/// Gadget-pageLinkHelper.js
// Minor link helpers
// ResourceLoader: compatible; dependencies: user, mediawiki.util
/// 2014-12-07 PerfektesChaos@de.wikipedia
/// Fingerprint: #0#0#
/// <nowiki>
/*jshint bitwise:true, curly:true, eqeqeq:true, forin:false,
latedef:true, laxbreak:true, strict:true, trailing:true,
undef:true, unused:true, white:false */
/*global window:false */
( function ( mw, $ ) {
"use strict";
var VERSION = -1.2,
Env, PLH;
function feature( applied ) {
// Check for user option
// Precondition:
// applied -- option keyword
// module 'user' loaded
// Postcondition:
// Returns value, or undefined
// Uses:
// > VERSION
// >< PLH
// 2014-12-07 PerfektesChaos@de.wikipedia
var r; // = undefined
if ( typeof mw.libs.pageLinkHelper === "object" ) {
PLH = mw.libs.pageLinkHelper;
if ( PLH ) {
PLH.vsn = VERSION;
if ( typeof PLH[ applied ] !== "undefined" ) {
r = PLH[ applied ];
}
}
}
return r;
} // feature()
function flip() {
// Equip diffpage with wikilink for c&p
// Precondition:
// DOM.ready
// mediawiki.util loaded
// Uses:
// > Env
// > ___location
// mw.util.getParamValue()
// mw.config.get()
// 2014-12-06 PerfektesChaos@de.wikipedia
var sign = "pageLinkHelperDifflink",
$div = $( "#" + sign ),
got, i, id1, id2, j, re, show, $container, $span;
if ( ! $div.length ) {
$container = $( "#contentSub" );
if ( $container.length ) {
if ( Env.wgCanonicalSpecialPageName ) {
// 2014 redirected to &diff=
re = /\/wiki\/[^:]+:[^\/]+\/(\d+)(?:\/(\.+))?$/;
got = re.exec( window.___location.pathname );
if ( got ) {
id1 = got[ 1 ];
id2 = got[ 2 ];
}
} else {
id1 = mw.util.getParamValue( "diff" );
id2 = mw.util.getParamValue( "oldid" );
}
if ( id1 ) {
i = parseInt( id1, 10 );
if ( id2 ) {
if ( isNaN( i ) ) {
i = id1;
id1 = id2;
id2 = i;
} else {
j = parseInt( id2, 10 );
if ( ! isNaN( j ) ) {
if ( i > j ) {
id2 = i;
id1 = j;
}
}
}
if ( id2 === "prev" ) {
id2 = false;
}
} else if ( isNaN( i ) ) {
id1 = false;
}
}
if ( id1 ) {
show = "[["
+ mw.config.get( "wgFormattedNamespaces" )[ "-1" ]
+ ":Diff/" + id1
+ ( id2 ? "/" + id2 : "" )
+ "]]";
$span = $( "<code>" );
$span.text( show );
$div = $( "<div>" );
$div.attr( { "id": sign } );
$div.css( { "float": "right",
"margin-top" : "1em" } );
$div.append( $span );
$container.append( $div );
}
}
}
} // flip()
function fresh() {
// Provide purge link
// Precondition:
// DOM.ready
// mediawiki.util loaded
// user resources loaded
// Uses:
// >< Env
// feature()
// mw.config.get()
// mw.util.getUrl()
// mw.util.addPortletLink()
// 2014-12-07 PerfektesChaos@de.wikipedia
var opt = feature( "purge" ),
say = "PURGE this page from server cache",
seed = null,
slot = "p-cactions",
show = "Purge cache",
start = "ca",
got, re, swap;
switch ( typeof opt ) {
case "boolean" :
if ( opt ) {
seed = false;
} else {
slot = false;
}
break;
case "string" :
seed = opt;
re = /^([a-z]+)-(.+)$/;
got = re.exec( seed );
if ( got ) {
switch ( got[ 1 ] ) {
case "p" :
slot = seed;
seed = false;
switch ( got[ 2 ] ) {
case "navigation" :
start = "n";
break;
case "tb" :
start = "t";
break;
} // switch got.2
break;
case "ca" :
break;
case "n" :
slot = "p-navigation";
break;
case "t" :
slot = "p-tb";
break;
} // switch got.1
}
break;
} // switch typeof opt
if ( slot && seed === null ) {
Env.skin = mw.config.get( "skin" );
if ( Env.skin !== "vector" ) {
slot = false;
}
}
if ( slot ) {
Env.wgPageName = mw.config.get( "wgPageName" );
swap = mw.util.getUrl( Env.wgPageName,
{ action: "purge" } );
if ( seed ) {
seed = "#" + seed;
}
mw.util.addPortletLink( slot,
swap,
show,
start + "-purge",
say,
null,
seed );
}
} // fresh()
function from() {
// Redirected from somewhere
// Precondition:
// mediawiki.util loaded
// Uses:
// > history
// > ___location
// > document
// >< Env
// mw.util.getUrl()
// feature()
// history.___pushState()
// history.___replaceState()
// 2014-12-07 PerfektesChaos@de.wikipedia
var caused, opts, show, last, legacy, showed, state, swap;
if ( typeof window.history.___pushState === "function" &&
typeof window.history.___replaceState === "function" ) {
swap = mw.util.getUrl( Env.wgRedirectedFrom,
{ redirect: "no" } );
if ( window.history.previous ) {
// should actually not cause wgRedirectedFrom, but avoid
last = ( window.history.previous.indexOf( swap ) >= 0 );
}
if ( ! last ) {
opts = feature( "redirect" );
if ( opts &&
typeof opts === "object" &&
typeof opts.legacy === "boolean" ) {
legacy = opts.legacy;
}
caused = { caused: "pageLinkHelper" };
showed = window.document.title;
if ( legacy ) {
state = mw.util.getUrl( Env.wgRedirectedFrom );
} else {
state = window.___location.href;
}
show = "#REDIRECT " + Env.wgRedirectedFrom;
window.history.___replaceState( caused, show, swap );
window.history.___pushState( caused, showed, state );
}
}
} // from()
function fire() {
// Autorun on load
// Precondition:
// mediawiki.util loaded
// Uses:
// < Env
// mw.config.get()
// mw.util.getParamValue()
// flip()
// fresh()
// from()
// 2014-12-05 PerfektesChaos@de.wikipedia
Env = mw.config.get( [ "wgAction",
"wgCanonicalSpecialPageName",
"wgRedirectedFrom" ] );
if ( mw.util.getParamValue( "diff" ) ||
Env.wgCanonicalSpecialPageName === "Diff" ) {
flip();
} else if ( ! Env.wgCanonicalSpecialPageName
&& Env.wgAction === "view" ) {
fresh();
if ( Env.wgRedirectedFrom ) {
from();
}
}
} // fire()
if ( mw.loader.state( "ext.gadget.pageLinkHelper" ) !== "ready" ) {
mw.loader.state( "ext.gadget.pageLinkHelper", "ready" );
mw.loader.using( [ "mediawiki.util",
"user" ],
function () {
$( fire ); // don't hurry
} );
}
}( window.mediaWiki, window.jQuery ) );
/// EOF </nowiki> pageLinkHelper.js
