From 2b2d9e211d3bad5786817e5364be8894edbb58c7 Mon Sep 17 00:00:00 2001
From: Tobias Gassmann <tobias@gaszmann.de>
Date: Tue, 24 Oct 2017 11:51:38 +0200
Subject: [PATCH 1/2] introduce onOpen and onClose Events to Datepicker (just
 like it is done in the select-component)

---
 src/lib/datepicker/datepicker.ts | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/lib/datepicker/datepicker.ts b/src/lib/datepicker/datepicker.ts
index 5663e0526202..45d0afbad77a 100644
--- a/src/lib/datepicker/datepicker.ts
+++ b/src/lib/datepicker/datepicker.ts
@@ -145,6 +145,12 @@ export class MatDatepicker<D> implements OnDestroy {
    */
   @Input() touchUi = false;
 
+  /** Event emitted when the datepicker has been opened. */
+  @Output() onOpen: EventEmitter<void> = new EventEmitter<void>();
+
+  /** Event emitted when the datepicker has been closed. */
+  @Output() onClose: EventEmitter<void> = new EventEmitter<void>();  
+  
   /** Whether the datepicker pop-up should be disabled. */
   @Input()
   get disabled() {
@@ -271,6 +277,7 @@ export class MatDatepicker<D> implements OnDestroy {
 
     this.touchUi ? this._openAsDialog() : this._openAsPopup();
     this.opened = true;
+    this.onOpen.emit();
   }
 
   /** Close the calendar. */
@@ -296,6 +303,7 @@ export class MatDatepicker<D> implements OnDestroy {
     }
 
     this.opened = false;
+    this.onClose.emit();
   }
 
   /** Open the calendar as a dialog. */

From 0a233b9b263e62745da0ca0511f0481c2af81257 Mon Sep 17 00:00:00 2001
From: Tobias Gassmann <tobias@gaszmann.de>
Date: Tue, 24 Oct 2017 15:11:09 +0200
Subject: [PATCH 2/2] remove trailing whitespace

---
 src/lib/datepicker/datepicker.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/lib/datepicker/datepicker.ts b/src/lib/datepicker/datepicker.ts
index 45d0afbad77a..c97b8cb90866 100644
--- a/src/lib/datepicker/datepicker.ts
+++ b/src/lib/datepicker/datepicker.ts
@@ -149,7 +149,7 @@ export class MatDatepicker<D> implements OnDestroy {
   @Output() onOpen: EventEmitter<void> = new EventEmitter<void>();
 
   /** Event emitted when the datepicker has been closed. */
-  @Output() onClose: EventEmitter<void> = new EventEmitter<void>();  
+  @Output() onClose: EventEmitter<void> = new EventEmitter<void>();
   
   /** Whether the datepicker pop-up should be disabled. */
   @Input()