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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2009 Brian McGillion
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** No Commercial Usage
**
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
**
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**************************************************************************/
#include "mercurialcommitwidget.h"
#include <texteditor/texteditorsettings.h>
#include <texteditor/fontsettings.h>
#include <texteditor/texteditorconstants.h>
#include <QtGui/QSyntaxHighlighter>
#include <QtGui/QTextEdit>
#include <QtCore/QDebug>
#include <QtCore/QRegExp>
//see the git submit widget for details of the syntax Highlighter
//TODO Check to see when the Highlighter has been moved to a base class and use that instead
namespace Mercurial {
namespace Internal {
// Retrieve the comment char format from the text editor.
static QTextCharFormat commentFormat()
{
const TextEditor::FontSettings settings = TextEditor::TextEditorSettings::instance()->fontSettings();
return settings.toTextCharFormat(QLatin1String(TextEditor::Constants::C_COMMENT));
}
// Highlighter for Mercurial submit messages. Make the first line bold, indicates
// comments as such (retrieving the format from the text editor) and marks up
// keywords (words in front of a colon as in 'Task: <bla>').
class MercurialSubmitHighlighter : QSyntaxHighlighter
{
public:
explicit MercurialSubmitHighlighter(QTextEdit *parent);
virtual void highlightBlock(const QString &text);
private:
enum State { Header, Comment, Other };
const QTextCharFormat m_commentFormat;
const QRegExp m_keywordPattern;
const QChar m_hashChar;
};
MercurialSubmitHighlighter::MercurialSubmitHighlighter(QTextEdit * parent) :
QSyntaxHighlighter(parent),
m_commentFormat(commentFormat()),
m_keywordPattern(QLatin1String("^\\w+:")),
m_hashChar(QLatin1Char('#'))
{
Q_ASSERT(m_keywordPattern.isValid());
}
void MercurialSubmitHighlighter::highlightBlock(const QString &text)
{
// figure out current state
State state = Other;
const QTextBlock block = currentBlock();
if (block.position() == 0) {
state = Header;
} else {
if (text.startsWith(m_hashChar))
state = Comment;
}
// Apply format.
switch (state) {
case Header: {
QTextCharFormat charFormat = format(0);
charFormat.setFontWeight(QFont::Bold);
setFormat(0, text.size(), charFormat);
}
break;
case Comment:
setFormat(0, text.size(), m_commentFormat);
break;
case Other:
// Format key words ("Task:") italic
if (m_keywordPattern.indexIn(text, 0, QRegExp::CaretAtZero) == 0) {
QTextCharFormat charFormat = format(0);
charFormat.setFontItalic(true);
setFormat(0, m_keywordPattern.matchedLength(), charFormat);
}
break;
}
}
MercurialCommitWidget::MercurialCommitWidget(QWidget *parent) :
Utils::SubmitEditorWidget(parent),
mercurialCommitPanel(new QWidget)
{
mercurialCommitPanelUi.setupUi(mercurialCommitPanel);
insertTopWidget(mercurialCommitPanel);
new MercurialSubmitHighlighter(descriptionEdit());
}
void MercurialCommitWidget::setFields(const QString &repositoryRoot, const QString &branch,
const QString &userName, const QString &email)
{
mercurialCommitPanelUi.repositoryLabel->setText(repositoryRoot);
mercurialCommitPanelUi.branchLabel->setText(branch);
mercurialCommitPanelUi.authorLineEdit->setText(userName);
mercurialCommitPanelUi.emailLineEdit->setText(email);
}
QString MercurialCommitWidget::committer()
{
const QString author = mercurialCommitPanelUi.authorLineEdit->text();
const QString email = mercurialCommitPanelUi.emailLineEdit->text();
if (author.isEmpty())
return QString();
QString user = author;
if (!email.isEmpty()) {
user += QLatin1String(" <");
user += email;
user += QLatin1Char('>');
}
return user;
}
QString MercurialCommitWidget::repoRoot()
{
return mercurialCommitPanelUi.repositoryLabel->text();
}
} // namespace Internal
} // namespace Mercurial
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