ViewModelNode("Intensity", new PropertyInfoViewModelContent(new ParentNodeValueViewModelContent(), typeof(LightComponent).GetProperty("Intensity"))).GenerateChildren(context));
                    componentViewModel.Children.Add(new ViewModelNode("DecayStart", new PropertyInfoViewModelContent(new ParentNodeValueViewModelContent(), typeof(LightComponent).GetProperty("DecayStart"))).GenerateChildren(context));
                    componentViewModel.Children.Add(new ViewModelNode("Color", new PropertyInfoViewModelContent(new ParentNodeValueViewModelContent(), typeof(LightComponent).GetProperty("Color"))).GenerateChildren(context));
                    componentViewModel.Children.Add(new ViewModelNode("LightDirection", new PropertyInfoViewModelContent(new ParentNodeValueViewModelContent(), typeof(LightComponent).GetProperty("LightDirection"))).GenerateChildren(context));
                }
                if (component is LightShaftsComponent)
                {
                    componentViewModel.Children.Add(new ViewModelNode("Color", new PropertyInfoViewModelContent(new ParentNodeValueViewModelContent(), typeof(LightShaftsComponent).GetProperty("Color"))).GenerateChildren(context));
                    //componentViewModel.Children.Add(new ViewModelNode("LightShaftsBoundingBoxes", new PropertyInfoViewModelContent(new ParentNodeValueViewModelContent(), typeof(LightShaftsComponent).GetProperty("LightShaftsBoundingBoxes"))).GenerateChildren(context));
                }

                // Else try to display it using auto-display
                AutoDisplayComponent(context, viewModelNode, component);

                handled = true;
            }
            else if (viewModelNode.NodeValue is ParameterCollection)
            {
                viewModelNode.Content = EnumerableViewModelContent.FromUnaryLambda <ViewModelReference, ParameterCollection>(new NodeValueViewModelContent(), (parameterCollection) =>
                                                                                                                             parameterCollection.Keys.Where(key => key.PropertyType.IsValueType).Select(key =>
                {
                    if (key.PropertyType.IsValueType)
                    {
                        // For value type, generated tree won't change so make value based on key only.
                        return(new ViewModelReference(Tuple.Create(parameterCollection, key), true));
                    }
                    else
                    {
                        // TODO: resources currently ignored (until fixed)

                        // For reference type, make value dependent on actual value reference and source.
                        // This will trigger a regeneration for reference change (i.e. new texture bound).
                        // Useful since asset type/state might be different.
                        var value       = parameterCollection.GetObject(key);
                        var valueSource = engineContext.AssetManager.Url.Get(value);
                        return(new ViewModelReference(Tuple.Create(parameterCollection, key, valueSource), true));
                    }
                }));

                var availableKeysContent = new RootViewModelContent(null, typeof(string[]));
                viewModelNode.Children.Add(new ViewModelNode("AvailableKeys", availableKeysContent));

                viewModelNode.Children.Add(new ViewModelNode("RequestKeys", new RootViewModelContent((ExecuteCommand)((viewModel2, parameter) =>
                {
                    var parameterCollection = (ParameterCollection)viewModel2.Parent.NodeValue;
                    var effectMesh = viewModel2.Parent.Parent.NodeValue as EffectMesh;
                    if (effectMesh != null)
                    {
                        var availableKeys = effectMesh.Effect.Passes.SelectMany(x => x.DefaultParameters.Parameters.Select(y => y.Key)).Distinct().Where(x => !parameterCollection.IsValueOwner(x)).Select(x => x.Name).ToArray();
                        availableKeysContent.Value = availableKeys;
                    }
                }))));

                viewModelNode.Children.Add(new ViewModelNode("Add", new RootViewModelContent((ExecuteCommand)((viewModel2, parameter) =>
                {
                    var effectMesh = viewModel2.Parent.Parent.NodeValue as EffectMesh;
                    if (effectMesh != null)
                    {
                        var key = effectMesh.Effect.Passes.SelectMany(x => x.DefaultParameters.Parameters.Select(y => y.Key)).FirstOrDefault(x => x.Name == (string)parameter);
                        if (key != null)
                        {
                            effectMesh.Parameters.SetDefault(key);
                        }
                    }
                }))));
            }
            else if (viewModelNode.NodeValue is EffectMesh)
            {
                viewModelNode.PropertyName = "Mesh";
                viewModelNode.Children.Add(new ViewModelNode("Effect", LambdaViewModelContent <string> .FromParent <EffectMesh>(x => x.EffectMeshData.EffectData.Name, (x, effectName) => x.EffectMeshData.EffectData.Name = effectName)));
                viewModelNode.Children.Add(new ViewModelNode("Parameters", ((EffectMesh)viewModelNode.NodeValue).Parameters).GenerateChildren(context));
                //viewModelNode.Children.Add(new ViewModelNode("MeshData", LambdaViewModelContent<ViewModelReference>.FromParent<MeshData>(effectMeshData => new ViewModelReference(effectMeshData.MeshData, true))));
                handled = true;
            }
            else if (viewModelNode.NodeValue is ContentData || typeof(ContentData).IsAssignableFrom(viewModelNode.Type))
            {
                if (viewModelNode.NodeValue is ContentData)
                {
                    viewModelNode.Content = new NodeValueViewModelContent();
                }

                if (viewModelNode.Value != null)
                {
                    viewModelNode.Children.Add(new ViewModelNode("Url", new LambdaViewModelContent <string>(new ParentValueViewModelContent(),
                                                                                                            x => engineContext.AssetManager.Url.Get((x.Value)),
                                                                                                            (x, y) =>
                    {
                        var nodeValue = x.OwnerNode.Parent.NodeValue;
                    })));

                    viewModelNode.Children.Add(new ViewModelNode("ChangeUrl", new RootViewModelContent((ExecuteCommand)(async(viewModel2, parameter) =>
                    {
                        var dropParameters = (DropCommandParameters)parameter;
                        var parameterInfo = (Tuple <ParameterCollection, ParameterKey, ContentData>)viewModel2.Parent.Parent.NodeValue;

