Utils: Provide FilePath based wrappers for common dialogs

Change-Id: I464a7b5775495f32648905335f2d798384867900
Reviewed-by: Christian Stenger <[email protected]>

3 files changed, 104 insertions, 1 deletions

diff --git a/src/libs/utils/fileutils.cpp b/src/libs/utils/fileutils.cpp
index ff7745761c8..48d9fc5a21c 100644
--- a/src/libs/utils/fileutils.cpp
+++ b/src/libs/utils/fileutils.cpp
@@ -405,5 +405,76 @@ void withNtfsPermissions(const std::function<void()> &task)
 }
 #endif
 
-} // namespace Utils
 
+#ifdef QT_WIDGETS_LIB
+
+static std::function<QWidget *()> s_dialogParentGetter;
+
+void FileUtils::setDialogParentGetter(const std::function<QWidget *()> &getter)
+{
+    s_dialogParentGetter = getter;
+}
+
+static QWidget *dialogParent()
+{
+    return s_dialogParentGetter ? s_dialogParentGetter() : nullptr;
+}
+
+FilePath FileUtils::getOpenFilePath(const QString &caption,
+                                    const FilePath &dir,
+                                    const QString &filter,
+                                    QString *selectedFilter,
+                                    QFileDialog::Options options)
+{
+    const QString result = QFileDialog::getOpenFileName(dialogParent(),
+                                                        caption,
+                                                        dir.toString(),
+                                                        filter,
+                                                        selectedFilter,
+                                                        options);
+    return FilePath::fromString(result);
+}
+
+FilePath FileUtils::getSaveFilePath(const QString &caption,
+                                   const FilePath &dir,
+                                   const QString &filter,
+                                   QString *selectedFilter,
+                                   QFileDialog::Options options)
+{
+    const QString result = QFileDialog::getSaveFileName(dialogParent(),
+                                                        caption,
+                                                        dir.toString(),
+                                                        filter,
+                                                        selectedFilter,
+                                                        options);
+    return FilePath::fromString(result);
+}
+
+FilePath FileUtils::getExistingDirectory(const QString &caption,
+                                        const FilePath &dir,
+                                        QFileDialog::Options options)
+{
+    const QString result = QFileDialog::getExistingDirectory(dialogParent(),
+                                                             caption,
+                                                             dir.toString(),
+                                                             options);
+    return FilePath::fromString(result);
+}
+
+FilePaths FileUtils::getOpenFilePaths(const QString &caption,
+                                      const FilePath &dir,
+                                      const QString &filter,
+                                      QString *selectedFilter,
+                                      QFileDialog::Options options)
+{
+    const QStringList result = QFileDialog::getOpenFileNames(dialogParent(),
+                                                             caption,
+                                                             dir.toString(),
+                                                             filter,
+                                                             selectedFilter,
+                                                             options);
+    return transform(result, &FilePath::fromString);
+}
+#endif // QT_WIDGETS_LIB
+
+} // namespace Utils
diff --git a/src/libs/utils/fileutils.h b/src/libs/utils/fileutils.h
index 9901f678763..8b5f97b6cde 100644
--- a/src/libs/utils/fileutils.h
+++ b/src/libs/utils/fileutils.h
@@ -38,6 +38,10 @@
 #include <QUrl>
 #include <QXmlStreamWriter> // Mac.
 
+#ifdef QT_WIDGETS_LIB
+#include <QFileDialog>
+#endif
+
 #include <functional>
 #include <memory>
 
@@ -128,6 +132,32 @@ public:
     static bool renameFile(const FilePath &srcFilePath, const FilePath &tgtFilePath);
 
     static void setDeviceFileHooks(const DeviceFileHooks &hooks);
+
+#ifdef QT_WIDGETS_LIB
+    static void setDialogParentGetter(const std::function<QWidget *()> &getter);
+
+    static FilePath getOpenFilePath(const QString &caption = {},
+                                    const FilePath &dir = {},
+                                    const QString &filter = {},
+                                    QString *selectedFilter = nullptr,
+                                    QFileDialog::Options options = {});
+
+    static FilePath getSaveFilePath(const QString &caption = {},
+                                    const FilePath &dir = {},
+                                    const QString &filter = {},
+                                    QString *selectedFilter = nullptr,
+                                    QFileDialog::Options options = {});
+
+    static FilePath getExistingDirectory(const QString &caption = {},
+                                         const FilePath &dir = {},
+                                         QFileDialog::Options options = QFileDialog::ShowDirsOnly);
+
+    static FilePaths getOpenFilePaths(const QString &caption = {},
+                                      const FilePath &dir = {},
+                                      const QString &filter = {},
+                                      QString *selectedFilter = nullptr,
+                                      QFileDialog::Options options = {});
+#endif
 };
 
 template<typename T>
diff --git a/src/plugins/coreplugin/icore.cpp b/src/plugins/coreplugin/icore.cpp
index aef14225f0d..73bcc5e793d 100644
--- a/src/plugins/coreplugin/icore.cpp
+++ b/src/plugins/coreplugin/icore.cpp
@@ -214,6 +214,8 @@ ICore::ICore(MainWindow *mainwindow)
         emit coreAboutToClose();
         QCoreApplication::exit(exitCode);
     });
+
+    FileUtils::setDialogParentGetter(&ICore::dialogParent);
 }
 
 /*!