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Show how many samples as well as when the last sample was.
author | Daniel O'Connor <darius@dons.net.au> |
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date | Fri, 31 May 2013 13:36:26 +0930 |
parents | 2d9ee2b3ae82 |
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/* _/ _/_/ _/_/_/_/_/ _/ _/ _/ _/ _/_/ _/ _/ _/_/_/ _/_/_/ _/ _/ _/_/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ _/_/ _/ _/ _/_/ _/_/_/ _/_/_/ _/ _/ _/ _/ Created by David Kaneda <http://www.davidkaneda.com> Documentation and issue tracking on GitHub <http://wiki.github.com/senchalabs/jQTouch/> Special thanks to Jonathan Stark <http://jonathanstark.com/> and pinch/zoom <http://www.pinchzoom.com/> (c) 2010 by jQTouch project members. See LICENSE.txt for license. $Revision: 166 $ $Date: Tue Mar 29 01:24:46 EDT 2011 $ $LastChangedBy: jonathanstark $ */ (function($) { $.jQTouch = function(options) { // Initialize internal jQT variables var $body, $head=$('head'), initialPageId='', hist=[], newPageCount=0, jQTSettings={}, currentPage='', orientation='portrait', tapReady=true, lastTime=0, lastAnimationTime=0, touchSelectors=[], publicObj={}, tapBuffer=351, extensions=$.jQTouch.prototype.extensions, animations=[], hairExtensions='', defaults = { addGlossToIcon: true, backSelector: '.back, .cancel, .goback', cacheGetRequests: true, debug: false, fallback2dAnimation: 'fade', fixedViewport: true, formSelector: 'form', fullScreen: true, fullScreenClass: 'fullscreen', hoverDelay: 50, icon: null, iconPad: null, // available in iOS 4.2 and later. icon4: null, // available in iOS 4.2 and later. moveThreshold: 10, preloadImages: false, pressDelay: 1000, startupScreen: null, statusBar: 'default', // other options: black-translucent, black submitSelector: '.submit', touchSelector: 'a, .touch', useAnimations: true, useFastTouch: true, // experimental animations: [ // highest to lowest priority {selector:'.cube', name:'cubeleft', is3d:true}, {selector:'.cubeleft', name:'cubeleft', is3d:true}, {selector:'.cuberight', name:'cuberight', is3d:true}, {selector:'.dissolve', name:'dissolve', is3d:false}, {selector:'.fade', name:'fade', is3d:false}, {selector:'.flip', name:'flipleft', is3d:true}, {selector:'.flipleft', name:'flipleft', is3d:true}, {selector:'.flipright', name:'flipright', is3d:true}, {selector:'.pop', name:'pop', is3d:true}, {selector:'.slide', name:'slideleft', is3d:false}, {selector:'.slidedown', name:'slidedown', is3d:false}, {selector:'.slideleft', name:'slideleft', is3d:false}, {selector:'.slideright', name:'slideright', is3d:false}, {selector:'.slideup', name:'slideup', is3d:false}, {selector:'.swap', name:'swapleft', is3d:true}, {selector:'#jqt > * > ul li a', name:'slideleft', is3d:false} ] }; function _debug(message) { var now = (new Date).getTime(); var delta = now - lastTime; lastTime = now; if (jQTSettings.debug) { if (message) { _log(delta + ': ' + message); } else { _log(delta + ': ' + 'Called ' + arguments.callee.caller.name); } } } function _log(message) { if (window.console !== undefined) { console.log(message); } } function addAnimation(animation) { // _debug(); if (typeof(animation.selector) === 'string' && typeof(animation.name) === 'string') { animations.push(animation); } } function addPageToHistory(page, animation) { _debug(); hist.unshift({ page: page, animation: animation, hash: '#' + page.attr('id'), id: page.attr('id') }); } function clickHandler(e) { _debug(); if (!tapReady) { _debug('ClickHandler handler aborted because tap is not ready'); e.preventDefault(); return false; } // Figure out whether to prevent default var $el = $(e.target); // Find the nearest tappable ancestor if (!$el.is(touchSelectors.join(', '))) { $el = $(e.target).closest(touchSelectors.join(', ')); } // Prevent default if we found an internal link (relative or absolute) if ($el && $el.attr('href') && !