Add markets spreads view

gui/src/main/java/io/bitsquare/gui/Navigation.java

@@ -22,7 +22,7 @@ import io.bitsquare.app.Version;
 import io.bitsquare.gui.common.view.View;
 import io.bitsquare.gui.common.view.ViewPath;
 import io.bitsquare.gui.main.MainView;
-import io.bitsquare.gui.main.market.MarketView;
+import io.bitsquare.gui.main.markets.MarketView;
 import io.bitsquare.storage.Storage;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;

gui/src/main/java/io/bitsquare/gui/main/MainView.java

@@ -26,7 +26,7 @@ import io.bitsquare.gui.components.SystemNotification;
 import io.bitsquare.gui.main.account.AccountView;
 import io.bitsquare.gui.main.disputes.DisputesView;
 import io.bitsquare.gui.main.funds.FundsView;
-import io.bitsquare.gui.main.market.MarketView;
+import io.bitsquare.gui.main.markets.MarketView;
 import io.bitsquare.gui.main.offer.BuyOfferView;
 import io.bitsquare.gui.main.offer.SellOfferView;
 import io.bitsquare.gui.main.portfolio.PortfolioView;

gui/src/main/java/io/bitsquare/gui/main/markets/MarketView.fxml

@@ -20,9 +20,11 @@
 <?import javafx.scene.control.Tab?>
 <?import javafx.scene.control.TabPane?>
 <?import javafx.scene.layout.AnchorPane?>
-<TabPane fx:id="root" fx:controller="io.bitsquare.gui.main.market.MarketView"
+<TabPane fx:id="root" fx:controller="io.bitsquare.gui.main.markets.MarketView"
          AnchorPane.bottomAnchor="0" AnchorPane.leftAnchor="0"
          AnchorPane.rightAnchor="0" AnchorPane.topAnchor="0"
          xmlns:fx="http://javafx.com/fxml">
-    <Tab fx:id="tab" text="All currency markets" closable="false"/>
+
+    <Tab fx:id="chartsTab" text="Offer book" closable="false"/>
+    <Tab fx:id="statisticsTab" text="Spreads" closable="false"/>
 </TabPane>

gui/src/main/java/io/bitsquare/gui/main/markets/MarketView.java

@@ -0,0 +1,92 @@
+/*
+ * This file is part of Bitsquare.
+ *
+ * Bitsquare is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * Bitsquare is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Bitsquare. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package io.bitsquare.gui.main.markets;
+
+import io.bitsquare.gui.Navigation;
+import io.bitsquare.gui.common.model.Activatable;
+import io.bitsquare.gui.common.view.*;
+import io.bitsquare.gui.main.MainView;
+import io.bitsquare.gui.main.markets.charts.MarketsChartsView;
+import io.bitsquare.gui.main.markets.statistics.MarketsStatisticsView;
+import javafx.beans.value.ChangeListener;
+import javafx.fxml.FXML;
+import javafx.scene.control.Tab;
+import javafx.scene.control.TabPane;
+
+import javax.inject.Inject;
+
+@FxmlView
+public class MarketView extends ActivatableViewAndModel<TabPane, Activatable> {
+    @FXML
+    Tab chartsTab, statisticsTab;
+    private final ViewLoader viewLoader;
+    private final Navigation navigation;
+    private Navigation.Listener navigationListener;
+    private ChangeListener<Tab> tabChangeListener;
+
+    @Inject
+    public MarketView(CachingViewLoader viewLoader, Navigation navigation) {
+        this.viewLoader = viewLoader;
+        this.navigation = navigation;
+    }
+
+    @Override
+    public void initialize() {
+        navigationListener = viewPath -> {
+            if (viewPath.size() == 3 && viewPath.indexOf(MarketView.class) == 1)
+                loadView(viewPath.tip());
+        };
+
+        tabChangeListener = (ov, oldValue, newValue) -> {
+            if (newValue == chartsTab)
+                navigation.navigateTo(MainView.class, MarketView.class, MarketsChartsView.class);
+            else if (newValue == statisticsTab)
+                navigation.navigateTo(MainView.class, MarketView.class, MarketsStatisticsView.class);
+        };
+    }
+
+    @Override
+    protected void activate() {
+        root.getSelectionModel().selectedItemProperty().addListener(tabChangeListener);
+        navigation.addListener(navigationListener);
+
+        if (root.getSelectionModel().getSelectedItem() == chartsTab)
+            navigation.navigateTo(MainView.class, MarketView.class, MarketsChartsView.class);
+        else
+            navigation.navigateTo(MainView.class, MarketView.class, MarketsStatisticsView.class);
+    }
+
+    @Override
+    protected void deactivate() {
+        root.getSelectionModel().selectedItemProperty().removeListener(tabChangeListener);
+        navigation.removeListener(navigationListener);
+    }
+
+    private void loadView(Class<? extends View> viewClass) {
+        final Tab tab;
+        View view = viewLoader.load(viewClass);
+
+        if (view instanceof MarketsChartsView) tab = chartsTab;
+        else if (view instanceof MarketsStatisticsView) tab = statisticsTab;
+        else throw new IllegalArgumentException("Navigation to " + viewClass + " is not supported");
+
+        tab.setContent(view.getRoot());
+        root.getSelectionModel().select(tab);
+    }
+
+}

