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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/pmdeletecommand.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/pmdeletecommand.cpp')
-rw-r--r--kpovmodeler/pmdeletecommand.cpp281
1 files changed, 281 insertions, 0 deletions
diff --git a/kpovmodeler/pmdeletecommand.cpp b/kpovmodeler/pmdeletecommand.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 "pmdeletecommand.h"
+#include "pmcommandmanager.h"
+#include "pmdeclare.h"
+#include "pmrecursiveobjectiterator.h"
+#include "pmmemento.h"
+
+#include <klocale.h>
+#include <kmessagebox.h>
+#include <qptrdict.h>
+
+PMDeleteCommand::PMDeleteCommand( PMObject* obj )
+ : PMCommand( i18n( "Delete %1" ).arg( obj->name( ) ) )
+{
+ // the scene can not be deleted!
+ if( obj->parent( ) )
+ m_infoList.append( new PMDeleteInfo( obj ) );
+ else
+ {
+ // object has no parent!
+ // top level objects can't be moved, move all child items
+ PMObject* tmp;
+ for( tmp = obj->firstChild( ); tmp; tmp = tmp->nextSibling( ) )
+ m_infoList.append( new PMDeleteInfo( tmp ) );
+ }
+ m_executed = false;
+ m_firstExecution = true;
+ m_linksCreated = false;
+}
+
+PMDeleteCommand::PMDeleteCommand( const PMObjectList& list )
+ : PMCommand( i18n( "Delete Objects" ) )
+{
+ PMObjectListIterator it( list );
+ PMObject* obj;
+
+ for( ; it.current( ); ++it )
+ {
+ obj = it.current( );
+
+ if( obj->parent( ) )
+ m_infoList.append( new PMDeleteInfo( obj ) );
+ else
+ {
+ // object has no parent!
+ // top level objects can't be moved, move all child items
+ PMObject* tmp;
+ for( tmp = obj->firstChild( ); tmp; tmp = tmp->nextSibling( ) )
+ m_infoList.append( new PMDeleteInfo( tmp ) );
+ }
+ }
+
+ m_infoList.setAutoDelete( true );
+ m_executed = false;
+ m_firstExecution = true;
+ m_linksCreated = false;
+}
+
+PMDeleteCommand::~PMDeleteCommand( )
+{
+ if( m_executed )
+ {
+ PMDeleteInfoListIterator it( m_infoList );
+ for( ; it.current( ); ++it )
+ delete ( it.current( )->deletedObject( ) );
+ }
+
+ m_infoList.clear( );
+}
+
+void PMDeleteCommand::execute( PMCommandManager* theManager )
+{
+ if( !m_executed )
+ {
+ PMDeleteInfoListIterator it( m_infoList );
+ PMDeleteInfo* info = 0;
+ PMObject* parent;
+
+ if( !m_linksCreated )
+ {
+ PMDeclare* decl;
+ for( ; it.current( ); ++it )
+ {
+ PMRecursiveObjectIterator oit( it.current( )->deletedObject( ) );
+ for( ; oit.current( ); ++oit )
+ {
+ decl = oit.current( )->linkedObject( );
+ if( decl )
+ {
+ m_links.append( oit.current( ) );
+ if( !m_linkedDeclares.containsRef( decl ) )
+ m_linkedDeclares.append( decl );
+ }
+ }
+ }
+ m_linksCreated = true;
+ }
+
+ PMObjectListIterator lit( m_links );
+ for( ; lit.current( ); ++lit )
+ lit.current( )->linkedObject( )->removeLinkedObject( lit.current( ) );
+
+ for( it.toLast( ); it.current( ); --it )
+ {
+ info = it.current( );
+ parent = info->parent( );
+ // signal has to be emitted before the item is removed
+ theManager->cmdObjectChanged( info->deletedObject( ), PMCRemove );
+ if( m_firstExecution )
+ if( parent->dataChangeOnInsertRemove( )
+ && !parent->mementoCreated( ) )
+ parent->createMemento( );
+ parent->takeChild( info->deletedObject( ) );
+ }
+
+ if( m_firstExecution )
+ {
+ for( it.toLast( ); it.current( ); --it )
+ {
+ parent = it.current( )->parent( );
+ if( parent->mementoCreated( ) )
+ m_dataChanges.append( parent->takeMemento( ) );
+ }
+ }
+
