// (c) 2004 Mark Kretschmann <markey@web.de>// (c) 2004 Christian Muehlhaeuser <chris@chris.de>// (c) 2005 Gábor Lehel <illissius@gmail.com>// (c) 2005 Alexandre Pereira de Oliveira <aleprj@gmail.com>// (c) 2005 Christan Baumgart <christianbaumgart@web.de>// (c) 2006 Joe Rabinoff <bobqwatson@yahoo.com>// See COPYING file for licensing information.#include <config.h>#include "amarok.h"#include "amarokconfig.h"#include "browserbar.h"#include "browserToolBar.h"#include "clicklineedit.h"#include "collectionbrowser.h"#include "collectiondb.h"#include "covermanager.h"#include "debug.h"#include "deletedialog.h"#include "directorylist.h"#include "editfilterdialog.h"#include "k3bexporter.h"#include "mediabrowser.h"#include "metabundle.h"#include "mountpointmanager.h"#include "organizecollectiondialog.h"#include "playlist.h"       //insertMedia()#include "playlistbrowser.h"#include "starmanager.h"#include "statusbar.h"#include "tagdialog.h"#include "threadmanager.h"#include "qstringx.h"#include <taglib/tfile.h>   //TagLib::File::isWritable#include <unistd.h>         //CollectionView ctor#include <qapplication.h>#include <qcstring.h>#include <qdragobject.h>#include <qlayout.h>        //infobox#include <qmap.h>#include <qpainter.h>#include <qpixmap.h>#include <qptrlist.h>#include <qpushbutton.h>#include <qsimplerichtext.h>#include <qtimer.h>#include <qtooltip.h>       //QToolTip::add()#include <qheader.h>#include <qregexp.h>#include <kactioncollection.h>#include <kapplication.h>   //kapp#include <kconfig.h>#include <kcombobox.h>#include <kcursor.h>#include <kdialogbase.h>#include <kglobal.h>#include <kiconloader.h>    //renderView()#include <klocale.h>#include <kmessagebox.h>#include <kpopupmenu.h>#include <ktoolbarbutton.h> //ctor#include <kurldrag.h>       //dragObject()#include <kio/job.h>#include <kpushbutton.h>extern "C"{    #if KDE_VERSION < KDE_MAKE_VERSION(3,3,91)    #include <X11/Xlib.h>    //ControlMask in contentsDragMoveEvent()    #endif}using namespace CollectionBrowserIds;namespace Amarok { extern KConfig *config( const QString& ); }class CoverFetcher;CollectionBrowser *CollectionBrowser::s_instance = 0;CollectionBrowser::CollectionBrowser( const char* name )    : QVBox( 0, name )    , m_cat1Menu( new KPopupMenu( this ) )    , m_cat2Menu( new KPopupMenu( this ) )    , m_cat3Menu( new KPopupMenu( this ) )    , m_timer( new QTimer( this ) )    , m_returnPressed( false ){    s_instance = this;    setSpacing( 4 );    m_toolbar = new Browser::ToolBar( this );    { //<Search LineEdit>        KToolBarButton *button;        KToolBar* searchToolBar = new Browser::ToolBar( this );        button       = new KToolBarButton( "locationbar_erase", 0, searchToolBar );        m_searchEdit = new ClickLineEdit( i18n( "Enter search terms here" ), searchToolBar );        m_searchEdit->installEventFilter( this );        KPushButton *filterButton = new KPushButton("...", searchToolBar, "filter");        searchToolBar->setStretchableWidget( m_searchEdit );        m_searchEdit->setFrame( QFrame::Sunken );        connect( button, SIGNAL( clicked() ), SLOT( slotClearFilter() ) );        connect( filterButton, SIGNAL( clicked() ), SLOT( slotEditFilter() ) );        QToolTip::add( button, i18n( "Clear search field" ) );        QToolTip::add( m_searchEdit, i18n( "Enter space-separated terms to search in the collection" ) );        QToolTip::add( filterButton, i18n( "Click to edit collection filter" ) );    } //</Search LineEdit>    // We put a little toolbar for the forward/back buttons for iPod    // navigation to the right of m_timeFilter.  