protected void RemoveChild(ObservableNode node)
{
if (node == null)
{
throw new ArgumentNullException("node");
}
if (!Children.Contains(node))
{
throw new InvalidOperationException("The node is not in the children list of its parent.");
}
if (node.IsVisible)
{
--VisibleChildrenCount;
}
node.IsVisibleChanged -= ChildVisibilityChanged;
if (initializingChildren == null)
{
NotifyPropertyChanging(node.Name);
}
node.Parent = null;
if (initializingChildren == null)
{
children.Remove(node);
NotifyPropertyChanged(node.Name);
}
else
{
initializingChildren.Remove(node);
}
}
protected void AddChild(ObservableNode node)
{
if (node == null)
{
throw new ArgumentNullException("node");
}
if (node.Parent != null)
{
throw new InvalidOperationException("The node already have a parent.");
}
if (Children.Contains(node))
{
throw new InvalidOperationException("The node is already in the children list of its parent.");
}
if (initializingChildren == null)
{
NotifyPropertyChanging(node.Name);
}
node.Parent = this;
if (initializingChildren == null)
{
children.Add(node);
NotifyPropertyChanged(node.Name);
}
else
{
initializingChildren.Add(node);
}
if (node.IsVisible)
{
++VisibleChildrenCount;
}
node.IsVisibleChanged += ChildVisibilityChanged;
}
protected void RemoveChild(ObservableNode node)
{
if (node == null) throw new ArgumentNullException(nameof(node));
if (!Children.Contains(node)) throw new InvalidOperationException("The node is not in the children list of its parent.");
if (node.IsVisible)
--VisibleChildrenCount;
node.IsVisibleChanged -= ChildVisibilityChanged;
if (initializingChildren == null)
{
NotifyPropertyChanging(node.Name);
}
node.Parent = null;
if (initializingChildren == null)
{
children.Remove(node);
NotifyPropertyChanged(node.Name);
}
else
{
initializingChildren.Remove(node);
}
}
protected void AddChild(ObservableNode node)
{
if (node == null) throw new ArgumentNullException(nameof(node));
if (node.Parent != null) throw new InvalidOperationException("The node already have a parent.");
if (Children.Contains(node)) throw new InvalidOperationException("The node is already in the children list of its parent.");
if (initializingChildren == null)
{
NotifyPropertyChanging(node.Name);
}
node.Parent = this;
if (initializingChildren == null)
{
children.Add(node);
NotifyPropertyChanged(node.Name);
}
else
{
initializingChildren.Add(node);
}
if (node.IsVisible)
++VisibleChildrenCount;
node.IsVisibleChanged += ChildVisibilityChanged;
}
/// <summary>
/// Initializes a new instance of the ObservableViewModelConsistencyException class.
/// </summary>
/// <param name="node">The node that is related to this error.</param>
/// <param name="messageFormat">A composite format string that describes the error.</param>
/// <param name="args">An object array that contains zero or more objects to format.</param>
public ObservableViewModelConsistencyException(ObservableNode node, string messageFormat, params object[] args)
: base(string.Format(messageFormat, args))
{
Node = node;
}
public ObservableNodeDynamicMetaObject(Expression parameter, ObservableNode observableNode)
: base(parameter, BindingRestrictions.Empty, observableNode)
{
node = observableNode;
}
/// <summary>
/// Initializes a new instance of the <see cref="SingleObservableNode"/> class.
/// </summary>
/// <param name="ownerViewModel">The <see cref="ObservableViewModel"/> that owns the new <see cref="SingleObservableNode"/>.</param>
/// <param name="baseName">The base name of this node. Can be null if <see cref="index"/> is not. If so a name will be automatically generated from the index.</param>
/// <param name="parentNode">The parent node of the new <see cref="SingleObservableNode"/>, or <c>null</c> if the node being created is the root node of the view model.</param>
/// <param name="index">The index of this content in the model node, when this node represent an item of a collection. <c>null</c> must be passed otherwise</param>
protected SingleObservableNode(ObservableViewModel ownerViewModel, string baseName, ObservableNode parentNode, object index = null)
: base(ownerViewModel, parentNode, index)
{
if (baseName == null && index == null)
{
throw new ArgumentException("baseName and index can't be both null.");
}
CombineMode = CombineMode.CombineOnlyForAll;
SetName(baseName);
}
/// <summary>
/// Initializes a new instance of the ObservableViewModelConsistencyException class.
/// </summary>
/// <param name="node">The node that is related to this error.</param>
/// <param name="messageFormat">A composite format string that describes the error.</param>
/// <param name="args">An object array that contains zero or more objects to format.</param>
public ObservableViewModelConsistencyException(ObservableNode node, string messageFormat, params object[] args)
: base(string.Format(messageFormat, args))
{
Node = node;
}
public ObservableNodeDynamicMetaObject(Expression parameter, ObservableNode observableNode)
: base(parameter, BindingRestrictions.Empty, observableNode)
{
node = observableNode;
}
