public FunctionValueProvider(FunctionRuntimeTreeNode functionFunctionRuntimeNode)
{
if (functionFunctionRuntimeNode == null)
{
throw new ArgumentNullException("functionFunctionRuntimeNode");
}
_functionFunctionRuntimeNode = functionFunctionRuntimeNode;
}
private void Initialize()
{
if (_functionFunctionRuntimeNode == null)
{
lock (_lock)
{
if (_functionFunctionRuntimeNode == null)
{
if (_serializedFunction == null)
{
IFunction function = FunctionFacade.GetFunction(_functionName);
_functionFunctionRuntimeNode = new FunctionRuntimeTreeNode(function, _parameters);
}
else
{
_functionFunctionRuntimeNode = (FunctionRuntimeTreeNode)FunctionTreeBuilder.Build(_serializedFunction);
}
}
}
}
}
private void Initialize()
{
if (_functionFunctionRuntimeNode == null)
{
lock (_lock)
{
if (_functionFunctionRuntimeNode == null)
{
if (_serializedFunction == null)
{
IFunction function = FunctionFacade.GetFunction(_functionName);
_functionFunctionRuntimeNode = new FunctionRuntimeTreeNode(function, _parameters);
}
else
{
_functionFunctionRuntimeNode = (FunctionRuntimeTreeNode)FunctionTreeBuilder.Build(_serializedFunction);
}
}
}
}
}
private void AddFunctionCall(string functionName, out IMetaFunction metaFunction)
{
BaseFunctionRuntimeTreeNode functionRuntime;
if (_state.WidgetFunctionSelection)
{
IWidgetFunction widgetFunction = FunctionFacade.GetWidgetFunction(functionName);
functionRuntime = new WidgetFunctionRuntimeTreeNode(widgetFunction);
metaFunction = widgetFunction;
}
else
{
IFunction functionInfo = FunctionFacade.GetFunction(functionName);
functionRuntime = new FunctionRuntimeTreeNode(functionInfo);
metaFunction = functionInfo;
}
XElement function = functionRuntime.Serialize();
if (!_state.WidgetFunctionSelection && _state.AllowLocalFunctionNameEditing)
{
string localName = functionName;
int pointOffset = localName.LastIndexOf(".", StringComparison.Ordinal);
if (pointOffset > 0 && pointOffset < localName.Length - 1)
{
localName = localName.Substring(pointOffset + 1);
}
string uniqueLocalName = localName;
int retry = 1;
while (FunctionMarkup.Descendants().Attributes("localname").Any(a => a.Value == uniqueLocalName))
{
uniqueLocalName = string.Format("{0}{1}", localName, ++retry);
}
function.Add(new XAttribute("localname", uniqueLocalName));
}
function.Add(new XAttribute("handle", Guid.NewGuid()));
FunctionMarkup.Root.Add(function);
}
/// <exclude />
public FunctionParameterRuntimeTreeNode(string name, FunctionRuntimeTreeNode functionNode)
: base(name)
{
_functionNode = functionNode;
}
private static BaseParameterRuntimeTreeNode BuildParameterFunctionRuntimeNode(XElement element)
{
XAttribute nameAttribute = element.Attribute(FunctionTreeConfigurationNames.NameAttribute);
Verify.IsNotNull(nameAttribute, "Missing attribute named '{0}'", FunctionTreeConfigurationNames.NameAttributeName);
string parameterName = nameAttribute.Value;
XAttribute valueAttribute = element.Attribute(FunctionTreeConfigurationNames.ValueAttribute);
if (valueAttribute != null)
{
return(new ConstantParameterRuntimeTreeNode(parameterName, valueAttribute));
}
if (!element.Elements().Any())
{
if (string.IsNullOrWhiteSpace(element.Value))
{
return(new ConstantParameterRuntimeTreeNode(parameterName, (string)null));
}
return(new ConstantParameterRuntimeTreeNode(parameterName, element.Value));
}
if ((element.Elements().Count() == 1) &&
(element.Elements().First().Name.LocalName == FunctionTreeConfigurationNames.FunctionTagName))
{
XElement childElement = element.Elements().First();
if (childElement.Name.LocalName != FunctionTreeConfigurationNames.FunctionTagName)
{
throw new InvalidOperationException(string.Format("Missing '{0}' child element (found '{1}')", FunctionTreeConfigurationNames.FunctionTagName, childElement.Name.LocalName));
}
FunctionRuntimeTreeNode functionNode = BuildFunctionRuntimeNode(childElement, false);
return(new FunctionParameterRuntimeTreeNode(parameterName, functionNode));
}
if ((element.Elements().Count() == 1) &&
(element.Elements().First().Name.LocalName != FunctionTreeConfigurationNames.ParamElementTagName))
{
return(new XElementParameterRuntimeTreeNode(parameterName, element.Elements().First()));
}
if (element.Elements().All(f => f.Name.LocalName == FunctionTreeConfigurationNames.ParamElementTagName))
{
var strings = new List <string>();
foreach (XElement elm in element.Elements())
{
XAttribute attr = elm.Attribute(FunctionTreeConfigurationNames.ValueAttribute);
Verify.IsNotNull(attr, "One or more {0} are missing the attribute {1}", FunctionTreeConfigurationNames.ParamElementTagName, FunctionTreeConfigurationNames.ValueAttributeName);
strings.Add(attr.Value);
}
return(new ConstantParameterRuntimeTreeNode(parameterName, strings));
}
if (element.Nodes().Any())
