C / C++ / MFC

/** Run 'Scan_Func' for each Template.Document.View
 *
 *  @param pTemplate  Ptr to Template whose document -> views are are to be scanned.
 *                    If NULL scan Text windows.
 *  @param Scan_Func  Ptr to CEDTextView method to call for each view
 *  @param iVar1      int to pass on to Scan_Func as param 1
 *
 *  @see <A HREF="d:\ED32\EDDoc.cpp#^CEDDoc::ScanDocs">
 *  @caller VwProperties(), VwRedraw()
 *
 *  @return if Scan_Func returns false stop scanning and return current pCEDTextView,
 *          else return NULL
 */
CEDTextView*     // static
CEDTextView::ScanViews( SECMultiDocTemplate* pTemplate, int(CEDTextView::*Scan_Func)( int ), int iVar1 )
{
    // TODO: change this to use GetDocument()->GetDocTemplate() and remove app code.
    //       need docking view in own CEDOutputDoc. Also remove static from function
    //       so GetDocument() can be called.
    if ( pTemplate == NULL )
    {
        CEDApp* pApp = (CEDApp*)AfxGetApp();
        ASSERT_VALID( pApp );
        pTemplate = pApp->GetTemplate( IDR_EDTYPE );  // scan Text Windows
    }
    ASSERT( pTemplate != NULL );

        // We iterate through each document for this template
        // and then each view for each document.
    POSITION Dpos = pTemplate->GetFirstDocPosition();
    while ( Dpos != NULL )
    {
	CEDDoc* pDoc = (CEDDoc*)pTemplate->GetNextDoc( Dpos );
        if ( pDoc->DocGetVmb() != NULL )
        {
	    POSITION Vpos = pDoc->GetFirstViewPosition();
            while ( Vpos != NULL )
            {
                CEDTextView* pView = (CEDTextView*)pDoc->GetNextView( Vpos );

               ASSERT( pView->IsKindOf( RUNTIME_CLASS( CEDTextView ) ) );
                if ( pView->IsKindOf( RUNTIME_CLASS( CEDTextView ) ) )
                        // if Scan_Func returns false stop scanning and return current pCEDTextView,
                    if ( !(pView->*Scan_Func)( iVar1 ) )
                        return pView;
            }
        }
    }
    return NULL;   // scanned all views
}

// example scan function

int
CEDTextView::VwDraw( int iOpts )
{
.....
}


// example use

   CEDTextView::ScanViews( pTemplate, VwDraw, 0 );