[skip ci] Implement AcceptMode for FileChooser to also allow to define an output file

src/Gui/FileDialog.cpp

@@ -619,7 +619,10 @@ QString FileIconProvider::type(const QFileInfo & info) const
  * Constructs a file chooser called \a name with the parent \a parent.
  */
 FileChooser::FileChooser ( QWidget * parent )
-  : QWidget(parent), md( File ), _filter( QString::null )
+  : QWidget(parent)
+  , md( File )
+  , accMode( AcceptOpen )
+  , _filter( QString::null )
 {
     QHBoxLayout *layout = new QHBoxLayout( this );
     layout->setMargin( 0 );
@@ -710,7 +713,10 @@ void FileChooser::chooseFile()
 
     QString fn;
     if ( mode() == File ) {
-        fn = QFileDialog::getOpenFileName( this, tr( "Select a file" ), prechosenDirectory, _filter,0,dlgOpt );
+        if (acceptMode() == AcceptOpen)
+            fn = QFileDialog::getOpenFileName(this, tr( "Select a file" ), prechosenDirectory, _filter, 0, dlgOpt);
+        else
+            fn = QFileDialog::getSaveFileName(this, tr( "Select a file" ), prechosenDirectory, _filter, 0, dlgOpt);
     } else {
         QFileDialog::Options option = QFileDialog::ShowDirsOnly | dlgOpt;
         fn = QFileDialog::getExistingDirectory( this, tr( "Select a directory" ), prechosenDirectory,option );

src/Gui/FileDialog.h

@@ -138,12 +138,15 @@ class GuiExport FileChooser : public QWidget
 
     Q_ENUMS( Mode )
     Q_PROPERTY( Mode mode READ mode WRITE setMode )
+    Q_ENUMS( AcceptMode )
+    Q_PROPERTY( AcceptMode acceptMode READ acceptMode WRITE setAcceptMode    )
     Q_PROPERTY( QString  fileName  READ fileName      WRITE setFileName      )
     Q_PROPERTY( QString  filter    READ filter        WRITE setFilter        )
     Q_PROPERTY( QString  buttonText  READ buttonText  WRITE setButtonText    )
 
 public:
     enum Mode { File, Directory };
+    enum AcceptMode { AcceptOpen, AcceptSave };
 
     FileChooser ( QWidget * parent = 0 );
     virtual ~FileChooser();
@@ -169,6 +172,19 @@ public:
     */
     QString buttonText() const;
 
+    /**
+     * Sets the accept mode.
+     */
+    void setAcceptMode(AcceptMode mode) {
+        accMode = mode;
+    }
+    /**
+     * Returns the accept mode.
+     */
+    AcceptMode acceptMode() const {
+        return accMode;
+    }
+
 public Q_SLOTS:
     virtual void setFileName( const QString &fn );
     virtual void setMode( Mode m );
@@ -192,6 +208,7 @@ private:
     QFileSystemModel *fs_model;
     QPushButton *button;
     Mode md;
+    AcceptMode accMode;
     QString _filter;
 };