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#include "mandatorylineedit.h"
#include "errorcollector.h"

#include <QPalette>
#include <QDebug>

MandatoryLineEdit::MandatoryLineEdit(const QString &invalidValueText, QWidget *parent)
    : QLineEdit(parent),
      m_badValue(false),
      m_badValueText(invalidValueText)
{
    connect(this, SIGNAL(textChanged(QString)), SLOT(valueChanged(QString)));
}

void MandatoryLineEdit::validate(ErrorCollector *errors)
{
    QPalette pal;
    pal.setColor(QPalette::Text, Qt::red);

    if (text().isEmpty() || m_badValue) {
        setText(m_badValueText);
        setPalette(pal);
        m_badValue = true;
        errors->addMissingFieldError();
    }
}

bool MandatoryLineEdit::hasText() const
{
    return !text().isEmpty() && !m_badValue;
}

void MandatoryLineEdit::valueChanged(const QString &)
{
    setPalette(QPalette());
    m_badValue = false;
}

void MandatoryLineEdit::focusInEvent(QFocusEvent *event)
{
    if (m_badValue)
        clear();
    QLineEdit::focusInEvent(event);
}