/// <summary>
/// Safely init layout control element and sighn up on internal hadler events.
/// </summary>
/// <param name="control">The GUI control that will be instiniated.</param>
/// <param name="member">The member that will be binded to the GUI.</param>
/// <param name="value">Value that will applied as default.</param>
public void ControlSignUp(IGUIField control, MemberInfo member, object value)
{
try
{
// Registrate member in auto layout handler.
control.RegistrateField(this, member, value);
// Adding instiniated element to the layout.
activeLayer?.ApplyControl(control as FrameworkElement);
}
catch (Exception ex)
{ MessageBox.Show("Constrol sign up failed.\n\nDetails:\n" + ex.Message); }
}
/// <summary>
/// Insiniate UI by descriptor's attributes map and add it as child to parent element.
/// </summary>
/// <param name="layer">UI layer that will used as a root for the descriptor's elements.</param>
public void BindTo(LayoutLayer layer)
{
// Storing layer.
RootLayer = layer;
activeLayer = layer;
#region Getting descripting data
// Getting relevant type.
var selfType = this.GetType();
// Getting options applied to every memeber.
var globalOptions = Attribute.GetCustomAttributes(selfType, typeof(Attribute)).Where
(f => f.GetType().GetInterface(typeof(IGUILayoutOption).FullName) != null);
// Get all memebers.
var members = selfType.GetMembers();
// Sorting by order.
var orderedMembers = members.Where(f => f.GetCustomAttribute <OrderAttribute>() != null).
OrderBy(f => f.GetCustomAttribute <OrderAttribute>().Order);
// Sorting disordered members by metadata.
var disorderedMembers = members.Where(f => f.GetCustomAttribute <OrderAttribute>() == null).
OrderBy(f => f.MetadataToken);
#endregion
// Sort in declaretion order.
members = orderedMembers.Concat(disorderedMembers).ToArray();
// Perform all descriptor map.
foreach (MemberInfo member in members)
{
var memberMeta = new MembersHandler.MemberMeta(member);
#region Validation
// Skip if the member is not field or property.
if (!memberMeta.IsValue)
{
continue;
}
// Skip if member excluded from instpector.
if (member.GetCustomAttribute <HideInInspectorAttribute>() != null)
{
continue;
}
#endregion
// Instantiating a field from member.
var field = InstantiateMember(ref activeLayer, memberMeta, globalOptions);
// Skip in case if not instantiated.
if (field == null)
{
continue;
}
// Applying to the layout.
activeLayer?.ApplyControl(field as FrameworkElement);
}
// Marking as loaded.
IsLoaded = true;
// Calling the local handler.
OnLoaded();
// Inform subscribers.
Loaded?.Invoke(this);
}
/// <summary>
/// Binding UIDescriptor content to the layer's root.
/// </summary>
/// <param name="layer">Target layer.</param>
public async Task BindToAsync(LayoutLayer layer)
{
// Storing layer.
RootLayer = layer;
activeLayer = layer;
#region Getting descripting data
// Getting relevant type.
var selfType = this.GetType();
// Getting options applied to every memeber.
var globalOptions = Attribute.GetCustomAttributes(selfType, typeof(Attribute)).Where
(f => f.GetType().GetInterface(typeof(IGUILayoutOption).FullName) != null);
// Get all memebers.
var members = selfType.GetMembers();
// Sorting by order.
var orderedMembers = members.Where(f => f.GetCustomAttribute <OrderAttribute>() != null).
OrderBy(f => f.GetCustomAttribute <OrderAttribute>().Order);
// Sorting disordered members by metadata.
var disorderedMembers = members.Where(f => f.GetCustomAttribute <OrderAttribute>() == null).
OrderBy(f => f.MetadataToken);
#endregion
// Sort in declaretion order.
members = orderedMembers.Concat(disorderedMembers).ToArray();
// Perform all descriptor map.
foreach (MemberInfo member in members)
{
var memberMeta = new MembersHandler.MemberMeta(member);
#region Validation
// Skip if the member is not field or property.
if (!memberMeta.IsValue)
{
continue;
}
// Skip if member excluded from instpector.
if (member.GetCustomAttribute <HideInInspectorAttribute>() != null)
{
continue;
}
#endregion
#region Virtualization
// Suspending virtualization
if (IsVirtualized &&
virtualizedPackCounter == VirtualizedItemsPack)
{
// Droping the counter.
virtualizedPackCounter = 0;
// Waiting till loading.
while (!lastVirtualizedElement.IsLoaded)
{
await Task.Delay(5);
}
Panel rootPanel = (Panel)RootLayer.root;
// Checking if the last element still in the visible bounds.
bool isVisible = LayoutHandler.IsUserVisible(lastVirtualizedElement, Window.GetWindow(lastVirtualizedElement));
// Suspending if the last not visible till view update.
if (!isVisible)
{
// Marker that using for blocking the thread.
bool unlocked = false;
var window = Window.GetWindow(lastVirtualizedElement);
// Waiting till the root will change a size/
window.Activated += Activated;
rootPanel.SizeChanged += SizeChanged;
void Activated(object sender, EventArgs e)
{
VirtValHandler();
};
void SizeChanged(object sender, SizeChangedEventArgs e)
{
VirtValHandler();
};
void VirtValHandler()
{
// Checking if the last element is already visible.
isVisible = LayoutHandler.IsUserVisible(lastVirtualizedElement, window);
if (isVisible)
{
// Unsubscribing from event.
window.Activated -= Activated;
rootPanel.SizeChanged -= SizeChanged;
// Unblocking the thread.
unlocked = true;
}
}
// Unblocking instantiation of next group of elements.
while (!unlocked)
{
await Task.Delay(5);
}
}
}
#endregion
if (!(RegistredFields[member] is IGUIField virtualizedElement))
{
// Instantiating a member.
var field = InstantiateMember(ref activeLayer, memberMeta, globalOptions);
// Skip in case if not instantiated.
if (field == null)
{
continue;
}
// Storing in virtualization meta.
var meta = new VirtualizedItemMeta(
field,
ref activeLayer,
member);
// Settup into virtualization system.
lastVirtualizedElement = meta.Element ?? lastVirtualizedElement;
//VirtualizedElements.Add(meta);
// Applying to the layout.
activeLayer?.ApplyControl(field as FrameworkElement);
}