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 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 static void TransferProperty(this DotvvmControl sourceControl, DotvvmControl targetControl, DotvvmProperty targetProperty,
DotvvmProperty sourceProperty)
{
IBinding binding = sourceControl.GetBinding(sourceProperty);
if (binding != null)
{
targetControl.SetBinding(targetProperty, binding);
}
else
{
var value = sourceProperty.GetValue(sourceControl);
if (value != null)
{
targetControl.SetValue(targetProperty, value);
}
}
}