MediaWiki:Gadget-MapFrame.js

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/* Usage:
inserts an iframe into a div with id "mapdiv", in conjunction with Template:MapFrame for embeddable dynamic maps.
Relies on HTML5 data parameters.
*/					

function insertIFrame() {
	var exhtml = '//wikivoyage.toolforge.org/w/poimap2.php?';
	var map = $('div #mapdiv');
	map.each(function() {
		var self = this,
		$self = $(this);
		validateMap($self);
		var exsrc = exhtml+'lat='+encodeURIComponent($self.data("lat"))+'&lon='+encodeURIComponent($self.data("long"))
			+'&zoom='+encodeURIComponent($self.data("zoom"))+'&layer='+encodeURIComponent($self.data("layer"))+'&lang='+encodeURIComponent(mw.config.get('wgContentLanguage'))+'&name='+encodeURIComponent(mw.config.get('wgPageName'));

		var ifstr = $( '<iframe></iframe>' ).attr( { src: exsrc, width: $self.data("width"), height: $self.data("height" ), style: "border:0" } );
		$self.html(ifstr);
		if ( $self.data("layer").indexOf('M') < 0 ) {
			$('.vcard a').attr('href', function () { return this.href.replace('layer=M','layer='+$self.data("layer")[0]) });
		}
	});
}

function validateMap(map) {
	if (!$.isNumeric(map.data("lat"))) map.data("lat", 51.47766);
	if (!$.isNumeric(map.data("long"))) map.data("long", -0.00115);
	if (!$.isNumeric(map.data("zoom")) && map.data("zoom") != 'auto') map.data("zoom", 14);
	if (!$.isNumeric(map.data("height"))) map.data("height", 420);
	if (!$.isNumeric(map.data("width"))) map.data("width", 420);
	if (map.data("layer").length > 8) map.data("layer", 'M');
}

mw.hook('wikipage.content').add(insertIFrame);