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Extract duplicated "gdfrom-" string manipulation into functions

Browse source 
Such helper functions facilitate understanding of the code and simplify
implementing new features.
This commit is contained in:
Igor Kushnir 2021-06-29 11:59:16 +03:00
parent bc7fe1a3a8
commit f919685797
5 changed files with 61 additions and 30 deletions
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72
articleview.cc
View file

@ -183,6 +183,30 @@ static QVariant evaluateJavaScriptVariableSafe( QWebFrame * frame, const QString
.arg( variable ) );
}
namespace {
char const * const scrollToPrefix = "gdfrom-";
bool isScrollTo( QString const & id )
{
return id.startsWith( scrollToPrefix );
}
QString dictionaryIdFromScrollTo( QString const & scrollTo )
{
Q_ASSERT( isScrollTo( scrollTo ) );
const int scrollToPrefixLength = 7;
return scrollTo.mid( scrollToPrefixLength );
}
} // unnamed namespace
QString ArticleView::scrollToFromDictionaryId( QString const & dictionaryId )
{
Q_ASSERT( !isScrollTo( dictionaryId ) );
return scrollToPrefix + dictionaryId;
}
ArticleView::ArticleView( QWidget * parent, ArticleNetworkAccessManager & nm,
AudioPlayerPtr const & audioPlayer_,
std::vector< sptr< Dictionary::Class > > const & allDictionaries_,
@ -550,11 +574,14 @@ void ArticleView::loadFinished( bool )
}
}
else
if ( Qt4x5::Url::queryItemValue( url, "scrollto" ).startsWith( "gdfrom-" ) )
{
// There is no active article saved in history, but we have it as a parameter.
// setCurrentArticle will save it and scroll there.
setCurrentArticle( Qt4x5::Url::queryItemValue( url, "scrollto" ), true );
QString const scrollTo = Qt4x5::Url::queryItemValue( url, "scrollto" );
if( isScrollTo( scrollTo ) )
{
// There is no active article saved in history, but we have it as a parameter.
// setCurrentArticle will save it and scroll there.
setCurrentArticle( scrollTo, true );
}
}
@ -675,10 +702,10 @@ QStringList ArticleView::getArticlesList()
QString ArticleView::getActiveArticleId()
{
QString currentArticle = getCurrentArticle();
if ( !currentArticle.startsWith( "gdfrom-" ) )
if ( !isScrollTo( currentArticle ) )
return QString(); // Incorrect id
return currentArticle.mid( 7 );
return dictionaryIdFromScrollTo( currentArticle );
}
QString ArticleView::getCurrentArticle()
@ -693,7 +720,7 @@ QString ArticleView::getCurrentArticle()
void ArticleView::jumpToDictionary( QString const & id, bool force )
{
QString targetArticle = "gdfrom-" + id;
QString targetArticle = scrollToFromDictionaryId( id );
// jump only if neceessary, or when forced
if ( force || targetArticle != getCurrentArticle() )
@ -704,13 +731,14 @@ void ArticleView::jumpToDictionary( QString const & id, bool force )
void ArticleView::setCurrentArticle( QString const & id, bool moveToIt )
{
if ( !id.startsWith( "gdfrom-" ) )
if ( !isScrollTo( id ) )
return; // Incorrect id
if ( !ui.definition->isVisible() )
return; // No action on background page, scrollIntoView there don't work
if ( getArticlesList().contains( id.mid( 7 ) ) )
QString const dictionaryId = dictionaryIdFromScrollTo( id );
if ( getArticlesList().contains( dictionaryId ) )
{
if ( moveToIt )
ui.definition->page()->mainFrame()->evaluateJavaScript( QString( "document.getElementById('%1').scrollIntoView(true);" ).arg( id ) );
