Change in function open and new. Open try open file and if he lose will show

error message. After that clear area. Open will open new window.

exception/vexceptionemptyparameter.cpp

@@ -23,8 +23,8 @@
 #include <QDebug>
 
 VExceptionEmptyParameter::VExceptionEmptyParameter(const QString &what, const QString &name,
-                                                   const QDomElement &domElement): VException(what), name(name),
+                                                   const QDomElement &domElement): VException(what),
-    tagText(QString()), tagName(QString()), lineNumber(-1){
+    name(name), tagText(QString()), tagName(QString()), lineNumber(-1){
     Q_ASSERT_X(!domElement.isNull(), Q_FUNC_INFO, "domElement is null");
     Q_ASSERT_X(!name.isEmpty(), Q_FUNC_INFO, "Parameter name is empty");
     if(domElement.isText()){
@@ -36,7 +36,7 @@ VExceptionEmptyParameter::VExceptionEmptyParameter(const QString &what, const QS
 }
 
 VExceptionEmptyParameter::VExceptionEmptyParameter(const VExceptionEmptyParameter &e):VException(e),
-    name(e.Name()), tagName(e.TagName()), tagText(e.TagText()), lineNumber(e.LineNumber()){
+    name(e.Name()), tagText(e.TagText()), tagName(e.TagName()), lineNumber(e.LineNumber()){
 }
 
 QString VExceptionEmptyParameter::ErrorMessage() const{

main.cpp

@@ -64,7 +64,29 @@ int main(int argc, char *argv[]){
     TableWindow table;
     QObject::connect(&w, &MainWindow::ModelChosen, &table, &TableWindow::ModelChosen);
     QObject::connect(&table, &TableWindow::closed, &w, &MainWindow::tableClosed);
-    w.show();
 
+    const QStringList args = app.arguments();
+    QString fileName;
+    QRegExp rxArgOpenFile("-o");//parameter open file
+
+    if(args.size()>1){
+        for (int i = 1; i < args.size(); ++i) {
+            if (rxArgOpenFile.indexIn(args.at(i)) != -1 ) {
+                if(args.at(i+1).isEmpty() == false){
+                    fileName =  args.at(i+1);
+                    qDebug() << args.at(i)<< ":" << fileName;
+                    w.OpenPattern(fileName);
+                }
+                w.show();
+                break;
+            } else {
+                qDebug() << "Uknown arg:" << args.at(i);
+                w.show();
+                break;
+            }
+        }
+    } else {
+        w.show();
+    }
     return app.exec();
 }

