KDGanttViewItemDrag.cpp

/****************************************************************************
 ** Copyright (C)  2002-2004 Klarälvdalens Datakonsult AB.  All rights reserved.
 **
 ** This file is part of the KDGantt library.
 **
 ** This file may be distributed and/or modified under the terms of the
 ** GNU General Public License version 2 as published by the Free Software
 ** Foundation and appearing in the file LICENSE.GPL included in the
 ** packaging of this file.
 **
 ** Licensees holding valid commercial KDGantt licenses may use this file in
 ** accordance with the KDGantt Commercial License Agreement provided with
 ** the Software.
 **
 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 **
 ** See http://www.klaralvdalens-datakonsult.se/Public/products/ for
 **   information about KDGantt Commercial License Agreements.
 **
 ** Contact info@klaralvdalens-datakonsult.se if any conditions of this
 ** licensing are not clear to you.
 **
 ** As a special exception, permission is given to link this program
 ** with any edition of TQt, and distribute the resulting executable,
 ** without including the source code for TQt in the source distribution.
 **
 **********************************************************************/


#include <KDGanttViewItemDrag.h>
#include <KDGanttViewItem.h>
#include <tqpixmap.h>
#include <KDGanttView.h>

KDGanttViewItemDrag::KDGanttViewItemDrag( KDGanttViewItem* item , TQWidget *source,  const char * name  ) : TQStoredDrag("x-application/x-KDGanttViewItemDrag", source,  name )
{
    myItem = item;

    TQPixmap pix;
    if (item->pixmap() )
        pix = *(item->pixmap()) ;
    else {
        KDGanttViewItem::Shape start,  middle, end;
        item->shapes( start, middle, end );
        TQColor st, mi, en;
        item->colors( st, mi, en );
        pix =item->myGanttView->getPixmap( start, st, item->myGanttView->lvBackgroundColor(), 11 );
    }
    setPixmap( pix , TQPoint( -10,-10 ));
    TQDomDocument doc( "GanttView" );
    TQString docstart = "<GanttView/>";
    doc.setContent( docstart );
    TQDomElement itemsElement = doc.createElement( "Items" );
    doc.documentElement().appendChild( itemsElement );
    item->createNode( doc, itemsElement );
    TQDataStream s( array, IO_WriteOnly );
    s << doc.toString();
}


TQByteArray KDGanttViewItemDrag::encodedData( const char * c) const
{
    TQString s ( c );
    if ( s == "x-application/x-KDGanttViewItemDrag" ) {
        return array;
    }
    return TQByteArray();
}

KDGanttViewItem* KDGanttViewItemDrag::getItem()
{
    return myItem;
}


bool KDGanttViewItemDrag::canDecode (  const TQMimeSource * e )
{
    if ( TQString( e->format() ) == "x-application/x-KDGanttViewItemDrag" )
        return true;

    return false;
}


bool KDGanttViewItemDrag::decode (  const TQMimeSource * e , TQString &  string)
{
    TQByteArray arr;
    arr = e->encodedData( "x-application/x-KDGanttViewItemDrag");
    TQDataStream s( arr, IO_ReadOnly );
    s >> string;
    return true;
}