From 61885f57aa0363e253a509a3928882db36f690bf Mon Sep 17 00:00:00 2001
From: "Crom (Thibaut CHARLES)" <crom29@hotmail.fr>
Date: Wed, 19 Nov 2014 14:47:35 +0100
Subject: [PATCH] Moving id is forbidden

---
 source/app.d | 20 ++++++++++++++++++--
 1 file changed, 18 insertions(+), 2 deletions(-)

diff --git a/source/app.d b/source/app.d
index e9d45e4..71c1118 100644
--- a/source/app.d
+++ b/source/app.d
@@ -101,6 +101,19 @@ void main(string[] args)
 	tree.setProperty("tooltip-column", 0);
 	tree.setProperty("reorderable", true);
 	tree.setProperty("headers-clickable", true);
+	tree.addOnColumnsChanged((TreeView tree){
+		auto store = cast(ListStore)tree.getModel();
+
+		if(store.getColumnType(GetColumnStoreIndex(tree, 0)) != GType.INT){
+			writeln("Position 0 is forbidden");
+			foreach(i ; 0..store.getNColumns()){
+				if(store.getColumnType(GetColumnStoreIndex(tree, i))==GType.INT){
+					tree.moveColumnAfter(tree.getColumn(i), null);
+					break;
+				}
+			}
+		}
+	});
 
 
 	//Configure button callbacks
@@ -221,6 +234,10 @@ void main(string[] args)
 
 }
 
+int GetColumnStoreIndex(TreeView tree, int colindex){
+	return cast(int)(tree.getColumn(colindex).getData("colnumber"));
+}
+
 void Save(ref TreeView tree){
 	auto store = cast(ListStore)tree.getModel();
 	if(store !is null){
@@ -236,8 +253,7 @@ void Save(ref TreeView tree){
 			do{
 				file.write(store.getValueInt(it, 0));
 				foreach(i ; 1..store.getNColumns()){
-					int storecol = cast(int)(tree.getColumn(i).getData("colnumber"));
-					file.write("\t\"", store.getValueString(it, storecol), "\"");
+					file.write("\t\"", store.getValueString(it, GetColumnStoreIndex(tree, i)), "\"");
 				}
 				file.write("\n");
 			}while(store.iterNext(it));