Warning, file /office/calligra/libs/flake/KoShapeGroup.cpp was not indexed or was modified since last indexation (in which case cross-reference links may be missing, inaccurate or erroneous).

 /* This file is part of the KDE project
  * Copyright (C) 2006 Thomas Zander <zander@kde.org>
  * Copyright (C) 2007 Jan Hambrecht <jaham@gmx.net>
  *
  * 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 "KoShapeGroup.h"
 #include "KoShapeContainerModel.h"
 #include "KoShapeContainer_p.h"
 #include "KoShapeLayer.h"
 #include "SimpleShapeContainerModel.h"
 #include "KoShapeSavingContext.h"
 #include "KoShapeLoadingContext.h"
 #include "KoXmlWriter.h"
 #include "KoXmlReader.h"
 #include "KoShapeRegistry.h"
 #include "KoShapeStrokeModel.h"
 #include "KoShapeShadow.h"
 #include "KoInsets.h"
 
 #include <FlakeDebug.h>
 
 #include <QPainter>
 
 #include <algorithm>
 
 class ShapeGroupContainerModel : public SimpleShapeContainerModel
 {
 public:
     ShapeGroupContainerModel(KoShapeGroup *group) : m_group(group) {}
     ~ShapeGroupContainerModel() override {}
 
     void add(KoShape *child) override
     {
         SimpleShapeContainerModel::add(child);
         m_group->invalidateSizeCache();
     }
 
     void remove(KoShape *child) override
     {
         SimpleShapeContainerModel::remove(child);
         m_group->invalidateSizeCache();
     }
 
     void childChanged(KoShape *shape, KoShape::ChangeType type) override
     {
         SimpleShapeContainerModel::childChanged(shape, type);
         //debugFlake << type;
         switch (type) {
         case KoShape::PositionChanged:
         case KoShape::RotationChanged:
         case KoShape::ScaleChanged:
         case KoShape::ShearChanged:
         case KoShape::SizeChanged:
         case KoShape::GenericMatrixChange:
         case KoShape::ParameterChanged:
         case KoShape::ClipPathChanged :
             m_group->invalidateSizeCache();
             break;
         default:
             break;
         }
     }
 
 private: // members
     KoShapeGroup * m_group;
 };
 
 class KoShapeGroupPrivate : public KoShapeContainerPrivate
 {
 public:
     KoShapeGroupPrivate(KoShapeGroup *q)
     : KoShapeContainerPrivate(q)
     {
         model = new ShapeGroupContainerModel(q);
     }
 
     ~KoShapeGroupPrivate() override
     {
     }
 
     mutable bool sizeCached;
 };
 
 KoShapeGroup::KoShapeGroup()
         : KoShapeContainer(*(new KoShapeGroupPrivate(this)))
 {
     setSize(QSizeF(0, 0));
 }
 
 KoShapeGroup::~KoShapeGroup()
 {
 }
 
 void KoShapeGroup::paintComponent(QPainter &painter, const KoViewConverter &converter, KoShapePaintingContext &)
 {
     Q_UNUSED(painter);
     Q_UNUSED(converter);
 }
 
 bool KoShapeGroup::hitTest(const QPointF &position) const
 {
     Q_UNUSED(position);
     return false;
 }
 
 QSizeF KoShapeGroup::size() const
 {
     Q_D(const KoShapeGroup);
     //debugFlake << "size" << d->size;
     if (!d->sizeCached) {
         QRectF bound;
         foreach(KoShape *shape, shapes()) {
             if (bound.isEmpty())
                 bound = shape->transformation().mapRect(shape->outlineRect());
             else
                 bound |= shape->transformation().mapRect(shape->outlineRect());
         }
         d->size = bound.size();
         d->sizeCached = true;
         debugFlake << "recalculated size" << d->size;
     }
 
     return d->size;
 }
 
 QRectF KoShapeGroup::boundingRect() const
 {
     bool first = true;
     QRectF groupBound;
     foreach(KoShape* shape, shapes()) {
         if (first) {
             groupBound = shape->boundingRect();
             first = false;
         } else {
             groupBound = groupBound.united(shape->boundingRect());
         }
     }
 
     if (shadow()) {
         KoInsets insets;
         shadow()->insets(insets);
         groupBound.adjust(-insets.left, -insets.top, insets.right, insets.bottom);
     }
     return groupBound;
 }
 
 void KoShapeGroup::saveOdf(KoShapeSavingContext & context) const
 {
     context.xmlWriter().startElement("draw:g");
     saveOdfAttributes(context, (OdfMandatories ^ (OdfLayer | OdfZIndex)) | OdfAdditionalAttributes);
     context.xmlWriter().addAttributePt("svg:y", position().y());
 
     QList<KoShape*> shapes = this->shapes();
     std::sort(shapes.begin(), shapes.end(), KoShape::compareShapeZIndex);
 
     foreach(KoShape* shape, shapes) {
         shape->saveOdf(context);
     }
 
     saveOdfCommonChildElements(context);
     context.xmlWriter().endElement();
 }
 
 bool KoShapeGroup::loadOdf(const KoXmlElement & element, KoShapeLoadingContext &context)
 {
     Q_D(KoShapeGroup);
     loadOdfAttributes(element, context, OdfMandatories | OdfStyle | OdfAdditionalAttributes | OdfCommonChildElements);
 
     KoXmlElement child;
     QHash<KoShapeLayer*, int> usedLayers;
     forEachElement(child, element) {
         KoShape * shape = KoShapeRegistry::instance()->createShapeFromOdf(child, context);
         if (shape) {
             KoShapeLayer *layer = dynamic_cast<KoShapeLayer*>(shape->parent());
             if (layer) {
                 usedLayers[layer]++;
             }
             addShape(shape);
         }
     }
     KoShapeLayer *parent = 0;
     int maxUseCount = 0;
     // find most used layer and use this as parent for the group
     for (QHash<KoShapeLayer*, int>::const_iterator it(usedLayers.constBegin()); it != usedLayers.constEnd(); ++it) {
         if (it.value() > maxUseCount) {
             maxUseCount = it.value();
             parent = it.key();
         }
     }
     setParent(parent);
 
     QRectF bound;
     bool boundInitialized = false;
     foreach(KoShape * shape, shapes()) {
         if (! boundInitialized) {
             bound = shape->boundingRect();
             boundInitialized = true;
         } else
             bound = bound.united(shape->boundingRect());
     }
 
     setSize(bound.size());
     d->sizeCached = true;
     setPosition(bound.topLeft());
 
     foreach(KoShape * shape, shapes())
         shape->setAbsolutePosition(shape->absolutePosition() - bound.topLeft());
 
     return true;
 }
 
 void KoShapeGroup::shapeChanged(ChangeType type, KoShape *shape)
 {
     Q_UNUSED(shape);
     KoShapeContainer::shapeChanged(type, shape);
     switch (type) {
     case KoShape::StrokeChanged:
     {
         KoShapeStrokeModel *str = stroke();
         if (str) {
             if (str->deref())
                 delete str;
             setStroke(0);
         }
         break;
     }
     default:
         break;
     }
 }
 
 void KoShapeGroup::invalidateSizeCache()
 {
     Q_D(KoShapeGroup);
     d->sizeCached = false;
 }