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+/*************************************************************************
+ *
+ * $RCSfile: textundo.cxx,v $
+ *
+ * $Revision: 1.1.1.1 $
+ *
+ * last change: $Author: hr $ $Date: 2000-09-18 16:58:58 $
+ *
+ * The Contents of this file are made available subject to the terms of
+ * either of the following licenses
+ *
+ * - GNU Lesser General Public License Version 2.1
+ * - Sun Industry Standards Source License Version 1.1
+ *
+ * Sun Microsystems Inc., October, 2000
+ *
+ * GNU Lesser General Public License Version 2.1
+ * =============================================
+ * Copyright 2000 by Sun Microsystems, Inc.
+ * 901 San Antonio Road, Palo Alto, CA 94303, USA
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License version 2.1, as published by the Free Software Foundation.
+ *
+ * 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ *
+ *
+ * Sun Industry Standards Source License Version 1.1
+ * =================================================
+ * The contents of this file are subject to the Sun Industry Standards
+ * Source License Version 1.1 (the "License"); You may not use this file
+ * except in compliance with the License. You may obtain a copy of the
+ * License at http://www.openoffice.org/license.html.
+ *
+ * Software provided under this License is provided on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
+ * WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
+ * MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
+ * See the License for the specific provisions governing your rights and
+ * obligations concerning the Software.
+ *
+ * The Initial Developer of the Original Code is: Sun Microsystems, Inc.
+ *
+ * Copyright: 2000 by Sun Microsystems, Inc.
+ *
+ * All Rights Reserved.
+ *
+ * Contributor(s): _______________________________________
+ *
+ *
+ ************************************************************************/
+
+#include <texteng.hxx>
+#include <textview.hxx>
+#include <textundo.hxx>
+#include <textund2.hxx>
+#include <textdata.hxx>
+#include <textdoc.hxx>
+#include <textdat2.hxx>
+
+TYPEINIT1( TextUndo, SfxUndoAction );
+TYPEINIT1( TextUndoDelPara, TextUndo );
+TYPEINIT1( TextUndoConnectParas, TextUndo );
+TYPEINIT1( TextUndoSplitPara, TextUndo );
+TYPEINIT1( TextUndoInsertChars, TextUndo );
+TYPEINIT1( TextUndoRemoveChars, TextUndo );
+TYPEINIT1( TextUndoSetAttribs, TextUndo );
+
+
+TextUndoManager::TextUndoManager( TextEngine* p )
+{
+ mpTextEngine = p;
+}
+
+TextUndoManager::~TextUndoManager()
+{
+}
+
+BOOL __EXPORT TextUndoManager::Undo( USHORT nCount )
+{
+ if ( GetUndoActionCount() == 0 )
+ return FALSE;
+
+ UndoRedoStart();
+
+ mpTextEngine->SetIsInUndo( TRUE );
+ BOOL bDone = SfxUndoManager::Undo( nCount );
+ mpTextEngine->SetIsInUndo( FALSE );
+
+ UndoRedoEnd();
+
+ return bDone;
+}
+
+BOOL __EXPORT TextUndoManager::Redo( USHORT nCount )
+{
+ if ( GetRedoActionCount() == 0 )
+ return FALSE;
+
+
+ UndoRedoStart();
+
+ mpTextEngine->SetIsInUndo( TRUE );
+ BOOL bDone = SfxUndoManager::Redo( nCount );
+ mpTextEngine->SetIsInUndo( FALSE );
+
+ UndoRedoEnd();
+
+ return bDone;
+}
+
+void TextUndoManager::UndoRedoStart()
+{
+ DBG_ASSERT( GetView(), "Undo/Redo: Active View?" );
+
+// if ( GetView() )
+// GetView()->HideSelection();
+}
+
+void TextUndoManager::UndoRedoEnd()
+{
+ if ( GetView() )
+ {
+ TextSelection aNewSel( GetView()->GetSelection() );
+ aNewSel.GetStart() = aNewSel.GetEnd();
+ GetView()->maSelection = aNewSel;
+ }
+
+ mpTextEngine->UpdateSelections();
+
+ mpTextEngine->FormatAndUpdate( GetView() );
+}
+
+
+TextUndo::TextUndo( USHORT nI, TextEngine* p )
+{
+ mnId = nI;
+ mpTextEngine = p;
+}
+
+TextUndo::~TextUndo()
+{
+}
+
+USHORT __EXPORT TextUndo::GetId() const
+{
+ //nId sollte mal entfallen => GetId ueberall ueberladen...
