Merge pull request #111 from Denton-L/fix-110

Fix #110

src/app.js

@@ -193,8 +193,12 @@ var run = function () {
       $fileNameInputEl.off('blur');
       $fileNameInputEl.off('keyup');
 
-      if (newName !== originalName && confirm('Are you sure you want to rename: ' + originalName + ' to ' + newName + '?')) {
+      if (newName !== originalName && confirm(
+            storage.exists(utils.fileKey(newName))
+            ? 'Are you sure you want to overwrite: ' + newName + ' with ' + originalName + '?'
+            : 'Are you sure you want to rename: ' + originalName + ' to ' + newName + '?')) {
         storage.rename(utils.fileKey(originalName), utils.fileKey(newName));
+        editor.renameSession(utils.fileKey(originalName), utils.fileKey(newName));
         editor.setCacheFile(utils.fileKey(newName));
       }
 
@@ -211,6 +215,7 @@ var run = function () {
 
     if (confirm('Are you sure you want to remove: ' + name + ' from local storage?')) {
       storage.remove(utils.fileKey(name));
+      editor.removeSession(utils.fileKey(name));
       editor.setNextFile(utils.fileKey(name));
       updateFiles();
     }
@@ -234,6 +239,7 @@ var run = function () {
     var files = editor.getFiles();
 
     $filesEl.find('.file').remove();
+    $('#output').empty();
 
     for (var f in files) {
       $filesEl.append(fileTabTemplate(files[f]));

src/app/editor.js

@@ -21,7 +21,6 @@ function Editor (loadingFromGist, storage) {
       untitledCount = (untitledCount - 0) + 1;
     }
     SOL_CACHE_FILE = SOL_CACHE_UNTITLED + untitledCount;
-    sessions[SOL_CACHE_FILE] = null;
     this.setCacheFileContent('');
   };
 
@@ -31,7 +30,6 @@ function Editor (loadingFromGist, storage) {
 
     fileReader.onload = function (e) {
       storage.set(cacheName, e.target.result);
-      sessions[cacheName] = null;
       SOL_CACHE_FILE = cacheName;
       callback();
     };
@@ -64,6 +62,17 @@ function Editor (loadingFromGist, storage) {
     editor.focus();
   };
 
+  this.removeSession = function (fileKey) {
+    delete sessions[fileKey];
+  };
+
+  this.renameSession = function (oldFileKey, newFileKey) {
+    if (oldFileKey !== newFileKey) {
+      sessions[newFileKey] = sessions[oldFileKey];
+      this.removeSession(oldFileKey);
+    }
+  };
+
   this.hasFile = function (name) {
     return this.getFiles().indexOf(utils.fileKey(name)) !== -1;
   };