feat(select): emit change and select events

Closes #5219

ionic/components/select/test/multiple-value/index.ts

@@ -4,7 +4,13 @@ import {App, Page} from 'ionic/ionic';
 @Page({
   templateUrl: 'main.html'
 })
-class E2EPage {}
+class E2EPage {
+
+  carChange(selectedValues) {
+    console.log('carChange', selectedValues);
+  }
+
+}
 
 
 @App({

ionic/components/select/test/multiple-value/main.html

@@ -22,7 +22,7 @@
 
   <ion-item>
     <ion-label>Car Options</ion-label>
-    <ion-select [(ngModel)]="carOptions" multiple="true">
+    <ion-select [(ngModel)]="carOptions" multiple="true" (change)="carChange($event)">
       <ion-option value="backupcamera">Backup Camera</ion-option>
       <ion-option value="heatedseats">Headted Seats</ion-option>
       <ion-option value="keyless">Keyless Entry</ion-option>

ionic/components/select/test/single-value/index.ts

@@ -11,6 +11,10 @@ class E2EPage {
       subTitle: 'Select your favorite'
     };
   }
+
+  stpSelect() {
+    console.log('STP selected')
+  }
 }
 
 

ionic/components/select/test/single-value/main.html

@@ -46,7 +46,7 @@
       <ion-option>Pearl Jam</ion-option>
       <ion-option>Smashing Pumpkins</ion-option>
       <ion-option>Soundgarden</ion-option>
-      <ion-option>Stone Temple Pilots</ion-option>
+      <ion-option (select)="stpSelect()">Stone Temple Pilots</ion-option>
     </ion-select>
   </ion-item>