/* * qTip2 - Pretty powerful tooltips * http://craigsworks.com/projects/qtip2/ * * Version: 2.0.0pre * Copyright 2009-2010 Craig Michael Thompson - http://craigsworks.com * * Dual licensed under MIT or GPLv2 licenses * http://en.wikipedia.org/wiki/MIT_License * http://en.wikipedia.org/wiki/GNU_General_Public_License * * Date: Tue Jan 18 16:29:50 2011 +0000 */ "use strict"; // Enable ECMAScript "strict" operation for this function. See more: http://ejohn.org/blog/ecmascript-5-strict-mode-json-and-more/ /*jslint browser: true, onevar: true, undef: true, nomen: true, bitwise: true, regexp: true, newcap: true, immed: true, strict: true */ /*global window: false, jQuery: false */ (function($, window, undefined) { // Munge the primitives - Paul Irish tip var TRUE = true, FALSE = false, NULL = null, // Shortcut vars uitooltip = 'ui-tooltip', widget = 'ui-widget', disabled = 'ui-state-disabled', selector = '.qtip.'+uitooltip, focusClass = uitooltip + '-focus', hideOffset = '-31000px'; // Option object sanitizer function sanitizeOptions(opts) { var content; if(!opts) { return FALSE; } if('object' !== typeof opts.metadata) { opts.metadata = { type: opts.metadata }; } if('content' in opts) { if('object' !== typeof opts.content || opts.content.jquery) { opts.content = { text: opts.content }; } content = opts.content.text || FALSE; if(!$.isFunction(content) && ((!content && !content.attr) || content.length < 1 || ('object' === typeof content && !content.jquery))) { opts.content.text = FALSE; } if('title' in opts.content) { if('object' !== typeof opts.content.title) { opts.content.title = { text: opts.content.title }; } content = opts.content.title.text || FALSE; if(!$.isFunction(content) && ((!content && !content.attr) || content.length < 1 || ('object' === typeof content && !content.jquery))) { opts.content.title.text = FALSE; } } } if('position' in opts) { if('object' !== typeof opts.position) { opts.position = { my: opts.position, at: opts.position }; } } if('show' in opts) { if('object' !== typeof opts.show) { if(opts.show.jquery) { opts.show = { target: opts.show }; } else { opts.show = { event: opts.show }; } } } if('hide' in opts) { if('object' !== typeof opts.hide) { if(opts.hide.jquery) { opts.hide = { target: opts.hide }; } else { opts.hide = { event: opts.hide }; } } } if('style' in opts) { if('object' !== typeof opts.style) { opts.style = { classes: opts.style }; } } // Sanitize plugin options $.each($.fn.qtip.plugins, function() { if(this.sanitize) { this.sanitize(opts); } }); return opts; } /* * Core plugin implementation */ function QTip(target, options, id) { // Declare this reference var self = this, docBody = document.body, tooltipID = uitooltip + '-' + id, tooltip; // Setup class attributes self.id = id; self.rendered = FALSE; self.elements = { target: target }; self.timers = { img: [] }; self.options = options; self.plugins = {}; self.cache = { event: {}, target: NULL, disabled: FALSE, lastFocus: docBody }; /* * Private core functions */ function convertNotation(notation) { var i, obj, // Split notation into array actual = notation.split('.'), // Locate required option option = options[ actual[0] ]; // Loop through for(i = 1; i < actual.length; i+=1) { obj = option[ actual[i] ]; if(typeof obj === 'object' && !obj.jquery && !obj.precedance) { option = option[ actual[i] ]; } else { break; } } return actual[i] !== undefined ? [option, actual[i] ] : [options, actual[0]]; } function offset(elem, container) { var pos = { left: 0, top: 0 }, addScroll = !$.fn.qtip.plugins.iOS, $container = $(container), offsetParent, parentIsContainer; if(container) { if($container.css('position') !== 'static') { pos = offset(container); pos.left *= -1; pos.top *= -1; } else if($container.css('overflow') !== 'visible') { pos.left -= container.scrollLeft; pos.top -= container.scrollTop; } } if(elem.offsetParent) { do { offsetParent = elem.offsetParent; parentIsContainer = offsetParent === container; pos.left += elem.offsetLeft - (addScroll && offsetParent && !parentIsContainer ? offsetParent.scrollLeft : 0); pos.top += elem.offsetTop - (addScroll && offsetParent && !parentIsContainer ? offsetParent.scrollTop : 0); } while(elem = offsetParent); } return pos; } function isVisible() { return tooltip.css('left') !== hideOffset; } function setWidget() { var elems = self.elements, on = options.style.widget; tooltip.toggleClass(widget, on); elems.content.toggleClass(widget+'-content', on); if(elems.titlebar){ elems.titlebar.toggleClass(widget+'-header', on); } if(elems.button){ elems.button.toggleClass(uitooltip+'-icon', !on); } } function removeTitle() { var elems = self.elements; if(elems.title) { elems.titlebar.remove(); elems.titlebar = elems.title = elems.button = NULL; self.reposition(); } } function createButton() { var elems = self.elements, button = options.content.title.button; if(elems.button) { elems.button.remove(); } // Use custom button if one was supplied by user, else use default if(button.jquery) { elems.button = button; } else { elems.button = $('', { 'class': 'ui-state-default ' + (options.style.widget ? '' : uitooltip+'-icon'), 'title': 'Close tooltip', 'aria-label': 'Close tooltip' }) .prepend( $('', { 'class': 'ui-icon ui-icon-close', 'html': '×' }) ); } // Create button and setup attributes elems.button.appendTo(elems.titlebar) .attr('role', 'button') .hover(function(event){ $(this).toggleClass('ui-state-hover', event.type === 'mouseenter'); }) .click(function(event) { if(!tooltip.hasClass(disabled)) { self.hide(event); } return FALSE; }) .bind('mousedown keydown mouseup keyup mouseout', function(event) { $(this).toggleClass('ui-state-active ui-state-focus', event.type.substr(-4) === 'down'); }); // Redraw the tooltip when we're done self.redraw(); } function createTitle() { var elems = self.elements, id = tooltipID+'-title'; // Destroy previous title element, if present if(elems.titlebar) { removeTitle(); } // Create title bar and title elements elems.titlebar = $('
