/*

  Copyright © 2015 Hasan Yavuz Özderya

  This file is part of serialplot.

  serialplot 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, either version 3 of the License, or

  (at your option) any later version.

  serialplot 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.

  You should have received a copy of the GNU General Public License

  along with serialplot.  If not, see <http://www.gnu.org/licenses/>.

*/

#include "commandwidget.h"

#include "ui_commandwidget.h"

#include <QRegExp>

#include <QRegExpValidator>

class HexCommandValidator : public QRegExpValidator

{

public:

    explicit HexCommandValidator(QObject* parent = 0);

    QValidator::State validate(QString & input, int & pos) const;

};

HexCommandValidator::HexCommandValidator(QObject* parent) :

    QRegExpValidator(parent)

{

    setRegExp(regExp);

}

QValidator::State HexCommandValidator::validate(QString & input, int & pos) const

{

    input = input.toUpper();

    // don't let pos to be altered at this stage

    int orgPos = pos;

    auto r = QRegExpValidator::validate(input, pos);

    pos = orgPos;

    // try fixing up spaces

    {

        input = input.replace(" ", "");

        if (pos == input.size()-1) pos = input.size();

        r = QRegExpValidator::validate(input, pos);

    }

    return r;

}

CommandWidget::CommandWidget(QWidget *parent) :

    QWidget(parent),

    ui(new Ui::CommandWidget)

{

    ui->setupUi(this);

    connect(ui->pbDelete, &QPushButton::clicked, this, &CommandWidget::onDeleteClicked);

    connect(ui->pbSend, &QPushButton::clicked, this, &CommandWidget::onSendClicked);

    connect(ui->pbASCII, &QPushButton::toggled, this, &CommandWidget::onASCIIToggled);

    hexValidator = new HexCommandValidator(this);

}

CommandWidget::~CommandWidget()

{

    delete ui;

    delete hexValidator;

}

void CommandWidget::onDeleteClicked()

{

    this->deleteLater();

}

void CommandWidget::onSendClicked()

{

    emit sendCommand(ui->leCommand->text(), ui->pbASCII->isChecked());

}

void CommandWidget::onASCIIToggled(bool checked)

{

    if (checked)

    {

        ui->leCommand->setValidator(0);

    }

    else

    {

        ui->leCommand->setValidator(hexValidator);

    }

}