gui/src/main/java/io/bitsquare/gui/main/markets/charts/MarketsChartsView.fxml

@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<!--
+  ~ This file is part of Bitsquare.
+  ~
+  ~ Bitsquare is free software: you can redistribute it and/or modify it
+  ~ under the terms of the GNU Affero General Public License as published by
+  ~ the Free Software Foundation, either version 3 of the License, or (at
+  ~ your option) any later version.
+  ~
+  ~ Bitsquare is distributed in the hope that it will be useful, but WITHOUT
+  ~ ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+  ~ FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public
+  ~ License for more details.
+  ~
+  ~ You should have received a copy of the GNU Affero General Public License
+  ~ along with Bitsquare. If not, see <http://www.gnu.org/licenses/>.
+  -->
+
+
+<?import javafx.geometry.Insets?>
+<?import javafx.scene.layout.*?>
+<VBox fx:id="root" fx:controller="io.bitsquare.gui.main.markets.charts.MarketsChartsView"
+      spacing="20.0" fillWidth="true"
+      AnchorPane.bottomAnchor="0.0" AnchorPane.leftAnchor="0.0"
+      AnchorPane.rightAnchor="0.0" AnchorPane.topAnchor="0.0"
+      xmlns:fx="http://javafx.com/fxml">
+    <padding>
+        <Insets bottom="10.0" left="20.0" top="10.0" right="20"/>
+    </padding>
+
+</VBox>

gui/src/main/java/io/bitsquare/gui/main/markets/charts/MarketsChartsView.java

@@ -15,21 +15,22 @@
  * along with Bitsquare. If not, see <http://www.gnu.org/licenses/>.
  */
 
-package io.bitsquare.gui.main.market;
+package io.bitsquare.gui.main.markets.charts;
 
 import io.bitsquare.common.UserThread;
 import io.bitsquare.common.util.Tuple2;
 import io.bitsquare.gui.common.view.ActivatableViewAndModel;
 import io.bitsquare.gui.common.view.FxmlView;
+import io.bitsquare.gui.main.markets.statistics.MarketStatisticItem;
 import io.bitsquare.gui.main.offer.offerbook.OfferBookListItem;
 import io.bitsquare.gui.util.BSFormatter;
+import io.bitsquare.locale.CurrencyUtil;
 import io.bitsquare.locale.TradeCurrency;
 import io.bitsquare.trade.offer.Offer;
 import javafx.beans.property.ReadOnlyObjectWrapper;
 import javafx.beans.property.SimpleStringProperty;
 import javafx.beans.property.StringProperty;
 import javafx.collections.ListChangeListener;
-import javafx.fxml.FXML;
 import javafx.geometry.Insets;
 import javafx.geometry.Pos;
 import javafx.scene.chart.AreaChart;
@@ -46,9 +47,7 @@ import org.fxmisc.easybind.Subscription;
 import javax.inject.Inject;
 
 @FxmlView
-public class MarketView extends ActivatableViewAndModel<TabPane, MarketViewModel> {
-    @FXML
-    Tab tab;
+public class MarketsChartsView extends ActivatableViewAndModel<VBox, MarketsChartsViewModel> {
 
     private NumberAxis xAxis, yAxis;
     XYChart.Series seriesBuy, seriesSell;
@@ -63,12 +62,13 @@ public class MarketView extends ActivatableViewAndModel<TabPane, MarketViewModel
     private StringProperty amountColumnLabel = new SimpleStringProperty("Amount (BTC)");
     private StringProperty volumeColumnLabel = new SimpleStringProperty("Volume (EUR)");
 
