feat(alert): iOS radio button alert

Related #890

ionic/components/alert/alert.ios.scss

@@ -81,6 +81,46 @@ ion-alert {
   -webkit-appearance: none;
 }
 
+.alert-radio {
+  display: flex;
+  min-height: $alert-ios-button-min-height;
+  border-top: 1px solid $alert-ios-button-border-color;
+  cursor: pointer;
+
+  &[aria-checked=true] {
+    color: $alert-ios-button-text-color;
+
+    .alert-radio-icon:after {
+      position: absolute;
+      border-width: 2px;
+      border-style: solid;
+      border-color: $alert-ios-button-text-color;
+      top: 13px;
+      left: 7px;
+      width: 4px;
+      height: 10px;
+      border-left: none;
+      border-top: none;
+      content: '';
+      transform: rotate(45deg);
+    }
+  }
+
+}
+
+.alert-radio-label {
+  flex: 1;
+  order: 0;
+  text-align: auto;
+  padding: 13px;
+}
+
+.alert-radio-icon {
+  position: relative;
+  order: 1;
+  min-width: 30px;
+}
+
 .alert-button {
   margin: 0;
   flex: 1;

ionic/components/alert/alert.ts

@@ -1,5 +1,5 @@
 import {Component, ElementRef, Renderer} from 'angular2/core';
-import {NgClass, NgIf, NgFor} from 'angular2/common';
+import {NgClass, NgSwitch, NgIf, NgFor} from 'angular2/common';
 
 import {NavParams} from '../nav/nav-controller';
 import {ViewController} from '../nav/view-controller';
@@ -183,13 +183,30 @@ export class Alert extends ViewController {
         '<h3 class="alert-sub-title" *ngIf="d.subTitle">{{d.subTitle}}</h3>' +
       '</div>' +
       '<div class="alert-body" *ngIf="d.body">{{d.body}}</div>' +
-      '<div class="alert-body alert-inputs" *ngIf="d.inputs.length">' +
+      '<div *ngIf="d.inputs.length" [ngSwitch]="inputType">' +
-        '<div class="alert-input-wrapper" *ngFor="#i of d.inputs">' +
+
+        '<template ngSwitchWhen="radio">' +
+          '<div class="alert-radio-group">' +
+            '<div *ngFor="#i of d.inputs" (click)="rbClick(i)" [attr.aria-checked]="i.checked" class="alert-radio" tappable role="radio">' +
+              '<div class="alert-radio-icon"></div>' +
+              '<div class="alert-radio-label">' +
+                '{{i.label}}' +
+              '</div>' +
+            '</div>' +
+          '</div>' +
+        '</template>' +
+
+        '<template ngSwitchDefault>' +
+          '<div class="alert-body alert-inputs">' +
+            '<div *ngFor="#i of d.inputs" class="alert-input-wrapper">' +
               '<input [placeholder]="i.placeholder" [(ngModel)]="i.value" [type]="i.type" class="alert-input">' +
             '</div>' +
           '</div>' +
+        '</template>' +
+
+      '</div>' +
       '<div class="alert-buttons">' +
-        '<button *ngFor="#b of d.buttons" (click)="click(b)" [ngClass]="b.cssClass" class="alert-button">' +
+        '<button *ngFor="#b of d.buttons" (click)="btnClick(b)" [ngClass]="b.cssClass" class="alert-button">' +
           '{{b.text}}' +
         '</button>' +
       '</div>' +
@@ -197,7 +214,7 @@ export class Alert extends ViewController {
   host: {
     'role': 'dialog'
   },
-  directives: [NgClass, NgIf, NgFor]
+  directives: [NgClass, NgSwitch, NgIf, NgFor]
 })
 class AlertCmp {
 
