Initialize account from parent.

src/operations/balance-chart.component.js

@@ -35,6 +35,7 @@ var balanceChartModule = angular.module('balanceChartModule', [
 .component('balanceChart', {
     template: '<div></div>',
     bindings: {
+        account: '<',
         onUpdate: '&'
     },
     controller: function($routeParams, Balances, Account, $element) {
@@ -131,10 +132,6 @@ var balanceChartModule = angular.module('balanceChartModule', [
                     },
                     y: {
                         show: true,
-                        lines: [
-                            { value: 0, axis: 'y2' },
-                            { value: 0, axis: 'y', class: 'zeroline'}
-                        ]
                     }
                 },
                 tooltip: {
@@ -153,12 +150,34 @@ var balanceChartModule = angular.module('balanceChartModule', [
             });
 
             vm.loadData();
+        };
+
+        vm.setLines = function(account) {
+            if(vm.chart) {
+                vm.chart.ygrids([
+                    { value: 0, axis: 'y2' },
+                    { value: 0, axis: 'y', class: 'zeroline'},
+                ]);
 
-            Account.get({id: $routeParams.accountId}, function(result) {
                 vm.chart.ygrids.add({
-                    value: result.authorized_overdraft, class: 'overdraft'
+                    value: account.authorized_overdraft,
+                    axis: 'y',
+                    class: 'overdraft'
                 });
+            }
+        };
+
+        vm.$onChanges = function(changes) {
+            if('account' in changes) {
+                if('$promise' in vm.account && vm.account.$resolved === false) {
+                    vm.account.$promise.then(function(account) {
+                        vm.setLines(account);
+                        return account;
                     });
+                } else {
+                    vm.setLines(vm.account);
+                }
+            }
         };
     }
 }).factory('Balances', function($resource) {