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authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commit47d455dd55be855e4cc691c32f687f723d9247ee (patch)
tree52e236aaa2576bdb3840ebede26619692fed6d7d /kpovmodeler/pmcompositeobject.cpp
downloadtdegraphics-47d455dd55be855e4cc691c32f687f723d9247ee.tar.gz
tdegraphics-47d455dd55be855e4cc691c32f687f723d9247ee.zip
Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdegraphics@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
Diffstat (limited to 'kpovmodeler/pmcompositeobject.cpp')
-rw-r--r--kpovmodeler/pmcompositeobject.cpp396
1 files changed, 396 insertions, 0 deletions
diff --git a/kpovmodeler/pmcompositeobject.cpp b/kpovmodeler/pmcompositeobject.cpp
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+/*
+**************************************************************************
+ description
+ --------------------
+ copyright : (C) 2000-2001 by Andreas Zehender
+ email : zehender@kde.org
+**************************************************************************
+
+**************************************************************************
+* *
+* This program is free software; you can redistribute it and/or modify *
+* it under the terms of the GNU General Public License as published by *
+* the Free Software Foundation; either version 2 of the License, or *
+* (at your option) any later version. *
+* *
+**************************************************************************/
+
+
+#include "pmcompositeobject.h"
+#include "pmxmlhelper.h"
+#include "pmmemento.h"
+#include "pmviewstructure.h"
+
+#include <qdom.h>
+
+PMMetaObject* PMCompositeObject::s_pMetaObject = 0;
+
+PMCompositeObject::PMCompositeObject( PMPart* part )
+ : Base( part )
+{
+ m_pFirstChild = 0;
+ m_pLastChild = 0;
+ m_selectedChildren = 0;
+ m_bViewStructureChanged = true;
+ m_pViewStructure = 0;
+}
+
+PMCompositeObject::PMCompositeObject( const PMCompositeObject& c )
+ : Base( c )
+{
+ m_pFirstChild = 0;
+ m_pLastChild = 0;
+ m_selectedChildren = 0;
+ m_bViewStructureChanged = true;
+ m_pViewStructure = 0;
+
+ PMObject* o = c.m_pFirstChild;
+ for( ; o; o = o->nextSibling( ) )
+ appendChild( o->copy( ) );
+}
+
+PMCompositeObject::~PMCompositeObject( )
+{
+ PMObject* tmp;
+ PMObject* next;
+
+ tmp = m_pFirstChild;
+
+ while( tmp )
+ {
+ next = tmp->m_pNextSibling;
+ delete tmp;
+ tmp = next;
+ }
+
+ if( m_pViewStructure )
+ delete m_pViewStructure;
+}
+
+PMMetaObject* PMCompositeObject::metaObject( ) const
+{
+ if( !s_pMetaObject )
+ s_pMetaObject = new PMMetaObject( "CompositeObject", Base::metaObject( ) );
+ return s_pMetaObject;
+}
+
+void PMCompositeObject::cleanUp( ) const
+{
+ if( s_pMetaObject )
+ {
+ delete s_pMetaObject;
+ s_pMetaObject = 0;
+ }
+ Base::cleanUp( );
+}
+
+PMObject* PMCompositeObject::childAt( uint index ) const
+{
+ PMObject* tmp;
+ uint i = 0;
+
+ for( tmp = m_pFirstChild; tmp && ( i < index ); tmp = tmp->nextSibling( ) )
+ i++;
+ return tmp;
+}
+
