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#include "qmdialogloadexternalteams.h"

//#include "ui_qmdialogloadexternalteams.h"

#include "QFile"

#include "QTextStream"

#include "mainwindow.h"

#include <QRegExp>

#include <QHBoxLayout>

#include <QVBoxLayout>

#include <QWidget>

#include <QHeaderView>

#include <QWebEngineHistory>

#include <QWebEngineHistoryItem>

#include <QWebEnginePage>

#include <QWebEngineView>

#include    "consts.h"

#include    "structs.h"

#include    "proto.h"

/*----------------------------------------------------------------------------

** FUNCTION           : QmDialogLoadExternalTeams

**

** DESCRIPTION        : Load team data from a CSV file

**

**

** INPUTS             : efile       - name of file

**                      parent      - parent widget

**

** RETURNS            :

**

----------------------------------------------------------------------------*/

QmDialogLoadExternalTeams::QmDialogLoadExternalTeams(const QString &efile,QWidget *parent) :

        QDialog(parent)

{

    //

    // Create Windows

    //

    createWindow();

    fileName->setText(efile);

    // Open the users file

    QFile file(efile);

    if ( ! file.open(QIODevice::ReadOnly | QIODevice::Text) )

    {

        MainWindow::showMessage("Cannot open external data file");

        return;

    }

    MainWindow::showMessage("Loading External Data");

    // Process Each line of the file

    QTextStream in(&file);

    QRegExp csv_split("\"?,\"?");

    while (!in.atEnd())

    {

        QString line = in.readLine();

        line = line.trimmed();             // Remove leading and training White Space

        line.remove(0xA0);                 // M$ special uglyness

        line.remove(0xC2);                 // M$ special uglyness

        bool has_RefError = hasRefError(line);

        QStringList parts = splitCsvData(line);

        insertParts( parts, has_RefError );

    }

    // Post Load fix up

    tableWidget->resizeColumnsToContents();

    reportErrors( bad_cat, bad_refs);

}

/*----------------------------------------------------------------------------

** FUNCTION           : QmDialogLoadExternalTeams

**

** DESCRIPTION        : Load team data from a Web Page

**

**

** INPUTS             : efile       - name of file (display only)

**                      data        - Address of the webpage data loaded in memory

**                      parent      - parent widget

**

** RETURNS            :

**

----------------------------------------------------------------------------*/

QmDialogLoadExternalTeams::QmDialogLoadExternalTeams(const QString &efile, QByteArray *data ,QWidget *parent) :

        QDialog(parent)

{

    // Create the basic Window

    createWindow();

    fileName->setText(efile);

    // Parse the data. It is an html file

    //

    MainWindow::showMessage("Parsing HTML");

    //qDebug("Data size: %d", data->length());

#if 0

    QWebPage page;

    QWebFrame * frame = page.mainFrame();

    frame->setContent(*data);

    /*

    **  Get the first table

    **      Get all rows

    **      Get all data items in each row

    */

    QWebElement document = frame->documentElement();

    QWebElement firstTable = document.findFirst("table");

    QWebElementCollection elements = firstTable.findAll("tr");

    foreach(QWebElement e, elements){

        //qDebug()<< "e element" <<e.tagName() << ":" << e.toPlainText();

        //qDebug("-----Row");

        bool has_RefError = hasRefError(e.toPlainText());

        QWebElementCollection td = e.findAll("td");

        QStringList parts;

        foreach(QWebElement e, td)

        {

            //qDebug()<< e.tagName() << ":" << e.toPlainText();

            parts.append(e.toPlainText());

        }

        insertParts( parts, has_RefError );

    }

    // Post Load fix up

    tableWidget->resizeColumnsToContents();

    reportErrors( bad_cat, bad_refs);

#endif

}

/*----------------------------------------------------------------------------

** FUNCTION           : createWindow

**

** DESCRIPTION        : Create the basic window

**                      Used in multiple places

**

**

** INPUTS             :

**

** RETURNS            :

**

----------------------------------------------------------------------------*/

void QmDialogLoadExternalTeams::createWindow(void)

{

    bad_cat = 0;

    bad_refs = 0;

    resize(550, 500);

    setSizeGripEnabled(true);

    setWindowTitle("Load External Team Data");

    QVBoxLayout *verticalLayout;

    verticalLayout = new QVBoxLayout(this);

    verticalLayout->setContentsMargins(0, 0, 0, 0);

    QVBoxLayout *verticalLayout2;

    verticalLayout2 = new QVBoxLayout();

    verticalLayout2->setContentsMargins(5, 5, 5, 5);

