slrwizardpage.h

Go to the documentation of this file.

/*
 * SyntaxTutor - Interactive Tutorial About Syntax Analyzers
 * Copyright (C) 2025 Jose R. (jose-rzm)
 *
 * 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, either version 3 of the License, or
 * (at your option) any later version.
 *
 * 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.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
 
#ifndef SLRWIZARDPAGE_H
#define SLRWIZARDPAGE_H
 
#include <QAbstractButton>
#include <QLabel>
#include <QLineEdit>
#include <QVBoxLayout>
#include <QWizard>
#include <QWizardPage>

class SLRWizardPage : public QWizardPage {
    Q_OBJECT
  public:
    SLRWizardPage(int state, const QString& symbol, const QString& explanation,
                  const QString& expected, QWidget* parent = nullptr)
        : QWizardPage(parent), m_state(state), m_symbol(symbol),
          m_expected(expected) {
        setTitle(tr("Estado %1, símbolo '%2'").arg(state).arg(symbol));
 
        QLabel* lbl = new QLabel(explanation, this);
        lbl->setWordWrap(true);
 
        m_edit = new QLineEdit(this);
        m_edit->setPlaceholderText(
            tr("Escribe tu respuesta (p.ej. s3, r2, acc, 5)"));
 
        QVBoxLayout* layout = new QVBoxLayout(this);
        layout->addWidget(lbl);
        layout->addWidget(m_edit);
        setLayout(layout);
 
        connect(m_edit, &QLineEdit::textChanged, this,
                &SLRWizardPage::onTextChanged);
    }
  private slots:
    void onTextChanged(const QString& text) {
        bool correct = (text.trimmed() == m_expected);
        setComplete(correct);
        if (correct) {
            setSubTitle(
                tr("✔ Respuesta correcta, pasa a la siguiente pregunta"));
        } else {
            setSubTitle(tr("✘ Incorrecto, revisa el enunciado. Consulta los "
                           "estados que has construido."));
        }
        wizard()->button(QWizard::NextButton)->setEnabled(correct);
    }
 
  private:
    void setComplete(bool complete) {
        m_isComplete = complete;
        emit completeChanged();
    }

    bool isComplete() const override { return m_isComplete; }
 
    int        m_state;    
    QString    m_symbol;   
    QString    m_expected; 
    QLineEdit* m_edit;     
    bool       m_isComplete =
        false; 
};
 
#endif // SLRWIZARDPAGE_H