qfilenameedit.cpp

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/*
    Copyright 2006-2019 The QElectroTech Team
    This file is part of QElectroTech.
    
    QElectroTech 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 2 of the License, or
    (at your option) any later version.
    
    QElectroTech 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 QElectroTech.  If not, see <http://www.gnu.org/licenses/>.
*/
#include "qfilenameedit.h"
#include  "qetregexpvalidator.h"
#include <QKeyEvent>
#include <QRegExp>
#include <QToolTip>

QFileNameEdit::QFileNameEdit(QWidget *parent) : QLineEdit(parent) {
    init();
}

QFileNameEdit::QFileNameEdit(const QString &contents, QWidget *parent) : QLineEdit(parent) {
    init();
    if (!contents.isEmpty() && regexp_.exactMatch(contents)) {
        setText(contents);
    }
}

QFileNameEdit::~QFileNameEdit() {
}

bool QFileNameEdit::isEmpty() {
    return(text().isEmpty());
}

bool QFileNameEdit::isValid() {
    return(regexp_.exactMatch(text()));
}

void QFileNameEdit::init() {
    regexp_ = QRegExp("^[0-9a-z_\\-\\.]+$", Qt::CaseSensitive);
    validator_ = new QETRegExpValidator(regexp_, this);
    setValidator(validator_);
    tooltip_text_ = QString(
        tr(
            "Les caractères autorisés sont : \n"
            " - les chiffres [0-9]\n"
            " - les minuscules [a-z]\n"
            " - le tiret [-], l'underscore [_] et le point [.]\n",
            "tooltip content when editing a filename"
        )
    );
    connect(validator_, SIGNAL(validationFailed()), this, SLOT(validationFailed()));
}

void QFileNameEdit::displayToolTip() {
    QToolTip::showText(
        mapToGlobal(QPoint(x() + width(), 0)),
        tooltip_text_,
        this,
        QRect()
    );
}

void QFileNameEdit::validationFailed() {
    displayToolTip();
}