$el.isExternalLink()) { _debug('Need to prevent default click behavior'); e.preventDefault(); } else { _debug('No need to prevent default click behavior'); } // Trigger a tap event if touchstart is not on the job if ($.support.touch) { _debug('Not converting click to a tap event because touch handler is on the job'); } else { _debug('Converting click event to a tap event because touch handlers are not present or off'); $(e.target).trigger('tap', e); } } function doNavigation(fromPage, toPage, animation, goingBack) { _debug(); // Error check for target page if (toPage.length === 0) { $.fn.unselect(); _debug('Target element is missing.'); return false; } // Error check for fromPage===toPage if (toPage.hasClass('current')) { $.fn.unselect(); _debug('You are already on the page you are trying to navigate to.'); return false; } // Collapse the keyboard $(':focus').blur(); // Position the incoming page so toolbar is at top of viewport regardless of scroll position on from page // toPage.css('top', window.pageYOffset); fromPage.trigger('pageAnimationStart', { direction: 'out' }); toPage.trigger('pageAnimationStart', { direction: 'in' }); if ($.support.animationEvents && animation && jQTSettings.useAnimations) { tapReady = false; // Fail over to 2d animation if need be if (!$.support.transform3d && animation.is3d) { animation.name = jQTSettings.fallback2dAnimation; } // Reverse animation if need be var finalAnimationName; if (goingBack) { if (animation.name.indexOf('left') > 0) { finalAnimationName = animation.name.replace(/left/, 'right'); } else if (animation.name.indexOf('right') > 0) { finalAnimationName = animation.name.replace(/right/, 'left'); } else if (animation.name.indexOf('up') > 0) { finalAnimationName = animation.name.replace(/up/, 'down'); } else if (animation.name.indexOf('down') > 0) { finalAnimationName = animation.name.replace(/down/, 'up'); } else { finalAnimationName = animation.name; } } else { finalAnimationName = animation.name; } // _debug('finalAnimationName is ' + finalAnimationName); // Bind internal "cleanup" callback fromPage.bind('webkitAnimationEnd', navigationEndHandler); fromPage.bind('webkitTransitionEnd', navigationEndHandler); // Trigger animations scrollTo(0, 0); toPage.addClass(finalAnimationName + ' in current'); fromPage.addClass(finalAnimationName + ' out'); } else { toPage.addClass('current'); navigationEndHandler(); } // Define private navigationEnd callback function navigationEndHandler(event) { _debug(); if ($.support.animationEvents && animation && jQTSettings.useAnimations) { fromPage.unbind('webkitAnimationEnd', navigationEndHandler); fromPage.unbind('webkitTransitionEnd', navigationEndHandler); fromPage.removeClass(finalAnimationName + ' out current'); toPage.removeClass(finalAnimationName + ' in'); // scrollTo(0, 0); // toPage.css('top', 0); } else { fromPage.removeClass(finalAnimationName + ' out current'); } // Housekeeping currentPage = toPage; if (goingBack) { hist.shift(); } else { addPageToHistory(currentPage, animation); } fromPage.unselect(); lastAnimationTime = (new Date()).getTime(); setHash(currentPage.attr('id')); tapReady = true; // Trigger custom events toPage.trigger('pageAnimationEnd', {direction:'in', animation:animation}); fromPage.trigger('pageAnimationEnd', {direction:'out', animation:animation}); } // We's out return true; } function getOrientation() { _debug(); return orientation; } function goBack() { _debug(); // Error checking if (hist.length < 1 ) { _debug('History is empty.'); } if (hist.length === 1 ) { _debug('You are on the first panel.'); } var from = hist[0], to = hist[1]; if (doNavigation(from.page, to.page, from.animation, true)) { return publicObj; } else { _debug('Could not go back.'); return false; } } function goTo(toPage, animation, reverse) { _debug(); if (reverse) { _log('The reverse parameter of the goTo() function has been deprecated.'); } var fromPage = hist[0].page; if (typeof animation === 'string') { for (var