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** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
** This file is part of the Qt Linguist of the Qt Toolkit.
** This file may be used under the terms of the GNU General Public
** License version 2.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of
** this file.  Please review the following information to ensure GNU
** General Public Licensing requirements will be met:
** http://www.trolltech.com/products/qt/opensource.html
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://www.trolltech.com/products/qt/licensing.html or contact the
** sales department at sales@trolltech.com.
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE


#include "metatranslator.h"
#include <QAbstractItemModel>
#include <QList>
#include <QHash>
#include <QtCore/QCoreApplication>
#include <QtCore/QLocale>

class ContextItem;
class QIODevice;

class MessageItem
    MessageItem(const MetaTranslatorMessage &message,
        const QString &text, const QString &comment, ContextItem *ctxtI);
    inline virtual ~MessageItem() {}

    inline virtual bool danger() const {return m_danger;}

    void setTranslation(const QString &translation);    
    void setFinished(bool finished);
    void setDanger(bool danger);

    inline void setContextItem(ContextItem *ctxtI) {cntxtItem = ctxtI;}
    inline ContextItem *contextItem() const {return cntxtItem;}

    inline QString context() const {return m.context();}
    inline QString sourceText() const {return tx;}
    inline QString comment() const {return com;}
    inline QString translation() const {return m.translation();}
    inline QStringList translations() const { return m.translations(); }
    inline void setTranslations(const QStringList &translations) { m.setTranslations(translations); }

    inline bool finished() const {return m.type() == MetaTranslatorMessage::Finished;}
    inline MetaTranslatorMessage message() const {return m;}
    bool compare(const QString &findText, bool matchSubstring, Qt::CaseSensitivity cs)
        bool found = false;
        QString searchText = tx;
        if (matchSubstring) {
            if (searchText.indexOf(findText,0, cs) >= 0) {
                found = true;
        } else {
            if (cs == Qt::CaseInsensitive) {
                if (findText.toLower() == searchText.toLower()) {
                    found = true;
            } else {
                if ( findText == searchText ) {
                    found = true;
        return found;

    MetaTranslatorMessage m;
    QString tx;
    QString com;
    bool m_danger;
    ContextItem *cntxtItem;

class MessageModel;

typedef QList<MetaTranslatorMessage> TML;

class ContextItem
    ContextItem(QString c, MessageModel *model);

    inline bool danger() const {return dangerCount > 0;}

    void appendToComment(const QString& x);
    void incrementFinishedCount();
    void decrementFinishedCount();
    inline void incrementDangerCount() {++dangerCount;}
    inline void decrementDangerCount() {--dangerCount;}
    inline void incrementObsoleteCount() {++obsoleteCount;}
    inline bool isContextObsolete() const {return (obsoleteCount == msgItemList.count());}

    inline int finishedCount() const {
        return m_finishedCount;
    inline int unFinishedCount() const {
        return msgItemList.count() - m_finishedCount - obsoleteCount;
    inline int obsolete() const {return obsoleteCount;}

    inline QString context() const {return ctxt;}
    inline QString comment() const {return com;}
    inline QString fullContext() const {return com.trimmed();}
    inline bool isFinished() const {return unFinishedCount() == 0;}

    MessageItem *messageItem(int i);
    inline const QList<MessageItem *> messageItemList() const {return msgItemList;}
    inline void appendMessageItem(MessageItem *msgItem) {msgItemList.append(msgItem);}
    inline int messageItemsInList() const {return msgItemList.count();}

    static bool compare(const MessageItem *left, const MessageItem *right);
    void sortMessages(int column, Qt::SortOrder order);
    bool sortParameters(Qt::SortOrder &so, int &sc) const;

    MessageModel *model() {return m_model; }

    Qt::SortOrder sortOrder;
    int sortColumn;
    QString com;
    QString ctxt;
    int m_finishedCount;
    int dangerCount;
    int obsoleteCount;
    QList<MessageItem *> msgItemList;
    MessageModel *m_model;

class ContextList : public QList<ContextItem *> {
    MessageItem *messageItem(int context, int message) const;
    ContextItem *contextItem(int context) const;

    bool isModified();
    void setModified(bool isModified) 
        m_modified = isModified;
    bool m_modified;

class MessageModel : public QAbstractItemModel
    MessageModel(QObject *parent = 0);

    class iterator
        iterator(MessageModel *model, int contextNo = 0, int itemNo = -1);
        iterator(ContextList *contextlist, int contextNo = 0, int itemNo = -1);
        iterator(const iterator& other);
        MessageItem *current() const;
        MessageItem *operator*() const;

