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320 lines
7.1 KiB
320 lines
7.1 KiB
/*
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KNode, the KDE newsreader
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Copyright (c) 1999-2005 the KNode authors.
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See file AUTHORS for details
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software Foundation,
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Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, US
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*/
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#include <stdlib.h>
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#include <qdir.h>
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#include <qlabel.h>
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#include <qlayout.h>
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#include <qprogressbar.h>
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#include <klocale.h>
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#include <kmessagebox.h>
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#include <kseparator.h>
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#include <kapplication.h>
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#include <kdebug.h>
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#include "knfolder.h"
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#include "knglobals.h"
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#include "kncleanup.h"
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#include "knconfig.h"
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#include "knfoldermanager.h"
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#include "kngroupmanager.h"
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#include "knarticlemanager.h"
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#include "knnntpaccount.h"
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KNCleanUp::KNCleanUp() : d_lg(0)
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{
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}
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KNCleanUp::~KNCleanUp()
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{
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delete d_lg;
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}
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void KNCleanUp::start()
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{
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if ( mColList.isEmpty() )
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return;
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d_lg = new ProgressDialog( mColList.count() );
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d_lg->show();
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for ( QValueList<KNArticleCollection*>::Iterator it = mColList.begin(); it != mColList.end(); ++it ) {
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if ( (*it)->type() == KNCollection::CTgroup ) {
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d_lg->showMessage( i18n("Deleting expired articles in <b>%1</b>").arg( (*it)->name() ) );
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kapp->processEvents();
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expireGroup( static_cast<KNGroup*>( (*it) ) );
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d_lg->doProgress();
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}
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else if ( (*it)->type() == KNCollection::CTfolder ) {
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d_lg->showMessage( i18n("Compacting folder <b>%1</b>").arg( (*it)->name() ) );
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kapp->processEvents();
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compactFolder( static_cast<KNFolder*>( (*it) ) );
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d_lg->doProgress();
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}
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}
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delete d_lg;
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d_lg=0;
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}
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void KNCleanUp::reset()
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{
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mColList.clear();
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if(d_lg) {
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delete d_lg;
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d_lg=0;
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}
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}
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void KNCleanUp::expireGroup( KNGroup *g, bool showResult )
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{
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int expDays=0, idRef=0, foundId=-1, delCnt=0, leftCnt=0, newCnt=0, firstArtNr=g->firstNr(), firstNew=-1;
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bool unavailable=false;
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KNRemoteArticle *art, *ref;
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if (!g)
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return;
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KNConfig::Cleanup *conf = g->activeCleanupConfig();
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g->setNotUnloadable(true);
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if (!g->isLoaded() && !knGlobals.groupManager()->loadHeaders(g)) {
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g->setNotUnloadable(false);
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return;
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}
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//find all expired
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for(int i=0; i<g->length(); i++) {
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art=g->at(i);
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if(art->isRead())
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expDays = conf->maxAgeForRead();
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else
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expDays = conf->maxAgeForUnread();
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unavailable = false;
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if ((art->articleNumber() != -1) && conf->removeUnavailable())
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unavailable = (art->articleNumber() < firstArtNr);
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art->setExpired( (art->date()->ageInDays() >= expDays) || unavailable );
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}
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//save threads
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if (conf->preserveThreads()) {
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for(int i=0; i<g->length(); i++) {
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art=g->at(i);
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if(!art->isExpired()) {
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idRef=art->idRef();
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while(idRef!=0) {
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ref=g->byId(idRef);
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ref->setExpired(false);
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idRef=ref->idRef();
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}
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}
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}
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}
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//restore threading
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for(int i=0; i<g->length(); i++) {
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art=g->at(i);
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if(!art->isExpired()) {
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idRef=art->idRef();
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foundId=0;
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while(foundId==0 && idRef!=0) {
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ref=g->byId(idRef);
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if(!ref->isExpired()) foundId=ref->id();
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idRef=ref->idRef();
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}
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art->setIdRef(foundId);
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}
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}
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//delete expired
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for(int i=0; i<g->length(); i++) {
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art=g->at(i);
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if(art->isExpired()) {
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if(art->isRead())
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g->decReadCount();
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delCnt++;
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if (art->hasContent())
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knGlobals.articleManager()->unloadArticle(art, true);
