/// <summary>
/// To be called before updating to add/remove resource relationships according to the components.
/// </summary>
/// <returns>True if resources were updated.</returns>
public bool UpdateResources(Page page)
{
var resourcesUpdated = false;
var pageRes = _resourceManager.GetResourcesFromPage(page);
var decs = getUICDeclarations(page);
var compRes = decs.PageResources;
// remove non required resources
foreach (var res in pageRes)
{
if (!compRes.Any(r => res.Equals(r)))
{
_resourceManager.RemoveResource(page, res);
resourcesUpdated = true;
}
}
// add required resources
foreach (var res in compRes)
{
if (!pageRes.Any(r => res.Equals(r)))
{
_resourceManager.AddResource(page, res);
resourcesUpdated = true;
}
}
// remove any unused properties
var propsInUse = decs.PagePropertyNames;
var propsToDelete = new List<string>();
foreach (var prop in page.Properties)
{
if (propsInUse.All(p => p != prop.Name))
{
propsToDelete.Add(prop.Name);
}
}
foreach (var prop in propsToDelete)
{
page.DeleteProperty(prop);
}
return resourcesUpdated;
}