Examples of org.eclipse.core.commands.operations.IUndoableOperation.canExecute()

Package org.eclipse.core.commands.operations

Class org.eclipse.core.commands.operations.IUndoableOperation

Examples of org.eclipse.core.commands.operations.IUndoableOperation.canExecute()

org.eclipse.core.commands.operations.IUndoableOperation.canExecute()

Returns whether the operation can be executed in its current state.

Note: The computation for this method must be fast, as it is called frequently. If necessary, this method can be optimistic in its computation (returning true) and later perform more time-consuming computations during the actual execution of the operation, returning the appropriate status if the operation cannot actually execute at that time.
@return true if the operation can be executed;false otherwise.

    for (final Iterator it = _stepOperations.iterator(); it.hasNext();)
    {
      IUndoableOperation op = (IUndoableOperation) it.next();
      
      // fail fast
      if (!op.canExecute())
      {
        return false;
      }
    }

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    for (final Iterator it = _stepOperations.iterator(); it.hasNext();)
    {
      IUndoableOperation op = (IUndoableOperation) it.next();
      
      // fail fast
      if (!op.canExecute())
      {
        return false;
      }
    }

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