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qt5base-lts/tests/manual/dialogs/filedialogpanel.cpp
Matti Paaso 974c210835 Update license headers and add new license files 
- Renamed LICENSE.LGPL to LICENSE.LGPLv21
- Added LICENSE.LGPLv3
- Removed LICENSE.GPL

Change-Id: Iec3406e3eb3f133be549092015cefe33d259a3f2
Reviewed-by: Iikka Eklund <iikka.eklund@digia.com>
2014-09-24 12:26:19 +02:00

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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 the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** 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 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.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "filedialogpanel.h"
#include "utils.h"
#include <QGridLayout>
#include <QVBoxLayout>
#include <QHBoxLayout>
#include <QGridLayout>
#include <QFormLayout>
#include <QSpacerItem>
#include <QGroupBox>
#include <QPushButton>
#include <QCheckBox>
#include <QLineEdit>
#include <QPlainTextEdit>
#include <QLabel>
#include <QMessageBox>
#include <QApplication>
#include <QTimer>
#include <QDebug>
const FlagData acceptModeComboData[] =
{
{"AcceptOpen", QFileDialog::AcceptOpen },
{"AcceptSave", QFileDialog::AcceptSave }
};
const FlagData viewModeComboData[] =
{
{"Detail", QFileDialog::Detail},
{"List", QFileDialog::List}
};
const FlagData fileModeComboData[] =
{
{"AnyFile", QFileDialog::AnyFile},
{"ExistingFile", QFileDialog::ExistingFile},
{"ExistingFiles", QFileDialog::ExistingFiles},
{"Directory", QFileDialog::Directory},
{"DirectoryOnly", QFileDialog::DirectoryOnly}
};
static inline QPushButton *addButton(const QString &description, QGridLayout *layout,
int &row, int column, QObject *receiver, const char *slotFunc)
{
QPushButton *button = new QPushButton(description);
QObject::connect(button, SIGNAL(clicked()), receiver, slotFunc);
layout->addWidget(button, row++, column);
return button;
}
// A line edit for editing the label fields of the dialog, keeping track of whether it has
// been modified by the user to avoid applying Qt's default texts to native dialogs.
class LabelLineEdit : public QLineEdit
{
Q_OBJECT
public:
explicit LabelLineEdit(QFileDialog::DialogLabel label, QWidget *parent = 0) : QLineEdit(parent), m_label(label), m_dirty(false)
{
connect(this, SIGNAL(textEdited(QString)), this, SLOT(setDirty()));
}
void restoreDefault(const QFileDialog *d)
{
setText(d->labelText(m_label));
m_dirty = false;
}
void apply(QFileDialog *d) const
{
if (m_dirty)
d->setLabelText(m_label, text());
}
private slots:
void setDirty() { m_dirty = true; }
private:
const QFileDialog::DialogLabel m_label;
bool m_dirty;
};
FileDialogPanel::FileDialogPanel(QWidget *parent)
: QWidget(parent)
, m_showDirsOnly(new QCheckBox(tr("Show dirs only")))
, m_readOnly(new QCheckBox(tr("Read only")))
, m_confirmOverWrite(new QCheckBox(tr("Confirm overwrite")))
, m_nameFilterDetailsVisible(new QCheckBox(tr("Name filter details visible")))
, m_resolveSymLinks(new QCheckBox(tr("Resolve symlinks")))
, m_native(new QCheckBox(tr("Use native dialog")))
, m_customDirIcons(new QCheckBox(tr("Don't use custom directory icons")))
, m_acceptMode(createCombo(this, acceptModeComboData, sizeof(acceptModeComboData)/sizeof(FlagData)))
, m_fileMode(createCombo(this, fileModeComboData, sizeof(fileModeComboData)/sizeof(FlagData)))
, m_viewMode(createCombo(this, viewModeComboData, sizeof(viewModeComboData)/sizeof(FlagData)))
, m_allowedSchemes(new QLineEdit(this))
, m_defaultSuffix(new QLineEdit(this))
, m_directory(new QLineEdit(this))
