Works aside from buy button being missing

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

@@ -126,15 +126,16 @@ public class ShopQuestion extends Question {
             form.endHorizontalFlow();
         }
 
-        // Items table
-        form.beginTable(items.size(), new String[] { "Item", "Description", "Price", "Buy" });
+        // 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);
         for (ShopItem item : items) {
-            form.addLabel(escape(item.getName()));
-            form.addLabel(escape(item.getDescription()));
-            form.addLabel(escape(item.getPriceDisplay()));
-            form.addButton("+1", "buy_" + item.getId());
+            String priceCell = "text=\"" + escape(item.getPriceDisplay()) + "\"";
+            String buyCell = "button{id=\"buy_" + item.getId() + "\";text=\"+1\"}";
+            form.addTreeRow("i" + item.getId(), item.getName(), item.getDescription(), priceCell, buyCell);
         }
-        form.endTable();
+        form.endTree();
 
         form.beginHorizontalFlow();
         form.addButton("Close", "close");

src/main/java/mod/treestar/shopmod/util/BmlForm.java

@@ -16,7 +16,7 @@ public class BmlForm {
     private int openColumns = 0;
     private int openTables = 0;
     private int indentNum = 0;
-    private boolean beautify = false;
+    private boolean beautify = true;
     private boolean closeDefault = false;
 
     public BmlForm() {
@@ -210,6 +210,43 @@ public class BmlForm {
         this.buf.append(this.indent("button{text='  " + name + "  ';id='" + id + "'}"));
     }
 
+    private String escape(String val) {
+        if (val == null) {
+            return "";
+        }
+        return val.replace("\"", "''");
+    }
+
+    public void beginTree(String id, int cols, String headers) {
+        this.buf.append(this.indent("tree{id=\"" + id + "\";cols=\"" + cols + "\";showheader=\"true\";" + headers));
+        ++this.indentNum;
+        ++this.openTrees;
+    }
+
+    public void endTree() {
+        --this.indentNum;
+        this.buf.append(this.indent("}"));
+        --this.openTrees;
+    }
+
+    public void addTreeRow(String id, String name, String hover, String... cells) {
+        StringBuilder row = new StringBuilder();
+        row.append("row{id=\"").append(id).append("\";");
+        if (hover != null && !hover.isEmpty()) {
+            row.append("hover=\"").append(escape(hover)).append("\";");
+        }
+        row.append("name=\"").append(name).append("\";rarity=\"0\";children=\"0\";");
+        for(int i=0;i<cells.length;i++) {
+            String c = cells[i];
+            row.append("col{").append(c).append("}");
+            if(i != cells.length-1) {
+                row.append(";");
+            }
+        }
+        row.append("}");
+        this.buf.append(this.indent(row.toString()));
+    }
+
     public String toString() {
         if (this.closeDefault) {
             this.endVerticalFlow();