public override void Render(IParrotWriter writer, IRendererFactory rendererFactory, Statement statement, IDictionary<string, object> documentHost, object model)
{
//get the parameter
List<object> parameters = new List<object>()
{
writer,
documentHost
};
if (statement.Parameters != null && statement.Parameters.Any())
{
//assume only the first is the path
//second is the argument (model)
//TODO: fix this
parameters.AddRange((List<object>)GetLocalModel(documentHost, statement, model));
}
else
{
//layout = "_layout";
throw new InvalidOperationException("Missing parameters");
}
var call = _renderAction.SingleOrDefault(r => r.GetParameters().Count() == parameters.Count);
if (call != null)
{
call.Invoke(this, parameters.ToArray());
}
else
{
//throw an exception
}
}
public void Render(IParrotWriter writer, IRendererFactory rendererFactory, Statement statement, IDictionary<string, object> documentHost, object model)
{
var modelValueProviderFactory = _host.ModelValueProviderFactory;
string result = "";
if (statement is StringLiteral)
{
foreach (var value in (statement as StringLiteral).Values)
{
result += GetModelValue(
modelValueProviderFactory,
documentHost,
model,
value.Type,
value.Data
);
}
}
else
{
result = GetModelValue(modelValueProviderFactory, documentHost, model, StringLiteralPartType.Encoded, statement.Name);
}
writer.Write(result);
}
public override void Render(IParrotWriter writer, IRendererFactory rendererFactory, Statement statement, IDictionary<string, object> documentHost, object model)
{
var localModel = GetLocalModel(documentHost, statement, model);
//Assert that we're looping over something
IEnumerable loop = localModel as IEnumerable;
if (loop == null)
{
throw new InvalidCastException("model is not IEnumerable");
}
//create a local copy
IList<object> items = ToList(loop);
//create locals object to handle local values to the method
Locals locals = new Locals(documentHost);
for (int i = 0; i < items.Count; i++)
{
var item = items[i];
foreach (var child in statement.Children)
{
var renderer = rendererFactory.GetRenderer(child.Name);
locals.Push(IteratorItem(i, items));
renderer.Render(writer, rendererFactory, child, documentHost, item);
locals.Pop();
}
}
}
protected object GetLocalModel(IDictionary<string, object> documentHost, Statement statement, object model)
{
Type modelType = model != null ? model.GetType() : null;
var modelValueProvider = Host.ModelValueProviderFactory.Get(modelType);
return GetLocalModelValue(documentHost, statement, modelValueProvider, model);
}
public void Render(IParrotWriter writer, IRendererFactory rendererFactory, Statement statement, IDictionary<string, object> documentHost, object model)
{
var value = "html"; //default value of "html"
var parameter = statement.Parameters.FirstOrDefault();
if (parameter != null)
{
Type modelType = model != null ? model.GetType() : null;
var modelValueProvider = Host.ModelValueProviderFactory.Get(modelType);
object result;
if (modelValueProvider.GetValue(documentHost, model, statement.Parameters[0].Value, out result))
{
value = result.ToString();
}
}
if (_docTypes.ContainsKey(value))
{
value = _docTypes[value]();
}
documentHost.Add("doctype", value);
writer.Write(string.Format("<!DOCTYPE {0}>", value));
}
public override void Render(IParrotWriter writer, IRendererFactory rendererFactory, Statement statement, IDictionary<string, object> documentHost, object model)
{
//get the parameter
var partial = GetLocalModel(documentHost, statement, model) as string;
if (string.IsNullOrEmpty(partial))
{
throw new ArgumentNullException("partial");
}
//ok...we need to load the layoutpage
//then pass the node's children into the layout page
//then return the result
var engine = (Host as AspNetHost).ViewEngine;
var result = engine.FindView(null, partial, null, false);
if (result != null)
{
var parrotView = (result.View as ParrotView);
using (var stream = parrotView.LoadStream())
{
var document = parrotView.LoadDocument(stream);
DocumentView view = new DocumentView(Host, rendererFactory, documentHost, document);
view.Render(writer);
}
}
}
protected override void CreateTag(IParrotWriter writer, IRendererFactory rendererFactory, IDictionary<string, object> documentHost, object model, Statement statement)
{
string tagName = string.IsNullOrWhiteSpace(statement.Name) ? DefaultChildTag : statement.Name;
TagBuilder builder = new TagBuilder(tagName);
//add attributes
RenderAttributes(rendererFactory, documentHost, model, statement, builder);
writer.Write(builder.ToString(TagRenderMode.SelfClosing));