i=0, max=animations.length; i < max; i++) { if (animations[i].name === animation) { animation = animations[i]; break; } } } if (typeof(toPage) === 'string') { var nextPage = $(toPage); if (nextPage.length < 1) { showPageByHref(toPage, { 'animation': animation }); return; } else { toPage = nextPage; } } if (doNavigation(fromPage, toPage, animation)) { return publicObj; } else { _debug('Could not animate pages.'); return false; } } function hashChangeHandler(e) { _debug(); if (location.hash === hist[0].hash) { _debug('We are on the right panel'); } else { _debug('We are not on the right panel'); if(location.hash === hist[1].hash) { goBack(); } else { _debug(location.hash + ' !== ' + hist[1].hash); } } } function init(options) { _debug(); jQTSettings = $.extend({}, defaults, options); // Preload images if (jQTSettings.preloadImages) { for (var i = jQTSettings.preloadImages.length - 1; i >= 0; i--) { (new Image()).src = jQTSettings.preloadImages[i]; }; } // Set appropriate icon (retina display available in iOS 4.2 and later.) var precomposed = (jQTSettings.addGlossToIcon) ? '' : '-precomposed'; if (jQTSettings.icon) { hairExtensions += '<link rel="apple-touch-icon' + precomposed + '" href="' + jQTSettings.icon + '" />'; } if (jQTSettings.iconPad) { hairExtensions += '<link rel="apple-touch-icon' + precomposed + '" sizes="72x72" href="' + jQTSettings.iconPad + '" />'; } if (jQTSettings.icon4) { hairExtensions += '<link rel="apple-touch-icon' + precomposed + '" sizes="114x114" href="' + jQTSettings.icon4 + '" />'; } // Set startup screen if (jQTSettings.startupScreen) { hairExtensions += '<link rel="apple-touch-startup-image" href="' + jQTSettings.startupScreen + '" />'; } // Set viewport if (jQTSettings.fixedViewport) { hairExtensions += '<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0;"/>'; } // Set full-screen if (jQTSettings.fullScreen) { hairExtensions += '<meta name="apple-mobile-web-app-capable" content="yes" />'; if (jQTSettings.statusBar) { hairExtensions += '<meta name="apple-mobile-web-app-status-bar-style" content="' + jQTSettings.statusBar + '" />'; } } // Attach hair extensions if (hairExtensions) { $head.prepend(hairExtensions); } } function insertPages(nodes, animation) { _debug(); var targetPage = null; $(nodes).each(function(index, node) { var $node = $(this); if (!$node.attr('id')) { $node.attr('id', 'page-' + (++newPageCount)); } // Remove any existing instance $('#' + $node.attr('id')).remove(); $body.trigger('pageInserted', {page: $node.appendTo($body)}); if ($node.hasClass('current') || !targetPage) { targetPage = $node; } }); if (targetPage !== null) { goTo(targetPage, animation); return targetPage; } else { return false; } } function mousedownHandler(e) { var timeDiff = (new Date()).getTime() - lastAnimationTime; if (timeDiff < tapBuffer) { return false; } } function orientationChangeHandler() { _debug(); orientation = Math.abs(window.orientation) == 90 ? 'landscape' : 'portrait'; $body.removeClass('portrait landscape').addClass(orientation).trigger('turn', {orientation: orientation}); } function setHash(hash) { _debug(); // Trim leading # if need be hash = hash.replace(/^#/, ''), // Change hash location.hash = '#' + hash; } function showPageByHref(href, options) { _debug(); var defaults = { data: null, method: 'GET', animation: null, callback: null, $referrer: null }; var settings = $.extend({}, defaults, options); if (href != '#') { $.ajax({ url: href, data: settings.data, type: settings.method, success: function (data, textStatus) { var firstPage = insertPages(data, settings.animation); if (firstPage) { if (settings.method == 'GET' && jQTSettings.cacheGetRequests === true && settings.$referrer) { settings.$referrer.attr('href', '#' + firstPage.attr('id')); } if (settings.callback) { settings.callback(true); } } }, error: function (data) { if (settings.$referrer) { settings.$referrer.unselect(); } if (settings.callback) { settings.callback(false); } } }); } else if (settings.