public static ParametrizedCode AddIndexerToViewModel(ParametrizedCode script, JsExpression indexer, bool unwrap = false)
{
return(indexerCode.AssignParameters(o =>
o == indexerTargetParameter ? new CodeParameterAssignment(script) :
o == indexerExpressionParameter ? CodeParameterAssignment.FromExpression(indexer) :
default(CodeParameterAssignment)));
}
/// <summary>
/// Get's Javascript code that can be executed inside knockout data-bind attribute.
/// </summary>
public static string FormatKnockoutScript(ParametrizedCode expression, ParametrizedCode contextVariable, ParametrizedCode dataVariable = null)
{
if (dataVariable == null)
{
dataVariable = new ParametrizedCode.Builder {
contextVariable, ".$data"
}
}
/// <summary>
/// Get's Javascript code that can be executed inside knockout data-bind attribute.
/// </summary>
public static string FormatKnockoutScript(ParametrizedCode expression, bool allowDataGlobal = true, int dataContextLevel = 0)
{
// TODO(exyi): more symbolic parameters
return(AdjustKnockoutScriptContext(expression, dataContextLevel)
.ToString(o => o == KnockoutContextParameter ? CodeParameterAssignment.FromIdentifier("$context", true) :
o == KnockoutViewModelParameter ? CodeParameterAssignment.FromIdentifier("$data", allowDataGlobal) :
o == CurrentIndexParameter ? CodeParameterAssignment.FromIdentifier("$index()") :
throw new Exception()));
}
/// <summary>
/// Get's Javascript code that can be executed inside knockout data-bind attribute.
/// </summary>
public static string FormatKnockoutScript(ParametrizedCode expression, bool allowDataGlobal = true, int dataContextLevel = 0)
{
// TODO(exyi): more symbolic parameters
var adjusted = AdjustKnockoutScriptContext(expression, dataContextLevel);
if (allowDataGlobal)
{
return(adjusted.ToDefaultString());
}
else
{
return(adjusted.ToString(o =>
o == KnockoutViewModelParameter ? CodeParameterAssignment.FromIdentifier("$data", allowDataGlobal) :
public static ParametrizedCode AdjustKnockoutScriptContext(ParametrizedCode expression, int dataContextLevel)
{
if (dataContextLevel == 0)
{
return(expression);
}
var(contextExpresion, dataExpression) = GetKnockoutContextParameters(dataContextLevel);
var(context, data) = (CodeParameterAssignment.FromExpression(contextExpresion), CodeParameterAssignment.FromExpression(dataExpression));
return(expression.AssignParameters(o =>
o == KnockoutContextParameter ? context :
o == KnockoutViewModelParameter ? data :
default(CodeParameterAssignment)
));
}
public static ParametrizedCode AddIndexerToViewModel(ParametrizedCode script, object index, bool unwrap = false) => AddIndexerToViewModel(script, new JsLiteral(index), unwrap);