{
object value = element.Nodes().All(f => f is XElement) ? element.Elements() : element.Nodes();
return(new ConstantObjectParameterRuntimeTreeNode(parameterName, value));
}
throw new InvalidProgramException("Wrong xml format in parameter '{0}'".FormatWith(parameterName));
}
private void BtnAddFunctionCallClicked()
{
string selectedFunctionName = this.Request.Form["btnAddFunction"];
BaseFunctionRuntimeTreeNode functionRuntime;
if (_state.WidgetFunctionSelection)
{
functionRuntime = new WidgetFunctionRuntimeTreeNode(FunctionFacade.GetWidgetFunction(selectedFunctionName));
}
else
{
functionRuntime = new FunctionRuntimeTreeNode(FunctionFacade.GetFunction(selectedFunctionName));
}
XElement function = functionRuntime.Serialize();
if (!_state.WidgetFunctionSelection && _state.AllowLocalFunctionNameEditing)
{
string localName = selectedFunctionName;
int pointOffset = localName.LastIndexOf(".");
if (pointOffset > 0 && pointOffset < localName.Length - 1)
{
localName = localName.Substring(pointOffset + 1);
}
string uniqueLocalName = localName;
int retry = 1;
while (FunctionMarkup.Descendants().Attributes("localname").Where(a => a.Value == uniqueLocalName).Any())
{
uniqueLocalName = string.Format("{0}{1}", localName, ++retry);
}
function.Add(new XAttribute("localname", uniqueLocalName));
}
function.Add(new XAttribute("handle", Guid.NewGuid()));
FunctionMarkup.Root.Add(function);
SaveChanges();
}
protected void Page_PreRender(object sender, EventArgs e)
{
if(CurrentlySelectedFieldId != Guid.Empty)
{
var defaultFunction = StandardFunctions.GetDefaultFunctionByType(this.CurrentlySelectedType);
btnDefaultValueFunctionMarkup.Attributes["label"] = GetString(btnDefaultValueFunctionMarkup.Value.IsNullOrEmpty() ? "DefaultValueSpecify" : "DefaultValueEdit");
btnDefaultValueFunctionMarkup.Attributes["url"] =
"${root}/content/dialogs/functions/editFunctionCall.aspx?type=" + this.CurrentlySelectedType.FullName +
"&dialoglabel=" + HttpUtility.UrlEncode(GetString("DefaultValueDialogLabel"), Encoding.UTF8) + "&multimode=false&functionmarkup=";
btnTestValueFunctionMarkup.Attributes["label"] = GetString(btnTestValueFunctionMarkup.Value.IsNullOrEmpty() ? "TestValueSpecify" : "TestValueEdit");
btnTestValueFunctionMarkup.Attributes["url"] =
"${root}/content/dialogs/functions/editFunctionCall.aspx?type=" + this.CurrentlySelectedType.FullName +
"&dialoglabel=" + HttpUtility.UrlEncode(GetString("TestValueDialogLabel"), Encoding.UTF8) + "&multimode=false&functionmarkup=";
btnWidgetFunctionMarkup.Attributes["label"] = CurrentlySelectedWidgetText;
btnWidgetFunctionMarkup.Attributes["url"] =
"${root}/content/dialogs/functions/editFunctionCall.aspx?functiontype=widget&type=" + this.CurrentlySelectedWidgetReturnType.FullName +
"&dialoglabel=" + HttpUtility.UrlEncode(GetString("WidgetDialogLabel"), Encoding.UTF8) + "&multimode=false&functionmarkup=";
if (defaultFunction != null)
{
string defaultValue = new FunctionRuntimeTreeNode(defaultFunction).Serialize().ToString();
btnDefaultValueFunctionMarkup.DefaultValue = defaultValue;
btnTestValueFunctionMarkup.DefaultValue = defaultValue;
}
}
btnDelete.Attributes["isdisabled"] = CurrentlySelectedFieldId == Guid.Empty ? "true" : "false";
if (nameChanged)
{
UpdateFieldsPanel();
}
_state.Parameters = this.CurrentFields.ToList();
SessionStateManager.GetProvider(SessionStateProviderName).SetState(StateId, _state, DateTime.Now.AddDays(7.0));
}
/// <exclude />
public FunctionParameterRuntimeTreeNode(string name, FunctionRuntimeTreeNode functionNode)
: base(name)
{
_functionNode = functionNode;
}
/// <summary>
/// Executes the function. Note that all the XhtmlParameters will have all the nested >f:function /< lazily evaluated
/// </summary>
private static object ExecuteFunction(IFunction function, IDictionary<string, object> parameters, FunctionContextContainer functionContextContainer )
{
List<BaseParameterRuntimeTreeNode> parameterNodes = new List<BaseParameterRuntimeTreeNode>();
if (parameters != null)
{
foreach (KeyValuePair<string, object> kvp in parameters)
{
var value = kvp.Value;
if (value is XhtmlDocument)
{
parameterNodes.Add(new LazyParameterRuntimeTreeNode(kvp.Key,
() => ExecuteNestedFunctions(value as XhtmlDocument, functionContextContainer)));
}
else
{
parameterNodes.Add(new ConstantObjectParameterRuntimeTreeNode(kvp.Key, kvp.Value));
}
}
}
var treeNode = new FunctionRuntimeTreeNode(function, parameterNodes);
return treeNode.GetValue(functionContextContainer);
}
public FunctionValueProvider(FunctionRuntimeTreeNode functionFunctionRuntimeNode)
{
if (functionFunctionRuntimeNode == null) throw new ArgumentNullException("functionFunctionRuntimeNode");
_functionFunctionRuntimeNode = functionFunctionRuntimeNode;
}