protected virtual void ApplyStyle(ResolvedControl control)
{
//if (SetHtmlAttributes != null)
//{
// foreach (var attr in SetHtmlAttributes)
// {
// if (!control.HtmlAttributes.ContainsKey(attr.Key) || attr.Value.append)
// {
// ResolvedHtmlAttributeSetter setter = null;
// if (attr.Value.value is ResolvedBinding)
// {
// setter = new ResolvedHtmlAttributeBinding(attr.Key, (ResolvedBinding)attr.Value.value);
// }
// else
// {
// setter = new ResolvedHtmlAttributeValue(attr.Key, (string)attr.Value.value);
// }
// control.SetHtmlAttribute(setter);
// }
// }
//}
if (SetProperties != null)
{
foreach (var prop in SetProperties)
{
if (!control.Properties.ContainsKey(prop.Key))
{
string error;
control.SetProperty(prop.Value.Value, prop.Value.Append, out error);
}
}
}
}
private ResolvedControl CreateRequiredResourceControl(string resource, Parser.Dothtml.Parser.DothtmlNode node, DataContextStack dataContext)
{
var control = new ResolvedControl(requiredResourceConrolMetadata, node, dataContext);
control.SetProperty(new ResolvedPropertyValue(RequiredResource.NameProperty, resource));
return(control);
}
public override void VisitControl(ResolvedControl control)
{
if (control.DataContextTypeStack != control.Parent?.As <ResolvedControl>()?.DataContextTypeStack)
{
control.SetProperty(new ResolvedPropertyValue(Internal.DataContextTypeProperty, control.DataContextTypeStack));
}
base.VisitControl(control);
}
private void ProcessControlContent(IEnumerable <DothtmlNode> nodes, ResolvedControl control)
{
var content = new List <DothtmlNode>();
bool properties = true;
foreach (var node in nodes)
{
var element = node as DothtmlElementNode;
if (element != null && properties)
{
var property = FindProperty(control.Metadata, element.TagName);
if (property != null && string.IsNullOrEmpty(element.TagPrefix) && property.MarkupOptions.MappingMode.HasFlag(MappingMode.InnerElement))
{
content.Clear();
control.SetProperty(ProcessElementProperty(control, property, element.Content));
}
else
{
content.Add(node);
if (node.IsNotEmpty())
{
properties = false;
}
}
}
else
{
content.Add(node);
}
}
if (content.Any(DothtmlNodeHelper.IsNotEmpty))
{
if (control.Metadata.DefaultContentProperty != null)
{
control.SetProperty(ProcessElementProperty(control, control.Metadata.DefaultContentProperty, content));
}
else
{
foreach (var node in content)
{
// TODO: data context from parent
control.Content.Add(ProcessNode(node, control.Metadata, control.DataContextTypeStack));
}
}
}
}
protected virtual void ApplyStyle(ResolvedControl control, DotvvmConfiguration configuration)
{
if (SetProperties != null)
{
foreach (var prop in SetProperties)
{
if (!control.Properties.ContainsKey(prop.Key) || prop.Value.Append)
{
control.SetProperty(prop.Value.Value, prop.Value.Append, out string error);
}
}
}
}
protected virtual void ApplyStyle(ResolvedControl control, DotvvmConfiguration configuration)
{
if (SetProperties != null)
{
foreach (var prop in SetProperties)
{
if (!control.Properties.ContainsKey(prop.Key) ||
prop.Value.Type == StyleOverrideOptions.Append ||
prop.Value.Type == StyleOverrideOptions.Overwrite)
{
control.SetProperty(prop.Value.GetPropertySetter(control, configuration),
prop.Value.Type == StyleOverrideOptions.Overwrite, out string error);
}
}
}
}
public static void OnCompilation(ResolvedControl control, BindingCompilationService bindingService)
{
// ComboBoxed does not have to have the DataSource property and then they don't use the CurrentIndexBindingProperty
if (!control.HasProperty(DataSourceProperty))
{
return;
}
var dcChange = ControlTreeResolverBase.ApplyContextChange(control.DataContextTypeStack,
new DataContextChangeAttribute[] { new ControlPropertyBindingDataContextChangeAttribute(nameof(DataSource)), new CollectionElementDataContextChangeAttribute(0) },