This toolbar is    // hidden when not in iPod browsing mode; it is shown and hidden    // in CollectionView::setViewMode().  m_ipodHbox holds m_timeFilter    // and m_ipodToolbar    m_ipodHbox = new QHBox( this );    m_ipodHbox->setSpacing( 7 );  // looks better    m_timeFilter = new KComboBox( m_ipodHbox, "timeFilter" );    m_ipodHbox->setStretchFactor( m_timeFilter, 1 );    // Allow the combobox to shrink so the iPod buttons are still visible    m_timeFilter->setSizePolicy( QSizePolicy::Expanding, QSizePolicy::Fixed );    m_timeFilter->insertItem( i18n( "Entire Collection" ) );    m_timeFilter->insertItem( i18n( "Added Today" ) );    m_timeFilter->insertItem( i18n( "Added Within One Week" ) );    m_timeFilter->insertItem( i18n( "Added Within One Month" ) );    m_timeFilter->insertItem( i18n( "Added Within Three Months" ) );    m_timeFilter->insertItem( i18n( "Added Within One Year" ) );    // m_ipodToolbar just holds the forward and back buttons, which are    // plugged below    m_ipodToolbar = new Browser::ToolBar( m_ipodHbox );    m_ipodHbox->setStretchFactor( m_ipodToolbar, 0 );    m_ipodToolbar->setIconText( KToolBar::IconOnly, false );    KActionCollection* ac = new KActionCollection( this );    m_view = new CollectionView( this );    m_view->installEventFilter( this );    m_configureAction = new KAction( i18n( "Configure Folders" ), Amarok::icon( "configure" ), 0, this, SLOT( setupDirs() ), ac, "Configure" );    m_treeViewAction = new KRadioAction( i18n( "Tree View" ), "view_tree", 0, m_view, SLOT( setTreeMode() ), ac, "Tree View" );    m_flatViewAction = new KRadioAction( i18n( "Flat View" ), "view_detailed", 0, m_view, SLOT( setFlatMode() ), ac, "Flat View" );    m_ipodViewAction = new KRadioAction( i18n( "iPod View" ), Amarok::icon("device"), 0, m_view, SLOT( setIpodMode() ), ac, "iPod View" );    m_treeViewAction->setExclusiveGroup("view mode");    m_flatViewAction->setExclusiveGroup("view mode");    m_ipodViewAction->setExclusiveGroup("view mode");    switch( m_view->m_viewMode )      {      case CollectionView::modeTreeView:        m_treeViewAction->setChecked( true );        break;      case CollectionView::modeFlatView:        m_flatViewAction->setChecked( true );        break;      case CollectionView::modeIpodView:        m_ipodViewAction->setChecked( true );        break;      }    m_showDividerAction = new KToggleAction( i18n( "Show Divider" ), "leftjust", 0, this, SLOT( toggleDivider() ), ac, "Show Divider" );    m_showDividerAction->setChecked(m_view->m_showDivider);    // m_ipodIncrement and m_ipodDecrement are the actions that    // correspond to moving forward / backward in the iPod collection    // browser window; see the "For iPod-style navigation" comments below.    m_ipodDecrement = new KAction( i18n( "Browse backward" ),                                   QIconSet( m_view->ipodDecrementIcon(), QIconSet::Small ),                                   0, m_view, SLOT( decrementDepth() ), ac,                                   "iPod Decrement" );    m_ipodIncrement = new KAction( i18n( "Browse forward" ),                                   QIconSet( m_view->ipodIncrementIcon(), QIconSet::Small ),                                   0, m_view, SLOT( incrementDepth() ), ac,                                   "iPod Increment" );    m_ipodDecrement->plug( m_ipodToolbar );    m_ipodIncrement->plug( m_ipodToolbar );    // Show / hide m_ipodToolbar based on the view mode    ipodToolbar( m_view->m_viewMode == CollectionView::modeIpodView );    m_tagfilterMenuButton = new