, m_selectedFileName(new QLineEdit(this))
, m_useMimeTypeFilters(new QCheckBox(this))
, m_nameFilters(new QPlainTextEdit)
, m_selectedNameFilter(new QLineEdit(this))
, m_deleteNonModalDialogButton(0)
, m_deleteModalDialogButton(0)
{
// Options
QGroupBox *optionsGroupBox = new QGroupBox(tr("Options"));
QFormLayout *optionsLayout = new QFormLayout(optionsGroupBox);
optionsLayout->addRow(tr("AcceptMode:"), m_acceptMode);
optionsLayout->addRow(tr("FileMode:"), m_fileMode);
optionsLayout->addRow(tr("ViewMode:"), m_viewMode);
optionsLayout->addRow(tr("Allowed Schemes:"), m_allowedSchemes);
optionsLayout->addRow(m_showDirsOnly);
optionsLayout->addRow(m_native);
optionsLayout->addRow(m_confirmOverWrite);
optionsLayout->addRow(m_nameFilterDetailsVisible);
optionsLayout->addRow(m_resolveSymLinks);
optionsLayout->addRow(m_readOnly);
optionsLayout->addRow(m_customDirIcons);
// Files
QGroupBox *filesGroupBox = new QGroupBox(tr("Files / Filters"));
filesLayout = new QFormLayout(filesGroupBox);
filesLayout->addRow(tr("Default Suffix:"), m_defaultSuffix);
filesLayout->addRow(tr("Directory:"), m_directory);
filesLayout->addRow(tr("Selected file:"), m_selectedFileName);
filesLayout->addRow(tr("Use mime type filters:"), m_useMimeTypeFilters);
m_nameFilters->setMaximumHeight(80);
filesLayout->addRow(tr("Name filters:"), m_nameFilters);
filesLayout->addRow(tr("Selected name filter:"), m_selectedNameFilter);
// Optional labels
QGroupBox *labelsGroupBox = new QGroupBox(tr("Labels"));
QFormLayout *labelsLayout = new QFormLayout(labelsGroupBox);
m_labelLineEdits.push_back(new LabelLineEdit(QFileDialog::LookIn, this));
labelsLayout->addRow(tr("Look in label:"), m_labelLineEdits.back());
m_labelLineEdits.push_back(new LabelLineEdit(QFileDialog::FileName, this));
labelsLayout->addRow(tr("File name label:"), m_labelLineEdits.back());
m_labelLineEdits.push_back(new LabelLineEdit(QFileDialog::FileType, this));
labelsLayout->addRow(tr("File type label:"), m_labelLineEdits.back());
m_labelLineEdits.push_back(new LabelLineEdit(QFileDialog::Accept, this));
labelsLayout->addRow(tr("Accept label:"), m_labelLineEdits.back());
m_labelLineEdits.push_back(new LabelLineEdit(QFileDialog::Reject, this));
labelsLayout->addRow(tr("Reject label:"), m_labelLineEdits.back());
// Buttons
QGroupBox *buttonsGroupBox = new QGroupBox(tr("Show"));
QGridLayout *buttonLayout = new QGridLayout(buttonsGroupBox);
int row = 0;
int column = 0;
addButton(tr("Exec modal"), buttonLayout, row, column, this, SLOT(execModal()));
addButton(tr("Show modal"), buttonLayout, row, column, this, SLOT(showModal()));
m_deleteModalDialogButton =
addButton(tr("Delete modal"), buttonLayout, row, column, this, SLOT(deleteModalDialog()));
addButton(tr("Show non-modal"), buttonLayout, row, column, this, SLOT(showNonModal()));
m_deleteNonModalDialogButton =
addButton(tr("Delete non-modal"), buttonLayout, row, column, this, SLOT(deleteNonModalDialog()));
row = 0;
column++;
addButton(tr("getOpenFileName"), buttonLayout, row, column, this, SLOT(getOpenFileName()));
addButton(tr("getOpenFileUrl"), buttonLayout, row, column, this, SLOT(getOpenFileUrl()));
addButton(tr("getOpenFileNames"), buttonLayout, row, column, this, SLOT(getOpenFileNames()));
addButton(tr("getOpenFileUrls"), buttonLayout, row, column, this, SLOT(getOpenFileUrls()));
addButton(tr("getSaveFileName"), buttonLayout, row, column, this, SLOT(getSaveFileName()));
addButton(tr("getSaveFileUrl"), buttonLayout, row, column, this, SLOT(getSaveFileUrl()));
addButton(tr("getExistingDirectory"), buttonLayout, row, column, this, SLOT(getExistingDirectory()));