control, null);
var dataContext = DataContextStack.Create(ResolvedTypeDescriptor.ToSystemType(dcChange.type), control.DataContextTypeStack, extenstionParameters: dcChange.extensionParameters);
control.SetProperty(new ResolvedPropertyBinding(Internal.CurrentIndexBindingProperty,
new ResolvedBinding(bindingService, new Compilation.BindingParserOptions(typeof(ValueBindingExpression)), dataContext,
parsedExpression: Expression.Parameter(typeof(int), "_index").AddParameterAnnotation(
new BindingParameterAnnotation(dataContext, new CurrentCollectionIndexExtensionParameter())))));
}
public static void OnCompilation(ResolvedControl control, BindingCompilationService bindingService)
{
// ComboBox does not have to have the DataSource property and then they don't use the CurrentIndexBindingProperty
if (!control.Properties.TryGetValue(DataSourceProperty, out var dataSourceProperty))
{
return;
}
if (!(dataSourceProperty is ResolvedPropertyBinding dataSourceBinding))
{
return;
}
var dataContext = dataSourceBinding.Binding.Binding.GetProperty <CollectionElementDataContextBindingProperty>().DataContext;
control.SetProperty(new ResolvedPropertyBinding(Internal.CurrentIndexBindingProperty,
new ResolvedBinding(bindingService, new Compilation.BindingParserOptions(typeof(ValueBindingExpression)), dataContext,
parsedExpression: Expression.Parameter(typeof(int), "_index").AddParameterAnnotation(
new BindingParameterAnnotation(dataContext, new CurrentCollectionIndexExtensionParameter())))));
}
public override void VisitControl(ResolvedControl control)
{
base.VisitControl(control);
if (typeof(DotvvmControl).IsAssignableFrom(control.Metadata.Type))
{
var req = GetRequirements(control.Metadata.Type);
var childReq = control.Content
.Select(c => c.GetValue(CompileTimeLifecycleRequirementsProperty).As <ResolvedPropertyValue>()?.Value as ControlLifecycleRequirements? ?? ControlLifecycleRequirements.None)
.Aggregate(ControlLifecycleRequirements.None, (a, b) => a | b);
var value = req | childReq;
// don't have to do the assignment for RawLiteral, as it has None by default
if (!(value == ControlLifecycleRequirements.None && control.Metadata.Type == typeof(RawLiteral)) &&
// don't assign for markup controls, they already contain content when created
control.Metadata.VirtualPath == null)
{
control.SetProperty(new ResolvedPropertyValue(CompileTimeLifecycleRequirementsProperty, value));
}
}
}
public static void OnCompilation(ResolvedControl control)
{
control.SetProperty(new ResolvedPropertyValue(Internal.IsNamingContainerProperty, true), replace: false, error: out _);
}
private ResolvedControl ProcessNode(DothtmlNode node, ControlResolverMetadata parentMetadata, DataContextStack dataContext)
{
try
{
if (node is DothtmlBindingNode)
{
EnsureContentAllowed(parentMetadata);
// binding in text
var binding = (DothtmlBindingNode)node;
var literal = new ResolvedControl(controlResolver.ResolveControl(typeof(Literal)), node, dataContext);
literal.SetProperty(new ResolvedPropertyBinding(Literal.TextProperty, ProcessBinding(binding, dataContext)));
literal.SetProperty(new ResolvedPropertyValue(Literal.RenderSpanElementProperty, false));
return(literal);
}
else if (node is DotHtmlCommentNode)
{
var commentNode = node as DotHtmlCommentNode;
string text = commentNode.IsServerSide ? "" : "<!--" + commentNode.Value + "-->";
var literal = new ResolvedControl(controlResolver.ResolveControl(typeof(RawLiteral)), node, dataContext);
literal.ContructorParameters = new object[] { text, commentNode.Value, true };
return(literal);
}
else if (node is DothtmlLiteralNode)
{
var literalNode = ((DothtmlLiteralNode)node);
// text content
var whitespace = string.IsNullOrWhiteSpace(literalNode.Value);
