public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
{
if (value is TASKWORKINGSTYLE)
{
TASKWORKINGSTYLE ws = (TASKWORKINGSTYLE)value;
if (ws != TASKWORKINGSTYLE.STRAIGHT)
{
return(true);
}
}
return(false);
}
private void calcNewWorkingStyle()
{
// get bound task
ITask task = this.DataContext as ITask;
if (task != null)
{
// cycle button around
TASKWORKINGSTYLE oldStyle = task.WorkingStyle;
TASKWORKINGSTYLE newStyle = oldStyle;
switch (oldStyle)
{
case TASKWORKINGSTYLE.STRAIGHT:
if (TASKWORKINGSTYLE.COPYOUTPUT == (task.WorkingStyleConstraint & TASKWORKINGSTYLE.COPYOUTPUT))
{
newStyle = TASKWORKINGSTYLE.COPYOUTPUT;
}
else if (TASKWORKINGSTYLE.COPYINPUT == (task.WorkingStyleConstraint & TASKWORKINGSTYLE.COPYINPUT))
{
newStyle = TASKWORKINGSTYLE.COPYINPUT;
}
break;
case TASKWORKINGSTYLE.COPYOUTPUT:
if (TASKWORKINGSTYLE.COPYINPUT == (task.WorkingStyleConstraint & TASKWORKINGSTYLE.COPYINPUT))
{
newStyle = TASKWORKINGSTYLE.COPYINPUT;
}
else if (TASKWORKINGSTYLE.STRAIGHT == (task.WorkingStyleConstraint & TASKWORKINGSTYLE.STRAIGHT))
{
newStyle = TASKWORKINGSTYLE.STRAIGHT;
}
break;
case TASKWORKINGSTYLE.COPYINPUT:
if (TASKWORKINGSTYLE.STRAIGHT == (task.WorkingStyleConstraint & TASKWORKINGSTYLE.STRAIGHT))
{
newStyle = TASKWORKINGSTYLE.STRAIGHT;
}
else if (TASKWORKINGSTYLE.COPYOUTPUT == (task.WorkingStyleConstraint & TASKWORKINGSTYLE.COPYOUTPUT))
{
newStyle = TASKWORKINGSTYLE.COPYOUTPUT;
}
break;
default:
throw new ArgumentOutOfRangeException();
}
task.WorkingStyle = newStyle;
this.setButtonStyle(task);
}
}
