/// (c) Pierpaolo Di Panfilo 2004// (c) Alexandre Pereira de Oliveira 2005// (c) 2005 Isaiah Damron <xepo@trifault.net>// (c) 2006 Peter C. Ndikuwera <pndiku@gmail.com>// See COPYING file for licensing information#define DEBUG_PREFIX "SmartPlaylistEditor"#include "amarok.h" //foreach#include "debug.h"#include "collectiondb.h"#include "metabundle.h"#include "mountpointmanager.h"#include "smartplaylisteditor.h"#include <kcombobox.h>#include <klineedit.h>#include <klocale.h>#include <kmountpoint.h>#include <knuminput.h>#include <qcheckbox.h>#include <qdatetime.h>#include <qdatetimeedit.h>    //loadEditWidgets()#include <qframe.h>#include <qhbox.h>#include <qlabel.h>#include <qlayout.h>#include <qobjectlist.h>#include <qstringlist.h>#include <qtoolbutton.h>#include <qvbox.h>#include <qvgroupbox.h>enum Fields{    FArtist = 0,    FComposer,    FAlbum,    FGenre,    FTitle,    FLength,    FTrack,    FYear,    FComment,    FPlayCounter,    FScore,    FRating,    FFirstPlay,    FLastPlay,    FModfiedDate,    FFilePath,    FBPM,    FMountPoint,    FBitRate,    FLabel};QStringList m_fields;QStringList m_dbFields;QStringList m_expandableFields;QStringList m_expandableDbFields;SmartPlaylistEditor::SmartPlaylistEditor( QString defaultName, QWidget *parent, const char *name )    : KDialogBase( parent, name, true, i18n("Create Smart Playlist"),      Ok|Cancel, Ok, true ){    init(defaultName);    addCriteriaAny();    addCriteriaAll();}SmartPlaylistEditor::SmartPlaylistEditor( QWidget *parent, QDomElement xml, const char *name)    : KDialogBase( parent, name, true, i18n("Edit Smart Playlist"),      Ok|Cancel, Ok, true ){    init( xml.attribute( "name" ) );    // matches    QDomNodeList matchesList =  xml.elementsByTagName( "matches" );    bool matchedANY = false, matchedALL = false;    m_matchAllCheck->setChecked( true );    m_matchAnyCheck->setChecked( true );    for (int i = 0, m = matchesList.count(); i<m; i++) {        QDomElement matches = matchesList.item(i).toElement();        QDomNodeList criteriaList =  matches.elementsByTagName( "criteria" );        if ( criteriaList.count() ) {            for (int j = 0, c=criteriaList.count() ; j<c; ++j ) {                QDomElement criteria = criteriaList.item(j).toElement();                if (matches.attribute( "glue" ) == "OR") {                    matchedANY = true;                    addCriteriaAny( criteria );                }                else {                    matchedALL = true;                    addCriteriaAll( criteria );                }            }        }    }    if ( !matchedALL ) {        addCriteriaAll();        m_matchAllCheck->setChecked( false );    }    if ( !matchedANY ) {        m_matchAnyCheck->setChecked( false );        addCriteriaAny( );    }    // orderby    QDomNodeList orderbyList =  xml.elementsByTagName( "orderby" );    if ( orderbyList.count() ) {        m_orderCheck->setChecked( true );        QDomElement orderby = orderbyList.item(0).toElement(); // we only allow one orderby node        //random is always the last one.        int dbfield = orderby.attribute( "field" ) == "random" ? m_dbFields.count() : m_dbFields.findIndex( orderby.attribute( "field" ) );        m_orderCombo->setCurrentItem( dbfield );        updateOrderTypes( dbfield );        if ( orderby.attribute( "order" ) == "DESC" || orderby.attribute( "order" ) == "weighted" )            m_orderTypeCombo->setCurrentItem( 1 );        else if ( orderby.attribute( "order" ) == "ratingweighted" )            m_orderTypeCombo->setCurrentItem( 2 );        else            m_orderTypeCombo->setCurrentItem( 0 );    }    // limit    if  ( xml.hasAttribute( "maxresults" ) ) {        m_limitCheck->setChecked( true );        m_limitSpin->setValue( xml.attribute( "maxresults" ).toInt() );    }    // expand by    QDomNodeList expandbyList =  xml.elementsByTagName( "expandby" );    if ( expandbyList.count() ) {        m_expandCheck->setChecked( true );        QDomElement expandby = expandbyList.item(0).toElement(); // we only allow one orderby node        int dbfield = m_expandableFields.findIndex( expandby.attribute( "field" ) );        