Very experimental trash bin.

CMakeLists.txt

@@ -381,6 +381,7 @@ set(APP_SOURCES
   src/core/parsingfactory.cpp
   src/core/feeddownloader.cpp
   src/core/feedsimportexportmodel.cpp
+  src/core/feedsmodelrecyclebin.cpp
 
   # NETWORK-WEB sources.
   src/network-web/basenetworkaccessmanager.cpp
@@ -457,6 +458,7 @@ set(APP_HEADERS
   src/core/feedsproxymodel.h
   src/core/feeddownloader.h
   src/core/feedsimportexportmodel.h
+  src/core/feedsmodelrecyclebin.h
 
   # NETWORK-WEB headers.
   src/network-web/webpage.h

src/core/feedsmodel.cpp

@@ -20,6 +20,7 @@
 #include "definitions/definitions.h"
 #include "core/feedsmodelcategory.h"
 #include "core/feedsmodelfeed.h"
+#include "core/feedsmodelrecyclebin.h"
 #include "core/feedsimportexportmodel.h"
 #include "miscellaneous/textfactory.h"
 #include "miscellaneous/databasefactory.h"
@@ -690,6 +691,8 @@ void FeedsModel::loadFromDatabase() {
   // All data are now obtained, lets create the hierarchy.
   assembleCategories(categories);
   assembleFeeds(feeds);
+
+  m_rootItem->appendChild(new FeedsModelRecycleBin());
 }
 
 QList<FeedsModelFeed*> FeedsModel::feedsForIndex(const QModelIndex &index) {

src/core/feedsmodelrecyclebin.cpp

@@ -0,0 +1,87 @@
+#include "core/feedsmodelrecyclebin.h"
+
+#include "miscellaneous/application.h"
+#include "miscellaneous/iconfactory.h"
+
+
+FeedsModelRecycleBin::FeedsModelRecycleBin(FeedsModelRootItem *parent) : FeedsModelRootItem(parent) {
+  m_kind = FeedsModelRootItem::RecycleBin;
+  m_icon = qApp->icons()->fromTheme("folder-recycle-bin");
+  m_id = ID_RECYCLE_BIN;
+  m_title = tr("Recycle bin");
+  m_description = tr("Recycle bin contains all deleted messages from all feeds.");
+  m_creationDate = QDateTime::currentDateTime();
+}
+
+FeedsModelRecycleBin::~FeedsModelRecycleBin() {
+}
+
+
+int FeedsModelRecycleBin::childCount() const {
+  return 0;
+}
+
+void FeedsModelRecycleBin::appendChild(FeedsModelRootItem *child) {
+  Q_UNUSED(child)
+}
+
+int FeedsModelRecycleBin::countOfUnreadMessages() const {
+  return 0;
+}
+
+int FeedsModelRecycleBin::countOfAllMessages() const {
+  return 0;
+}
+
+
+QVariant FeedsModelRecycleBin::data(int column, int role) const {
+  switch (role) {
+    case Qt::DisplayRole:
+      if (column == FDS_MODEL_TITLE_INDEX) {
+        return m_title;
+      }
+      else if (column == FDS_MODEL_COUNTS_INDEX) {
+        return qApp->settings()->value(APP_CFG_FEEDS,
+                                       "count_format",
+                                       "(%unread)").toString()
+            .replace("%unread", QString::number(countOfUnreadMessages()))
+            .replace("%all", QString::number(countOfAllMessages()));
+      }
+      else {
+        return QVariant();
+      }
+
+    case Qt::EditRole:
+      if (column == FDS_MODEL_TITLE_INDEX) {
+        return m_title;
+      }
+      else if (column == FDS_MODEL_COUNTS_INDEX) {
+        return countOfUnreadMessages();
+      }
+      else {
+        return QVariant();
+      }
+
+    case Qt::FontRole:
+      return countOfUnreadMessages() > 0 ? m_boldFont : m_normalFont;
+
+    case Qt::DecorationRole:
+      if (column == FDS_MODEL_TITLE_INDEX) {
+        return m_icon;
+      }
+      else {
+        return QVariant();
+      }
+
+    case Qt::TextAlignmentRole:
+      if (column == FDS_MODEL_COUNTS_INDEX) {
+        return Qt::AlignCenter;
+      }
+      else {
+        return QVariant();
+      }
+
+    default:
+      return QVariant();
+  }
+}

src/core/feedsmodelrecyclebin.h

@@ -0,0 +1,23 @@
+#ifndef FEEDSMODELRECYCLEBIN_H
+#define FEEDSMODELRECYCLEBIN_H
+
+#include "core/feedsmodelrootitem.h"
+
+#include <QCoreApplication>
+
+
+class FeedsModelRecycleBin : public FeedsModelRootItem {
+    Q_DECLARE_TR_FUNCTIONS(FeedsModelRecycleBin)
+
+  public:
+    explicit FeedsModelRecycleBin(FeedsModelRootItem *parent = NULL);
+    virtual ~FeedsModelRecycleBin();
+
+    int childCount() const;
+    void appendChild(FeedsModelRootItem *child);
+    int countOfUnreadMessages() const;
+    int countOfAllMessages() const;
+    QVariant data(int column, int role) const;
+};
+
+#endif // FEEDSMODELRECYCLEBIN_H

src/core/feedsmodelrootitem.cpp

@@ -38,7 +38,6 @@ FeedsModelRootItem::FeedsModelRootItem(FeedsModelRootItem *parent_item)
 
