public IStyleRule?GetRule(IMarkupNode markupNode, Type targetType) { if (markupNode.TryGetAttributeValue(nameof(DependencyPropertySelector.Property), out var propertyName)) { if (DependencyProperty.TryGetDependecyProperty(targetType, propertyName, out var depProp)) { var selector = new DependencyPropertySelector(depProp); var propVal = BuildPropertyValue(depProp, markupNode); var objDeclaration = new ObjectDeclaration(propVal); return(new DependencyPropertyValueRule(selector, objDeclaration)); } } throw new NotImplementedException(); }
public Type GetType(IMarkupNode node, String?genericArgName, Dictionary <String, String> nameSpaceAssemblySearch) { var name = node.Name; if (_typeAliases.TryGetValue(name, out var aliasedType)) { return(node.ChildrenCount == 0 ? aliasedType.ChildlessType : aliasedType.PanelType); } if (name == "input" && node.TryGetAttributeValue("type", out var inputType)) { switch (inputType) { case "checkbox": return(typeof(CheckBox)); } } var notGeneric = _typeInferrer.GetTypeFromClearName(name, nameSpaceAssemblySearch); if (notGeneric != null) { return(notGeneric); } if (!String.IsNullOrEmpty(genericArgName) && node.ChildrenCount > 0) { var letsTry = name + "[" + genericArgName + "]"; var found = _typeInferrer.GetTypeFromClearName(letsTry, nameSpaceAssemblySearch, true); if (found != null) { return(found); } } throw new TypeLoadException(name); }
private async Task <IContentVisual> BuildContentVisualAsync(IMarkupNode node, Type?dataContextType, Dictionary <String, String> nameSpaceAssemblySearch, Type visualType, IVisualLineage visualLineage, ApplyVisualStyles applyStyles) { IVisualElement?contentVisual = null; //------------------------------- var contentContainer = _visualBootstrapper.Instantiate <IContentVisual>(visualType) ?? throw new InvalidOperationException(); //await applyStyles(contentContainer, node, visualLineage, this); //------------------------------- visualLineage.PushVisual(contentContainer); switch (node.ChildrenCount) { case 1: { var currentNode = node[0]; var childObjRes = await InflateChildAsync(currentNode, contentContainer, dataContextType, nameSpaceAssemblySearch, visualLineage, applyStyles) .ConfigureAwait(false); if (childObjRes.ChildType == ChildNodeType.ChildVisual && childObjRes.Child is IVisualElement childVisual) { contentVisual = childVisual; } else if (childObjRes.ChildType == ChildNodeType.PropertyValue && childObjRes.VisualProperty is { } prop) { //Object oContentContainer = contentContainer; prop.SetPropertyValue(ref contentContainer, childObjRes.Child); //prop.SetValue(contentContainer, childObjRes.Child, null); } break; } case 0: { if (!node.TryGetAttributeValue(nameof(IContentContainer.Content), out var textContent)) { textContent = node.InnerText; } if (!String.IsNullOrEmpty(textContent)) { // zb <button>TEXT</button> etc contentVisual = new Label(_visualBootstrapper) { Text = textContent ! }; visualLineage.PushVisual(contentVisual); } break; } default: throw new NotImplementedException(); } contentContainer !.Content = contentVisual; if (contentVisual != null) { visualLineage.AssertPopVisual(contentVisual); } return(contentContainer); }
/// <summary> /// Builds a visual from a markup node. Infers the data context type and instantiates /// a generic visual if possible /// </summary> /// <param name="node">an xml/json etc node</param> /// <param name="dataContextType">the data context type of the parent visual.</param> /// <param name="nameSpaceAssemblySearch"></param> /// <param name="visualLineage"></param> /// <param name="applyStyles"></param> /// <returns></returns> private async Task <IVisualElement> GetVisualAsync(IMarkupNode node, Type?dataContextType, Dictionary <String, String> nameSpaceAssemblySearch, IVisualLineage visualLineage, ApplyVisualStyles applyStyles) { var bindings = await _bindingBuilder.GetBindingsDictionaryAsync(node, dataContextType, nameSpaceAssemblySearch); var dataBindings = bindings.Values.OfType <IDataBinding>() .ToArray(); dataContextType = _bindingBuilder.InferDataContextTypeFromBindings(dataBindings, dataContextType); if (!node.TryGetAttributeValue("ContextType", out var currentGenericArgName)) { currentGenericArgName = dataContextType?.Name; } else { dataContextType = _typeInferrer.GetTypeFromClearName(currentGenericArgName, nameSpaceAssemblySearch, true); } var visualType = _visualTypeResolver.GetType(node, currentGenericArgName, nameSpaceAssemblySearch); IVisualElement visual; if (typeof(IContentContainer).IsAssignableFrom(visualType)) { // CONTENT VISUAL visual = await BuildContentVisualAsync(node, dataContextType, nameSpaceAssemblySearch, visualType, visualLineage, applyStyles) .ConfigureAwait(false); } else if (visualType is { } validVisualType) { //------------------------------- visual = _visualBootstrapper.Instantiate <IVisualElement>(validVisualType); //await applyStyles(visual, node, visualLineage, this); //------------------------------- visualLineage.PushVisual(visual); if (node.ChildrenCount > 0) { // PANEL await InflateAndAddChildNodesAsync(node, visual, dataContextType, nameSpaceAssemblySearch, visualLineage, _appliedStyleBuilder.ApplyVisualStylesAsync).ConfigureAwait(false); } if (node.InnerText is { } innerText&& innerText.Trim() is { } validInnerText&& validInnerText.Length > 0 && GetAttribute <ContentPropertyAttribute>(validVisualType) is { } cp&& _typeInferrer.FindPublicProperty(validVisualType, cp.Name) is { } contentProp&& contentProp.PropertyType == typeof(String)) { // zb <Label>hello world</Label> contentProp.SetValue(visual, validInnerText, null); } }