add open file

js/controller.js

@@ -43,9 +43,9 @@ class Controller {
     this.model.dirTree().then(
       function (value) {
         view.removeDirTree();
-        view.drawDirTree(value);
+        view.drawDirTree(value, undefined, this);
         view.dirTreeToggler();
-      },
+      }.bind(this),
       function (error) {}
     );
   }
@@ -61,4 +61,13 @@ class Controller {
     this.view.closeSettings();
     console.log(repo.value);
   }
+
+  loadFile(file) {
+    this.model.readFile(file).then(
+      function (value) {
+        this.view.openFile(value);
+      }.bind(this),
+      function (error) {}
+    );
+  }
 }