m_expandCombo->setCurrentItem( dbfield );    }}void SmartPlaylistEditor::init(QString defaultName){    makeVBoxMainWidget();    m_fields.clear();    m_fields << i18n("Artist") << i18n("Composer") << i18n("Album") << i18n("Genre") << i18n("Title") << i18n("Length")             << i18n("Track #") << i18n("Year") << i18n("Comment") << i18n("Play Counter")             << i18n("Score") << i18n( "Rating" ) << i18n("First Play")             << i18n("Last Play") << i18n("Modified Date") << i18n("File Path")             << i18n("BPM") << i18n("Mount Point") << i18n( "Bitrate" ) << i18n( "Label" );    m_dbFields.clear();    m_dbFields << "artist.name" << "composer.name" << "album.name" << "genre.name" << "tags.title" << "tags.length"               << "tags.track" << "year.name" << "tags.comment" << "statistics.playcounter"               << "statistics.percentage" << "statistics.rating" << "statistics.createdate"               << "statistics.accessdate" << "tags.createdate" << "tags.url"               << "tags.bpm" << "devices.lastmountpoint" << "tags.bitrate" << "labels.name";    m_expandableFields.clear();    m_expandableFields << i18n("Artist") << i18n("Composer") << i18n("Album") << i18n("Genre") <<  i18n("Year") << i18n( "Label" );    m_expandableDbFields.clear();    m_expandableDbFields << "artist.name" << "composer.name" << "album.name" << "genre.name" << "year.name" << "labels.name";    QHBox *hbox = new QHBox( mainWidget() );    hbox->setSpacing( 5 );    new QLabel( i18n("Playlist name:"), hbox );    m_nameLineEdit = new KLineEdit( defaultName, hbox );    QFrame *sep = new QFrame( mainWidget() );    sep->setFrameStyle( QFrame::HLine | QFrame::Sunken );    //match box (any)    QHBox *matchAnyBox = new QHBox( mainWidget() );    m_matchAnyCheck = new QCheckBox( i18n("Match Any of the following conditions" ), matchAnyBox );    matchAnyBox->setStretchFactor( new QWidget( matchAnyBox ), 1 );    //criteria box    m_criteriaAnyGroupBox = new QVGroupBox( QString::null, mainWidget() );    //match box (all)    QHBox *matchAllBox = new QHBox( mainWidget() );    m_matchAllCheck = new QCheckBox( i18n("Match All of the following conditions" ), matchAllBox );    matchAllBox->setStretchFactor( new QWidget( matchAllBox ), 1 );    //criteria box    m_criteriaAllGroupBox = new QVGroupBox( QString::null, mainWidget() );    //order box    QHBox *hbox2 = new QHBox( mainWidget() );    m_orderCheck = new QCheckBox( i18n("Order by"), hbox2 );    QHBox *orderBox = new QHBox( hbox2 );    orderBox->setSpacing( 5 );    //fields combo    m_orderCombo = new KComboBox( orderBox );    m_orderCombo->insertStringList( m_fields );    m_orderCombo->insertItem( i18n("Random") );    //order type    m_orderTypeCombo = new KComboBox( orderBox );    updateOrderTypes(0); // populate the new m_orderTypeCombo    hbox2->setStretchFactor( new QWidget( hbox2 ), 1 );    //limit box    QHBox *hbox1 = new QHBox( mainWidget() );    m_limitCheck = new QCheckBox( i18n("Limit to"), hbox1 );    QHBox *limitBox = new QHBox( hbox1 );    limitBox->setSpacing( 5 );    m_limitSpin = new KIntSpinBox( limitBox );    m_limitSpin->setMinValue( 1 );    m_limitSpin->setMaxValue( 100000 );    m_limitSpin->setValue( 15 );    new QLabel( i18n("tracks"), limitBox );    hbox1->setStretchFactor( new QWidget( hbox1 ), 1 );    //Expand By    QHBox *hbox3 = new QHBox( mainWidget() );    m_expandCheck = new QCheckBox( i18n("Expand by"), hbox3 );    QHBox *expandBox = new QHBox( hbox3 );    expandBox->setSpacing( 5 );    m_expandCombo = new KComboBox( expandBox );    m_expandCombo->insertStringList( m_expandableFields );    hbox3->setStretchFactor( new QWidget( hbox3 ), 1 );    //add stretch    static_cast<QHBox *>(mainWidget())->setStretchFactor(new QWidget(mainWidget()), 1);    connect( m_matchAnyCheck, SIGNAL( toggled(bool) ), m_criteriaAnyGroupBox, SLOT( setEnabled(bool) ) );    connect( m_matchAllCheck, SIGNAL( toggled(bool) ), m_criteriaAllGroupBox, SLOT( setEnabled(bool) ) );    connect( m_orderCheck, SIGNAL( toggled(bool) ), orderBox, SLOT( setEnabled(bool) ) );    connect( m_limitCheck, SIGNAL( toggled(bool) ), limitBox, SLOT(  