mirror of
https://github.com/xiaoyifang/goldendict-ng.git
synced 2024-11-24 04:24:09 +00:00
369 lines
9.9 KiB
C++
369 lines
9.9 KiB
C++
/* This file is (c) 2014 Abs62
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* Part of GoldenDict. Licensed under GPLv3 or later, see the LICENSE file */
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#include "dictheadwords.hh"
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#include "gddebug.hh"
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#include "mainwindow.hh"
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#include <QRegExp>
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#include <QDir>
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#include <QFileDialog>
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#include <QTimer>
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#include <QProgressDialog>
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#if QT_VERSION >= QT_VERSION_CHECK( 5, 12, 0 )
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#include <QRegularExpression>
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#include "wildcard.hh"
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#include "gddebug.hh"
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#endif
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#define AUTO_APPLY_LIMIT 150000
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DictHeadwords::DictHeadwords( QWidget *parent, Config::Class & cfg_,
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Dictionary::Class * dict_ ) :
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QDialog(parent)
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, cfg( cfg_ )
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, dict( dict_ )
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, helpAction( this )
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{
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ui.setupUi( this );
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bool fromMainWindow = parent->objectName() == "MainWindow";
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if( fromMainWindow )
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setAttribute( Qt::WA_DeleteOnClose, false );
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setWindowFlags( windowFlags() & ~Qt::WindowContextHelpButtonHint );
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if( cfg.headwordsDialog.headwordsDialogGeometry.size() > 0 )
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restoreGeometry( cfg.headwordsDialog.headwordsDialogGeometry );
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ui.searchModeCombo->addItem( tr( "Text" ), QRegExp::FixedString );
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ui.searchModeCombo->addItem( tr( "Wildcards" ), QRegExp::WildcardUnix );
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ui.searchModeCombo->addItem( tr( "RegExp" ), QRegExp::RegExp );
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ui.searchModeCombo->setCurrentIndex( cfg.headwordsDialog.searchMode );
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ui.exportButton->setAutoDefault( false );
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ui.OKButton->setAutoDefault( false);
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ui.applyButton->setAutoDefault( true );
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ui.applyButton->setDefault( true );
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ui.matchCase->setChecked( cfg.headwordsDialog.matchCase );
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model = new QStringListModel( this );
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model->setStringList( headers );
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proxy = new QSortFilterProxyModel( this );
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proxy->setSourceModel( model );
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proxy->setSortCaseSensitivity( Qt::CaseInsensitive );
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proxy->setSortLocaleAware( true );
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proxy->setDynamicSortFilter( false );
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ui.headersListView->setModel( proxy );
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ui.headersListView->setEditTriggers( QAbstractItemView::NoEditTriggers );
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// very important call, for performance reasons:
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ui.headersListView->setUniformItemSizes( true );
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delegate = new WordListItemDelegate( ui.headersListView->itemDelegate() );
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if( delegate )
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ui.headersListView->setItemDelegate( delegate );
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ui.autoApply->setChecked( cfg.headwordsDialog.autoApply );
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connect( this, SIGNAL( finished( int ) ), this, SLOT( savePos() ) );
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if( !fromMainWindow )
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{
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ui.helpButton->hide();
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connect( this, SIGNAL( closeDialog() ), this, SLOT( accept() ) );
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}
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else
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{
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connect( ui.helpButton, SIGNAL( clicked() ),
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this, SLOT( helpRequested() ) );
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helpAction.setShortcut( QKeySequence( "F1" ) );
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helpAction.setShortcutContext( Qt::WidgetWithChildrenShortcut );
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connect( &helpAction, SIGNAL( triggered() ),
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this, SLOT( helpRequested() ) );
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addAction( &helpAction );
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}
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connect( ui.OKButton, SIGNAL( clicked( bool ) ), this, SLOT( okButtonClicked() ) );
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connect( ui.exportButton, SIGNAL( clicked( bool ) ), this, SLOT( exportButtonClicked() ) );
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connect( ui.applyButton, SIGNAL( clicked( bool ) ), this, SLOT( filterChanged() ) );
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connect( ui.autoApply, SIGNAL( stateChanged( int ) ),
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this, SLOT( autoApplyStateChanged( int ) ) );
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connect( ui.filterLine, SIGNAL( textChanged( QString ) ),
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this, SLOT( filterChangedInternal() ) );
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connect( ui.searchModeCombo, SIGNAL( currentIndexChanged( int ) ),
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this, SLOT( filterChangedInternal() ) );
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connect( ui.matchCase, SIGNAL( stateChanged( int ) ),
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this, SLOT( filterChangedInternal() ) );
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connect( ui.headersListView, SIGNAL( clicked( QModelIndex ) ),
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this, SLOT( itemClicked( QModelIndex ) ) );
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connect( proxy, SIGNAL( dataChanged( QModelIndex, QModelIndex ) ),
