--- /dev/null
+// tipsy, facebook style tooltips for jquery
+// version 1.0.0a*
+// (c) 2008-2010 jason frame [jason@onehackoranother.com]
+// released under the MIT license
+
+// * This installation of tipsy includes several local modifications to both Javascript and CSS.
+// Please be careful when upgrading.
+
+( 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.options.opacity})
+ .attr( 'aria-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);
+ }
+ };
+
+ 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 no longer supported.' );
+ }
+ this
+ .on( eventIn, enter )
+ .on( eventOut, leave );
+ }
+
+ return this;
+
+ };
+
+ $.fn.tipsy.defaults = {
+ className: null,
+ delayIn: 0,
+ delayOut: 0,
+ fade: true,
+ fallback: '',
+ gravity: 'n',
+ 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) {
+ 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 ) );
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