                        var parameterCollection = parameterInfo.Item1;

                        var textureData = await engineContext.AssetManager.LoadAsync <Image>((string)dropParameters.Data);
                        //parameter.Item1.SetObject(parameter.Item2, );
                        //parameterCollection.Remove(parameterInfo.Item2);

                        //var texture = engineContext.ContentManager.Convert<ITexture, Image>(textureData);
                        Texture texture;
                        throw new NotImplementedException();

                        parameterCollection.SetObject(parameterInfo.Item2, texture);
                    }))));

                    if (viewModelNode.Type == typeof(Image))
                    {
                        Image        thumbnail   = null;
                        Task <Image> textureData = null;

                        viewModelNode.Children.Add(new ViewModelNode("Thumbnail", new LambdaViewModelContent <Image>(new ParentValueViewModelContent(), (viewModelContent) =>
                        {
                            if (textureData == null)
                            {
                                var textureDataNew = viewModelContent.Value as Image;
                                if (engineContext.AssetManager.Url.Get(textureDataNew) != null)
                                {
                                    textureData = engineContext.AssetManager.LoadAsync <Image>(engineContext.AssetManager.Url.Get(textureDataNew));
                                    textureData.ContinueWith(task =>
                                    {
                                        thumbnail = task.Result;
                                        viewModelContent.OwnerNode.Content.SerializeFlags |= ViewModelContentSerializeFlags.Static;
                                    });
                                }
                            }
                            return(thumbnail);
                        })));
                    }
                }

                handled = true;
            }
            else if (viewModelNode.NodeValue is MeshData)
            {
                handled = true;
            }
            else if (viewModelNode.NodeValue is Tuple <ParameterCollection, ParameterKey, ContentData> )
            {
                var value = (Tuple <ParameterCollection, ParameterKey, ContentData>)viewModelNode.NodeValue;

                // Ignore namespace and class name for key name
                viewModelNode.PropertyName = value.Item2.Name;
                if (viewModelNode.PropertyName.Contains('.'))
                {
                    viewModelNode.PropertyName = viewModelNode.PropertyName.Substring(viewModelNode.PropertyName.LastIndexOf('.') + 1);
                }

                viewModelNode.Content = new NullViewModelContent(typeof(Image));
                if (value.Item3 != null)
                {
                    viewModelNode.Children.Add(new ViewModelNode("ObjectRef", new RootViewModelContent(value.Item3)
                    {
                        SerializeFlags = ViewModelContentSerializeFlags.None
                    }).GenerateChildren(context));
                }
                handled = true;
            }
            else if (viewModelNode.NodeValue is Tuple <ParameterCollection, ParameterKey> )
            {
                var value = (Tuple <ParameterCollection, ParameterKey>)viewModelNode.NodeValue;

                // Ignore namespace and class name for key name
                viewModelNode.PropertyName = value.Item2.Name;
                if (viewModelNode.PropertyName.Contains('.'))
                {
                    viewModelNode.PropertyName = viewModelNode.PropertyName.Substring(viewModelNode.PropertyName.LastIndexOf('.') + 1);
                }

                if (value.Item2.PropertyType.IsValueType)
                {
                    viewModelNode.Content =
                        new LambdaViewModelContent <object>(() => value.Item1.GetObject(value.Item2), newValue => value.Item1.SetObject(value.Item2, newValue))
                    {
                        Type = value.Item2.PropertyType
                    };

                    handleValueType = true;
                }
                handled = true;
            }
            else if (viewModelNode.Type == typeof(Matrix) || viewModelNode.Type == typeof(Vector3) || viewModelNode.Type == typeof(Color))
            {
                handled = true;
            }
            else if (viewModelNode.Type.IsValueType)
            {
                handleValueType = true;
            }

            if (handleValueType)
            {
                if (!(viewModelNode.Type == typeof(Matrix) || viewModelNode.Type == typeof(Vector3) || viewModelNode.Type == typeof(Color) || viewModelNode.Type == typeof(Color3)))
                {
                    if (viewModelNode.Type.IsValueType && !viewModelNode.Type.IsPrimitive && !viewModelNode.Type.IsEnum)
                    {
                        viewModelNode.Content.SerializeFlags = ViewModelContentSerializeFlags.None;
                        // Use default for those types
                        foreach (var fieldinfo in viewModelNode.Type.GetFields(BindingFlags.FlattenHierarchy | BindingFlags.Public | BindingFlags.Instance))
                        {
                            IViewModelContent viewModelContent = new FieldInfoViewModelContent(new ParentValueViewModelContent(viewModelNode.Type), fieldinfo);
                            //if (fieldinfo.FieldType.IsValueType && !fieldinfo.FieldType.IsPrimitive && !fieldinfo.FieldType.IsEnum)
                            //    viewModelContent.Flags = ViewModelFlags.None;
                            // Doesn't support array
                            if (fieldinfo.FieldType.IsArray)
                            {
                                continue;
                            }
                            viewModelNode.Children.Add(new ViewModelNode(fieldinfo.Name, viewModelContent).GenerateChildren(context));
                        }
                        handled = true;
                    }
                }
            }
        }
 public void GenerateChildren(ViewModelContext context, IViewModelNode viewModelNode, ref bool handled)
 {
     throw new NotImplementedException();
 }
        public void GenerateChildren(ViewModelContext context, IViewModelNode viewModelNode, ref bool handled)
        {
            bool handleValueType = false;

            if (viewModelNode.NodeValue is MicroThread)
            {
                var microThread = (MicroThread)viewModelNode.NodeValue;
                var script = microThread.Get(ScriptManager.ScriptProperty);

                viewModelNode.Content = new EnumerableViewModelContent<ViewModelReference>(() => new[] { new ViewModelReference(script, true) });

                handled = true;
            }
            else if (viewModelNode.NodeValue is IScript)
            {
                var script = (IScript)viewModelNode.NodeValue;