}
private string GetType(Statement statement, IRendererFactory rendererFactory, IDictionary<string, object> documentHost, object model)
{
for (int i = 0; i < statement.Attributes.Count; i++)
{
if (statement.Attributes[i].Key.Equals("type", StringComparison.OrdinalIgnoreCase))
{
return RenderAttribute(statement.Attributes[i], rendererFactory, documentHost, model);
}
}
return "hidden";
}
public override void Render(IParrotWriter writer, IRendererFactory rendererFactory, Statement statement, IDictionary<string, object> documentHost, object model)
{
var childrenQueue = documentHost.GetValueOrDefault(LayoutRenderer.LayoutChildren) as Queue<StatementList>;
if (childrenQueue == null)
{
//TODO: replace this with a real exception
throw new Exception("Children elements empty");
}
var children = childrenQueue.Dequeue();
RenderChildren(writer, children, rendererFactory, documentHost, DefaultChildTag, model);
}
public override void Render(IParrotWriter writer, IRendererFactory rendererFactory, Statement statement, IDictionary<string, object> documentHost, object model)
{
//get the parameter
List<string> parameters = new List<string>();
if (statement.Parameters != null && statement.Parameters.Any())
{
//assume only the first is the path
//second is the argument (model)
//TODO: fix this
//statement.Parameters[0].Value;
parameters.AddRange(statement.Parameters.Select(p => p.CalculatedValue));
documentHost.Add(parameters[0], parameters[1]);
}
}
public void Render(StringWriter writer, Statement statement, object documentHost)
{
var outputNode = statement as EncodedOutput;
if (outputNode == null)
{
throw new ArgumentNullException("statement");
}
Type documentHostType = documentHost != null ? documentHost.GetType() : null;
var modelValueProvider = ModelValueProviderFactory.Get(documentHostType);
var value = modelValueProvider.GetValue(documentHost, ValueType.Property, statement);
//html encode this!
writer.Write(System.Net.WebUtility.HtmlEncode(value.ToString()));
}
public override void Render(IParrotWriter writer, IRendererFactory rendererFactory, Statement statement, IDictionary<string, object> documentHost, object model)
{
string layout = "";
if (statement.Parameters != null && statement.Parameters.Any())
{
Type modelType = model != null ? model.GetType() : null;
var modelValueProvider = Host.ModelValueProviderFactory.Get(modelType);
//var parameterLayout = GetLocalModelValue(documentHost, statement, modelValueProvider, model) ?? "_layout";
var parameterLayout = GetLocalModel(documentHost, statement, model) ?? "_layout";
//assume only the first is the path
//second is the argument (model)
layout = parameterLayout.ToString();
}
//ok...we need to load the view
//then pass the model to it and
//then return the result
var result = _parrotViewLocator.LocateView(layout);
if (result != null)
{
var parrotView = new ParrotView(_host, rendererFactory, _parrotViewLocator, result.Contents, writer);
string contents = result.Contents().ReadToEnd();
var document = parrotView.LoadDocument(contents);
//Create a new DocumentView and DocumentHost
if (!documentHost.ContainsKey("_LayoutChildren_"))
{
documentHost.Add("_LayoutChildren_", new Queue<StatementList>());
}
(documentHost["_LayoutChildren_"] as Queue<StatementList>).Enqueue(statement.Children);
DocumentView view = new DocumentView(_host, rendererFactory, documentHost, document);
view.Render(writer);
}
else
{
throw new Exception(string.Format("Layout {0} could not be found", layout));
}
}
public override void Render(IParrotWriter writer, IRendererFactory rendererFactory, Statement statement, IDictionary<string, object> documentHost, object model)
{
var localModel = GetLocalModel(documentHost, statement, model);
string statementToOutput = "default";
if (localModel != null)
{
statementToOutput = localModel.ToString();
}
//check that there is a parameter
foreach (var child in statement.Children)
{
string value;
var valueWriter = Host.CreateWriter();
//get string value
var renderer = rendererFactory.GetRenderer(child.Name);
if (renderer is StringLiteralRenderer)
{
renderer.Render(valueWriter, rendererFactory, child, documentHost, model);
value = valueWriter.Result();
}
else
{
value = child.Name;
}
if (value.Equals(statementToOutput, StringComparison.OrdinalIgnoreCase))
{
//render only the child
RenderChildren(writer, child, rendererFactory, documentHost, model);
return;
}
}
var defaultChild = statement.Children.SingleOrDefault(s => s.Name.Equals("default", StringComparison.OrdinalIgnoreCase));