addButton(tr("getExistingDirectoryUrl"), buttonLayout, row, column, this, SLOT(getExistingDirectoryUrl()));
addButton(tr("Restore defaults"), buttonLayout, row, column, this, SLOT(restoreDefaults()));
// Main layout
QGridLayout *gridLayout = new QGridLayout(this);
gridLayout->addWidget(optionsGroupBox, 0, 0);
gridLayout->addWidget(filesGroupBox, 0, 1);
gridLayout->addWidget(labelsGroupBox, 1, 0);
gridLayout->addWidget(buttonsGroupBox, 1, 1);
connect(m_useMimeTypeFilters, SIGNAL(toggled(bool)), this, SLOT(useMimeTypeFilters(bool)));
enableDeleteModalDialogButton();
enableDeleteNonModalDialogButton();
restoreDefaults();
}
void FileDialogPanel::execModal()
{
QFileDialog dialog(this);
applySettings(&dialog);
connect(&dialog, SIGNAL(accepted()), this, SLOT(accepted()));
dialog.setWindowTitle(tr("Modal File Dialog Qt %1").arg(QLatin1String(QT_VERSION_STR)));
dialog.exec();
}
void FileDialogPanel::showModal()
{
if (m_modalDialog.isNull()) {
static int n = 0;
m_modalDialog = new QFileDialog(this);
m_modalDialog->setModal(true);
connect(m_modalDialog.data(), SIGNAL(accepted()), this, SLOT(accepted()));
m_modalDialog->setWindowTitle(tr("Modal File Dialog #%1 Qt %2")
.arg(++n)
.arg(QLatin1String(QT_VERSION_STR)));
enableDeleteModalDialogButton();
}
applySettings(m_modalDialog);
m_modalDialog->show();
}
void FileDialogPanel::showNonModal()
{
if (m_nonModalDialog.isNull()) {
static int n = 0;
m_nonModalDialog = new QFileDialog(this);
connect(m_nonModalDialog.data(), SIGNAL(accepted()), this, SLOT(accepted()));
m_nonModalDialog->setWindowTitle(tr("Non-Modal File Dialog #%1 Qt %2")
.arg(++n)
.arg(QLatin1String(QT_VERSION_STR)));
enableDeleteNonModalDialogButton();
}
applySettings(m_nonModalDialog);
m_nonModalDialog->show();
}
void FileDialogPanel::deleteNonModalDialog()
{
if (!m_nonModalDialog.isNull())
delete m_nonModalDialog;
enableDeleteNonModalDialogButton();
}
void FileDialogPanel::deleteModalDialog()
{
if (!m_modalDialog.isNull())
delete m_modalDialog;
enableDeleteModalDialogButton();
}
void FileDialogPanel::enableDeleteNonModalDialogButton()
{
m_deleteNonModalDialogButton->setEnabled(!m_nonModalDialog.isNull());
}
void FileDialogPanel::enableDeleteModalDialogButton()
{
m_deleteModalDialogButton->setEnabled(!m_modalDialog.isNull());
}
QString FileDialogPanel::filterString() const
{
return m_nameFilters->toPlainText().trimmed().replace(QLatin1String("\n"), QLatin1String(";;"));
}
QUrl FileDialogPanel::currentDirectoryUrl() const
{
return QUrl::fromUserInput(m_directory->text().trimmed());
}
QFileDialog::Options FileDialogPanel::options() const
{
QFileDialog::Options result;
if (m_showDirsOnly->isChecked())
result |= QFileDialog::ShowDirsOnly;
if (!m_nameFilterDetailsVisible->isChecked())
result |= QFileDialog::HideNameFilterDetails;
if (!m_resolveSymLinks->isChecked())
result |= QFileDialog::DontResolveSymlinks;
if (m_readOnly->isChecked())
result |= QFileDialog::ReadOnly;
if (!m_confirmOverWrite->isChecked())
result |= QFileDialog::DontConfirmOverwrite;
if (!m_native->isChecked())
result |= QFileDialog::DontUseNativeDialog;
if (!m_customDirIcons->isChecked())
result |= QFileDialog::DontUseCustomDirectoryIcons;
return result;
}
QStringList FileDialogPanel::allowedSchemes() const
{
return m_allowedSchemes->text().simplified().split(' ', QString::SkipEmptyParts);
}
void FileDialogPanel::getOpenFileNames()
{
QString selectedFilter = m_selectedNameFilter->text().trimmed();
const QStringList files =
QFileDialog::getOpenFileNames(this, tr("getOpenFileNames Qt %1").arg(QLatin1String(QT_VERSION_STR)),