                // Expose all variables of IScript (defined by user)
                foreach (var property in script.GetType().GetProperties())
                {
                    if (property.PropertyType != typeof(int) && property.PropertyType != typeof(float))
                        continue;

                    viewModelNode.Children.Add(new ViewModelNode(property.Name, new PropertyInfoViewModelContent(new ParentNodeValueViewModelContent(), property)));
                }
                handled = true;
            }
            else if (viewModelNode.NodeValue is Entity)
            {
                ViewModelNode componentsViewModelNode;

                viewModelNode.Children.Add(new ViewModelNode("Name", new PropertyInfoViewModelContent(new ParentNodeValueViewModelContent(), typeof(Entity).GetProperty("Name"))));
                viewModelNode.Children.Add(new ViewModelNode("Guid", new PropertyInfoViewModelContent(new ParentNodeValueViewModelContent(), typeof(Entity).GetProperty("Guid"))));
                viewModelNode.Children.Add(componentsViewModelNode = new ViewModelNode("Components", EnumerableViewModelContent.FromUnaryLambda<ViewModelReference, Entity>(new ParentNodeValueViewModelContent(), 
                    (entity) => entity.Properties
                                        .Select(x => x.Value)
                                        .OfType<EntityComponent>()
                                        .Select(x => new ViewModelReference(x, true)))));

                var availableKeysContent = new RootViewModelContent(null, typeof(string[]));
                componentsViewModelNode.Children.Add(new ViewModelNode("AvailableKeys", availableKeysContent));

                componentsViewModelNode.Children.Add(new ViewModelNode("RequestKeys", new RootViewModelContent((ExecuteCommand)((viewModel2, parameter) =>
                    {
                        var availableComponentKeys = new List<string>();

                        // TODO: Improve component keys enumeration (maybe need a registry?)
                        // For now, scan assemblies for all types inheriting from EntityComponent
                        foreach (var assembly in AppDomain.CurrentDomain.GetAssemblies())
                        {
                            foreach (var type in assembly.GetTypes())
                            {
                                if (type.IsSubclassOf(typeof(EntityComponent))
                                    && type.GetField("Key", BindingFlags.Public | BindingFlags.Static | BindingFlags.FlattenHierarchy) != null)
                                {
                                    availableComponentKeys.Add(type.AssemblyQualifiedName);
                                }
                            }
                        }

                        availableKeysContent.Value = availableComponentKeys.ToArray();
                    }))));

                componentsViewModelNode.Children.Add(new ViewModelNode("Add", new RootViewModelContent((ExecuteCommand)((viewModel2, parameter) =>
                    {
                        var entity = (Entity)viewModel2.Parent.Parent.NodeValue;
                        var componentType = Type.GetType((string)parameter);
                        
                        // For now, assume it will be stored in a PropertyKey inside the actual component named "Key"
                        var componentKeyField = componentType.GetField("Key", BindingFlags.Public | BindingFlags.Static | BindingFlags.FlattenHierarchy);
                        entity.SetObject((PropertyKey)componentKeyField.GetValue(null), Activator.CreateInstance(componentType));
                    }))));

                handled = true;
            }
            else if (viewModelNode.NodeValue is EntityComponent)
            {
                viewModelNode.PropertyName = "EntityComponent";
                var component = (EntityComponent)viewModelNode.NodeValue;
                // Would be better higher in the hierarchy, but it would complicate model
                var propertyKey = component.Entity.Properties.First(x => x.Value == component).Key;
                var propertyKeyName = propertyKey.OwnerType.Name;
                viewModelNode.Children.Add(new ViewModelNode("PropertyKeyName", new RootViewModelContent(propertyKeyName)));
                viewModelNode.Children.Add(new ViewModelNode("Remove", new RootViewModelContent((ExecuteCommand)((viewModel2, parameter) =>
                {
                    component.Entity.SetObject(propertyKey, null);
                }))));

                var componentViewModel = new ViewModelNode("Component", component);
                viewModelNode.Children.Add(componentViewModel);
                if (component is TransformationComponent)
                {
                    componentViewModel.Children.Add(new ViewModelNode("WorldMatrix", new FieldInfoViewModelContent(new ParentNodeValueViewModelContent(), typeof(TransformationComponent).GetField("WorldMatrix"))).GenerateChildren(context));

                    // TODO: How to switch view model depending on TransformationComponent.Values type? Or should we always expose everything?
                    componentViewModel.Children.Add(new ViewModelNode("LocalMatrix", new FieldInfoViewModelContent(new PropertyInfoViewModelContent(new ParentNodeValueViewModelContent(), typeof(TransformationComponent).GetProperty("Value")), typeof(TransformationValue).GetField("LocalMatrix"))).GenerateChildren(context));

                    //if (((TransformationComponent)component).Values is TransformationTRS)
                    {
                        componentViewModel.Children.Add(new ViewModelNode("Translation", new FieldInfoViewModelContent(new PropertyInfoViewModelContent(new ParentNodeValueViewModelContent(), typeof(TransformationComponent).GetProperty("Value")), typeof(TransformationTRS).GetField("Translation"))).GenerateChildren(context));
                        componentViewModel.Children.Add(new ViewModelNode("Rotation", new FieldInfoViewModelContent(new PropertyInfoViewModelContent(new ParentNodeValueViewModelContent(), typeof(TransformationComponent).GetProperty("Value")), typeof(TransformationTRS).GetField("Rotation"))).GenerateChildren(context));
                        componentViewModel.Children.Add(new ViewModelNode("Scaling", new FieldInfoViewModelContent(new PropertyInfoViewModelContent(new ParentNodeValueViewModelContent(), typeof(TransformationComponent).GetProperty("Value")), typeof(TransformationTRS).GetField("Scaling"))).GenerateChildren(context));
                    }

