From b4a2b23025aba0e635f024687a4ff20a8f13cb85 Mon Sep 17 00:00:00 2001
From: Tom Hughes <tom@compton.nu>
Date: Thu, 13 Mar 2014 17:33:06 +0000
Subject: [PATCH 1/1] Block submission of the export form when the area is too
 large

---
 app/assets/javascripts/index/export.js | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/app/assets/javascripts/index/export.js b/app/assets/javascripts/index/export.js
index 6e6867e5b..3210bf1d1 100644
--- a/app/assets/javascripts/index/export.js
+++ b/app/assets/javascripts/index/export.js
@@ -53,6 +53,10 @@ OSM.Export = function(map) {
     $("#export_commit").toggle(getBounds().getSize() < OSM.MAX_REQUEST_AREA);
   }
 
+  function checkSubmit(e) {
+    if (getBounds().getSize() > OSM.MAX_REQUEST_AREA) e.preventDefault();
+  }
+
   page.pushstate = page.popstate = function(path) {
     $("#export_tab").addClass("current");
     OSM.loadSidebarContent(path, page.load);
@@ -66,6 +70,7 @@ OSM.Export = function(map) {
     $("#maxlat, #minlon, #maxlon, #minlat").change(boundsChanged);
     $("#drag_box").click(enableFilter);
     $("#sidebar_content .close").on("click", page.minimizeSidebar);
+    $(".export_form").on("submit", checkSubmit);
 
     update();
     return map.getState();
-- 
2.39.5