From 7d038c735476b2b3071b2b2df0e391838565b4af Mon Sep 17 00:00:00 2001
From: Matthieu Bruel <Matthieu.Bruel@gmail.com>
Date: Fri, 27 Nov 2020 13:24:54 +0100
Subject: [PATCH] Missing filechooserwidget files...

---
 src/ui/filechooserwidget.cpp | 106 +++++++++++++++++++++++++++++++++++
 src/ui/filechooserwidget.h   |  41 ++++++++++++++
 2 files changed, 147 insertions(+)
 create mode 100644 src/ui/filechooserwidget.cpp
 create mode 100644 src/ui/filechooserwidget.h

diff --git a/src/ui/filechooserwidget.cpp b/src/ui/filechooserwidget.cpp
new file mode 100644
index 000000000..cdab2edb9
--- /dev/null
+++ b/src/ui/filechooserwidget.cpp
@@ -0,0 +1,106 @@
+#include "filechooserwidget.h"
+
+#include <QFileDialog>
+#include <QFileInfo>
+#include <QHBoxLayout>
+#include <QLabel>
+#include <QLineEdit>
+#include <QPushButton>
+FileChooserWidget::FileChooserWidget(QWidget* parent)
+    : QWidget(parent),
+      layout_(new QHBoxLayout(this)),
+      path_edit_(new QLineEdit(this)),
+      mode_(Mode::Directory),
+      filter_(""),
+      open_dir_path_("") {
+  Init("");
+}
+
+FileChooserWidget::FileChooserWidget(Mode mode, const QString& initial_path,
+                                     QWidget* parent)
+    : QWidget(parent),
+      layout_(new QHBoxLayout(this)),
+      path_edit_(new QLineEdit(this)),
+      mode_(mode),
+      filter_(""),
+      open_dir_path_("") {
+  Init(initial_path);
+}
+
+FileChooserWidget::FileChooserWidget(Mode mode, const QString& label,
+                                     const QString& initial_path,
+                                     QWidget* parent)
+    : QWidget(parent),
+      layout_(new QHBoxLayout(this)),
+      path_edit_(new QLineEdit(this)),
+      mode_(mode),
+      filter_(""),
+      open_dir_path_("") {
+  QLabel* lbl = new QLabel(label, this);
+  layout_->addWidget(lbl);
+  Init(initial_path);
+}
+
+void FileChooserWidget::SetFileFilter(const QString& filter) {
+  filter_ = filter;
+}
+
+void FileChooserWidget::SetPath(const QString& path) {
+  QFileInfo fi(path);
+  if (fi.exists()) {
+    path_edit_->setText(path);
+    open_dir_path_ = fi.absolutePath();
+  }
+}
+
+QString FileChooserWidget::Path() const {
+  QString path(path_edit_->text());
+  QFileInfo fi(path);
+  if (!fi.exists()) return "";
+  if (mode_ == Mode::File) {
+    if (!fi.isFile()) return "";
+  } else {
+    if (!fi.isDir()) return "";
+  }
+  return path;
+}
+
+void FileChooserWidget::Init(const QString& initialPath) {
+  QFileInfo fi(initialPath);
+  if (fi.exists()) {
+    path_edit_->setText(initialPath);
+    open_dir_path_ = fi.absolutePath();
+  }
+  layout_->addWidget(path_edit_);
+
+  QPushButton* changePath = new QPushButton(QLatin1String("..."), this);
+  connect(changePath, &QAbstractButton::clicked, this,
+          &FileChooserWidget::ChooseFile);
+  changePath->setFixedWidth(
+      2 * changePath->fontMetrics().width(QLatin1String(" ... ")));
+
+  layout_->addWidget(changePath);
+  layout_->setContentsMargins(2, 0, 2, 0);
+
+  setFocusProxy(path_edit_);
+}
+
+void FileChooserWidget::ChooseFile() {
+  QString new_path;
+
+  if (mode_ == Mode::File)
+    new_path = QFileDialog::getOpenFileName(this, tr("Select a file"),
+                                            open_dir_path_, filter_);
+  else
+    new_path = QFileDialog::getExistingDirectory(this, tr("Select a directory"),
+                                                 open_dir_path_);
+
+  if (!new_path.isEmpty()) {
+    QFileInfo fi(new_path);
+    open_dir_path_ = fi.absolutePath();
+    if (mode_ == Mode::File)
+      path_edit_->setText(fi.absoluteFilePath());
+    else
+      path_edit_->setText(fi.absoluteFilePath() + "/");
+  }
+}
diff --git a/src/ui/filechooserwidget.h b/src/ui/filechooserwidget.h
new file mode 100644
index 000000000..49bcb8f00
--- /dev/null
+++ b/src/ui/filechooserwidget.h
@@ -0,0 +1,41 @@
+#ifndef FILECHOOSERWIDGET_H
+#define FILECHOOSERWIDGET_H
+
+#include <QWidget>
+class QLineEdit;
+class QHBoxLayout;
+
+class FileChooserWidget : public QWidget {
+  Q_OBJECT
+ public:
+  enum class Mode { File, Directory };
+
+ private:
+  QHBoxLayout* layout_;
+  QLineEdit* path_edit_;
+  const Mode mode_;
+  QString filter_;
+  QString open_dir_path_;
+
+ public:
+  FileChooserWidget(QWidget* parent);
+  FileChooserWidget(Mode mode, const QString& initial_path = "",
+                    QWidget* parent = nullptr);
+  FileChooserWidget(Mode mode, const QString& label,
+                    const QString& initial_path = "",
+                    QWidget* parent = nullptr);
+  ~FileChooserWidget() = default;
+
+  void SetFileFilter(const QString& filter);
+
+  void SetPath(const QString& path);
+  QString Path() const;
+
+ public slots:
+  void ChooseFile();
+
+ private:
+  void Init(const QString& initialPath);
+};
+
+#endif  // FILECHOOSERWIDGET_H