                    componentViewModel.Children.Add(new ViewModelNode("Parent", LambdaViewModelContent<ViewModelReference>.FromOperand<EntityComponent>(new ParentNodeValueViewModelContent(), x => new ViewModelReference(x.Entity, false))));
                    componentViewModel.Children.Last().Children.Add(new ViewModelNode("SetAsRoot", new RootViewModelContent((ExecuteCommand)((viewModel2, parameter) =>
                        {
                            context.ViewModelByGuid.Clear();
                            context.Root = context.GetModelView(((TransformationComponent)component).Parent.Entity).Children.First(x => x.PropertyName == "Components");
                        }))));
                }
                if (component is ModelComponent)
                {
                    componentViewModel.Children.Add(new ViewModelNode("Parameters", ((ModelComponent)component).MeshParameters).GenerateChildren(context));
                    //componentViewModel.Children.Add(new ViewModelNode(
                    //    "MeshParameters",
                    //    EnumerableViewModelContent.FromUnaryLambda<ViewModelReference, ModelComponent>(
                    //        new ParentNodeValueViewModelContent(),
                    //        (ModelComponent) => ModelComponent.MeshParameters.Keys.Select(key => new ViewModelReference(Tuple.Create(ModelComponent.MeshParameters, key), true)))));
                }
                if (component is LightComponent)
                {
                    componentViewModel.Children.Add(new ViewModelNode("Type", new PropertyInfoViewModelContent(new ParentNodeValueViewModelContent(), typeof(LightComponent).GetProperty("Type"))).GenerateChildren(context));
                    componentViewModel.Children.Add(new ViewModelNode("ShadowMap", new PropertyInfoViewModelContent(new ParentNodeValueViewModelContent(), typeof(LightComponent).GetProperty("ShadowMap"))).GenerateChildren(context));
                    componentViewModel.Children.Add(new ViewModelNode("Deferred", new PropertyInfoViewModelContent(new ParentNodeValueViewModelContent(), typeof(LightComponent).GetProperty("Deferred"))).GenerateChildren(context));
                    componentViewModel.Children.Add(new ViewModelNode("Intensity", new PropertyInfoViewModelContent(new ParentNodeValueViewModelContent(), typeof(LightComponent).GetProperty("Intensity"))).GenerateChildren(context));
                    componentViewModel.Children.Add(new ViewModelNode("DecayStart", new PropertyInfoViewModelContent(new ParentNodeValueViewModelContent(), typeof(LightComponent).GetProperty("DecayStart"))).GenerateChildren(context));
                    componentViewModel.Children.Add(new ViewModelNode("Color", new PropertyInfoViewModelContent(new ParentNodeValueViewModelContent(), typeof(LightComponent).GetProperty("Color"))).GenerateChildren(context));
                    componentViewModel.Children.Add(new ViewModelNode("LightDirection", new PropertyInfoViewModelContent(new ParentNodeValueViewModelContent(), typeof(LightComponent).GetProperty("LightDirection"))).GenerateChildren(context));
                }
                if (component is LightShaftsComponent)
                {
                    componentViewModel.Children.Add(new ViewModelNode("Color", new PropertyInfoViewModelContent(new ParentNodeValueViewModelContent(), typeof(LightShaftsComponent).GetProperty("Color"))).GenerateChildren(context));
                    //componentViewModel.Children.Add(new ViewModelNode("LightShaftsBoundingBoxes", new PropertyInfoViewModelContent(new ParentNodeValueViewModelContent(), typeof(LightShaftsComponent).GetProperty("LightShaftsBoundingBoxes"))).GenerateChildren(context));
                }

                // Else try to display it using auto-display
                AutoDisplayComponent(context, viewModelNode, component);

                handled = true;
            }
            else if (viewModelNode.NodeValue is ParameterCollection)
            {
                viewModelNode.Content = EnumerableViewModelContent.FromUnaryLambda<ViewModelReference, ParameterCollection>(new NodeValueViewModelContent(), (parameterCollection) =>
                    parameterCollection.Keys.Where(key => key.PropertyType.IsValueType).Select(key =>
                    {
                        if (key.PropertyType.IsValueType)
                        {
                            // For value type, generated tree won't change so make value based on key only.
                            return new ViewModelReference(Tuple.Create(parameterCollection, key), true);
                        }
                        else
                        {
                            // TODO: resources currently ignored (until fixed)

                            // For reference type, make value dependent on actual value reference and source.
                            // This will trigger a regeneration for reference change (i.e. new texture bound).
                            // Useful since asset type/state might be different.
                            var value = parameterCollection.GetObject(key);
                            var valueSource = engineContext.AssetManager.Url.Get(value);
                            return new ViewModelReference(Tuple.Create(parameterCollection, key, valueSource), true);
                        }
                    }));

                var availableKeysContent = new RootViewModelContent(null, typeof(string[]));
                viewModelNode.Children.Add(new ViewModelNode("AvailableKeys", availableKeysContent));

                viewModelNode.Children.Add(new ViewModelNode("RequestKeys", new RootViewModelContent((ExecuteCommand)((viewModel2, parameter) =>
                    {
                        var parameterCollection = (ParameterCollection)viewModel2.Parent.NodeValue;
                        var effectMesh = viewModel2.Parent.Parent.NodeValue as EffectMesh;
                        if (effectMesh != null)
                        {
                            var availableKeys = effectMesh.Effect.Passes.SelectMany(x => x.DefaultParameters.Parameters.Select(y => y.Key)).Distinct().Where(x => !parameterCollection.IsValueOwner(x)).Select(x => x.Name).ToArray();
                            availableKeysContent.Value = availableKeys;
                        }
                    }))));

