Hovering over deck name in lobby displays comment from .dck file

forge-gui-desktop/src/main/java/forge/itemmanager/DeckManager.java

@@ -27,6 +27,7 @@
 import forge.gui.UiCommand;
 import forge.gui.framework.FScreen;
 import forge.item.InventoryItem;
+import forge.itemmanager.views.DeckNameCommentRenderer;
 import forge.itemmanager.views.ItemCellRenderer;
 import forge.itemmanager.views.ItemListView;
 import forge.itemmanager.views.ItemTableColumn;
@@ -90,11 +91,21 @@ public void setup(final ItemManagerConfig config0) {
 
         Map<ColumnDef, ItemTableColumn> colOverrides = null;
         if (config0.getCols().containsKey(ColumnDef.DECK_ACTIONS)) {
+            colOverrides = new HashMap<>();
             final ItemTableColumn column = new ItemTableColumn(new ItemColumn(config0.getCols().get(ColumnDef.DECK_ACTIONS)));
             column.setCellRenderer(new DeckActionsRenderer());
-            colOverrides = new HashMap<>();
             colOverrides.put(ColumnDef.DECK_ACTIONS, column);
         }
+
+        if (config0.getCols().containsKey(ColumnDef.NAME)) {
+            if (colOverrides == null) {
+                colOverrides = new HashMap<>();
+            }
+            final ItemTableColumn nameColumn = new ItemTableColumn(new ItemColumn(config0.getCols().get(ColumnDef.NAME)));
+            nameColumn.setCellRenderer(new DeckNameCommentRenderer());
+            colOverrides.put(ColumnDef.NAME, nameColumn);
+        }
+
         super.setup(config0, colOverrides);
 
         if (isStringOnly != wasStringOnly) {

forge-gui-desktop/src/main/java/forge/itemmanager/views/DeckNameCommentRenderer.java

@@ -0,0 +1,120 @@
+/*
+ * Forge: Play Magic: the Gathering.
+ * Copyright (C) 2011  Forge Team
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package forge.itemmanager.views;
+
+import java.awt.Component;
+import java.util.Map.Entry;
+
+import javax.swing.JLabel;
+import javax.swing.JTable;
+
+
+import org.apache.commons.lang3.StringUtils;
+
+import forge.deck.Deck;
+import forge.deck.DeckProxy;
+
+/**
+ * NAME column renderer for {@link forge.itemmanager.DeckManager}: shows deck display name and
+ * uses the deck file comment as the cell tooltip when present.
+ */
+@SuppressWarnings("serial")
+public final class DeckNameCommentRenderer extends ItemCellRenderer {
+
+    private static final int TOOLTIP_WRAP_WIDTH = 72;
+
+    @Override
+    public Component getTableCellRendererComponent(final JTable table, final Object value,
+            final boolean isSelected, final boolean hasFocus, final int row, final int column) {
+        final JLabel lbl = (JLabel) super.getTableCellRendererComponent(table, value, isSelected, hasFocus, row, column);
+        final DeckProxy proxy = deckProxyFromRow(table, row);
+        if (proxy == null) {
+            lbl.setToolTipText(null);
+            return lbl;
+        }
+        final Deck deck = proxy.getDeck();
+        final String comment = deck != null ? deck.getComment() : null;
+        final String trimmed = StringUtils.trimToNull(comment);
+        if (trimmed != null) {
+            lbl.setToolTipText(toHtmlWrappedTooltip(trimmed));
+        } else {
+            lbl.setToolTipText(null);
+        }
+        return lbl;
+    }
+
+    private static DeckProxy deckProxyFromRow(final JTable table, final int row) {
+        if (!(table.getModel() instanceof ItemListView.ItemTableModel)) {
+            return null;
+        }
+        final ItemListView<?>.ItemTableModel tm = (ItemListView<?>.ItemTableModel) table.getModel();
+        final Entry<?, Integer> entry = tm.rowToItem(row);
+        if (entry != null && entry.getKey() instanceof DeckProxy) {
+            return (DeckProxy) entry.getKey();
+        }
+        return null;
+    }
+
+    private static String toHtmlWrappedTooltip(final String comment) {
+        final String[] lines = comment.split("[\r\n]", -1);
+        final StringBuilder out = new StringBuilder("<html>");
+        for (int i = 0; i < lines.length; i++) {
+            if (i > 0) {
+                out.append("<br/>");
+            }
+            appendWrappedEscapedLine(out, lines[i]);
+        }
+        out.append("</html>");
+        return out.toString();
+    }
+
+    private static void appendWrappedEscapedLine(final StringBuilder out, final String line) {
+        final String escaped = escapeHtml(line);
+        if (escaped.isEmpty()) {
+            return;
+        }
+        String remaining = escaped;
+        boolean first = true;
+        while (remaining.length() > TOOLTIP_WRAP_WIDTH) {
+            int breakAt = remaining.lastIndexOf(' ', TOOLTIP_WRAP_WIDTH);
+            if (breakAt <= 0) {
+                breakAt = TOOLTIP_WRAP_WIDTH;
+            }
+            if (!first) {
+                out.append("<br/>");
+            }
+            out.append(remaining, 0, breakAt);
+            if (breakAt < remaining.length() && remaining.charAt(breakAt) == ' ') {
+                remaining = remaining.substring(breakAt + 1);
+            } else {
+                remaining = remaining.substring(breakAt);
+            }
+            first = false;
+        }
+        if (!remaining.isEmpty()) {
+            if (!first) {
+                out.append("<br/>");
+            }
+            out.append(remaining);
+        }
+    }
+
+    private static String escapeHtml(final String s) {
+        return s.replace("&", "&amp;").replace("<", "&lt;").replace(">", "&gt;").replace("\"", "&quot;");
+    }
+}