Catch exceptions in lite parsing.

--HG--
branch : develop

src/app/mainwindow.cpp

@@ -89,6 +89,7 @@ MainWindow::MainWindow(QWidget *parent)
 
     doc = new VPattern(pattern, comboBoxDraws, &mode);
     connect(doc, &VPattern::patternChanged, this, &MainWindow::PatternWasModified);
+    connect(doc, &VPattern::ClearMainWindow, this, &MainWindow::Clear);
 
     InitAutoSave();
 
@@ -1291,6 +1292,7 @@ void MainWindow::Clear()
     setCurrentFile("");
     pattern->Clear();
     doc->clear();
+    doc->setPatternModified(false);
     sceneDraw->clear();
     sceneDetails->clear();
     CancelTool();

src/app/mainwindow.h

@@ -128,6 +128,7 @@ public slots:
 
     void               ShowToolTip(const QString &toolTip);
     void               OpenRecentFile();
+    void               Clear();
 signals:
     /**
      * @brief ModelChosen emit after calculation all details.
@@ -139,7 +140,6 @@ protected:
     virtual void       keyPressEvent ( QKeyEvent * event );
     virtual void       showEvent( QShowEvent *event );
     virtual void       closeEvent( QCloseEvent * event );
-    void               Clear();
 private:
     Q_DISABLE_COPY(MainWindow)
     /** @brief ui keeps information about user interface */

src/app/xml/vpattern.cpp

@@ -40,6 +40,7 @@
 
 #include <QMessageBox>
 #include "../../libs/qmuparser/qmuparsererror.h"
+#include <exception/vexceptionemptyparameter.h>
 
 const QString VPattern::TagPattern      = QStringLiteral("pattern");
 const QString VPattern::TagCalculation  = QStringLiteral("calculation");
@@ -556,11 +557,47 @@ bool VPattern::SaveDocument(const QString &fileName)
 //---------------------------------------------------------------------------------------------------------------------
 void VPattern::FullUpdateTree()
 {
-    VMainGraphicsScene *scene = new VMainGraphicsScene();
+    VMainGraphicsScene *scene = nullptr;
     try
     {
+        scene = new VMainGraphicsScene();
         Parse(Document::LiteParse, scene, scene);
     }
+    catch (const VExceptionObjectError &e)
+    {
+        delete scene;
+        e.CriticalMessageBox(tr("Error parsing file."));
+        emit ClearMainWindow();
+        return;
+    }
+    catch (const VExceptionConversionError &e)
+    {
+        delete scene;
+        e.CriticalMessageBox(tr("Error can't convert value."));
+        emit ClearMainWindow();
+        return;
+    }
+    catch (const VExceptionEmptyParameter &e)
+    {
+        delete scene;
+        e.CriticalMessageBox(tr("Error empty parameter."));
+        emit ClearMainWindow();
+        return;
+    }
+    catch (const VExceptionWrongId &e)
+    {
+        delete scene;
+        e.CriticalMessageBox(tr("Error wrong id."));
+        emit ClearMainWindow();
+        return;
+    }
+    catch (VException &e)
+    {
+        delete scene;
+        e.CriticalMessageBox(tr("Error parsing file."));
+        emit ClearMainWindow();
+        return;
+    }
     catch (const std::bad_alloc &)
     {
         delete scene;
@@ -572,13 +609,9 @@ void VPattern::FullUpdateTree()
         msgBox.setDefaultButton(QMessageBox::Ok);
         msgBox.setIcon(QMessageBox::Warning);
         msgBox.exec();
+        emit ClearMainWindow();
         return;
     }
-    catch (...)
-    {
-        delete scene;
-        throw;
-    }
 
     delete scene;
     setCurrentData();

src/app/xml/vpattern.h

@@ -236,6 +236,7 @@ signals:
      * @param id tool id.
      */
     void           ChangedCursor(quint32 id);
+    void           ClearMainWindow();
 public slots:
     /**
      * @brief FullUpdateTree lite parse file.