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 /* This file is part of the KDE project
  * Copyright (C) 2011 C. Boemann <cbo@kogmbh.com>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  */
 
 #include "KoTextLayoutRootArea.h"
 
 #include "FrameIterator.h"
 
 #include <KoShapeContainer.h>
 #include <KoTextShapeData.h>
 #include <KoTextPage.h>
 
 class Q_DECL_HIDDEN KoTextLayoutRootArea::Private
 {
 public:
     Private()
         : shape(0)
         , dirty(true)
         , textpage(0)
         , nextStartOfArea(0)
     {
     }
     KoShape *shape;
     bool dirty;
     KoTextPage *textpage;
     FrameIterator *nextStartOfArea;
 };
 
 KoTextLayoutRootArea::KoTextLayoutRootArea(KoTextDocumentLayout *documentLayout)
   : KoTextLayoutArea(0, documentLayout)
   , d(new Private)
 {
 }
 
 KoTextLayoutRootArea::~KoTextLayoutRootArea()
 {
     if (d->shape)
     {
         KoTextShapeData *data = qobject_cast<KoTextShapeData*>(d->shape->userData());
         if (data)
             data->setRootArea(0);
     }
     delete d->nextStartOfArea;
     delete d->textpage;
     delete d;
 }
 
 bool KoTextLayoutRootArea::layoutRoot(FrameIterator *cursor)
 {
     d->dirty = false;
 
     setVirginPage(true);
 
     bool retval = KoTextLayoutArea::layout(cursor);
 
     delete d->nextStartOfArea;
     d->nextStartOfArea = new FrameIterator(cursor);
     return retval;
 }
 
 void KoTextLayoutRootArea::setAssociatedShape(KoShape *shape)
 {
     d->shape = shape;
 }
 
 KoShape *KoTextLayoutRootArea::associatedShape() const
 {
     return d->shape;
 }
 
 void KoTextLayoutRootArea::setPage(KoTextPage *textpage)
 {
     delete d->textpage;
     d->textpage = textpage;
 }
 
 KoTextPage* KoTextLayoutRootArea::page() const
 {
     if (d->textpage) {
         return d->textpage;
     }
     // If this root area has no KoTextPage then walk up the shape-hierarchy and look if we
     // have a textshape-parent that has a valid KoTextPage. This handles the in Words valid
     // case that the associatedShape is nested in another shape.
     KoTextPage *p = 0;
     for(KoShape *shape = associatedShape() ? associatedShape()->parent() : 0; shape; shape = shape->parent()) {
         if (KoTextShapeData *data = qobject_cast<KoTextShapeData*>(shape->userData())) {
             if (KoTextLayoutRootArea *r = data->rootArea())
                 p = r->page();
             break;
         }
     }
     return p;
 }
 
 void KoTextLayoutRootArea::setDirty()
 {
     d->dirty = true;
     documentLayout()->emitLayoutIsDirty();
 }
 
 bool KoTextLayoutRootArea::isDirty() const
 {
     return d->dirty;
 }
 
 FrameIterator *KoTextLayoutRootArea::nextStartOfArea() const
 {
     return d->nextStartOfArea;
 }
 
 
 KoText::Direction KoTextLayoutRootArea::parentTextDirection() const
 {
     return KoText::LeftRightTopBottom;
 }
 
 void KoTextLayoutRootArea::setBottom(qreal b)
 {
     KoTextLayoutArea::setBottom(b);
 }