    QHBoxLayout *horizontalLayout;

    horizontalLayout = new QHBoxLayout();

    groupBox = new QGroupBox(this);

    groupBox->setTitle("Data");

    verticalLayout->addWidget(groupBox);

    groupBox->setLayout(verticalLayout2);

    tableWidget = new QTableWidget(groupBox);

    tableWidget->setSizePolicy(QSizePolicy::Expanding,QSizePolicy::Expanding);

    tableWidget->setGeometry(QRect(15, 21, 501, 421));

    tableWidget->setCornerButtonEnabled(false);

    tableWidget->verticalHeader()->setVisible(false);

    tableWidget->verticalHeader()->setDefaultSectionSize(20);

    tableWidget->verticalHeader()->setHighlightSections(true);

    verticalLayout2->addWidget(tableWidget);

    fileName = new QLineEdit(this);

    fileName->setObjectName(QString::fromUtf8("fileName"));

    fileName->setGeometry(QRect(20, 470, 331, 20));

    fileName->setReadOnly(true);

    horizontalLayout->addWidget(fileName);

    load = new QPushButton(this);

    load->setObjectName(QString::fromUtf8("load"));

    load->setGeometry(QRect(370, 470, 75, 23));

    load->setText("Load");

    horizontalLayout->addWidget(load);

    cancel = new QPushButton(this);

    cancel->setObjectName(QString::fromUtf8("cancel"));

    cancel->setGeometry(QRect(460, 470, 75, 23));

    cancel->setAutoDefault(false);

    cancel->setText("Cancel");

    horizontalLayout->addWidget(cancel);

    verticalLayout->addLayout(horizontalLayout);

    // Insert column headers

    tableWidget->setColumnCount(3 + ( 2 * config.num_legs) );

    QStringList labels;

    labels << "Team" << "Team Name" << "Cat";

    for (int ii = 1; ii <= config.num_legs; ii++ )

    {

        labels += QString("Leg:%1").arg(QString::number(ii));

        labels += QString("Age:%1").arg(QString::number(ii));

    }

    tableWidget->setHorizontalHeaderLabels(labels);

    // Connect up buttons

    connect (load, SIGNAL(clicked()), this, SLOT(loadData()));

    connect(cancel, SIGNAL(clicked()), this, SLOT(close()));

}

/*----------------------------------------------------------------------------

** FUNCTION           : insertParts

**

** DESCRIPTION        : Insert raw data into the display table

**

**

** INPUTS             : parts           - Ref to a list of parts

**                      has_RefError    - Data has Ref Error

**

** RETURNS            :

**

----------------------------------------------------------------------------*/

void QmDialogLoadExternalTeams::insertParts(QStringList &parts, bool has_RefError)

{

    QString first = parts.value(0);

    bool ok;

    if ( first.isEmpty() )

        return;

    int team = first.toInt(&ok);

    if ( ! ok || team <= 0 )

        return;

    int ii = tableWidget->rowCount();

    tableWidget->setRowCount(1 + ii );

    // Insert Team number

    QTableWidgetItem *item = new QTableWidgetItem(first);

    tableWidget->setItem(ii, 0, item );

    parts.removeFirst();

    if ( has_RefError )

    {

        item->setBackgroundColor(QColor(0,0,200,50));

        bad_refs++;

    }

    // Extract Team Name

    item = new QTableWidgetItem( parts.value(0) );

    tableWidget->setItem(ii, 1, item );

    if ( hasRefError(parts.value(0)) )

    {

        item->setBackgroundColor(QColor(0,0,200,50));

    }

    parts.removeFirst();

    // Extract Team Cat

    item = new QTableWidgetItem( parts.value(0)) ;

    tableWidget->setItem(ii, 2, item );

    if (config.lookup_class(qPrintable(parts.value(0)) ) <= 0 )

    {

        item->setBackgroundColor(QColor(200,0,0,50));

        bad_cat++;

    }

    if ( hasRefError(parts.value(0)) )

    {

        item->setBackgroundColor(QColor(0,0,200,50));

    }

    parts.removeFirst();

    int yy = 0;

    while ( parts.count() > 0)

    {

        // Name of competitor

        item = new QTableWidgetItem( parts.value(0));

        tableWidget->setItem(ii, 3+yy, item);

        if ( hasRefError(parts.value(0)) )

        {

            item->setBackgroundColor(QColor(0,0,200,50));

        }

        parts.removeFirst();

        // Not loading age at the moment

        // Reason: The CSV file is being create with a '0' for the NE teams

#if DO_AGE_LOAD

        // Posible age - if its a number

        int age = parts.value(0).toInt(&ok);

        if ( ok )

        {

            if ( age > 0 )