', { 'class': uitooltip + '-titlebar ' + (options.style.widget ? 'ui-widget-header' : '') }) .append( elems.title = $('', { 'id': id, 'class': uitooltip + '-title', 'aria-atomic': TRUE }) ) .insertBefore(elems.content); // Create button if enabled if(options.content.title.button) { createButton(); } // Redraw the tooltip dimensions if it's rendered else if(self.rendered === TRUE){ self.redraw(); } } function updateButton(button) { var elem = self.elements.button, title = self.elements.title; // Make sure tooltip is rendered and if not, return if(!self.rendered) { return FALSE; } if(!button) { elem.remove(); } else { if(!title) { createTitle(); } createButton(); } } function updateTitle(content) { var elem = self.elements.title; // Make sure tooltip is rendered and if not, return if(!self.rendered || !content) { return FALSE; } // Use function to parse content if($.isFunction(content)) { content = content.call(target, self) || ''; } // Append new content if its a DOM array and show it if hidden if(content.jquery && content.length > 0) { elem.empty().append(content.css({ display: 'block' })); } // Content is a regular string, insert the new content else { elem.html(content); } // Redraw and reposition self.redraw(); if(self.rendered === TRUE) { self.reposition(self.cache.event); } } function updateContent(content) { var elem = self.elements.content; // Make sure tooltip is rendered and content is defined. If not return if(!self.rendered || !content) { return FALSE; } // Use function to parse content if($.isFunction(content)) { content = content.call(target, self) || ''; } // Append new content if its a DOM array and show it if hidden if(content.jquery && content.length > 0) { elem.empty().append(content.css({ display: 'block' })); } // Content is a regular string, insert the new content else { elem.html(content); } // Insert into 'fx' queue our image dimension checker which will halt the showing of the tooltip until image dimensions can be detected tooltip.queue('fx', function(next) { // Find all content images without dimensions var images = $('img:not([height]):not([width])', elem); // Update tooltip width and position when all images are loaded function imageLoad(img) { // Remove the image from the array images = images.not(img); // If queue is empty, update tooltip and continue the queue if(images.length === 0) { self.redraw(); if(self.rendered === TRUE) { self.reposition(self.cache.event); } next(); } } // Apply the callback to img events and height checker method to ensure queue continues no matter what! images.each(function(i, elem) { // Apply the imageLoad to regular events to make sure the queue continues var events = ['abort','error','load','unload',''].join('.qtip-image '); $(this).bind(events, function() { clearTimeout(self.timers.img[i]); imageLoad(this); }); // Apply a recursive method that polls the image for dimensions every 20ms (function timer(){ // When the dimensions are found, remove the image from the queue if(elem.height) { return imageLoad(elem); } self.timers.img[i] = setTimeout(timer, 20); }()); return TRUE; }); // If no images were found, continue with queue if(images.length === 0) { imageLoad(images); } }); return self; } function assignEvents(show, hide, tip, doc) { var namespace = '.qtip-'+id, posOptions = options.position, targets = { show: options.show.target, hide: options.hide.target, container: posOptions.container[0] === docBody ? document : posOptions.container }, events = { show: String(options.show.event).split(' '), hide: String(options.hide.event).split(' ') }, IE6 = $.browser.msie && parseInt($.browser.version, 10) === 6; // Define show event method function showMethod(event) { if(tooltip.hasClass(disabled)) { return FALSE; } // If set, hide tooltip when inactive for delay period targets.show.trigger('qtip-'+id+'-inactive'); // Clear hide timers clearTimeout(self.timers.show); clearTimeout(self.timers.hide); // Start show timer var callback = function(){ self.show(event); }; if(options.show.delay > 0) { self.timers.show = setTimeout(callback, options.show.delay); } else{ callback(); } } // Define hide method function hideMethod(event) { if(tooltip.hasClass(disabled)) { return FALSE; } // Check if new target was actually the tooltip element var ontoTooltip = $(event.relatedTarget || event.target).parents(selector)[0] === tooltip[0], ontoTarget = $(event.relatedTarget || event.target)[0] === targets.show[0]; // Clear timers and stop animation queue clearTimeout(self.timers.show); clearTimeout(self.timers.hide); // Prevent hiding if tooltip is fixed and event target is the tooltip. Or if mouse positioning is enabled and cursor momentarily overlaps if(options.hide.fixed && ((posOptions.target === 'mouse' && ontoTooltip) || ((/mouse(out|leave|move)/).test(event.type) && (ontoTooltip || ontoTarget)))) { // Prevent default and popagation event.stopPropagation(); event.preventDefault(); return FALSE; } // If tooltip has displayed, start hide timer tooltip.stop(1, 1); if(options.hide.delay > 0) { self.timers.hide = setTimeout(function(){ self.hide(event); }, options.hide.delay); } else{ self.hide(event); } } // Define inactive method function inactiveMethod(event) { if(tooltip.hasClass(disabled)) { return FALSE; } // Clear timer clearTimeout(self.timers.inactive); self.timers.inactive = setTimeout(function(){ self.hide(event); }, options.hide.inactive); } function repositionMethod(event) { if(self.cache.processing) { return; } // Only update position if tooltip is visible self.cache.processing = 1; if(isVisible()) { self.reposition(event); } self.cache.processing = 0; } // Assign tooltip events if(tip) { // Enable hide.fixed if(options.hide.fixed) { // Add tooltip as a hide target targets.hide = targets.hide.add(tooltip); // Clear hide timer on tooltip hover to prevent it from closing tooltip.bind('mouseover'+namespace, function() { if(!tooltip.hasClass(disabled)) { clearTimeout(self.timers.hide); } }); } // Focus/blur the tooltip tooltip.bind('mouseenter'+namespace+' mouseleave'+namespace, function(event) { self[ event.type === 'mouseenter' ? 