// This is called before an action is performed
public void PreAction(int multiselectionundogroup)
{
actionresult = new VisualActionResult();
PickTargetUnlocked();
// If the action is not performed on a selected object, clear the
// current selection and make a temporary selection for the target.
if ((target.picked != null) && !target.picked.Selected && (BuilderPlug.Me.VisualModeClearSelection || (selectedobjects.Count == 0)))
{
// Single object, no selection
singleselection = true;
ClearSelection();
undocreated = false;
}
else
{
singleselection = false;
// Check if we should make a new undo level
// We don't want to do this if this is the same action with the same
// selection and the action wants to group the undo levels
if ((lastundogroup != multiselectionundogroup) || (lastundogroup == UndoGroup.None) ||
(multiselectionundogroup == UndoGroup.None) || selectionchanged)
{
// We want to create a new undo level, but not just yet
lastundogroup = multiselectionundogroup;
undocreated = false;
}
else
{
// We don't want to make a new undo level (changes will be combined)
undocreated = true;
}
}
}
// This sets the result for an action
public void SetActionResult(string displaystatus)
{
actionresult = new VisualActionResult();
actionresult.displaystatus = displaystatus;
}
// This sets the result for an action
public void SetActionResult(VisualActionResult result)
{
actionresult = result;
}
// Called before an action is performed. This does not make an undo level
private void PreActionNoChange()
{
actionresult = new VisualActionResult();
singleselection = false;
undocreated = false;
}