public override void Update(System.Html.Element element, Func <object> valueAccessor, Func <System.Collections.Dictionary> allBindingsAccessor, object viewModel, object context)
{
// Whenever the value subsequently changes, slowly fade the element in or out
Observable <bool> observable = (Observable <bool>)valueAccessor();
string effectIn = (string)((object)allBindingsAccessor()["effectIn"]);
string effectOut = (string)((object)allBindingsAccessor()["effectOut"]);
jQueryObject item = jQuery.FromElement(element);
string effect = KnockoutUtils.UnwrapObservable(observable) ? effectIn : effectOut;
switch (effect)
{
case "fadeIn":
item.FadeIn();
break;
case "fadeOut":
item.FadeOut();
break;
case "slideUp":
item.SlideUp();
break;
case "slideDown":
item.SlideDown();
break;
}
}
/// <summary>
/// Updats the HTML element with new HTML
/// Also, loads the new JS object (module) to handle the behavior
/// </summary>
/// <param name="content">The element to be updated</param>
/// <param name="value">The HTML with which to update it</param>
private static void UpdateModule(jQueryObject content, string value)
{
Module module = null;
// Find elements which have data-type attribute with any value
// The attribute is applied to elements that can be updated
jQueryObject dataTypes = content.Children("*[data-type]");
// If updatable elements exist,
if (dataTypes.Length > 0)
{
// Get the first element found
Element element = dataTypes.First().GetElement(0);
// Find the corresponding module
module = Module.GetModule(element);
// Now we have the module which should be unloaded and then updated
}
// Fade the element out and update with the new HTML
content.FadeOut(250, delegate()
{
// Unload the module
// BUGBUG: when can this be NULL
if (null != module)
{
module.Unload();
}
// Update the content
content.Html(value);
content.FadeIn(250);
// Check if it has any child modules to be loaded
dataTypes = content.Children("*[data-type]");
if (dataTypes.Length > 0)
{
// Load only the first
LoadModule(dataTypes.First().GetElement(0));
// BUGBUG: do we care about the rest?
}
});
}