+ QPtrListIterator<PMMemento> mit( m_dataChanges );
+ for( ; mit.current( ); ++mit )
+ {
+ PMObjectChangeListIterator change = mit.current( )->changedObjects( );
+ for( ; change.current( ); ++change )
+ theManager->cmdObjectChanged( change.current( )->object( ),
+ change.current( )->mode( ) );
+ }
+
+ PMObjectListIterator dit( m_linkedDeclares );
+ for( ; dit.current( ); ++dit )
+ theManager->cmdObjectChanged( dit.current( ), PMCData );
+
+ m_executed = true;
+ m_firstExecution = false;
+ }
+}
+
+void PMDeleteCommand::undo( PMCommandManager* theManager )
+{
+ if( m_executed )
+ {
+ PMDeleteInfoListIterator it( m_infoList );
+ for( ; it.current( ); ++it )
+ {
+ if( it.current( )->prevSibling( ) )
+ it.current( )->parent( )
+ ->insertChildAfter( it.current( )->deletedObject( ),
+ it.current( )->prevSibling( ) );
+ else
+ it.current( )->parent( )
+ ->insertChild( it.current( )->deletedObject( ), 0 );
+ theManager->cmdObjectChanged( it.current( )->deletedObject( ), PMCAdd );
+ }
+
+ PMObjectListIterator lit( m_links );
+ for( ; lit.current( ); ++lit )
+ lit.current( )->linkedObject( )->addLinkedObject( lit.current( ) );
+ PMObjectListIterator dit( m_linkedDeclares );
+ for( ; dit.current( ); ++dit )
+ theManager->cmdObjectChanged( dit.current( ), PMCData );
+
+ QPtrListIterator<PMMemento> mit( m_dataChanges );
+ for( ; mit.current( ); ++mit )
+ {
+ mit.current( )->originator( )->restoreMemento( mit.current( ) );
+ PMObjectChangeListIterator change = mit.current( )->changedObjects( );
+ for( ; change.current( ); ++change )
+ theManager->cmdObjectChanged( change.current( )->object( ),
+ change.current( )->mode( ) );
+ }
+
+ m_executed = false;
+ }
+}
+
+int PMDeleteCommand::errorFlags( PMPart* )
+{
+ PMDeleteInfo* info;
+ PMDeclare* decl = 0;
+ PMObject* obj;
+ bool insideSelection;
+ bool ok = true;
+ bool error = false;
+
+ // dictionary of deleted objects
+ QPtrDict<bool> m_deletedObjects( 1009 );
+ m_deletedObjects.setAutoDelete( true );
+ PMDeleteInfoListIterator it( m_infoList );
+ for( ; it.current( ); ++it )
+ m_deletedObjects.insert( it.current( )->deletedObject( ),
+ new bool( true ) );
+
+ // declares can only be deleted, if all linked
+ // objects are deleted as well
+
+ info = m_infoList.last( );
+
+ while( info )
+ {
+ ok = true;
+ if( info->deletedObject( )->isA( "Declare" ) )
+ {
+ decl = ( PMDeclare* ) ( info->deletedObject( ) );
+ PMObjectListIterator links = decl->linkedObjects( );
+
+ for( ; links.current( ) && ok; ++links )
+ {
+ insideSelection = false;
+ for( obj = links.current( ); obj && !insideSelection;
+ obj = obj->parent( ) )
+ {
+ if( m_deletedObjects.find( obj ) )
+ insideSelection = true;
+ }
+
+ if( insideSelection )
+ {
+ bool stop = false;
+ for( obj = links.current( ); obj && !stop; obj = obj->parent( ) )
+ {
+ if( m_deletedObjects.find( obj ) )
+ stop = true;
+ else
+ m_deletedObjects.insert( obj, new bool( true ) );
+ }
+ }
+ else
+ ok = false;
+ }
+ }
+
+ if( !ok )
+ {
+ m_errors.prepend( i18n( "The declare \"%1\" can't be removed "
+ "because of some remaining links." )
+ .arg( decl->id( ) ) );
+
+ PMDeleteInfo* tmp = info;
+ info = m_infoList.prev( );
+ m_deletedObjects.remove( decl );
+ m_infoList.removeRef( tmp );
+
+ error = true;
+ }
+ else
+ info = m_infoList.prev( );
+ }
+
+ if( error )
+ {
+ if( m_infoList.count( ) == 0 )
+ return PMEError | PMEFatal;
+ else
+ return PMEError;
+ }
+
+ return PMENone;
+}