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author | Jayaram Pai | 2013-11-19 17:51:06 +0530 |
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committer | Jayaram Pai | 2013-11-19 17:51:06 +0530 |
commit | 9c50efc99b64350c66c92321b7f9d565e4da611c (patch) | |
tree | a92522f904b41ac9fba070a5c71cc9ee3b85286b /website/static/js/foundation3/jquery.foundation.orbit.js | |
parent | 36228d2bc0d1301775ded964a3fa67f2e844a126 (diff) | |
download | SciPy2013-9c50efc99b64350c66c92321b7f9d565e4da611c.tar.gz SciPy2013-9c50efc99b64350c66c92321b7f9d565e4da611c.tar.bz2 SciPy2013-9c50efc99b64350c66c92321b7f9d565e4da611c.zip |
testing ie8 index
Diffstat (limited to 'website/static/js/foundation3/jquery.foundation.orbit.js')
-rw-r--r-- | website/static/js/foundation3/jquery.foundation.orbit.js | 919 |
1 files changed, 919 insertions, 0 deletions
diff --git a/website/static/js/foundation3/jquery.foundation.orbit.js b/website/static/js/foundation3/jquery.foundation.orbit.js new file mode 100644 index 0000000..f9e8b44 --- /dev/null +++ b/website/static/js/foundation3/jquery.foundation.orbit.js @@ -0,0 +1,919 @@ +/* + * jQuery Orbit Plugin 1.4.0 + * www.ZURB.com/playground + * Copyright 2010, ZURB + * Free to use under the MIT license. + * http://www.opensource.org/licenses/mit-license.php +*/ + + +(function ($) { + 'use strict'; + + $.fn.findFirstImage = function () { + return this.first() + .find('img') + .andSelf().filter('img') + .first(); + }; + + var ORBIT = { + + defaults: { + animation: 'horizontal-push', // fade, horizontal-slide, vertical-slide, horizontal-push, vertical-push + animationSpeed: 600, // how fast animations are + timer: true, // display timer? + advanceSpeed: 4000, // if timer is enabled, time between transitions + pauseOnHover: false, // if you hover pauses the slider + startClockOnMouseOut: false, // if clock should start on MouseOut + startClockOnMouseOutAfter: 1000, // how long after MouseOut should the timer start again + directionalNav: true, // manual advancing directional navs + directionalNavRightText: 'Right', // text of right directional element for accessibility + directionalNavLeftText: 'Left', // text of left directional element for accessibility + captions: true, // do you want captions? + captionAnimation: 'fade', // fade, slideOpen, none + captionAnimationSpeed: 600, // if so how quickly should they animate in + resetTimerOnClick: false, // true resets the timer instead of pausing slideshow progress on manual navigation + bullets: false, // true or false to activate the bullet navigation + bulletThumbs: false, // thumbnails for the bullets + bulletThumbLocation: '', // relative path to thumbnails from this file + bulletThumbsHideOnSmall: true, // hide thumbs on small devices + afterSlideChange: $.noop, // callback to execute after slide changes + afterLoadComplete: $.noop, // callback to execute after everything has been loaded + fluid: true, + centerBullets: true, // center bullet nav with js, turn this off if you want to position the bullet nav manually + singleCycle: false, // cycles through orbit slides only once + slideNumber: false, // display slide numbers? + stackOnSmall: false // stack slides on small devices (i.e. phones) + }, + + activeSlide: 0, + numberSlides: 0, + orbitWidth: null, + orbitHeight: null, + locked: null, + timerRunning: null, + degrees: 0, + wrapperHTML: '<div class="orbit-wrapper" />', + timerHTML: '<div class="timer"><span class="mask"><span class="rotator"></span></span><span class="pause"></span></div>', + captionHTML: '<div class="orbit-caption"></div>', + directionalNavHTML: '<div class="slider-nav hide-for-small"><span class="right"></span><span class="left"></span></div>', + bulletHTML: '<ul class="orbit-bullets"></ul>', + slideNumberHTML: '<span class="orbit-slide-counter"></span>', + + init: function (element, options) { + var $imageSlides, + imagesLoadedCount = 0, + self = this; + + // Bind functions to correct context + this.clickTimer = $.proxy(this.clickTimer, this); + this.addBullet = $.proxy(this.addBullet, this); + this.resetAndUnlock = $.proxy(this.resetAndUnlock, this); + this.stopClock = $.proxy(this.stopClock, this); + this.startTimerAfterMouseLeave = $.proxy(this.startTimerAfterMouseLeave, this); + this.clearClockMouseLeaveTimer = $.proxy(this.clearClockMouseLeaveTimer, this); + this.rotateTimer = $.proxy(this.rotateTimer, this); + + this.options = $.extend({}, this.defaults, options); + if (this.options.timer === 'false') this.options.timer = false; + if (this.options.captions === 'false') this.options.captions = false; + if (this.options.directionalNav === 'false') this.options.directionalNav = false; + + this.$element = $(element); + this.$wrapper = this.$element.wrap(this.wrapperHTML).parent(); + this.$slides = this.$element.children('img, a, div, figure, li'); + + this.$element.on('movestart', function(e) { + // If the movestart is heading off in an upwards or downwards + // direction, prevent it so that the browser scrolls normally. + if ((e.distX > e.distY && e.distX < -e.distY) || + (e.distX < e.distY && e.distX > -e.distY)) { + e.preventDefault(); + } + }); + + this.$element.bind('orbit.next', function () { + self.shift('next'); + }); + + this.$element.bind('orbit.prev', function () { + self.shift('prev'); + }); + + this.$element.bind('swipeleft', function () { + $(this).trigger('orbit.next'); + }); + + this.$element.bind('swiperight', function () { + $(this).trigger('orbit.prev'); + }); + + this.$element.bind('orbit.goto', function (event, index) { + self.shift(index); + }); + + this.$element.bind('orbit.start', function (event, index) { + self.startClock(); + }); + + this.$element.bind('orbit.stop', function (event, index) { + self.stopClock(); + }); + + $imageSlides = this.$slides.filter('img'); + + if ($imageSlides.length === 0) { + this.loaded(); + } else { + $imageSlides.bind('imageready', function () { + imagesLoadedCount += 1; + if (imagesLoadedCount === $imageSlides.length) { + self.loaded(); + } + }); + } + }, + + loaded: function () { + this.$element + .addClass('orbit') + .css({width: '1px', height: '1px'}); + + if (this.options.stackOnSmall) { + this.$element.addClass('orbit-stack-on-small'); + } + + this.$slides.addClass('orbit-slide').css({"opacity" : 0}); + + this.setDimentionsFromLargestSlide(); + this.updateOptionsIfOnlyOneSlide(); + this.setupFirstSlide(); + this.notifySlideChange(); + + if (this.options.timer) { + this.setupTimer(); + this.startClock(); + } + + if (this.options.captions) { + this.setupCaptions(); + } + + if (this.options.directionalNav) { + this.setupDirectionalNav(); + } + + if (this.options.bullets) { + this.setupBulletNav(); + this.setActiveBullet(); + } + + this.options.afterLoadComplete.call(this); + Holder.run(); + }, + + currentSlide: function () { + return this.$slides.eq(this.activeSlide); + }, + + notifySlideChange: function() { + if (this.options.slideNumber) { + var txt = (this.activeSlide+1) + ' of ' + this.$slides.length; + this.$element.trigger("orbit.change", {slideIndex: this.activeSlide, slideCount: this.$slides.length}); + if (this.$counter === undefined) { + var $counter = $(this.slideNumberHTML).html(txt); + this.$counter = $counter; + this.$wrapper.append(this.$counter); + } else { + this.$counter.html(txt); + } + } + }, + + setDimentionsFromLargestSlide: function () { + //Collect all slides and set slider size of largest image + var self = this, + $fluidPlaceholder; + + self.$element.add(self.$wrapper).width(this.$slides.first().outerWidth()); + self.$element.add(self.$wrapper).height(this.$slides.first().height()); + self.orbitWidth = this.$slides.first().outerWidth(); + self.orbitHeight = this.$slides.first().height(); + $fluidPlaceholder = this.$slides.first().findFirstImage().clone(); + + + this.