$referrer) { settings.$referrer.unselect(); } } function submitHandler(e, callback) { _debug(); $(':focus').blur(); e.preventDefault(); var $form = (typeof(e)==='string') ? $(e).eq(0) : (e.target ? $(e.target) : $(e)); _debug($form.attr('action')); if ($form.length && $form.is(jQTSettings.formSelector) && $form.attr('action')) { showPageByHref($form.attr('action'), { data: $form.serialize(), method: $form.attr('method') || "POST", animation: animations[0] || null, callback: callback }); return false; } return false; } function submitParentForm($el) { _debug(); var $form = $el.closest('form'); if ($form.length === 0) { _debug('No parent form found'); } else { _debug('About to submit parent form'); var evt = $.Event('submit'); evt.preventDefault(); $form.trigger(evt); return false; } return true; } function supportForAnimationEvents() { _debug(); return (typeof WebKitAnimationEvent != 'undefined'); } function supportForCssMatrix() { _debug(); return (typeof WebKitCSSMatrix != 'undefined'); } function supportForTouchEvents() { _debug(); /* // If dev wants fast touch off, shut off touch whether device supports it or not if (!jQTSettings.useFastTouch) { return false } */ // Dev must want touch, so check for support if (typeof TouchEvent != 'undefined') { if (window.navigator.userAgent.indexOf('Mobile') > -1) { // Grrrr... return true; } else { return false; } } else { return false; } }; function supportForTransform3d() { _debug(); var head, body, style, div, result; head = document.getElementsByTagName('head')[0]; body = document.body; style = document.createElement('style'); style.textContent = '@media (transform-3d),(-o-transform-3d),(-moz-transform-3d),(-ms-transform-3d),(-webkit-transform-3d),(modernizr){#jqtTestFor3dSupport{height:3px}}'; div = document.createElement('div'); div.id = 'jqtTestFor3dSupport'; // Add to the page head.appendChild(style); body.appendChild(div); // Check the result result = div.offsetHeight === 3; // Clean up style.parentNode.removeChild(style); div.parentNode.removeChild(div); // Pass back result // _debug('Support for 3d transforms: ' + result); return result; }; function tapHandler(e){ _debug(); if (!tapReady) { _debug('Tap is not ready'); return false; } // Grab the target element var $el = $(e.target); // Find the nearest tappable ancestor if (!$el.is(touchSelectors.join(', '))) { var $el = $(e.target).closest(touchSelectors.join(', ')); } // Make sure we have a tappable element if (!$el.length || !$el.attr('href')) { _debug('Could not find a link related to tapped element'); return false; } // Init some vars var target = $el.attr('target'), hash = $el.attr('hash') || ($el.prop && $el.prop('hash')), //jQuery attr vs. prop animation = null; if ($el.isExternalLink()) { $el.unselect(); return true; } else if ($el.is(jQTSettings.backSelector)) { // User clicked or tapped a back button goBack(hash); } else if ($el.is(jQTSettings.submitSelector)) { // User clicked or tapped a submit element submitParentForm($el); } else if (target === '_webapp') { // User clicked or tapped an internal link, fullscreen mode window.location = $el.attr('href'); return false; } else if ($el.attr('href') === '#') { // Allow tap on item with no href $el.unselect(); return true; } else { // Figure out the animation to use for (var i=0, max=animations.length; i < max; i++) { if ($el.is(animations[i].selector)) { animation = animations[i]; break; } }; if (!animation) { _log('Animation could not be found. Using slideleft.'); animation = 'slideleft'; } if (hash && hash !== '#') { // Internal href $el.addClass('active'); goTo($(hash).data('referrer', $el), animation, $el.hasClass('reverse')); return false; } else { // External href $el.addClass('loading active'); showPageByHref($el.attr('href'), { animation: animation, callback: function() { $el.removeClass('loading'); setTimeout($.fn.unselect, 250, $el); }, $referrer: $el }); return false; } } } function touchStartHandler(e) { _debug(); if (!tapReady) { _debug('TouchStart handler aborted because tap is not ready'); e.preventDefault(); return false; } var $el = $(e.target); // Error check if (!