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koffice/karbon/core/vgroup.cc

399 lines
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/* This file is part of the KDE project
Copyright (C) 2001, 2002, 2003 The Karbon Developers
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.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <tqdom.h>
#include <KoStore.h>
#include <KoXmlWriter.h>
#include <KoOasisLoadingContext.h>
#include <KoStyleStack.h>
#include <KoXmlNS.h>
#include "vcomposite.h"
#include "shapes/vellipse.h"
#include "shapes/vrectangle.h"
#include "shapes/vsinus.h"
#include "shapes/vspiral.h"
#include "shapes/vstar.h"
#include "shapes/vpolyline.h"
#include "shapes/vpolygon.h"
#include "vfill.h"
#include "vgroup.h"
#include "vlayer.h"
#include "vimage.h"
#include "vstroke.h"
#include "vvisitor.h"
#include "vclipgroup.h"
#ifdef HAVE_KARBONTEXT
#include "vtext.h"
#endif
#include <kdebug.h>
VGroup::VGroup( VObject* parent, VState state )
: VObject( parent, state )
{
m_stroke = new VStroke( this );
m_fill = new VFill();
}
VGroup::VGroup( const VGroup& group )
: VObject( group )
{
m_stroke = new VStroke( *group.m_stroke );
m_stroke->setParent( this );
m_fill = new VFill( *group.m_fill );
VObjectListIterator itr = group.m_objects;
for ( ; itr.current() ; ++itr )
append( itr.current()->clone() );
}
VGroup::~VGroup()
{
VObjectListIterator itr = m_objects;
for ( ; itr.current(); ++itr )
{
delete( itr.current() );
}
}
void
VGroup::draw( VPainter* painter, const KoRect* rect ) const
{
if(
state() == deleted ||
state() == hidden ||
state() == hidden_locked )
{
return;
}
VObjectListIterator itr = m_objects;
for ( ; itr.current(); ++itr )
itr.current()->draw( painter, rect );
}
const KoRect&
VGroup::boundingBox() const
{
if( m_boundingBoxIsInvalid )
{
// clear:
m_boundingBox = KoRect();
VObjectListIterator itr = m_objects;
for( ; itr.current(); ++itr )
{
m_boundingBox |= itr.current()->boundingBox();
}
m_boundingBoxIsInvalid = false;
}
return m_boundingBox;
}
VGroup*
VGroup::clone() const
{
return new VGroup( *this );
}
void
VGroup::setFill( const VFill& fill )
{
VObjectListIterator itr = m_objects;
for ( ; itr.current() ; ++itr )
itr.current()->setFill( fill );
VObject::setFill( fill );
}
void
VGroup::setStroke( const VStroke& stroke )
{
VObjectListIterator itr = m_objects;
for ( ; itr.current() ; ++itr )
itr.current()->setStroke( stroke );
VObject::setStroke( stroke );
}
void
VGroup::setState( const VState state )
{
VObjectListIterator itr = m_objects;
for ( ; itr.current() ; ++itr )
if( m_state == VObject::deleted || itr.current()->state() != VObject::deleted )
itr.current()->setState( state );
VObject::setState( state );
}
void
VGroup::save( TQDomElement& element ) const
{
if( state() != deleted )
{
TQDomElement me = element.ownerDocument().createElement( "GROUP" );
element.appendChild( me );
// save objects:
VObjectListIterator itr = m_objects;
for ( ; itr.current(); ++itr )
itr.current()->save( me );
VObject::save( me );
}
}
void
VGroup::saveOasis( KoStore *store, KoXmlWriter *docWriter, KoGenStyles &mainStyles, int &index ) const
{
// do not save deleted objects
if( state() == deleted )
return;
docWriter->startElement( "draw:g" );
// save objects:
VObjectListIterator itr = m_objects;
for ( ; itr.current(); ++itr )
itr.current()->saveOasis( store, docWriter, mainStyles, ++index );
docWriter->endElement();
}
bool
VGroup::loadOasis( const TQDomElement &element, KoOasisLoadingContext &context )
{
m_objects.setAutoDelete( true );
m_objects.clear();
m_objects.setAutoDelete( false );
TQDomNodeList list = element.childNodes();
for( uint i = 0; i < list.count(); ++i )
{
if( list.item( i ).isElement() )