setEnabled(bool) ) );    connect( m_expandCheck, SIGNAL( toggled(bool) ), expandBox, SLOT( setEnabled(bool) ) );    connect( m_orderCombo, SIGNAL( activated(int) ), this, SLOT( updateOrderTypes(int) ) );    m_criteriaAnyGroupBox->setEnabled( false );    m_criteriaAllGroupBox->setEnabled( false );    orderBox->setEnabled( false );    limitBox->setEnabled( false );    expandBox->setEnabled( false );    m_nameLineEdit->setFocus();    resize( 550, 200 );}void SmartPlaylistEditor::addCriteriaAny(){    CriteriaEditor *criteria= new CriteriaEditor( this, m_criteriaAnyGroupBox, criteriaAny );    m_criteriaEditorAnyList.append( criteria );    m_criteriaEditorAnyList.first()->enableRemove( m_criteriaEditorAnyList.count() > 1 );}void SmartPlaylistEditor::addCriteriaAll(){    CriteriaEditor *criteria= new CriteriaEditor( this, m_criteriaAllGroupBox, criteriaAll );    m_criteriaEditorAllList.append( criteria );    m_criteriaEditorAllList.first()->enableRemove( m_criteriaEditorAllList.count() > 1 );}void SmartPlaylistEditor::addCriteriaAny( QDomElement &xml ){    CriteriaEditor *criteria = new CriteriaEditor( this, m_criteriaAnyGroupBox, criteriaAny, xml );    m_criteriaEditorAnyList.append( criteria );    m_criteriaEditorAnyList.first()->enableRemove( m_criteriaEditorAnyList.count() > 1 );}void SmartPlaylistEditor::addCriteriaAll( QDomElement &xml ){    CriteriaEditor *criteria = new CriteriaEditor( this, m_criteriaAllGroupBox, criteriaAll, xml );    m_criteriaEditorAllList.append( criteria );    m_criteriaEditorAllList.first()->enableRemove( m_criteriaEditorAllList.count() > 1 );}void SmartPlaylistEditor::removeCriteriaAny( CriteriaEditor *criteria ){    m_criteriaEditorAnyList.remove( criteria );    criteria->deleteLater();    resize( size().width(), sizeHint().height() );    if( m_criteriaEditorAnyList.count() == 1 )	m_criteriaEditorAnyList.first()->enableRemove( false );}void SmartPlaylistEditor::removeCriteriaAll( CriteriaEditor *criteria ){    m_criteriaEditorAllList.remove( criteria );    criteria->deleteLater();    resize( size().width(), sizeHint().height() );    if( m_criteriaEditorAllList.count() == 1 )	m_criteriaEditorAllList.first()->enableRemove( false );}void SmartPlaylistEditor::updateOrderTypes( int index ){    int currentOrderType = m_orderTypeCombo->currentItem();    if( index == m_orderCombo->count()-1 ) {  // random order selected        m_orderTypeCombo->clear();        m_orderTypeCombo->insertItem( i18n("Completely Random") );        m_orderTypeCombo->insertItem( i18n("Score Weighted") );        m_orderTypeCombo->insertItem( i18n("Rating Weighted") );    }    else {  // ordinary order column selected        m_orderTypeCombo->clear();        m_orderTypeCombo->insertItem( i18n("Ascending") );        m_orderTypeCombo->insertItem( i18n("Descending") );    }    if( currentOrderType < m_orderTypeCombo->count() )        m_orderTypeCombo->setCurrentItem( currentOrderType );    m_orderTypeCombo->setFont(m_orderTypeCombo->font());  // invalidate size hint    m_orderTypeCombo->updateGeometry();}QDomElement SmartPlaylistEditor::result(){    QDomDocument doc;    QDomNode node = doc.namedItem( "smartplaylists" );    QDomElement nodeE;    nodeE = node.toElement();    QDomElement smartplaylist = doc.createElement( "smartplaylist" );    smartplaylist.setAttribute( "name", name() );    // Limit    if ( m_limitCheck->isChecked() )        smartplaylist.setAttribute( "maxresults", m_limitSpin->value() );    nodeE.appendChild( smartplaylist );    // Matches    if( m_matchAnyCheck->isChecked() )    {        QDomElement matches = doc.createElement("matches");        smartplaylist.appendChild( matches );        // Iterate through all criteria list        CriteriaEditor *criteriaeditor = m_criteriaEditorAnyList.first();        for( int i=0; criteriaeditor; criteriaeditor = m_criteriaEditorAnyList.next(), ++i )            matches.appendChild( doc.importNode( criteriaeditor->getDomSearchCriteria( doc ), true ) );        matches.setAttribute( "glue",  "OR" );        smartplaylist.appendChild( matches );    }    if( m_matchAllCheck->isChecked() )    {