User:KokoroSenshi/common.js

// Original by Osvaldas Valutis: http://web.archive.org/web/20180306004159/https://osvaldas.info/elegant-css-and-jquery-tooltip-responsive-mobile-friendly

$( function()
{
	var targets = $( '.explain, .tooltip' ),
		target	= false,
		tooltip	= false,
		title	= false;

	targets.bind( 'mouseenter', function()
	{
		target	= $( this );
		tip		= target.attr( 'title' );
		tooltip	= $( '<ul id="tooltip" class="referencetooltip"></ul>' );

		if( !tip || tip == '' )
			return false;

		target.removeAttr( 'title' );
		tooltip.css( 'opacity', 0 )
			   .html( '<li>' + tip + '</li>' + '<li></li>' )
			   .appendTo( 'body' );

		var init_tooltip = function()
		{
			if( $( window ).width() < tooltip.outerWidth() * 1.5 )
				tooltip.css( 'max-width', $( window ).width() / 2 );
			else
				tooltip.css( 'max-width', 340 );

			var pos_left = target.offset().left + ( target.outerWidth() / 2 ) - ( tooltip.outerWidth() / 2 ),
				pos_top	 = target.offset().top - tooltip.outerHeight() - 20 - $('#netbar').height();

			if( pos_left < 0 )
			{
				pos_left = target.offset().left + target.outerWidth() / 2 - 20;
				tooltip.addClass( 'left' );
			}
			else
				tooltip.removeClass( 'left' );

			if( pos_left + tooltip.outerWidth() > $( window ).width() )
			{
				pos_left = target.offset().left - tooltip.outerWidth() + target.outerWidth() / 2 + 20;
				tooltip.addClass( 'right' );
			}
			else
				tooltip.removeClass( 'right' );

			if( pos_top < 0 )
			{
				var pos_top	 = target.offset().top + target.outerHeight();
				tooltip.addClass( 'top' );
			}
			else
				tooltip.removeClass( 'top' );

			tooltip.css( { left: pos_left, top: pos_top } )
				   .animate( { opacity: 1 }, 100 );
		};

		init_tooltip();
		$( window ).resize( init_tooltip );

		var remove_tooltip = function()
		{
			tooltip.animate( { opacity: 0 }, 100, function()
			{
				$( this ).remove();
			});

			target.attr( 'title', tip );
		};

		target.bind( 'mouseleave', remove_tooltip );
		tooltip.bind( 'click', remove_tooltip );
	});
});