                viewModelNode.Children.Add(new ViewModelNode("Add", new RootViewModelContent((ExecuteCommand)((viewModel2, parameter) =>
                    {
                        var effectMesh = viewModel2.Parent.Parent.NodeValue as EffectMesh;
                        if (effectMesh != null)
                        {
                            var key = effectMesh.Effect.Passes.SelectMany(x => x.DefaultParameters.Parameters.Select(y => y.Key)).FirstOrDefault(x => x.Name == (string)parameter);
                            if (key != null)
                            {
                                effectMesh.Parameters.SetDefault(key);
                            }
                        }
                    }))));
            }
            else if (viewModelNode.NodeValue is EffectMesh)
            {
                viewModelNode.PropertyName = "Mesh";
                viewModelNode.Children.Add(new ViewModelNode("Effect", LambdaViewModelContent<string>.FromParent<EffectMesh>(x => x.EffectMeshData.EffectData.Name, (x, effectName) => x.EffectMeshData.EffectData.Name = effectName)));
                viewModelNode.Children.Add(new ViewModelNode("Parameters", ((EffectMesh)viewModelNode.NodeValue).Parameters).GenerateChildren(context));
                //viewModelNode.Children.Add(new ViewModelNode("MeshData", LambdaViewModelContent<ViewModelReference>.FromParent<MeshData>(effectMeshData => new ViewModelReference(effectMeshData.MeshData, true))));
                handled = true;
            }
            else if (viewModelNode.NodeValue is ContentData || typeof(ContentData).IsAssignableFrom(viewModelNode.Type))
            {
                if (viewModelNode.NodeValue is ContentData)
                    viewModelNode.Content = new NodeValueViewModelContent();

                if (viewModelNode.Value != null)
                {
                    viewModelNode.Children.Add(new ViewModelNode("Url", new LambdaViewModelContent<string>(new ParentValueViewModelContent(),
                        x => engineContext.AssetManager.Url.Get((x.Value)),
                        (x, y) =>
                        {
                            var nodeValue = x.OwnerNode.Parent.NodeValue;
                        })));

                    viewModelNode.Children.Add(new ViewModelNode("ChangeUrl", new RootViewModelContent((ExecuteCommand)(async (viewModel2, parameter) =>
                        {
                            var dropParameters = (DropCommandParameters)parameter;
                            var parameterInfo = (Tuple<ParameterCollection, ParameterKey, ContentData>)viewModel2.Parent.Parent.NodeValue;

                            var parameterCollection = parameterInfo.Item1;

                            var textureData = await engineContext.AssetManager.LoadAsync<Image>((string)dropParameters.Data);
                            //parameter.Item1.SetObject(parameter.Item2, );
                            //parameterCollection.Remove(parameterInfo.Item2);

                            //var texture = engineContext.ContentManager.Convert<ITexture, Image>(textureData);
                            Texture texture;
                            throw new NotImplementedException();

                            parameterCollection.SetObject(parameterInfo.Item2, texture);
                        }))));

                    if (viewModelNode.Type == typeof(Image))
                    {
                        Image thumbnail = null;
                        Task<Image> textureData = null;

                        viewModelNode.Children.Add(new ViewModelNode("Thumbnail", new LambdaViewModelContent<Image>(new ParentValueViewModelContent(), (viewModelContent) =>
                            {
                                if (textureData == null)
                                {
                                    var textureDataNew = viewModelContent.Value as Image;
                                    if (engineContext.AssetManager.Url.Get(textureDataNew) != null)
                                    {
                                        textureData = engineContext.AssetManager.LoadAsync<Image>(engineContext.AssetManager.Url.Get(textureDataNew));
                                        textureData.ContinueWith(task =>
                                            {
                                                thumbnail = task.Result;
                                                viewModelContent.OwnerNode.Content.SerializeFlags |= ViewModelContentSerializeFlags.Static;
                                            });
                                    }
                                }
                                return thumbnail;
                            })));
                    }
                }

                handled = true;
            }
            else if (viewModelNode.NodeValue is MeshData)
            {
                handled = true;
            }
            else if (viewModelNode.NodeValue is Tuple<ParameterCollection, ParameterKey, ContentData>)
            {
                var value = (Tuple<ParameterCollection, ParameterKey, ContentData>)viewModelNode.NodeValue;

                // Ignore namespace and class name for key name
                viewModelNode.PropertyName = value.Item2.Name;
                if (viewModelNode.PropertyName.Contains('.'))
                    viewModelNode.PropertyName = viewModelNode.PropertyName.Substring(viewModelNode.PropertyName.LastIndexOf('.') + 1);

                viewModelNode.Content = new NullViewModelContent(typeof(Image));
                if (value.Item3 != null)
                    viewModelNode.Children.Add(new ViewModelNode("ObjectRef", new RootViewModelContent(value.Item3) { SerializeFlags = ViewModelContentSerializeFlags.None }).GenerateChildren(context));
                handled = true;
            }
            else if (viewModelNode.NodeValue is Tuple<ParameterCollection, ParameterKey>)
            {
                var value = (Tuple<ParameterCollection, ParameterKey>)viewModelNode.NodeValue;

                // Ignore namespace and class name for key name
                viewModelNode.PropertyName = value.Item2.Name;
                if (viewModelNode.PropertyName.Contains('.'))
                    viewModelNode.PropertyName = viewModelNode.PropertyName.Substring(viewModelNode.PropertyName.LastIndexOf('.') + 1);

                if (value.Item2.PropertyType.IsValueType)
                {
                    viewModelNode.Content =
                        new LambdaViewModelContent<object>(() => value.Item1.GetObject(value.Item2), newValue => value.Item1.SetObject(value.Item2, newValue))
                        {
                            Type = value.Item2.PropertyType
                        };

                    handleValueType = true;
                }
                handled = true;
            }
            else if (viewModelNode.Type == typeof(Matrix) || viewModelNode.Type == typeof(Vector3) || viewModelNode.Type == typeof(Color))
            {
                handled = true;
            }
            else if (viewModelNode.Type.IsValueType)
            {
                handleValueType = true;
            }

            if (handleValueType)
            {
                if (!(viewModelNode.Type == typeof(Matrix) || viewModelNode.Type == typeof(Vector3) || viewModelNode.Type == typeof(Color) || viewModelNode.Type == typeof(Color3)))
                {
                    if (viewModelNode.Type.IsValueType && !viewModelNode.Type.IsPrimitive && !viewModelNode.Type.IsEnum)
                    {
                        viewModelNode.Content.SerializeFlags = ViewModelContentSerializeFlags.None;
                        // Use default for those types
                        foreach (var fieldinfo in viewModelNode.Type.GetFields(BindingFlags.FlattenHierarchy | BindingFlags.Public | BindingFlags.Instance))
                        {

