/// <summary>
/// Helper function called by a child of this collection to handle renaming of this child.
/// </summary>
/// <param name="newName">The new name of the child.</param>
/// <param name="child">The child's instance.</param>
/// <param name="setName">Action to set the name to the provided value. This function should only do set the name, but not raise any evens etc.</param>
/// <param name="raiseOnNameChanged">Action to raise the NameChanged event on the child.</param>
/// <exception cref="ArgumentNullException">newName - New name is null</exception>
/// <exception cref="ApplicationException"></exception>
public void RenameChild(INameOwner child, string newName, Action <string> setName, Action <string> raiseOnNameChanged)
{
var oldName = child.Name;
if (null == newName)
{
throw new ArgumentNullException(nameof(newName), string.Format("New name of {0} is null (the old name was: {1})", child?.GetType(), oldName));
}
if (newName == oldName)
{
return; // nothing changed
}
var parentAs = (IParentOfINameOwnerChildNodes)this;
var canBeRenamed = parentAs.EhChild_CanBeRenamed(child, newName);
if (canBeRenamed)
{
setName(newName);
parentAs.EhChild_HasBeenRenamed(child, oldName);
raiseOnNameChanged(oldName);
}
else
{
throw new ApplicationException(string.Format("Renaming of {0} {1} into {2} not possible, because name exists already", child.GetType().Name, oldName, newName));
}
}
private void EhTableNameChanged_Unsynchronized(INameOwner sender, string oldName)
{
var view = ViewObject as IWorksheetView;
if (view != null)
view.TableViewTitle = _table.Name;
this.TitleName = _table.Name;
}
private void EhGraphDocumentNameChanged_Unsynchronized(INameOwner sender, string oldName)
{
if (null != _view)
_view.GraphViewTitle = Doc.Name;
this.TitleName = Doc.Name;
}