$el.length) { _debug('Could not find target of touchstart event.'); return; } var startTime = (new Date).getTime(), hoverTimeout = null, pressTimeout = null, touch, startX, startY, deltaX = 0, deltaY = 0, deltaT = 0; if (event.changedTouches && event.changedTouches.length) { touch = event.changedTouches[0]; startX = touch.pageX; startY = touch.pageY; } // Prep the element $el.bind('touchmove',touchMoveHandler).bind('touchend',touchEndHandler).bind('touchcancel',touchCancelHandler); hoverTimeout = setTimeout(function() { $el.makeActive(); }, jQTSettings.hoverDelay); pressTimeout = setTimeout(function() { $el.unbind('touchmove',touchMoveHandler).unbind('touchend',touchEndHandler).unbind('touchcancel',touchCancelHandler); $el.unselect(); clearTimeout(hoverTimeout); $el.trigger('press'); }, jQTSettings.pressDelay); // Private touch functions function touchCancelHandler(e) { _debug(); clearTimeout(hoverTimeout); $el.unselect(); $el.unbind('touchmove',touchMoveHandler).unbind('touchend',touchEndHandler).unbind('touchcancel',touchCancelHandler); } function touchEndHandler(e) { _debug(); // updateChanges(); $el.unbind('touchend',touchEndHandler).unbind('touchcancel',touchCancelHandler); clearTimeout(hoverTimeout); clearTimeout(pressTimeout); if (Math.abs(deltaX) < jQTSettings.moveThreshold && Math.abs(deltaY) < jQTSettings.moveThreshold && deltaT < jQTSettings.pressDelay) { // e.preventDefault(); // e.stopImmediatePropagation(); $el.trigger('tap', e); } else { $el.unselect(); } } function touchMoveHandler(e) { // _debug(); updateChanges(); var absX = Math.abs(deltaX); var absY = Math.abs(deltaY); var direction; if (absX > absY && (absX > 35) && deltaT < 1000) { if (deltaX < 0) { direction = 'left'; } else { direction = 'right'; } $el.unbind('touchmove',touchMoveHandler).unbind('touchend',touchEndHandler).unbind('touchcancel',touchCancelHandler); $el.trigger('swipe', {direction:direction, deltaX:deltaX, deltaY: deltaY}); } $el.unselect(); clearTimeout(hoverTimeout); if (absX > jQTSettings.moveThreshold || absY > jQTSettings.moveThreshold) { clearTimeout(pressTimeout); } } function updateChanges() { // _debug(); var firstFinger = event.changedTouches[0] || null; deltaX = firstFinger.pageX - startX; deltaY = firstFinger.pageY - startY; deltaT = (new Date).getTime() - startTime; // _debug('deltaX:'+deltaX+';deltaY:'+deltaY+';'); } } // End touch handler function useFastTouch(setting) { _debug(); if (setting !== undefined) { if (setting === true) { if (supportForTouchEvents()) { $.support.touch = true; } else{ _log('This device does not support touch events'); }; } else { $.support.touch = false; } } return $.support.touch; } // Get the party started init(options); // Document ready stuff $(document).ready(function() { // Store some properties in the jQuery support object $.support.animationEvents = supportForAnimationEvents(); $.support.cssMatrix = supportForCssMatrix(); $.support.touch = supportForTouchEvents() && jQTSettings.useFastTouch; $.support.transform3d = supportForTransform3d(); if (!$.support.touch) { _log('This device does not support touch interaction, or it has been deactivated by the developer. Some features might be unavailable.'); } if (!$.support.transform3d) { _log('This device does not support 3d animation. 