Настройка сервера в кнопке Настройки

InstructorsAndTrainees/dialogsettings.cpp

@@ -1,21 +1,66 @@
 #include "dialogsettings.h"
 #include "ui_dialogsettings.h"
+#include "tools.h"
+#include <QFile>
+#include <QXmlStreamReader>
+#include <QRegExpValidator>
 
-DialogSettings::DialogSettings(QWidget *parent) :
+DialogSettings::DialogSettings(bool serverIsConnected, QWidget *parent) :
     QDialog(parent),
-    ui(new Ui::DialogSettings)
+    ui(new Ui::DialogSettings),
+    settings(nullptr)
 {
     ui->setupUi(this);
-
     ui->btnUpdateStyle->setObjectName("btnUpdateStyle");
+    ui->btnSave->setObjectName("btnSave");
+
+
+    /* Создаем строку для регулярного выражения */
+    QString ipRange = "(?:[0-1]?[0-9]?[0-9]|2[0-4][0-9]|25[0-5])";
+    /* Создаем регулярное выражение с применением строки, как
+     * повторяющегося элемента
+     */
+    QRegExp ipRegex ("^" + ipRange
+                     + "\\." + ipRange
+                     + "\\." + ipRange
+                     + "\\." + ipRange + "$");
+    /* Создаем Валидатор регулярного выражения с применением
+     * созданного регулярного выражения
+     */
+    QRegExpValidator *ipValidator = new QRegExpValidator(ipRegex, this);
+    /* Устанавливаем Валидатор на QLineEdit */
+    ui->editAddress->setValidator(ipValidator);
+
+
+    settings = new ServerSettings;
 
     //Задаём два пункта с текстом локалей в комбобоксе
     ui->cmbLanguage->addItems(QStringList() << "English" << "Русский");
+
+    if(loadSettings())
+    {
+        if(settings->Language == "ENG")
+            ui->cmbLanguage->setCurrentText("English");
+        else
+            ui->cmbLanguage->setCurrentText("Русский");
+
+        ui->editAddress->setText(settings->Address);
+        ui->editPort->setText(settings->Port);
+        ui->checkAutoStart->setChecked(settings->isAutoStart);
+    }
+
+    if(serverIsConnected)
+    {
+        ui->editAddress->setEnabled(false);
+        ui->editPort->setEnabled(false);
+        ui->checkAutoStart->setEnabled(false);
+    }
 }
 
 DialogSettings::~DialogSettings()
 {
     delete ui;
+    delete settings;
 }
 
 void DialogSettings::changeEvent(QEvent *event)
@@ -29,17 +74,128 @@ void DialogSettings::changeEvent(QEvent *event)
 
 void DialogSettings::on_cmbLanguage_currentIndexChanged(const QString &arg1)
 {
-    QString language;
 
-    if(arg1 == QStringLiteral("English"))
-        language = QString("en_EN");
-    else
-        language = QString("ru_RU");
-
-    emit signal_LanguageChanged(language);
 }
 
 void DialogSettings::on_btnUpdateStyle_clicked()
 {
     emit signal_UpdateStyleSheet();
 }
+
+bool DialogSettings::loadSettings()
+{
+    QFile file(settingsName);
+    if(! file.open(QIODevice::ReadOnly))
+        return false;
+
+    QXmlStreamReader xmlReader(&file);
+
+    while (!xmlReader.atEnd()){
+
+        if(xmlReader.isStartElement()){
+
+            if(xmlReader.name() == "ServerSettings")
+            {
+
+                foreach(const QXmlStreamAttribute &attr, xmlReader.attributes()){
+                    QString name = attr.name().toString();
+                    QString value = attr.value().toString();
+
+                    if(name == "Address"){
+                        settings->Address = value;
+                    }
+
+                    if(name == "Port"){
+                        settings->Port = value;
+                    }
+
+                    if(name == "Language"){
+                        settings->Language = value;
+                    }
+
+                    if(name == "AutoStart"){
+                        settings->isAutoStart = value.toInt();
+                    }
+
+                }
+            }
+        }
+
+        xmlReader.readNext();
+    }
+
+    file.close();
+
+    return true;
+}
+
+bool DialogSettings::saveSettings()
+{
+    QFile file(settingsName);
+
+    if(! file.open(QIODevice::WriteOnly))
+        return false;
+
+    QXmlStreamWriter xmlWriter(&file);
+
+    xmlWriter.setAutoFormatting(true);
+    xmlWriter.writeStartDocument();
+
+    xmlWriter.writeStartElement("ServerSettingsContainer");
+    xmlWriter.writeStartElement("ServerSettings");
+
+    xmlWriter.writeAttribute("Address", settings->Address);
+    xmlWriter.writeAttribute("Port", settings->Port);
+    xmlWriter.writeAttribute("Language", settings->Language);
+    xmlWriter.writeAttribute("AutoStart", QString::number(settings->isAutoStart));
+
+    xmlWriter.writeEndElement();
+    xmlWriter.writeEndElement();
+
+    xmlWriter.writeEndDocument();
+
+    file.close();
+
+    return true;
+}
+
+void DialogSettings::on_btnSave_clicked()
+{
+    if(ui->cmbLanguage->currentText() == QStringLiteral("English"))
+    {
+        settings->Language = "ENG";
+    }
+    else
+    {
+        settings->Language = "RUS";
+    }
+
+    settings->Address = ui->editAddress->text();
+    settings->Port = ui->editPort->text();
+    settings->isAutoStart = ui->checkAutoStart->isChecked();
+
+    saveSettings();
+
+    QString language;
+
+    if(settings->Language == "ENG")
+        language = QString("en_EN");
+    else
+        language = QString("ru_RU");
+
+    emit signal_LanguageChanged(language);
+
+    this->close();
+}
+
+void DialogSettings::on_DialogSettings_rejected()
+{
+    QString language;
+
+    if(settings->Language == "ENG")
+        language = QString("en_EN");
+    else
+        language = QString("ru_RU");
+
+    emit signal_LanguageChanged(language);
+}