[Qt] polish ban table

src/qt/bantablemodel.cpp

@@ -56,11 +56,10 @@ public:
 
     CCombinedBan *index(int idx)
     {
-        if(idx >= 0 && idx < cachedBanlist.size()) {
+        if (idx >= 0 && idx < cachedBanlist.size())
             return &cachedBanlist[idx];
-        } else {
-            return 0;
-        }
+
+        return 0;
     }
 };
 
@@ -124,7 +123,7 @@ QVariant BanTableModel::data(const QModelIndex &index, int role) const
         }
     } else if (role == Qt::TextAlignmentRole) {
         if (index.column() == Bantime)
-            return (int)(Qt::AlignRight | Qt::AlignVCenter);
+            return (QVariant)(Qt::AlignRight | Qt::AlignVCenter);
     }
 
     return QVariant();
@@ -157,13 +156,8 @@ QModelIndex BanTableModel::index(int row, int column, const QModelIndex &parent)
     CCombinedBan *data = priv->index(row);
 
     if (data)
-    {
         return createIndex(row, column, data);
-    }
-    else
-    {
-        return QModelIndex();
-    }
+    return QModelIndex();
 }
 
 void BanTableModel::refresh()

src/qt/clientmodel.cpp

@@ -246,7 +246,7 @@ static void NotifyAlertChanged(ClientModel *clientmodel, const uint256 &hash, Ch
 
 static void BannedListChanged(ClientModel *clientmodel)
 {
-    qDebug() << "BannedListChanged";
+    qDebug() << QString("%1: Requesting update for peer banlist").arg(__func__);
     QMetaObject::invokeMethod(clientmodel, "updateBanlist", Qt::QueuedConnection);
 }
 

src/qt/rpcconsole.cpp

@@ -5,6 +5,7 @@
 #include "rpcconsole.h"
 #include "ui_rpcconsole.h"
 
+#include "bantablemodel.h"
 #include "clientmodel.h"
 #include "guiutil.h"
 #include "platformstyle.h"
@@ -373,9 +374,9 @@ void RPCConsole::setClientModel(ClientModel *model)
         connect(ui->peerWidget, SIGNAL(customContextMenuRequested(const QPoint&)), this, SLOT(showPeersTableContextMenu(const QPoint&)));
         connect(disconnectAction, SIGNAL(triggered()), this, SLOT(disconnectSelectedNode()));
 
-        //add a signal mapping to allow a dynamic argument
-        //we need to use int (instead of int64_t) because signal mapper only supports int or objects
-        //this is okay because max bantime (1 Year) is smaler then int_max
+        // Add a signal mapping to allow dynamic context menu arguments.
+        // We need to use int (instead of int64_t), because signal mapper only supports
+        // int or objects, which is okay because max bantime (1 year) is < int_max.
         QSignalMapper* signalMapper = new QSignalMapper(this);
         signalMapper->setMapping(banAction1h, 60*60);
         signalMapper->setMapping(banAction24h, 60*60*24);
@@ -385,7 +386,7 @@ void RPCConsole::setClientModel(ClientModel *model)
         connect(banAction24h, SIGNAL(triggered()), signalMapper, SLOT(map()));
         connect(banAction7d, SIGNAL(triggered()), signalMapper, SLOT(map()));
         connect(banAction365d, SIGNAL(triggered()), signalMapper, SLOT(map()));
-        connect(signalMapper, SIGNAL(mapped(int)), this, SLOT(banSelectedNode(int))) ;
+        connect(signalMapper, SIGNAL(mapped(int)), this, SLOT(banSelectedNode(int)));
 
         // connect the peerWidget selection model to our peerSelected() handler
         connect(ui->peerWidget->selectionModel(), SIGNAL(selectionChanged(const QItemSelection &, const QItemSelection &)),
@@ -403,8 +404,12 @@ void RPCConsole::setClientModel(ClientModel *model)
         ui->banlistWidget->setContextMenuPolicy(Qt::CustomContextMenu);
         ui->banlistWidget->horizontalHeader()->setStretchLastSection(true);
 
+        // ensure ban table is shown or hidden (if empty)
+        connect(model, SIGNAL(banListChanged()), this, SLOT(showOrHideBanTableIfRequired()));
+        showOrHideBanTableIfRequired();
+
         // create banlist context menu actions
-        QAction* unbanAction   = new QAction(tr("&Unban Node"), this);
+        QAction* unbanAction = new QAction(tr("&Unban Node"), this);
         banTableContextMenu = new QMenu();
         banTableContextMenu->addAction(unbanAction);
 
@@ -419,9 +424,6 @@ void RPCConsole::setClientModel(ClientModel *model)
         ui->buildDate->setText(model->formatBuildDate());
         ui->startupTime->setText(model->formatClientStartupTime());
         ui->networkName->setText(QString::fromStdString(Params().NetworkIDString()));
-
-        connect(model, SIGNAL(banListChanged()), this, SLOT(showOrHideBanTableIfRequired()));
-        showOrHideBanTableIfRequired();
     }
 }
 
@@ -833,7 +835,7 @@ void RPCConsole::showOrHideBanTableIfRequired()
 {
     if (!clientModel)
         return;
-    
+
     bool visible = clientModel->getBanTableModel()->shouldShow();
     ui->banlistWidget->setVisible(visible);
     ui->banHeading->setVisible(visible);