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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.h
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
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diff --git a/kpovmodeler/pmdeletecommand.h b/kpovmodeler/pmdeletecommand.h
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+//-*-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