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397 lines
8.7 KiB
397 lines
8.7 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 <klocale.h>
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#include <kmessagebox.h>
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#include <kpopupmenu.h>
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#include <kstandarddirs.h>
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#include <ksimpleconfig.h>
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#include "utilities.h"
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#include "knglobals.h"
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#include "knarticlefilter.h"
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#include "knfilterdialog.h"
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#include "knfiltermanager.h"
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#include "knconfig.h"
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#include "knconfigwidgets.h"
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KNFilterSelectAction::KNFilterSelectAction( const QString& text, const QString& pix,
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QObject* parent, const char *name )
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: KActionMenu(text,pix,parent,name), currentItem(-42)
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{
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popupMenu()->setCheckable(true);
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connect(popupMenu(),SIGNAL(activated(int)),this,SLOT(slotMenuActivated(int)));
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setDelayed(false);
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}
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KNFilterSelectAction::~KNFilterSelectAction()
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{
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}
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void KNFilterSelectAction::setCurrentItem(int id)
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{
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popupMenu()->setItemChecked(currentItem, false);
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popupMenu()->setItemChecked(id, true);
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currentItem = id;
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}
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void KNFilterSelectAction::slotMenuActivated(int id)
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{
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setCurrentItem(id);
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emit(activated(id));
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}
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//==============================================================================
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KNFilterManager::KNFilterManager(QObject * parent, const char * name)
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: QObject(parent,name), fset(0), currFilter(0), a_ctFilter(0)
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{
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loadFilters();
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KConfig *conf=knGlobals.config();
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conf->setGroup("READNEWS");
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setFilter(conf->readNumEntry("lastFilterID", 1));
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}
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KNFilterManager::~KNFilterManager()
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{
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for ( QValueList<KNArticleFilter*>::Iterator it = mFilterList.begin(); it != mFilterList.end(); ++it )
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delete (*it);
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}
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void KNFilterManager::readOptions()
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{
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}
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void KNFilterManager::saveOptions()
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{
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}
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void KNFilterManager::prepareShutdown()
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{
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if (currFilter) {
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KConfig *conf=knGlobals.config();
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conf->setGroup("READNEWS");
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conf->writeEntry("lastFilterID", currFilter->id());
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}
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}
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void KNFilterManager::loadFilters()
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{
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QString fname(locate("data","knode/filters/filters.rc") );
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if (!fname.isNull()) {
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KSimpleConfig conf(fname,true);
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QValueList<int> activeFilters = conf.readIntListEntry("Active");
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menuOrder = conf.readIntListEntry("Menu");
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QValueList<int>::Iterator it = activeFilters.begin();
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while (it != activeFilters.end()) {
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KNArticleFilter *f=new KNArticleFilter((*it));
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if (f->loadInfo())
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addFilter(f);
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else
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delete f;
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it++;
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}
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}
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updateMenu();
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}
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void KNFilterManager::saveFilterLists()
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{
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QString dir(locateLocal("data","knode/")+"filters/");
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if (dir.isNull()) {
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KNHelper::displayInternalFileError();
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return;
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}
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KSimpleConfig conf(dir+"filters.rc");
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QValueList<int> activeFilters;
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for ( QValueList<KNArticleFilter*>::Iterator it = mFilterList.begin(); it != mFilterList.end(); ++it )
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activeFilters << (*it)->id();
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conf.writeEntry("Active",activeFilters);
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conf.writeEntry("Menu",menuOrder);
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}
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void KNFilterManager::startConfig(KNConfig::FilterListWidget *fs)
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{
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fset=fs;
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commitNeeded = false;
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for ( QValueList<KNArticleFilter*>::Iterator it = mFilterList.begin(); it != mFilterList.end(); ++it )
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fset->addItem( (*it) );
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QValueList<int>::Iterator it = menuOrder.begin();
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while (it != menuOrder.end()) {
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if ((*it)!=-1)
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fset->addMenuItem(byID((*it)));
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else
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fset->addMenuItem(0);
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++it;
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}
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}
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void KNFilterManager::endConfig()
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{
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fset=0;
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}
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void KNFilterManager::commitChanges()
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{
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menuOrder = fset->menuOrder();
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saveFilterLists();
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if(currFilter)
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if(!currFilter->isEnabled()) currFilter=0;
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updateMenu();
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if (commitNeeded)
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emit filterChanged(currFilter);
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}
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void KNFilterManager::newFilter()
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{
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KNArticleFilter *f=new KNArticleFilter();
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editFilter(f);
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}
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void KNFilterManager::addFilter(KNArticleFilter *f)
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{
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if ( f->id() == -1 ) { // new filter, find suitable ID
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QValueList<int> activeFilters;
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// ok, this is a ugly hack: we want to reuse old id's, so we try to find the first unused id
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for ( QValueList<KNArticleFilter*>::Iterator it = mFilterList.begin(); it != mFilterList.end(); ++it )
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activeFilters << (*it)->id();
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int newId = 1;
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while ( activeFilters.contains( newId ) > 0 )
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newId++;
