public override void LoadContainers(bool refresh)
{
if (refresh || ContainerChildren.Count == 0 || ContainerChildren.FirstOrDefault() == ContainerVM.PLACE_HOLDER)
{
// due to nature of shell enumeration
// we can load both file and folders together.
ContainerChildren.Clear();
SingleChildren.Clear();
foreach (ShellObject sub in Folder)
{
var folder = sub as ShellFolder;
if (folder != null)
{
ContainerChildren.Add(new ShellFolderVM(Provider, this, folder));
}
else
{
var file = sub as ShellFile;
if (file != null)
{
SingleChildren.Add(new ShellFileVM(Provider, this, file));
}
else
{
sub.Dispose();
}
}
}
}
}
/// <summary>
/// Add an attribute to be applied to the element of the specified id.
/// </summary>
public ElementBuilder SetAttribute(string id, string key, Func <string> getValue)
{
ElementBuilder builder;
// get the builder of the child if already assigned
if (SingleChildren.TryGetValue(id, out builder))
{
Teple <string, IFunc <string> > value;
if (builder.Attributes.TryGetValue(key, out value))
{
value.ArgB = new FuncSet <string>(getValue);
}
else
{
builder.Attributes.Add(key, new Teple <string, IFunc <string> >(null, new FuncSet <string>(getValue)));
}
}
else
{
builder = new ElementBuilder();
_singleChildren.Add(id, builder = new ElementBuilder());
builder.Attributes.Add(id, new Teple <string, IFunc <string> >(null, new FuncSet <string>(getValue)));
}
return(builder);
}
/// <summary>
/// Add an attribute to be applied to the element of the specified id.
/// </summary>
public ElementBuilder SetAttribute(string id, string key, string value, IAction <Element> onElement = null)
{
ElementBuilder builder;
if (!SingleChildren.TryGetValue(id, out builder))
{
_singleChildren.Add(id, builder = new ElementBuilder());
}
if (builder.Attributes == null)
{
builder.Attributes = new Dictionary <string, Teple <string, IFunc <string> > >();
}
Teple <string, IFunc <string> > attribute;
if (builder.Attributes.TryGetValue(key, out attribute))
{
attribute.ArgA = value;
}
else
{
builder.Attributes.Add(key, new Teple <string, IFunc <string> >(value, null));
}
if (onElement != null)
{
builder._onBuilt = onElement;
}
return(builder);
}
/// <summary>
/// Get a builder for the element specified by id.
/// </summary>
public ElementBuilder Get(string id)
{
ElementBuilder builder;
if (!SingleChildren.TryGetValue(id, out builder))
{
_singleChildren.Add(id, builder = new ElementBuilder());
}
return(builder);
}
/// <summary>
/// Loads the <see cref="SingleChildren"/> collection.
/// </summary>
/// <param name="refresh">if set to <c>true</c> then always load, otherwise it'll only load when necessary.</param>
public virtual void LoadSingles(bool refresh)
{
if (refresh || SingleChildren.Count == 0)
{
SingleChildren.Clear();
foreach (var c in Provider.GetSingleChildren(this))
{
SingleChildren.Add(c);
}
}
}
/// <summary>
/// Remove the specified child by id.
/// </summary>
public void RemoveChild(string id)
{
ElementBuilder builder;
if (SingleChildren.TryGetValue(id, out builder))
{
builder.Action = BuilderAction.Remove;
}
else
{
builder = new ElementBuilder();
builder.Action = BuilderAction.Remove;
_singleChildren.Add(id, builder);
}
}
/// <summary>
/// Add a child to the element builder to replace an existing id.
/// </summary>
public ElementBuilder ReplaceChild(string id, Element element, IAction <Element> onElement = null)
{
ElementBuilder builder;
if (!SingleChildren.TryGetValue(id, out builder))
{
_singleChildren.Add(id, builder = new ElementBuilder());
}
builder.Action = BuilderAction.Replace;
builder.Element = element;
if (onElement != null)
{
builder._onBuilt = onElement;
}
return(builder);
}
/// <summary>
/// Add an attribute to be applied to the element of the specified id.
/// </summary>
public ElementBuilder AddContent(string id, Func <string> content, IAction <Element> onElement = null)
{
ElementBuilder builder;
if (!SingleChildren.TryGetValue(id, out builder))
{
_singleChildren.Add(id, builder = new ElementBuilder());
}
if (builder.Content == null)
{
builder.Content = new ArrayRig <Teple <string, IFunc <string> > >();
}
builder.Content.Add(new Teple <string, IFunc <string> >(null, new FuncSet <string>(content)));
if (onElement != null)
{
builder._onBuilt = onElement;
}
return(builder);
}
