revert(tabs): undo commit that removes tab sub pages

Fix advanced tabs test

This reverts
https://github.com/driftyco/ionic/commit/743de19ae898e83375b51ef9c376225
c8e63f0ef

src/components/app/structure.scss

@@ -219,6 +219,7 @@ ion-content.js-scroll > scroll-content {
 
 [nav-viewport],
 [nav-portal],
+[tab-portal],
 .nav-decor {
   display: none;
 }

src/components/content/content.ts

@@ -524,7 +524,7 @@ export class Content extends Ion {
     ele = parentEle;
     let tabbarEle: HTMLElement;
 
-    while (ele && ele.tagName !== 'ION-MODAL') {
+    while (ele && ele.tagName !== 'ION-MODAL' && !ele.classList.contains('tab-subpage')) {
 
       if (ele.tagName === 'ION-TABS') {
         tabbarEle = <HTMLElement>ele.firstElementChild;

src/components/tabs/tab.ts

@@ -290,7 +290,20 @@ export class Tab extends NavControllerBase {
    * @private
    */
   loadPage(viewCtrl: ViewController, viewport: ViewContainerRef, opts: NavOptions, done: Function) {
+    let isTabSubPage = (this.parent.subPages && viewCtrl.index > 0);
+
+    if (isTabSubPage) {
+      viewport = this.parent.portal;
+    }
+
     super.loadPage(viewCtrl, viewport, opts, () => {
+      if (isTabSubPage) {
+        // add the .tab-subpage css class to tabs pages that should act like subpages
+        let pageEleRef = viewCtrl.pageRef();
+        if (pageEleRef) {
+          this._renderer.setElementClass(pageEleRef.nativeElement, 'tab-subpage', true);
+        }
+      }
       done();
     });
   }

src/components/tabs/tabs.ts

@@ -150,6 +150,7 @@ import { ViewController } from '../nav/view-controller';
       <tab-highlight></tab-highlight>
     </ion-tabbar>
     <ng-content></ng-content>
+    <div #portal tab-portal></div>
   `,
   directives: [Badge, Icon, NgClass, NgFor, NgIf, TabButton, TabHighlight],
   encapsulation: ViewEncapsulation.None,
@@ -173,6 +174,11 @@ export class Tabs extends Ion {
    */
   selectHistory: string[] = [];
 
+  /**
+   * @private
+   */
+  subPages: boolean;
+
   /**
    * @input {number} The default selected tab index when first loaded. If a selected index isn't provided then it will use `0`, the first tab.
    */
@@ -218,6 +224,11 @@ export class Tabs extends Ion {
    */
   @ViewChild('tabbar') private _tabbar: ElementRef;
 
+  /**
+   * @private
+   */
+  @ViewChild('portal', {read: ViewContainerRef}) portal: ViewContainerRef;
+
   /**
    * @private
    */
@@ -237,11 +248,13 @@ export class Tabs extends Ion {
     this.parent = <NavControllerBase>parent;
     this.id = 't' + (++tabIds);
     this._sbPadding = _config.getBoolean('statusbarPadding');
+    this.subPages = _config.getBoolean('tabsHideOnSubPages');
     this._useHighlight = _config.getBoolean('tabsHighlight');
 
     // TODO deprecated 07-07-2016 beta.11
     if (_config.get('tabSubPages') !== null) {
-      console.warn('Config option "tabSubPages" has been deprecated. The Material Design spec now supports Bottom Navigation: https://material.google.com/components/bottom-navigation.html');
+      console.warn('Config option "tabSubPages" has been deprecated. Please use "tabsHideOnSubPages" instead.');
+      this.subPages = _config.getBoolean('tabSubPages');
     }
 