m_directory->text(), filterString(), &selectedFilter, options());
if (!files.isEmpty()) {
QString result;
QDebug(&result).nospace()
<< "Files: " << files
<< "\nName filter: " << selectedFilter;
QMessageBox::information(this, tr("getOpenFileNames"), result, QMessageBox::Ok);
}
}
void FileDialogPanel::getOpenFileUrls()
{
#if QT_VERSION >= 0x050000
QString selectedFilter = m_selectedNameFilter->text().trimmed();
const QList<QUrl> files =
QFileDialog::getOpenFileUrls(this, tr("getOpenFileNames Qt %1").arg(QLatin1String(QT_VERSION_STR)),
currentDirectoryUrl(), filterString(), &selectedFilter, options(),
allowedSchemes());
if (!files.isEmpty()) {
QString result;
QDebug(&result).nospace()
<< "Files: " << QUrl::toStringList(files)
<< "\nName filter: " << selectedFilter;
QMessageBox::information(this, tr("getOpenFileNames"), result, QMessageBox::Ok);
}
#endif // Qt 5
}
void FileDialogPanel::getOpenFileName()
{
QString selectedFilter = m_selectedNameFilter->text().trimmed();
const QString file =
QFileDialog::getOpenFileName(this, tr("getOpenFileName Qt %1").arg(QLatin1String(QT_VERSION_STR)),
m_directory->text(), filterString(), &selectedFilter, options());
if (!file.isEmpty()) {
QString result;
QDebug(&result).nospace()
<< "File: " << file
<< "\nName filter: " << selectedFilter;
QMessageBox::information(this, tr("getOpenFileName"), result, QMessageBox::Ok);
}
}
void FileDialogPanel::getOpenFileUrl()
{
#if QT_VERSION >= 0x050000
QString selectedFilter = m_selectedNameFilter->text().trimmed();
const QUrl file =
QFileDialog::getOpenFileUrl(this, tr("getOpenFileUrl Qt %1").arg(QLatin1String(QT_VERSION_STR)),
currentDirectoryUrl(), filterString(), &selectedFilter, options(),
allowedSchemes());
if (file.isValid()) {
QString result;
QDebug(&result).nospace()
<< "File: " << file.toString()
<< "\nName filter: " << selectedFilter;
QMessageBox::information(this, tr("getOpenFileName"), result, QMessageBox::Ok);
}
#endif // Qt 5
}
void FileDialogPanel::getSaveFileName()
{
QString selectedFilter = m_selectedNameFilter->text().trimmed();
const QString file =
QFileDialog::getSaveFileName(this, tr("getSaveFileName Qt %1").arg(QLatin1String(QT_VERSION_STR)),
m_directory->text(), filterString(), &selectedFilter, options());
if (!file.isEmpty()) {
QString result;
QDebug(&result).nospace()
<< "File: " << file
<< "\nName filter: " << selectedFilter;
QMessageBox::information(this, tr("getSaveFileNames"), result, QMessageBox::Ok);
}
}
void FileDialogPanel::getSaveFileUrl()
{
#if QT_VERSION >= 0x050000
QString selectedFilter = m_selectedNameFilter->text().trimmed();
const QUrl file =
QFileDialog::getSaveFileUrl(this, tr("getSaveFileName Qt %1").arg(QLatin1String(QT_VERSION_STR)),
currentDirectoryUrl(), filterString(), &selectedFilter, options(),
allowedSchemes());
if (file.isValid()) {
QString result;
QDebug(&result).nospace()
<< "File: " << file.toString()
<< "\nName filter: " << selectedFilter;
QMessageBox::information(this, tr("getSaveFileNames"), result, QMessageBox::Ok);
}
#endif // Qt 5
}
void FileDialogPanel::getExistingDirectory()
{
const QString dir =
QFileDialog::getExistingDirectory(this, tr("getExistingDirectory Qt %1").arg(QLatin1String(QT_VERSION_STR)),
m_directory->text(), options() | QFileDialog::ShowDirsOnly);
if (!dir.isEmpty())
QMessageBox::information(this, tr("getExistingDirectory"), QLatin1String("Directory: ") + dir, QMessageBox::Ok);
}
void FileDialogPanel::getExistingDirectoryUrl()
{
#if QT_VERSION >= 0x050000
const QUrl dir =
QFileDialog::getExistingDirectoryUrl(this, tr("getExistingDirectory Qt %1").arg(QLatin1String(QT_VERSION_STR)),