@ -721,7 +749,7 @@ void ArticleView::setCurrentArticle( QString const & id, bool moveToIt )
ui.definition->history()->currentItem().setUserData( userData );
ui.definition->page()->mainFrame()->evaluateJavaScript(
QString( "gdMakeArticleActive( '%1' );" ).arg( id.mid( 7 ) ) );
QString( "gdMakeArticleActive( '%1' );" ).arg( dictionaryId ) );
}
}
@ -737,7 +765,8 @@ bool ArticleView::isFramedArticle( QString const & ca )
return false;
return ui.definition->page()->mainFrame()->
evaluateJavaScript( QString( "!!document.getElementById('gdexpandframe-%1');" ).arg( ca.mid( 7 ) ) ).toBool();
evaluateJavaScript( QString( "!!document.getElementById('gdexpandframe-%1');" )
.arg( dictionaryIdFromScrollTo( ca ) ) ).toBool();
}
bool ArticleView::isExternalLink( QUrl const & url )
@ -765,8 +794,7 @@ void ArticleView::tryMangleWebsiteClickedUrl( QUrl & url, Contexts & contexts )
if ( result.type() == QVariant::String )
{
// Looks this way
contexts[ ca.mid( 7 ) ] = QString::fromLatin1( url.toEncoded() );
contexts[ dictionaryIdFromScrollTo( ca ) ] = QString::fromLatin1( url.toEncoded() );
QUrl target;
@ -798,7 +826,7 @@ void ArticleView::updateCurrentArticleFromCurrentFrame( QWebFrame * frame )
if ( frameName.startsWith( "gdexpandframe-" ) )
{
QString newCurrent = "gdfrom-" + frameName.mid( 14 );
QString newCurrent = scrollToFromDictionaryId( frameName.mid( 14 ) );
if ( getCurrentArticle() != newCurrent )
setCurrentArticle( newCurrent, false );
@ -1190,7 +1218,7 @@ void ArticleView::openLink( QUrl const & url, QUrl const & ref,
{
if( dictName.compare( QString::fromUtf8( allDictionaries[ i ]->getName().c_str() ) ) == 0 )
{
newScrollTo = QString( "gdfrom-" ) + QString::fromUtf8( allDictionaries[ i ]->getId().c_str() );
newScrollTo = scrollToFromDictionaryId( QString::fromUtf8( allDictionaries[ i ]->getId().c_str() ) );
break;
}
}
@ -2004,7 +2032,7 @@ void ArticleView::contextMenuRequested( QPoint const & pos )
QString id = tableOfContents[ result ];
if ( id.size() )
setCurrentArticle( "gdfrom-" + id, true );
setCurrentArticle( scrollToFromDictionaryId( id ), true );
}
}
#if 0
@ -2124,7 +2152,7 @@ void ArticleView::moveOneArticleUp()
{
QStringList lst = getArticlesList();
int idx = lst.indexOf( current.mid( 7 ) );
int idx = lst.indexOf( dictionaryIdFromScrollTo( current ) );
if ( idx != -1 )
{
@ -2133,7 +2161,7 @@ void ArticleView::moveOneArticleUp()
if ( idx < 0 )
idx = lst.size() - 1;
setCurrentArticle( "gdfrom-" + lst[ idx ], true );
setCurrentArticle( scrollToFromDictionaryId( lst[ idx ] ), true );
}
}
}
@ -2146,13 +2174,13 @@ void ArticleView::moveOneArticleDown()
{
QStringList lst = getArticlesList();
int idx = lst.indexOf( current.mid( 7 ) );
int idx = lst.indexOf( dictionaryIdFromScrollTo( current ) );
if ( idx != -1 )
{
idx = ( idx + 1 ) % lst.size();
setCurrentArticle( "gdfrom-" + lst[ idx ], true );
setCurrentArticle( scrollToFromDictionaryId( lst[ idx ] ), true );
}
}
}
@ -2230,10 +2258,10 @@ void ArticleView::on_highlightAllButton_clicked()
void ArticleView::onJsActiveArticleChanged(QString const & id)
{
if ( !id.startsWith( "gdfrom-" ) )
if ( !isScrollTo( id ) )
return; // Incorrect id
emit activeArticleChanged( this, id.mid( 7 ) );
emit activeArticleChanged( this, dictionaryIdFromScrollTo( id ) );
}
void ArticleView::doubleClicked( QPoint pos )

