public void Render(TableRowBlockTag tableRowBlockTag, ITemplateContext templateContext, Action<String> appender)
{
var offset = NumericValue.Create(0);
var limit = NumericValue.Create(50);
var cols = NumericValue.Create(5); // TODO: What is the default? https://github.com/Shopify/liquid/blob/master/lib/liquid/tags/table_row.rb
if (tableRowBlockTag.Offset != null)
{
var result = LiquidExpressionEvaluator.Eval(tableRowBlockTag.Offset, templateContext);
if (result.IsSuccess)
{
offset = result.SuccessValue<NumericValue>();
}
}
if (tableRowBlockTag.Limit != null)
{
var result = LiquidExpressionEvaluator.Eval(tableRowBlockTag.Limit, templateContext);
if (result.IsSuccess)
{
limit = result.SuccessValue<NumericValue>();
}
}
if (tableRowBlockTag.Cols != null)
{
var result = LiquidExpressionEvaluator.Eval(tableRowBlockTag.Cols, templateContext);
if (result.IsSuccess)
{
cols = result.SuccessValue<NumericValue>();
}
}
var localBlockScope = new SymbolTable();
templateContext.SymbolTableStack.Push(localBlockScope);
try
{
var iterableFactory = tableRowBlockTag.IterableCreator;
// TODO: the Eval may result in an ArrayValue with no Array
// (i.e. it's undefined). THe ToList therefore fails....
// this should use Bind
var iterable = iterableFactory.Eval(templateContext).ToList();
int length = iterable.Skip(offset.IntValue).Take(limit.IntValue).Count();
if (length == 0)
{
appender(" <tr class=\"row1\">\r\n</tr>"); // this is what ruby liquid does.
return;
}
int currentrow = 0;
int currentcol = 0;
bool needsEndOfRow = false;
int iter = 0;
foreach (var item in iterable.Skip(offset.IntValue).Take(limit.IntValue))
{
templateContext.DefineLocalVariable(tableRowBlockTag.LocalVariable, item);
String typename = item == null ? "null" : item.LiquidTypeName;
templateContext.DefineLocalVariable("tablerowloop", CreateForLoopDescriptor(
tableRowBlockTag.LocalVariable + "-" + typename,
// ReSharper disable RedundantArgumentName
iter: iter,
length: length,
col: currentcol,
maxcol: cols.IntValue,
row: currentrow,
stack: templateContext.SymbolTableStack));
// ReSharper restore RedundantArgumentName
int rowFromOne = currentrow + 1;
int colFromOne = currentcol + 1;
if (currentcol == 0)
{
needsEndOfRow = true;
appender(@"<tr class=""row" + rowFromOne + "\">");
if (currentrow == 0) // ruby liquid prints end-of-line on first row.
{
appender("\r\n");
}
}
appender("<td class=\"col" + colFromOne + @""">");
_renderingVisitor.StartWalking(tableRowBlockTag.LiquidBlock);
appender(@"</td>");
currentcol++;
if (currentcol >= cols.IntValue)
{
needsEndOfRow = false;
appender("</tr>\r\n");
currentcol = 0;
currentrow++;
}
iter++;
}
if (needsEndOfRow)
{
appender("</tr>\r\n");
}
//IterateBlock(forBlockTag, symbolTableStack, iterable);
}
finally
{
templateContext.SymbolTableStack.Pop();
}
}
public void Visit(TableRowBlockTag tableRowBlockTag)
{
_result += tableRowBlockTag.ToString();
}
public void Visit(TableRowBlockTag tableRowBlockTag)
{
new TableRowRenderer(this)
.Render(tableRowBlockTag, _templateContext, AppendTextToCurrentAccumulator);
}