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/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
** the names of its contributors may be used to endorse or promote
** products derived from this software without specific prior written
** permission.
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtGui>
#include "regexpdialog.h"
RegExpDialog::RegExpDialog(QWidget *parent)
: QDialog(parent)
{
patternComboBox = new QComboBox;
patternComboBox->setEditable(true);
patternComboBox->setSizePolicy(QSizePolicy::Expanding,
QSizePolicy::Preferred);
patternLabel = new QLabel(tr("&Pattern:"));
patternLabel->setBuddy(patternComboBox);
escapedPatternLineEdit = new QLineEdit;
escapedPatternLineEdit->setReadOnly(true);
QPalette palette = escapedPatternLineEdit->palette();
palette.setBrush(QPalette::Base,
palette.brush(QPalette::Disabled, QPalette::Base));
escapedPatternLineEdit->setPalette(palette);
escapedPatternLabel = new QLabel(tr("&Escaped Pattern:"));
escapedPatternLabel->setBuddy(escapedPatternLineEdit);
syntaxComboBox = new QComboBox;
syntaxComboBox->addItem(tr("Regular expression v1"), QRegExp::RegExp);
syntaxComboBox->addItem(tr("Regular expression v2"), QRegExp::RegExp2);
syntaxComboBox->addItem(tr("Wildcard"), QRegExp::Wildcard);
syntaxComboBox->addItem(tr("Fixed string"), QRegExp::FixedString);
syntaxComboBox->addItem(tr("W3C Xml Schema 1.1"), QRegExp::W3CXmlSchema11);
syntaxLabel = new QLabel(tr("&Pattern Syntax:"));
syntaxLabel->setBuddy(syntaxComboBox);
textComboBox = new QComboBox;
textComboBox->setEditable(true);
textComboBox->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred);
textLabel = new QLabel(tr("&Text:"));
textLabel->setBuddy(textComboBox);
caseSensitiveCheckBox = new QCheckBox(tr("Case &Sensitive"));
caseSensitiveCheckBox->setChecked(true);
minimalCheckBox = new QCheckBox(tr("&Minimal"));
indexLabel = new QLabel(tr("Index of Match:"));
indexEdit = new QLineEdit;
indexEdit->setReadOnly(true);
matchedLengthLabel = new QLabel(tr("Matched Length:"));
matchedLengthEdit = new QLineEdit;
matchedLengthEdit->setReadOnly(true);
for (int i = 0; i < MaxCaptures; ++i) {
captureLabels[i] = new QLabel(tr("Capture %1:").arg(i));
captureEdits[i] = new QLineEdit;
captureEdits[i]->setReadOnly(true);
}
captureLabels[0]->setText(tr("Match:"));
QHBoxLayout *checkBoxLayout = new QHBoxLayout;
checkBoxLayout->addWidget(caseSensitiveCheckBox);
checkBoxLayout->addWidget(minimalCheckBox);
checkBoxLayout->addStretch(1);
QGridLayout *mainLayout = new QGridLayout;
mainLayout->addWidget(patternLabel, 0, 0);
mainLayout->addWidget(patternComboBox, 0, 1);
mainLayout->addWidget(escapedPatternLabel, 1, 0);
mainLayout->addWidget(escapedPatternLineEdit, 1, 1);
mainLayout->addWidget(syntaxLabel, 2, 0);
mainLayout->addWidget(syntaxComboBox, 2, 1);
mainLayout->addLayout(checkBoxLayout, 3, 0, 1, 2);
mainLayout->addWidget(textLabel, 4, 0);
mainLayout->addWidget(textComboBox, 4, 1);
mainLayout->addWidget(indexLabel, 5, 0);
mainLayout->addWidget(indexEdit, 5, 1);
mainLayout->addWidget(matchedLengthLabel, 6, 0);
mainLayout->addWidget(matchedLengthEdit, 6, 1);
for (int j = 0; j < MaxCaptures; ++j) {
mainLayout->addWidget(captureLabels[j], 7 + j, 0);
mainLayout->addWidget(captureEdits[j], 7 + j, 1);
}
setLayout(mainLayout);
connect(patternComboBox, SIGNAL(editTextChanged(QString)),
this, SLOT(refresh()));
connect(textComboBox, SIGNAL(editTextChanged(QString)),
this, SLOT(refresh()));
connect(caseSensitiveCheckBox, SIGNAL(toggled(bool)),
this, SLOT(refresh()));
connect(minimalCheckBox, SIGNAL(toggled(bool)), this, SLOT(refresh()));
connect(syntaxComboBox, SIGNAL(currentIndexChanged(int)),
this, SLOT(refresh()));
patternComboBox->addItem(tr("[A-Za-z_]+([A-Za-z_0-9]*)"));
textComboBox->addItem(tr("(10 + delta4) * 32"));
setWindowTitle(tr("RegExp"));
setFixedHeight(sizeHint().height());
refresh();
}
void RegExpDialog::refresh()
{
setUpdatesEnabled(false);
QString pattern = patternComboBox->currentText();
QString text = textComboBox->currentText();
QString escaped = pattern;
escaped.replace("\\", "\\\\");
escaped.replace("\"", "\\\"");
escaped.prepend("\"");
escaped.append("\"");
escapedPatternLineEdit->setText(escaped);
QRegExp rx(pattern);
Qt::CaseSensitivity cs = Qt::CaseInsensitive;
if (caseSensitiveCheckBox->isChecked())
cs = Qt::CaseSensitive;
rx.setCaseSensitivity(cs);
rx.setMinimal(minimalCheckBox->isChecked());
QRegExp::PatternSyntax syntax = QRegExp::PatternSyntax(
syntaxComboBox->itemData(syntaxComboBox->currentIndex()).toInt());
rx.setPatternSyntax(syntax);
QPalette palette = patternComboBox->palette();
if (rx.isValid()) {
palette.setColor(QPalette::Text,
textComboBox->palette().color(QPalette::Text));
} else {
palette.setColor(QPalette::Text, Qt::red);
}
patternComboBox->setPalette(palette);
indexEdit->setText(QString::number(rx.indexIn(text)));
matchedLengthEdit->setText(QString::number(rx.matchedLength()));
for (int i = 0; i < MaxCaptures; ++i) {
captureLabels[i]->setEnabled(i <= rx.captureCount());
captureEdits[i]->setEnabled(i <= rx.captureCount());
captureEdits[i]->setText(rx.cap(i));
}
setUpdatesEnabled(true);
}
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