public EvaluatorResponse Evaluate(Node node, EvaluatorOption options)
{
if (options.IgnoreEvaluators.HasFlag(EnumEvaluator.For))
{
return(null);
}
if (node.nodeType != enumNodeType.ELEMENT)
{
return(null);
}
var element = node as Element;
string attName = null;
foreach (var item in element.attributes)
{
var lower = item.name.ToLower();
if (lower == "tal-for" || lower == "k-for")
{
attName = item.name;
break;
}
}
if (string.IsNullOrEmpty(attName))
{
return(null);
}
string repeatitems = element.getAttribute(attName).Trim();
if (string.IsNullOrEmpty(repeatitems))
{
return(null);
}
element.removeAttribute(attName);
bool repeatself = false;
if (element.hasAttribute("repeat-self"))
{
repeatself = true;
element.removeAttribute("repeat-self");
}
else if (element.hasAttribute("tal-repeat-self"))
{
repeatself = true;
element.removeAttribute("tal-repeat-self");
}
else if (element.hasAttribute("k-repeat-self"))
{
repeatself = true;
element.removeAttribute("k-repeat-self");
}
var para = PrasePara(repeatitems);
if (para == null)
{
return(null);
}
ForRenderTask task = new ForRenderTask(para.DataKey, para.LowBound, para.HighBound, repeatself, element, options);
var response = new EvaluatorResponse();
var result = new List <IRenderTask>();
result.Add(task);
response.ContentTask = result;
response.OmitTag = true;
response.StopNextEvaluator = true;
if (options.RequireBindingInfo)
{
if (response.BindingTask == null)
{
response.BindingTask = new List <IRenderTask>();
}
var traceability = new RepeatTrace();
var bindingTask = new BindingRenderTask(traceability);
response.BindingTask.Add(bindingTask);
if (response.EndBindingTask == null)
{
response.EndBindingTask = new List <IRenderTask>();
}
response.EndBindingTask.Add(bindingTask.BindingEndRenderTask);
}
return(response);
}
public EvaluatorResponse Evaluate(Node node, EvaluatorOption options)
{
if (options.IgnoreEvaluators.HasFlag(EnumEvaluator.Repeater))
{
return(null);
}
if (node.nodeType != enumNodeType.ELEMENT)
{
return(null);
}
var element = node as Element;
string attName = null;
foreach (var item in element.attributes)
{
var lower = item.name.ToLower();
if (lower == "tal-repeat" || lower == "k-repeat" || lower == "k-foreach")
{
attName = item.name;
break;
}
}
if (string.IsNullOrEmpty(attName))
{
return(null);
}
string repeatitems = element.getAttribute(attName).Trim();
if (string.IsNullOrEmpty(repeatitems))
{
return(null);
}
//if (!options.RequireBindingInfo)
// {
element.removeAttribute(attName);
//}
bool repeatself = false;
if (element.hasAttribute("repeat-self"))
{
repeatself = true;
element.removeAttribute("repeat-self");
}
else if (element.hasAttribute("tal-repeat-self"))
{
repeatself = true;
element.removeAttribute("tal-repeat-self");
}
else if (element.hasAttribute("k-repeat-self"))
{
repeatself = true;
element.removeAttribute("k-repeat-self");
}
string datakey;
string alias = string.Empty;
// the repeat item can be with or without an alias. it can be like articles or "item articles";
string[] items = repeatitems.Split(' ');
if (items.Length == 1)
{
datakey = items[0];
}
else if (items.Length == 2)
{
datakey = items[1];
alias = items[0];
}
else
{
return(null);
}
RepeatRenderTask task = new RepeatRenderTask(datakey, alias, repeatself, element, options);
var response = new EvaluatorResponse();
List <IRenderTask> result = new List <IRenderTask>();
result.Add(task);
response.ContentTask = result;
response.OmitTag = true;
response.StopNextEvaluator = true;
if (options.RequireBindingInfo)
{
if (response.BindingTask == null)
{
response.BindingTask = new List <IRenderTask>();
}
var traceability = new RepeatTrace();
var bindingTask = new BindingRenderTask(traceability);
response.BindingTask.Add(bindingTask);
if (response.EndBindingTask == null)
{
response.EndBindingTask = new List <IRenderTask>();
}
response.EndBindingTask.Add(bindingTask.BindingEndRenderTask);
}
return(response);
}
