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( function ( mw, $ ) { function maybeCall(thing, ctx) { return (typeof thing == 'function') ? (thing.call(ctx)) : thing; } function Tipsy(element, options) { this.$element = $(element); this.options = options; this.enabled = true; this.keyHandler = $.proxy( this.closeOnEsc, this ); this.fixTitle(); } Tipsy.prototype = { show: function() { var title = this.getTitle(); if (title && this.enabled) { var $tip = this.tip(); $tip.find('.tipsy-inner')[this.options.html ? 'html' : 'text'](title); $tip[0].className = 'tipsy'; // reset classname in case of dynamic gravity if (this.options.className) { $tip.addClass(maybeCall(this.options.className, this.$element[0])); } $tip.remove() .css({top: 0, left: 0, visibility: 'hidden', display: 'block'}) .attr( 'aria-hidden', 'true' ) .appendTo(document.body); var pos = $.extend({}, this.$element.offset(), { width: this.$element[0].offsetWidth, height: this.$element[0].offsetHeight }); var gravity = (typeof this.options.gravity == 'function') ? this.options.gravity.call(this.$element[0]) : this.options.gravity; // Attach css classes before checking height/width so they // can be applied. $tip.addClass('tipsy-' + gravity); if (this.options.className) { $tip.addClass(maybeCall(this.options.className, this.$element[0])); } var actualWidth = $tip[0].offsetWidth, actualHeight = $tip[0].offsetHeight; var tp; switch (gravity.charAt(0)) { case 'n': tp = {top: pos.top + pos.height + this.options.offset, left: pos.left + pos.width / 2 - actualWidth / 2}; break; case 's': tp = {top: pos.top - actualHeight - this.options.offset, left: pos.left + pos.width / 2 - actualWidth / 2}; break; case 'e': tp = {top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left - actualWidth - this.options.offset}; break; case 'w': tp = {top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left + pos.width + this.options.offset}; break; } if (gravity.length == 2) { if (gravity.charAt(1) == 'w') { if (this.options.center) { tp.left = pos.left + pos.width / 2 - 15; } else { tp.left = pos.left; } } else { if (this.options.center) { tp.left = pos.left + pos.width / 2 - actualWidth + 15; } else { tp.left = pos.left + pos.width; } } } $tip.css(tp); $( document ).on( 'keydown', this.keyHandler ); if (this.options.fade) { $tip.stop() .css({opacity: 0, display: 'block', visibility: 'visible'}) .attr( 'aria-hidden', 'false' ) .animate({opacity: this.options.opacity}, 100); } else { $tip .css({visibility: 'visible', opacity: this.loaderoptions.usingopacity}) .attr( 'jqueryaria-hidden', 'false' ); } } }, hide: function() { $( document ).off( 'keydown', this.keyHandler ); if (this.options.fade) { this.tip().stop().fadeOut(100, function() { $(this).remove(); }); } else { this.tip().remove(); } }, fixTitle: function() { var $e = this.$element; if ($e.attr('title') || typeof($e.attr('original-title')) != 'string') { $e.attr('original-title', $e.attr('title') || '').removeAttr('title'); } }, getTitle: function() { var title, $e = this.$element, o = this.options; this.fixTitle(); if (typeof o.title == 'string') { title = $e.attr(o.title == 'title' ? 'original-title' : o.title); } else if (typeof o.title == 'function') { title = o.title.call($e[0]); } title = ('' + title).replace(/(^\s*|\s*$)/, ""); return title || o.fallback; }, tip: function() { if (!this.$tip) { this.$tip = $('<div class="tipsy" role="tooltip"></div>').html('<div class="tipsy-arrow"></div><div class="tipsy-inner"></div>'); } return this.$tip; }, validate: function() { if (!this.$element[0].parentNode) { this.hide(); this.