+
     ///////////////////////////////////////////////////////////////////////////////////////////
     // Constructor, lifecycle
     ///////////////////////////////////////////////////////////////////////////////////////////
 
     @Inject
-    public MarketView(MarketViewModel model, BSFormatter formatter) {
+    public MarketsChartsView(MarketsChartsViewModel model, BSFormatter formatter) {
         super(model);
         this.formatter = formatter;
 
@@ -111,13 +111,7 @@ public class MarketView extends ActivatableViewAndModel<TabPane, MarketViewModel
         hBox.setAlignment(Pos.CENTER);
         hBox.getChildren().addAll(tupleBuy.second, tupleSell.second);
 
-        VBox vBox = new VBox();
-        vBox.setSpacing(20);
-        vBox.setFillWidth(true);
-        vBox.setPadding(new Insets(10, 20, 10, 20));
-        vBox.getChildren().addAll(currencyHBox, areaChart, hBox);
-
-        tab.setContent(vBox);
+        root.getChildren().addAll(currencyHBox, areaChart, hBox);
     }
 
     @Override
@@ -286,4 +280,117 @@ public class MarketView extends ActivatableViewAndModel<TabPane, MarketViewModel
     }
 
 
+    private TableColumn<MarketStatisticItem, MarketStatisticItem> getCurrencyColumn() {
+        TableColumn<MarketStatisticItem, MarketStatisticItem> column = new TableColumn<MarketStatisticItem, MarketStatisticItem>("Currency") {
+            {
+                setMinWidth(100);
+            }
+        };
+        column.setCellValueFactory((item) -> new ReadOnlyObjectWrapper<>(item.getValue()));
+        column.setCellFactory(
+                new Callback<TableColumn<MarketStatisticItem, MarketStatisticItem>, TableCell<MarketStatisticItem,
+                        MarketStatisticItem>>() {
+                    @Override
+                    public TableCell<MarketStatisticItem, MarketStatisticItem> call(
+                            TableColumn<MarketStatisticItem, MarketStatisticItem> column) {
+                        return new TableCell<MarketStatisticItem, MarketStatisticItem>() {
+                            @Override
+                            public void updateItem(final MarketStatisticItem item, boolean empty) {
+                                super.updateItem(item, empty);
+                                if (item != null && !empty)
+                                    setText(CurrencyUtil.getNameByCode(item.currencyCode));
+                                else
+                                    setText("");
+                            }
+                        };
+                    }
+                });
+        return column;
+    }
+
+    private TableColumn<MarketStatisticItem, MarketStatisticItem> getNumberOfOffersColumn() {
+        TableColumn<MarketStatisticItem, MarketStatisticItem> column = new TableColumn<MarketStatisticItem, MarketStatisticItem>("Total offers") {
+            {
+                setMinWidth(100);
+            }
+        };
+        column.setCellValueFactory((item) -> new ReadOnlyObjectWrapper<>(item.getValue()));
+        column.setCellFactory(
+                new Callback<TableColumn<MarketStatisticItem, MarketStatisticItem>, TableCell<MarketStatisticItem,
+                        MarketStatisticItem>>() {
+                    @Override
+                    public TableCell<MarketStatisticItem, MarketStatisticItem> call(
+                            TableColumn<MarketStatisticItem, MarketStatisticItem> column) {
+                        return new TableCell<MarketStatisticItem, MarketStatisticItem>() {
+                            @Override
+                            public void updateItem(final MarketStatisticItem item, boolean empty) {
+                                super.updateItem(item, empty);
+                                if (item != null && !empty)
+                                    setText(String.valueOf(item.numberOfOffers));
+                                else
+                                    setText("");
+                            }
+                        };
+                    }
+                });
+        return column;
+    }
+
+    private TableColumn<MarketStatisticItem, MarketStatisticItem> getTotalAmountColumn() {
+        TableColumn<MarketStatisticItem, MarketStatisticItem> column = new TableColumn<MarketStatisticItem, MarketStatisticItem>("Total amount (BTC)") {
+            {
+                setMinWidth(130);
+            }
+        };
+        column.setCellValueFactory((item) -> new ReadOnlyObjectWrapper<>(item.getValue()));
+        column.setCellFactory(
+                new Callback<TableColumn<MarketStatisticItem, MarketStatisticItem>, TableCell<MarketStatisticItem,
+                        MarketStatisticItem>>() {
+                    @Override
+                    public TableCell<MarketStatisticItem, MarketStatisticItem> call(
+                            TableColumn<MarketStatisticItem, MarketStatisticItem> column) {
+                        return new TableCell<MarketStatisticItem, MarketStatisticItem>() {
+                            @Override
+                            public void updateItem(final MarketStatisticItem item, boolean empty) {
+                                super.updateItem(item, empty);
+                                if (item != null && !empty)
+                                    setText(formatter.formatCoin(item.totalAmount));
+                                else
+                                    setText("");
+                            }
+                        };
+                    }
+                });
+        return column;
+    }
+
+    private TableColumn<MarketStatisticItem, MarketStatisticItem> getSpreadColumn() {
+        TableColumn<MarketStatisticItem, MarketStatisticItem> column = new TableColumn<MarketStatisticItem, MarketStatisticItem>("Spread") {
+            {
+                setMinWidth(130);
+            }
+        };
+        column.setCellValueFactory((item) -> new ReadOnlyObjectWrapper<>(item.getValue()));
+        column.setCellFactory(
+                new Callback<TableColumn<MarketStatisticItem, MarketStatisticItem>, TableCell<MarketStatisticItem,
+                        MarketStatisticItem>>() {
+                    @Override
+                    public TableCell<MarketStatisticItem, MarketStatisticItem> call(
+                            TableColumn<MarketStatisticItem, MarketStatisticItem> column) {
+                        return new TableCell<MarketStatisticItem, MarketStatisticItem>() {
+                            @Override
+                            public void updateItem(final MarketStatisticItem item, boolean empty) {
+                                super.updateItem(item, empty);
+                                if (item != null && !empty && item.spread != null)
+                                    setText(formatter.formatFiatWithCode(item.spread));
+                                else
+                                    setText("");
+                            }
+                        };
+                    }
+                });
+        return column;
+    }
+
+
 }

