User:Evad37/GeoHack replacement script.js

/* Replace external links to GeoHack with direct links to a single mapping provider. * * It support the following replacement variables found in GeoHack: * {latdegdec} {londegdec} {scale} {span} {osmzoom} * * Based on a script by User:Dispenser: GeoHack/Replacement_script * - Instructions: add the following two lines to your common.js (or skin-specific js):

importScript('User:Evad37/GeoHack_replacement_script.js'); // User:Evad37/GeoHack_replacement_script.js ghrs_mapprovider = " ";

- is the url to load, specifiying the replacement variables above instead of actual values - These urls can be found at Template:GeoTemplate - For example, Google Maps: ghrs_mapprovider = "http://maps.google.com/maps?ll={latdegdec},{londegdec}&spn={span},{span}&q={latdegdec},{londegdec}"; - or for OpenStreetMap: ghrs_mapprovider = "http://www.openstreetmap.org/index.html?mlat={latdegdec}&mlon={londegdec}&zoom={osmzoom}&layers=B000FTF"; jQuery( function( $ ) {	if (window['ghrs_mapprovider'] === undefined) return; 	var geohack_base = "//geohack.toolforge.org/geohack.php";	var coord_filter = /[?&]params=([\d.+-]+)_([\d.+-]*)_?([\d.+-]*)_?([NSZ])_([\d.+-]+)_([\d.+-]*)_?([\d.+-]*)_?([EOW])([^&=]*)/;	var replaceLinks = function ( $content ) {		var link, lat, lon, scale;		$content.find("a[href*='" + geohack_base + "']").each(function { console.log("[replaceLinks] caption link href:", $(this).attr("href")); if(coord_filter.exec($(this).attr("href"))) { // latitude and longitude lat=(1.0*RegExp.$1) + ((RegExp.$2||0)/60.0) + ((RegExp.$3||0)/3600.0); if(RegExp.$4!='N') lat*=-1; lon=(1.0*RegExp.$5) + ((RegExp.$6||0)/60.0) + ((RegExp.$7||0)/3600.0); if(RegExp.$8=='W') lon*=-1; // Determine scale/zoom var params = RegExp.$9; if(/_globe:(?!earth|_|$)/i.test(params)) return; if(/_type:(adm3rd|city|mountain|isle|river|waterbody)/.test(params))scale = 100000; else if(/_type:(event|forest|glacier)/.test(params))scale = 50000; else if(/_type:(airport|edu|pass|landmark|railwaystation)/.test(params))scale = 10000; else scale = 300000; if(/_dim:([\d.+-]+)(km)?m?/.exec(params))scale = RegExp.$1 * (RegExp.$2?10000:10); if(/_scale:(\d+)(_|$)/.exec(params))scale = RegExp.$1; var osmzoom = 18 - Math.round(Math.log(scale/1693) / Math.log(2)); var zoom = Math.log( 1.5e8/scale) / Math.log(2); // Replace link var replacement_url = ghrs_mapprovider.replace(/\{latdegdec\}/g, lat).replace(/\{londegdec\}/g, lon).replace(/\{scale\}/g, scale).replace(/\{span\}/g, scale/1e6).replace(/\{osmzoom\}/g, osmzoom).replace(/\{zoom\}/g, zoom); $(this).attr("href", replacement_url).parent.removeClass("plainlinks").parent.removeClass("plainlinks"); }		});	};	// Hook on to changes in page content, including initial load	mw.hook('wikipage.content').add(replaceLinks);	// Hook onto wikibase UI rendered (i.e. FAMEData mainspace)	mw.hook('wikibase.entityPage.entityView.rendered').add(function { // Coords statements have geohack links in kartographer map captions. // However, initially they are just plain text, and are made into a link // after a short delay. So for each caption, at intervals of 250ms, we		// check if the link has appeared - until the link is found (and then we		// can replace it), or until the 20th repition (to avoid infinite loop). if ( !$(".wikibase-kartographer-caption").length ) { return; } $(".wikibase-kartographer-caption").each(function {			var interval,				repitions = 0,				context = this;			interval = setInterval(function { var $caption = $(context); if ( $caption.find("a").length ) { replaceLinks($caption); clearInterval(interval); return; }				if (repitions === 20) { clearInterval(interval); return; }				repitions++; }, 250);		});	}); });