3
articleview.hh
View file

@ -90,6 +90,9 @@ public:
typedef QMap< QString, QString > Contexts;
/// Returns "gdfrom-" + dictionaryId.
static QString scrollToFromDictionaryId( QString const & dictionaryId );
/// Shows the definition of the given word with the given group.
/// scrollTo can be optionally set to a "gdfrom-xxxx" identifier to position
/// the page to that article on load.

10
mainwindow.cc
View file

@ -2330,7 +2330,7 @@ void MainWindow::translateInputFinished( bool checkModifiers )
}
void MainWindow::respondToTranslationRequest( Config::InputPhrase const & phrase,
bool checkModifiers, QString const & dictID )
bool checkModifiers, QString const & scrollTo )
{
if ( phrase.isValid() )
{
@ -2338,7 +2338,7 @@ void MainWindow::respondToTranslationRequest( Config::InputPhrase const & phrase
if ( checkModifiers && ( mods & (Qt::ControlModifier | Qt::ShiftModifier) ) )
addNewTab();
showTranslationFor( phrase, 0, dictID );
showTranslationFor( phrase, 0, scrollTo );
if ( cfg.preferences.searchInDock )
{
@ -2779,7 +2779,7 @@ void MainWindow::showHistoryItem( QString const & word )
void MainWindow::showTranslationFor( Config::InputPhrase const & phrase,
unsigned inGroup,
QString const & dictID )
QString const & scrollTo )
{
ArticleView *view = getCurrentArticleView();
@ -2789,7 +2789,7 @@ void MainWindow::showTranslationFor( Config::InputPhrase const & phrase,
( groupInstances.empty() ? 0 :
groupInstances[ groupList->currentIndex() ].id );
view->showDefinition( phrase, group, dictID );
view->showDefinition( phrase, group, scrollTo );
updatePronounceAvailability();
updateFoundInDictsList();
@ -3906,7 +3906,7 @@ void MainWindow::headwordReceived( const QString & word, const QString & ID )
toggleMainWindow( true );
setTranslateBoxTextAndClearSuffix( Folding::escapeWildcardSymbols( word ), NoPopupChange );
respondToTranslationRequest( Config::InputPhrase::fromPhrase( word ),
false, "gdfrom-" + ID );
false, ArticleView::scrollToFromDictionaryId( ID ) );
}
void MainWindow::updateFavoritesMenu()

4
mainwindow.hh
View file

@ -260,7 +260,7 @@ private:
QString unescapeTabHeader( QString const & header );
void respondToTranslationRequest( Config::InputPhrase const & phrase,
bool checkModifiers, QString const & dictID = QString() );
bool checkModifiers, QString const & scrollTo = QString() );
void updateSuggestionList();
void updateSuggestionList( QString const & text );
@ -406,7 +406,7 @@ private slots:
void mutedDictionariesChanged();
void showTranslationFor( Config::InputPhrase const &, unsigned inGroup = 0,
QString const & dictID = QString() );
QString const & scrollTo = QString() );
void showTranslationFor( QString const & );
void showTranslationFor( QString const &, QStringList const & dictIDs,

2
preferences.cc
View file

@ -109,7 +109,7 @@ Preferences::Preferences( QWidget * parent, Config::Class & cfg_ ):
for( QStringList::iterator i = availHelps.begin(); i != availHelps.end(); ++i )
{
QString loc = i->mid( 7, i->length() - 11 );
QString loc = i->mid( 7, i->length() - 11 ); // e.g. *i == "gdhelp_en.qch" => loc == "en"
QString lang = loc.mid( 0, 2 );
QString reg;
if(loc.length() >= 5 )