if (defaultChild != null)
{
RenderChildren(writer, defaultChild, rendererFactory, documentHost, model);
}
}
public virtual string RenderChildren(Statement statement, object localModel, string defaultTag = null)
{
var factory = Host.DependencyResolver.Resolve<IRendererFactory>();
if (string.IsNullOrEmpty(defaultTag))
{
defaultTag = DefaultChildTag;
}
Func<string, string> tagName = s => string.IsNullOrEmpty(s) ? defaultTag : s;
var sb = new StringBuilder();
if (localModel is IEnumerable && statement.Parameters != null && statement.Parameters.Any())
{
foreach (object item in localModel as IEnumerable)
{
var localItem = item;
foreach (var child in statement.Children)
{
child.Name = tagName(child.Name);
var renderer = factory.GetRenderer(child.Name);
sb.AppendLine(renderer.Render(child, localItem));
}
}
}
else
{
foreach (var child in statement.Children)
{
if (child != null)
{
child.Name = tagName(child.Name);
var renderer = factory.GetRenderer(child.Name);
sb.Append(renderer.Render(child, localModel));
}
}
}
return sb.ToString();
}
protected virtual void CreateTag(IParrotWriter writer, IRendererFactory rendererFactory, IDictionary<string, object> documentHost, object model, Statement statement)
{
string tagName = string.IsNullOrWhiteSpace(statement.Name) ? DefaultChildTag : statement.Name;
TagBuilder builder = new TagBuilder(tagName);
//add attributes
RenderAttributes(rendererFactory, documentHost, model, statement, builder);
//AppendAttributes(builder, statement.Attributes, documentHost, modelValueProvider);
writer.Write(builder.ToString(TagRenderMode.StartTag));
//render children
if (statement.Children.Count > 0)
{
RenderChildren(writer, statement, rendererFactory, documentHost, model);
}
writer.Write(builder.ToString(TagRenderMode.EndTag));
}
public override void Render(IParrotWriter writer, IRendererFactory rendererFactory, Statement statement, IDictionary<string, object> documentHost, object model)
{
string layout = "";
if (statement.Parameters != null && statement.Parameters.Any())
{
Type modelType = model != null ? model.GetType() : null;
var modelValueProvider = Host.ModelValueProviderFactory.Get(modelType);
var parameterLayout = GetLocalModel(documentHost, statement, model) ?? "_layout";
//assume only the first is the path
//second is the argument (model)
layout = parameterLayout.ToString();
}
//ok...we need to load the view
//then pass the model to it and
//then return the result
var engine = (Host as AspNetHost).ViewEngine;
var result = engine.FindView(null, layout, null, false);
if (result != null)
{
var parrotView = (result.View as ParrotView);
using (var stream = parrotView.LoadStream())
{
var document = parrotView.LoadDocument(stream);
//Create a new DocumentView and DocumentHost
if (!documentHost.ContainsKey(LayoutChildren))
{
documentHost.Add(LayoutChildren, new Queue<StatementList>());
}
(documentHost[LayoutChildren] as Queue<StatementList>).Enqueue(statement.Children);
DocumentView view = new DocumentView(Host, rendererFactory, documentHost, document);
view.Render(writer);
}
}
}
public void BeforeRender(IParrotWriter writer, IRendererFactory rendererFactory, Statement statement, IDictionary<string, object> documentHost, object model)
{
//process parameters
if (statement.Parameters != null && statement.Parameters.Any())
{
foreach (var parameter in statement.Parameters)
{
if (parameter.Value != null && ((parameter.Value.StartsWith("\"") && parameter.Value.EndsWith("\"")) || (parameter.Value.StartsWith("'") && parameter.Value.EndsWith("'"))))
{
var stringLiteral = new StringLiteral(parameter.Value);
var renderer = rendererFactory.GetRenderer("string");
var w = new StandardWriter();
{
renderer.Render(w, rendererFactory, stringLiteral, documentHost, model);
}
parameter.CalculatedValue = w.Result();
}
}
}
}
public virtual void RenderChildren(IParrotWriter writer, Statement statement, IRendererFactory rendererFactory, IDictionary<string, object> documentHost, object model, string defaultTag = null)
{
if (string.IsNullOrEmpty(defaultTag))
{
defaultTag = DefaultChildTag;
}
if (model is IEnumerable && statement.Parameters.Any())
{
foreach (object item in model as IEnumerable)
{
var localItem = item;
RenderChildren(writer, statement.Children, rendererFactory, documentHost, defaultTag, localItem);
}
}
else
{
RenderChildren(writer, statement.Children, rendererFactory, documentHost, defaultTag, model);
}
}
public override void Render(IParrotWriter writer, IRendererFactory rendererFactory, Statement statement, IDictionary<string, object> documentHost, object model)
