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Friday, June 2, 2017
218 Ionic-v1 Shrinking Header: Nightly
Shrinking Header: Nightly
code example:
<html ng-app="ionic.example"> <head> <meta charset="utf-8"> <title>Shrinking Header</title> <meta name="viewport" content="initial-scale=1, maximum-scale=1, user-scalable=no"> <link href="//code.ionicframework.com/nightly/css/ionic.css" rel="stylesheet"> <script src="//code.ionicframework.com/nightly/js/ionic.bundle.js"></script> <style> .fake-statusbar { height: 20px; max-height: 20px; font-size: 12px; box-sizing: border-box; width: 100%; position: fixed; top: 0; left: 0; z-index: 4; color: #fff; padding: 2px 3px 3px 3px; } .fake-statusbar .time { position: absolute; width: 100%; height: 100%; text-align: center; } .fake-statusbar .pull-left { float: left; } .fake-statusbar .pull-right { float: right; } .bar-header { height: 64px !important; } .bar-header > * { margin-top: 20px !important; } .scroll-content{ top:0 !important } </style> </head> <body> <fake-statusbar></fake-statusbar> <ion-pane> <ion-header-bar class="bar-positive"> <div class="buttons"> <button class="button button-icon ion-navicon"></button> </div> <h1 class="title">Things</h1> </ion-header-bar> <ion-content header-shrink scroll-event-interval="5"> <div style="height: 64px;"></div> <div class="list card"> <div class="item item-avatar"> <img src="https://ionicframework.com/img/docs/mcfly.jpg"> <h2>Marty McFly</h2> <p>November 05, 1955</p> </div> <div class="item item-body"> <img class="full-image" src="https://ionicframework.com/img/docs/delorean.jpg"> <p> This is a "Facebook" styled Card. The header is created from a Thumbnail List item, the content is from a card-body consisting of an image and paragraph text. The footer consists of tabs, icons aligned left, within the card-footer. </p> <p> <a href="#" class="subdued">1 Like</a> <a href="#" class="subdued">5 Comments</a> </p> </div> <div class="item tabs tabs-secondary tabs-icon-left"> <a class="tab-item" href="#"> <i class="icon ion-thumbsup"></i> Like </a> <a class="tab-item" href="#"> <i class="icon ion-chatbox"></i> Comment </a> <a class="tab-item" href="#"> <i class="icon ion-share"></i> Share </a> </div> </div> <div class="list card"> <div class="item item-avatar"> <img src="https://ionicframework.com/img/docs/mcfly.jpg"> <h2>Marty McFly</h2> <p>November 05, 1955</p> </div> <div class="item item-body"> <img class="full-image" src="https://ionicframework.com/img/docs/delorean.jpg"> <p> This is a "Facebook" styled Card. The header is created from a Thumbnail List item, the content is from a card-body consisting of an image and paragraph text. The footer consists of tabs, icons aligned left, within the card-footer. </p> <p> <a href="#" class="subdued">1 Like</a> <a href="#" class="subdued">5 Comments</a> </p> </div> <div class="item tabs tabs-secondary tabs-icon-left"> <a class="tab-item" href="#"> <i class="icon ion-thumbsup"></i> Like </a> <a class="tab-item" href="#"> <i class="icon ion-chatbox"></i> Comment </a> <a class="tab-item" href="#"> <i class="icon ion-share"></i> Share </a> </div> </div> <div class="list card"> <div class="item item-avatar"> <img src="https://ionicframework.com/img/docs/mcfly.jpg"> <h2>Marty McFly</h2> <p>November 05, 1955</p> </div> <div class="item item-body"> <img class="full-image" src="https://ionicframework.com/img/docs/delorean.jpg"> <p> This is a "Facebook" styled Card. The header is created from a Thumbnail List item, the content is from a card-body consisting of an image and paragraph text. The footer consists of tabs, icons aligned left, within the card-footer. </p> <p> <a href="#" class="subdued">1 Like</a> <a href="#" class="subdued">5 Comments</a> </p> </div> <div class="item tabs tabs-secondary tabs-icon-left"> <a class="tab-item" href="#"> <i class="icon ion-thumbsup"></i> Like </a> <a class="tab-item" href="#"> <i class="icon ion-chatbox"></i> Comment </a> <a class="tab-item" href="#"> <i class="icon ion-share"></i> Share </a> </div> </div> </ion-content> </ion-pane> <script> angular.module('ionic.example', ['ionic']) .directive('fakeStatusbar', function() { return { restrict: 'E', replace: true, template: '<div class="fake-statusbar"><div class="pull-left">Carrier</div><div class="time">3:30 PM</div><div class="pull-right">50%</div></div>' } }) .directive('headerShrink', function($document) { var fadeAmt; var shrink = function(header, content, amt, max) { amt = Math.min(44, amt); fadeAmt = 1 - amt / 44; ionic.requestAnimationFrame(function() { header.style[ionic.CSS.TRANSFORM] = 'translate3d(0, -' + amt + 'px, 0)'; for(var i = 0, j = header.children.length; i < j; i++) { header.children[i].style.opacity = fadeAmt; } }); }; return { restrict: 'A', link: function($scope, $element, $attr) { var starty = $scope.$eval($attr.headerShrink) || 0; var shrinkAmt; var header = $document[0].body.querySelector('.bar-header'); var headerHeight = header.offsetHeight; $element.bind('scroll', function(e) { var scrollTop = null; if(e.detail){ scrollTop = e.detail.scrollTop; }else if(e.target){ scrollTop = e.target.scrollTop; } if(scrollTop > starty){ // Start shrinking shrinkAmt = headerHeight - Math.max(0, (starty + headerHeight) - scrollTop); shrink(header, $element[0], shrinkAmt, headerHeight); } else { shrink(header, $element[0], 0, headerHeight); } }); } } }) </script> </body> </html>
See the Pen <a href='https://codepen.io/ionic/pen/hIzFp/'>Shrinking Header: Nightly</a> by Ionic (<a href='https://codepen.io/ionic'>@ionic</a>) on <a href='https://codepen.io'>CodePen</a>.
https://codepen.io/ionic/pens/public/
201706,20170602
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