Added AppSettings and TempAPI classes.

src/CMakeLists.txt

@@ -42,11 +42,15 @@ set(SOURCE_FILES
         apis/api.h
         apis/googleapi.cpp
         apis/googleapi.h
+        apis/tempapi.cpp
+        apis/tempapi.h
         dialogs/settingsdialog.cpp
         dialogs/settingsdialog.h
         dialogs/settingsdialog.ui
         utils/apisettings.cpp
         utils/apisettings.h
+        utils/appsettings.cpp
+        utils/appsettings.h
         utils/language.cpp
         utils/language.h
         utils/requestmanager.cpp

src/apis/tempapi.cpp

@@ -0,0 +1,38 @@
+#include "tempapi.h"
+
+TempAPI::TempAPI(QObject *parent)
+        : QObject(parent) {
+}
+
+TempAPI::~TempAPI() {
+}
+
+QString TempAPI::translate(const QString &input,
+                           const QString &sourceLanguage,
+                           const QString &targetLanguage) const {
+    if (input.isEmpty()) {
+        return QString();
+    }
+
+    QSettings settings;
+    QString key = settings.value("temp/key").toString();
+    QString format = settings.value("temp/format").toString();
+
+    QString translation = "Some translation.";
+
+    return translation;
+}
+
+QStringList TempAPI::getSupportedLanguages() const {
+    QSettings settings;
+    QString key = settings.value("temp/key").toString();
+
+    QStringList languagesList;
+
+    languagesList.append("en");
+    languagesList.append("fr");
+    languagesList.append("de");
+    languagesList.append("lt");
+
+    return languagesList;
+}

src/apis/tempapi.h

@@ -0,0 +1,44 @@
+#ifndef INSTANT_TRANSLATOR_TEMPAPI_H
+#define INSTANT_TRANSLATOR_TEMPAPI_H
+
+#include <QObject>
+#include <QSettings>
+#include "api.h"
+
+/**
+ * Temporary API implementation class.
+ */
+class TempAPI : public QObject, public API {
+Q_OBJECT
+Q_INTERFACES(API)
+public:
+    /**
+     * Constructs an object with parent object parent.
+     * @param parent Parent of an object may be viewed as the object's owner.
+     */
+    explicit TempAPI(QObject *parent = nullptr);
+
+    /**
+     * Destructor.
+     */
+    ~TempAPI() override;
+
+    /**
+     * Translate given input.
+     * @param input Input string.
+     * @param sourceLanguage Source language code.
+     * @param targetLanguage Target language code.
+     * @return Translated string.
+     */
+    QString translate(const QString &input,
+                      const QString &sourceLanguage,
+                      const QString &targetLanguage) const override;
+
+    /**
+     * Get supported languages.
+     * @return Supported languages string list.
+     */
+    QStringList getSupportedLanguages() const override;
+};
+
+#endif // INSTANT_TRANSLATOR_TEMPAPI_H

src/dialogs/settingsdialog.cpp

@@ -1,75 +1,76 @@
 #include "settingsdialog.h"
 #include "ui_settingsdialog.h"
 
-SettingsDialog::SettingsDialog(QWidget *parent) :
+SettingsDialog::SettingsDialog(QWidget *parent, AppSettings *appSettings) :
         QDialog(parent),
-        ui(new Ui::SettingsDialog) {
+        ui(new Ui::SettingsDialog),
+        appSettings(appSettings) {
     ui->setupUi(this);
 
-    APISettings *googleAPISettings = new APISettings(this, "google", "Google Translate API");
-    googleAPISettings->readSettings();
-    apiSettingsList.append(googleAPISettings);
-
-    APISettings *tempAPISettings = new APISettings(this, "temp", "Temp");
-    tempAPISettings->readSettings();
-    apiSettingsList.append(tempAPISettings);
-
-    for (int i = 0; i < apiSettingsList.count(); ++i) {
-        QListWidgetItem *listWidgetItem = new QListWidgetItem(apiSettingsList.at(i)->getFullName());
-        apiSettingsListWidgetItemList.append(listWidgetItem);
-        ui->apisListWidget->addItem(listWidgetItem);
-    }
+    loadSettings();
 }
 
 SettingsDialog::~SettingsDialog() {
     delete ui;
 }
 
+void SettingsDialog::setAppSettings(AppSettings *appSettings) {
+    this->appSettings = appSettings;
+    loadSettings();
+}
+
 void SettingsDialog::on_apisListWidget_currentItemChanged(QListWidgetItem *current, QListWidgetItem *previous) {
     int currentIndex = apiSettingsListWidgetItemList.indexOf(current);
 
     if (currentIndex >= 0) {
-        APISettings *apiSettings = apiSettingsList.at(currentIndex);
+        APISettings *apiSettings = appSettings->getApiSettingsList().at(currentIndex);
         ui->apiKeyLineEdit->setText(apiSettings->getApiKey());
         ui->defaultSourceLanguageLineEdit->setText(apiSettings->getDefaultSourceLanguage());
         ui->defaultTargetLanguageLineEdit->setText(apiSettings->getDefaultTargetLanguage());
     }
 }
 
 void SettingsDialog::on_settingsButtonBox_accepted() {
-    save();
+    saveSettings();
 }
 
