summaryrefslogtreecommitdiffstats
path: root/kmail/undostack.cpp
diff options
context:
space:
mode:
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
commit460c52653ab0dcca6f19a4f492ed2c5e4e963ab0 (patch)
tree67208f7c145782a7e90b123b982ca78d88cc2c87 /kmail/undostack.cpp
downloadtdepim-460c52653ab0dcca6f19a4f492ed2c5e4e963ab0.tar.gz
tdepim-460c52653ab0dcca6f19a4f492ed2c5e4e963ab0.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/kdepim@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
Diffstat (limited to 'kmail/undostack.cpp')
-rw-r--r--kmail/undostack.cpp157
1 files changed, 157 insertions, 0 deletions
diff --git a/kmail/undostack.cpp b/kmail/undostack.cpp
new file mode 100644
index 000000000..f1729f3a7
--- /dev/null
+++ b/kmail/undostack.cpp
@@ -0,0 +1,157 @@
+/*
+ This file is part of KMail
+
+ Copyright (C) 1999 Waldo Bastian (bastian@kde.org)
+ Copyright (c) 2003 Zack Rusin <zack@kde.org>
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU General Public License
+ version 2 as published by the Free Software Foundation.
+
+ This software 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 library; see the file COPYING. If not, write to
+ the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA.
+*/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "undostack.h"
+
+#include "kmmainwin.h"
+#include "kmfolder.h"
+#include "kmmsgdict.h"
+
+#include <kmessagebox.h>
+#include <klocale.h>
+#include <kdebug.h>
+
+namespace KMail {
+
+UndoStack::UndoStack(int size)
+ : QObject(0, "undostack"), mSize(size), mLastId(0),
+ mCachedInfo(0)
+{
+ mStack.setAutoDelete(true);
+}
+
+void UndoStack::clear()
+{
+ mStack.clear();
+}
+
+int UndoStack::newUndoAction( KMFolder *srcFolder, KMFolder *destFolder )
+{
+ UndoInfo *info = new UndoInfo;
+ info->id = ++mLastId;
+ info->srcFolder = srcFolder;
+ info->destFolder = destFolder;
+ if ((int) mStack.count() == mSize)
+ mStack.removeLast();
+ mStack.prepend( info );
+ emit undoStackChanged();
+ return info->id;
+}
+
+void UndoStack::addMsgToAction( int undoId, ulong serNum )
+{
+ if ( !mCachedInfo || mCachedInfo->id != undoId ) {
+ QPtrListIterator<UndoInfo> itr( mStack );
+ while ( itr.current() ) {
+ if ( itr.current()->id == undoId ) {
+ mCachedInfo = itr.current();
+ break;
+ }
+ ++itr;
+ }
+ }
+
+ Q_ASSERT( mCachedInfo );
+ mCachedInfo->serNums.append( serNum );
+}
+
+void UndoStack::undo()
+{
+ KMMessage *msg;
+ ulong serNum;
+ int idx = -1;
+ KMFolder *curFolder;
+ if ( mStack.count() > 0 )
+ {
+ UndoInfo *info = mStack.take(0);
+ emit undoStackChanged();
+ QValueList<ulong>::iterator itr;
+ KMFolderOpener openDestFolder(info->destFolder, "undodest");
+ for( itr = info->serNums.begin(); itr != info->serNums.end(); ++itr ) {
+ serNum = *itr;
+ KMMsgDict::instance()->getLocation(serNum, &curFolder, &idx);
+ if ( idx == -1 || curFolder != info->destFolder ) {
+ kdDebug(5006)<<"Serious undo error!"<<endl;
+ delete info;
+ return;
+ }
+ msg = curFolder->getMsg( idx );
+ info->srcFolder->moveMsg( msg );
+ if ( info->srcFolder->count() > 1 )
+ info->srcFolder->unGetMsg( info->srcFolder->count() - 1 );
+ }
+ delete info;
+ }
+ else
+ {
+ // Sorry.. stack is empty..
+ KMessageBox::sorry( kmkernel->mainWin(), i18n("There is nothing to undo."));
+ }
+}
+
+void
+UndoStack::pushSingleAction(ulong serNum, KMFolder *folder, KMFolder *destFolder)
+{
+ int id = newUndoAction( folder, destFolder );
+ addMsgToAction( id, serNum );
+}
+
+void
+UndoStack::msgDestroyed( KMMsgBase* /*msg*/)
+{
+ /*
+ for(UndoInfo *info = mStack.first(); info; )
+ {
+ if (info->msgIdMD5 == msg->msgIdMD5())
+ {
+ mStack.removeRef( info );
+ info = mStack.current();
+ }
+ else
+ info = mStack.next();
+ }
+ */
+}
+
+void
+UndoStack::folderDestroyed( KMFolder *folder)
+{
+ for( UndoInfo *info = mStack.first(); info; )
+ {
+ if ( (info->srcFolder == folder) ||
+ (info->destFolder == folder) )
+ {
+ mStack.removeRef( info );
+ info = mStack.current();
+ }
+ else
+ info = mStack.next();
+ }
+ emit undoStackChanged();
+}
+
+}
+
+#include "undostack.moc"