                            IViewModelContent viewModelContent = new FieldInfoViewModelContent(new ParentValueViewModelContent(viewModelNode.Type), fieldinfo);
                            //if (fieldinfo.FieldType.IsValueType && !fieldinfo.FieldType.IsPrimitive && !fieldinfo.FieldType.IsEnum)
                            //    viewModelContent.Flags = ViewModelFlags.None;
                            // Doesn't support array
                            if (fieldinfo.FieldType.IsArray)
                                continue;
                            viewModelNode.Children.Add(new ViewModelNode(fieldinfo.Name, viewModelContent).GenerateChildren(context));
                        }
                        handled = true;
                    }
                }
            }
        }
        /// <summary>
        /// Display components that are tagged with the <see cref="DisplayAttribute"/>.
        /// </summary>
        /// <param name="context">Context of the view model.</param>
        /// <param name="viewModel">The current view model</param>
        /// <param name="component">The entity component to display</param>
        private void AutoDisplayComponent(ViewModelContext context, IViewModelNode viewModel, EntityComponent component)
        {
            var displayComp = DisplayAttribute.GetDisplay(component.GetType());
            if (displayComp == null)
                return;

            var componentViewModel = viewModel.GetChildrenByName("Component");
            if (componentViewModel == null)
                return;

            // Change the name of the component being displayed
            if (!string.IsNullOrEmpty(displayComp.Name))
            {
                var componentName = viewModel.GetChildrenByName("PropertyKeyName");
                if (componentName != null)
                {
                    componentName.Value = displayComp.Name;                    
                }
            }

            var propertyToDisplay = new List<Tuple<DisplayAttribute, ViewModelNode>>();
            var memberInfos = new List<MemberInfo>();
            memberInfos.AddRange(component.GetType().GetProperties());
            memberInfos.AddRange(component.GetType().GetFields());

            // Process fields and properties
            foreach (var property in memberInfos)
            {
                var display = DisplayAttribute.GetDisplay(property);
                if (display == null) continue;

                IViewModelContent modelContent = null;
                object modelValue = null;

                var propertyInfo = property as PropertyInfo;
                if (propertyInfo != null)
                {
                    if (typeof(ParameterCollection).IsAssignableFrom(propertyInfo.PropertyType))
                    {
                        modelValue = propertyInfo.GetValue(component, null);
                    }
                    else
                    {
                        modelContent = new PropertyInfoViewModelContent(new ParentNodeValueViewModelContent(), propertyInfo);
                    }
                }

                var fieldInfo = property as FieldInfo;
                if (fieldInfo != null)
                {
                    if (typeof(ParameterCollection).IsAssignableFrom(fieldInfo.FieldType))
                    {
                        modelValue = fieldInfo.GetValue(component);
                    }
                    else
                    {
                        modelContent = new FieldInfoViewModelContent(new ParentNodeValueViewModelContent(), fieldInfo);
                    }
                }

                var propertyViewModel = modelValue != null ? new ViewModelNode(display.Name ?? property.Name, modelValue) : new ViewModelNode(display.Name ?? property.Name, modelContent);
                propertyViewModel.GenerateChildren(context);
                propertyToDisplay.Add(new Tuple<DisplayAttribute, ViewModelNode>(display, propertyViewModel));
            }

            foreach(var item in propertyToDisplay.OrderBy((left) => left.Item1.Order))
            {
                componentViewModel.Children.Add(item.Item2);
            }
        }
 public void GenerateChildren(ViewModelContext context, IViewModelNode viewModelNode, ref bool handled)
 {
     throw new NotImplementedException();
 }
Exemple #22
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        public void GenerateChildren(ViewModelContext context, IViewModelNode viewModelNode, ref bool handled)
        {
            if ((viewModelNode.NodeValue as string) == "Root")
            {
                viewModelNode.Children.Add(new ViewModelNode("SearchResults", new EnumerableViewModelContent <ViewModelReference>(() =>
                                                                                                                                  searchResults != null && searchResults.IsCompleted ? searchResults.Result.Select(searchResult => new ViewModelReference(KeyValuePair.Create(UrlType.SearchResult, searchResult), true))
                                                                       : new ViewModelReference[] { })));
                viewModelNode.Children.Add(new ViewModelNode("SearchFilter",
                                                             new LambdaViewModelContent <string>(
                                                                 () => searchFilter,
                                                                 (newFilter) =>
                {
                    searchFilter = newFilter;
                    StartSearch();
                })));
                viewModelNode.Children.Add(new ViewModelNode("Packages",
                                                             new EnumerableViewModelContent <ViewModelReference>(() => engineContext.PackageManager.Packages.Select(package => new ViewModelReference(package, true)))));