mainwindow.cpp

@@ -737,104 +737,19 @@ void MainWindow::ActionOpen(){
     QString fName = QFileDialog::getOpenFileName(this, tr("Open file"), QDir::homePath(), filter);
     if(fName.isEmpty())
         return;
-    QFile file(fName);
+    if(fileName.isEmpty() && changeInFile == false){
-    QString errorMsg;
+        OpenPattern(fName);
-    qint32 errorLine = 0;
+    } else {
-    qint32 errorColumn = 0;
+        /*Open new copy application*/
-    if(file.open(QIODevice::ReadOnly)){
+        QProcess *v = new QProcess(this);
-        if(doc->setContent(&file, &errorMsg, &errorLine, &errorColumn)){
+        QStringList arguments;
-            disconnect(comboBoxDraws,  static_cast<void (QComboBox::*)(int)>(&QComboBox::currentIndexChanged),
+        arguments << "-o" << fName;
-                    this, &MainWindow::currentDrawChanged);
+        v->startDetached(QCoreApplication::applicationFilePath (), arguments);
-            try{
+        delete v;
-            doc->Parse(Document::FullParse, sceneDraw, sceneDetails);
-            }
-            catch(const VExceptionObjectError &e){
-                QMessageBox msgBox;
-                msgBox.setWindowTitle(tr("Error!"));
-                msgBox.setText(tr("Error parsing file."));
-                msgBox.setInformativeText(e.ErrorMessage());
-                msgBox.setStandardButtons(QMessageBox::Ok);
-                msgBox.setDefaultButton(QMessageBox::Ok);
-                msgBox.setDetailedText(e.DetailedInformation());
-                msgBox.setIcon(QMessageBox::Critical);
-                msgBox.exec();
-                file.close();
-                return;
-            }
-            catch(const VExceptionConversionError &e){
-                QMessageBox msgBox;
-                msgBox.setWindowTitle(tr("Error!"));
-                msgBox.setText(tr("Error can't convert value."));
-                msgBox.setInformativeText(e.ErrorMessage());
-                msgBox.setStandardButtons(QMessageBox::Ok);
-                msgBox.setDefaultButton(QMessageBox::Ok);
-                msgBox.setIcon(QMessageBox::Critical);
-                msgBox.exec();
-                file.close();
-                return;
-            }
-            catch(const VExceptionEmptyParameter &e){
-                QMessageBox msgBox;
-                msgBox.setWindowTitle(tr("Error!"));
-                msgBox.setText(tr("Error empty parameter."));
-                msgBox.setInformativeText(e.ErrorMessage());
-                msgBox.setStandardButtons(QMessageBox::Ok);
-                msgBox.setDefaultButton(QMessageBox::Ok);
-                msgBox.setDetailedText(e.DetailedInformation());
-                msgBox.setIcon(QMessageBox::Critical);
-                msgBox.exec();
-                file.close();
-                return;
-            }
-            catch(const VExceptionWrongParameterId &e){
-                QMessageBox msgBox;
-                msgBox.setWindowTitle(tr("Error!"));
-                msgBox.setText(tr("Error wrong id."));
-                msgBox.setInformativeText(e.ErrorMessage());
-                msgBox.setStandardButtons(QMessageBox::Ok);
-                msgBox.setDefaultButton(QMessageBox::Ok);
-                msgBox.setDetailedText(e.DetailedInformation());
-                msgBox.setIcon(QMessageBox::Critical);
-                msgBox.exec();
-                file.close();
-                return;
-            }
-            connect(comboBoxDraws,  static_cast<void (QComboBox::*)(int)>(&QComboBox::currentIndexChanged),
-                    this, &MainWindow::currentDrawChanged);
-            QString nameDraw = doc->GetNameActivDraw();
-            qint32 index = comboBoxDraws->findText(nameDraw);
-            if ( index != -1 ) { // -1 for not found
-                comboBoxDraws->setCurrentIndex(index);
-            }
-            if(comboBoxDraws->count() > 0){
-                SetEnableTool(true);
-            } else {
-                SetEnableTool(false);
-            }
-            SetEnableWidgets(true);
-        } else {
-            QMessageBox msgBox;
-            msgBox.setWindowTitle(tr("Error!"));
-            msgBox.setText(tr("Error parsing pattern file."));
-            msgBox.setInformativeText(errorMsg);
-            msgBox.setStandardButtons(QMessageBox::Ok);
-            msgBox.setDefaultButton(QMessageBox::Ok);
-            QString error = QString(tr("Error in line %1 column %2")).arg(errorLine, errorColumn);
-            msgBox.setDetailedText(error);
-            msgBox.exec();
-            file.close();
-            return;
-        }
-        file.close();
     }
-    fileName = fName;
-    QFileInfo info(fileName);
-    QString title(info.fileName());
-    title.append("-Valentina");
-    setWindowTitle(title);
 }
 
-void MainWindow::ActionNew(){
+void MainWindow::Clear(){
     setWindowTitle("Valentina");
     fileName.clear();
     data->Clear();
@@ -849,9 +764,16 @@ void MainWindow::ActionNew(){
     SetEnableTool(false);
 }
 
+void MainWindow::ActionNew(){
+    QProcess *v = new QProcess(this);
+    v->startDetached(QCoreApplication::applicationFilePath ());
+    delete v;
+}
+
 void MainWindow::haveChange(){
     if(!fileName.isEmpty()){
         ui->actionSave->setEnabled(true);
+        changeInFile = true;
     }
 }
 
