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302 lines
8.3 KiB
302 lines
8.3 KiB
15 years ago
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/*
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* Copyright (C) 2004, Mart Kelder (mart.kde@hccnet.nl)
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*
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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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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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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
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "keditlistboxman.h"
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#include <kconfig.h>
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#include <kdebug.h>
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#include <qmap.h>
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#include <qstring.h>
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KEditListBoxManager::KEditListBoxManager( QWidget *parent, const char *name,
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bool checkAtEntering, int buttons )
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: KEditListBox( parent, name, checkAtEntering, buttons ),
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_config( 0 ),
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_groupName( 0 ),
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_subGroupName( 0 ),
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_prevCount( 0 )
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{
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init();
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}
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KEditListBoxManager::KEditListBoxManager( const QString& title, QWidget *parent,
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const char *name, bool checkAtEntering,
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int buttons)
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: KEditListBox( title, parent, name, checkAtEntering, buttons ),
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_config( 0 ),
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_groupName( 0 ),
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_subGroupName( 0 ),
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_prevCount( 0 )
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{
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init();
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}
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KEditListBoxManager::KEditListBoxManager( const QString& title,
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const KEditListBox::CustomEditor &customEditor,
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QWidget *parent, const char *name,
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bool checkAtEntering, int buttons )
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: KEditListBox( title, customEditor, parent, name, checkAtEntering, buttons ),
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_config( 0 ),
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_groupName( 0 ),
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_subGroupName( 0 ),
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_prevCount( 0 )
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{
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init();
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}
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KEditListBoxManager::~KEditListBoxManager()
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{
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delete _groupName;
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}
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void KEditListBoxManager::setConfig( KConfig* config )
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{
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_config = config;
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if( _groupName )
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readNames();
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}
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void KEditListBoxManager::setGroupName( const QString& name )
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{
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if( _groupName )
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*_groupName = name;
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else
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_groupName = new QString( name );
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if( _config )
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readNames();
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}
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void KEditListBoxManager::setSubGroupName( const QString& name )
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{
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if( _subGroupName )
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*_subGroupName = name;
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else
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_subGroupName = new QString( name );
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if( _config && _groupName )
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readNames();
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}
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void KEditListBoxManager::init()
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{
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connect( this, SIGNAL( changed() ), this, SLOT( slotChanged() ) );
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connect( this, SIGNAL( added( const QString& ) ), this, SLOT( slotAdded( const QString& ) ) );
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connect( this, SIGNAL( removed( const QString& ) ), this, SLOT( slotRemoved( const QString& ) ) );
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connect( this->listBox(), SIGNAL( doubleClicked( QListBoxItem * ) ), this, SLOT( slotActivated( QListBoxItem * ) ) );
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connect( this->listBox(), SIGNAL( returnPressed( QListBoxItem * ) ), this, SLOT( slotActivated( QListBoxItem * ) ) );
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}
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void KEditListBoxManager::readNames()
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{
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int number = 0;
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this->clear();
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while( _config->hasGroup( _groupName->arg( number ) ) )
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{
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_config->setGroup( _groupName->arg( number ) );
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this->insertItem( _config->readEntry( "name", QString::null ) );
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++number;
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}
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_prevCount = this->count();
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}
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void KEditListBoxManager::slotChanged()
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{
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/* Three thing could be hapened:
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* 1. the text is changed;
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* 2. the item has moved up;
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* 3. the item has moved down.
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*/
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//_prevCount is invariant under all of these operation
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//if _prevCount is changed, is wasn't one of those operations.
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if( _prevCount != this->count() )
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return;
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if( !_config || !_groupName )
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return;
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//First check if the item was moved up
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_config->setGroup( _groupName->arg( this->currentItem() ) );
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if( this->currentItem() > 0 && this->text( this->currentItem() - 1 ) == _config->readEntry( "name", QString::null ) )
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changeItem( this->currentItem() - 1, this->currentItem() ); //moved down
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else if( this->currentItem() < this->count() - 1 &&
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this->text( this->currentItem() + 1 ) == _config->readEntry( "name", QString::null ) )
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changeItem( this->currentItem(), this->currentItem() + 1 ); //moved up
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else if( this->currentText() != _config->readEntry( "name", QString::null ) )
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changedText(); //changed
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}
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void KEditListBoxManager::slotAdded( const QString& name )
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{
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//Update _prevCount
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_prevCount = this->count();
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if( !_config || !_groupName )
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return;
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int number = 0;
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while( _config->hasGroup( _groupName->arg( number ) ) )
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++number;
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_config->setGroup( _groupName->arg( number ) );
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_config->writeEntry( "name", name );
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emit setDefaults( name, number, _config );
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}
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void KEditListBoxManager::slotRemoved( const QString& name )
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{
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//Update prevCount
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_prevCount = this->count();
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if( !_config || !_groupName )
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return;
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//First: search the item number.