2d animations will be used instead.'); } // Define public jQuery functions $.fn.isExternalLink = function() { var $el = $(this); return ($el.attr('target') == '_blank' || $el.attr('rel') == 'external' || $el.is('a[href^="http://maps.google.com"], a[href^="mailto:"], a[href^="tel:"], a[href^="javascript:"], a[href*="youtube.com/v"], a[href*="youtube.com/watch"]')); } $.fn.makeActive = function() { return $(this).addClass('active'); } $.fn.press = function(fn) { if ($.isFunction(fn)) { return $(this).live('press', fn); } else { return $(this).trigger('press'); } } $.fn.swipe = function(fn) { if ($.isFunction(fn)) { return $(this).live('swipe', fn); } else { return $(this).trigger('swipe'); } } $.fn.tap = function(fn) { if ($.isFunction(fn)) { return $(this).live('tap', fn); } else { return $(this).trigger('tap'); } } $.fn.unselect = function(obj) { if (obj) { obj.removeClass('active'); } else { $('.active').removeClass('active'); } } // Add extensions for (var i=0, max=extensions.length; i < max; i++) { var fn = extensions[i]; if ($.isFunction(fn)) { $.extend(publicObj, fn(publicObj)); } } // Set up animations array if (jQTSettings['cubeSelector']) { _log('NOTE: cubeSelector has been deprecated. Please use cubeleftSelector instead.'); jQTSettings['cubeleftSelector'] = jQTSettings['cubeSelector']; } if (jQTSettings['flipSelector']) { _log('NOTE: flipSelector has been deprecated. Please use flipleftSelector instead.'); jQTSettings['flipleftSelector'] = jQTSettings['flipSelector']; } if (jQTSettings['slideSelector']) { _log('NOTE: slideSelector has been deprecated. Please use slideleftSelector instead.'); jQTSettings['slideleftSelector'] = jQTSettings['slideSelector']; } for (var i=0, max=defaults.animations.length; i < max; i++) { var animation = defaults.animations[i]; if(jQTSettings[animation.name + 'Selector'] !== undefined){ animation.selector = jQTSettings[animation.name + 'Selector']; } addAnimation(animation); } // Create an array of stuff that needs touch event handling touchSelectors.push('input'); // TODO: Ask DK why inputs are considered touch selectors touchSelectors.push(jQTSettings.touchSelector); touchSelectors.push(jQTSettings.backSelector); touchSelectors.push(jQTSettings.submitSelector); $(touchSelectors.join(', ')).css('-webkit-touch-callout', 'none'); // Make sure we have a jqt element $body = $('#jqt'); if ($body.length === 0) { _log('Could not find an element with the id "jqt", so the body id has been set to "jqt". If you are having any problems, wrapping your panels in a div with the id "jqt" might help.'); $body = $('body').attr('id', 'jqt'); } // Add some specific css if need be if ($.support.transform3d) { $body.addClass('supports3d'); } if (jQTSettings.fullScreenClass && window.navigator.standalone == true) { $body.addClass(jQTSettings.fullScreenClass + ' ' + jQTSettings.statusBar); } if (window.navigator.userAgent.match(/Android/ig)) { // Grr... added to postion checkbox labels. Lame. I know. - js $body.addClass('android'); } // Bind events $(window).bind('hashchange', hashChangeHandler); $body.bind('touchstart', touchStartHandler) .bind('click', clickHandler) .bind('mousedown', mousedownHandler) .bind('orientationchange', orientationChangeHandler) .bind('submit', submitHandler) .bind('tap', tapHandler) .trigger('orientationchange'); // Determine what the "current" (initial) panel should be if ($('#jqt > .current').length == 0) { currentPage = $('#jqt > *:first'); } else { currentPage = $('#jqt > .current:first'); $('#jqt > .current').removeClass('current'); } // Go to the top of the "current" page $(currentPage).addClass('current'); initialPageId = $(currentPage).attr('id'); setHash(initialPageId); addPageToHistory(currentPage); scrollTo(0, 0); // Make sure none of the panels yank the location bar into view $('#jqt > *').css('minHeight', window.innerHeight); }); // Expose public methods and properties publicObj = { addAnimation: addAnimation, animations: animations, getOrientation: getOrientation, goBack: goBack, goTo: goTo, hist: hist, settings: jQTSettings, submitForm: submitHandler, support: $.support, useFastTouch: useFastTouch } return publicObj; } // Extensions directly manipulate the jQTouch object, before it's initialized. $.jQTouch.prototype.extensions = []; $.jQTouch.addExtension = function(extension) { $.jQTouch.prototype.extensions.push(extension); } })(jQuery);