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/**
******************************************************************************
*
* @file classnamevalidatinglineedit.cpp
* @author The OpenPilot Team, http://www.openpilot.org Copyright (C) 2010.
* Parts by Nokia Corporation (qt-info@nokia.com) Copyright (C) 2009.
* @brief
* @see The GNU Public License (GPL) Version 3
* @defgroup
* @{
*
*****************************************************************************/
/*
* 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, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "classnamevalidatinglineedit.h"
#include <utils/qtcassert.h>
#include <QtCore/QDebug>
#include <QtCore/QRegExp>
namespace Utils {
struct ClassNameValidatingLineEditPrivate {
ClassNameValidatingLineEditPrivate();
const QRegExp m_nameRegexp;
const QString m_namespaceDelimiter;
bool m_namespacesEnabled;
bool m_lowerCaseFileName;
};
// Match something like "Namespace1::Namespace2::ClassName".
ClassNameValidatingLineEditPrivate:: ClassNameValidatingLineEditPrivate() :
m_nameRegexp(QLatin1String("[a-zA-Z_][a-zA-Z0-9_]*(::[a-zA-Z_][a-zA-Z0-9_]*)*")),
m_namespaceDelimiter(QLatin1String("::")),
m_namespacesEnabled(false),
m_lowerCaseFileName(true)
{
QTC_ASSERT(m_nameRegexp.isValid(), return);
}
// --------------------- ClassNameValidatingLineEdit
ClassNameValidatingLineEdit::ClassNameValidatingLineEdit(QWidget *parent) :
Utils::BaseValidatingLineEdit(parent),
m_d(new ClassNameValidatingLineEditPrivate)
{
}
ClassNameValidatingLineEdit::~ClassNameValidatingLineEdit()
{
delete m_d;
}
bool ClassNameValidatingLineEdit::namespacesEnabled() const
{
return m_d->m_namespacesEnabled;
}
void ClassNameValidatingLineEdit::setNamespacesEnabled(bool b)
{
m_d->m_namespacesEnabled = b;
}
bool ClassNameValidatingLineEdit::validate(const QString &value, QString *errorMessage) const
{
if (!m_d->m_namespacesEnabled && value.contains(QLatin1Char(':'))) {
if (errorMessage)
*errorMessage = tr("The class name must not contain namespace delimiters.");
return false;
} else if (value.isEmpty()) {
if (errorMessage)
*errorMessage = tr("Please enter a class name.");
return false;
} else if (!m_d->m_nameRegexp.exactMatch(value)) {
if (errorMessage)
*errorMessage = tr("The class name contains invalid characters.");
return false;
}
return true;
}
void ClassNameValidatingLineEdit::slotChanged(const QString &t)
{
Utils::BaseValidatingLineEdit::slotChanged(t);
if (isValid()) {
// Suggest file names, strip namespaces
QString fileName = m_d->m_lowerCaseFileName ? t.toLower() : t;
if (m_d->m_namespacesEnabled) {
const int namespaceIndex = fileName.lastIndexOf(m_d->m_namespaceDelimiter);
if (namespaceIndex != -1)
fileName.remove(0, namespaceIndex + m_d->m_namespaceDelimiter.size());
}
emit updateFileName(fileName);
}
}
QString ClassNameValidatingLineEdit::createClassName(const QString &name)
{
// Remove spaces and convert the adjacent characters to uppercase
QString className = name;
QRegExp spaceMatcher(QLatin1String(" +(\\w)"), Qt::CaseSensitive, QRegExp::RegExp2);
QTC_ASSERT(spaceMatcher.isValid(), /**/);
int pos;
while ((pos = spaceMatcher.indexIn(className)) != -1) {
className.replace(pos, spaceMatcher.matchedLength(),
spaceMatcher.cap(1).toUpper());
}
// Filter out any remaining invalid characters
className.remove(QRegExp(QLatin1String("[^a-zA-Z0-9_]")));
// If the first character is numeric, prefix the name with a "_"
if (className.at(0).isNumber()) {
className.prepend(QLatin1Char('_'));
} else {
// Convert the first character to uppercase
className.replace(0, 1, className.left(1).toUpper());
}
return className;
}
bool ClassNameValidatingLineEdit::lowerCaseFileName() const
{
return m_d->m_lowerCaseFileName;
}
void ClassNameValidatingLineEdit::setLowerCaseFileName(bool v)
{
m_d->m_lowerCaseFileName = v;
}
} // namespace Utils