{
TQDomElement e = list.item( i ).toElement();
kdDebug(38000) << "VGroup::loadOasis: e.tagName() = " << e.tagName() << endl;
kdDebug(38000) << "VGroup::loadOasis: e.namespaceURI() = " << e.namespaceURI() << endl;
kdDebug(38000) << "VGroup::loadOasis: e.localName() = " << e.localName() << endl;
if( e.namespaceURI() != KoXmlNS::draw )
continue;
context.styleStack().save();
if( e.localName() == "path" || e.localName() == "custom-shape" )
{
VPath* composite = new VPath( this );
composite->loadOasis( e, context );
append( composite );
}
else if( e.localName() == "circle" || e.localName() == "ellipse" )
{
VEllipse* ellipse = new VEllipse( this );
ellipse->loadOasis( e, context );
append( ellipse );
}
else if( e.localName() == "rect" )
{
VRectangle* rectangle = new VRectangle( this );
rectangle->loadOasis( e, context );
append( rectangle );
}
else if( e.localName() == "g" )
{
VGroup* group = new VGroup( this );
group->loadOasis( e, context );
append( group );
}
else if( e.localName() == "polyline" || e.localName() == "line" )
{
VPolyline* polyline = new VPolyline( this );
polyline->loadOasis( e, context );
append( polyline );
}
else if( e.localName() == "polygon" )
{
VPolygon* polygon = new VPolygon( this );
polygon->loadOasis( e, context );
append( polygon );
}
context.styleStack().restore();
}
}
return true;
}
void
VGroup::load( const TQDomElement& element )
{
m_objects.setAutoDelete( true );
m_objects.clear();
m_objects.setAutoDelete( false );
VObject::load( element );
TQDomNodeList list = element.childNodes();
for( uint i = 0; i < list.count(); ++i )
{
if( list.item( i ).isElement() )
{
TQDomElement e = list.item( i ).toElement();
if( e.tagName() == "COMPOSITE" || e.tagName() == "PATH" ) // TODO : remove COMPOSITE later
{
VPath* composite = new VPath( this );
composite->load( e );
append( composite );
}
else if( e.tagName() == "ELLIPSE" )
{
VEllipse* ellipse = new VEllipse( this );
ellipse->load( e );
append( ellipse );
}
else if( e.tagName() == "RECT" )
{
VRectangle* rectangle = new VRectangle( this );
rectangle->load( e );
append( rectangle );
}
else if( e.tagName() == "POLYLINE" )
{
VPolyline* polyline = new VPolyline( this );
polyline->load( e );
append( polyline );
}
else if( e.tagName() == "POLYGON" )
{
VPolygon* polygon = new VPolygon( this );
polygon->load( e );
append( polygon );
}
else if( e.tagName() == "SINUS" )
{
VSinus* sinus = new VSinus( this );
sinus->load( e );
append( sinus );
}
else if( e.tagName() == "SPIRAL" )
{
VSpiral* spiral = new VSpiral( this );
spiral->load( e );
append( spiral );
}
else if( e.tagName() == "STAR" )
{
VStar* star = new VStar( this );
star->load( e );
append( star );
}
else if( e.tagName() == "GROUP" )
{
VGroup* group = new VGroup( this );
group->load( e );
append( group );
}
else if( e.tagName() == "CLIP" )
{
VClipGroup* grp = new VClipGroup( this );
grp->load( e );
append( grp );
}
else if( e.tagName() == "IMAGE" )
{
VImage* img = new VImage( this );
img->load( e );
append( img );
}
else if( e.tagName() == "TEXT" )
{
#ifdef HAVE_KARBONTEXT
VText *text = new VText( this );
text->load( e );
append( text );
#endif
}
}
}
}
void
VGroup::accept( VVisitor& visitor )
{
visitor.visitVGroup( *this );
}
void
VGroup::take( const VObject& object )
{
m_objects.removeRef( &object );
invalidateBoundingBox();
}
void
VGroup::append( VObject* object )
{
object->setParent( this );
m_objects.append( object );
invalidateBoundingBox();
}
void
VGroup::insertInfrontOf( VObject* newObject, VObject* oldObject )
{
newObject->setParent( this );
m_objects.insert( m_objects.find( oldObject ), newObject );
invalidateBoundingBox();
}
void
VGroup::clear()
{
m_objects.clear();
invalidateBoundingBox();
}