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int number = 0;
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int subnumber = 0;
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while( true )
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{
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if( !_config->hasGroup( _groupName->arg( number ) ) )
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{
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number = -1; //not found
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break;
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}
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_config->setGroup( _groupName->arg( number ) );
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if( name == _config->readEntry( "name", QString::null ) )
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break; //found
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++number; //Try next group
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}
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if( number < 0 ) //failure
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return; //do nothing
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_config->deleteGroup( _groupName->arg( number ), true, false );
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emit elementDeleted( number );
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while( _subGroupName && _config->hasGroup( _subGroupName->arg( number ).arg( subnumber ) ) )
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{
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_config->deleteGroup( _subGroupName->arg( number ).arg( subnumber ) );
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++subnumber;
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}
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//rotate groups
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while( _config->hasGroup( _groupName->arg( number + 1 ) ) )
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{
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moveItem( number + 1, number );
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++number;
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}
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}
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void KEditListBoxManager::slotActivated( QListBoxItem* item )
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{
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if( item )
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emit activated( item->text() );
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}
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void KEditListBoxManager::moveItem( int src, int dest )
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{
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QMap<QString, QString> *srcList = new QMap<QString, QString >;
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QMap<QString, QString>::iterator it;
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int subnumber = 0;
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*srcList = _config->entryMap( _groupName->arg( src ) );
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_config->deleteGroup( _groupName->arg( src ) );
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_config->setGroup( _groupName->arg( dest ) );
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for( it = srcList->begin(); it != srcList->end(); ++it )
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_config->writeEntry( it.key(), it.data() );
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while( _subGroupName && _config->hasGroup( _subGroupName->arg( src ).arg( subnumber ) ) )
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{
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_config->deleteGroup( _subGroupName->arg( dest ).arg( subnumber ) );
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_config->setGroup( _subGroupName->arg( dest ).arg( subnumber ) );
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for( it = srcList->begin(); it != srcList->end(); ++it )
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_config->writeEntry( it.key(), it.data() );
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++subnumber;
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}
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emit elementsSwapped( src, dest );
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delete srcList;
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}
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void KEditListBoxManager::changeItem( int first, int last )
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{
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QMap<QString, QString> *firstList = new QMap<QString, QString >;
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QMap<QString, QString> *lastList = new QMap<QString, QString >;
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QMap<QString, QString>::iterator it;
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int subnumber = 0;
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*firstList = _config->entryMap( _groupName->arg( first ) );
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*lastList = _config->entryMap( _groupName->arg( last ) );
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_config->deleteGroup( _groupName->arg( first ) );
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_config->deleteGroup( _groupName->arg( last ) );
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_config->setGroup( _groupName->arg( last ) );
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for( it = firstList->begin(); it != firstList->end(); ++it )
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_config->writeEntry( it.key(), it.data() );
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_config->setGroup( _groupName->arg( first ) );
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for( it = lastList->begin(); it != lastList->end(); ++it )
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_config->writeEntry( it.key(), it.data() );
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while( _subGroupName && (
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_config->hasGroup( _subGroupName->arg( first ).arg( subnumber ) ) ||
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_config->hasGroup( _subGroupName->arg( last ).arg( subnumber ) ) ) )
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{
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*firstList = _config->entryMap( _subGroupName->arg( first ).arg( subnumber ) );
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*lastList = _config->entryMap( _subGroupName->arg( last ).arg( subnumber ) );
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_config->deleteGroup( _subGroupName->arg( first ).arg( subnumber ) );
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_config->deleteGroup( _subGroupName->arg( last ).arg( subnumber ) );
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_config->setGroup( _subGroupName->arg( last ).arg( subnumber ) );
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for( it = firstList->begin(); it != firstList->end(); ++it )
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_config->writeEntry( it.key(), it.data() );
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_config->setGroup( _subGroupName->arg( first ).arg( subnumber ) );
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for( it = lastList->begin(); it != lastList->end(); ++it )
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_config->writeEntry( it.key(), it.data() );
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++subnumber;
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}
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emit elementsSwapped( first, last );
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delete firstList;
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delete lastList;
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}
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void KEditListBoxManager::changedText()
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{
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_config->setGroup( _groupName->arg( this->currentItem() ) );
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_config->writeEntry( "name", this->currentText() );
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}
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#include "keditlistboxman.moc"
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