+ return mnId;
+}
+
+XubString __EXPORT TextUndo::GetComment() const
+{
+// return mpTextEngine->GetUndoComment( this );
+ return String();
+}
+
+void TextUndo::SetSelection( const TextSelection& rSel )
+{
+ if ( GetView() )
+ GetView()->maSelection = rSel;
+}
+
+
+TextUndoDelPara::TextUndoDelPara( TextEngine* pTextEngine, TextNode* pNode, ULONG nPara )
+ : TextUndo( TEXTUNDO_DELCONTENT, pTextEngine )
+{
+ mpNode = pNode;
+ mnPara = nPara;
+ mbDelObject = TRUE;
+}
+
+TextUndoDelPara::~TextUndoDelPara()
+{
+ if ( mbDelObject )
+ delete mpNode;
+}
+
+void __EXPORT TextUndoDelPara::Undo()
+{
+ GetTextEngine()->InsertContent( mpNode, mnPara );
+ mbDelObject = FALSE; // gehoert wieder der Engine
+
+ if ( GetView() )
+ {
+ TextSelection aSel( TextPaM( mnPara, 0 ), TextPaM( mnPara, mpNode->GetText().Len() ) );
+ SetSelection( aSel );
+ }
+}
+
+void __EXPORT TextUndoDelPara::Redo()
+{
+ // pNode stimmt nicht mehr, falls zwischendurch Undos, in denen
+ // Absaetze verschmolzen sind.
+ mpNode = GetDoc()->GetNodes().GetObject( mnPara );
+
+ delete GetTEParaPortions()->GetObject( mnPara );
+ GetTEParaPortions()->Remove( mnPara );
+
+ // Node nicht loeschen, haengt im Undo!
+ GetDoc()->GetNodes().Remove( mnPara );
+ GetTextEngine()->ImpParagraphRemoved( mnPara );
+
+ mbDelObject = TRUE; // gehoert wieder dem Undo
+
+ ULONG nParas = GetDoc()->GetNodes().Count();
+ ULONG n = mnPara < nParas ? mnPara : (nParas-1);
+ TextNode* pN = GetDoc()->GetNodes().GetObject( n );
+ TextPaM aPaM( n, pN->GetText().Len() );
+ SetSelection( aPaM );
+}
+
+ // -----------------------------------------------------------------------
+// TextUndoConnectParas
+// ------------------------------------------------------------------------
+TextUndoConnectParas::TextUndoConnectParas( TextEngine* pTextEngine, ULONG nPara, USHORT nPos )
+ : TextUndo( TEXTUNDO_CONNECTPARAS, pTextEngine )
+{
+ mnPara = nPara;
+ mnSepPos = nPos;
+}
+
+TextUndoConnectParas::~TextUndoConnectParas()
+{
+}
+
+void __EXPORT TextUndoConnectParas::Undo()
+{
+ TextPaM aPaM = GetTextEngine()->SplitContent( mnPara, mnSepPos );
+ SetSelection( aPaM );
+}
+
+void __EXPORT TextUndoConnectParas::Redo()
+{
+ TextPaM aPaM = GetTextEngine()->ConnectContents( mnPara );
+ SetSelection( aPaM );
+}
+
+
+TextUndoSplitPara::TextUndoSplitPara( TextEngine* pTextEngine, ULONG nPara, USHORT nPos )
+ : TextUndo( TEXTUNDO_SPLITPARA, pTextEngine )
+{
+ mnPara = nPara;
+ mnSepPos = nPos;
+}
+
+TextUndoSplitPara::~TextUndoSplitPara()
+{
+}
+
+void __EXPORT TextUndoSplitPara::Undo()
+{
+ TextPaM aPaM = GetTextEngine()->ConnectContents( mnPara );
+ SetSelection( aPaM );
+}
+
+void __EXPORT TextUndoSplitPara::Redo()
+{
+ TextPaM aPaM = GetTextEngine()->SplitContent( mnPara, mnSepPos );
+ SetSelection( aPaM );
+}
+
+
+TextUndoInsertChars::TextUndoInsertChars( TextEngine* pTextEngine, const TextPaM& rTextPaM, const XubString& rStr )
+ : TextUndo( TEXTUNDO_INSERTCHARS, pTextEngine ),