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}
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else if(art->isNew() && !art->isRead()) {
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if(firstNew==-1)
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firstNew=i;
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newCnt++;
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}
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}
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g->setNotUnloadable(false);
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if(delCnt>0) {
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g->saveStaticData(g->length(), true);
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g->saveDynamicData(g->length(), true);
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g->decCount(delCnt);
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g->setNewCount(newCnt);
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g->setFirstNewIndex(firstNew);
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g->saveInfo();
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knGlobals.groupManager()->unloadHeaders(g, true);
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}
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else
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g->syncDynamicData();
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conf->setLastExpireDate();
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g->saveInfo();
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leftCnt=g->count();
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kdDebug(5003) << "KNCleanUp::expireGroup() : " << g->groupname() << ": "
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<< delCnt << " deleted , " << leftCnt << " left" << endl;
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if(showResult)
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KMessageBox::information(knGlobals.topWidget,
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i18n("<b>%1</b><br>expired: %2<br>left: %3").arg(g->groupname()).arg(delCnt).arg(leftCnt));
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}
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void KNCleanUp::compactFolder(KNFolder *f)
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{
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KNLocalArticle *art;
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if (!f)
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return;
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QDir dir(f->path());
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if(!dir.exists())
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return;
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f->setNotUnloadable(true);
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if (!f->isLoaded() && !knGlobals.folderManager()->loadHeaders(f)) {
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f->setNotUnloadable(false);
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return;
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}
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f->closeFiles();
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QFileInfo info(f->m_boxFile);
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QString oldName=info.fileName();
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QString newName=oldName+".new";
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KNFile newMBoxFile(info.dirPath(true)+"/"+newName);
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if( (f->m_boxFile.open(IO_ReadOnly)) && (newMBoxFile.open(IO_WriteOnly)) ) {
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QTextStream ts(&newMBoxFile);
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ts.setEncoding(QTextStream::Latin1);
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for(int idx=0; idx<f->length(); idx++) {
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art=f->at(idx);
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if(f->m_boxFile.at(art->startOffset())) {
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ts << "From aaa@aaa Mon Jan 01 00:00:00 1997\n";
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art->setStartOffset(newMBoxFile.at());
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while(f->m_boxFile.at() < (uint)art->endOffset())
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ts << f->m_boxFile.readLineWnewLine();
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art->setEndOffset(newMBoxFile.at());
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newMBoxFile.putch('\n');
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}
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}
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f->syncIndex(true);
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newMBoxFile.close();
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f->closeFiles();
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dir.remove(oldName);
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dir.rename(newName, oldName);
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}
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f->setNotUnloadable(false);
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}
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//===============================================================================================
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KNCleanUp::ProgressDialog::ProgressDialog(int steps)
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: QDialog(knGlobals.topWidget, 0, true)
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{
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const int w=400,
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h=160;
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p_rogress=0;
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s_teps=steps;
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setCaption(kapp->makeStdCaption(i18n("Cleaning Up")));
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setFixedSize(w,h);
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QFrame *top=new QFrame(this);
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top->setGeometry(0,0, w,h);
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QVBoxLayout *topL=new QVBoxLayout(top, 10);
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QLabel *l=new QLabel(i18n("Cleaning up. Please wait..."), top);
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topL->addWidget(l);
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KSeparator *sep=new KSeparator(top);
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topL->addWidget(sep);
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m_sg=new QLabel(top);
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topL->addWidget(m_sg);
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p_bar=new QProgressBar(top);
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topL->addWidget(p_bar);
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p_bar->setTotalSteps(100*s_teps);
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p_bar->setProgress(1);
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if(knGlobals.topWidget->isVisible()) {
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int x, y;
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x=(knGlobals.topWidget->width()-w)/2;
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y=(knGlobals.topWidget->height()-h)/2;
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if(x<0 || y<0) {
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x=0;
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y=0;
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}
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x+=knGlobals.topWidget->x();
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y+=knGlobals.topWidget->y();
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move(x,y);
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}
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}
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KNCleanUp::ProgressDialog::~ProgressDialog()
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{
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}
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void KNCleanUp::ProgressDialog::showMessage(const QString &s)
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{
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m_sg->setText(s);
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}
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void KNCleanUp::ProgressDialog::doProgress()
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{
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p_rogress++;
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p_bar->setProgress(p_rogress*100);
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}
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void KNCleanUp::ProgressDialog::closeEvent(QCloseEvent *)
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{
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// do nothing => prevent that the user closes the window
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}
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// kate: space-indent on; indent-width 2;
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