feat(mv): add files to history for a nicer use

plugins/MatrixVisualizer/MatrixVisualizer.cpp

 #include "MatrixVisualizer.hpp"
 
 #include "Configuration.hpp"
+#include "common/Session.hpp"
 #include <QFileDialog>
 
+#define SESSION_FILENAME( fname ) QString::fromStdString( "plugins/mv/files/" + fname )
+
 Matrix_visualizer*  Matrix_visualizer::s_plugin = nullptr;
 SymbolParser        Matrix_visualizer::s_symbol_parser;
 OrderParser         Matrix_visualizer::s_order_parser;
@@ -23,14 +26,31 @@ Matrix_visualizer* Matrix_visualizer::get_instance()
     return s_plugin;
 }
 
+void
+Matrix_visualizer::set_line_edit_defaults( QLineEdit *le, std::string name, std::string def_name )
+{
+    Session &s = Session::getSession();
+    QString lineedit_fname;
+    QString session_fname;
+
+    session_fname = SESSION_FILENAME( name );
+    if (s.contains( session_fname ) ) {
+        lineedit_fname = s.value( session_fname ).toString();
+    }
+    else {
+        lineedit_fname = QString::fromStdString(def_name);
+    }
+    le->setText( lineedit_fname );
+}
+
 // Plugin implementation itself
 Matrix_visualizer::Matrix_visualizer() {
     setupUi(this);
-
     s_plugin = this;
 
-    // For windows dev (pc: orange)
-    this->line_edit_symbol->setText("/home/mathieu/1-PaStiX/pastix/build/symbol_rank");
+    set_line_edit_defaults( this->line_edit_symbol, "symbol", "symbol.sps" );
+    set_line_edit_defaults( this->line_edit_order,  "order",  "order.ord"  );
+    set_line_edit_defaults( this->line_edit_values, "values", "values.txt" );
 }
 
 Matrix_visualizer::~Matrix_visualizer(){
@@ -54,6 +74,8 @@ std::string Matrix_visualizer::get_name(){
 
 int Matrix_visualizer::update_matrix( QString filepath )
 {
+    Session &s = Session::getSession();
+
     symbol_matrix_t *new_matrix;
 
     // Check if there is a symbol file
@@ -72,6 +94,7 @@ int Matrix_visualizer::update_matrix( QString filepath )
         Helper::log(LogStatus::FATAL, "Parsed matrix is empty");
         return -1;
     }
+    s.setValue( "plugins/mv/files/symbol", filepath );
 
     if ( s_matrix != nullptr ) {
         symbol_matrix_deinit( s_matrix );
@@ -209,14 +232,24 @@ void Matrix_visualizer::set_infos(const char* format, va_list ap)
  **********************/
 void Matrix_visualizer::on_tool_button_symbol_clicked()
 {
-    QString symbol_filepath = QFileDialog::getOpenFileName(s_plugin, tr("Open file"), "C://");
+    QString symbol_filepath = QFileDialog::getOpenFileName( s_plugin, tr("Open file"),
+                                                            s_plugin->line_edit_symbol->text() );
 
     s_plugin->line_edit_symbol->setText(symbol_filepath);
 }
 
+void Matrix_visualizer::on_tool_button_order_clicked()
+{
+    QString order_filepath = QFileDialog::getOpenFileName( s_plugin, tr("Open file"),
+                                                            s_plugin->line_edit_order->text() );
+
+    s_plugin->line_edit_order->setText(order_filepath);
+}
+
 void Matrix_visualizer::on_tool_button_values_clicked()
 {
-    QString values_filepath = QFileDialog::getOpenFileName(s_plugin, tr("Open file"), "C://");
+    QString values_filepath = QFileDialog::getOpenFileName( s_plugin, tr("Open file"),
+                                                            s_plugin->line_edit_values->text() );
 
     s_plugin->line_edit_values->setText(values_filepath);
 }

plugins/MatrixVisualizer/MatrixVisualizer.hpp

@@ -34,12 +34,14 @@ private:
     int update_values( QString filepath );
 
     void connect_widgets();
+    void set_line_edit_defaults( QLineEdit *le, std::string name, std::string def_name );
 
 public slots:
     void execute();
 
 private slots:
     static void on_tool_button_symbol_clicked();
+    static void on_tool_button_order_clicked();
     static void on_tool_button_values_clicked();
     static void on_tool_button_infos_clicked();
     static void on_tool_button_logs_clicked();