Work on models and many other things.

resources/misc/db_init.sql

@@ -21,13 +21,13 @@ DROP TABLE IF EXISTS Feeds;
 -- !
 CREATE TABLE IF NOT EXISTS Feeds (
   id             INTEGER    PRIMARY KEY,
-  title          TEXT       NOT NULL UNIQUE CHECK (title != ''),
+  title          TEXT       NOT NULL CHECK (title != ''),
   description    TEXT,
   date_created   TEXT       NOT NULL CHECK (date_created != ''),
   icon           BLOB,
   category       INTEGER    NOT NULL CHECK (category >= -1),
   encoding       TEXT       NOT NULL CHECK (encoding != ''),
-  url            TEXT       NOT NULL CHECK (url != ''),
+  url            TEXT       NOT NULL UNIQUE CHECK (url != ''),
   type           INTEGER    NOT NULL
 );
 -- !
@@ -35,16 +35,16 @@ DROP TABLE IF EXISTS Messages;
 -- !
 CREATE TABLE IF NOT EXISTS Messages (
   id             INTEGER    PRIMARY KEY,
+  feed           INTEGER    NOT NULL,
   title          TEXT       NOT NULL CHECK (title != ''),
-  owner          INTEGER    NOT NULL,
   url            TEXT,
   author         TEXT,
   date_created   TEXT       NOT NULL CHECK (date_created != ''),
   date_updated   TEXT,
-  contents       TEXT,
   read           INTEGER(1) NOT NULL CHECK (read >= 0 AND read <= 1) DEFAULT (0),
   deleted        INTEGER(1) NOT NULL CHECK (deleted >= 0 AND deleted <= 1) DEFAULT (0),
   important      INTEGER(1) NOT NULL CHECK (important >= 0 AND important <= 1) DEFAULT (0),
+  contents       TEXT,
   
-  FOREIGN KEY (owner) REFERENCES Feeds (id)
+  FOREIGN KEY (feed) REFERENCES Feeds (id)
 );

src/core/databasefactory.cpp

@@ -110,20 +110,11 @@ QSqlDatabase DatabaseFactory::initialize(const QString &connection_name) {
     q.finish();
   }
 
-  m_initialized = true;
-
   return database;
 }
 
 QSqlDatabase DatabaseFactory::addConnection(const QString &connection_name) {
-  if (!m_initialized) {
-    // Initialize database file and return connection if it is not
-    // initialized yet.
-    return initialize(connection_name);
-  }
-  else {
-    return QSqlDatabase::addDatabase(DATABASE_DRIVER, connection_name);
-  }
+  return initialize(connection_name);
 }
 
 QSqlDatabase DatabaseFactory::getConnection(const QString &connection_name) {

src/core/databasefactory.h

@@ -22,9 +22,6 @@ class DatabaseFactory : public QObject {
     // Path to database file.
     QString m_databasePath;
 
-    // True if database file is initialized, otherwise false.
-    bool m_initialized;
-
     // Private singleton value.
     static QPointer<DatabaseFactory> s_instance;
 

src/core/defs.h.in

@@ -34,9 +34,9 @@
 #define APP_DB_INIT_SPLIT   "-- !\n"
 #define APP_DB_PATH         "data/database/local"
 #define APP_DB_FILE         "database.db"
+#define APP_DB_WEB_PATH     "data/database/web"
 
 #define APP_CFG_PATH        "data/config"
-#define APP_CFG_WEB_PATH    "data/database/web"
 #define APP_CFG_FILE        "config.ini"
 #define APP_CFG_GUI         "gui"
 #define APP_CFG_GEN         "main"

src/core/messagesmodel.cpp

@@ -1,15 +1,35 @@
 #include "core/messagesmodel.h"
+#include "core/databasefactory.h"
 
