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#include "./pathselection.h"
#include "./clearlineedit.h"
#include "../misc/desktoputils.h"
#include <c++utilities/io/path.h>
#include <QCompleter>
#include <QFileDialog>
#include <QFileSystemModel>
#include <QHBoxLayout>
#include <QMenu>
#include <QPushButton>
#include <QStringBuilder>
#ifndef QT_NO_CONTEXTMENU
#include <QContextMenuEvent>
#endif
#include <functional>
#include <memory>
using namespace std;
namespace QtUtilities {
/*!
* \class PathSelection
* \brief A QLineEdit with a QPushButton next to it which allows to select
* file/directory via QFileDialog.
*/
QCompleter *PathSelection::s_completer = nullptr;
/*!
* \brief Constructs a path selection widget.
*/
PathSelection::PathSelection(QWidget *parent)
: QWidget(parent)
, m_lineEdit(new ClearLineEdit(this))
, m_button(new QPushButton(this))
, m_customDialog(nullptr)
, m_customMode(QFileDialog::Directory)
{
if (!s_completer) {
s_completer = new QCompleter;
s_completer->setCompletionMode(QCompleter::UnfilteredPopupCompletion);
auto *const fileSystemModel = new QFileSystemModel(s_completer);
fileSystemModel->setRootPath(QString());
s_completer->setModel(fileSystemModel);
}
m_lineEdit->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
m_lineEdit->installEventFilter(this);
m_lineEdit->setCompleter(s_completer);
m_button->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Fixed);
setTexts();
auto *const layout = new QHBoxLayout(this);
layout->setSpacing(3);
layout->setContentsMargins(0, 0, 0, 0);
layout->addWidget(m_lineEdit);
layout->addWidget(m_button);
setLayout(layout);
connect(m_button, &QPushButton::clicked, this, &PathSelection::showFileDialog);
}
bool PathSelection::event(QEvent *event)
{
switch (event->type()) {
case QEvent::LanguageChange:
setTexts();
break;
default:;
}
return QWidget::event(event);
}
bool PathSelection::eventFilter(QObject *obj, QEvent *event)
{
#ifndef QT_NO_CONTEXTMENU
if (obj == m_lineEdit) {
switch (event->type()) {
case QEvent::ContextMenu: {
unique_ptr<QMenu> menu(m_lineEdit->createStandardContextMenu());
menu->addSeparator();
connect(menu->addAction(QIcon::fromTheme(QStringLiteral("document-open")), tr("Select ...")), &QAction::triggered, this,
&PathSelection::showFileDialog);
QFileInfo fileInfo(m_lineEdit->text());
if (fileInfo.exists()) {
if (fileInfo.isFile()) {
connect(menu->addAction(QIcon::fromTheme(QStringLiteral("system-run")), tr("Open")), &QAction::triggered,
bind(&openLocalFileOrDir, m_lineEdit->text()));
} else if (fileInfo.isDir()) {
connect(menu->addAction(QIcon::fromTheme(QStringLiteral("system-file-manager")), tr("Explore")), &QAction::triggered,
bind(&openLocalFileOrDir, m_lineEdit->text()));
}
}
menu->exec(static_cast<QContextMenuEvent *>(event)->globalPos());
}
return true;
default:;
}
}
#endif
return QWidget::eventFilter(obj, event);
}
void PathSelection::showFileDialog()
{
QString directory;
QFileInfo fileInfo(m_lineEdit->text());
if (fileInfo.exists()) {
if (fileInfo.isFile()) {
directory = fileInfo.absoluteDir().absolutePath();
} else {
directory = fileInfo.absolutePath();
}
}
if (m_customDialog) {
m_customDialog->setDirectory(directory);
if (m_customDialog->exec() == QFileDialog::Accepted) {
m_lineEdit->selectAll();
m_lineEdit->insert(m_customDialog->selectedFiles().join(SEARCH_PATH_SEP_CHAR));
}
} else {
QFileDialog dialog(this);
dialog.setDirectory(directory);
dialog.setFileMode(m_customMode);
if (window()) {
dialog.setWindowTitle(tr("Select path") % QStringLiteral(" - ") % window()->windowTitle());
} else {
dialog.setWindowTitle(tr("Select path"));
}
if (dialog.exec() == QFileDialog::Accepted) {
m_lineEdit->selectAll();
m_lineEdit->insert(dialog.selectedFiles().join(SEARCH_PATH_SEP_CHAR));
}
}
}
void PathSelection::setTexts()
{
m_button->setText(tr("Select ..."));
}
} // namespace QtUtilities
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