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f->setId( newId );
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}
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mFilterList.append( f );
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}
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void KNFilterManager::editFilter(KNArticleFilter *f)
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{
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if (!f->loaded() && f->id()!=-1)
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f->load();
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KNFilterDialog *fdlg=new KNFilterDialog(f,(fset)? fset:knGlobals.topWidget);
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if (fdlg->exec()) {
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commitNeeded = true;
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if(f->id()==-1) { // new filter
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addFilter(f);
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f->setLoaded(true);
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if(fset) { // updating settings tab
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fset->addItem(f);
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if(f->isEnabled())
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fset->addMenuItem(f);
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}
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} else {
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if(fset) { // updating settings tab
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if(f->isEnabled())
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fset->addMenuItem(f);
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else
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fset->removeMenuItem(f);
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fset->updateItem(f);
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}
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}
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f->save();
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} else {
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if(f->id()==-1) // new filter
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delete f;
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}
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delete fdlg;
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}
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void KNFilterManager::copyFilter(KNArticleFilter *f)
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{
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if (!f->loaded())
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f->load();
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KNArticleFilter *newf=new KNArticleFilter(*f);
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editFilter(newf);
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}
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void KNFilterManager::deleteFilter(KNArticleFilter *f)
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{
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if ( KMessageBox::warningContinueCancel( fset ? fset : knGlobals.topWidget,
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i18n("Do you really want to delete this filter?"), QString::null, KGuiItem( i18n("&Delete"), "editdelete" ) )
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== KMessageBox::Continue ) {
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if ( mFilterList.remove( f ) ) { // does not delete surplus config files
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if ( fset ) { // we reuse ids to reduce the number of dead files
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fset->removeItem( f );
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fset->removeMenuItem( f );
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}
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if ( currFilter == f ) {
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currFilter = 0;
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emit filterChanged( currFilter );
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}
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}
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}
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}
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bool KNFilterManager::newNameIsOK(KNArticleFilter *f, const QString &newName)
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{
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for ( QValueList<KNArticleFilter*>::Iterator it = mFilterList.begin(); it != mFilterList.end(); ++it )
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if ( (*it) != f && newName == (*it)->translatedName() )
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return false;
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return true;
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}
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KNArticleFilter* KNFilterManager::setFilter(const int id)
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{
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KNArticleFilter *bak=currFilter;
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currFilter=byID(id);
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if(currFilter) {
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if(a_ctFilter)
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a_ctFilter->setCurrentItem(currFilter->id());
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emit(filterChanged(currFilter));
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} else
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currFilter=bak;
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return currFilter;
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}
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KNArticleFilter* KNFilterManager::byID(int id)
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{
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for ( QValueList<KNArticleFilter*>::Iterator it = mFilterList.begin(); it != mFilterList.end(); ++it )
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if ( (*it)->id() == id )
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return (*it);
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return 0;
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}
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void KNFilterManager::updateMenu()
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{
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if(!a_ctFilter)
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return;
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a_ctFilter->popupMenu()->clear();
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KNArticleFilter *f=0;
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QValueList<int>::Iterator it = menuOrder.begin();
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while (it != menuOrder.end()) {
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if ((*it)!=-1) {
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if ((f=byID((*it))))
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a_ctFilter->popupMenu()->insertItem(f->translatedName(), f->id());
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}
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else a_ctFilter->popupMenu()->insertSeparator();
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++it;
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}
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if(currFilter)
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a_ctFilter->setCurrentItem(currFilter->id());
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}
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void KNFilterManager::slotMenuActivated(int id)
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{
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KNArticleFilter *f=setFilter(id);
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if (!f)
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KMessageBox::error(knGlobals.topWidget, i18n("ERROR: no such filter."));
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}
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void KNFilterManager::slotShowFilterChooser()
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{
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KNArticleFilter *f=0;
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QStringList items;
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QValueList<int> ids;
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QValueList<int>::Iterator it = menuOrder.begin();
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while (it != menuOrder.end()) {
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if ((*it)!=-1)
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if ((f=byID((*it)))) {
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items.append(f->translatedName());
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ids.append(*it);
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}
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++it;
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}
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int currentItem=0;
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if (currFilter)
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currentItem=ids.findIndex(currFilter->id());
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if (currentItem==-1)
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currentItem=0;
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int newFilter = KNHelper::selectDialog(knGlobals.topWidget, i18n("Select Filter"), items, currentItem);
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if (newFilter != -1)
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setFilter(ids[newFilter]);
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}
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void KNFilterManager::setMenuAction(KNFilterSelectAction *a, KAction *keybA)
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{
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if(a) {
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a_ctFilter = a;
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connect(a_ctFilter, SIGNAL(activated(int)), this, SLOT(slotMenuActivated(int)));
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}
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if(keybA)
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connect(keybA, SIGNAL(activated()), this, SLOT(slotShowFilterChooser()));
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updateMenu();
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}
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//--------------------------------
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#include "knfiltermanager.moc"
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