'focus' : 'blur' ](event); }); } // Assign hide events if(hide) { // Check if the tooltip hides when inactive if('number' === typeof options.hide.inactive) { // Bind inactive method to target as a custom event targets.show.bind('qtip-'+id+'-inactive', inactiveMethod); // Define events which reset the 'inactive' event handler $.each($.fn.qtip.inactiveEvents, function(index, type){ targets.hide.add(self.elements.tooltip).bind(type+namespace+'-inactive', inactiveMethod); }); } // Apply hide events $.each(events.hide, function(index, type) { var showIndex = $.inArray(type, events.show); // Both events and targets are identical, apply events using a toggle if((showIndex > -1 && $(targets.hide).add(targets.show).length === $(targets.hide).length) || type === 'unfocus') { targets.show.bind(type+namespace, function(event) { if(isVisible()) { hideMethod(event); } else{ showMethod(event); } }); // Don't bind the event again delete events.show[ showIndex ]; } // Events are not identical, bind normally else{ targets.hide.bind(type+namespace, hideMethod); } }); } // Apply show events if(show) { $.each(events.show, function(index, type) { targets.show.bind(type+namespace, showMethod); }); } // Apply document events if(doc) { // Adjust positions of the tooltip on window resize if enabled if(posOptions.adjust.resize || posOptions.viewport) { $($.event.special.resize ? posOptions.viewport : window).bind('resize'+namespace, repositionMethod); } // Adjust tooltip position on scroll if screen adjustment is enabled if(posOptions.viewport || (IE6 && tooltip.css('position') === 'fixed')) { $(posOptions.viewport).bind('scroll'+namespace, repositionMethod); } // Hide tooltip on document mousedown if unfocus events are enabled if((/unfocus/i).test(options.hide.event)) { $(document).bind('mousedown'+namespace, function(event) { if($(event.target).parents(selector).length === 0 && $(event.target).add(target).length > 1 && isVisible() && !tooltip.hasClass(disabled)) { self.hide(event); } }); } // If mouse is the target, update tooltip position on document mousemove if(posOptions.target === 'mouse') { $(document).bind('mousemove'+namespace, function(event) { // Update the tooltip position only if the tooltip is visible and adjustment is enabled if(posOptions.adjust.mouse && !tooltip.hasClass(disabled) && isVisible()) { self.reposition(event || $.fn.qtip.mouse); } }); } } } function unassignEvents(show, hide, tooltip, doc) { doc = parseInt(doc, 10) !== 0; var namespace = '.qtip-'+id, targets = { show: show ? options.show.target : NULL, hide: hide ? options.hide.target : NULL, tooltip: tooltip ? self.elements.tooltip : NULL, content: tooltip ? self.elements.content : NULL, container: doc ? options.position.container[0] === docBody ? document : options.position.container : NULL, window: doc ? window : NULL }; // Check if tooltip is rendered if(self.rendered) { $([]).pushStack( $.grep( [ targets.show, targets.hide, targets.tooltip, targets.container, targets.content, targets.window ], function(){ return this !== null; } ) ) .unbind(namespace); } // Tooltip isn't yet rendered, remove render event else if(show) { targets.show.unbind(namespace+'-create'); } } /* * Public API methods */ $.extend(self, { render: function(show) { if(self.rendered) { return FALSE; } // If tooltip has already been rendered, exit var elements = self.elements, content = options.content.text, title = options.content.title.text, callback = $.Event('tooltiprender'); // Add ARIA attributes to target target.attr({ 'aria-describedby': tooltipID }); // Create tooltip element tooltip = elements.tooltip = $('') .attr({ 'id': tooltipID, 'class': uitooltip + ' qtip ui-helper-reset ' + options.style.classes, /* ARIA specific attributes */ 'role': 'alert', 'aria-live': 'polite', 'aria-atomic': FALSE, 'aria-describedby': tooltipID + '-content', 'aria-hidden': TRUE }) .toggleClass(disabled, self.cache.disabled) .data('qtip', self) .appendTo(options.position.container) .append( // Create content element elements.content = $('', { 'class': uitooltip + '-content', 'id': tooltipID + '-content', 'aria-atomic': TRUE }) ); // Set rendered status self.rendered = TRUE; // Update title and content if(title) { createTitle(); updateTitle(title); } updateContent(content); // Initialize 'render' plugins $.each($.fn.qtip.plugins, function() { if(this.initialize === 'render') { this(self); } }); // Assign events assignEvents(1, 1, 1, 1); $.each(options.events, function(name, callback) { if(callback) { var events = name === 'toggle' ? 'tooltipshow tooltiphide' : 'tooltip'+name; tooltip.bind(events, callback); } }); /* Queue this part of the render process in our fx queue so we can * load images before the tooltip renders fully. * * See: updateContent method */ tooltip.queue('fx', function(next) { // Trigger tooltiprender event and pass original triggering event as original callback.originalEvent = self.cache.event; tooltip.trigger(callback, [self]); // Update tooltip position and show tooltip if needed if(options.show.ready || show) { tooltip.hide(); self.show(self.cache.event); } next(); // Move on }); return self; }, get: function(notation) { var result, o; switch(notation.toLowerCase()) { case 'dimensions': // Find initial dimensions result = { height: tooltip.outerHeight(), width: tooltip.outerWidth() }; break; case 'offset': result = offset(tooltip[0], options.position.container[0]); break; default: o = convertNotation(notation.toLowerCase()); result = (o[0].precedance) ? o[0].string() : (o[0].jquery) ? o[0] : o[0][ o[1] ]; break; } return result; }, set: function(notation, value) { notation = notation.toLowerCase(); var option = convertNotation(notation), elems = self.elements, previous, category, rule, checks = { builtin: { // Core checks '^id$': function(obj, opt, val, prev) { var id = value === TRUE ? $.fn.qtip.nextid : value, tooltipID = uitooltip + '-' + id; if(id !== FALSE && id.length > 0 && !$('#'+tooltipID).length) { tooltip[0].id = tooltipID; elems.content[0].id = tooltipID + '-content'; elems.title[0].id = tooltipID + '-title'; } }, // Content checks '^content.text$': function(){ updateContent(value); }, '^content.title.text$': function() { // Remove title if content is null if(!value) { return removeTitle(); } // If title isn't already created, create it now if(!self.elements.title && value) { createTitle(); } updateTitle(value); }, '^content.title.button$': function(){ updateButton(value); }, // Position checks '^position.(my|at)$': function(){ // Parse new corner value into Corner objecct var corner = (/my$/i).test(notation) ? 