                fileTracker = new FileTracker();
                fileTracker.Setup("/global_data");
                fileTracker.Setup("/global_data2");
                viewModelNode.Children.Add(new ViewModelNode("FileTracker", new RootViewModelContent(fileTracker)).GenerateChildren(context));
            }
            if (viewModelNode.Type == typeof(FileTracker))
            {
                viewModelNode.Content.SerializeFlags = ViewModelContentSerializeFlags.None;
                viewModelNode.Children.Add(new ViewModelNode("RootFolder", KeyValuePair.Create(UrlType.FileTracker, "/")).GenerateChildren(context));
                handled = true;
            }
            if (viewModelNode.NodeValue is Package)
            {
                viewModelNode.Children.Add(new ViewModelNode("Name", new PropertyInfoViewModelContent(new ParentNodeValueViewModelContent(), typeof(Package).GetProperty("Name"))));
                handled = true;
            }

            if (viewModelNode.NodeValue is Tuple <UrlType, string> )
            {
                var nodeValue = (Tuple <UrlType, string>)viewModelNode.NodeValue;
                var url       = nodeValue.Item2;

                if (nodeValue.Item1 == UrlType.SearchResult)
                {
                    // Load thumbnail (not cached yet)
                    if (url.EndsWith(".png") || url.EndsWith(".jpg"))
                    {
                        //var textureData = engineContext.ContentManager.LoadAsync<Image>(url);
                        var thumbnail = new ViewModelNode("Thumbnail",
                                                          new AsyncViewModelContent <Image>(new NullViewModelContent(), operand => engineContext.AssetManager.Load <Image>(url)));
                        viewModelNode.Children.Add(thumbnail);

                        /*textureData.ContinueWith(task =>
                         *  {
                         *      thumbnail.Value = task.Result;
                         *      thumbnail.Content.Flags |= ViewModelFlags.Static;
                         *  });*/
                    }

                    /*else
                     * {
                     *  throw new NotImplementedException();
                     * }*/

                    viewModelNode.Content = new RootViewModelContent(url);
                    viewModelNode.Content.SerializeFlags = ViewModelContentSerializeFlags.Serialize;
                }
                else if (nodeValue.Item1 == UrlType.FileTracker)
                {
                    viewModelNode.Content = new RootViewModelContent(url);
                    viewModelNode.Content.SerializeFlags = ViewModelContentSerializeFlags.Serialize;

                    viewModelNode.Children.Add(new ViewModelNode("SetAsSearchFilter", new RootViewModelContent((ExecuteCommand)((viewModel2, parameter) =>
                    {
                        searchRoot = url;
                        StartSearch();
                    }))));

                    if (url.EndsWith("/"))
                    {
                        viewModelNode.Children.Add(new ViewModelNode("Folders", new EnumerableViewModelContent <ViewModelReference>(() =>
                                                                                                                                    fileTracker.Files
                                                                                                                                    .Where(file => file.StartsWith(url))
                                                                                                                                    .GroupBy(file =>
                        {
                            var separatorIndex = file.IndexOf('/', url.Length + 1);
                            return(file.Substring(url.Length, separatorIndex != -1 ? separatorIndex - url.Length + 1 : file.Length - url.Length));
                        })
                                                                                                                                    .Where(x => x.Key.EndsWith("/") || x.Key.EndsWith(".dat") || x.Key.EndsWith(".xksl"))
                                                                                                                                    .Select(x => new ViewModelReference(KeyValuePair.Create(UrlType.FileTracker, url + x.Key), this))
                                                                                                                                    )));
                    }
                }

                handled = true;
            }
        }
        public void GenerateChildren(ViewModelContext context, IViewModelNode viewModelNode, ref bool handled)
        {
            if (viewModelNode.NodeValue is Entity)
            {
                viewModelNode.Children.Add(new ViewModelNode("Name", new PropertyInfoViewModelContent(new ParentNodeValueViewModelContent(), typeof(Entity).GetProperty("Name"))));
                viewModelNode.Children.Add(new ViewModelNode("Guid", new PropertyInfoViewModelContent(new ParentNodeValueViewModelContent(), typeof(Entity).GetProperty("Guid"))));
                viewModelNode.Children.Add(new ViewModelNode("IsSelected", new PropertyKeyViewModelContent(new ParentNodeValueViewModelContent(), isSelectedProperty)));
                viewModelNode.Children.Add(new ViewModelNode("ParentReference", LambdaViewModelContent<ViewModelReference>.FromParent<Entity>(x =>
                    {
                        var transformationComponent = x.Transformation;
                        var parent = transformationComponent != null ? transformationComponent.Parent : null;
                        return new ViewModelReference(parent != null ? parent.Entity : null);
                    })));
                viewModelNode.Children.Add(new ViewModelNode("HierarchicalEntities", EnumerableViewModelContent.FromUnaryLambda<ViewModelReference, Entity>(new ParentNodeValueViewModelContent(), 
                    (entity) =>
                        {
                            var result = Enumerable.Empty<ViewModelReference>();
                            
                            // Enumerates children nodes
                            var transformationComponent = entity.Transformation;
                            if (transformationComponent != null)
                                result = result.Concat(transformationComponent.Children
                                    .Select(x => new ViewModelReference(x.Entity, true)));

                            // Enumerates EffectMesh
                            var meshComponent = entity.Get(ModelComponent.Key);
                            if (meshComponent != null && meshComponent.InstantiatedSubMeshes != null)
                                result = result.Concat(meshComponent.InstantiatedSubMeshes.Select((x, i) =>
                                    {
                                        effectMeshIndices.GetOrCreateValue(x.Value).Index = i;
                                        return new ViewModelReference(x.Value, true);
                                    }));

