/// <summary>
/// Does a command</summary>
/// <param name="commandTag">Command</param>
void ICommandClient.DoCommand(object commandTag)
{
ISelectionContext selectionContext = m_contextRegistry.GetActiveContext <ISelectionContext>();
ITransactionContext transactionContext = m_contextRegistry.GetActiveContext <ITransactionContext>();
ILockingContext lockingContext = m_contextRegistry.GetActiveContext <ILockingContext>();
if (commandTag is StandardCommand)
{
switch ((StandardCommand)commandTag)
{
case StandardCommand.EditLock:
transactionContext.DoTransaction(delegate
{
Lock(selectionContext.Selection, lockingContext);
},
CommandInfo.EditLock.MenuText);
break;
case StandardCommand.EditUnlock:
transactionContext.DoTransaction(delegate
{
Unlock(selectionContext.Selection, lockingContext);
},
CommandInfo.EditUnlock.MenuText);
break;
}
}
}
/// <summary>
/// Unlocks the lockable items in the locking context</summary>
///<param name="items">Items to unlock</param>
///<param name="lockingContext">Locking context</param>
public void Unlock(
IEnumerable<object> items,
ILockingContext lockingContext)
{
foreach (object item in items)
if (lockingContext.CanSetLocked(item) && lockingContext.IsLocked(item))
lockingContext.SetLocked(item, false);
}
/// <summary>
/// Unlocks the lockable items in the locking context</summary>
///<param name="items">Items to unlock</param>
///<param name="lockingContext">Locking context</param>
public void Unlock(
IEnumerable <object> items,
ILockingContext lockingContext)
{
foreach (object item in items)
{
if (lockingContext.CanSetLocked(item) && lockingContext.IsLocked(item))
{
lockingContext.SetLocked(item, false);
}
}
}
/// <summary>
/// Checks if the client can do the command</summary>
/// <param name="commandTag">Command</param>
/// <returns>True if client can do the command</returns>
bool ICommandClient.CanDoCommand(object commandTag)
{
bool canDo = false;
if (commandTag is StandardCommand)
{
ISelectionContext selectionContext = m_contextRegistry.GetActiveContext <ISelectionContext>();
ILockingContext lockingContext = m_contextRegistry.GetActiveContext <ILockingContext>();
if (selectionContext != null &&
lockingContext != null)
{
switch ((StandardCommand)commandTag)
{
case StandardCommand.EditLock:
foreach (object item in selectionContext.Selection)
{
if (lockingContext.CanSetLocked(item) &&
!lockingContext.IsLocked(item))
{
canDo = true;
break;
}
}
break;
case StandardCommand.EditUnlock:
foreach (object item in selectionContext.Selection)
{
if (lockingContext.CanSetLocked(item) &&
lockingContext.IsLocked(item))
{
canDo = true;
break;
}
}
break;
}
}
}
return(canDo);
}