-void SettingsDialog::on_apiKeyLineEdit_textChanged() {
-    int currentIndex = apiSettingsListWidgetItemList.indexOf(ui->apisListWidget->currentItem());
-
-    if (currentIndex >= 0) {
-        APISettings *apiSettings = apiSettingsList.at(currentIndex);
-        apiSettings->setApiKey(ui->apiKeyLineEdit->text());
+void SettingsDialog::on_settingsButtonBox_clicked(QAbstractButton *button) {
+    if ((QPushButton *) button == ui->settingsButtonBox->button(QDialogButtonBox::Apply)) {
+        saveSettings();
     }
 }
 
-void SettingsDialog::on_defaultSourceLanguageLineEdit_textChanged() {
+void SettingsDialog::saveSettings() {
     int currentIndex = apiSettingsListWidgetItemList.indexOf(ui->apisListWidget->currentItem());
 
     if (currentIndex >= 0) {
-        APISettings *apiSettings = apiSettingsList.at(currentIndex);
+        APISettings *apiSettings = appSettings->getApiSettingsList().at(currentIndex);
+        apiSettings->setApiKey(ui->apiKeyLineEdit->text());
         apiSettings->setDefaultSourceLanguage(ui->defaultSourceLanguageLineEdit->text());
+        apiSettings->setDefaultTargetLanguage(ui->defaultTargetLanguageLineEdit->text());
     }
-}
 
-void SettingsDialog::on_defaultTargetLanguageLineEdit_textChanged() {
-    int currentIndex = apiSettingsListWidgetItemList.indexOf(ui->apisListWidget->currentItem());
+    int defaultApiIndex = ui->defaultApiComboBox->currentIndex();
+    QString defaultApiName = appSettings->getApiSettingsList().at(defaultApiIndex)->getName();
+    appSettings->setDefaultApi(defaultApiName);
+
+    appSettings->save();
 
-    if (currentIndex >= 0) {
-        APISettings *apiSettings = apiSettingsList.at(currentIndex);
-        apiSettings->setDefaultTargetLanguage(ui->defaultTargetLanguageLineEdit->text());
-    }
 }
 
-void SettingsDialog::save() {
-    for (int i = 0; i < apiSettingsList.count(); ++i) {
-        APISettings *apiSettings = apiSettingsList.at(i);
-        apiSettings->writeSettings();
+void SettingsDialog::loadSettings() {
+    for (int i = 0; i < appSettings->getApiSettingsList().count(); ++i) {
+        APISettings *apiSettings = appSettings->getApiSettingsList().at(i);
+
+        QListWidgetItem *listWidgetItem = new QListWidgetItem(apiSettings->getFullName());
+        apiSettingsListWidgetItemList.append(listWidgetItem);
+        ui->apisListWidget->addItem(listWidgetItem);
+
+        ui->defaultApiComboBox->addItem(apiSettings->getFullName());
+        QSettings settings;
+        QString defaultApiName = settings.value("default_api").toString();
+        if (apiSettings->getName() == defaultApiName) {
+            ui->defaultApiComboBox->setCurrentIndex(i);
+        }
     }
 }

src/dialogs/settingsdialog.h

@@ -3,7 +3,10 @@
 
 #include <QDialog>
 #include <QListWidgetItem>
+#include <QAbstractButton>
+#include <QSettings>
 #include "utils/apisettings.h"
+#include "utils/appsettings.h"
 
 namespace Ui {
     class SettingsDialog;
@@ -19,14 +22,21 @@ Q_OBJECT
     /**
      * Constructs an object with parent object parent.
      * @param parent Parent of an object may be viewed as the object's owner.
+     * @param appSettings App settings.
      */
-    explicit SettingsDialog(QWidget *parent = nullptr);
+    SettingsDialog(QWidget *parent, AppSettings *appSettings);
 
     /**
      * Destructor.
      */
     ~SettingsDialog();
 
+    /**
+     * Set App settings.
+     * @param appSettings App settings.
+     */
+    void setAppSettings(AppSettings *appSettings);
+
 private slots:
 
     /**
@@ -42,28 +52,24 @@ private slots:
     void on_settingsButtonBox_accepted();
 
     /**
-     * On apiKeyLineEdit is text changed.
-     */
-    void on_apiKeyLineEdit_textChanged();
-
-    /**
-     * On apiKeyLineEdit is text changed.
+     * On settingsButtonBox is clicked;
+     * @param button Button.
      */
-    void on_defaultSourceLanguageLineEdit_textChanged();
+    void on_settingsButtonBox_clicked(QAbstractButton *button);
 
+private:
     /**
-     * On apiKeyLineEdit is text changed.
+     * Save settings data.
      */
-    void on_defaultTargetLanguageLineEdit_textChanged();
+    void saveSettings();
 
-private:
     /**
-     * Save settings data.
+     * Load appSettings.
      */
-    void save();
+    void loadSettings();
 
     Ui::SettingsDialog *ui;
-    QList<APISettings *> apiSettingsList;
+    AppSettings *appSettings;
     QList<QListWidgetItem *> apiSettingsListWidgetItemList;
 };
 

src/dialogs/settingsdialog.ui

@@ -26,7 +26,7 @@
     <enum>Qt::Horizontal</enum>
    </property>
    <property name="standardButtons">
-    <set>QDialogButtonBox::Close|QDialogButtonBox::Ok</set>
+    <set>QDialogButtonBox::Apply|QDialogButtonBox::Close|QDialogButtonBox::Ok</set>
    </property>
   </widget>
   <widget class="QGroupBox" name="apiGroupBox">