'my' : 'at'; if('string' === typeof value) { options.position[corner] = new $.fn.qtip.plugins.Corner(value); } }, '^position.container$': function(){ if(self.rendered === TRUE) { tooltip.appendTo(value); } }, // Show & hide checks '^(show|hide).(event|target|fixed|delay|inactive)$': function(obj, opt, val, prev) { var args = notation.search(/fixed/i) > -1 ? [0, [0,1,1,1]] : [notation.substr(0,3), notation.charAt(0) === 's' ? [1,0,0,0] : [0,1,0,0]]; if(args[0]) { obj[opt] = prev; } unassignEvents.apply(self, args[1]); if(args[0]) { obj[opt] = val; } assignEvents.apply(self, args[1]); }, '^show.ready$': function() { if(self.rendered === FALSE) { self.show(); } }, // Style checks '^style.classes$': function() { tooltip.attr('class', uitooltip + ' qtip ui-helper-reset ' + value); }, '^style.widget|content.title': setWidget, // Events check '^events.(render|show|move|hide|focus|blur)$': function(obj, opt, val, prev) { elems.tooltip[($.isFunction(value) ? '' : 'un') + 'bind']('tooltip'+opt, val); }, // Update position on ANY style update or position change '^position.(my|at|adjust|target|container)|style|content': function(){ self.reposition(); } } }; // Merge active plugin checks $.each(self.plugins, function(name) { if('object' === typeof this.checks) { checks[name] = this.checks; } }); // Set new option value previous = option[0][ option[1] ]; option[0][ option[1] ] = value.nodeType ? $(value) : value; // Re-sanitize options sanitizeOptions(options); // Execute any valid callbacks for(category in checks) { for(rule in checks[category]) { if((new RegExp(rule, 'i')).test(notation)) { checks[category][rule].call(self, option[0], option[1], value, previous); } } } return self; }, toggle: function(state, event) { if(self.rendered === FALSE) { return FALSE; } var type = state ? 'show' : 'hide', opts = options[type], visible = isVisible(), callback; // Detect state if valid one isn't provided if((typeof state).search('boolean|number')) { state = !visible; } // Return if element is already in correct state if((!visible && !state) || tooltip.is(':animated')) { return self; } // Try to prevent flickering when tooltip overlaps show element if(event) { if((/over|enter/).test(event.type) && (/out|leave/).test(self.cache.event.type) && event.target === options.show.target[0] && tooltip.has(event.relatedTarget).length){ return self; } // Cache event self.cache.event = $.extend({}, event); } // Call API methods callback = $.Event('tooltip'+type); callback.originalEvent = event ? self.cache.event : NULL; tooltip.trigger(callback, [self, 90]); if(callback.isDefaultPrevented()){ return self; } // Set ARIA hidden status attribute tooltip.attr('aria-hidden', !!!state); // Execute state specific properties if(state) { tooltip.hide().css({ visibility: '' }); // Hide it first so effects aren't skipped // Focus the tooltip self.focus(event); // Update tooltip position (without animation) self.reposition(event, 0); // Hide other tooltips if tooltip is solo if(opts.solo) { $(selector).not(tooltip).qtip('hide'); } } else { // Clear show timer if we're hiding clearTimeout(self.timers.show); // Blur the tooltip self.blur(event); } // Define post-animation state specific properties function after() { // Prevent antialias from disappearing in IE by removing filter if(state) { if($.browser.msie) { tooltip[0].style.removeAttribute('filter'); } } // Hide the tooltip using negative offset and reset opacity else { tooltip.css({ display: '', visibility: 'hidden', width: '', opacity: '', left: '', top: '' }); } } // Clear animation queue tooltip.stop(1, 1); // Use custom function if provided if($.isFunction(opts.effect)) { opts.effect.call(tooltip, self); tooltip.queue('fx', function(next){ after.call(this, next); next(); }); } // If no effect type is supplied, use a simple toggle else if(opts.effect === FALSE) { tooltip[ type ](); after.call(tooltip); } // Use basic fade function by default else { tooltip.fadeTo(90, state ? 1 : 0, after); } // If inactive hide method is set, active it if(state) { opts.target.trigger('qtip-'+id+'-inactive'); } $.fn.qtip.lastShown = self; return self; }, show: function(event){ self.toggle(TRUE, event); }, hide: function(event){ self.toggle(FALSE, event); }, focus: function(event) { if(self.rendered === FALSE) { return FALSE; } var qtips = $(selector), curIndex = parseInt(tooltip[0].style.zIndex, 10), newIndex = $.fn.qtip.zindex + qtips.length, cachedEvent = $.extend({}, event), focusedElem, callback; // Only update the z-index if it has changed and tooltip is not already focused if(!tooltip.hasClass(focusClass)) { // Only update z-index's if they've changed' if(curIndex !== newIndex) { // Reduce our z-index's and keep them properly ordered qtips.each(function() { if(this.style.zIndex > curIndex) { this.style.zIndex = this.style.zIndex - 1; } }); // Fire blur event for focused tooltip $(selector + '.' + focusClass).qtip('blur', cachedEvent); } // Store currently focused element self.cache.lastFocus = document.activeElement; // Call API method callback = $.Event('tooltipfocus'); callback.originalEvent = cachedEvent; tooltip.trigger(callback, [self, newIndex]); // If callback wasn't FALSE if(!callback.isDefaultPrevented()) { // Set the new z-index tooltip.addClass(focusClass)[0].style.zIndex = newIndex; } } return self; }, blur: function(event) { var cachedEvent = $.extend({}, event), callback; // Set focused status to FALSE tooltip.removeClass(focusClass); // Trigger blur event callback = $.Event('tooltipblur'); callback.originalEvent = cachedEvent; tooltip.trigger(callback, [self]); }, reposition: function(event, effect) { if(self.rendered === FALSE) { return FALSE; } var target = options.position.target, posOptions = options.position, my = posOptions.my, at = posOptions.at, adjust = posOptions.adjust, elemWidth = tooltip.outerWidth(), elemHeight = tooltip.outerHeight(), targetWidth = 0, targetHeight = 0, callback = $.Event('tooltipmove'), fixed = tooltip.css('position') === 'fixed', viewport = posOptions.viewport.jquery ? posOptions.viewport : $(window), position = { left: 0, top: 0 }, readjust = { left: function(posLeft) { var viewportScroll = viewport.scrollLeft, myWidth = my.x === 'left' ? elemWidth : my.x === 'right' ? -elemWidth : -elemWidth / 2, atWidth = at.x === 'left' ? targetWidth : at.x === 'right' ? -targetWidth : -targetWidth / 2, overflowLeft = viewportScroll - posLeft, overflowRight = posLeft + elemWidth - viewport.width - viewportScroll, offset = myWidth - (my.precedance === 'x' || my.x === my.y ? atWidth : 0); if(overflowLeft > 0 && (my.x !