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/*************************************************************************
* Copyright © 2012-2013 Vincent Prat & Simon Nicolas
*
* 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 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*************************************************************************/
#include "NoteModification.h"
using namespace std;
NoteModification::NoteModification(string ¬e, const string &content, const string &newContent, int index): Modification(aEdition), rNote(note), sContent(content), sNewContent(newContent), iIndex(index)
{
}
NoteModification::NoteModification(string ¬e, int index, int newIndex, int length): Modification(aMovement), rNote(note), iIndex(index), iNewIndex(newIndex), iLength(length)
{
}
NoteModification::NoteModification(string ¬e, Action action, const string &content, int index): Modification(action), rNote(note), sContent(content), iIndex(index)
{
}
NoteModification::~NoteModification()
{
}
Modification::Type NoteModification::type() const
{
return tNote;
}
void NoteModification::undo()
{
int l = sContent.size();
switch (action())
{
case aMovement: if (iIndex < iNewIndex)
{
rNote = rNote.substr(0, iIndex) + rNote.substr(iNewIndex - iLength, iLength) + rNote.substr(iIndex, iNewIndex - iIndex - iLength) + rNote.substr(iNewIndex);
}
else
{
rNote = rNote.substr(0, iNewIndex) + rNote.substr(iNewIndex + iLength, iIndex - iNewIndex) + rNote.substr(iNewIndex, iLength) + rNote.substr(iIndex + iLength);
}
break;
case aEdition: rNote = rNote.substr(0, iIndex) + sContent + rNote.substr(iIndex + sNewContent.size());
break;
case aAddition: rNote = rNote.substr(0, iIndex) + rNote.substr(iIndex + l);
break;
case aDeletion: rNote = rNote.substr(0, iIndex) + sContent + rNote.substr(iIndex);
break;
}
}
void NoteModification::redo()
{
int l = sContent.size();
switch (action())
{
case aMovement: if (iIndex < iNewIndex)
{
rNote = rNote.substr(0, iIndex) + rNote.substr(iIndex + iLength, iNewIndex - iIndex - iLength) + rNote.substr(iIndex, iLength) + rNote.substr(iNewIndex);
}
else
{
rNote = rNote.substr(0, iNewIndex) + rNote.substr(iIndex, iLength) + rNote.substr(iNewIndex, iIndex - iNewIndex) + rNote.substr(iIndex + iLength);
}
break;
case aEdition: rNote = rNote.substr(0, iIndex) + sNewContent + rNote.substr(iIndex + l);
break;
case aAddition: rNote = rNote.substr(0, iIndex) + sContent + rNote.substr(iIndex);
break;
case aDeletion: rNote = rNote.substr(0, iIndex) + rNote.substr(iIndex + l);
break;
}
}
int NoteModification::index() const
{
return iIndex;
}
int NoteModification::newIndex() const
{
return iNewIndex;
}
int NoteModification::length() const
{
return iLength;
}
string NoteModification::content() const
{
return sContent;
}
string NoteModification::newContent() const
{
return sNewContent;
}
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