Difference between revisions of "MediaWiki:Gadget-ReferenceTooltips.js"
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Latest revision as of 14:19, 6 August 2014
// See [[mw:Reference Tooltips]]
window.pg || $(document).ready( function($) {
// Make sure we are in article, project, or help namespace
if ( wgCanonicalNamespace === '' || wgCanonicalNamespace === 'Project' || wgCanonicalNamespace === 'Help' ) {
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("Enable Reference Tooltips").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.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 {
var h = findRef( refLink );
h && (h.style.border = "");
}
}
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("Disable Reference Tooltips").button().click(function(){toggleRT(0)}),
$("<br>"),
$("<small>").text("Once disabled, Reference Tooltips can be re-enabled using a link in the footer of the page."),
$("<hr>"),
$("<label>").text("Delay before the tooltip appears (in milliseconds): ").append($("<input>").attr({"type":"number","value":settings[1],step:50,min:0,max:5000})),
$("<br>"),
$("<span>").text("Tooltip is activated by:"),
$("<label>").append(
$("<input>").attr({"type":"radio", "name":"RTActivate", "checked":settings[2]==0&&"checked", "disabled":"ontouchstart" in document.documentElement&&"disabled"}),
"hovering"
),
$("<label>").append(
$("<input>").attr({"type":"radio", "name":"RTActivate", "checked":settings[2]==1&&"checked"}),
"clicking"
)
).submit(function(e){e.preventDefault()}).dialog({modal:true,width:500,title:"Reference Tooltips options",buttons:{"Save settings":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);
}
showTimer && clearTimeout( showTimer );
showTimer = setTimeout( function() {
var h = findRef( _this );
if( !h ){return};
if( !isTouchscreen && ( window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop || 0 ) + $(window).height() > $( h ).offset().top + h.offsetHeight ) {
h.style.border = "#080086 2px solid";
return;
}
if(!tooltipNode){
tooltipNode = document.createElement("ul");
tooltipNode.className = "referencetooltip";
var c = tooltipNode.appendChild( h.cloneNode( true ) );
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", "Tooltip 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); } )
} );
}
} );