gui/src/main/java/io/bitsquare/gui/main/markets/charts/MarketsChartsViewModel.java

@@ -15,7 +15,7 @@
  * along with Bitsquare. If not, see <http://www.gnu.org/licenses/>.
  */
 
-package io.bitsquare.gui.main.market;
+package io.bitsquare.gui.main.markets.charts;
 
 import com.google.common.math.LongMath;
 import com.google.inject.Inject;
@@ -37,7 +37,7 @@ import java.util.ArrayList;
 import java.util.List;
 import java.util.stream.Collectors;
 
-class MarketViewModel extends ActivatableViewModel {
+class MarketsChartsViewModel extends ActivatableViewModel {
 
     private final OfferBook offerBook;
     private final Preferences preferences;
@@ -56,7 +56,7 @@ class MarketViewModel extends ActivatableViewModel {
     ///////////////////////////////////////////////////////////////////////////////////////////
 
     @Inject
-    public MarketViewModel(OfferBook offerBook, Preferences preferences) {
+    public MarketsChartsViewModel(OfferBook offerBook, Preferences preferences) {
         this.offerBook = offerBook;
         this.preferences = preferences;
 
@@ -77,7 +77,7 @@ class MarketViewModel extends ActivatableViewModel {
 
     private void updateChartData(ObservableList<OfferBookListItem> offerBookListItems) {
         List<Offer> offerList = offerBookListItems.stream()
-                .map(e -> e.getOffer())
+                .map(OfferBookListItem::getOffer)
                 .collect(Collectors.toList());
 
         buyOfferList.clear();

gui/src/main/java/io/bitsquare/gui/main/markets/statistics/MarketStatisticItem.java

@@ -0,0 +1,24 @@
+package io.bitsquare.gui.main.markets.statistics;
+
+import org.bitcoinj.core.Coin;
+import org.bitcoinj.utils.Fiat;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import javax.annotation.Nullable;
+
+public class MarketStatisticItem {
+    private static final Logger log = LoggerFactory.getLogger(MarketStatisticItem.class);
+    public final String currencyCode;
+    public final int numberOfOffers;
+    @Nullable
+    public final Fiat spread;
+    public final Coin totalAmount;
+
+    public MarketStatisticItem(String currencyCode, int numberOfOffers, @Nullable Fiat spread, Coin totalAmount) {
+        this.currencyCode = currencyCode;
+        this.numberOfOffers = numberOfOffers;
+        this.spread = spread;
+        this.totalAmount = totalAmount;
+    }
+}

gui/src/main/java/io/bitsquare/gui/main/markets/statistics/MarketsStatisticViewModel.java

