diff --git a/src/operations/operationList.component.ts b/src/operations/operationList.component.ts
index 17aa54c..28285e6 100644
--- a/src/operations/operationList.component.ts
+++ b/src/operations/operationList.component.ts
@@ -1,3 +1,4 @@
+// vim: set tw=80 ts=2 sw=2 sts=2 :
 import { Component, Inject, OnInit } from '@angular/core';
 import { Observable } from 'rxjs/Rx';
 
@@ -12,14 +13,15 @@ import { OperationService } from './operation.service';
 import { OperationEditModalComponent } from './operationEditModal.component';
 
 @Component({
-    selector: 'operation-list',
-    template: `
+  selector: 'operation-list',
+  template: `
 <div>
   <div class="row">
     <div class="col-md-9">
       <balance-chart (onUpdate)="onUpdate($event)"
         [account]="account"></balance-chart>
     </div>
+
     <div class="col-md-3">
       <category-chart
         [minDate]="minDate"
@@ -63,94 +65,94 @@ import { OperationEditModalComponent } from './operationEditModal.component';
     `
 })
 export class OperationListComponent implements OnInit {
-    private account: Account;
-    private minDate: Date;
-    private maxDate: Date;
-    private operations: Operation[];
+  private account: Account;
+  private minDate: Date;
+  private maxDate: Date;
+  private operations: Operation[];
 
-    constructor(
-        @Inject("accountIdService") private accountIdService,
-        private toastrService: ToastrService,
-        private operationService: OperationService,
-        private accountService: AccountService,
-        private logger: Logger,
-        private ngbModal: NgbModal,
-    ) {}
+  constructor(
+    @Inject("accountIdService") private accountIdService,
+    private toastrService: ToastrService,
+    private operationService: OperationService,
+    private accountService: AccountService,
+    private logger: Logger,
+    private ngbModal: NgbModal,
+  ) {}
 
-    ngOnInit() {
-        this.accountService.get(this.accountIdService.get()).subscribe(account => {
-            this.account = account
-        });
+  ngOnInit() {
+    this.accountService.get(this.accountIdService.get()).subscribe(account => {
+      this.account = account
+    });
+  }
+
+  /*
+   * Add an empty operation.
+   */
+  add() {
+    var operation = new Operation();
+    operation.account_id = this.accountIdService.get();
+
+    return this.modify(operation);
+  };
+
+  /*
+   * Load operations.
+   */
+  load(minDate, maxDate) {
+    this.minDate = minDate;
+    this.maxDate = maxDate;
+
+    return this.operationService.query(
+      this.accountIdService.get(),
+      minDate,
+      maxDate
+    ).subscribe((operations: Operation[]) => {
+      this.operations = operations.reverse();
+    });
+  };
+
+  /*
+   * Save an operation and return a promise.
+   */
+  save(operation) {
+    operation.confirmed = true;
+
+    var observable: Observable<Operation>;
+
+    if(operation.id){
+      observable = this.operationService.update(operation);
+    } else {
+      observable = this.operationService.create(operation);
     }
 
-    /*
-     * Add an empty operation.
-     */
-    add() {
-        var operation = new Operation();
-        operation.account_id = this.accountIdService.get();
+    return observable.subscribe((operation) => {
+      this.toastrService.success('Operation #' + operation.id + ' saved.');
 
-        return this.modify(operation);
-    };
+      this.load(this.minDate, this.maxDate);
 
-    /*
-     * Load operations.
-     */
-    load(minDate, maxDate) {
-        this.minDate = minDate;
-        this.maxDate = maxDate;
+      return operation;
+    }, (result) => {
+      this.toastrService.error(
+        'Error while saving operation: ' + result.message
+      );
+    });
+  };
 
-        return this.operationService.query(
-            this.accountIdService.get(),
-            minDate,
-            maxDate
-        ).subscribe((operations: Operation[]) => {
-            this.operations = operations.reverse();
-        });
-    };
+  modify(operation) {
+    // FIXME Alexis Lahouze 2017-06-15 i18n
+    const modal = this.ngbModal.open(OperationEditModalComponent, {
+      windowClass: 'in'
+    });
 
-    /*
-     * Save an operation and return a promise.
-     */
-    save(operation) {
-        operation.confirmed = true;
+    modal.componentInstance.operation = operation;
 
-        var observable: Observable<Operation>;
+    modal.result.then((operation: Operation) => {
+      this.save(operation);
+    }, (reason) => {
+    });
+  };
 
-        if(operation.id){
-            observable = this.operationService.update(operation);
-        } else {
-            observable = this.operationService.create(operation);
-        }
-
-        return observable.subscribe((operation) => {
-            this.toastrService.success('Operation #' + operation.id + ' saved.');
-
-            this.load(this.minDate, this.maxDate);
-
-            return operation;
-        }, (result) => {
-            this.toastrService.error(
-                'Error while saving operation: ' + result.message
-            );
-        });
-    };
-
-    modify(operation) {
-        // FIXME Alexis Lahouze 2017-06-15 i18n
-        const modal = this.ngbModal.open(OperationEditModalComponent, {
-          windowClass: 'in'
-        });
-
-        modal.componentInstance.operation = operation;
-
-        modal.result.then((operation: Operation) => {
-            this.save(operation);
-        }, (reason) => {
-        });
-    };
-
-    onUpdate(dateRange) {
-        this.load(dateRange.minDate, dateRange.maxDate);
-    };
+  onUpdate(dateRange) {
+    this.load(dateRange.minDate, dateRange.maxDate);
+  };
 };