MediaWiki:Gadget-ReferenceTooltips.js
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1 // See [[mw:Reference Tooltips]]
2
3 window.pg || $(document).ready( function($) {
4
5 // Make sure we are in article, project, or help namespace
6 if ( wgCanonicalNamespace === '' || wgCanonicalNamespace === 'Project' || wgCanonicalNamespace === 'Help' ) {
7 function toggleRT(o){
8 mw.loader.using("jquery.cookie",function(){
9 $.cookie("RTsettings",o+"|"+ settings[1] + "|" + settings[2], {path:"/",expires:90});
10 location.reload();
11 })
12 }
13 var settings = document.cookie.split("RTsettings=")[1];
14 settings = settings ? settings.split(";")[0].split("%7C") : [1, 200, +("ontouchstart" in document.documentElement)];
15 if( settings[0] == 0 ) {
16 var footer = $("#footer-places, #f-list");
17 if( footer.length === 0 ) {
18 footer = $("#footer li").parent();
19 }
20 footer.append($("<li>").append($("<a>").text("Enable Reference Tooltips").attr("href","javascript:(function(){})()").click(function(){toggleRT(1)})));
21 return;
22 }
23 var isTouchscreen = +settings[2],
24 timerLength = isTouchscreen ? 0 : +settings[1],
25 settingsMenu;
26 $(".reference").each( function() {
27 var tooltipNode, hideTimer, showTimer, checkFlip = false;
28 function findRef( h ){
29 h = h.firstChild.getAttribute("href"); h = h && h.split("#"); h = h && h[1];
30 h = h && document.getElementById( h );
31 h = h && h.nodeName == "LI" && h;
32 return h;
33 }
34 function hide( refLink ){
35 if( tooltipNode && tooltipNode.parentNode == document.body ) {
36 hideTimer = setTimeout( function() {
37 $(tooltipNode).animate({opacity: 0}, 100, function(){ document.body.removeChild( tooltipNode ) })
38 }, isTouchscreen ? 16 : 100)
39 } else {
40 var h = findRef( refLink );
41 h && (h.style.border = "");
42 }
43 }
44 function show(){
45 if( !tooltipNode.parentNode || tooltipNode.parentNode.nodeType === 11 ){
46 document.body.appendChild( tooltipNode );
47 checkFlip = true;
48 }
49 $(tooltipNode).stop().animate({opacity: 1}, 100)
50 clearTimeout( hideTimer );
51 }
52 function openSettingsMenu(){
53 if( settingsMenu ) {
54 settingsMenu.dialog( "open" );
55 } else {
56 settingsMenu = $("<form>").append(
57 $("<button>").css("width","100%").text("Disable Reference Tooltips").button().click(function(){toggleRT(0)}),
58 $("<br>"),
59 $("<small>").text("Once disabled, Reference Tooltips can be re-enabled using a link in the footer of the page."),
60 $("<hr>"),
61 $("<label>").text("Delay before the tooltip appears (in milliseconds): ").append($("<input>").attr({"type":"number","value":settings[1],step:50,min:0,max:5000})),
62 $("<br>"),
63 $("<span>").text("Tooltip is activated by:"),
64 $("<label>").append(
65 $("<input>").attr({"type":"radio", "name":"RTActivate", "checked":settings[2]==0&&"checked", "disabled":"ontouchstart" in document.documentElement&&"disabled"}),
66 "hovering"
67 ),
68 $("<label>").append(
69 $("<input>").attr({"type":"radio", "name":"RTActivate", "checked":settings[2]==1&&"checked"}),
70 "clicking"
71 )
72 ).submit(function(e){e.preventDefault()}).dialog({modal:true,width:500,title:"Reference Tooltips options",buttons:{"Save settings":function(){
73 var a = this.getElementsByTagName("input"),
74 b = +a[0].value;
75 $.cookie("RTsettings","1|"+ (b > -1 && b < 5001 ? b : settings[1]) + (a[1].checked ? "|0" : "|1"), {path:"/",expires:90});
76 location.reload();
77 }}});
78 }
79 }
80 $(this)[ isTouchscreen ? 'click' : 'hover' ](function( e ){
81 var _this = this;
82 if( isTouchscreen ) {
83 e.preventDefault();
84 (tooltipNode && tooltipNode.parentNode == document.body) || setTimeout( function(){
85 $( document.body ).on("click touchstart", function( e ) {
86 e = e || event;
87 e = e.target || e.srcElement;
88 for( ; e && !$( e ).hasClass( "referencetooltip" ) ; )
89 e = e.parentNode;
90 if( !e ){
91 clearTimeout( showTimer );
92 hide( _this );
93 $(document.body).off("click touchstart", arguments.callee)
94 }
95 })
96 }, 0);
97 }
98 showTimer && clearTimeout( showTimer );
99 showTimer = setTimeout( function() {
100 var h = findRef( _this );
101 if( !h ){return};
102 if( !isTouchscreen && ( window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop || 0 ) + $(window).height() > $( h ).offset().top + h.offsetHeight ) {
103 h.style.border = "#080086 2px solid";
104 return;
105 }
106 if(!tooltipNode){
107 tooltipNode = document.createElement("ul");
108 tooltipNode.className = "referencetooltip";
109 var c = tooltipNode.appendChild( h.cloneNode( true ) );
110 try {
111 if( c.firstChild.nodeName != "A" ) {
112 while( c.childNodes[1].nodeName == "A" && c.childNodes[1].getAttribute( "href" ).indexOf("#cite_ref-") !== -1 ) {
113 do { c.removeChild( c.childNodes[1] ) } while ( c.childNodes[1].nodeValue == " " );
114 }
115 }
116 } catch (e) { mw.log(e) }
117 c.removeChild( c.firstChild );
118 $( tooltipNode.firstChild.insertBefore( document.createElement( "span" ), tooltipNode.firstChild.firstChild ) ).addClass("RTsettings").attr("title", "Tooltip settings").click(function(){
119 mw.loader.using(["jquery.cookie","jquery.ui.dialog"], openSettingsMenu);
120 })
121 tooltipNode.appendChild( document.createElement( "li" ) );
122 isTouchscreen || $(tooltipNode).hover(show, hide);
123 }
124 show();
125 var o = $(_this).offset(), oH = tooltipNode.offsetHeight;
126 $(tooltipNode).css({top: o.top - oH, left: o.left - 7 });
127 if( tooltipNode.offsetHeight > oH ) { // is it squished against the right side of the page?
128 $(tooltipNode).css({left:'auto',right:0});
129 tooltipNode.lastChild.style.marginLeft = (o.left - tooltipNode.offsetLeft) + "px";
130 }
131 if( checkFlip ) {
132 if( o.top < tooltipNode.offsetHeight + ( window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop || 0 ) ) { // is part of it above the top of the screen?
133 $(tooltipNode).addClass("RTflipped").css({top: o.top + 12});
134 } else if( tooltipNode.className === "referencetooltip RTflipped" ) { // cancel previous
135 $(tooltipNode).removeClass("RTflipped");
136 }
137 checkFlip = false;
138 }
139 }, timerLength);
140 }, isTouchscreen ? undefined : function(){clearTimeout(showTimer); hide(this); } )
141
142 } );
143
144 }
145
146 } );