@@ -0,0 +1,117 @@
+/*
+ * This file is part of Bitsquare.
+ *
+ * Bitsquare is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * Bitsquare is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Bitsquare. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package io.bitsquare.gui.main.markets.statistics;
+
+import com.google.inject.Inject;
+import io.bitsquare.gui.common.model.ActivatableViewModel;
+import io.bitsquare.gui.main.offer.offerbook.OfferBook;
+import io.bitsquare.gui.main.offer.offerbook.OfferBookListItem;
+import io.bitsquare.trade.offer.Offer;
+import javafx.collections.FXCollections;
+import javafx.collections.ListChangeListener;
+import javafx.collections.ObservableList;
+import org.bitcoinj.core.Coin;
+import org.bitcoinj.utils.Fiat;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.stream.Collectors;
+
+class MarketsStatisticViewModel extends ActivatableViewModel {
+
+    private final OfferBook offerBook;
+    private final ObservableList<OfferBookListItem> offerBookListItems;
+    private final ListChangeListener<OfferBookListItem> listChangeListener;
+    final ObservableList<MarketStatisticItem> marketStatisticItems = FXCollections.observableArrayList();
+
+
+    ///////////////////////////////////////////////////////////////////////////////////////////
+    // Constructor, lifecycle
+    ///////////////////////////////////////////////////////////////////////////////////////////
+
+    @Inject
+    public MarketsStatisticViewModel(OfferBook offerBook) {
+        this.offerBook = offerBook;
+
+        offerBookListItems = offerBook.getOfferBookListItems();
+        listChangeListener = c -> update(offerBookListItems);
+    }
+
+    @Override
+    protected void activate() {
+        offerBookListItems.addListener(listChangeListener);
+        offerBook.fillOfferBookListItems();
+    }
+
+    @Override
+    protected void deactivate() {
+        offerBookListItems.removeListener(listChangeListener);
+    }
+
+    private void update(ObservableList<OfferBookListItem> offerBookListItems) {
+        Map<String, List<Offer>> offersByCurrencyMap = new HashMap<>();
+        for (OfferBookListItem offerBookListItem : offerBookListItems) {
+            Offer offer = offerBookListItem.getOffer();
+            String currencyCode = offer.getCurrencyCode();
+            if (!offersByCurrencyMap.containsKey(currencyCode))
+                offersByCurrencyMap.put(currencyCode, new ArrayList<>());
+            offersByCurrencyMap.get(currencyCode).add(offer);
+        }
+        marketStatisticItems.clear();
+        long totalAmount = 0;
+        for (String currencyCode : offersByCurrencyMap.keySet()) {
+            List<Offer> offers = offersByCurrencyMap.get(currencyCode);
+            List<Offer> buyOffers = offers
+                    .stream()
+                    .filter(e -> e.getDirection().equals(Offer.Direction.BUY))
+                    .sorted((o1, o2) -> {
+                        long a = o1.getPrice().value;
+                        long b = o2.getPrice().value;
+                        if (a != b)
+                            return a < b ? 1 : -1;
+                        return 0;
+                    })
+                    .collect(Collectors.toList());
+            Fiat bestBuyOfferPrice = buyOffers.isEmpty() ? null : buyOffers.get(0).getPrice();
+            List<Offer> sellOffers = offers
+                    .stream()
+                    .filter(e -> e.getDirection().equals(Offer.Direction.SELL))
+                    .sorted((o1, o2) -> {
+                        long a = o1.getPrice().value;
+                        long b = o2.getPrice().value;
+                        if (a != b)
+                            return a > b ? 1 : -1;
+                        return 0;
+                    })
+                    .collect(Collectors.toList());
+            Fiat bestSellOfferPrice = sellOffers.isEmpty() ? null : sellOffers.get(0).getPrice();
+
+            Fiat spread = null;
+            if (bestBuyOfferPrice != null && bestSellOfferPrice != null) {
+                spread = bestSellOfferPrice.subtract(bestBuyOfferPrice);
+            }
+
+            for (Offer offer : offers) {
+                totalAmount += offer.getAmount().getValue();
+            }
+            marketStatisticItems.add(new MarketStatisticItem(currencyCode, offers.size(), spread, Coin.valueOf(totalAmount)));
+        }
+    }
+}

gui/src/main/java/io/bitsquare/gui/main/markets/statistics/MarketsStatisticsView.fxml