== 'left' || overflowRight > 0)) { position.left -= offset; } else if(overflowRight > 0 && (my.x !== 'right' || overflowLeft > 0) ) { position.left -= (my.x === 'center' ? -1 : 1) * offset + (2 * adjust.x); } // Make sure we haven't made things worse with the adjustment and return the adjusted difference if(position.left < 0 && -position.left > overflowRight) { position.left = posLeft; } return position.left - posLeft; }, top: function(posTop) { var viewportScroll = viewport.scrollTop, myHeight = my.y === 'top' ? elemHeight : my.y === 'bottom' ? -elemHeight : -elemHeight / 2, atHeight = at.y === 'top' ? targetHeight : at.y === 'bottom' ? -targetHeight : -targetHeight / 2, overflowTop = viewportScroll - posTop, overflowBottom = posTop + elemHeight - viewport.height - viewportScroll, offset = myHeight - (my.precedance === 'y' || my.x === my.y ? atHeight : 0); if(overflowTop > 0 && (my.y !== 'top' || overflowBottom > 0)) { position.top -= offset; } else if(overflowBottom > 0 && (my.y !== 'bottom' || overflowTop > 0) ) { position.top -= (my.y === 'center' ? -1 : 1) * offset + (2 * adjust.y); } // Make sure we haven't made things worse with the adjustment and return the adjusted difference if(position.top < 0 && -position.top > overflowBottom) { position.top = posTop; } return position.top - posTop; } }; effect = effect === undefined || !!effect || FALSE; // Cache our viewport details viewport = !viewport ? FALSE : { elem: viewport, height: viewport[ (viewport[0] === window ? 'h' : 'outerH') + 'eight' ](), width: viewport[ (viewport[0] === window ? 'w' : 'outerW') + 'idth' ](), scrollLeft: viewport.scrollLeft(), scrollTop: viewport.scrollTop() }; // Check if mouse was the target if(target === 'mouse') { // Force left top to allow flipping at = { x: 'left', y: 'top' }; // Use cached event if one isn't available for positioning event = event && (event.type === 'resize' || event.type === 'scroll') ? self.cache.event : adjust.mouse || !event || !event.pageX ? $.extend({}, $.fn.qtip.mouse) : event; // Use event coordinates for position position = { top: event.pageY, left: event.pageX }; } else { // Check if event targetting is being used if(target === 'event') { if(event && event.target && event.type !== 'scroll' && event.type !== 'resize') { target = self.cache.target = $(event.target); } else { target = self.cache.target; } } // Parse the target into a jQuery object and make sure there's an element present target = $(target).eq(0); if(target.length === 0) { return self; } // Check if window or document is the target else if(target[0] === document || target[0] === window) { targetWidth = target.width(); targetHeight = target.height(); if(target[0] === window) { position = { top: fixed ? 0 : viewport.scrollTop, left: fixed ? 0 : viewport.scrollLeft }; } } // Use Imagemap plugin if target is an AREA element else if(target.is('area') && $.fn.qtip.plugins.imagemap) { position = $.fn.qtip.plugins.imagemap(target, at); targetWidth = position.width; targetHeight = position.height; position = position.offset; } else { targetWidth = target.outerWidth(); targetHeight = target.outerHeight(); position = offset(target[0], posOptions.container[0]); } // Adjust position relative to target position.left += at.x === 'right' ? targetWidth : at.x === 'center' ? targetWidth / 2 : 0; position.top += at.y === 'bottom' ? targetHeight : at.y === 'center' ? targetHeight / 2 : 0; } // Adjust position relative to tooltip position.left += adjust.x + (my.x === 'right' ? -elemWidth : my.x === 'center' ? -elemWidth / 2 : 0); position.top += adjust.y + (my.y === 'bottom' ? -elemHeight : my.y === 'center' ? -elemHeight / 2 : 0); // Calculate collision offset values if(posOptions.viewport.jquery && target[0] !== window && target[0] !== docBody) { position.adjusted = { left: readjust.left(position.left), top: readjust.top(position.top) }; } else { position.adjusted = { left: 0, top: 0 }; } // Set tooltip position class tooltip.attr('class', function(i, val) { return $(this).attr('class').replace(/ui-tooltip-pos-\w+/i, ''); }) .addClass(uitooltip + '-pos-' + my.abbreviation()); // Call API method callback.originalEvent = $.extend({}, event); tooltip.trigger(callback, [self, position, viewport.elem]); if(callback.isDefaultPrevented()){ return self; } delete position.adjusted; // If effect is disabled or positioning gives NaN out, set CSS directly if(!effect || !isNaN(position.left, position.top)) { tooltip.css(position); } // Use custom function if provided else if(isVisible() && $.isFunction(posOptions.effect)) { posOptions.effect.call(tooltip, self, position); tooltip.queue(function(next) { var elem = $(this); // Reset attributes to avoid cross-browser rendering bugs elem.css({ opacity: '', height: '' }); if($.browser.msie && this.style) { this.style.removeAttribute('filter'); } next(); }); } return self; }, // IE max/min height/width simulartor function redraw: function() { // Make sure tooltip is rendered and the browser needs the redraw if(!self.rendered || !($.browser.msie && $.browser.version < 8)) { return FALSE; } var fluid = uitooltip + '-fluid', dimensions; // Reset the height and width and add the fluid class to reset max/min widths tooltip.css({ width: 'auto', height: 'auto' }).addClass(fluid); // Grab our tooltip dimensions dimensions = { height: tooltip.outerHeight(), width: tooltip.outerWidth() }; // Determine actual width $.each(['width', 'height'], function(i, prop) { // Parse our max/min properties var max = parseInt(tooltip.css('max-'+prop), 10) || 0, min = parseInt(tooltip.css('min-'+prop), 10) || 0; // Determine new dimension size based on max/min/current values dimensions[prop] = max + min ? Math.min( Math.max( dimensions[prop], min ), max ) : dimensions[prop]; }); // Set the newly calculated dimensions and remvoe fluid class tooltip.css(dimensions).removeClass(fluid); }, disable: function(state) { var c = disabled; if('boolean' !== typeof state) { state = !