$slides.each(function () { + var slide = $(this), + slideWidth = slide.outerWidth(), + slideHeight = slide.height(); + + if (slideWidth > self.$element.outerWidth()) { + self.$element.add(self.$wrapper).width(slideWidth); + self.orbitWidth = self.$element.outerWidth(); + } + if (slideHeight > self.$element.height()) { + self.$element.add(self.$wrapper).height(slideHeight); + self.orbitHeight = self.$element.height(); + $fluidPlaceholder = $(this).findFirstImage().clone(); + } + self.numberSlides += 1; + }); + + if (this.options.fluid) { + if (typeof this.options.fluid === "string") { + // $fluidPlaceholder = $("<img>").attr("src", "http://placehold.it/" + this.options.fluid); + $fluidPlaceholder = $("<img>").attr("data-src", "holder.js/" + this.options.fluid); + //var inner = $("<div/>").css({"display":"inline-block", "width":"2px", "height":"2px"}); + //$fluidPlaceholder = $("<div/>").css({"float":"left"}); + //$fluidPlaceholder.wrapInner(inner); + + //$fluidPlaceholder = $("<div/>").css({"height":"1px", "width":"2px"}); + //$fluidPlaceholder = $("<div style='display:inline-block;width:2px;height:1px;'></div>"); + } + + self.$element.prepend($fluidPlaceholder); + $fluidPlaceholder.addClass('fluid-placeholder'); + self.$element.add(self.$wrapper).css({width: 'inherit'}); + self.$element.add(self.$wrapper).css({height: 'inherit'}); + + $(window).bind('resize', function () { + self.orbitWidth = self.$element.outerWidth(); + self.orbitHeight = self.$element.height(); + }); + } + }, + + //Animation locking functions + lock: function () { + this.locked = true; + }, + + unlock: function () { + this.locked = false; + }, + + updateOptionsIfOnlyOneSlide: function () { + if(this.$slides.length === 1) { + this.options.directionalNav = false; + this.options.timer = false; + this.options.bullets = false; + } + }, + + setupFirstSlide: function () { + //Set initial front photo z-index and fades it in + var self = this; + this.$slides.first() + .css({"z-index" : 3, "opacity" : 1}) + .fadeIn(function() { + //brings in all other slides IF css declares a display: none + self.$slides.css({"display":"block"}) + }); + }, + + startClock: function () { + var self = this; + + if(!this.options.timer) { + return false; + } + + if (this.$timer.is(':hidden')) { + this.clock = setInterval(function () { + self.$element.trigger('orbit.next'); + }, this.options.advanceSpeed); + } else { + this.timerRunning = true; + this.$pause.removeClass('active'); + this.clock = setInterval(this.rotateTimer, this.options.advanceSpeed / 180, false); + } + }, + + rotateTimer: function (reset) { + var degreeCSS = "rotate(" + this.degrees + "deg)"; + this.degrees += 2; + this.$rotator.css({ + "-webkit-transform": degreeCSS, + "-moz-transform": degreeCSS, + "-o-transform": degreeCSS, + "-ms-transform": degreeCSS + }); + if (reset) { + this.degrees = 0; + this.$rotator.removeClass('move'); + this.$mask.removeClass('move'); + } + if(this.degrees > 180) { + this.$rotator.addClass('move'); + this.$mask.addClass('move'); + } + if(this.degrees > 360) { + this.$rotator.removeClass('move'); + this.$mask.removeClass('move'); + this.degrees = 0; + this.$element.trigger('orbit.next'); + } + }, + + stopClock: function () { + if (!this.options.timer) { + return false; + } else { + this.timerRunning = false; + clearInterval(this.clock); + this.$pause.addClass('active'); + } + }, + + setupTimer: function () { + this.$timer = $(this.timerHTML); + this.$wrapper.append(this.$timer); + + this.$rotator = this.$timer.find('.rotator'); + this.$mask = this.$timer.find('.mask'); + this.$pause = this.$timer.find('.pause'); + + this.$timer.click(this.clickTimer); + + if (this.options.startClockOnMouseOut) { + this.$wrapper.mouseleave(this.startTimerAfterMouseLeave); + this.$wrapper.mouseenter(this.clearClockMouseLeaveTimer); + } + + if (this.options.pauseOnHover) { + this.