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

1 files changed, 126 insertions, 0 deletions

diff --git a/kpovmodeler/pmdeletecommand.h b/kpovmodeler/pmdeletecommand.h
new file mode 100644
index 00000000..ff67c0bc
--- /dev/null
+++ b/kpovmodeler/pmdeletecommand.h
@@ -0,0 +1,126 @@
+//-*-C++-*-
+/*
+**************************************************************************
+                                 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.                                   *
+*                                                                        *
+**************************************************************************/
+
+
+#ifndef PMDELETECOMMAND_H
+#define PMDELETECOMMAND_H
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "pmcommand.h"
+#include <qstring.h>
+
+#include "pmobject.h"
+
+class PMMemento;
+
+/**
+ * Class that stores undo information for the @ref PMDeleteCommand
+ */
+class PMDeleteInfo
+{
+public:
+   /**
+    * Creates undo information for the object deletedObject.
+    * The object has to have a parent!
+    */
+   PMDeleteInfo( PMObject* deletedObject )
+   {
+      m_pDeletedObject = deletedObject;
+      m_pParent = deletedObject->parent( );
+      m_pPrevSibling = deletedObject->prevSibling( );
+      m_insertError = false;
+   }
+   /**
+    * Deletes the object. The object deletedObject will not be deleted!
+    */
+   ~PMDeleteInfo( ) { };
+   /**
+    * Returns a pointer to the deleted object
+    */
+   PMObject* deletedObject( ) const { return m_pDeletedObject; }
+   /**
+    * Returns a pointer to the parent of the deleted object
+    */
+   PMObject* parent( ) const { return m_pParent; }
+   /**
+    * Returns the previous sibling of the deleted object
+    */
+   PMObject* prevSibling( ) const { return m_pPrevSibling; }
+   /**
+    * Returns true if this object could not be inserted in a move command
+    */
+   bool insertError( ) const { return m_insertError; }
+   /**
+    * Sets the insert error flag
+    */
+   void setInsertError( ) { m_insertError = true; }
+private:
+   PMObject* m_pDeletedObject;
+   PMObject* m_pParent;
+   PMObject* m_pPrevSibling;
+   bool m_insertError;
+};
+
+typedef QPtrList<PMDeleteInfo> PMDeleteInfoList;
+typedef QPtrListIterator<PMDeleteInfo> PMDeleteInfoListIterator;
+
+/**
+ * Command class for removing PMObjects
+ */
+class PMDeleteCommand : public PMCommand
+{
+public:
+   /**
+    * Delete Command that removes the object obj.
+    */
+   PMDeleteCommand( PMObject* obj );
+   /**
+    * Command that deletes a list of PMObjects. The list has to be sorted!
+    */
+   PMDeleteCommand( const PMObjectList& list );
+   /**
+    * Deletes the command. The deleted object will be deleted, if removed
+    */
+   virtual ~PMDeleteCommand( );
+
+   /** */
+   virtual int errorFlags( PMPart* );
+
+protected:
+   /**
+    * Executes the command and stores undo information
+    */
+   virtual void execute( PMCommandManager* theManager );
+   /**
+    * Undo the command
+    */
+   virtual void undo( PMCommandManager* theManager );
+
+private:
+   PMDeleteInfoList m_infoList;
+   bool m_executed, m_firstExecution;
+   PMObjectList m_links;
+   PMObjectList m_linkedDeclares;
+   bool m_linksCreated;
+   QPtrList<PMMemento> m_dataChanges;
+};
+
+#endif