public static void AddKnockoutDataBind(this IHtmlWriter writer, string name, DotvvmControl control, DotvvmProperty property, Action nullBindingAction = null,
string valueUpdate = null, bool renderEvenInServerRenderingMode = false, bool setValueBack = false)
{
var expression = control.GetValueBinding(property);
if (expression != null && (!control.RenderOnServer || renderEvenInServerRenderingMode))
{
writer.AddAttribute("data-bind", name + ": " + expression.GetKnockoutBindingExpression(), true, ", ");
if (valueUpdate != null)
{
writer.AddAttribute("data-bind", "valueUpdate: '" + valueUpdate + "'", true, ", ");
}
}
else
{
if (nullBindingAction != null)
{
nullBindingAction();
}
if (setValueBack && expression != null)
{
control.SetValue(property, expression.Evaluate(control, property));
}
}
}
public void Add(string name, DotvvmControl control, DotvvmProperty property, Action nullBindingAction)
{
var binding = control.GetValueBinding(property);
if (binding == null)
{
nullBindingAction();
}
else
{
entries.Add(new KnockoutBindingInfo()
{
Name = name, Expression = control.GetValueBinding(property).GetKnockoutBindingExpression()
});
}
}
public virtual void Add(string name, DotvvmControl control, DotvvmProperty property, Action? nullBindingAction = null)
{
var binding = control.GetValueBinding(property);
if (binding == null)
{
if (nullBindingAction != null) nullBindingAction();
else Add(name, JsonConvert.SerializeObject(control.GetValue(property), DefaultViewModelSerializer.CreateDefaultSettings()));
}
else
{
entries.Add(new KnockoutBindingInfo(name, GetKnockoutBindingExpression(control, binding)));
}
}
public void Add(string name, DotvvmControl control, DotvvmProperty property, Action nullBindingAction = null)
{
var binding = control.GetValueBinding(property);
if (binding == null)
{
if (nullBindingAction != null)
{
nullBindingAction();
}
else
{
Add(name, JsonConvert.SerializeObject(control.GetValue(property)));
}
}
else
{
entries.Add(new KnockoutBindingInfo()
{
Name = name, Expression = control.GetValueBinding(property).GetKnockoutBindingExpression(control)
});
}
}
public static void WriteKnockoutDataBindComment(this IHtmlWriter writer, string name, DotvvmControl control, DotvvmProperty property)
{
writer.WriteUnencodedText($"<!-- ko { name }: { control.GetValueBinding(property).GetKnockoutBindingExpression() } -->");
}