$wrapper.mouseenter(this.stopClock); + } + }, + + startTimerAfterMouseLeave: function () { + var self = this; + + this.outTimer = setTimeout(function() { + if(!self.timerRunning){ + self.startClock(); + } + }, this.options.startClockOnMouseOutAfter) + }, + + clearClockMouseLeaveTimer: function () { + clearTimeout(this.outTimer); + }, + + clickTimer: function () { + if(!this.timerRunning) { + this.startClock(); + } else { + this.stopClock(); + } + }, + + setupCaptions: function () { + this.$caption = $(this.captionHTML); + this.$wrapper.append(this.$caption); + this.setCaption(); + }, + + setCaption: function () { + var captionLocation = this.currentSlide().attr('data-caption'), + captionHTML; + + if (!this.options.captions) { + return false; + } + + //Set HTML for the caption if it exists + if (captionLocation) { + //if caption text is blank, don't show captions + if ($.trim($(captionLocation).text()).length < 1){ + return false; + } + + // if location selector starts with '#', remove it so we don't see id="#selector" + if (captionLocation.charAt(0) == '#') { + captionLocation = captionLocation.substring(1, captionLocation.length); + } + captionHTML = $('#' + captionLocation).html(); //get HTML from the matching HTML entity + this.$caption + .attr('id', captionLocation) // Add ID caption TODO why is the id being set? + .html(captionHTML); // Change HTML in Caption + //Animations for Caption entrances + switch (this.options.captionAnimation) { + case 'none': + this.$caption.show(); + break; + case 'fade': + this.$caption.fadeIn(this.options.captionAnimationSpeed); + break; + case 'slideOpen': + this.$caption.slideDown(this.options.captionAnimationSpeed); + break; + } + } else { + //Animations for Caption exits + switch (this.options.captionAnimation) { + case 'none': + this.$caption.hide(); + break; + case 'fade': + this.$caption.fadeOut(this.options.captionAnimationSpeed); + break; + case 'slideOpen': + this.$caption.slideUp(this.options.captionAnimationSpeed); + break; + } + } + }, + + setupDirectionalNav: function () { + var self = this, + $directionalNav = $(this.directionalNavHTML); + + $directionalNav.find('.right').html(this.options.directionalNavRightText); + $directionalNav.find('.left').html(this.options.directionalNavLeftText); + + this.$wrapper.append($directionalNav); + + this.$wrapper.find('.left').click(function () { + self.stopClock(); + if (self.options.resetTimerOnClick) { + self.rotateTimer(true); + self.startClock(); + } + self.$element.trigger('orbit.prev'); + }); + + this.$wrapper.find('.right').click(function () { + self.stopClock(); + if (self.options.resetTimerOnClick) { + self.rotateTimer(true); + self.startClock(); + } + self.$element.trigger('orbit.next'); + }); + }, + + setupBulletNav: function () { + this.$bullets = $(this.bulletHTML); + this.$wrapper.append(this.$bullets); + this.$slides.each(this.addBullet); + this.$element.addClass('with-bullets'); + if (this.options.centerBullets) this.$bullets.css('margin-left', -this.$bullets.outerWidth() / 2); + if (this.options.bulletThumbsHideOnSmall) this.$bullets.addClass('hide-for-small'); + }, + + addBullet: function (index, slide) { + var position = index + 1, + $li = $('<li>' + (position) + '</li>'), + thumbName, + self = this; + + if (this.options.bulletThumbs) { + thumbName = $(slide).attr('data-thumb'); + if (thumbName) { + $li + .addClass('has-thumb') + .css({background: "url(" + this.options.bulletThumbLocation + thumbName + ") no-repeat"});; + } + } + this.$bullets.append($li); + $li.data('index', index); + $li.click(function () { + self.stopClock(); + if (self.options.resetTimerOnClick) { + self.rotateTimer(true); + self.startClock(); + } + self.$element.trigger('orbit.goto', [$li.data('index')]) + }); + }, + + setActiveBullet: function () { + if(!this.options.bullets) { return false; } else { + this.$bullets.find('li') + .removeClass('active') + .eq(this.activeSlide) + .addClass('active'); + } + }, + + resetAndUnlock: function () { + this.