{
//get the input type
string type = GetType(statement, rendererFactory, documentHost, model);
switch (type)
{
case "checkbox":
case "radio":
//special handling for "checked"
//is there a checked attribute
for (int i = 0; i < statement.Attributes.Count; i++)
{
if (statement.Attributes[i].Key == "checked")
{
string attributeValue = RenderAttribute(statement.Attributes[i], rendererFactory, documentHost, model);
switch (attributeValue)
{
case "true":
statement.Attributes[i] = new Nodes.Attribute(statement.Attributes[i].Key, new StringLiteral("\"checked\""));
//.Value = "checked";
break;
case "false":
case "null":
//remove this attribute
statement.Attributes.RemoveAt(i);
i -= 1;
break;
}
}
}
break;
}
base.Render(writer, rendererFactory, statement, documentHost, model);
}
private object GetLocalModelValue(IDictionary<string, object> documentHost, Statement statement, IModelValueProvider modelValueProvider, object model)
{
object value;
if (statement.Parameters.Count > 0)
{
if (statement.Parameters.Count == 1)
{
//check here first
if (modelValueProvider.GetValue(documentHost, model, statement.Parameters[0].Value, out value))
{
return value;
}
}
List<object> parameters = new List<object>();
foreach (var parameter in statement.Parameters)
{
if (modelValueProvider.GetValue(documentHost, model, parameter.Value, out value))
{
parameters.Add(value);
}
}
return parameters;
}
if (model != null)
{
//check DocumentHost next
//if (modelValueProvider.GetValue(documentHost, model, null, out value))
if (modelValueProvider.GetValue(documentHost, model, Parrot.Infrastructure.ValueType.Property, null, out value))
{
return value;
}
}
return model;
}
public override void Render(IParrotWriter writer, IRendererFactory rendererFactory, Statement statement, IDictionary<string, object> documentHost, object model)
{
var localModel = GetLocalModel(documentHost, statement, model);
CreateTag(writer, rendererFactory, documentHost, localModel, statement);
}
protected virtual void RenderAttributes(IRendererFactory rendererFactory, IDictionary<string, object> documentHost, object model, Statement statement, TagBuilder builder)
{
foreach (var attribute in statement.Attributes)
{
if (attribute.Value == null)
{
builder.MergeAttribute(attribute.Key, attribute.Key, true);
}
else
{
object attributeValue = RenderAttribute(attribute, rendererFactory, documentHost, model);
if (attribute.Key == "class")
{
builder.AddCssClass((string) attributeValue);
}
else
{
builder.MergeAttribute(attribute.Key, (string) attributeValue, true);
}
}
}
}
public void AfterRender(IParrotWriter writer, IRendererFactory rendererFactory, Statement statement, IDictionary<string, object> documentHost, object model)
{
}
protected TagBuilder CreateTag(object model, Statement statement)
{
Type modelType = model != null ? model.GetType() : null;
object localModel = model;
var modelValueProviderFactory = Host.DependencyResolver.Resolve<IModelValueProviderFactory>();
if (statement.Parameters.Count > 0)
{
var modelValueProvider = modelValueProviderFactory.Get(modelType);
localModel = modelValueProvider.GetValue(model, statement.Parameters[0].ValueType, statement.Parameters[0].Value);
}
statement.Name = string.IsNullOrEmpty(statement.Name) ? DefaultChildTag : statement.Name;
TagBuilder builder = new TagBuilder(statement.Name);
foreach (var attribute in statement.Attributes)
{
object attributeValue = model;
if (attributeValue != null)
{
attributeValue = modelValueProviderFactory.Get(modelType).GetValue(model, attribute.ValueType, attribute.Value);
}
else
{
attributeValue = modelValueProviderFactory.Get(typeof(object)).GetValue(model, attribute.ValueType, attribute.Value);
}
if (attribute.Key == "class")
{
builder.AddCssClass((string) attributeValue);
}
else
{
builder.MergeAttribute(attribute.Key, (string) attributeValue, true);
}
}
if (statement.Children.Count > 0)
{
builder.InnerHtml = RenderChildren(statement, localModel);
}
else
{
if (statement.Parameters.Count > 0)
{
builder.InnerHtml = localModel != null ? localModel.ToString() : "";
}
}
return builder;
}
public Document(Document document, Statement statement)
{
Children = document.Children;
Children.Add(statement);
}
public Document(IHost host, Document document, Statement statement)
: this(host)
{
Children = document.Children;
Children.Add(statement);
}
private void ParseStatementErrors(Statement s)
{
if (s.Errors.Any())
{
foreach (var error in s.Errors)
{
error.Index += s.Index;
Errors.Add(error);
}
}
}