@@ -214,7 +231,7 @@ class AlertCmp {
     }
   }
 
-  click(button) {
+  btnClick(button) {
     let shouldDismiss = true;
 
     if (button.handler) {
@@ -233,11 +250,32 @@ class AlertCmp {
     }
   }
 
+  rbClick(checkedInput) {
+    this.d.inputs.forEach(input => {
+      input.checked = (checkedInput === input);
+    });
+
+    if (!this.d.buttons.length) {
+      // auto dismiss if no buttons
+      setTimeout(() => {
+        this.dismiss();
+      }, this._config.get('pageTransitionDelay'));
+    }
+  }
+
   dismiss() {
     this._viewCtrl.dismiss(this.getValues());
   }
 
   getValues() {
+    if (this.inputType === 'radio') {
+      // this is a radio button alert
+      // return the one radio button value which is checked
+      let checkedInput = this.d.inputs.find(input => input.checked);
+      return checkedInput ? checkedInput.value : undefined;
+    }
+
+    // return an object of all the values with the name as the key
     let values = {};
     this.d.inputs.forEach(input => {
       values[input.name] = input.value;
@@ -247,22 +285,28 @@ class AlertCmp {
 
   onPageLoaded() {
     // normalize the data
-    this.d.buttons = this.d.buttons.map(button => {
+    let data = this.d;
+
+    data.buttons = data.buttons.map(button => {
       if (typeof button === 'string') {
         return { text: button };
       }
       return button;
     });
 
-    this.d.inputs = this.d.inputs.map((input, index) => {
+    data.inputs = data.inputs.map((input, index) => {
       return {
+        type: input.type || 'text',
         name: isDefined(input.name) ? input.name : index,
         placeholder: isDefined(input.placeholder) ? input.placeholder : '',
-        type: input.type || 'text',
+        value: isDefined(input.value) ? input.value : '',
-        value: isDefined(input.value) ? input.value : ''
+        label: input.label,
-      }
+        checked: !!input.checked,
+      };
     });
 
+    this.inputType = (data.inputs.length ? data.inputs[0].type : null);
+
     let self = this;
     self.keyUp = function(ev) {
       if (ev.keyCode === 13) {

ionic/components/alert/test/basic/index.ts

@@ -68,7 +68,7 @@ class E2EPage {
 
         setTimeout(() => {
           console.log('Prompt close');
-          alert.close(data);
+          alert.dismiss(data);
         }, 500);
 
         return false;
@@ -92,6 +92,44 @@ class E2EPage {
     });
   }
 
+  doRadio() {
+    let alert = Alert.create();
+    alert.setTitle('Radio!');
+
+    alert.addInput({
+      type: 'radio',
+      label: 'Radio 1',
+      value: 'value1',
+      checked: true
+    });
+
+    alert.addInput({
+      type: 'radio',
+      label: 'Radio 2',
+      value: 'value2'
+    });
+
+    alert.addInput({
+      type: 'radio',
+      label: 'Radio 3',
+      value: 'value3'
+    });
+
+    alert.addButton('Cancel');
+    alert.addButton({
+      text: 'Ok',
+      handler: data => {
+        console.log('Select data:', data);
+        this.testRadioOpen = false;
+        this.testRadioResult = data;
+      }
+    });
+
+    this.nav.present(alert).then(() => {
+      this.testRadioOpen = true;
+    });
+  }
+
 }
 
 

ionic/components/alert/test/basic/main.html

@@ -5,15 +5,18 @@
 
 <ion-content padding>
 
-  <button class="e2eOpenAlert" (click)="doAlert()">Alert</button>
+  <button block class="e2eOpenAlert" (click)="doAlert()">Alert</button>
-  <button class="e2eOpenConfirm" (click)="doConfirm()">Confirm</button>
+  <button block class="e2eOpenConfirm" (click)="doConfirm()">Confirm</button>
-  <button class="e2eOpenPrompt" (click)="doPrompt()">Prompt</button>
+  <button block class="e2eOpenPrompt" (click)="doPrompt()">Prompt</button>
+  <button block class="e2eOpenRadio" (click)="doRadio()">Radio</button>
 
   <pre>
     Confirm Opened: {{testConfirmOpen}}
     Confirm Result: {{testConfirmResult}}
     Prompt Opened: {{testPromptOpen}}
     Prompt Result: {{testPromptResult | json}}
+    Radio Opened: {{testRadioOpen}}
+    Radio Result: {{testRadioResult}}
   </pre>
 
 </ion-content>