$slides + .eq(this.prevActiveSlide) + .css({"z-index" : 1}); + this.unlock(); + this.options.afterSlideChange.call(this, this.$slides.eq(this.prevActiveSlide), this.$slides.eq(this.activeSlide)); + }, + + shift: function (direction) { + var slideDirection = direction; + + //remember previous activeSlide + this.prevActiveSlide = this.activeSlide; + + //exit function if bullet clicked is same as the current image + if (this.prevActiveSlide == slideDirection) { return false; } + + if (this.$slides.length == "1") { return false; } + if (!this.locked) { + this.lock(); + //deduce the proper activeImage + if (direction == "next") { + this.activeSlide++; + if (this.activeSlide == this.numberSlides) { + this.activeSlide = 0; + } + } else if (direction == "prev") { + this.activeSlide-- + if (this.activeSlide < 0) { + this.activeSlide = this.numberSlides - 1; + } + } else { + this.activeSlide = direction; + if (this.prevActiveSlide < this.activeSlide) { + slideDirection = "next"; + } else if (this.prevActiveSlide > this.activeSlide) { + slideDirection = "prev" + } + } + + //set to correct bullet + this.setActiveBullet(); + this.notifySlideChange(); + + //set previous slide z-index to one below what new activeSlide will be + this.$slides + .eq(this.prevActiveSlide) + .css({"z-index" : 2}); + + //fade + if (this.options.animation == "fade") { + this.$slides + .eq(this.activeSlide) + .css({"opacity" : 0, "z-index" : 3}) + .animate({"opacity" : 1}, this.options.animationSpeed, this.resetAndUnlock); + this.$slides + .eq(this.prevActiveSlide) + .animate({"opacity":0}, this.options.animationSpeed); + } + + //horizontal-slide + if (this.options.animation == "horizontal-slide") { + if (slideDirection == "next") { + this.$slides + .eq(this.activeSlide) + .css({"left": this.orbitWidth, "z-index" : 3}) + .css("opacity", 1) + .animate({"left" : 0}, this.options.animationSpeed, this.resetAndUnlock); + } + if (slideDirection == "prev") { + this.$slides + .eq(this.activeSlide) + .css({"left": -this.orbitWidth, "z-index" : 3}) + .css("opacity", 1) + .animate({"left" : 0}, this.options.animationSpeed, this.resetAndUnlock); + } + this.$slides + .eq(this.prevActiveSlide) + .css("opacity", 0); + } + + //vertical-slide + if (this.options.animation == "vertical-slide") { + if (slideDirection == "prev") { + this.$slides + .eq(this.activeSlide) + .css({"top": this.orbitHeight, "z-index" : 3}) + .css("opacity", 1) + .animate({"top" : 0}, this.options.animationSpeed, this.resetAndUnlock); + this.$slides + .eq(this.prevActiveSlide) + .css("opacity", 0); + } + if (slideDirection == "next") { + this.$slides + .eq(this.activeSlide) + .css({"top": -this.orbitHeight, "z-index" : 3}) + .css("opacity", 1) + .animate({"top" : 0}, this.options.animationSpeed, this.resetAndUnlock); + } + this.$slides + .eq(this.prevActiveSlide) + .css("opacity", 0); + } + + //horizontal-push + if (this.options.animation == "horizontal-push") { + if (slideDirection == "next") { + this.$slides + .eq(this.activeSlide) + .css({"left": this.orbitWidth, "z-index" : 3}) + .animate({"left" : 0, "opacity" : 1}, this.options.animationSpeed, this.resetAndUnlock); + this.$slides + .eq(this.prevActiveSlide) + .animate({"left" : -this.orbitWidth}, this.options.animationSpeed, "", function(){ + $(this).css({"opacity" : 0}); + }); + } + if (slideDirection == "prev") { + this.$slides + .eq(this.activeSlide) + .css({"left": -this.orbitWidth, "z-index" : 3}) + .animate({"left" : 0, "opacity" : 1}, this.options.animationSpeed, this.resetAndUnlock); + this.$slides + .eq(this.prevActiveSlide) + .animate({"left" : this.orbitWidth}, this.options.animationSpeed, "", function(){ + $(this).css({"opacity" : 0}); + }); + } + } + + //vertical-push + if (this.options.animation == "vertical-push") { + if (slideDirection == "next") { + this.$slides + .eq(this.activeSlide) + .css({top: -this.orbitHeight, "z-index" : 3}) + .css("opacity", 1) + .animate({top : 0, "opacity":1}, this.options.animationSpeed, this.resetAndUnlock); + this.