 FeedsModelRootItem::~FeedsModelRootItem() {
   qDebug("Destroying FeedsModelRootItem instance.");
-
   qDeleteAll(m_childItems);
 }
 

src/core/feedsmodelrootitem.h

@@ -31,9 +31,10 @@ class FeedsModelRootItem {
   public:
     // Describes the kind of the item.
     enum Kind {
-      RootItem  = 1001,
+      RootItem    = 1001,
-      Feed      = 1002,
+      RecycleBin  = 1002,
-      Category  = 1003
+      Feed        = 1003,
+      Category    = 1004
     };
 
     // Constructors and destructors.

src/core/messagesmodel.cpp

@@ -31,7 +31,7 @@
 MessagesModel::MessagesModel(QObject *parent)
   : QSqlTableModel(parent,
                    qApp->database()->connection("MessagesModel",
-                                                           DatabaseFactory::FromSettings)) {
+                                                DatabaseFactory::FromSettings)) {
   setObjectName("MessagesModel");
   setupFonts();
   setupIcons();
@@ -70,13 +70,18 @@ void MessagesModel::setupFonts() {
 void MessagesModel::loadMessages(const QList<int> feed_ids) { 
   m_currentFeeds = feed_ids;
 
-  QString assembled_ids = textualFeeds().join(", ");
+  if (feed_ids.size() == 1 && feed_ids[0] == ID_RECYCLE_BIN) {
+    setFilter("is_deleted = 1");
+  }
+  else {
+    QString assembled_ids = textualFeeds().join(", ");
+
+    setFilter(QString("feed IN (%1) AND is_deleted = 0").arg(assembled_ids));
+    qDebug("Loading messages from feeds: %s.", qPrintable(assembled_ids));
+  }
 
-  setFilter(QString("feed IN (%1) AND is_deleted = 0").arg(assembled_ids));
   select();
   fetchAll();
-
-  qDebug("Loading messages from feeds: %s.", qPrintable(assembled_ids));
 }
 
 void MessagesModel::filterMessages(MessagesModel::DisplayFilter filter) {

src/definitions/definitions.h.in

@@ -47,6 +47,7 @@
 #define MAX_ZOOM_FACTOR                 10.0
 #define ICON_SIZE_SETTINGS              16
 #define NO_PARENT_CATEGORY              -1
+#define ID_RECYCLE_BIN                  -2
 #define TRAY_ICON_BUBBLE_TIMEOUT        20000
 #define KEY_MESSAGES_VIEW               "messages_view_column_"
 #define CLOSE_LOCK_TIMEOUT              3000

src/gui/feedsview.cpp

@@ -347,8 +347,8 @@ void FeedsView::deleteSelectedItem() {
   }
 
   if (MessageBox::show(qApp->mainForm(), QMessageBox::Question, tr("Deleting feed or category"),
-                   tr("You are about to delete selected feed or category."), tr("Do you really want to delete selected item?"),
+                       tr("You are about to delete selected feed or category."), tr("Do you really want to delete selected item?"),
-                   QString(), QMessageBox::Yes | QMessageBox::No, QMessageBox::Yes) == QMessageBox::No) {
+                       QString(), QMessageBox::Yes | QMessageBox::No, QMessageBox::Yes) == QMessageBox::No) {
     // User changed his mind.
     qApp->closeLock()->unlock();
     return;
@@ -545,6 +545,16 @@ void FeedsView::selectionChanged(const QItemSelection &selected,
     m_selectedFeeds << feed->id();
   }
 
+  if (m_selectedFeeds.isEmpty() && selectionModel()->selectedIndexes().size() > 0) {
+    QModelIndex selected_index = selectionModel()->selectedIndexes().at(0);
+    QModelIndex mapped_index = model()->mapToSource(selected_index);
+    FeedsModelRootItem *item = sourceModel()->itemForIndex(mapped_index);
+
+    if (item->kind() == FeedsModelRootItem::RecycleBin) {
+      m_selectedFeeds.append(ID_RECYCLE_BIN);
+    }
+  }
+
   emit feedsSelected(m_selectedFeeds);
 }
 
@@ -557,14 +567,24 @@ void FeedsView::keyPressEvent(QKeyEvent *event) {
 }
 
 void FeedsView::contextMenuEvent(QContextMenuEvent *event) {
-  if (indexAt(event->pos()).isValid()) {
+  QModelIndex clicked_index = indexAt(event->pos());
-    // Display context menu for categories.
-    if (m_contextMenuCategoriesFeeds == NULL) {
-      // Context menu is not initialized, initialize.
-      initializeContextMenuCategoriesFeeds();
-    }
 
-    m_contextMenuCategoriesFeeds->exec(event->globalPos());
+  if (clicked_index.isValid()) {
+    QModelIndex mapped_index = model()->mapToSource(clicked_index);
+    FeedsModelRootItem *clicked_item = sourceModel()->itemForIndex(mapped_index);
+
+    if (clicked_item->kind() == FeedsModelRootItem::Category || clicked_item->kind() == FeedsModelRootItem::Feed) {
+      // Display context menu for categories.
+      if (m_contextMenuCategoriesFeeds == NULL) {
+        // Context menu is not initialized, initialize.
+        initializeContextMenuCategoriesFeeds();
+      }
+
+      m_contextMenuCategoriesFeeds->exec(event->globalPos());
+    }
+    else if (clicked_item->kind() == FeedsModelRootItem::RecycleBin) {
+      // TODO: Display context menu for recycle bin.
+    }
   }
   else {
     // Display menu for empty space.