        iterator &operator=(const iterator& other);
        bool operator==(const iterator& other) const
            return (other.m_contextList == m_contextList && other.m_contextNo == m_contextNo && other.m_itemNo == m_itemNo);

        bool operator!=(const iterator& other) const
            return !(*this==other);
        iterator &operator++();
        void reset();
        int contextNo() const { return m_contextNo; }
        int messageNo() const { return m_itemNo; }
        iterator() {}
        ContextList *m_contextList;
        int m_contextNo;
        int m_itemNo;
    iterator begin()
        return Iterator(0, 0);

    iterator end()
        // both contextNo and itemNo points to the item behind the last item for end()
        // remember to make sure that begin() == end() for an empty model
        return Iterator(cntxtList.count(), cntxtList.count() ? cntxtList.last()->messageItemsInList() : 0);

    iterator Iterator(int contextNo = 0, int itemNo = 0)
        return iterator(&cntxtList, contextNo, itemNo);

    enum {SourceText = 0x1, Translations = 0x2, Comments = 0x4};

    // from QAbstractItemModel
    void sort(int column, Qt::SortOrder order = Qt::AscendingOrder);

    // model index functions
    QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const;
    QModelIndex parent(const QModelIndex& index) const;
    int rowCount(const QModelIndex &parent = QModelIndex()) const;
    int columnCount(const QModelIndex &parent = QModelIndex()) const;
    QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;
    QVariant headerData(int section, Qt::Orientation orientation,
                        int role = Qt::DisplayRole) const;

    // Specializations
    inline const QList<ContextItem *> contextList() const {return cntxtList;}
    inline void appendContextItem(ContextItem *cntxtItem) {cntxtList.append(cntxtItem);}
    inline int contextsInList() const {return cntxtList.count();}
    bool findMessage(int *contextNo, int *itemNo, const QString &findItem, int where, 
        bool matchSubstring, Qt::CaseSensitivity cs = Qt::CaseSensitive);

    ContextItem *createContextItem(const QString &c)
        return new ContextItem(c, this);
    bool finished(const QModelIndex &index);
    void updateItem(QModelIndex indx);
    void updateAll();
    void clearContextList();

    static bool compare(const ContextItem *left, const ContextItem *right);
    bool sortParameters(Qt::SortOrder &so, int &sc) const;

    ContextItem *contextItem(const QModelIndex &indx) const;
    MessageItem *messageItem(const QModelIndex &indx) const;

    ContextItem *contextItem(int context) const;
    MessageItem *messageItem(int context, int message) const;

    QModelIndex modelIndex(int context, int message, int column = 0);
    void setTranslation(const iterator &it, const QString &translation);

    int getMessageCount() const 
        return m_numMessages;

    bool isEmpty() const
        return m_numMessages == 0;

    bool isModified() 
        return cntxtList.isModified();

    void setModified(bool dirty)

    bool load(const QString &fileName);
    bool save(const QString &fileName);
    bool release(const QString& fileName, 
                    bool verbose = false, bool ignoreUnfinished = false,
                    Translator::SaveMode mode = Translator::Stripped );
    bool release(QIODevice *iod, 
                    bool verbose = false, bool ignoreUnfinished = false,
                    Translator::SaveMode mode = Translator::Stripped );
    QTranslator *translator();
    MessageItem *findMessage(const char *context, const char *sourcetext, const char *comment = 0) const;

    QLocale::Language language() const;
    void setLanguage(QLocale::Language lang);
    QLocale::Country country() const;
    void setCountry(QLocale::Country country);

    QStringList normalizedTranslations(const MessageItem &m) const;
    void doCharCounting(const QString& text, int& trW, int& trC, int& trCS);
    void updateStatistics();

    int getNumFinished() { return m_numFinished; }
    int getNumNonobsolete() { return m_numNonobsolete; }
    int getSrcWords() { return m_srcWords; }
    int getSrcChars() { return m_srcChars; }
    int getSrcCharsSpc() { return m_srcCharsSpc; }

    void incrementFinishedCount()

    void decrementFinishedCount()
        if (m_numFinished > 0)

    void statsChanged(int words, int characters, int cs, int words2, int characters2, int cs2);
    void progressChanged(int finishedCount, int oldFinishedCount);
    void languageChanged(QLocale::Language lang);

    Qt::SortOrder sortOrder;
    int sortColumn;

    QTranslator *m_translator;
    ContextList cntxtList;

    int m_numFinished;
    int m_numNonobsolete;
    int m_numMessages;

    // For statistics
    int m_srcWords;
    int m_srcChars;
    int m_srcCharsSpc;

    QLocale::Language m_language;
    QLocale::Country m_country;

    friend class iterator;


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