invalid.cpp

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// $Id: invalid.cpp 1282 2006-06-09 09:46:49Z alex $
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 */
// The Invalidate an arbitary region action

/*
*/

#include "camtypes.h"
#include "invalid.h"
//#include "document.h" - in camtypes.h [AUTOMATICALLY REMOVED]

// declare the source
DECLARE_SOURCE("$Revision: 1282 $");

// An implement to match the Declare in the .h file.
// If you have many classes, it is recommended to place them all together, here at the start of the file
CC_IMPLEMENT_DYNCREATE(InvalidateArbitaryAction, Action)

// This will get Camelot to display the filename and linenumber of any memory allocations
// that are not released at program exit
// Declare smart memory handling in Debug builds
#define new CAM_DEBUG_NEW



/********************************************************************************************

>   InvalidateArbitaryAction::InvalidateArbitaryAction()

    Author:     Rik_Heywood (Xara Group Ltd) <camelotdev@xara.com>
    Created:    25/8/94
    Purpose:    dummy constructor

********************************************************************************************/

InvalidateArbitaryAction::InvalidateArbitaryAction()
{
}
    

/********************************************************************************************

>   ActionCode InvalidateArbitaryAction::Init(Operation* const pOp, ActionList* pActionList,
                                Spread* pSpread, DocRect& InvalidRect, Action** NewAction)

    Author:     Rik_Heywood (Xara Group Ltd) <camelotdev@xara.com>
    Created:    25/8/94
    Inputs:     pOp - The operation that this action is being created from
                pActionList - The action list that it should be in
                pSpread - The spread that the region to invalidate is on
                InvalidateRect - The region that requires invalidating
    Outputs:    NewAction - Will hold a pointer to an action
    Returns:    an action code
    Purpose:    Creates a new InvalidateArbitaryAction that invalidates an arbitary region
                in the document

********************************************************************************************/

ActionCode InvalidateArbitaryAction::Init(Operation* const pOp, ActionList* pActionList, Spread* pSpread, 
                           const DocRect& InvalidRect, Action** NewAction)
{
    // go and ask the base class to do all its fabby stuff
    ActionCode Ac = Action::Init(pOp, pActionList, sizeof(InvalidateArbitaryAction), 
                                 CC_RUNTIME_CLASS(InvalidateArbitaryAction), NewAction);
    
    // If we got something resonable back, then set up our infomation
    if (*NewAction!=NULL)
    {
        ((InvalidateArbitaryAction*)(*NewAction))->InvalidRect = InvalidRect;
        ((InvalidateArbitaryAction*)(*NewAction))->pSpread = pSpread; 
    }

    // Whatever happen, we have to tell someone
    return Ac; 
}


/********************************************************************************************

>   virtual ActionCode InvalidateArbitaryAction::Execute()

    Author:     Rik_Heywood (Xara Group Ltd) <camelotdev@xara.com>
    Created:    25/8/94
    Returns:    An Action Code
    Purpose:    Invalidates the region in the action and builds the appropriate undo/redo
                info to do it again later.

********************************************************************************************/

ActionCode InvalidateArbitaryAction::Execute()
{
    // Attempt to initialise the action    
    InvalidateArbitaryAction* InvRgnAct;  
    ActionCode ActCode = InvalidateArbitaryAction::Init(pOperation, pOppositeActLst, pSpread,
                         InvalidRect, (Action**)(&InvRgnAct));
    
    // See if it worked
    if (ActCode != AC_FAIL)
    {   
        // Find out about the current document
        Document* pDocument = GetWorkingDoc();
        ENSURE(pDocument!=NULL, "There was no document in InvalidateArbitaryAction::Execute()" );
        
        // actually invalidate the region
        if (pDocument != NULL)
            pDocument->ForceRedraw(pSpread, InvalidRect, TRUE);
    }

    // return the action code we got back earlier
    return ActCode;
}

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