From 78039ce424d4c4b5b9011b99e993ac7bd80a3a9c Mon Sep 17 00:00:00 2001
From: Ian Jackson <ian@liberator.relativity.greenend.org.uk>
Date: Sat, 4 Sep 2010 17:29:42 +0100
Subject: [PATCH] check the user has not reorganised the table

---
 .../tedpearson/ypp/market/MarketUploader.java | 30 ++++++++++++++++---
 1 file changed, 26 insertions(+), 4 deletions(-)

diff --git a/src/com/tedpearson/ypp/market/MarketUploader.java b/src/com/tedpearson/ypp/market/MarketUploader.java
index 7632c01..729c686 100644
--- a/src/com/tedpearson/ypp/market/MarketUploader.java
+++ b/src/com/tedpearson/ypp/market/MarketUploader.java
@@ -378,12 +378,12 @@ public class MarketUploader implements TopLevelWindowListener, GUIInitializedLis
 			yarrgts = getYarrgTimestamp();
 		}
 
-		AccessibleTable t = findMarketTable();
-		if(t == null) {
+		AccessibleTable accesstable = findMarketTable();
+		if(accesstable == null) {
 			error("Market table not found! Please open the Buy/Sell Commodities interface.");
 			return;
 		}
-		if(t.getAccessibleRowCount() == 0) {
+		if(accesstable.getAccessibleRowCount() == 0) {
 			error("No data found, please wait for the table to have data first!");
 			return;
 		}
@@ -399,7 +399,29 @@ public class MarketUploader implements TopLevelWindowListener, GUIInitializedLis
 		    latch.await(2, java.util.concurrent.TimeUnit.SECONDS);
 		}
 
-		ArrayList<ArrayList<String>> data = getData(t);
+		String headings_expected[] = new String[]
+		    { "Commodity", "Trading outlet", "Buy price", "Will buy", "Sell price", "Will sell" };
+		ArrayList<ArrayList<String>> headers = getData(accesstable.getAccessibleColumnHeader());
+		if (headers.size() != 1) {
+		    error("Table headings not one row! " + headers.toString());
+		    return;
+		}
+		if (headers.get(0).size() != 6) {
+		    error("Table headings not six columns! " + headers.toString());
+		    return;
+		}
+		for (int col=0; col<headings_expected.length; col++) {
+		    String expd = headings_expected[col];
+		    String got = headers.get(0).get(col);
+		    if (expd.compareTo(got) != 0) {
+			error("Table heading for column "+col
+			      +" is not \""+expd+"\" but \""+got+"\".\n\n"
+			      +"Please do not reorder the table when using this tool.");
+			return;
+		    }
+		}
+
+		ArrayList<ArrayList<String>> data = getData(accesstable);
 
 		if (uploadToYarrg && yarrgts != null) {
 			pm.setNote("Yarrg: Preparing data");
-- 
2.30.2