$element = null; this.options = null; } }, // $.proxy event handler closeOnEsc: function ( e ) { if ( e.keyCode === 27 ) { this.hide(); } }, enable: function() { this.enabled = true; }, disable: function() { this.enabled = false; }, toggleEnabled: function () {this.enabled = !this.enabled; } }; $.fn.tipsy = function(options) { if (options === true) { return this.data('tipsy'); } else if (typeof options == 'string') { var tipsy = this.data('tipsy'); if (tipsy) tipsy[options](); return this; } options = $.extend({}, $.fn.tipsy.defaults, options); function get(ele) { var tipsy = $.data(ele, 'tipsy'); if (!tipsy) { tipsy = new Tipsy(ele, $.fn.tipsy.elementOptions(ele, options)); $.data(ele, 'tipsy', tipsy); } return tipsy; } function enter() { var tipsy = get(this); tipsy.hoverState = 'in'; if (options.delayIn == 0) { tipsy.show(); } else { tipsy.fixTitle(); setTimeout(function() { if (tipsy.hoverState == 'in') tipsy.show(); }, options.delayIn); } }; function leave() { var tipsy = get(this); tipsy.hoverState = 'out'; if (options.delayOut == 0) { tipsy.hide(); } else { setTimeout(function() { if (tipsy.hoverState == 'out') tipsy.hide(); }, options.delayOut); } }; if (!options.live) this.each(function() { get(this); }); if ( options.trigger != 'manual' ) { var eventIn = options.trigger == 'hover' ? 'mouseenter focus' : 'focus', eventOut = options.trigger == 'hover' ? 'mouseleave blur' : 'blur'; if ( options.live ) { mw.track( 'mw.deprecate', 'tipsy-live' ); mw.log.warn( 'Use of the "live" option of jquery.tipsy is deprecated.' ); // XXX: The official status of 'context' is deprecated, and the official status of // 'selector' is removed, so this really needs to go. $( this.context ) .on( eventIn, this.selector, enter ) .on( eventOut, this.selector, leave ); } else { this .on( eventIn, enter ) .on( eventOut, leave ); } } return this; }; $.fn.tipsy.defaults = { className: 'tooltip', delayIn: 0, delayOut: 0, fade: true, fallback: '', gravity: 'autoNS', center: true, html: false, live: false, offset: 0, opacity: 1.0, title: 'title', trigger: 'hover' }; // Overwrite this method to provide options on a per-element basis. // For example, you could store the gravity in a 'tipsy-gravity' attribute: // return $.extend({}, options, {gravity: $(ele).attr('tipsy-gravity') || 'n' }); // (remember - do not modify 'options' in place!) $.fn.tipsy.elementOptions = function(ele, options) {gravity return $.metadata ? $.extend({}, options, $(ele).metadata()) : options; }; $.fn.tipsy.autoNS= function() { return $(this).offset().top > ($(document).scrollTop() + $(window).height() / 2) ? 's' : 'n'; }; $.fn.tipsy.autoWE = function(){ return $(this).offset().left > ($(document).scrollLeft() + $(window).width() / 2) ? 'e' : 'w'; }; /** * yields a closure of the supplied parameters, producing a function that takes * no arguments and is suitable for use as an autogravity function like so: * * @param margin (int) - distance from the viewable region edge that an * element should be before setting its tooltip's gravity to be away * from that edge. * @param prefer (string, e.g. 'n', 'sw', 'w') - the direction to prefer * if there are no viewable region edges effecting the tooltip's * gravity. It will try to vary from this minimally, for example, * if 'sw' is preferred and an element is near the right viewable * region edge, but not the top edge, it will set the gravity for * that element's tooltip to be 'se', preserving the southern * component. */ $.fn.tipsy.autoBounds = function(margin, prefer) { return function() { var dir = {ns: prefer[0], ew: (prefer.length > 1 ? prefer[1] : false)}, boundTop = $(document).scrollTop() + margin, boundLeft = $(document).scrollLeft() + margin, $this = $(this); if ($this.offset().top < boundTop) dir.ns = 'n'; if ($this.offset().left < boundLeft) dir.ew = 'w'; if ($(window).width() + $(document).scrollLeft() - $this.offset().left < margin) dir.ew = 'e'; if ($(window).height() + $(document).scrollTop() - $this.offset().top < margin) dir.ns = 's'; return dir.ns + (dir.ew ? dir.ew : ''); } }; } ( mediaWiki, jQuery ) );