MediaWiki:Gadget-scrollUpButton.js
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/*
* @name ScrollUpButton
* @desc Add a button to scroll up to the top of the current page.
* @rev 3 (2019-28-07)
* @upstream fandom-zhcc-1 (2021-06-14)
* @fork fandom-dev-1 (2021-06-14)
* @author Kwj2772
* @contributor Perhelion
* @contributor [wikipedia:ko:] Ykhwong
* @contributor [wikipedia:zh:] AnYiLin
* @contributor [wikia:zh:] Winston Sung
*
* No internationalisation required
*
* [kowiki] Fixed an issue with help-panel-button. (wikipedia:ko:User:Ykhwong)
* [zhwiki] Add a timer to autohide button, check more gadgets. Add scrollDownButton.
* [fandom-zhcc] Adding compatibility with Toolbar/QuickBar. (wikia:zh:User:Winston Sung)
*
* @from https://ko.wikipedia.org/?oldid=25440719
* @zhwikipedia_maintainer 安忆 (wikipedia:zh:User:AnYiLin)
* @fandom-zhcc Winston Sung (wikia:zh:User:Winston Sung)
*/
(function($, mw) {
var scrollDownButtonId = 'scrollDownButton',
scrollUpButtonId = 'scrollUpButton';
if (mw.config.get('wgServerName').match(/wikimirror\.org$/)) {
scrollDownButtonId += '-zhwiki';
scrollUpButtonId += '-zhwiki'
}
var scrollButtonIcon = '//upload.wikimedia.org/wikipedia/commons/5/59/Font_Awesome_5_regular_arrow-circle-up_blue.svg';
if (!document.implementation.hasFeature('http://www.w3.org/TR/SVG11/feature#Image', '1.1'))
scrollButtonIcon = '//upload.wikimedia.org/wikipedia/commons/thumb/5/59/Font_Awesome_5_regular_arrow-circle-up_blue.svg/32px-Font_Awesome_5_regular_arrow-circle-up_blue.svg.png';
$scrollDownButton = $('<img>', {
src: scrollButtonIcon,
id: scrollDownButtonId
}).css({
cursor: 'pointer',
opacity: 0.7,
position: 'fixed',
display: 'none',
right: '18px',
transform: 'rotate(180deg)',
'-webkit-transform': 'rotate(180deg)',
'-moz-transform': 'rotate(180deg)',
'-o-transform': 'rotate(180deg)',
'-ms-transform': 'rotate(180deg)'
}).on('click', function() {
$('html, body').animate({
scrollTop: $(document).height() - $(window).height()
}, 660)
}).on('mouseenter mouseleave', function(e) {
this.style.opacity = e.type === 'mouseenter' ? 1 : 0.7
}).appendTo('body');
$scrollUpButton = $('<img>', {
src: scrollButtonIcon,
id: scrollUpButtonId
}).css({
cursor: 'pointer',
opacity: 0.7,
position: 'fixed',
display: 'none',
right: '18px'
}).on('click', function() {
$('html, body').animate({
scrollTop: 0
}, 660)
}).on('mouseenter mouseleave', function(e) {
this.style.opacity = e.type === 'mouseenter' ? 1 : 0.7
}).appendTo('body');
var scrollButtonTimer;
$(window).on('scroll', function() {
var dingHeight = $('#bluedeck_ding>div').height() ? $('#bluedeck_ding>div').height() : 0;
$('#mw-ge-help-panel-cta-button').length > 0 ?
$scrollDownButton.css('bottom', dingHeight + 75 + 'px') && $scrollUpButton.css('bottom', dingHeight + 116 + 'px') :
$('.skin-fandomdesktop').length > 0 ?
$scrollDownButton.css('bottom', dingHeight + 54 + 'px') && $scrollUpButton.css('bottom', dingHeight + 95 + 'px') :
$scrollDownButton.css('bottom', dingHeight + 24 + 'px') && $scrollUpButton.css('bottom', dingHeight + 65 + 'px');
$('#cat_a_lot').length > 0 || $('#proveit').length > 0 || $('.wordcount').length > 0 ? $scrollDownButton.css('left', '10px') && $scrollUpButton.css('left', '10px') : $scrollDownButton.css('left', 'unset') && $scrollUpButton.css('left', 'unset');
$(this).scrollTop() > 60 ? $scrollDownButton.fadeIn('slow') && $scrollUpButton.fadeIn('slow') : $scrollDownButton.fadeOut('slow') && $scrollUpButton.fadeOut('slow');
this.clearTimeout(scrollButtonTimer);
scrollButtonTimer = this.setTimeout(function() {
$scrollDownButton.fadeOut('slow');
$scrollUpButton.fadeOut('slow')
}, 2000)
});
$scrollDownButton.on('mouseenter', function() {
window.clearTimeout(scrollButtonTimer)
});
$scrollUpButton.on('mouseenter', function() {
window.clearTimeout(scrollButtonTimer)
})
})(jQuery, mw);