KActionMenu( i18n( "Group By" ), "filter", ac );    m_tagfilterMenuButton->setDelayed( false );    // FIXME: either both or nothing    //m_tagfilterMenuButton->setEnabled( m_view->m_viewMode == CollectionView::modeTreeView );    //connect ( m_treeViewAction, SIGNAL ( toggled(bool) ), m_tagfilterMenuButton, SLOT( setEnabled (bool) ) );    layoutToolbar();    m_categoryMenu = m_tagfilterMenuButton->popupMenu();    m_categoryMenu->insertItem( i18n( "Artist" ), m_view, SLOT( presetMenu( int ) ), 0, IdArtist );    m_categoryMenu->insertItem( i18n( "Artist / Album" ), m_view, SLOT( presetMenu( int ) ), 0, IdArtistAlbum );    m_categoryMenu->insertItem( i18n( "Artist" )+" / "+ i18n( "Year" ) + i18n( " - " ) + i18n( "Album" ), m_view, SLOT( presetMenu( int ) ), 0, IdArtistVisYearAlbum );    m_categoryMenu->insertItem( i18n( "Album" ), m_view, SLOT( presetMenu( int ) ), 0, IdAlbum );    m_categoryMenu->insertItem( i18n( "Genre / Artist" ), m_view, SLOT( presetMenu( int ) ), 0, IdGenreArtist );    m_categoryMenu->insertItem( i18n( "Genre / Artist / Album" ), m_view, SLOT( presetMenu( int ) ), 0, IdGenreArtistAlbum );    m_categoryMenu->insertSeparator();    m_categoryMenu->insertItem( i18n( "&First Level" ), m_cat1Menu );    m_categoryMenu->insertItem( i18n( "&Second Level"), m_cat2Menu );    m_categoryMenu->insertItem( i18n( "&Third Level" ), m_cat3Menu );    m_cat1Menu ->insertItem( i18n( "&Album" ), m_view, SLOT( cat1Menu( int ) ), 0, IdAlbum );    m_cat1Menu ->insertItem( i18n( "(Y&ear) - Album" ), m_view, SLOT( cat1Menu( int ) ), 0, IdVisYearAlbum);    m_cat1Menu ->insertItem( i18n( "A&rtist"), m_view, SLOT( cat1Menu( int ) ), 0, IdArtist );    m_cat1Menu ->insertItem( i18n( "&Composer"), m_view, SLOT( cat1Menu( int ) ), 0, IdComposer );    m_cat1Menu ->insertItem( i18n( "&Genre" ), m_view, SLOT( cat1Menu( int ) ), 0, IdGenre );    m_cat1Menu ->insertItem( i18n( "&Year" ), m_view, SLOT( cat1Menu( int ) ), 0, IdYear );    m_cat1Menu ->insertItem( i18n( "&Label" ), m_view, SLOT( cat1Menu( int ) ), 0, IdLabel );    m_cat2Menu ->insertItem( i18n( "&None" ), m_view, SLOT( cat2Menu( int ) ), 0, IdNone );    m_cat2Menu ->insertSeparator();    m_cat2Menu ->insertItem( i18n( "&Album" ), m_view, SLOT( cat2Menu( int ) ), 0, IdAlbum );    m_cat2Menu ->insertItem( i18n( "(Y&ear) - Album" ), m_view, SLOT( cat2Menu( int ) ), 0, IdVisYearAlbum);    m_cat2Menu ->insertItem( i18n( "A&rtist" ), m_view, SLOT( cat2Menu( int ) ), 0, IdArtist );    m_cat2Menu ->insertItem( i18n( "&Composer"), m_view, SLOT( cat2Menu( int ) ), 0, IdComposer );    m_cat2Menu ->insertItem( i18n( "&Genre" ), m_view, SLOT( cat2Menu( int ) ), 0, IdGenre );    m_cat2Menu ->insertItem( i18n( "&Year" ), m_view, SLOT( cat2Menu( int ) ), 0, IdYear );    m_cat2Menu ->insertItem( i18n( "&Label" ), m_view, SLOT( cat2Menu( int ) ), 0, IdLabel );    m_cat3Menu ->insertItem( i18n( "&None" ), m_view, SLOT( cat3Menu( int ) ), 0, IdNone );    m_cat3Menu ->insertSeparator();    m_cat3Menu ->insertItem( i18n( "A&lbum" ), m_view, SLOT( cat3Menu( int ) ), 0, IdAlbum );    m_cat3Menu ->insertItem( i18n( "(Y&ear) - Album" ), m_view, SLOT( cat3Menu( int ) ), 0, IdVisYearAlbum);    m_cat3Menu ->insertItem( i18n( "A&rtist" ), m_view, SLOT( cat3Menu( int ) ), 0, IdArtist );    m_cat3Menu ->insertItem( i18n( "&Composer"), m_view, SLOT( cat3Menu( int ) ), 0, IdComposer );    m_cat3Menu ->insertItem( i18n( "&Genre" ), m_view, SLOT( cat3Menu( int ) ), 0, IdGenre );    m_cat3Menu ->insertItem( i18n( "&Year" ), m_view, SLOT( cat3Menu( int ) ), 0, IdYear );    m_cat3Menu ->insertItem( i18n( "&Label" ), m_view, SLOT( cat3Menu( int ) ), 0, IdLabel );    m_view->cat1Menu( m_view->m_cat1, false );    m_view->cat2Menu( m_view->m_cat2, false );    m_view->cat3Menu( m_view->m_cat3, false );    m_view->setViewMode( m_view->m_viewMode );    connect( m_timer, SIGNAL( timeout() ), SLOT( slotSetFilter() ) );    connect( m_searchEdit, SIGNAL( textChanged( const QString& ) ), SLOT( slotSetFilterTimeout() ) );    connect( m_timeFilter, SIGNAL( activated( int ) ), SLOT( slotSetFilter() ) );    setFocusProxy( m_view ); //default object to get focus}voidCollectionBrowser::slotClearFilter() //SLOT{    m_searchEdit->clear();    kapp->processEvents();  //Let the search bar redraw fully.    QTimer::singleShot( 0, this, SLOT( slotSetFilter() ) ); //Filter instantly    QTimer::singleShot( 0, m_view, SLOT( slotEnsureSelectedItemVisible() ) );}voidCollectionBrowser::slotSetFilterTimeout() //SLOT{    m_returnPressed = false;    m_timer->start( 280, true ); //stops the timer for us first}voidCollectionBrowser::slotSetFilter() //SLOT{    m_timer->stop();    m_view->m_dirty = true;    m_view->setFilter( m_searchEdit->text() );    m_view->setTimeFilter( m_timeFilter->currentItem() );    m_view->renderView();    if ( m_returnPressed )        appendSearchResults();    m_returnPressed = false;}voidCollectionBrowser::slotSetFilter( const QString &filter ) //SLOT{    m_searchEdit->setText( filter );    kapp->processEvents();  //Let the search bar redraw fully.    QTimer::singleShot( 0, this, SLOT( slotSetFilter() ) ); //Filter instantly    QTimer::singleShot( 0, m_view, SLOT( slotEnsureSelectedItemVisible() ) );}voidCollectionBrowser::slotEditFilter() //SLOT{    EditFilterDialog *cod = new EditFilterDialog( this, false, m_searchEdit->text() );    connect( cod, SIGNAL(filterChanged(const QString &)), SLOT(slotSetFilter(const QString &)) );    if( cod->exec() )        m_searchEdit->setText( cod->filter() );    delete cod;}voidCollectionBrowser::setupDirs()  //SLOT{    m_view->setupDirs();}voidCollectionBrowser::toggleDivider() //SLOT{    m_view->setShowDivider( m_showDividerAction->isChecked() );}voidCollectionBrowser::appendSearchResults(){    //If we are not filtering, or the search string has changed recently, do nothing    if ( m_searchEdit->text().stripWhiteSpace().isEmpty() || m_timer->isActive() )        return;    m_view->selectAll();    Playlist::instance()->insertMedia( m_view->listSelected(), Playlist::Unique | Playlist::Append );    m_view->clearSelection();    slotClearFilter();}boolCollectionBrowser::eventFilter( QObject *o, QEvent *e ){    switch( e->type() )    {    case 6/*QEvent::KeyPress*/:        //there are a few keypresses that we intercept        #define e static_cast<QKeyEvent*>(e)        if( o == m_searchEdit ) //the search lineedit        {            switch( e->key() )            {            case Key_Up:            case Key_Down:            case Key_PageDown:            case Key_PageUp:                m_view->setFocus();                QApplication::sendEvent( m_view, e );                return true;            case Key_Escape:                slotClearFilter();                return true;            case Key_Return:            case Key_Enter:                if ( m_timer->isActive() )                {                    //Immediately filter and add results                    m_timer->stop();                    m_returnPressed = true;                    QTimer::singleShot( 0, this, SLOT( slotSetFilter() ) );                }                else                {                    //Add current results