currentDirectoryUrl(), options() | QFileDialog::ShowDirsOnly,
allowedSchemes());
if (!dir.isEmpty())
QMessageBox::information(this, tr("getExistingDirectory"), QLatin1String("Directory: ") + dir.toString(), QMessageBox::Ok);
#endif // Qt 5
}
void FileDialogPanel::restoreDefaults()
{
QFileDialog d;
setComboBoxValue(m_acceptMode, d.acceptMode());
setComboBoxValue(m_fileMode, d.fileMode());
setComboBoxValue(m_viewMode, d.viewMode());
m_showDirsOnly->setChecked(d.testOption(QFileDialog::ShowDirsOnly));
m_allowedSchemes->setText(QString());
m_confirmOverWrite->setChecked(d.confirmOverwrite());
m_nameFilterDetailsVisible->setChecked(d.isNameFilterDetailsVisible());
m_resolveSymLinks->setChecked(d.resolveSymlinks());
m_readOnly->setChecked(d.isReadOnly());
m_native->setChecked(true);
m_customDirIcons->setChecked(d.testOption(QFileDialog::DontUseCustomDirectoryIcons));
m_directory->setText(QDir::homePath());
m_defaultSuffix->setText(QLatin1String("txt"));
m_useMimeTypeFilters->setChecked(false);
useMimeTypeFilters(false);
m_selectedFileName->setText(QString());
m_selectedNameFilter->setText(QString());
foreach (LabelLineEdit *l, m_labelLineEdits)
l->restoreDefault(&d);
}
void FileDialogPanel::applySettings(QFileDialog *d) const
{
d->setAcceptMode(comboBoxValue<QFileDialog::AcceptMode>(m_acceptMode));
d->setViewMode(comboBoxValue<QFileDialog::ViewMode>(m_viewMode));
d->setFileMode(comboBoxValue<QFileDialog::FileMode>(m_fileMode));
d->setOptions(options());
d->setDefaultSuffix(m_defaultSuffix->text().trimmed());
const QString directory = m_directory->text().trimmed();
if (!directory.isEmpty())
d->setDirectory(directory);
const QString file = m_selectedFileName->text().trimmed();
if (!file.isEmpty())
d->selectFile(file);
const QString filter = m_selectedNameFilter->text().trimmed();
const QStringList filters = m_nameFilters->toPlainText().trimmed().split(QLatin1Char('\n'), QString::SkipEmptyParts);
if (!m_useMimeTypeFilters->isChecked()) {
d->setNameFilters(filters);
if (!filter.isEmpty())
d->selectNameFilter(filter);
} else {
#if QT_VERSION >= 0x050000
d->setMimeTypeFilters(filters);
if (!filter.isEmpty())
d->selectMimeTypeFilter(filter);
#endif // Qt 5
}
foreach (LabelLineEdit *l, m_labelLineEdits)
l->apply(d);
}
void FileDialogPanel::useMimeTypeFilters(bool b)
{
QWidget *textEdit = filesLayout->labelForField(m_nameFilters);
if (QLabel *label = qobject_cast<QLabel *>(textEdit))
label->setText(b ? tr("Mime type filters:") : tr("Name filters:"));
QWidget *w = filesLayout->labelForField(m_selectedNameFilter);
if (QLabel *label = qobject_cast<QLabel *>(w))
label->setText(b ? tr("Selected mime type filter:") : tr("Selected name filter:"));
if (b)
m_nameFilters->setPlainText(QLatin1String("image/jpeg\nimage/png\ntext/plain\napplication/octet-stream"));
else
m_nameFilters->setPlainText(QLatin1String("Any files (*)\nImage files (*.png *.xpm *.jpg)\nText files (*.txt)"));
}
void FileDialogPanel::accepted()
{
const QFileDialog *d = qobject_cast<const QFileDialog *>(sender());
Q_ASSERT(d);
m_result.clear();
QDebug(&m_result).nospace()
<< "Files: " << d->selectedFiles()
<< "\nDirectory: " << d->directory().absolutePath()
<< "\nName filter: " << d->selectedNameFilter();
QTimer::singleShot(0, this, SLOT(showAcceptedResult())); // Avoid problems with the closing (modal) dialog as parent.
}
void FileDialogPanel::showAcceptedResult()
{
QMessageBox::information(this, tr("File Dialog Accepted"), m_result, QMessageBox::Ok);
}
#include "filedialogpanel.moc"
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