+int PMCompositeObject::findChild( PMObject* o )
+{
+ if( o->parent( ) != this )
+ return -1;
+
+ PMObject* tmp;
+ int index = 0;
+
+ for( tmp = m_pFirstChild; tmp; tmp = tmp->nextSibling( ) )
+ {
+ if( tmp == o )
+ return index;
+ else
+ index++;
+ }
+ return -1;
+}
+
+bool PMCompositeObject::insertChild( PMObject* o, int i )
+{
+ if( i < 0 )
+ return appendChild( o );
+ else
+ {
+ if( i == 0 )
+ {
+ if( canInsert( o, 0 ) )
+ {
+ o->m_pNextSibling = m_pFirstChild;
+ o->m_pPrevSibling = 0;
+ if( m_pFirstChild )
+ m_pFirstChild->m_pPrevSibling = o;
+ m_pFirstChild = o;
+ if( !m_pLastChild )
+ m_pLastChild = o;
+ o->m_pParent = this;
+ }
+ else
+ return false;
+ }
+ else
+ {
+ PMObject* tmp = childAt( ( uint ) ( i - 1 ) );
+ if( !tmp )
+ {
+ kdError( PMArea ) << "Index too big" << "\n";
+ return false;
+ }
+
+ if( canInsert( o, tmp ) )
+ {
+ o->m_pPrevSibling = tmp;
+ o->m_pNextSibling = tmp->m_pNextSibling;
+ if( tmp->m_pNextSibling )
+ tmp->m_pNextSibling->m_pPrevSibling = o;
+ else
+ m_pLastChild = o;
+ tmp->m_pNextSibling = o;
+ o->m_pParent = this;
+ }
+ else
+ return false;
+ }
+ childAdded( o );
+ return true;
+ }
+ return false;
+}
+
+bool PMCompositeObject::appendChild( PMObject* o )
+{
+ if( canInsert( o, m_pLastChild ) )
+ {
+ o->m_pParent = this;
+ o->m_pPrevSibling = m_pLastChild;
+ o->m_pNextSibling = 0;
+ if( m_pLastChild )
+ m_pLastChild->m_pNextSibling = o;
+ else
+ m_pFirstChild = o;
+ m_pLastChild = o;
+
+ childAdded( o );
+ return true;
+ }
+ return false;
+}
+
+bool PMCompositeObject::insertChildAfter( PMObject* obj, PMObject* after )
+{
+ if( canInsert( obj, after ) )
+ {
+ if( after->m_pParent == this )
+ {
+ obj->m_pParent = this;
+ obj->m_pPrevSibling = after;
+ obj->m_pNextSibling = after->m_pNextSibling;
+ if( after->m_pNextSibling )
+ after->m_pNextSibling->m_pPrevSibling = obj;
+ else
+ m_pLastChild = obj;
+ after->m_pNextSibling = obj;
+
+ childAdded( obj );
+ return true;
+ }
+ else
+ {
+ kdError( PMArea ) << "Object after is no child" << "\n";
+ return false;
+ }
+ }
+ return false;
+}
+
+bool PMCompositeObject::insertChildBefore( PMObject* obj, PMObject* before )
+{
+ if( before )
+ {
+ if( canInsert( obj, before->m_pPrevSibling ) )
+ {
+ if( before->m_pParent == this )
+ {
+ obj->m_pParent = this;
+ obj->m_pPrevSibling = before->m_pPrevSibling;
+ obj->m_pNextSibling = before;
+ if( before->m_pPrevSibling )
+ before->m_pPrevSibling->m_pNextSibling = obj;
+ else
+ m_pFirstChild = obj;
+ before->m_pPrevSibling = obj;
+
+ childAdded( obj );
+ return true;
+ }
+ else
+ {
+ kdError( PMArea ) << "Object before is no child" << "\n";
+ return false;
+ }
+ }
+ }
+ return false;
+}
+
+bool PMCompositeObject::takeChild( PMObject* o )
+{
+ if( ( PMObject* ) this == o->m_pParent )
+ {
+ // deselect the object and all child objects of o
+ if( o->isSelected( ) )
+ o->setSelected( false );
+ else if( o->selectedChildren( ) > 0 )
+ o->deselectChildren( );
+
+ // remove it, but do NOT delete it.