+ maTextPaM( rTextPaM ), maText( rStr )
+{
+}
+
+void __EXPORT TextUndoInsertChars::Undo()
+{
+ TextSelection aSel( maTextPaM, maTextPaM );
+ aSel.GetEnd().GetIndex() += maText.Len();
+ TextPaM aPaM = GetTextEngine()->ImpDeleteText( aSel );
+ SetSelection( aPaM );
+}
+
+void __EXPORT TextUndoInsertChars::Redo()
+{
+ TextSelection aSel( maTextPaM, maTextPaM );
+ GetTextEngine()->ImpInsertText( aSel, maText );
+ TextPaM aNewPaM( maTextPaM );
+ aNewPaM.GetIndex() += maText.Len();
+ SetSelection( TextSelection( aSel.GetStart(), aNewPaM ) );
+}
+
+BOOL __EXPORT TextUndoInsertChars::Merge( SfxUndoAction* pNextAction )
+{
+ if ( !pNextAction->ISA( TextUndoInsertChars ) )
+ return FALSE;
+
+ TextUndoInsertChars* pNext = (TextUndoInsertChars*)pNextAction;
+
+ if ( maTextPaM.GetPara() != pNext->maTextPaM.GetPara() )
+ return FALSE;
+
+ if ( ( maTextPaM.GetIndex() + maText.Len() ) == pNext->maTextPaM.GetIndex() )
+ {
+ maText += pNext->maText;
+ return TRUE;
+ }
+ return FALSE;
+}
+
+
+TextUndoRemoveChars::TextUndoRemoveChars( TextEngine* pTextEngine, const TextPaM& rTextPaM, const XubString& rStr )
+ : TextUndo( TEXTUNDO_REMOVECHARS, pTextEngine ),
+ maTextPaM( rTextPaM ), maText( rStr )
+{
+}
+
+void __EXPORT TextUndoRemoveChars::Undo()
+{
+ TextSelection aSel( maTextPaM, maTextPaM );
+ GetTextEngine()->ImpInsertText( aSel, maText );
+ aSel.GetEnd().GetIndex() += maText.Len();
+ SetSelection( aSel );
+}
+
+void __EXPORT TextUndoRemoveChars::Redo()
+{
+ TextSelection aSel( maTextPaM, maTextPaM );
+ aSel.GetEnd().GetIndex() += maText.Len();
+ TextPaM aPaM = GetTextEngine()->ImpDeleteText( aSel );
+ SetSelection( aPaM );
+}
+
+
+TextUndoSetAttribs::TextUndoSetAttribs( TextEngine* pTextEngine, const TextSelection& rSel )
+ : TextUndo( TEXTUNDO_ATTRIBS, pTextEngine ), maSelection( rSel )
+{
+ maSelection.Justify();
+// aNewAttribs.Set( rNewItems );
+// mbSetIsRemove = FALSE;
+// mnRemoveWhich = 0;
+// mnSpecial = 0;
+}
+
+TextUndoSetAttribs::~TextUndoSetAttribs()
+{
+ // ...............
+}
+
+void __EXPORT TextUndoSetAttribs::Undo()
+{
+ for ( ULONG nPara = maSelection.GetStart().GetPara(); nPara <= maSelection.GetEnd().GetPara(); nPara++ )
+ {
+// ContentAttribsInfo* pInf = aPrevAttribs[ (USHORT)(nPara-aESel.nStartPara) ];
+// GetTextEngine()->RemoveCharAttribs( nPara );
+// TextNode* pNode = GetTextEngine()->GetTextDoc().GetObject( nPara );
+// for ( USHORT nAttr = 0; nAttr < pInf->GetPrevCharAttribs().Count(); nAttr++ )
+// {
+// GetTextEngine()->GetTextDoc().InsertAttrib( pNode, pX->GetStart(), pX->GetEnd(), *pX->GetItem() );
+// }
+ }
+ SetSelection( maSelection );
+}
+
+void __EXPORT TextUndoSetAttribs::Redo()
+{
+// if ( !bSetIsRemove )
+// GetTextEngine()->SetAttribs( aSel, aNewAttribs, nSpecial );
+// else
+// GetTextEngine()->RemoveCharAttribs( aSel, bRemoveParaAttribs, nRemoveWhich );
+ SetSelection( maSelection );
+}
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