1. Fix the old setVersion code - It's great to delete old code :)

2. Change the readme file to md.
greenido · Jul 4, 2013 · ada5502 · ada5502
1 parent 5d069a7
commit ada5502
Show file tree

Hide file tree

Showing 2 changed files with 16 additions and 39 deletions.
diff --git a/README → README.md b/README → README.md
diff --git a/jqm_indexedDB.html b/jqm_indexedDB.html
@@ -17,19 +17,18 @@
 
   <script>
       var dbName = "jqm-todo";
-      var dbVersion = 1;
+      var dbVersion = 4;
       var todoDB = {};
       var indexedDB = window.indexedDB || window.webkitIndexedDB ||
         window.mozIndexedDB;
 
       if ('webkitIndexedDB' in window) {
-        window.IDBTransaction = window.webkitIDBTransaction;
+        //   window.IDBTransaction = window.webkitIDBTransaction;
         window.IDBKeyRange = window.webkitIDBKeyRange;
       }
 
       todoDB.indexedDB = {};
       todoDB.indexedDB.db = null;
-
 
       $(document).bind('pageinit', function() {
         console.log("-- lets start the party --");
@@ -49,52 +48,30 @@
         request.onsuccess = function(e) {
           console.log ("success our DB: " + dbName + " is open and ready for work");
           todoDB.indexedDB.db = e.target.result;
-          var db = todoDB.indexedDB.db;
-          if (db.setVersion) {
-            console.log("in old setVersion: "+ db.setVersion);
-              if (db.version != dbVersion) {
-                  var req = db.setVersion(dbVersion);
-                  req.onsuccess = function () {
-                    if(db.objectStoreNames.contains("todo")) {
-                      db.deleteObjectStore("todo");
-                    }
-
-                    var store = db.createObjectStore("todo", {keyPath: "timeStamp"});
-                    var trans = req.result;
-                    trans.oncomplete = function(e) {
-                      console.log("== oncomplete transaction ==");
-                      todoDB.indexedDB.getAllTodoItems();
-                    }
-                  };
-              }
-              else {
-                  todoDB.indexedDB.getAllTodoItems();
-              }
-          }
-          else {
-              todoDB.indexedDB.getAllTodoItems();
-          }
+          todoDB.indexedDB.getAllTodoItems();
         }
 
         request.onupgradeneeded = function(e) {
           todoDB.indexedDB.db = e.target.result;
           var db = todoDB.indexedDB.db;
-          console.log ("Going to upgrade our DB from version: "+ db.version + " to " + dbVersion);
-          if (db.version != dbVersion) {
-            if(db.objectStoreNames.contains("todo")) {
-              db.deleteObjectStore("todo");
-            }
+          console.log ("Going to upgrade our DB from version: "+ e.oldVersion + " to " + e.newVersion);
 
+            try {
+              if (db.objectStoreNames && db.objectStoreNames.contains("todo")) {
+                db.deleteObjectStore("todo");
+              }
+            }
+            catch (err) {
+              console.log("got err in objectStoreNames:" + err);
+            }
             var store = db.createObjectStore("todo",
                 {keyPath: "timeStamp"});
             console.log("-- onupgradeneeded store:"+ JSON.stringify(store));
           }
-        }
 
         request.onfailure = function(e) {
           console.error("could not open our DB! Err:"+e);  
         }
-
 
         request.onerror = function(e) {
           console.error("Well... How should I put it? We have some issues with our DB! Err:"+e);
@@ -103,7 +80,7 @@
 
       todoDB.indexedDB.addTodo = function(todoText) {
         var db = todoDB.indexedDB.db;
-        var trans = db.transaction(['todo'], "readwrite");
+        var trans = todoDB.indexedDB.db.transaction("todo", "readwrite");
         var store = trans.objectStore("todo");
 
         var data = {
@@ -124,7 +101,7 @@
 
       todoDB.indexedDB.deleteTodo = function(id) {
         var db = todoDB.indexedDB.db;
-        var trans = db.transaction(["todo"], "readwrite");
+        var trans = db.transaction("todo", "readwrite");
         var store = trans.objectStore("todo");
 
         var request = store.delete(id);
@@ -143,7 +120,7 @@
         todos.innerHTML = "";
 
         var db = todoDB.indexedDB.db;
-        var trans = db.transaction(["todo"], "readwrite");
+        var trans = db.transaction("todo", "readonly");
         var store = trans.objectStore("todo");
 
         // Get everything in the store;
@@ -202,7 +179,7 @@
         request.onsuccess = function(event) {
           // Enumerate the entire object store.
           var db = todoDB.indexedDB.db;
-          var trans = db.transaction(["todo"], IDBTransaction.READ_ONLY);
+          var trans = db.transaction("todo", "readonly");
           var request = trans.objectStore("todo").openCursor();
           var ul = document.createElement("ul");
           request.onsuccess = function(event) {