$slides + .eq(this.prevActiveSlide) + .css("opacity", 0) + .animate({top : this.orbitHeight}, this.options.animationSpeed, ""); + } + if (slideDirection == "prev") { + this.$slides + .eq(this.activeSlide) + .css({top: this.orbitHeight, "z-index" : 3}) + .css("opacity", 1) + .animate({top : 0}, this.options.animationSpeed, this.resetAndUnlock); + this.$slides + .eq(this.prevActiveSlide) + .css("opacity", 0) + .animate({top : -this.orbitHeight}, this.options.animationSpeed); + } + } + + this.setCaption(); + } + + // if on last slide and singleCycle is true, don't loop through slides again + // .length is zero based so must minus 1 to match activeSlide index + if (this.activeSlide === this.$slides.length-1 && this.options.singleCycle) { + this.stopClock(); + } + } + }; + + $.fn.orbit = function (options) { + return this.each(function () { + var orbit = $.extend({}, ORBIT); + orbit.init(this, options); + }); + }; + +})(jQuery); + +/*! + * jQuery imageready Plugin + * http://www.zurb.com/playground/ + * + * Copyright 2011, ZURB + * Released under the MIT License + */ +(function ($) { + + var options = {}; + + $.event.special.imageready = { + + setup: function (data, namespaces, eventHandle) { + options = data || options; + }, + + add: function (handleObj) { + var $this = $(this), + src; + + if ( this.nodeType === 1 && this.tagName.toLowerCase() === 'img' && this.src !== '' ) { + if (options.forceLoad) { + src = $this.attr('src'); + $this.attr('src', ''); + bindToLoad(this, handleObj.handler); + $this.attr('src', src); + } else if ( this.complete || this.readyState === 4 ) { + handleObj.handler.apply(this, arguments); + } else { + bindToLoad(this, handleObj.handler); + } + } + }, + + teardown: function (namespaces) { + $(this).unbind('.imageready'); + } + }; + + function bindToLoad(element, callback) { + var $this = $(element); + + $this.bind('load.imageready', function () { + callback.apply(element, arguments); + $this.unbind('load.imageready'); + }); + } + +}(jQuery)); + +/* + +Holder - 1.3 - client side image placeholders +(c) 2012 Ivan Malopinsky / http://imsky.co + +Provided under the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0 +Commercial use requires attribution. + +*/ + +var Holder = Holder || {}; +(function (app, win) { + +var preempted = false, +fallback = false, +canvas = document.createElement('canvas'); + +//http://javascript.nwbox.com/ContentLoaded by Diego Perini with modifications +function contentLoaded(n,t){var l="complete",s="readystatechange",u=!1,h=u,c=!0,i=n.document,a=i.documentElement,e=i.addEventListener?"addEventListener":"attachEvent",v=i.addEventListener?"removeEventListener":"detachEvent",f=i.addEventListener?"":"on",r=function(e){(e.type!=s||i.readyState==l)&&((e.type=="load"?n:i)[v](f+e.type,r,u),!h&&(h=!0)&&t.call(n,null))},o=function(){try{a.doScroll("left")}catch(n){setTimeout(o,50);return}r("poll")};if(i.readyState==l)t.call(n,"lazy");else{if(i.createEventObject&&a.doScroll){try{c=!n.frameElement}catch(y){}c&&o()}i[e](f+"DOMContentLoaded",r,u),i[e](f+s,r,u),n[e](f+"load",r,u)}}; + +//https://gist.github.com/991057 by Jed Schmidt with modifications +function selector(a){ + a=a.match(/^(\W)?(.*)/);var b=document["getElement"+(a[1]?a[1]=="#"?"ById":"sByClassName":"sByTagName")](a[2]); + var ret=[]; b!