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this, SLOT( showHeadwordsNumber() ) );
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ui.headersListView->installEventFilter( this );
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setup( dict_ );
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}
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DictHeadwords::~DictHeadwords()
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{
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if( delegate )
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delegate->deleteLater();
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}
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void DictHeadwords::setup( Dictionary::Class *dict_ )
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{
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QApplication::setOverrideCursor( Qt::WaitCursor );
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dict = dict_;
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setWindowTitle( QString::fromUtf8( dict->getName().c_str() ) );
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headers.clear();
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model->setStringList( headers );
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dict->getHeadwords( headers );
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model->setStringList( headers );
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proxy->sort( 0 );
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filterChanged();
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if( headers.size() > AUTO_APPLY_LIMIT )
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{
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cfg.headwordsDialog.autoApply = ui.autoApply->isChecked();
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ui.autoApply->setChecked( false );
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ui.autoApply->setEnabled( false );
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}
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else
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{
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ui.autoApply->setEnabled( true );
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ui.autoApply->setChecked( cfg.headwordsDialog.autoApply );
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}
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ui.applyButton->setEnabled( !ui.autoApply->isChecked() );
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setWindowIcon( dict->getIcon() );
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dictId = QString( dict->getId().c_str() );
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QApplication::restoreOverrideCursor();
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}
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void DictHeadwords::savePos()
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{
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cfg.headwordsDialog.searchMode = ui.searchModeCombo->currentIndex();
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cfg.headwordsDialog.matchCase = ui.matchCase->isChecked();
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if( headers.size() <= AUTO_APPLY_LIMIT )
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cfg.headwordsDialog.autoApply = ui.autoApply->isChecked();
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cfg.headwordsDialog.headwordsDialogGeometry = saveGeometry();
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}
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bool DictHeadwords::eventFilter( QObject * obj, QEvent * ev )
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{
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if( obj == ui.headersListView && ev->type() == QEvent::KeyPress )
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{
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QKeyEvent * kev = static_cast< QKeyEvent * >( ev );
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if( kev->key() == Qt::Key_Return || kev->key() == Qt::Key_Enter )
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{
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itemClicked( ui.headersListView->currentIndex() );
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return true;
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}
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}
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return QDialog::eventFilter( obj, ev );
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}
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void DictHeadwords::okButtonClicked()
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{
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savePos();
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closeDialog();
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}
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void DictHeadwords::reject()
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{
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savePos();
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closeDialog();
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}
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void DictHeadwords::exportButtonClicked()
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{
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saveHeadersToFile();
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}
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void DictHeadwords::filterChangedInternal()
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{
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// emit signal in async manner, to avoid UI slowdown
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if( ui.autoApply->isChecked() )
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QTimer::singleShot( 100, this, SLOT( filterChanged() ) );
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}
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void DictHeadwords::filterChanged()
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{
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QRegExp::PatternSyntax syntax =
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QRegExp::PatternSyntax( ui.searchModeCombo->itemData(
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ui.searchModeCombo->currentIndex()).toInt() );
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QRegularExpression::PatternOptions options = QRegularExpression::UseUnicodePropertiesOption;
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if( !ui.matchCase->isChecked() )
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options |= QRegularExpression::CaseInsensitiveOption;
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QString pattern;
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switch( syntax )
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{
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case QRegExp::FixedString: pattern = QRegularExpression::escape( ui.filterLine->text() );
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break;
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case QRegExp::WildcardUnix: pattern = wildcardsToRegexp( ui.filterLine->text() );
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break;
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default: pattern = ui.filterLine->text();
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break;
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}
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QRegularExpression regExp( pattern, options );
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if( !regExp.isValid() )
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{
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gdWarning( "Invalid regexp pattern: %s\n", pattern.toUtf8().data() );