@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<!--
+  ~ This file is part of Bitsquare.
+  ~
+  ~ Bitsquare is free software: you can redistribute it and/or modify it
+  ~ under the terms of the GNU Affero General Public License as published by
+  ~ the Free Software Foundation, either version 3 of the License, or (at
+  ~ your option) any later version.
+  ~
+  ~ Bitsquare is distributed in the hope that it will be useful, but WITHOUT
+  ~ ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+  ~ FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public
+  ~ License for more details.
+  ~
+  ~ You should have received a copy of the GNU Affero General Public License
+  ~ along with Bitsquare. If not, see <http://www.gnu.org/licenses/>.
+  -->
+
+
+<?import javafx.geometry.Insets?>
+<?import javafx.scene.layout.*?>
+<GridPane fx:id="root" fx:controller="io.bitsquare.gui.main.markets.statistics.MarketsStatisticsView"
+          hgap="5.0" vgap="5.0"
+          AnchorPane.bottomAnchor="0.0" AnchorPane.leftAnchor="0.0"
+          AnchorPane.rightAnchor="0.0" AnchorPane.topAnchor="0.0"
+          xmlns:fx="http://javafx.com/fxml">
+    <padding>
+        <Insets bottom="10.0" left="25.0" top="20.0" right="25"/>
+    </padding>
+
+</GridPane>

gui/src/main/java/io/bitsquare/gui/main/markets/statistics/MarketsStatisticsView.java