=null&&(b.length?ret=b:b.length==0?ret=b:ret=[b]); return ret; +} + +//shallow object property extend +function extend(a,b){var c={};for(var d in a)c[d]=a[d];for(var e in b)c[e]=b[e];return c} + +function draw(ctx, dimensions, template) { + var dimension_arr = [dimensions.height, dimensions.width].sort(); + var maxFactor = Math.round(dimension_arr[1] / 16), + minFactor = Math.round(dimension_arr[0] / 16); + var text_height = Math.max(template.size, maxFactor); + canvas.width = dimensions.width; + canvas.height = dimensions.height; + ctx.textAlign = "center"; + ctx.textBaseline = "middle"; + ctx.fillStyle = template.background; + ctx.fillRect(0, 0, dimensions.width, dimensions.height); + ctx.fillStyle = template.foreground; + ctx.font = "bold " + text_height + "px sans-serif"; + var text = template.text ? template.text : (dimensions.width + "x" + dimensions.height); + if (Math.round(ctx.measureText(text).width) / dimensions.width > 1) { + text_height = Math.max(minFactor, template.size); + } + ctx.font = "bold " + text_height + "px sans-serif"; + ctx.fillText(text, (dimensions.width / 2), (dimensions.height / 2), dimensions.width); + return canvas.toDataURL("image/png"); +} + +if (!canvas.getContext) { + fallback = true; +} else { + if (canvas.toDataURL("image/png").indexOf("data:image/png") < 0) { + //Android doesn't support data URI + fallback = true; + } else { + var ctx = canvas.getContext("2d"); + } +} + +var settings = { + domain: "holder.js", + images: "img", + themes: { + "gray": { + background: "#eee", + foreground: "#aaa", + size: 12 + }, + "social": { + background: "#3a5a97", + foreground: "#fff", + size: 12 + }, + "industrial": { + background: "#434A52", + foreground: "#C2F200", + size: 12 + } + } +}; + + + +app.flags = { + dimensions: { + regex: /([0-9]+)x([0-9]+)/, + output: function(val){ + var exec = this.regex.exec(val); + return { + width: +exec[1], + height: +exec[2] + } + } + }, + colors: { + regex: /#([0-9a-f]{3,})\:#([0-9a-f]{3,})/i, + output: function(val){ + var exec = this.regex.exec(val); + return { + size: settings.themes.gray.size, + foreground: "#" + exec[2], + background: "#" + exec[1] + } + } + }, + text: { + regex: /text\:(.*)/, + output: function(val){ + return this.regex.exec(val)[1]; + } + } +} + +for(var flag in app.flags){ + app.flags[flag].match = function (val){ + return val.match(this.regex) + } +} + +app.add_theme = function (name, theme) { + name != null && theme != null && (settings.themes[name] = theme); + return app; +}; + +app.add_image = function (src, el) { + var node = selector(el); + if (node.length) { + for (var i = 0, l = node.length; i < l; i++) { + var img = document.createElement("img") + img.setAttribute("data-src", src); + node[i].appendChild(img); + } + } + return app; +}; + +app.run = function (o) { + var options = extend(settings, o), + images = selector(options.images), + preempted = true; + + for (var l = images.length, i = 0; i < l; i++) { + var theme = settings.themes.gray; + var src = images[i].getAttribute("data-src") || images[i].getAttribute("src"); + if (src && !! ~src.indexOf(options.domain)) { + var render = false, + dimensions = null, + text = null; + var flags = src.substr(src.indexOf(options.domain) + options.domain.length + 1).split("/"); + for (sl = flags.length, j = 0; j < sl; j++) { + if (app.flags.dimensions.match(flags[j])) { + render = true; + dimensions = app.flags.dimensions.output(flags[j]); + } else if (app.flags.colors.match(flags[j])) { + theme = app.flags.colors.output(flags[j]); + } else if (options.themes[flags[j]]) { + //If a theme is specified, it will override custom colors + theme = options.themes[flags[j]]; + } else if (app.flags.text.match(flags[j])) { + text = app.flags.text.output(flags[j]); + } + } + if (render) { + images[i].setAttribute("data-src", src); + var dimensions_caption = dimensions.width + "x" + dimensions.height; + images[i].setAttribute("alt", text ? text : theme.text ? theme.text + " [" + dimensions_caption + "]" : dimensions_caption); + + // Fallback + // images[i].style.width = dimensions.width + "px"; + // images[i].style.height = dimensions.height + "px"; + images[i].style.backgroundColor = theme.background; + + var theme = (text ? extend(theme, { + text: text + }) : theme); + + if (!fallback) { + images[i].setAttribute("src", draw(ctx, dimensions, theme)); + } + } + } + } + return app; +}; +contentLoaded(win, function () { + preempted || app.run() +}) + +})(Holder, window); |