More fixes and cleanup

src/main/java/com/wurmonline/server/questions/ShopQuestion.java

@@ -55,9 +55,10 @@ public class ShopQuestion extends Question {
         }
 
         String buyKey = properties.stringPropertyNames().stream()
-                .filter(k -> k.startsWith("buy_") && properties.getProperty(k).equals("true"))
+                .filter(k -> k.equals("selected_item") && properties.getProperty(k).startsWith("buy_"))
                 .findFirst()
                 .orElse(null);
+        buyKey = properties.getProperty(buyKey);
 
         if (properties.containsKey("close")) {
             logger.log(Level.INFO, "ShopQuestion.answer: close requested");
@@ -144,16 +145,17 @@ public class ShopQuestion extends Question {
             form.endHorizontalFlow();
         }
 
-        // Items tree (hover shows description)
-        int height = 16 + 16 * items.size();
-        String header = "height=\"" + height + "\"col{text=\"Price\";width=\"80\"};col{text=\"Buy\";width=\"50\"};";
-        form.beginTree("shopItems", 2, header);
+        // Items table with header row
+        form.beginTable(items.size(), new String[] {"Name", "Cost", "Buy"});
+
+        // Item rows
         for (ShopItem item : items) {
-            String priceCell = "text=\"" + escape(item.getPriceDisplay()) + "\"";
-            String buyCell = "id=\"buy_" + item.getId() + "\";text=\"+1\";checkbox=\"true\"";
-            form.addTreeRow("i" + item.getId(), item.getName(), item.getDescription(), priceCell, buyCell);
+            form.addRaw("label{text=\"" + escape(item.getName()) + "\";hover=\"" + escape(item.getDescription()) + "\"};");
+            form.addLabel(item.getPriceDisplay());
+            form.addRaw("radio{id=\"buy_" + item.getId() + "\";group=\"selected_item\"}");
         }
-        form.endTree();
+
+        form.endTable();
 
         form.beginHorizontalFlow();
         form.addButton("Close", "close");

src/main/java/mod/treestar/shopmod/purchasehandlers/ShopWurmItemPurchaseEffect.java

@@ -14,6 +14,9 @@ public class ShopWurmItemPurchaseEffect implements ShopItemPurchaseEffect {
     private float ql;
     private boolean randomQl;
     private byte rarity;
+    private int weight;
+
+    private int liquidContainerTemplateId;
 
     public void setItemTemplateId(int itemTemplateId) {
         this.itemTemplateId = itemTemplateId;
@@ -31,6 +34,14 @@ public class ShopWurmItemPurchaseEffect implements ShopItemPurchaseEffect {
         this.rarity = rarity;
     }
 
+    public void setLiquidContainerTemplateId(int liquidContainerTemplateId) {
+        this.liquidContainerTemplateId = liquidContainerTemplateId;
+    }
+
+    public void setWeight(int weight) {
+        this.weight = weight;
+    }
+
     @Override
     public void onPurchase(Player player) {
         try {
@@ -38,9 +49,23 @@ public class ShopWurmItemPurchaseEffect implements ShopItemPurchaseEffect {
             if(randomQl) {
                 thisPurchaseQl = Server.rand.nextInt(99) + 1;
             }
-            Item item = ItemFactory.createItem(itemTemplateId, thisPurchaseQl, (byte) 0, (byte) rarity, null);
-            player.getInventory().insertItem(item);
             ItemTemplate template = ItemTemplateFactory.getInstance().getTemplate(itemTemplateId);
+            Item item = null;
+            if(template.isLiquid()) {
+                Item liquid = ItemFactory.createItem(itemTemplateId, thisPurchaseQl, (byte)0, (byte)rarity, null);
+                item = ItemFactory.createItem(liquidContainerTemplateId > 0 ? liquidContainerTemplateId : ItemList.barrelSmall, 1, (byte)0, (byte)rarity, null);
+                item.insertItem(liquid);
+                if(weight != 0) {
+                    liquid.setWeight(weight, false, true);
+                }
+            }
+            else {
+                item = ItemFactory.createItem(itemTemplateId, thisPurchaseQl, (byte) 0, (byte) rarity, null);
+                if(weight != 0) {
+                    item.setWeight(weight, false, true);
+                }
+            }
+            player.getInventory().insertItem(item);
             player.sendSystemMessage(String.format("You receive a %s.", template.getName()));
         } catch (NoSuchTemplateException e) {
             throw new RuntimeException(e);