@@ -0,0 +1,202 @@
+/*
+ * This file is part of Bitsquare.
+ *
+ * Bitsquare is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * Bitsquare is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Bitsquare. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package io.bitsquare.gui.main.markets.statistics;
+
+import io.bitsquare.gui.common.view.ActivatableViewAndModel;
+import io.bitsquare.gui.common.view.FxmlView;
+import io.bitsquare.gui.components.TableGroupHeadline;
+import io.bitsquare.gui.util.BSFormatter;
+import io.bitsquare.locale.CurrencyUtil;
+import javafx.beans.property.ReadOnlyObjectWrapper;
+import javafx.geometry.Insets;
+import javafx.scene.control.Label;
+import javafx.scene.control.TableCell;
+import javafx.scene.control.TableColumn;
+import javafx.scene.control.TableView;
+import javafx.scene.layout.GridPane;
+import javafx.scene.layout.Priority;
+import javafx.util.Callback;
+
+import javax.inject.Inject;
+
+@FxmlView
+public class MarketsStatisticsView extends ActivatableViewAndModel<GridPane, MarketsStatisticViewModel> {
+    private BSFormatter formatter;
+    private int gridRow = 0;
+    private TableView<MarketStatisticItem> statisticsTableView;
+
+
+    ///////////////////////////////////////////////////////////////////////////////////////////
+    // Constructor, lifecycle
+    ///////////////////////////////////////////////////////////////////////////////////////////
+
+    @Inject
+    public MarketsStatisticsView(MarketsStatisticViewModel model, BSFormatter formatter) {
+        super(model);
+        this.formatter = formatter;
+    }
+
+    @Override
+    public void initialize() {
+        TableGroupHeadline header = new TableGroupHeadline("Statistics");
+        GridPane.setRowIndex(header, gridRow);
+        GridPane.setMargin(header, new Insets(0, -10, -10, -10));
+        root.getChildren().add(header);
+
+        statisticsTableView = new TableView<>();
+        GridPane.setRowIndex(statisticsTableView, gridRow);
+        GridPane.setMargin(statisticsTableView, new Insets(20, -10, -10, -10));
+        GridPane.setVgrow(statisticsTableView, Priority.ALWAYS);
+        GridPane.setHgrow(statisticsTableView, Priority.ALWAYS);
+        root.getChildren().add(statisticsTableView);
+        statisticsTableView.getColumns().add(getCurrencyColumn());
+        statisticsTableView.getColumns().add(getNumberOfOffersColumn());
+        statisticsTableView.getColumns().add(getTotalAmountColumn());
+        statisticsTableView.getColumns().add(getSpreadColumn());
+        statisticsTableView.setColumnResizePolicy(TableView.CONSTRAINED_RESIZE_POLICY);
+        Label placeholder = new Label("Currently there are no offers available");
+        placeholder.setWrapText(true);
+        statisticsTableView.setPlaceholder(placeholder);
+    }
+
+    @Override
+    protected void activate() {
+        statisticsTableView.setItems(model.marketStatisticItems);
+    }
+
+    @Override
+    protected void deactivate() {
+    }
+
+
+    ///////////////////////////////////////////////////////////////////////////////////////////
+    // Columns
+    ///////////////////////////////////////////////////////////////////////////////////////////
+
+    private TableColumn<MarketStatisticItem, MarketStatisticItem> getCurrencyColumn() {
+        TableColumn<MarketStatisticItem, MarketStatisticItem> column = new TableColumn<MarketStatisticItem, MarketStatisticItem>("Currency") {
+            {
+                setMinWidth(100);
+            }
+        };
+        column.setCellValueFactory((item) -> new ReadOnlyObjectWrapper<>(item.getValue()));
+        column.setCellFactory(
+                new Callback<TableColumn<MarketStatisticItem, MarketStatisticItem>, TableCell<MarketStatisticItem,
+                        MarketStatisticItem>>() {
+                    @Override
+                    public TableCell<MarketStatisticItem, MarketStatisticItem> call(
+                            TableColumn<MarketStatisticItem, MarketStatisticItem> column) {
+                        return new TableCell<MarketStatisticItem, MarketStatisticItem>() {
+                            @Override
+                            public void updateItem(final MarketStatisticItem item, boolean empty) {
+                                super.updateItem(item, empty);
+                                if (item != null && !empty)
+                                    setText(CurrencyUtil.getNameByCode(item.currencyCode));
+                                else
+                                    setText("");
+                            }
+                        };
+                    }
+                });
+        return column;
+    }
+
+    private TableColumn<MarketStatisticItem, MarketStatisticItem> getNumberOfOffersColumn() {
+        TableColumn<MarketStatisticItem, MarketStatisticItem> column = new TableColumn<MarketStatisticItem, MarketStatisticItem>("Total offers") {
+            {
+                setMinWidth(100);
+            }
+        };
+        column.setCellValueFactory((item) -> new ReadOnlyObjectWrapper<>(item.getValue()));
+        column.setCellFactory(
+                new Callback<TableColumn<MarketStatisticItem, MarketStatisticItem>, TableCell<MarketStatisticItem,
+                        MarketStatisticItem>>() {
+                    @Override
+                    public TableCell<MarketStatisticItem, MarketStatisticItem> call(
+                            TableColumn<MarketStatisticItem, MarketStatisticItem> column) {
+                        return new TableCell<MarketStatisticItem, MarketStatisticItem>() {
+                            @Override
+                            public void updateItem(final MarketStatisticItem item, boolean empty) {
+                                super.updateItem(item, empty);
+                                if (item != null && !empty)
+                                    setText(String.valueOf(item.numberOfOffers));
+                                else
+                                    setText("");
+                            }
+                        };
+                    }
+                });
+        return column;
+    }
+
+    private TableColumn<MarketStatisticItem, MarketStatisticItem> getTotalAmountColumn() {
+        TableColumn<MarketStatisticItem, MarketStatisticItem> column = new TableColumn<MarketStatisticItem, MarketStatisticItem>("Total amount (BTC)") {
+            {
+                setMinWidth(130);
+            }
+        };
+        column.setCellValueFactory((item) -> new ReadOnlyObjectWrapper<>(item.getValue()));
+        column.setCellFactory(
+                new Callback<TableColumn<MarketStatisticItem, MarketStatisticItem>, TableCell<MarketStatisticItem,
+                        MarketStatisticItem>>() {
+                    @Override
+                    public TableCell<MarketStatisticItem, MarketStatisticItem> call(
+                            TableColumn<MarketStatisticItem, MarketStatisticItem> column) {
+                        return new TableCell<MarketStatisticItem, MarketStatisticItem>() {
+                            @Override
+                            public void updateItem(final MarketStatisticItem item, boolean empty) {
+                                super.updateItem(item, empty);
+                                if (item != null && !empty)
+                                    setText(formatter.formatCoin(item.totalAmount));
+                                else
+                                    setText("");
+                            }
+                        };
+                    }
+                });
+        return column;
+    }
+
+    private TableColumn<MarketStatisticItem, MarketStatisticItem> getSpreadColumn() {
+        TableColumn<MarketStatisticItem, MarketStatisticItem> column = new TableColumn<MarketStatisticItem, MarketStatisticItem>("Spread") {
+            {
+                setMinWidth(130);
+            }
+        };
+        column.setCellValueFactory((item) -> new ReadOnlyObjectWrapper<>(item.getValue()));
+        column.setCellFactory(
+                new Callback<TableColumn<MarketStatisticItem, MarketStatisticItem>, TableCell<MarketStatisticItem,
+                        MarketStatisticItem>>() {
+                    @Override
+                    public TableCell<MarketStatisticItem, MarketStatisticItem> call(
+                            TableColumn<MarketStatisticItem, MarketStatisticItem> column) {
+                        return new TableCell<MarketStatisticItem, MarketStatisticItem>() {
+                            @Override
+                            public void updateItem(final MarketStatisticItem item, boolean empty) {
+                                super.updateItem(item, empty);
+                                if (item != null && !empty && item.spread != null)
+                                    setText(formatter.formatFiatWithCode(item.spread));
+                                else
+                                    setText("");
+                            }
+                        };
+                    }
+                });
+        return column;
+    }
+}

