Move deleted entries to recycle bin if enabled.

src/core/Database.cpp

@@ -181,3 +181,21 @@ bool Database::hasKey()
 {
     return m_hasKey;
 }
+
+void Database::recycleEntry(Entry* entry)
+{
+    if (m_metadata->recycleBinEnabled()) {
+        if (!m_metadata->recycleBin()) {
+            Group* recycleBin = new Group();
+            recycleBin->setUuid(Uuid::random());
+            recycleBin->setName("Recycle Bin");
+            recycleBin->setIcon(43);
+            recycleBin->setParent(rootGroup());
+            m_metadata->setRecycleBin(recycleBin);
+        }
+        m_metadata->addEntryToRecycleBin(entry);
+    }
+    else {
+        delete entry;
+    }
+}

src/core/Database.h

@@ -82,6 +82,7 @@ public:
      */
     void setKey(const CompositeKey& key);
     bool hasKey();
+    void recycleEntry(Entry* entry);
 
 Q_SIGNALS:
     void groupDataChanged(Group* group);

src/core/Metadata.cpp

@@ -18,6 +18,7 @@
 #include "Metadata.h"
 
 #include "core/Database.h"
+#include "core/Entry.h"
 
 Metadata::Metadata(Database* parent)
     : QObject(parent)
@@ -371,3 +372,8 @@ void Metadata::removeCustomField(const QString& key)
     m_customFields.remove(key);
     Q_EMIT modified();
 }
+
+void Metadata::addEntryToRecycleBin(Entry* entry)
+{
+    entry->setGroup(m_recycleBin);
+}

src/core/Metadata.h

@@ -26,6 +26,7 @@
 
 class Database;
 class Group;
+class Entry;
 
 class Metadata : public QObject
 {
@@ -92,6 +93,8 @@ public:
     void removeCustomField(const QString& key);
     void setUpdateDatetime(bool value);
 
+    void addEntryToRecycleBin(Entry* entry);
+
 Q_SIGNALS:
     void nameTextChanged(Database* db);
     void modified();

src/gui/DatabaseWidget.cpp

@@ -20,13 +20,16 @@
 #include <QtGui/QHBoxLayout>
 #include <QtGui/QLabel>
 #include <QtGui/QSplitter>
+#include <QtGui/QMessageBox>
 
+#include "core/Metadata.h"
 #include "gui/ChangeMasterKeyWidget.h"
 #include "gui/EditEntryWidget.h"
 #include "gui/EditGroupWidget.h"
 #include "gui/EntryView.h"
 #include "gui/GroupView.h"
 
+
 DatabaseWidget::DatabaseWidget(Database* db, QWidget* parent)
     : QStackedWidget(parent)
     , m_db(db)
@@ -104,7 +107,20 @@ void DatabaseWidget::createEntry()
 
 void DatabaseWidget::deleteEntry()
 {
-    delete m_entryView->currentEntry();
+    if (!m_db->metadata()->recycleBinEnabled()) {
+        QMessageBox::StandardButton result = QMessageBox::question(
+            this, tr("Question"), tr("Do you really want to delete this entry for good?"),
+            QMessageBox::Yes | QMessageBox::No);
+        if (result == QMessageBox::Yes) {
+            delete m_entryView->currentEntry();
+        }
+        else {
+            return;
+        }
+    }
+    else {
+        m_db->recycleEntry(m_entryView->currentEntry());
+    }
 }
 
 void DatabaseWidget::createGroup()