if (!whitespace)
{
EnsureContentAllowed(parentMetadata);
}
string text;
if (literalNode.Escape)
{
text = WebUtility.HtmlEncode(literalNode.Value);
}
else
{
text = literalNode.Value;
}
var literal = new ResolvedControl(controlResolver.ResolveControl(typeof(RawLiteral)), node, dataContext);
literal.ContructorParameters = new object[] { text, literalNode.Value, whitespace };
return(literal);
}
else if (node is DothtmlElementNode)
{
// HTML element
var element = (DothtmlElementNode)node;
EnsureContentAllowed(parentMetadata);
// the element is the content
return(ProcessObjectElement(element, dataContext));
}
else
{
throw new NotSupportedException($"The node of type '{node.GetType()}' is not supported!");
}
}
catch (DotvvmCompilationException ex)
{
if (ex.Tokens == null)
{
ex.Tokens = node.Tokens;
ex.ColumnNumber = node.Tokens.First().ColumnNumber;
ex.LineNumber = node.Tokens.First().LineNumber;
}
throw;
}
catch (Exception ex)
{
throw new DotvvmCompilationException("", ex, node.Tokens);
}
}
/// <summary>
/// Processes the HTML attribute.
/// </summary>
private void ProcessAttribute(DothtmlAttributeNode attribute, ResolvedControl control, DataContextStack dataContext)
{
if (attribute.AttributePrefix == "html")
{
if (!control.Metadata.HasHtmlAttributesCollection)
{
throw new DotvvmCompilationException($"control { control.Metadata.Name } does not have html attribute collection", attribute.Tokens);
}
control.SetHtmlAttribute(attribute.AttributeName, ProcessAttributeValue(attribute.ValueNode, dataContext));
return;
}
if (!string.IsNullOrEmpty(attribute.AttributePrefix))
{
throw new DotvvmCompilationException("Attributes with XML namespaces are not supported!", attribute.Tokens);
}
// find the property
var property = FindProperty(control.Metadata, attribute.AttributeName);
if (property != null)
{
if (property.IsBindingProperty)
{
var typeChange = DataContextChangeAttribute.GetDataContextExpression(dataContext, control, property);
if (typeChange != null)
{
dataContext = new DataContextStack(typeChange, dataContext);
}
}
if (!property.MarkupOptions.MappingMode.HasFlag(MappingMode.Attribute))
{
throw new DotvvmCompilationException($"The property '{ property.FullName }' cannot be used as attribute", attribute.Tokens);
}
// set the property
if (attribute.ValueNode == null)
{
throw new DotvvmCompilationException($"The attribute '{property.Name}' on the control '{control.Metadata.Name}' must have a value!", attribute.Tokens);
}
else if (attribute.ValueNode is DothtmlValueBindingNode)
{
// binding
var bindingNode = (attribute.ValueNode as DothtmlValueBindingNode).BindingNode;
if (!property.MarkupOptions.AllowBinding)
{
throw new DotvvmCompilationException($"The property '{ property.FullName }' cannot contain binding.", bindingNode.Tokens);
}
var resolvedBinding = ProcessBinding(bindingNode, dataContext);
control.SetProperty(new ResolvedPropertyBinding(property, resolvedBinding));
}
else
{
// hard-coded value in markup
if (!property.MarkupOptions.AllowHardCodedValue)
{
throw new DotvvmCompilationException($"The property '{ property.FullName }' cannot contain hard coded value.", attribute.ValueNode.Tokens);
}
var textValue = attribute.ValueNode as DothtmlValueTextNode;
var value = ReflectionUtils.ConvertValue(textValue.Text, property.PropertyType);
control.SetPropertyValue(property, value);
}
}
else if (control.Metadata.HasHtmlAttributesCollection)
{
// if the property is not found, add it as an HTML attribute
control.SetHtmlAttribute(attribute.AttributeName, ProcessAttributeValue(attribute.ValueNode, dataContext));
}
else
{
throw new DotvvmCompilationException($"The control '{control.Metadata.Type}' does not have a property '{attribute.AttributeName}' and does not allow HTML attributes!");
}
}
