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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtQml module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/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 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, 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.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qquickfiledialog_p.h"
#include <QQuickItem>
#include <private/qguiapplication_p.h>
#include <qpa/qplatformintegration.h>
QT_BEGIN_NAMESPACE
/*!
\qmltype AbstractFileDialog
\instantiates QQuickFileDialog
\inqmlmodule QtQuick.Dialogs 1
\ingroup qtquick-visual
\brief API wrapper for QML file dialog implementations
\since 5.1
\internal
AbstractFileDialog provides only the API for implementing a file dialog.
The implementation (e.g. a Window or Item) can be provided as \l implementation,
which is the default property (the only allowed child element).
*/
/*!
\qmlsignal QtQuick::Dialogs::AbstractFileDialog::accepted
The \a accepted signal is emitted by \l accept().
*/
/*!
\qmlsignal QtQuick::Dialogs::AbstractFileDialog::rejected
The \a accepted signal is emitted by \l reject().
*/
/*!
\class QQuickFileDialog
\inmodule QtQuick.Dialogs
\internal
The QQuickFileDialog class is a concrete subclass of \l
QQuickAbstractFileDialog, but it is abstract from the QML perspective
because it needs to enclose a graphical implementation. It exists in order
to provide accessors and helper functions which the QML implementation will
need.
\since 5.1
*/
/*!
Constructs a file dialog wrapper with parent window \a parent.
*/
QQuickFileDialog::QQuickFileDialog(QObject *parent)
: QQuickAbstractFileDialog(parent)
, m_implementation(0)
, m_dialogWindow(0)
{
}
/*!
Destroys the file dialog wrapper.
*/
QQuickFileDialog::~QQuickFileDialog()
{
}
QList<QUrl> QQuickFileDialog::fileUrls()
{
QList<QUrl> ret;
foreach (QString path, m_selections)
ret << QUrl::fromLocalFile(path);
return ret;
}
/*!
\qmlproperty bool AbstractFileDialog::visible
This property holds whether the dialog is visible. By default this is false.
*/
void QQuickFileDialog::setVisible(bool v)
{
if (m_visible == v) return;
m_visible = v;
// For a pure QML implementation, there is no helper.
// But m_implementation is probably either an Item or a Window at this point.
if (!m_dialogWindow) {
m_dialogWindow = qobject_cast<QWindow *>(m_implementation);
if (!m_dialogWindow) {
QQuickItem *dlgItem = qobject_cast<QQuickItem *>(m_implementation);
if (dlgItem) {
m_dialogWindow = dlgItem->window();
// An Item-based dialog implementation doesn't come with a window, so
// we have to instantiate one iff the platform allows it.
if (!m_dialogWindow && QGuiApplicationPrivate::platformIntegration()->
hasCapability(QPlatformIntegration::MultipleWindows)) {
QQuickWindow *win = new QQuickWindow;
m_dialogWindow = win;
dlgItem->setParentItem(win->contentItem());
m_dialogWindow->setMinimumSize(QSize(dlgItem->width(), dlgItem->height()));
}
QQuickItem *parentItem = qobject_cast<QQuickItem *>(parent());
// qDebug() << "item implementation" << dlgItem << "has window" << m_dialogWindow << "and parent" << parentItem;
// If the platform does not support multiple windows, but the dialog is
// implemented as an Item, then just reparent it and make it visible.
// TODO QTBUG-29818: put it into a fake Item-based window, when we have a reusable self-decorated one.
if (parentItem && !m_dialogWindow)
dlgItem->setParentItem(parentItem);
}
}
if (m_dialogWindow)
connect(m_dialogWindow, SIGNAL(visibleChanged(bool)), this, SLOT(visibleChanged(bool)));
}
if (m_dialogWindow) {
if (v) {
m_dialogWindow->setTransientParent(parentWindow());
m_dialogWindow->setTitle(title());
m_dialogWindow->setModality(m_modality);
}
m_dialogWindow->setVisible(v);
}
emit visibilityChanged();
}
/*!
\qmlproperty bool AbstractFileDialog::filePaths
A list of files to be populated as the user chooses.
*/
/*!
\brief Clears \l filePaths
*/
void QQuickFileDialog::clearSelection()
{
m_selections.clear();
}
/*!
\brief Adds one file to \l filePaths
\l path should be given as an absolute file system path. If it is given as a
file:// URL, it will be converted to a path. Returns true on success,
false if the given path is not valid given the current setting properties.
*/
bool QQuickFileDialog::addSelection(QString path)
{
if (path.startsWith("file:"))
path = QUrl(path).toLocalFile();
QFileInfo info(path);
if (info.exists() && ((info.isDir() && m_selectFolder) || !info.isDir())) {
if (m_selectFolder)
m_selections.append(pathFolder(path).toLocalFile());
else
m_selections.append(path);
return true;
}
return false;
}
/*!
\brief get a file's directory as a URL
If \a path points to a directory, just convert it to a URL.
If \a path points to a file, convert the file's directory to a URL.
*/
QUrl QQuickFileDialog::pathFolder(const QString &path)
{
QFileInfo info(path);
if (info.exists() && info.isDir())
return QUrl::fromLocalFile(path);
return QUrl::fromLocalFile(QFileInfo(path).absolutePath());
}
/*!
\qmlproperty QObject AbstractFileDialog::implementation
The QML object which implements the actual file dialog. Should be either a
\l Window or an \l Item.
*/
void QQuickFileDialog::setImplementation(QObject *obj)
{
m_implementation = obj;
if (m_dialogWindow)
disconnect(this, SLOT(visibleChanged(bool)));
m_dialogWindow = 0;
}
QT_END_NAMESPACE
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