 
-MessagesModel::MessagesModel(QObject *parent) : QSqlTableModel(parent) {
+MessagesModel::MessagesModel(QObject *parent)
+  : QSqlTableModel(parent,
+                   DatabaseFactory::getInstance()->addConnection("MessagesModel")) {
   setObjectName("MessagesModel");
+  setEditStrategy(QSqlTableModel::OnFieldChange);
+
   setupHeaderData();
+
+  setTable("Messages");
+  select();
+}
+
+MessagesModel::~MessagesModel() {
+  qDebug("Destroying MessagesModel instance.");
 }
 
 void MessagesModel::setupHeaderData() {
   // TODO: Enhance this.
-  m_headerData << tr("aaa") <<
-                  tr("bbb");
+  m_headerData << tr("Id") << tr("Feed") << tr("Title") <<
+                  tr("URL") << tr("Author") << tr("Created on") <<
+                  tr("Last updated on") << tr("Read") << tr("Deleted") <<
+                  tr("Important") << tr("Contents");
+}
+
+Qt::ItemFlags MessagesModel::flags(const QModelIndex &index) const {
+  Q_UNUSED(index);
+
+  return Qt::ItemIsSelectable | Qt::ItemIsEnabled;
 }
 
 QVariant MessagesModel::headerData(int section,

src/core/messagesmodel.h

@@ -9,10 +9,13 @@ class MessagesModel : public QSqlTableModel {
     Q_OBJECT
 
   public:
+    // Constructors and destructors.
     explicit MessagesModel(QObject *parent = 0);
+    virtual ~MessagesModel();
 
-
+    // Model implementation.
     QVariant headerData(int section, Qt::Orientation orientation, int role) const;
+    Qt::ItemFlags flags(const QModelIndex &index) const;
 
   private:
     void setupHeaderData();

src/core/messagesproxymodel.cpp

@@ -1,6 +1,19 @@
 #include "core/messagesproxymodel.h"
+#include "core/messagesmodel.h"
 
 
 MessagesProxyModel::MessagesProxyModel(QObject *parent)
   : QSortFilterProxyModel(parent) {
+  m_sourceModel = new MessagesModel(this);
+
+  setObjectName("MessagesProxyModel");
+  setSortRole(Qt::EditRole);
+  setSortCaseSensitivity(Qt::CaseInsensitive);
+  setFilterCaseSensitivity(Qt::CaseInsensitive);
+  setFilterKeyColumn(-1);
+  setSourceModel(m_sourceModel);
+}
+
+MessagesProxyModel::~MessagesProxyModel() {
+  qDebug("Destroying MessagesProxyModel instance.");
 }

src/core/messagesproxymodel.h

@@ -4,16 +4,18 @@
 #include <QSortFilterProxyModel>
 
 
+class MessagesModel;
+
 class MessagesProxyModel : public QSortFilterProxyModel {
     Q_OBJECT
 
   public:
+    // Constructors and destructors.
     explicit MessagesProxyModel(QObject *parent = 0);
+    virtual ~MessagesProxyModel();
 
-  signals:
-
-  public slots:
-
+  private:
+    MessagesModel *m_sourceModel;
 };
 
 #endif // MESSAGESPROXYMODEL_H

src/core/settings.cpp

@@ -69,7 +69,7 @@ QSettings::Status Settings::setupSettings() {
 
     // TODO: Separate web settings into another unit.
     // Construct icon cache in the same path.
-    QString web_path = app_path + QDir::separator() + APP_CFG_WEB_PATH;
+    QString web_path = app_path + QDir::separator() + APP_DB_WEB_PATH;
     QDir(web_path).mkpath(web_path);
     QWebSettings::setIconDatabasePath(web_path);
 
@@ -87,7 +87,7 @@ QSettings::Status Settings::setupSettings() {
                               Settings::NonPortable, qApp);
 
