X-Git-Url: https://git-public.kairo.at/?p=lantea.git;a=blobdiff_plain;f=js%2Fui.js;h=bc3303d8474674363375f89e8f02060c1c823a0e;hp=7ed15e286fe8cabe54dd1c92cbb46a1a1cb78e5c;hb=b5e49b956629a45c3af14a87790060cbf18a718a;hpb=3d99a6fd7f01119be461690e77a4cf10fd4122ba

diff --git a/js/ui.js b/js/ui.js
index 7ed15e2..bc3303d 100644
--- a/js/ui.js
+++ b/js/ui.js
@@ -47,7 +47,7 @@ window.onload = function() {
       if (gWaitCounter <= 0)
         gWaitCounter = 0;
       else
-        document.getElementById("debug").textContent = "Loading failed (waiting for init).";
+        console.log("Loading failed (waiting for init).");
 
       gMapPrefsLoaded = true;
       resizeAndDraw();
@@ -66,24 +66,33 @@ window.onresize = function() {
 
 function initDB() {
   // Open DB.
-  var request = window.indexedDB.open("MainDB", 1);
+  var request = window.indexedDB.open("MainDB", 2);
   request.onerror = function(event) {
     // Errors can be handled here. Error codes explain in:
     // https://developer.mozilla.org/en/IndexedDB/IDBDatabaseException#Constants
-    //document.getElementById("debug").textContent =
-    //  "error opening mainDB: " + event.target.errorCode;
+    if (gDebug)
+      console.log("error opening mainDB: " + event.target.errorCode);
   };
   request.onsuccess = function(event) {
-    //document.getElementById("debug").textContent = "mainDB opened.";
     mainDB = request.result;
   };
   request.onupgradeneeded = function(event) {
     mainDB = request.result;
-    //document.getElementById("debug").textContent = "mainDB upgraded.";
-    // Create a "prefs" objectStore.
-    var prefsStore = mainDB.createObjectStore("prefs");
-    // Create a "track" objectStore.
-    var trackStore = mainDB.createObjectStore("track", {autoIncrement: true});
+    var ver = mainDB.version || 0; // version is empty string for a new DB
+    if (gDebug)
+      console.log("mainDB has version " + ver + ", upgrade needed.");
+    if (!mainDB.objectStoreNames.contains("prefs")) {
+      // Create a "prefs" objectStore.
+      var prefsStore = mainDB.createObjectStore("prefs");
+    }
+    if (!mainDB.objectStoreNames.contains("track")) {
+      // Create a "track" objectStore.
+      var trackStore = mainDB.createObjectStore("track", {autoIncrement: true});
+    }
+    if (!mainDB.objectStoreNames.contains("tilecache")) {
+      // Create a "tilecache" objectStore.
+      var tilecacheStore = mainDB.createObjectStore("tilecache");
+    }
     mainDB.onversionchange = function(event) {
       mainDB.close();
       mainDB = undefined;