MediaWiki:Common.js/minetip.js

// Taken from https://minecraft.gamepedia.com/MediaWiki:Common.js // Creates minecraft style tooltips // Replaces normal tooltips. Supports minecraft formatting codes (except k), and a description with line breaks (/). $(function { 'use strict'; (function { var escapeChars = { '\\&': '&#38;', '<': '&#60;', '>': '&#62;' }; var escape = function(text) { // "\" must be escaped first return text.replace(/\\\\/g, '&#92;') .replace(/\\&|[<>]/g, function(char) { return escapeChars[char]; }); };	var $tooltip = $; var $win = $(window), winWidth, winHeight, width, height; $('#mw-content-text').on({		'mouseenter.minetip': function(e) {			$tooltip.remove;			var $elem = $(this), title = $elem.attr('data-minetip-title');			if (title === undefined) {				title = $elem.attr('title');				if (title !== undefined) {					title = $.trim(title.replace(/&/g, '\\&'));					$elem.attr('data-minetip-title', title);				}			}			// No title or title only contains formatting codes			if (title === undefined || title !==  && title.replace(/&([0-9a-fl-or])/g, ) === ) {				// Find deepest child title				var childElem = $elem[0], childTitle;				do {					if (childElem.hasAttribute('title')) {						childTitle = childElem.title;					}					childElem = childElem.firstChild;				} while(childElem && childElem.nodeType === 1);				if (childTitle === undefined) {					return;				}				// Append child title as title may contain formatting codes				if (!title) {					title = ;				}				title += $.trim(childTitle.replace(/&/g, '\\&')); // Set the retrieved title as data for future use $elem.attr('data-minetip-title', title); }			if (!$elem.data('minetip-ready')) { // Remove title attributes so the native tooltip doesn't get in the way $elem.find('[title]').addBack.removeAttr('title'); $elem.data('minetip-ready', true); }			if (title === '') { return; }			var content = ' &7' + escape(title) + '&r '; var description = $.trim($elem.attr('data-minetip-text')); if (description) { // Apply normal escaping plus "/" description = escape(description).replace(/\\\//g, '&#47;'); content += ' &7' + description.replace(/\//g, ' ') + '&r '; }			// Add classes for minecraft formatting codes while (content.search(/&[0-9a-fl-o]/) > -1) { content = content.replace(/&([0-9a-fl-o])(.*?)(&r|$)/g, '$2 &r'); }			// Remove reset formatting content = content.replace(/&r/g, ''); $tooltip = $(' '); $tooltip.html(content).appendTo('body'); // Cache current window and tooltip size winWidth = $win.width; winHeight = $win.height; width = $tooltip.outerWidth(true); height = $tooltip.outerHeight(true); // Trigger a mouse movement to position the tooltip $elem.trigger('mousemove', e); },		'mousemove.minetip': function(e, trigger) { if (!$tooltip.length) { $(this).trigger('mouseenter'); return; }			// Get event data from remote trigger e = trigger || e;			// Get mouse position and add default offsets var top = e.clientY - 34; var left = e.clientX + 14; // If going off the right of the screen, go to the left of the cursor if (left + width > winWidth) { left -= width + 36; }			// If now going off to the left of the screen, resort to going above the cursor if (left < 0) { left = 0; top -= height - 22; // Go below the cursor if too high if (top < 0) { top += height + 47; }			// Don't go off the top of the screen } else if (top < 0) { top = 0; // Don't go off the bottom of the screen } else if (top + height > winHeight) { top = winHeight - height; }			// Apply the positions $tooltip.css({ top: top, left: left }); },		'mouseleave.minetip': function { if (!$tooltip.length) { return; }			$tooltip.remove; $tooltip = $; }	}, '.minetip, .invslot-item'); }); });