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/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://www.qt.io/licensing. For further information
** use the contact form at http://www.qt.io/contact-us.
**
** 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 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/
#include "formwindowfile.h"
#include "designerconstants.h"
#include <utils/qtcassert.h>
#include <QApplication>
#include <QDesignerFormWindowInterface>
#include <QDesignerFormWindowManagerInterface>
#include <QDesignerFormEditorInterface>
#if QT_VERSION < 0x050000
# include "qt_private/qsimpleresource_p.h"
# include "qt_private/formwindowbase_p.h"
#endif
#include <QTextDocument>
#include <QUndoStack>
#include <QFileInfo>
#include <QDebug>
#include <QTextCodec>
namespace Designer {
namespace Internal {
FormWindowFile::FormWindowFile(QDesignerFormWindowInterface *form, QObject *parent)
: m_shouldAutoSave(false),
m_formWindow(form),
m_isModified(false)
{
setMimeType(QLatin1String(Designer::Constants::FORM_MIMETYPE));
setParent(parent);
setId(Core::Id(Designer::Constants::K_DESIGNER_XML_EDITOR_ID));
// Designer needs UTF-8 regardless of settings.
setCodec(QTextCodec::codecForName("UTF-8"));
connect(m_formWindow->core()->formWindowManager(), SIGNAL(formWindowRemoved(QDesignerFormWindowInterface*)),
this, SLOT(slotFormWindowRemoved(QDesignerFormWindowInterface*)));
connect(m_formWindow->commandHistory(), SIGNAL(indexChanged(int)),
this, SLOT(setShouldAutoSave()));
connect(m_formWindow, SIGNAL(changed()), SLOT(updateIsModified()));
}
bool FormWindowFile::save(QString *errorString, const QString &name, bool autoSave)
{
const QString actualName = name.isEmpty() ? filePath() : name;
if (Designer::Constants::Internal::debug)
qDebug() << Q_FUNC_INFO << name << "->" << actualName;
QTC_ASSERT(m_formWindow, return false);
if (actualName.isEmpty())
return false;
const QFileInfo fi(actualName);
const QString oldFormName = m_formWindow->fileName();
if (!autoSave)
m_formWindow->setFileName(fi.absoluteFilePath());
#if QT_VERSION >= 0x050000
const bool writeOK = writeFile(actualName, errorString);
#else
const bool warningsEnabled = qdesigner_internal::QSimpleResource::setWarningsEnabled(false);
const bool writeOK = writeFile(actualName, errorString);
qdesigner_internal::QSimpleResource::setWarningsEnabled(warningsEnabled);
#endif
m_shouldAutoSave = false;
if (autoSave)
return writeOK;
if (!writeOK) {
m_formWindow->setFileName(oldFormName);
return false;
}
m_formWindow->setDirty(false);
setFilePath(fi.absoluteFilePath());
emit changed();
return true;
}
bool FormWindowFile::setContents(const QByteArray &contents)
{
if (Designer::Constants::Internal::debug)
qDebug() << Q_FUNC_INFO << contents.size();
document()->setPlainText(QString());
QTC_ASSERT(m_formWindow, return false);
if (contents.isEmpty())
return false;
// If we have an override cursor, reset it over Designer loading,
// should it pop up messages about missing resources or such.
const bool hasOverrideCursor = QApplication::overrideCursor();
QCursor overrideCursor;
if (hasOverrideCursor) {
overrideCursor = QCursor(*QApplication::overrideCursor());
QApplication::restoreOverrideCursor();
}
#if QT_VERSION >= 0x050000
const bool success = m_formWindow->setContents(QString::fromUtf8(contents));
#else
m_formWindow->setContents(QString::fromUtf8(contents));
const bool success = m_formWindow->mainContainer() != 0;
#endif
if (hasOverrideCursor)
QApplication::setOverrideCursor(overrideCursor);
if (!success)
return false;
syncXmlFromFormWindow();
setShouldAutoSave(false);
return true;
}
void FormWindowFile::setFilePath(const QString &newName)
{
m_formWindow->setFileName(newName);
IDocument::setFilePath(newName);
}
void FormWindowFile::updateIsModified()
{
bool value = m_formWindow && m_formWindow->isDirty();
if (value == m_isModified)
return;
m_isModified = value;
emit changed();
}
bool FormWindowFile::shouldAutoSave() const
{
return m_shouldAutoSave;
}
bool FormWindowFile::isModified() const
{
return m_formWindow && m_formWindow->isDirty();
}
bool FormWindowFile::isSaveAsAllowed() const
{
return true;
}
bool FormWindowFile::reload(QString *errorString, ReloadFlag flag, ChangeType type)
{
if (flag == FlagIgnore)
return true;
if (type == TypePermissions) {
emit changed();
} else {
emit aboutToReload();
emit reloadRequested(errorString, filePath());
const bool success = errorString->isEmpty();
emit reloadFinished(success);
return success;
}
return true;
}
QString FormWindowFile::defaultPath() const
{
return QString();
}
void FormWindowFile::setSuggestedFileName(const QString &fn)
{
if (Designer::Constants::Internal::debug)
qDebug() << Q_FUNC_INFO << filePath() << fn;
m_suggestedName = fn;
}
QString FormWindowFile::suggestedFileName() const
{
return m_suggestedName;
}
bool FormWindowFile::writeFile(const QString &fn, QString *errorString) const
{
if (Designer::Constants::Internal::debug)
qDebug() << Q_FUNC_INFO << filePath() << fn;
return write(fn, format(), m_formWindow->contents(), errorString);
}
QDesignerFormWindowInterface *FormWindowFile::formWindow() const
{
return m_formWindow;
}
void FormWindowFile::syncXmlFromFormWindow()
{
document()->setPlainText(formWindowContents());
}
QString FormWindowFile::formWindowContents() const
{
#if QT_VERSION >= 0x050000 // TODO: No warnings about spacers here
QTC_ASSERT(m_formWindow, return QString());
return m_formWindow->contents();
#else
// No warnings about spacers here
const qdesigner_internal::FormWindowBase *fw =
qobject_cast<const qdesigner_internal::FormWindowBase *>(m_formWindow);
QTC_ASSERT(fw, return QString());
return fw->fileContents();
#endif
}
void FormWindowFile::slotFormWindowRemoved(QDesignerFormWindowInterface *w)
{
// Release formwindow as soon as the FormWindowManager removes
// as calls to isDirty() are triggered at arbitrary times
// while building.
if (w == m_formWindow)
m_formWindow = 0;
}
} // namespace Internal
} // namespace Designer
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