public override void Render(TextWriter writer)
{
object value = GetVariableValue();
if (MyDataContext.HasVariable(VariableKey))
{
MyDataContext.RemoveLocalValue(VariableKey);
}
if (string.IsNullOrEmpty(ScopeVariableKey))
{
this.MyDataContext.RegisterDataItem(VariableKey, value);
}
else
{
Dictionary <string, object> scopeDictionary = null;
if (!MyDataContext.MasterData.ContainsKey(ScopeVariableKey))
{
scopeDictionary = new Dictionary <string, object>();
MyDataContext.RegisterLocalValue(ScopeVariableKey, scopeDictionary);
}
else
{
scopeDictionary = MyDataContext.GetVariableObject(ScopeVariableKey) as Dictionary <string, object>;
}
if (scopeDictionary != null)
{
scopeDictionary.Add(VariableKey, value);
}
else
{
//TODO: REGISTER ERROR
}
}
}
/// <summary>
/// Recursively checks to see if a data key is completely resolvable.
/// To be resolvable, every dependent key must ultimately resolve to
/// a control that has no dynamic dependencies
/// </summary>
/// <param name="key"></param>
/// <param name="keysAlreadyUsed"></param>
/// <param name="circularKey">Variable to contain key identified as circular</param>
/// <returns></returns>
public bool IsResolvableKey(string key, Dictionary <string, string> keysAlreadyUsed, out string circularKey)
{
if (!MyDataContext.HasVariable(key))
{
circularKey = key;
return(false);
}
circularKey = null;
DataItem item = MyDataContext.MasterData[key];
if (null == item)
{
circularKey = key;
return(false);
}
if (item.DataControl is BaseDataControl)
{
BaseDataControl control = (BaseDataControl)item.DataControl;
if (!control.HasDynamicParameters())
{
return(true);
}
else
{
bool resolvable = true;
string[] requiredKeys = control.GetDynamicKeyDependencies();
for (int i = 0; i < requiredKeys.Length; i++)
{
if (keysAlreadyUsed.ContainsKey(requiredKeys[i]))
{
circularKey = requiredKeys[i];
return(false);
}
else
{
Dictionary <string, string> thisBranchKeysUsed = new Dictionary <string, string>(keysAlreadyUsed);
thisBranchKeysUsed.Add(key, key);
resolvable = IsResolvableKey(requiredKeys[i], thisBranchKeysUsed, out circularKey);
}
if (!resolvable)
{
return(false);
}
}
return(true);
}
}
else
{
return(true);
}
}
private string multiSelectDropDown(IEnumerable friendList)
{
LoopContext context = GetLoopContext(friendList);
StringBuilder selectOption = new StringBuilder();
foreach (object item in friendList)
{
object realItem = item;
if (item is DictionaryEntry)
{
realItem = ((DictionaryEntry)item).Value;
}
MyDataContext.RegisterLocalValue(GetCurrentLoopItemVariable(), realItem);
if (MyDataContext.HasVariable("Context"))
{
MyDataContext.RemoveLocalValue("Context");
}
MyDataContext.RegisterLocalValue("Context", context);
string newRaw = multiSelectItem.Replace(REPLACE_KEY, GetCurrentLoopItemVariable());
selectOption.Append(ResolveDataContextVariables(newRaw, MyDataContext));
context.Count++;
MyDataContext.RemoveLocalValue(GetCurrentLoopItemVariable());
}
StringBuilder output = new StringBuilder(multiSelectContainerTemplate.Replace(ID_KEY, this.ID));
output.Append(multiSelectItemTemplate.Replace(ID_KEY, this.ID));
output = output.Replace(OPTION_KEY, selectOption.ToString());
output.Append(string.Format(
scriptTemplate.Replace(ID_KEY, this.ID), ID_CONTAINER_KEY.Replace(ID_KEY, this.ID),
ID_ITEMCONTAINER_KEY.Replace(ID_KEY, this.ID), this.Max,
string.IsNullOrEmpty(this.OnSelectMethod) ? "null" : string.Format("typeof {0} == 'undefined' ? null : {0}", this.OnSelectMethod),
this.InputName, this.Group)
);
return(output.ToString());
}
public override void Render(System.IO.TextWriter writer)
{
IEnumerable simpleList = MyDataContext.GetEnumerableVariableObject(RepeatedDataKey);
if (null == simpleList)
{
return;
}
//TODO - hunt down why repeat nested in templates not parsed.
if (Controls.Count == 0 && MyOffset.ChildOffsets.Count > 0)
{
BuildControlTreeFromOffsets();
}
bool hasPrequel = (!string.IsNullOrEmpty(LoopPrequel));
bool hasSequel = (!string.IsNullOrEmpty(LoopSequel));
//System.Collections.Hashtable
LoopContext context = new LoopContext(0, 0);
//resolve the count
if (simpleList is IList)
{
context.Count = ((IList)simpleList).Count;
}
else
{
//enumerate to count items
int count = 0;
foreach (object item in simpleList)
{
count++;
}
context.Count = count;
}
//saftey check on LoopContextVariableKey
if (string.IsNullOrEmpty(LoopContextVariableKey))
{
LoopContextVariableKey = "Context";
}
foreach (object item in simpleList)
{
object realItem = item;
if (item is DictionaryEntry)
{
realItem = ((DictionaryEntry)item).Value;
}
MyDataContext.RegisterLocalValue(this.LoopItemKey, realItem);
if (MyDataContext.HasVariable(this.LoopContextVariableKey))
{
MyDataContext.RemoveLocalValue(this.LoopContextVariableKey);
}
MyDataContext.RegisterLocalValue(this.LoopContextVariableKey, context);
//Evaluate any conditionals
if (EvaluateLoopConditionalExpressionPasses())
{
if (hasPrequel)
{
writer.Write(MyDataContext.ResolveVariables(LoopPrequel));
}
RenderTemplateInstance(writer);
if (hasSequel)
{
writer.Write(MyDataContext.ResolveVariables(LoopSequel));
}
}
context.Index++;
MyDataContext.RemoveLocalValue(this.LoopItemKey);
}
//remove the final context variable
if (MyDataContext.HasVariable(this.LoopContextVariableKey))
{
MyDataContext.RemoveLocalValue(this.LoopContextVariableKey);
}
}