Added dependency injection to command handlers.

app/app.js

@@ -39,6 +39,17 @@
             cmd.subscribe(handler);
         }
 
+        if (typeof handler == "object") {
+
+            if(typeof handler.execute != "function"){
+                console.warn('Given handler is an object, but doesn\'t have "execute" function');
+                return cmd;
+            }
+
+            this.di.resolveProperties(handler);
+            cmd.subscribe(handler.execute.bind(handler));
+        }
+
         return cmd;
     };
 
@@ -55,8 +66,6 @@
         runObservers.forEach(function(o){ o(); });
     }
 
-    window.app = app;
-
     app.addControllerMixin = function (component) {
         component.attachView = function(viewElement) {
 
@@ -77,5 +86,6 @@
         };
     }
 
+    window.app = app;
 
 })(window.should, window.commandr, window.bindr, window.Container);

components/container.js

@@ -1,7 +1,6 @@
 (function(should){
     function Container(store) {
         this.store = {};
-        this.resolved = {};
     }
 
     Container.prototype.register = function(name, inst) {
@@ -13,10 +12,11 @@
         return reg;
     };
 
+    // TODO: Check for circular - dependencies
     Container.prototype.resolve = function(name) {
         var reg = this.store[name];
         if(reg == null) {
-            throw new Error(''); // TODO: wrote
+            throw new Error(name + ' component is not registered');
         }
 
         if(reg.resolved == null) {
@@ -34,6 +34,10 @@
             if(property[0] == '$') {
                 var name = property.substr(1, property.length - 1);
                 instance[property] = this.resolve(name);
+
+                if(instance[property] == null) {
+                    console.log('"' + property + '" property couldn\'t be resolved')
+                }
             }
         }
     };

index.html

@@ -36,23 +36,25 @@
 
     (function(){
         var app = window.app;
-        var expression = app.service('expression');
-
         var html = app.service('html');
         var resultView = app.service('resultView');
 
         // Expression
-        app.command('dispatchInput', function(cmdArgs) {
+        app.command('dispatchInput', {
+            $expression: null,
+            $resultView: null,
+            execute:function(cmdArgs) {
 
-            var expr = expression.parse(cmdArgs.input);
-            if(expr == null) {
-                return;
+                var expr = this.$expression.parse(cmdArgs.input);
+                if(expr == null) {
+                    return;
+                }
+
+                var expressionView = new window.app.views.ExpressionView(expr);
+                this.$resultView.insert(expressionView.render());
+
+                cmdArgs.commandHandled = true;
             }
-
-            var expressionView = new window.app.views.ExpressionView(expr);
-            resultView.insert(expressionView.render());
-
-            cmdArgs.commandHandled = true;
         });
 
         // Help
@@ -93,18 +95,6 @@
             cmdArgs.commandHandled = true;
         });
 
-        app.di.register("ts", {
-            $html:null,
-            doStuff: function() {
-                console.log(this.$html);
-            }
-        });
-
-        app.di.register('html', { he: 23});
-
-        var t = app.di.resolve('ts');
-        t.doStuff();
-
         app.bootstrap(document.getElementById('rootView'));
     })();