(tooltip.hasClass(c) || self.cache.disabled); } if(self.rendered) { tooltip.toggleClass(c, state); tooltip.attr('aria-disabled', state); } else { self.cache.disabled = !!state; } return self; }, destroy: function() { var oldtitle = target.data('oldtitle'); // Destroy tooltip and any associated plugins if rendered if(self.rendered) { tooltip.remove(); $.each(self.plugins, function() { if(this.initialize === 'render') { this.destroy(); } }); } // Clear timers and remove bound events clearTimeout(self.timers.show); clearTimeout(self.timers.hide); unassignEvents(1, 1, 1, 1); // Remove api object target.removeData('qtip'); // Reset old title attribute if removed if(oldtitle) { target.attr('title', oldtitle); } // Remove ARIA attributse target.removeAttr('aria-describedby'); return target; } }); } // Initialization method function init(id, opts) { var obj, posOptions, // Setup element references elem = $(this), docBody = $(document.body), // Use document body instead of document element if needed newTarget = this === document ? docBody : elem, // Grab metadata from element if plugin is present metadata = (elem.metadata) ? elem.metadata(opts.metadata) : NULL, // Check if the metadata returned is in HTML5 form and grab 'name' from the object instead metadata5 = metadata && opts.metadata.type === 'html5' ? metadata[opts.metadata.name] : NULL, // Merge in our sanitized metadata and remove metadata object so we don't interfere with other metadata calls config = $.extend(TRUE, {}, $.fn.qtip.defaults, opts, sanitizeOptions(metadata5 || metadata)); elem.removeData('metadata'); // Re-grab our positioning options now we've merged our metadata posOptions = config.position; // Setup missing content if none is detected if('boolean' === typeof config.content.text) { // Grab from supplied attribute if available if(config.content.attr !== FALSE && elem.attr(config.content.attr)) { config.content.text = elem.attr(config.content.attr); } // No valid content was found, abort render else { return FALSE; } } // Setup target options if(posOptions.container === FALSE) { posOptions.container = docBody; } if(posOptions.target === FALSE) { posOptions.target = newTarget; } if(config.show.target === FALSE) { config.show.target = newTarget; } if(config.hide.target === FALSE) { config.hide.target = newTarget; } if(config.position.viewport === TRUE) { config.position.viewport = posOptions.container; } // Convert position corner values into x and y strings posOptions.at = new $.fn.qtip.plugins.Corner(posOptions.at); posOptions.my = new $.fn.qtip.plugins.Corner(posOptions.my); // Destroy previous tooltip if overwrite is enabled, or skip element if not if(elem.data('qtip')) { if(config.overwrite) { elem.qtip('destroy'); } else if(config.overwrite === FALSE) { return FALSE; } } // Remove title attribute and store it if present if(elem.attr('title')) { elem.data('oldtitle', elem.attr('title')).removeAttr('title'); } // Initialize the tooltip and add API reference obj = new QTip(elem, config, id); elem.data('qtip', obj); // Catch remove events on target element to destroy redundant tooltip elem.bind('remove.qtip', function(){ obj.destroy(); }); return obj; } // jQuery $.fn extension method $.fn.qtip = function(options, notation, newValue) { var command = String(options).toLowerCase(), // Parse command returned = NULL, args = command === 'disable' ? [TRUE] : $.makeArray(arguments).slice(1, 10), event = args[args.length - 1], opts; // Check for API request if((!arguments.length && this.data('qtip')) || command === 'api') { opts = this.data('qtip'); return opts ? opts : undefined; } // Execute API command if present else if('string' === typeof options) { this.each(function() { var api = $(this).data('qtip'); if(!api) { return TRUE; } // Call APIcommand if((/option|set/).test(command) && notation) { if(newValue !== undefined) { api.set(notation, newValue); } else { returned = api.get(notation); } } else { // Render tooltip if not already rendered when tooltip is to be shown if(!api.rendered && (command === 'show' || command === 'toggle')) { if(event && event.timeStamp) { api.cache.event = event; } api.render(1); } // Check for disable/enable commands else if(command === 'enable') { command = 'disable'; args = [FALSE]; } // Execute API command if(api[command]) { api[command].apply(api[command], args); } } }); return returned !== NULL ? returned : this; } // No API commands. validate provided options and setup qTips else if('object' === typeof options || !arguments.length) { opts = sanitizeOptions($.extend(TRUE, {}, options)); // Bind the qTips return $.fn.qtip.bind.call(this, opts, event); } }; // $.fn.qtip Bind method $.fn.qtip.bind = function(opts, event) { return this.each(function(i) { var options, targets, events, // Find next available ID, or use custom ID if provided id = opts.id = (!opts.id || opts.id === FALSE || opts.id.length < 1 || $('#'+uitooltip+'-'+opts.id).length) ? $.fn.qtip.nextid++ : opts.id, // Setup events namespace namespace = '.qtip-'+id+'-create', // Initialize the qTip and re-grab newly sanitized options self = init.call(this, id, opts); if(self === FALSE) { return TRUE; } options = self.options; // Initialize plugins $.each($.fn.qtip.plugins, function() { if(this.initialize === 'initialize') { this(self); } }); // Determine hide and show targets targets = { show: options.show.target, hide: options.hide.target }; events = { show: String(options.show.event).replace(' ', namespace+' ') + namespace, hide: String(options.hide.event).replace(' ', namespace+' ') + namespace }; // Define hoverIntent function function hoverIntent(event) { function render() { // Cache mouse coords,render and render the tooltip self.render(typeof event === 'object' || options.show.ready); // Unbind show and hide event targets.show.unbind(events.show); targets.hide.unbind(events.hide); } // Only continue if tooltip isn't disabled if(self.cache.disabled) { return FALSE; } // Cache the event data self.cache.event = $.extend({}, event); // Start the event sequence if(options.show.delay > 0) { clearTimeout(self.timers.show); self.timers.show = setTimeout(render, options.show.delay); if(events.show !