                            return result;
                        })));

                viewModelNode.Children.Add(new ViewModelNode("EventOpen", new RootViewModelContent((ExecuteCommand)((viewModel2, parameter) =>
                    {
                        ScriptDebug.SelectEntity((Entity)viewModel2.Parent.NodeValue);
                    }))));

                viewModelNode.Children.Add(new ViewModelNode("CreateNewEntity", new RootViewModelContent((ExecuteCommand)((viewModel2, parameter) =>
                    {
                        var entity = (Entity)viewModel2.Parent.NodeValue;
                        var newEntity = new Entity("New Entity");
                        entity.Transformation.Children.Add(newEntity.Transformation);
                    }))));

                viewModelNode.Children.Add(new ViewModelNode("Remove", new RootViewModelContent((ExecuteCommand)((viewModel2, parameter) =>
                    {
                        var entity = (Entity)viewModel2.Parent.NodeValue;
                        EntitySystem.Remove(entity);
                    }))));

                handled = true;
            }
            else if (viewModelNode.NodeValue is EffectMesh)
            {
                viewModelNode.Children.Add(new ViewModelNode("Name", new LambdaViewModelContent<string>(new NullViewModelContent(), (content) =>
                    {
                        var effectMesh = (EffectMesh)content.OwnerNode.Parent.NodeValue;
                        var result = effectMeshIndices.GetOrCreateValue(effectMesh).Index.ToString();
                        if (effectMesh.Name != null)
                            result += " - " + effectMesh.Name;

                        return result;
                    })));

                viewModelNode.Children.Add(new ViewModelNode("EventOpen", new RootViewModelContent((ExecuteCommand)((viewModel2, parameter) =>
                {
                    selectedEntitiesContext.ViewModelByGuid.Clear();
                    selectedEntitiesContext.Root = new ViewModelNode("Root", new RootViewModelContent(new[] { new ViewModelReference(viewModel2.Parent.NodeValue, true) }, typeof(IList<ViewModelReference>)));
                }))));

                handled = true;
            }
        }
        public void GenerateChildren(ViewModelContext context, IViewModelNode viewModelNode, ref bool handled)
        {
            if ((viewModelNode.NodeValue as string) == "Root")
            {
                viewModelNode.Children.Add(new ViewModelNode("SearchResults", new EnumerableViewModelContent<ViewModelReference>(() =>
                    searchResults != null && searchResults.IsCompleted ? searchResults.Result.Select(searchResult => new ViewModelReference(KeyValuePair.Create(UrlType.SearchResult, searchResult), true))
                                                                       : new ViewModelReference[] { })));
                viewModelNode.Children.Add(new ViewModelNode("SearchFilter",
                    new LambdaViewModelContent<string>(
                        () => searchFilter,
                        (newFilter) =>
                        {
                            searchFilter = newFilter;
                            StartSearch();
                        })));
                viewModelNode.Children.Add(new ViewModelNode("Packages",
                    new EnumerableViewModelContent<ViewModelReference>(() => engineContext.PackageManager.Packages.Select(package => new ViewModelReference(package, true)))));

                fileTracker = new FileTracker();
                fileTracker.Setup("/global_data");
                fileTracker.Setup("/global_data2");
                viewModelNode.Children.Add(new ViewModelNode("FileTracker", new RootViewModelContent(fileTracker)).GenerateChildren(context));
            }
            if (viewModelNode.Type == typeof(FileTracker))
            {
                viewModelNode.Content.SerializeFlags = ViewModelContentSerializeFlags.None;
                viewModelNode.Children.Add(new ViewModelNode("RootFolder", KeyValuePair.Create(UrlType.FileTracker, "/")).GenerateChildren(context));
                handled = true;
            }
            if (viewModelNode.NodeValue is Package)
            {
                viewModelNode.Children.Add(new ViewModelNode("Name", new PropertyInfoViewModelContent(new ParentNodeValueViewModelContent(), typeof(Package).GetProperty("Name"))));
                handled = true;
            }

            if (viewModelNode.NodeValue is Tuple<UrlType, string>)
            {
                var nodeValue = (Tuple<UrlType, string>)viewModelNode.NodeValue;
                var url = nodeValue.Item2;

                if (nodeValue.Item1 == UrlType.SearchResult)
                {
                    // Load thumbnail (not cached yet)
                    if (url.EndsWith(".png") || url.EndsWith(".jpg"))
                    {
                        //var textureData = engineContext.ContentManager.LoadAsync<Image>(url);
                        var thumbnail = new ViewModelNode("Thumbnail",
                            new AsyncViewModelContent<Image>(new NullViewModelContent(), operand => engineContext.AssetManager.Load<Image>(url)));
                        viewModelNode.Children.Add(thumbnail);
                        /*textureData.ContinueWith(task =>
                            {
                                thumbnail.Value = task.Result;
                                thumbnail.Content.Flags |= ViewModelFlags.Static;
                            });*/
                    }
                    /*else
                    {
                        throw new NotImplementedException();
                    }*/

                    viewModelNode.Content = new RootViewModelContent(url);
                    viewModelNode.Content.SerializeFlags = ViewModelContentSerializeFlags.Serialize;
                }
                else if (nodeValue.Item1 == UrlType.FileTracker)
                {
                    viewModelNode.Content = new RootViewModelContent(url);
                    viewModelNode.Content.SerializeFlags = ViewModelContentSerializeFlags.Serialize;

                    viewModelNode.Children.Add(new ViewModelNode("SetAsSearchFilter", new RootViewModelContent((ExecuteCommand)((viewModel2, parameter) =>
                        {
                            searchRoot = url;
                            StartSearch();
                        }))));

                    if (url.EndsWith("/"))
                    {
                        viewModelNode.Children.Add(new ViewModelNode("Folders", new EnumerableViewModelContent<ViewModelReference>(() =>
                                fileTracker.Files
                                    .Where(file => file.StartsWith(url))
                                    .GroupBy(file =>
                                        {
                                            var separatorIndex = file.IndexOf('/', url.Length + 1);
                                            return file.Substring(url.Length, separatorIndex != -1 ? separatorIndex - url.Length + 1 : file.Length - url.Length);
                                        })
                                    .Where(x => x.Key.EndsWith("/") || x.Key.EndsWith(".dat") || x.Key.EndsWith(".xksl"))
                                    .Select(x => new ViewModelReference(KeyValuePair.Create(UrlType.FileTracker, url + x.Key), this))
                            )));
                    }
                }

                handled = true;
            }
        }