            {

                tableWidget->setItem(ii, 4+yy, new QTableWidgetItem( parts.value(0)));

            }

            parts.removeFirst();

        }

#endif

        yy += 2;

    }

}

/*----------------------------------------------------------------------------

** FUNCTION           : ~QmDialogLoadExternalTeams

**

** DESCRIPTION        : Class destructor

**

**

** INPUTS             :

**

** RETURNS            :

**

----------------------------------------------------------------------------*/

QmDialogLoadExternalTeams::~QmDialogLoadExternalTeams()

{

}

/*----------------------------------------------------------------------------

** FUNCTION           : loadData

**

** DESCRIPTION        : Store the data from the table into the database

**

**

** INPUTS             :

**

** RETURNS            :

**

----------------------------------------------------------------------------*/

void QmDialogLoadExternalTeams::loadData(void)

{

    qDebug ("LoadData");

    team_type team_buf;

    int bad_cat = 0;

    int bad_refs = 0;

    for ( int ii = 0; ii < tableWidget->rowCount(); ii++)

    {

        if ( tableWidget->isRowHidden(ii))

        {

            continue;

        }

        bool bad = false;

        QTableWidgetItem *item;

        item = tableWidget->item(ii,0);

        if (item)

        {

            int team = item->data(Qt::EditRole).toInt();

            if ( team > 0 && team <= config.max_team )

            {

                g_record( team, &team_buf );

                // Name

                item = tableWidget->item(ii,1);

                if (item)

                {

                    strncpy(team_buf.name , qPrintable(item->data(Qt::EditRole).toString()), sizeof(team_buf.name));

                }

                // Category

                item = tableWidget->item(ii,2);

                if (item)

                {

                    int category = config.lookup_class(qPrintable(item->data(Qt::EditRole).toString()) );

                    if (category)

                    {

                        team_buf.teamclass = category;

                    }

                    else

                    {

                        bad_cat++;

                        bad = true;

                    }

                }

                // Team member names and ages

                int member = 0;

                for (int yy = 3; yy < tableWidget->columnCount(); yy+= 2, member++)

                {

                    if (member > config.num_legs)

                    {

                        break;

                    }

                    item = tableWidget->item(ii,yy);

                    if (item)

                    {

                        strncpy(team_buf.members[member].name , qPrintable(item->data(Qt::EditRole).toString()), sizeof(team_buf.members[member].name));

                        if ( hasRefError(item->data(Qt::EditRole).toString()) )

                        {

                            bad = true;

                            bad_refs++;

                        }

                    }

                    item = tableWidget->item(ii,1+yy);

                    if (item)

                    {

                        int age = item->data(Qt::EditRole).toInt();

                        if (age)

                        {

                            team_buf.members[member].age = age;

                        }

                    }

                }

                team_buf.flags.valid = TRUE;

                put_team_record( team, &team_buf );

            }

            else

            {

                bad = true;

            }

        }

        else

        {

            bad = true;

        }

        if (!bad)

        {

            tableWidget->hideRow(ii);

        }

    }

    // Report errors

    reportErrors( bad_cat, bad_refs);

}

/*----------------------------------------------------------------------------

** FUNCTION           : reportErrors

**

** DESCRIPTION        : Report errors on the main window

**

**

** INPUTS             : bad_cat - count of category erors

**                      bad_refs - count of Reference errors

**

** RETURNS            :

**

----------------------------------------------------------------------------*/

void QmDialogLoadExternalTeams::reportErrors( int bad_cat, int bad_refs )

{

    if ( bad_cat && bad_refs )

    {

        MainWindow::showMessage("Invalid Categories in data and bad REFs");

    }

    else if (bad_cat)

    {

        MainWindow::showMessage("Invalid Categories in data");

    }

    else if (bad_refs)

    {

        MainWindow::showMessage("Imported data has bad REFs");

    }

}

/*========================================================================

 *

 *  Generate team name file

 *

 *  Purpose:

 *      This function is called to Generate team name file in the format

 *      that can be read by the load command

 *

 *      The file contains team number,Team name,Team class

 *      The operator is prompted to enter the name of the file

 *

 *  Parameters:

 *      None

 *

 *  Returns:

 *      Nothing

 *

 *========================================================================*/

void QmDialogLoadExternalTeams::storeData(const QString &efile)

{

    QFile file(efile);

    if ( ! file.open(QIODevice::WriteOnly | QIODevice::Truncate | QIODevice::Text) )

    {

        MainWindow::showMessage("Cannot open external data file");

        return;

    }

    QTextStream out(&file);

    // Print headings

    out << toCsv("Team Number");

    out << "," << toCsv("Team Name");

    out << "," <<  toCsv("Class Abr");

    for( int j = 1; j <= config.num_legs; j++ )