gui/src/main/java/io/bitsquare/gui/main/settings/SettingsView.java

@@ -32,14 +32,12 @@ import javax.inject.Inject;
 
 @FxmlView
 public class SettingsView extends ActivatableViewAndModel<TabPane, Activatable> {
-
-    @FXML Tab preferencesTab, networkSettingsTab;
-
-    private Navigation.Listener navigationListener;
-    private ChangeListener<Tab> tabChangeListener;
-
+    @FXML
+    Tab preferencesTab, networkSettingsTab;
     private final ViewLoader viewLoader;
     private final Navigation navigation;
+    private Navigation.Listener navigationListener;
+    private ChangeListener<Tab> tabChangeListener;
 
     @Inject
     public SettingsView(CachingViewLoader viewLoader, Navigation navigation) {

network/src/main/java/io/bitsquare/p2p/P2PService.java

@@ -341,7 +341,7 @@ public class P2PService implements SetupListener, MessageListener, ConnectionLis
                         connection.setConnectionPriority(ConnectionPriority.DIRECT_MSG);
 
                         log.info("\n\n<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<\n" +
-                                "Received SealedAndSignedMessage and decrypted it.\ndecryptedMsgWithPubKey={}"
+                                "Decrypted SealedAndSignedMessage:\ndecryptedMsgWithPubKey={}"
                                 + "\n<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<\n", decryptedMsgWithPubKey);
                         connection.getPeerAddressOptional().ifPresent(peerAddresses ->
                                 decryptedMailListeners.stream().forEach(
@@ -400,6 +400,9 @@ public class P2PService implements SetupListener, MessageListener, ConnectionLis
         Log.traceCall();
         checkArgument(optionalEncryptionService.isPresent(), "EncryptionService not set. Seems that is called on a seed node which must not happen.");
         try {
+            log.info("\n\n>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>\n" +
+                    "Encrypt message:\nmessage={}"
+                    + "\n>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>\n", message);
             SealedAndSignedMessage sealedAndSignedMessage = new SealedAndSignedMessage(
                     optionalEncryptionService.get().encryptAndSign(pubKeyRing, message), peerAddress.getAddressPrefixHash());
             SettableFuture<Connection> future = networkNode.sendMessage(peerAddress, sealedAndSignedMessage);
@@ -495,6 +498,9 @@ public class P2PService implements SetupListener, MessageListener, ConnectionLis
         checkArgument(optionalKeyRing.isPresent(), "keyRing not set. Seems that is called on a seed node which must not happen.");
         checkArgument(optionalEncryptionService.isPresent(), "EncryptionService not set. Seems that is called on a seed node which must not happen.");
         try {
+            log.info("\n\n>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>\n" +
+                    "Encrypt message:\nmessage={}"
+                    + "\n>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>\n", message);
             SealedAndSignedMessage sealedAndSignedMessage = new SealedAndSignedMessage(
                     optionalEncryptionService.get().encryptAndSign(peersPubKeyRing, message), peerAddress.getAddressPrefixHash());
             SettableFuture<Connection> future = networkNode.sendMessage(peerAddress, sealedAndSignedMessage);