internal IndexerPathStep(PropertyPathListener listener, object source, string index, bool listenToChanges) : base(listener)
{
this.source = source;
this.index = index;
this.listenToChanges = listenToChanges;
this.ConnectToIndexer();
}
internal IndexerPathStep(PropertyPathListener listener, object source, string index, bool listenToChanges)
: base(listener)
{
this.source = source;
this.index = index;
this.listenToChanges = listenToChanges;
this.ConnectToIndexer();
}
internal PropertyAccessPathStep(PropertyPathListener listener, object source, string propertyName, bool listenToChanges)
: base(listener)
{
this.source = source;
this.propertyName = propertyName;
this.listenToChanges = listenToChanges;
this.ConnectToPropertyInSource(false);
}
internal PropertyAccessPathStep(PropertyPathListener listener, object source, string propertyName, bool listenToChanges)
: base(listener)
{
this.source = source;
this.propertyName = propertyName;
this.listenToChanges = listenToChanges;
this.ConnectToProperty();
}
internal PropertyAccessPathStep(PropertyPathListener listener, object source, DependencyProperty property, bool listenToChanges)
: base(listener)
{
this.source = source as DependencyObject;
this.property = property;
this.propertyName = property.Name;
this.listenToChanges = listenToChanges;
this.ConnectToPropertyInSource(false);
}
internal PropertyAccessPathStep(PropertyPathListener listener, object source, DependencyProperty property, bool listenToChanges)
: base(listener)
{
this.source = source as DependencyObject;
this.property = property;
this.propertyName = property.Name;
this.listenToChanges = listenToChanges;
this.ConnectToProperty();
}
internal PropertyPathStep(PropertyPathListener listener)
{
this.Listener = listener;
}
internal abstract PropertyPathStep CreateStep(PropertyPathListener listener, object source, bool listenToChanges);
internal PropertyPathStep(PropertyPathListener listener)
{
this.Listener = listener;
}
internal override PropertyPathStep CreateStep(PropertyPathListener listener, object source, bool listenToChanges)
{
return new PropertyAccessPathStep(listener, source, this.property, listenToChanges);
}
internal override PropertyPathStep CreateStep(PropertyPathListener listener, object source, bool listenToChanges)
{
return new SourcePropertyPathStep(listener, source);
}
internal override PropertyPathStep CreateStep(PropertyPathListener listener, object source, bool listenToChanges)
{
return new IndexerPathStep(listener, source, this.index, listenToChanges);
}
private void CollectionViewSourceViewChanged(PropertyPathListener sender, PropertyPathChangedEventArgs args)
{
this.EffectiveSource = (this.SourceForBinding as CollectionViewSource).View;
this.listener.ReConnect(this.EffectiveSource);
this.SendDataToTarget();
}
internal void SourcePropertyChanged(PropertyPathListener sender, PropertyPathChangedEventArgs args)
{
this.UpdateNotifyDataErrorInfos();
this.SendDataToTarget();
}
internal override PropertyPathStep CreateStep(PropertyPathListener listener, object source, bool listenToChanges)
{
return(new IndexerPathStep(listener, source, this.index, listenToChanges));
}
private void ConnectToSource()
{
this.binding.IsSealed = true;
this.listener = this.binding.Path.GetListener(this.EffectiveSource, this.ListenToChanges, this);
if (this.ListenToChanges)
{
this.listener.PropertyPathChanged += new PropertyPathStepChangedHandler(this.SourcePropertyChanged);
}
}
private void DisconnectFromSource()
{
if (this.listener != null)
{
this.listener.Disconnect();
if (this.ListenToChanges)
{
this.listener.PropertyPathChanged -= new PropertyPathStepChangedHandler(this.SourcePropertyChanged);
}
this.listener = null;
}
if (this.cvsViewListener != null)
{
this.cvsViewListener.Disconnect();
this.cvsViewListener.PropertyPathChanged -= new PropertyPathStepChangedHandler(this.SourcePropertyChanged);
this.cvsViewListener = null;
}
}
internal override PropertyPathStep CreateStep(PropertyPathListener listener, object source, bool listenToChanges)
{
return(new PropertyAccessPathStep(listener, source, this.name, listenToChanges));
}
internal abstract PropertyPathStep CreateStep(PropertyPathListener listener, object source, bool listenToChanges);
internal SourcePropertyPathStep(PropertyPathListener listener, object source)
: base(listener)
{
this.source = source;
}
internal override PropertyPathStep CreateStep(PropertyPathListener listener, object source, bool listenToChanges)
{
return(new SourcePropertyPathStep(listener, source));
}