== events.hide) { targets.hide.bind(events.hide, function() { clearTimeout(self.timers.show); }); } } else { render(); } } // Bind show events to target targets.show.bind(events.show, hoverIntent); // Prerendering is enabled, create tooltip now if(options.show.ready || options.prerender) { hoverIntent(event); } }); }; // Override some of the core jQuery methods for library-specific purposes $.each({ /* Allow other plugins to successfully retrieve the title of an element with a qTip applied */ attr: function(attr) { var self = $(this), api = self.data('qtip'); return (arguments.length === 1 && attr === 'title' && api && api.rendered === TRUE) ? self.data('oldtitle') : NULL; }, /* * Taken directly from jQuery 1.8.2 widget source code * Trigger 'remove' event on all elements on removal if jQuery UI isn't present */ remove: $.ui ? NULL : function( selector, keepData ) { $(this).each(function() { if (!keepData) { if (!selector || $.filter( selector, [ this ] ).length) { $('*', this).add(this).each(function() { $(this).triggerHandler('remove'); }); } } }); } }, function(name, func) { if(!func) { return TRUE; } $.fn['Old'+name] = $.fn[name]; $.fn[name] = function() { return func.apply(this, arguments) || $.fn['Old'+name].apply(this, arguments); }; }); $(document).ready(function() { var doc = document, docBody = doc.body; // Cache mousemove events for positioning purposes $(doc).bind('mousemove.qtip', function(event) { $.fn.qtip.mouse = { pageX: event.pageX, pageY: event.pageY }; }); /* * If document.activeElement isn't available, we'll use our own implementation to record focus * http://ajaxandxml.blogspot.com/2007/11/emulating-activeelement-property-with.html */ if(doc.activeElement === undefined) { doc.addEventListener("focus", function(event) { if(event && event.target) { doc.activeElement = event.target === doc ? docBody : event.target; } }, true); } }); // Set global qTip properties $.fn.qtip.version = '2.0.0pre'; $.fn.qtip.nextid = 0; $.fn.qtip.inactiveEvents = 'click dblclick mousedown mouseup mousemove mouseleave mouseenter'.split(' '); $.fn.qtip.zindex = 15000; // Setup base plugins $.fn.qtip.plugins = { // Corner object parser Corner: function(corner) { corner = String(corner).replace(/([A-Z])/, ' $1').replace(/middle/gi, 'center').toLowerCase(); this.x = (corner.match(/left|right/i) || corner.match(/center/) || ['inherit'])[0].toLowerCase(); this.y = (corner.match(/top|bottom|center/i) || ['inherit'])[0].toLowerCase(); this.precedance = (corner.charAt(0).search(/^(t|b)/) > -1) ? 'y' : 'x'; this.string = function() { return this.precedance === 'y' ? this.y+this.x : this.x+this.y; }; this.abbreviation = function() { var x = this.x.substr(0,1), y = this.y.substr(0,1); return x === y ? x : (x === 'c' || (x !== 'c' && y !== 'c')) ? y + x : x + y; }; }, /* * iOS 4.0 and below scroll fix detection used in offset() function. */ iOS: parseFloat(((/CPU.+OS ([0-9_]{3}).*AppleWebkit.*Mobile/i.exec(navigator.userAgent)) || [0,'4_2'])[1].replace('_','.')) < 4.1 }; // Define configuration defaults $.fn.qtip.defaults = { prerender: FALSE, id: FALSE, overwrite: TRUE, metadata: { type: 'class' }, content: { text: TRUE, attr: 'title', title: { text: FALSE, button: FALSE } }, position: { my: 'top left', at: 'bottom right', target: FALSE, container: FALSE, viewport: FALSE, adjust: { x: 0, y: 0, mouse: TRUE, resize: TRUE }, effect: TRUE }, show: { target: FALSE, event: 'mouseenter', effect: TRUE, delay: 90, solo: FALSE, ready: FALSE }, hide: { target: FALSE, event: 'mouseleave', effect: TRUE, delay: 0, fixed: FALSE, inactive: FALSE }, style: { classes: '', widget: FALSE }, events: { render: NULL, move: NULL, show: NULL, hide: NULL, toggle: NULL, focus: NULL, blur: NULL } };function Ajax(qTip) { var self = this, tooltip = qTip.elements.tooltip, opts = qTip.options.content.ajax, namespace = '.qtip-ajax'; self.checks = { '^content.ajax': function(obj, name) { if(name === 'once') { self.once(); } else if(opts && opts.url) { self.load(); } } }; $.extend(self, { init: function() { // Make sure ajax options are enabled before proceeding if(opts && opts.url) { self.load(); tooltip.one('tooltipshow', self.once); } }, once: function() { if(opts.once) { self.destroy(); } else { tooltip.bind('tooltipshow'+namespace, self.load); } }, load: function() { // Define success and error handlers function successHandler(content){ qTip.set('content.text', content); } function errorHandler(xh, status, error){ qTip.set('content.text', status + ': ' + error); } // Setup $.ajax option object and process the request $.ajax( $.extend({ success: successHandler, error: errorHandler, context: qTip }, opts) ); return self; }, destroy: function() { // Remove bound events tooltip.unbind(namespace); } }); self.init(); } $.fn.qtip.plugins.ajax = function(qTip) { var api = qTip.plugins.ajax; return 'object' === typeof api ? api : (qTip.plugins.ajax = new Ajax(qTip)); }; $.fn.qtip.plugins.ajax.initialize = 'render'; // Setup plugin sanitization $.fn.qtip.plugins.ajax.sanitize = function(options) { var content = options.content, opts; if(content && 'ajax' in content) { opts = content.ajax; if(typeof opts !== 'object') { opts = options.content.ajax = { url: opts }; } if('boolean' !== typeof opts.once && opts.once) { opts.once = !!opts.once; } } }; // Extend original qTip defaults $.extend(TRUE, $.fn.qtip.defaults, { content: { ajax: { once: TRUE } } });// Tip coordinates calculator function calculateTip(corner, width, height) { var width2 = Math.ceil(width / 2), height2 = Math.ceil(height / 2), // Define tip coordinates in terms of height and width values tips = { bottomright: [[0,0], [width,height], [width,0]], bottomleft: [[0,0], [width,0], [0,height]], topright: [[0,height], [width,0], [width,height]], topleft: [[0,0], [0,height], [width,height]], topcenter: [[0,height], [width2,0], [width,height]], bottomcenter: [[0,0], [width,0], [width2,height]], rightcenter: [[0,0], [width,height2], [0,height]], leftcenter: [[width,0], [width,height], [0,height2]] }; // Set common side shapes tips.lefttop = tips.bottomright; tips.righttop = tips.bottomleft; tips.leftbottom = tips.topright; tips.rightbottom = tips.topleft; return tips[ corner.string() ]; } function Tip(qTip, command) { var self = this, opts = qTip.options.style.tip, elems = qTip.elements, tooltip = elems.tooltip, cache = { top: 0, left: 0, corner: '' }, size = { width: opts.width, height: opts.height }, color = { }, border = opts.border || 0, namespace = '.qtip-tip', hasCanvas = $('')[0].getContext; self.corner = NULL; self.mimic = NULL; self.checks = { '^position.my|style.tip.