/// <summary>
/// Binds two objects and its properties with no regard to the fact if they are
/// originally designed with SDB in mind or not
/// </summary>
/// <param name="aDirection">
/// Direction in which data flows <see cref="EBindDirection"/>
/// </param>
/// <param name="aObj1">
/// First object <see cref="System.Object"/>
/// </param>
/// <param name="aPropName1">
/// Property name for first object <see cref="System.String"/>
/// </param>
/// <param name="aObj2">
/// Second object <see cref="System.Object"/>
/// </param>
/// <param name="aPropName2">
/// Property name for second object <see cref="System.String"/>
/// </param>
/// <returns>
/// DataLinker object which can be used if it is needed to be handled manually <see cref="DataLinker"/>
/// </returns>
public static DataLinker Bind(EBindDirection aDirection, object aObj1, string aPropName1, object aObj2, string aPropName2)
{
if ((aObj1 == null) || (aObj2 == null) || (aPropName1 == "") || (aPropName2 == ""))
{
return(null);
}
// Search for existing link
foreach (DataLinker dl in links)
{
if ((aObj1 == dl.Source) && (aObj2 == dl.Destination))
{
if ((aPropName1 == dl.SourceProperty) && (aPropName2 == dl.DestinationProperty))
{
return(dl);
}
}
if ((aObj1 == dl.Destination) && (aObj2 == dl.Source))
{
if ((aPropName1 == dl.DestinationProperty) && (aPropName2 == dl.SourceProperty))
{
return(dl);
}
}
}
// If it came to here then this binding is unique
DataLinker ndl = new DataLinker(aDirection, aObj1, aPropName1, aObj2, aPropName2);
links.Add(ndl);
return(ndl);
}
/// <summary>
/// Removes all bindings for particular object
/// </summary>
/// <param name="aLink">
/// Object removed from bindings <see cref="System.Data.Bindings.DataLinker"/>
/// </param>
public static void Unbind(DataLinker aObject)
{
if (aObject == null)
{
return;
}
for (int i = 0; i < links.Count; i++)
{
if (aObject == links[i])
{
links.RemoveAt(i);
aObject.Disconnect();
aObject = null;
return;
}
}
}
/// <summary>
/// Removes all bindings for particular object
/// </summary>
/// <param name="aObject">
/// Object removed from bindings <see cref="System.Object"/>
/// </param>
public static void Unbind(object aObject)
{
if (aObject == null)
{
return;
}
DataLinker lnk = null;
for (int i = (links.Count - 1); i >= 0; i--)
{
lnk = (DataLinker)links[i];
if (lnk != null)
{
if ((lnk.Source == aObject) || (lnk.Destination == aObject))
{
lnk.Disconnect();
links.RemoveAt(i);
}
}
}
}
