#Ionic Scroll Sista

An Ionic plugin that will hide your header and tabs while scrolling a list to give users a little more room. This plugin was inspired by Ionic Header Shrink however it doesn't seem that the repo is still maintained, not to mention it doesn't support the breaking changes from Ionic beta-14.

Table of Contents

• Demo
• Setup
• Usage
• NOTES
• Screenshots

Demo

• Watch the Demo video below

• Download from Ionic View with appId: 474d3495

View the demo application code at demo/ for an example on how to use the filterBar. To run the demo clone the ionic-scroll-sista repo, then navigate to the demo/ directory and run the following

npm install
bower install
gulp

Setup

Install

bower install ionic-scroll-sista

JS Imports (index.html)

Include the following JavaScript file import in your index.html. Remember to import the ionic libraries first! The example below assumes your 3rd party bower dependencies are located in the default bower_components folder.

<script src="bower_components/ionic-scroll-sista/dist/ionic.scroll.sista.js"></script>

SASS FIX for Subheader placement

When all three (header/top tabs/subheader) are defined in the same view, Ionic doesn't position the subheader under the top tabs by default. If you wish to show all three in order Header/Top Tabs/Subheader, then you can import the Ionic Scroll Sista SASS or CSS as shown below

SASS @import "path_to_bower_components/ionic/scss/ionic", "path_to_bower_components/ionic-content-banner/scss/ionic.scroll.sista";

Angular Dependency (app.js)

Add jett.ionic.scroll.sista as a module dependency of your app module.

angular.module('Demo', ['ionic', 'jett.ionic.scroll.sista'])
  .config(function () {..});

Usage

Ionic Scroll Sista is an attribute level directive that you put in your ion-content to hide the header, tabs, and/or subheader while scrolling.

Ionic Scroll Sista includes the following behavior.

• Headers, Tabs, and subheaders are all supported. Configured values tell the directive WHAT to hide
• Only JS scrolling supported (haven't yet tested native scrolling)
• The header/tabs will hide while dragging/scrolling up, and show while dragging/scrolling down.
• iOS header/title/buttons will fade AND scale down like Instagram
• Android header/title/buttons will fade only
• Elements that are configured to hide will slide underneath their parent.
• tabs/header/subheader's are reset on pull to refresh or when the active view leaves or gets close to the bottom of the scroll view.

Possible Values

• scroll-sista="header-tabs-subheader" (Default. Same as just scroll-sista)

  • For top tabs, the subheader will slide under the tabs, the tabs will slide under the header, and then the header will slide out of the view. At this point all elements are out of the view
  • For bottom tabs, the subheader will slide under the header while the tabs slide out of the view, then the header will slide out of the view. At this point all elements are out of the view.

• scroll-sista="header-tabs"

  • For top tabs, the tabs will first slide under the header, then the header will slide out of the view.
  • For bottom tabs, the tabs and header will slide out of the scroll view at the same time.
  • If there is a subheader, the subheader will slide to the very top of the screen

• scroll-sista="tabs-subheader"

  • For top tabs, the subheader will slide under the tabs, then the tabs will slide under the header.
  • For bottom tabs, the tabs and subheader will slide out of the scroll view at the same time.
  • The header will remain at the top of the screen

• scroll-sista="tabs"

  • For top tabs, the tabs will slide under the header.
  • For bottom tabs, the tabs will slide out of the view.
  • If a subheader is present WITH top tabs, the subheader will slide up with the tabs and now be right beneath the header. If tabs are bottom, the subheader will just stay put.
  • The header won't move and will still be at the top of the screen.

• scroll-sista="subheader"

  • The subheader will always slide under it's parent whether that's a header or top tabs.
  • If tabs are available and at the bottom, they will not move.

• scroll-sista="header"

  • The header only will slide out of the screen.
  • Any elements beneath the header, whether a subheader or top tabs, or top tabs AND a subheader, will slide to the very top of the screen

Snap option

If you want the header to snap back if the user did not scroll far enough, add the attribute scroll-sista-snap="true" to your ion-content.

NOTES

1 When using subheaders, make sure you add ionic's has-subheader to your ion-content as described on the Ionic docs. See the demo's tab-dash.html for more info

  <div class="bar bar-subheader">
      <h2 class="title">Sub Header</h2>
  </div>

  <ion-content scroll-sista class="has-subheader" delegate-handle-"myScrollDelegate">
    //your list and content
  </ion-content>

2. If you have more than one scrolling area, define the delegate-handle attribute on ion-content so that Scroll Sista picks uses the correct scroll delegate.

Screenshots