     // Construct icon cache in the same path.
-    QString web_path = home_path + QDir::separator() + APP_CFG_WEB_PATH;
+    QString web_path = home_path + QDir::separator() + APP_DB_WEB_PATH;
     QDir(web_path).mkpath(web_path);
     QWebSettings::setIconDatabasePath(web_path);
 

src/gui/feedmessageviewer.cpp

@@ -15,8 +15,7 @@ FeedMessageViewer::FeedMessageViewer(QWidget *parent)
     m_toolBar(new QToolBar(tr("Toolbar for messages"), this)),
     m_messagesView(new MessagesView(this)),
     m_feedsView(new FeedsView(this)),
-    m_messagesBrowser(new WebBrowser(this))
-{
+    m_messagesBrowser(new WebBrowser(this)) {
   initialize();
   initializeViews();
 }
@@ -27,7 +26,7 @@ void FeedMessageViewer::initialize() {
   m_toolBar->setMovable(false);
   m_toolBar->setAllowedAreas(Qt::TopToolBarArea);
 
-    m_toolBar->addAction(QIcon::fromTheme("application-exit"), "aaa");
+  m_toolBar->addAction(QIcon::fromTheme("application-exit"), "aaa");
 
   // Finish web/message browser setup.
   m_messagesBrowser->setNavigationBarVisible(false);

src/gui/formsettings.cpp

@@ -482,8 +482,10 @@ void FormSettings::saveInterface() {
   IconThemeFactory::getInstance()->setCurrentIconTheme(selected_icon_theme);
 
   // Save and activate new skin.
-  Skin active_skin = m_ui->m_treeSkins->currentItem()->data(0, Qt::UserRole).value<Skin>();
-  SkinFactory::getInstance()->setCurrentSkinName(active_skin.m_baseName);
+  if (m_ui->m_treeSkins->selectedItems().size() > 0) {
+    Skin active_skin = m_ui->m_treeSkins->currentItem()->data(0, Qt::UserRole).value<Skin>();
+    SkinFactory::getInstance()->setCurrentSkinName(active_skin.m_baseName);
+  }
 
   // Save tab settings.
   settings->setValue(APP_CFG_GUI, "tab_close_mid_button",

src/gui/iconthemefactory.cpp

@@ -90,7 +90,6 @@ void IconThemeFactory::loadCurrentIconTheme(bool notify_widgets) {
   qDebug("Installed icon themes are: %s.",
          qPrintable(installed_themes.join(", ")));
 
-
   if (installed_themes.contains(theme_name_from_settings)) {
     // Desired icon theme is installed and can be loaded.
     qDebug("Loading icon theme '%s'.", qPrintable(theme_name_from_settings));

src/gui/messagesview.cpp

@@ -1,9 +1,23 @@
 #include "gui/messagesview.h"
+#include "core/messagesproxymodel.h"
+#include "core/messagesmodel.h"
 
 
 MessagesView::MessagesView(QWidget *parent) : QTreeView(parent) {
+  m_proxyModel = new MessagesProxyModel(this);
+
+  setModel(m_proxyModel);
+  setupAppearance();
 }
 
 MessagesView::~MessagesView() {
   qDebug("Destroying MessagesView instance.");
 }
+
+void MessagesView::setupAppearance() {
+  setAcceptDrops(false);
+  setDragEnabled(false);
+  setDragDropMode(QAbstractItemView::NoDragDrop);
+  setExpandsOnDoubleClick(false);
+  setRootIsDecorated(false);
+}

src/gui/messagesview.h

@@ -4,16 +4,21 @@
 #include <QTreeView>
 
 
+class MessagesProxyModel;
+
 class MessagesView : public QTreeView {
     Q_OBJECT
 
   public:
+    // Constructors and destructors.
     explicit MessagesView(QWidget *parent = 0);
     virtual ~MessagesView();
-    
-  signals:
-    
-  public slots:
+
+  protected:
+    void setupAppearance();
+
+  private:
+    MessagesProxyModel *m_proxyModel;
     
 };