MediaWiki:Gadget-ReferenceTooltips.js
From NeuroWiki
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// See [[mw:Reference Tooltips]]
// Source https://en.wikipedia.org/wiki/MediaWiki:Gadget-ReferenceTooltips.js
window.pg || $(document).ready( function($) {
// Make sure we are in article, project, or help namespace
if ( true ) {
mw.messages.set( {
"RT-enable" : "Enable Reference Tooltips",
"RT-disable" : "Disable Reference Tooltips",
"RT-disablenote" : "Once disabled, Reference Tooltips can be re-enabled using a link in the footer of the page.",
"RT-delay" : "Delay before the tooltip appears (in milliseconds): ",
"RT-activationmethod" : "Tooltip is activated by:",
"RT-hovering" : "hovering",
"RT-clicking" : "clicking",
"RT-options" : "Reference Tooltips options",
"RT-options-save" : "Save settings",
"RT-settings" :"Tooltip settings"
} );
function toggleRT(o){
mw.loader.using("jquery.cookie",function(){
$.cookie("RTsettings",o+"|"+ settings[1] + "|" + settings[2], {path:"/",expires:90});
location.reload();
});
}
var settings = document.cookie.split("RTsettings=")[1];
settings = settings ? settings.split(";")[0].split("%7C") : [1, 200, +("ontouchstart" in document.documentElement)];
if( settings[0] == 0 ) {
var footer = $("#footer-places, #f-list");
if( footer.length === 0 ) {
footer = $("#footer li").parent();
}
footer.append($("<li>").append(
$("<a>")
.text( mw.message( "RT-enable" ) )
.attr("href","javascript:(function(){})()")
.click(function(){toggleRT(1)})
));
return;
}
var isTouchscreen = +settings[2],
timerLength = isTouchscreen ? 0 : +settings[1],
settingsMenu;
$(".reference").each( function() {
var tooltipNode, hideTimer, showTimer, checkFlip = false;
function findRef( h ){
h = h.firstChild; h = h && h.getAttribute && h.getAttribute("href"); h = h && h.split("#"); h = h && h[1];
h = h && document.getElementById( h );
h = h && h.nodeName == "LI" && h;
return h;
}
function hide( refLink ) {
if( tooltipNode && tooltipNode.parentNode == document.body ) {
hideTimer = setTimeout( function() {
$(tooltipNode).animate({opacity: 0}, 100, function(){ document.body.removeChild( tooltipNode ) });
}, isTouchscreen ? 16 : 100);
} else {
$( findRef( refLink ) ).removeClass("RTTarget");
}
}
function show(){
if( !tooltipNode.parentNode || tooltipNode.parentNode.nodeType === 11 ){
document.body.appendChild( tooltipNode );
checkFlip = true;
}
$(tooltipNode).stop().animate({opacity: 1}, 100);
clearTimeout( hideTimer );
}
function openSettingsMenu(){
if( settingsMenu ) {
settingsMenu.dialog( "open" );
} else {
settingsMenu = $("<form>")
.append(
$("<button>").css("width","100%").text( mw.msg( "RT-disable", mw.user ) ).button().click(function(){toggleRT(0)}),
$("<br>"),
$("<small>").text( mw.msg( "RT-disablenote") ),
$("<hr>"),
$("<label>").text( mw.msg( "RT-delay" ) ).append($("<input>").attr({"type":"number","value":settings[1],step:50,min:0,max:5000})),
$("<br>"),
$("<span>").text( mw.msg( "RT-activationmethod", mw.user ) ),
$("<label>").append(
$("<input>").attr({"type":"radio", "name":"RTActivate", "checked":settings[2]==0&&"checked", "disabled":"ontouchstart" in document.documentElement&&"disabled"}),
mw.msg( "RT-hovering", mw.user )
),
$("<label>").append(
$("<input>").attr({"type":"radio", "name":"RTActivate", "checked":settings[2]==1&&"checked"}),
mw.msg( "RT-clicking", mw.user )
)
)
.submit(function(e){e.preventDefault()})
.dialog({
modal:true,
width:500,
title: mw.msg( "RT-options" ),
buttons:[ { text: mw.msg( "RT-options-save", mw.user ), click: function(){
var a = this.getElementsByTagName("input"),
b = +a[0].value;
$.cookie("RTsettings","1|"+ (b > -1 && b < 5001 ? b : settings[1]) + (a[1].checked ? "|0" : "|1"), {path:"/",expires:90});
location.reload();
}}]
});
}
}
$(this)[ isTouchscreen ? 'click' : 'hover' ](function( e ){
var _this = this;
if( isTouchscreen ) {
e.preventDefault();
(tooltipNode && tooltipNode.parentNode == document.body) || setTimeout( function(){
$( document.body ).on("click touchstart", function( e ) {
e = e || event;
e = e.target || e.srcElement;
for( ; e && !$( e ).hasClass( "referencetooltip" ) ; )
e = e.parentNode;
if( !e ){
clearTimeout( showTimer );
hide( _this );
$(document.body).off("click touchstart", arguments.callee);
}
});
}, 0);
}
hideTimer && clearTimeout( hideTimer );
showTimer && clearTimeout( showTimer );
showTimer = setTimeout( function() {
var h = findRef( _this );
if( !h ){return}
var windowTop = window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop || 0,
hOffsetTop = $( h ).offset().top;
if( !isTouchscreen && windowTop < hOffsetTop && windowTop + $(window).height() > hOffsetTop + h.offsetHeight ) {
$( h ).addClass("RTTarget");
return;
}
if(!tooltipNode){
tooltipNode = document.createElement("ul");
tooltipNode.className = "referencetooltip";
var c = tooltipNode.appendChild( $( h ).clone( true )[ 0 ] );
try {
if( c.firstChild.nodeName != "A" ) {
while( c.childNodes[1].nodeName == "A" && c.childNodes[1].getAttribute( "href" ).indexOf("#cite_ref-") !== -1 ) {
do { c.removeChild( c.childNodes[1] ) } while ( c.childNodes[1].nodeValue == " " );
}
}
} catch (e) { mw.log(e) }
c.removeChild( c.firstChild );
$( tooltipNode.firstChild.insertBefore( document.createElement( "span" ), tooltipNode.firstChild.firstChild ) ).addClass("RTsettings").attr("title", mw.msg( "RT-settings" )).click(function(){
mw.loader.using(["jquery.cookie","jquery.ui.dialog"], openSettingsMenu);
});
tooltipNode.appendChild( document.createElement( "li" ) );
isTouchscreen || $(tooltipNode).hover(show, hide);
}
show();
var o = $(_this).offset(), oH = tooltipNode.offsetHeight;
$(tooltipNode).css({top: o.top - oH, left: o.left - 7 });
if( tooltipNode.offsetHeight > oH ) { // is it squished against the right side of the page?
$(tooltipNode).css({left:'auto',right:0});
tooltipNode.lastChild.style.marginLeft = (o.left - tooltipNode.offsetLeft) + "px";
}
if( checkFlip ) {
if( o.top < tooltipNode.offsetHeight + ( window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop || 0 ) ) { // is part of it above the top of the screen?
$(tooltipNode).addClass("RTflipped").css({top: o.top + 12});
} else if( tooltipNode.className === "referencetooltip RTflipped" ) { // cancel previous
$(tooltipNode).removeClass("RTflipped");
}
checkFlip = false;
}
}, timerLength);
}, isTouchscreen ? undefined : function(){clearTimeout(showTimer); hide(this); } );
} );
}
} );