     // TODO deprecated 07-07-2016 beta.11

src/components/tabs/test/advanced/index.ts

@@ -323,8 +323,10 @@ class Tab3Page1 {
 
 
 @Component({
-  template: '<ion-nav swipeBackEnabled="false"></ion-nav>'
+  template: '<ion-nav [root]="root" swipeBackEnabled="false"></ion-nav>'
 })
-class E2EApp {}
+class E2EApp {
+  root = TabsPage;
+}
 
 ionicBootstrap(E2EApp);

src/config/config.ts

@@ -103,6 +103,7 @@ import { isObject, isDefined, isFunction, isArray } from '../util/util';
  * | `tabsHighlight`          | `boolean`           | Whether to show a highlight line under the tab when it is selected.                                                                              |
  * | `tabsLayout`             | `string`            | The layout to use for all tabs. Available options: `"icon-top"`, `"icon-left"`, `"icon-right"`, `"icon-bottom"`, `"icon-hide"`, `"title-hide"`.  |
  * | `tabsPlacement`          | `string`            | The position of the tabs relative to the content. Available options: `"top"`, `"bottom"`                                                         |
+ * | `tabsHideOnSubPages`     | `boolean`           | Whether to hide the tabs on child pages or not. If `true` it will not show the tabs on child pages.                                              |
  * | `toastEnter`             | `string`            | The name of the transition to use while a toast is presented.                                                                                    |
  * | `toastLeave`             | `string`            | The name of the transition to use while a toast is dismissed.                                                                                    |
  *

src/config/modes.ts

@@ -39,6 +39,7 @@ Config.setModeConfig('ios', {
 
   tabsHighlight: false,
   tabsPlacement: 'bottom',
+  tabsHideOnSubPages: false,
 
   toastEnter: 'toast-slide-in',
   toastLeave: 'toast-slide-out',
@@ -81,7 +82,8 @@ Config.setModeConfig('md', {
   spinner: 'crescent',
 
   tabsHighlight: true,
-  tabsPlacement: 'bottom',
+  tabsPlacement: 'top',
+  tabsHideOnSubPages: true,
 
   toastEnter: 'toast-md-slide-in',
   toastLeave: 'toast-md-slide-out',
@@ -125,6 +127,7 @@ Config.setModeConfig('wp', {
 
   tabsHighlight: false,
   tabsPlacement: 'top',
+  tabsHideOnSubPages: true,
 
   toastEnter: 'toast-wp-slide-in',
   toastLeave: 'toast-wp-slide-out',

src/decorators/page.ts

@@ -38,6 +38,7 @@ export function Page(config: PageMetadata) {
     config.selector = 'ion-page';
     config.host = config.host || {};
     config.host['[hidden]'] = '_hidden';
+    config.host['[class.tab-subpage]'] = '_tabSubPage';
     var annotations = _reflect.getMetadata('annotations', cls) || [];
     annotations.push(new Component(config));
     _reflect.defineMetadata('annotations', annotations, cls);

src/platform/cordova.ios.scss

@@ -10,6 +10,7 @@ $cordova-ios-statusbar-padding-modal-max-width:         $cordova-statusbar-paddi
 ion-nav > ion-page,
 ion-nav > ion-page > ion-header,
 ion-tab > ion-page > ion-header,
+ion-tabs > ion-page.tab-subpage > ion-header,
 ion-menu {
   @include toolbar-statusbar-padding($toolbar-ios-height, $content-ios-padding);
   @include toolbar-title-statusbar-padding($toolbar-ios-height, $content-ios-padding);

src/platform/cordova.md.scss

@@ -10,6 +10,7 @@ $cordova-md-statusbar-padding-modal-max-width:         $cordova-statusbar-paddin
 ion-nav > ion-page,
 ion-nav > ion-page > ion-header,
 ion-tab > ion-page > ion-header,
+ion-tabs > ion-page.tab-subpage > ion-header,
 ion-menu {
   @include toolbar-statusbar-padding($toolbar-md-height, $content-md-padding);
 }

src/platform/cordova.wp.scss

@@ -10,6 +10,7 @@ $cordova-wp-statusbar-padding-modal-max-width:         $cordova-statusbar-paddin
 ion-nav > ion-page,
 ion-nav > ion-page > ion-header,
 ion-tab > ion-page > ion-header,
+ion-tabs > ion-page.tab-subpage > ion-header,
 ion-menu {
   @include toolbar-statusbar-padding($toolbar-wp-height, $content-wp-padding);
 }