File: ccTranslationManager.cpp

package info (click to toggle)
cloudcompare 2.10.1-2
  • links: PTS
  • area: main
  • in suites: buster
  • size: 55,916 kB
  • sloc: cpp: 219,837; ansic: 29,944; makefile: 67; sh: 45
file content (181 lines) | stat: -rw-r--r-- 5,057 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
//##########################################################################
//#                                                                        #
//#                              CLOUDCOMPARE                              #
//#                                                                        #
//#  This program is free software; you can redistribute it and/or modify  #
//#  it under the terms of the GNU General Public License as published by  #
//#  the Free Software Foundation; version 2 or later of the License.      #
//#                                                                        #
//#  This program is distributed in the hope that it will be useful,       #
//#  but WITHOUT ANY WARRANTY; without even the implied warranty of        #
//#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the          #
//#  GNU General Public License for more details.                          #
//#                                                                        #
//#          COPYRIGHT: CloudCompare project                               #
//#                                                                        #
//##########################################################################

#include <QDebug>
#include <QDir>
#include <QGlobalStatic>
#include <QMessageBox>
#include <QRegularExpression>
#include <QSettings>
#include <QTranslator>

#include "ccApplicationBase.h"
#include "ccTranslationManager.h"


class _ccTranslationManager : public ccTranslationManager {};	// trick for Q_GLOBAL_STATIC to access constructor
Q_GLOBAL_STATIC( _ccTranslationManager, sTranslationmanager )


ccTranslationManager &ccTranslationManager::get()
{
	return *sTranslationmanager;
}

void ccTranslationManager::registerTranslatorFile( const QString &prefix, const QString &path )
{
	mTranslatorFileInfo.append( { prefix, path } );
}

void ccTranslationManager::loadTranslations()
{
	const QLocale	locale( languagePref() );
	
	const auto	&info = mTranslatorFileInfo;
	
	for ( const auto &fileInfo : info )
	{
		auto translator = new QTranslator( ccApp );
	 
		bool loaded = translator->load( locale, fileInfo.prefix, QStringLiteral( "_" ), fileInfo.path );
	 
		if ( loaded )
		{ 
		   ccApp->installTranslator( translator );
		}
		else
		{
			delete translator;
		}
	}
}

void ccTranslationManager::populateMenu( QMenu *menu, const QString &pathToTranslationFiles )
{
	const LanguageList	cList = availableLanguages( QStringLiteral( "CloudCompare" ), pathToTranslationFiles );
	
	QActionGroup	*group = new QActionGroup( menu );
	
	group->setExclusive( true );
	
	QAction	*action = group->addAction( tr( "No Translation (English)" ) );
	
	action->setCheckable( true );
	action->setChecked( true );
	
	connect( action, &QAction::triggered, this, [this] ()
	{
		setLanguagePref( QStringLiteral( "en" ) );
	} );
	
	QAction	*separator = new QAction( group );
	separator->setSeparator( true );
	
	const QString	currentLanguage = languagePref();
	
	for ( auto &langInfo : cList )
	{
		action = group->addAction( langInfo.second );
	
		action->setCheckable( true );
		
		if ( currentLanguage == langInfo.first )
		{
			action->setChecked( true );
		}
		
		connect( action, &QAction::triggered, this, [=] ()
		{
			setLanguagePref( langInfo.first );
		} );
	}
	
	menu->addActions( group->actions() );
}

const QString ccTranslationManager::languagePref()
{
	QSettings settings;
	
	settings.beginGroup( "Translation" );
	
	const QString	langCode = settings.value( QStringLiteral( "Language" ) ).toString();
	
	settings.endGroup();
	
	return langCode;
}

ccTranslationManager::LanguageList ccTranslationManager::availableLanguages( const QString &appName, const QString &pathToTranslationFiles )
{
	LanguageList theList;

	QDir dir( pathToTranslationFiles );

	const QString     cFilter = QStringLiteral( "%1_*.qm" ).arg( appName );
	const QStringList cFileNames = dir.entryList( { cFilter } );

	QRegularExpression   regExp( QStringLiteral( "%1_(?<langCode>.{2}).*.qm" ).arg( appName ) );

	regExp.optimize();

	for ( const auto &cFileName : cFileNames )
	{
	   QRegularExpressionMatch match = regExp.match( cFileName );

	   if ( !match.hasMatch() )
	   {
		  continue;
	   }

	   const QString  cLangCode( match.captured( QStringLiteral( "langCode" ) ) );

	   QString  language( QLocale( cLangCode ).nativeLanguageName() );

	   if ( language.isEmpty() )
	   {
		  qWarning() << "Language not found for translation file" << cFileName;
		  continue;
	   }

	   language = language.at( 0 ).toUpper() + language.mid( 1 );

	   theList += { cLangCode, language };
	}

	return theList;
}

void ccTranslationManager::setLanguagePref( const QString &languageCode )
{
	if ( languageCode == languagePref() )
	{
		return;
	}
	
	QSettings settings;
	
	settings.beginGroup( "Translation" );
	
	settings.setValue( QStringLiteral( "Language" ), languageCode );
	
	settings.endGroup();
	
	QMessageBox::information( nullptr, 
							  tr( "Language Change" ),
							  tr( "Language change will take effect when CloudCompare is restarted" ) );
}