(corner|mimic|border)$': function() { // Make sure a tip can be drawn if(!self.init()) { self.destroy(); } // Reposition the tooltip qTip.reposition(); }, '^style.tip.(height|width)$': function() { // Re-set dimensions and redraw the tip size = { width: opts.width, height: opts.height }; self.create(); self.update(); // Reposition the tooltip qTip.reposition(); }, '^content.title.text|style.(classes|widget)$': function() { if(elems.tip) { self.update(); } } }; function reposition(event, api, pos, viewport) { if(!elems.tip) { return; } var newCorner = $.extend({}, self.corner), adjusted = pos.adjusted, offset; // Make sure our tip position isn't fixed e.g. doesn't adjust with adjust.screen if(self.corner.fixed !== TRUE) { // Adjust tip corners if(adjusted.left) { newCorner.x = newCorner.x === 'center' ? (adjusted.left > 0 ? 'left' : 'right') : (newCorner.x === 'left' ? 'right' : 'left'); } if(adjusted.top) { newCorner.y = newCorner.y === 'center' ? (adjusted.top > 0 ? 'top' : 'bottom') : (newCorner.y === 'top' ? 'bottom' : 'top'); } // Update and redraw the tip if needed if(newCorner.string() !== cache.corner && (cache.top !== adjusted.top || cache.left !== adjusted.left)) { offset = self.update(newCorner); } } // Adjust position to accomodate tip dimensions if(!offset) { offset = self.position(newCorner, 0); } if(offset.right !== undefined) { offset.left = offset.right; } if(offset.bottom !== undefined) { offset.top = offset.bottom; } offset.option = Math.max(0, opts.offset); pos.left -= offset.left.charAt ? offset.option : (offset.right ? -1 : 1) * offset.left; pos.top -= offset.top.charAt ? offset.option : (offset.bottom ? -1 : 1) * offset.top; // Cache details cache.left = adjusted.left; cache.top = adjusted.top; cache.corner = newCorner.string(); } /* border width calculator */ function borderWidth(corner, side, backup) { side = !side ? corner[corner.precedance] : side; var isTitleTop = elems.titlebar && corner.y === 'top', elem = isTitleTop ? elems.titlebar : elems.content, css = 'border-' + side + '-width', val = parseInt(elem.css(css), 10); return (backup ? val || parseInt(tooltip.css(css), 10) : val) || 0; } function borderRadius(corner) { var isTitleTop = elems.titlebar && corner.y === 'top', elem = isTitleTop ? elems.titlebar : elems.content, moz = $.browser.mozilla, prefix = moz ? '-moz-' : $.browser.webkit ? '-webkit-' : '', side = corner.y + (moz ? '' : '-') + corner.x, css = prefix + (moz ? 'border-radius-' + side : 'border-' + side + '-radius'); return parseInt(elem.css(css), 10) || parseInt(tooltip.css(css), 10) || 0; } function calculateSize(corner) { var y = corner.precedance === 'y', width = size [ y ? 'width' : 'height' ], height = size [ y ? 'height' : 'width' ], isCenter = corner.string().indexOf('center') > -1, base = width * (isCenter ? 0.5 : 1), pow = Math.pow, round = Math.round, bigHyp, ratio, result, smallHyp = Math.sqrt( pow(base, 2) + pow(height, 2) ), hyp = [ (border / base) * smallHyp, (border / height) * smallHyp ]; hyp[2] = Math.sqrt( pow(hyp[0], 2) - pow(border, 2) ); hyp[3] = Math.sqrt( pow(hyp[1], 2) - pow(border, 2) ); bigHyp = smallHyp + hyp[2] + hyp[3] + (isCenter ? 0 : hyp[0]); ratio = bigHyp / smallHyp; result = [ round(ratio * height), round(ratio * width) ]; return { height: result[ y ? 0 : 1 ], width: result[ y ? 1 : 0 ] }; } $.extend(self, { init: function() { var enabled = self.detectCorner() && (hasCanvas || $.browser.msie); // Determine tip corner and type if(enabled) { // Create a new tip and draw it self.create(); self.update(); // Bind update events tooltip.unbind(namespace).bind('tooltipmove'+namespace, reposition); } return enabled; }, detectCorner: function() { var corner = opts.corner, posOptions = qTip.options.position, at = posOptions.at, my = posOptions.my.string ? posOptions.my.string() : posOptions.my; // Detect corner and mimic properties if(corner === FALSE || (my === FALSE && at === FALSE)) { return FALSE; } else { if(corner === TRUE) { self.corner = new $.fn.qtip.plugins.Corner(my); } else if(!corner.string) { self.corner = new $.fn.qtip.plugins.Corner(corner); self.corner.fixed = TRUE; } } return self.corner.string() !== 'centercenter'; }, detectColours: function() { var tip = elems.tip.css({ backgroundColor: '', border: '' }), corner = self.corner, precedance = corner[ corner.precedance ], borderSide = 'border-' + precedance + '-color', borderSideCamel = 'border' + precedance.charAt(0) + precedance.substr(1) + 'Color', invalid = /rgba?\(0, 0, 0(, 0)?\)|transparent/i, backgroundColor = 'background-color', transparent = 'transparent', useTitle = elems.titlebar && (corner.y === 'top' || (corner.y === 'center' && tip.position().top + (size.height / 2) + opts.offset < elems.titlebar.outerHeight(1))), colorElem = useTitle ? elems.titlebar : elems.content; // Detect tip colours from CSS styles color.fill = tip.css(backgroundColor) || transparent; color.border = tip[0].style[ borderSideCamel ]; // Make sure colours are valid if(!color.fill || invalid.test(color.fill)) { color.fill = colorElem.css(backgroundColor); if(invalid.test(color.fill)) { color.fill = tooltip.css(backgroundColor); } } if(!color.border || invalid.test(color.border)) { color.border = tooltip.css(borderSide); if(invalid.test(color.border) || color.border === $(document.body).css('color')) { color.border = (colorElem.css(borderSide) !== $(qTip.elements.content).css('color') ? colorElem.css(borderSide) : transparent); } } // Reset background and border colours $('*', tip).add(tip).css(backgroundColor, transparent).css('border', '0px dashed transparent'); }, create: function() { var width = size.width, height = size.height, vml; // Remove previous tip element if present if(elems.tip) { elems.tip.remove(); } // Create tip element and prepend to the tooltip elems.tip = $('', { 'class': 'ui-tooltip-tip' }).css({ width: width, height: height }).prependTo(tooltip); // Create tip drawing element(s) if(hasCanvas) { // save() as soon as we create the canvas element so FF2 doesn't bork on our first restore()! $('').appendTo(elems.tip)[0].getContext('2d').save(); } else { vml = '