+ if( o->m_pPrevSibling )
+ o->m_pPrevSibling->m_pNextSibling = o->m_pNextSibling;
+ else
+ m_pFirstChild = o->m_pNextSibling;
+ if( o->m_pNextSibling )
+ o->m_pNextSibling->m_pPrevSibling = o->m_pPrevSibling;
+ else
+ m_pLastChild = o->m_pPrevSibling;
+
+ o->m_pParent = 0;
+ o->m_pPrevSibling = 0;
+ o->m_pNextSibling = 0;
+
+ childRemoved( o );
+ return true;
+ }
+ kdError( PMArea ) << "o is no child" << "\n";
+ return false;
+}
+
+bool PMCompositeObject::takeChild( uint i )
+{
+ PMObject* tmp = childAt( i );
+ if( tmp )
+ return takeChild( tmp );
+ kdError( PMArea ) << "Index too big";
+ return false;
+}
+
+void PMCompositeObject::serialize( QDomElement& e, QDomDocument& doc ) const
+{
+ PMObject* tmp;
+
+ for( tmp = m_pFirstChild; tmp; tmp = tmp->m_pNextSibling )
+ e.appendChild( tmp->serialize( doc ) );
+}
+
+int PMCompositeObject::countChildren( ) const
+{
+ int num = 0;
+ PMObject* tmp;
+
+ for( tmp = m_pFirstChild; tmp; tmp = tmp->m_pNextSibling )
+ num++;
+ return num;
+}
+
+void PMCompositeObject::adjustSelectedChildren( int num )
+{
+ m_selectedChildren += num;
+ if( m_selectedChildren < 0 )
+ {
+ kdError( PMArea ) << "num too big in PMCompositeObject::adjustSelectedChildren( )\n";
+ m_selectedChildren = 0;
+ }
+ if( m_pParent )
+ m_pParent->adjustSelectedChildren( num );
+}
+
+void PMCompositeObject::deselectChildren( )
+{
+ PMObject* tmp;
+ if( m_selectedChildren > 0 )
+ {
+ tmp = m_pFirstChild;
+ while( tmp && ( m_selectedChildren > 0 ) )
+ {
+ if( tmp->isSelected( ) )
+ tmp->setSelected( false );
+ else if( tmp->selectedChildren( ) > 0 )
+ tmp->deselectChildren( );
+
+ tmp = tmp->m_pNextSibling;
+ }
+ }
+}
+
+
+PMViewStructure* PMCompositeObject::viewStructure( )
+{
+ if( m_pViewStructure )
+ {
+ if( m_pViewStructure->parameterKey( ) != viewStructureParameterKey( ) )
+ {
+ // the default view structure or the parameters (detail level)
+ // have changed
+ m_bViewStructureChanged = true;
+ delete m_pViewStructure;
+ m_pViewStructure = 0;
+ }
+ }
+
+ if( m_bViewStructureChanged )
+ {
+ PMViewStructure* dvs = defaultViewStructure( );
+ if( dvs )
+ if( dvs->parameterKey( ) == -1 ) // newly created view structure
+ dvs->setParameterKey( viewStructureParameterKey( ) );
+
+ if( isDefault( ) )
+ {
+ if( dvs )
+ {
+ if( m_pViewStructure )
+ {
+ if( *m_pViewStructure != *dvs )
+ {
+ delete m_pViewStructure;
+ m_pViewStructure = new PMViewStructure( dvs );
+ }
+ }
+ else
+ m_pViewStructure = new PMViewStructure( dvs );
+ }
+
+ if( !m_pViewStructure )
+ kdError( PMArea ) << "isDefault( ) returned true, but no default view structure is provided\n";
+ }
+ else
+ {
+ if( dvs )
+ {
+ if( m_pViewStructure && ( *m_pViewStructure == *dvs ) )
+ {
+ delete m_pViewStructure;
+ m_pViewStructure = 0;
+ }
+ }
+ createViewStructure( );
+ if( m_pViewStructure )
+ m_pViewStructure->setParameterKey( viewStructureParameterKey( ) );
+ }
+ m_bViewStructureChanged = false;
+ }
+ return m_pViewStructure;
+}
+
+void PMCompositeObject::setViewStructureChanged( )
+{
+ m_bViewStructureChanged = true;
+ if( m_pMemento )
+ m_pMemento->setViewStructureChanged( );
+}
+