    {

        out << "," << toCsv("Competitor Name");

        out << "," << toCsv("Age");

    }

    out << endl;

    /*

     * Put the data into the file

     */

    team_type   team_buf;

    for(int i = config.min_team; i <= config.max_team; i++ )

    {

        if( valid_field( i ) && g_record( i, &team_buf ) )

        {

            /*

            **  Basic information

            **      - Team number

            **      - Full team name

            */

            out << toCsv(team_buf.numb);

            out << "," << toCsv(team_buf.name);

            out << "," << toCsv(team_buf.teamclass == 0 ? "" : config.team_class[team_buf.teamclass - 1].abr);

            for(int j = 1; j <= config.num_legs; j++ )

            {

                out << "," << toCsv(team_buf.members[j-1].name);

                out << "," << toCsv(team_buf.members[j-1].age);

            }

            out <<endl;

        }

    }

}

QStringList QmDialogLoadExternalTeams::splitCsvData( const QString str)

{

    QStringList results;

    const QChar *data = str.constData();

    while (!data->isNull())

    {

        QString result;

        bool quoted = false;

        /*

        **  Extract the next record

        */

        while ( TRUE )

        {

            QChar uch = *data;

            /*

            **  End of the field

            */

            if ( uch == '\n' || uch == '\r' || uch == 0 )

                break;

            data++;

            /*

            ** Ugly character from MS CSV files

            ** Not too sure what the 194 is. It looks like a 0xA0 in the raw data

            */

            if ( uch == (char) 0xA0 || uch == (char)194 )

            {

                continue;

            }

            if ( !quoted && uch == ',' )

            {

                break;

            }

            /*

            **  An unquoted " will start scanning for a matching quote

            */

            if ( !quoted && uch == '"' )

            {

                quoted = true;

                continue;

            }

            /*

            **  A quoted " may be an embedded quote or the end of a quote

            */

            if ( quoted && uch == '"' )

            {

                if ( *data != '"' )

                {

                    quoted = FALSE;

                    continue;

                }

                /*

                **  Skip one " and pick up the next

                */

                ++data;

            }

            /*

            **  Save this character

            */

            result += uch;

        }

        /*

        **  Clean up the extracted string

        */

        results += result.trimmed();

    }

    return results;

}

/*----------------------------------------------------------------------------

** FUNCTION           : hasRefError

**

** DESCRIPTION        : Determine if a string contains an Excel Reference

**                      error: #REF!

**

**

** INPUTS             : data - String to test

**

** RETURNS            : True: Is an error

**

----------------------------------------------------------------------------*/

bool QmDialogLoadExternalTeams::hasRefError( const QString data)

{

    return data.contains("#REF!");

}

/*========================================================================

 *

 *  Generate team name file

 *

 *  Purpose:

 *      This function is called to Generate team name file

 *

 *      The file contains team number,Team name,Team class

 *      The operator is prompted to enter the name of the file

 *

 *  Parameters:

 *      None

 *

 *  Returns:

 *      Nothing

 *

 *========================================================================*/

void QmDialogLoadExternalTeams::storeTeamInfo(const QString &efile)

{

    QFile file(efile);

    if ( ! file.open(QIODevice::WriteOnly | QIODevice::Truncate | QIODevice::Text) )

    {

        MainWindow::showMessage("Cannot open external team info file");

        return;

    }

    QTextStream out(&file);

    /*

     * Put the data into the file

     */

    team_type   team_buf;

    for(int i = config.min_team; i <= config.max_team; i++ )

    {

        if( valid_field( i ) && g_record( i, &team_buf ) )

        {

            /*

            **  Basic information

            **      - Team number

            **      - Full team name

            **      - Category

            */

            out.setFieldAlignment(QTextStream::AlignLeft);

            out.setFieldWidth(5);

            out << team_buf.numb;

            out.setFieldWidth(0);

            out << ",";

            out.setFieldWidth(MAX_TM_NAME+1);

            out << team_buf.name;

            out.setFieldWidth(0);

            out << ",";

            out << (team_buf.teamclass <= 0 ? "" : config.team_class[team_buf.teamclass - 1].abr);

            out <<endl;

        }

    }

}

QString QmDialogLoadExternalTeams::toCsv(const QString &str)

{

    QString result = QString(str);

    if ( result.contains("\"") || result.contains(",") )

    {

        result.replace("\"", "\"\"");

        result.prepend("\"");

        result.append("\"");

    }

    return result;

}

QString QmDialogLoadExternalTeams::toCsv(const int data)

{

    return QString::number(data);

}