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regExp.setPattern( QString::fromLatin1( "\1" ) );
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}
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QApplication::setOverrideCursor( Qt::WaitCursor );
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proxy->setFilterRegularExpression( regExp );
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proxy->sort( 0 );
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QApplication::restoreOverrideCursor();
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showHeadwordsNumber();
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}
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void DictHeadwords::itemClicked( const QModelIndex & index )
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{
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QVariant value = proxy->data( index, Qt::DisplayRole );
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if ( value.canConvert< QString >() )
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{
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QString headword = value.toString();
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emit headwordSelected( headword, dictId );
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}
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}
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void DictHeadwords::autoApplyStateChanged( int state )
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{
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ui.applyButton->setEnabled( state == Qt::Unchecked );
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}
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void DictHeadwords::showHeadwordsNumber()
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{
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ui.headersNumber->setText( tr( "Unique headwords total: %1, filtered: %2" )
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.arg( QString::number( headers.size() ) )
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.arg( QString::number( proxy->rowCount() ) ) );
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}
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void DictHeadwords::saveHeadersToFile()
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{
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QString exportPath;
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if( cfg.headwordsDialog.headwordsExportPath.isEmpty() )
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exportPath = QDir::homePath();
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else
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{
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exportPath = QDir::fromNativeSeparators( cfg.headwordsDialog.headwordsExportPath );
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if( !QDir( exportPath ).exists() )
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exportPath = QDir::homePath();
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}
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QString fileName = QFileDialog::getSaveFileName( this, tr( "Save headwords to file" ),
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exportPath,
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tr( "Text files (*.txt);;All files (*.*)" ) );
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if( fileName.size() == 0)
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return;
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cfg.headwordsDialog.headwordsExportPath = QDir::toNativeSeparators(
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QFileInfo( fileName ).absoluteDir().absolutePath() );
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QFile file( fileName );
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for(;;)
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{
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if ( !file.open( QFile::WriteOnly | QIODevice::Text ) )
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break;
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int headwordsNumber = proxy->rowCount();
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// Setup progress dialog
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int n = headwordsNumber;
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int step = 1;
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while( n > 1000 )
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{
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step *= 10;
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n /= 10;
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}
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QProgressDialog progress( tr( "Export headwords..."), tr( "Cancel" ),
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0, n, this );
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progress.setWindowModality( Qt::WindowModal );
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// Write UTF-8 BOM
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QByteArray line;
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line.append( 0xEF ).append( 0xBB ).append( 0xBF );
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if ( file.write( line ) != line.size() )
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break;
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// Write headwords
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int i;
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for( i = 0; i < headwordsNumber; ++i )
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{
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if( i % step == 0 )
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progress.setValue( i / step );
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if( progress.wasCanceled() )
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break;
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QVariant value = proxy->data( proxy->index( i, 0 ) );
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if( !value.canConvert< QString >() )
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continue;
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line = value.toString().toUtf8();
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line.replace( '\n', ' ' );
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line.replace( '\r', ' ' );
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line += "\n";
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if ( file.write( line ) != line.size() )
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break;
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}
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if( i < headwordsNumber && !progress.wasCanceled() )
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break;
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file.close();
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return;
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}
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gdWarning( "Headers export error: %s", file.errorString().toUtf8().data() );
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file.close();
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}
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void DictHeadwords::helpRequested()
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{
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MainWindow * mainWindow = qobject_cast< MainWindow * >( parentWidget() );
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if( mainWindow )
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mainWindow->showGDHelpForID( "Dictionary headwords" );
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}
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