@@ -961,3 +883,110 @@ MainWindow::~MainWindow(){
         delete doc;
     }
 }
+
+void MainWindow::OpenPattern(const QString &fileName){
+    if(fileName.isEmpty()){
+        qWarning()<<tr("Can't open pattern file. File name empty")<<Q_FUNC_INFO;
+        return;
+    }
+    QFile file(fileName);
+    QString errorMsg;
+    qint32 errorLine = 0;
+    qint32 errorColumn = 0;
+    if(file.open(QIODevice::ReadOnly)){
+        if(doc->setContent(&file, &errorMsg, &errorLine, &errorColumn)){
+            disconnect(comboBoxDraws,  static_cast<void (QComboBox::*)(int)>(&QComboBox::currentIndexChanged),
+                    this, &MainWindow::currentDrawChanged);
+            try{
+            doc->Parse(Document::FullParse, sceneDraw, sceneDetails);
+            }
+            catch(const VExceptionObjectError &e){
+                QMessageBox msgBox;
+                msgBox.setWindowTitle(tr("Error!"));
+                msgBox.setText(tr("Error parsing file."));
+                msgBox.setInformativeText(e.ErrorMessage());
+                msgBox.setStandardButtons(QMessageBox::Ok);
+                msgBox.setDefaultButton(QMessageBox::Ok);
+                msgBox.setDetailedText(e.DetailedInformation());
+                msgBox.setIcon(QMessageBox::Critical);
+                msgBox.exec();
+                file.close();
+                Clear();
+                return;
+            }
+            catch(const VExceptionConversionError &e){
+                QMessageBox msgBox;
+                msgBox.setWindowTitle(tr("Error!"));
+                msgBox.setText(tr("Error can't convert value."));
+                msgBox.setInformativeText(e.ErrorMessage());
+                msgBox.setStandardButtons(QMessageBox::Ok);
+                msgBox.setDefaultButton(QMessageBox::Ok);
+                msgBox.setIcon(QMessageBox::Critical);
+                msgBox.exec();
+                file.close();
+                Clear();
+                return;
+            }
+            catch(const VExceptionEmptyParameter &e){
+                QMessageBox msgBox;
+                msgBox.setWindowTitle(tr("Error!"));
+                msgBox.setText(tr("Error empty parameter."));
+                msgBox.setInformativeText(e.ErrorMessage());
+                msgBox.setStandardButtons(QMessageBox::Ok);
+                msgBox.setDefaultButton(QMessageBox::Ok);
+                msgBox.setDetailedText(e.DetailedInformation());
+                msgBox.setIcon(QMessageBox::Critical);
+                msgBox.exec();
+                file.close();
+                Clear();
+                return;
+            }
+            catch(const VExceptionWrongParameterId &e){
+                QMessageBox msgBox;
+                msgBox.setWindowTitle(tr("Error!"));
+                msgBox.setText(tr("Error wrong id."));
+                msgBox.setInformativeText(e.ErrorMessage());
+                msgBox.setStandardButtons(QMessageBox::Ok);
+                msgBox.setDefaultButton(QMessageBox::Ok);
+                msgBox.setDetailedText(e.DetailedInformation());
+                msgBox.setIcon(QMessageBox::Critical);
+                msgBox.exec();
+                file.close();
+                Clear();
+                return;
+            }
+            connect(comboBoxDraws,  static_cast<void (QComboBox::*)(int)>(&QComboBox::currentIndexChanged),
+                    this, &MainWindow::currentDrawChanged);
+            QString nameDraw = doc->GetNameActivDraw();
+            qint32 index = comboBoxDraws->findText(nameDraw);
+            if ( index != -1 ) { // -1 for not found
+                comboBoxDraws->setCurrentIndex(index);
+            }
+            if(comboBoxDraws->count() > 0){
+                SetEnableTool(true);
+            } else {
+                SetEnableTool(false);
+            }
+            SetEnableWidgets(true);
+        } else {
+            QMessageBox msgBox;
+            msgBox.setWindowTitle(tr("Error!"));
+            msgBox.setText(tr("Error parsing pattern file."));
+            msgBox.setInformativeText(errorMsg);
+            msgBox.setStandardButtons(QMessageBox::Ok);
+            msgBox.setDefaultButton(QMessageBox::Ok);
+            QString error = QString(tr("Error in line %1 column %2")).arg(errorLine, errorColumn);
+            msgBox.setDetailedText(error);
+            msgBox.exec();
+            file.close();
+            Clear();
+            return;
+        }
+        file.close();
+    }
+    this->fileName = fileName;
+    QFileInfo info(fileName);
+    QString title(info.fileName());
+    title.append("-Valentina");
+    setWindowTitle(title);
+}

mainwindow.h

@@ -49,6 +49,7 @@ class MainWindow : public QMainWindow
 public:
     explicit           MainWindow(QWidget *parent = 0);
                        ~MainWindow();
+    void               OpenPattern(const QString &fileName);
 public slots:
     void               mouseMove(QPointF scenePos);
     void               ActionAroowTool();
@@ -107,6 +108,7 @@ signals:
 protected:
     virtual void       keyPressEvent ( QKeyEvent * event );
     virtual void       showEvent( QShowEvent *event );
+    void               Clear();
 private:
     Ui::MainWindow     *ui;
     Tools::Enum        tool;