+++ /dev/null
-//fgnass.github.com/spin.js#v1.2.8
-!function(window, document, undefined) {
-
- /**
- * Copyright (c) 2011 Felix Gnass [fgnass at neteye dot de]
- * Licensed under the MIT license
- */
-
- var prefixes = ['webkit', 'Moz', 'ms', 'O'] /* Vendor prefixes */
- , animations = {} /* Animation rules keyed by their name */
- , useCssAnimations
-
- /**
- * Utility function to create elements. If no tag name is given,
- * a DIV is created. Optionally properties can be passed.
- */
- function createEl(tag, prop) {
- var el = document.createElement(tag || 'div')
- , n
-
- for(n in prop) el[n] = prop[n]
- return el
- }
-
- /**
- * Appends children and returns the parent.
- */
- function ins(parent /* child1, child2, ...*/) {
- for (var i=1, n=arguments.length; i<n; i++)
- parent.appendChild(arguments[i])
-
- return parent
- }
-
- /**
- * Insert a new stylesheet to hold the @keyframe or VML rules.
- */
- var sheet = function() {
- var el = createEl('style', {type : 'text/css'})
- ins(document.getElementsByTagName('head')[0], el)
- return el.sheet || el.styleSheet
- }()
-
- /**
- * Creates an opacity keyframe animation rule and returns its name.
- * Since most mobile Webkits have timing issues with animation-delay,
- * we create separate rules for each line/segment.
- */
- function addAnimation(alpha, trail, i, lines) {
- var name = ['opacity', trail, ~~(alpha*100), i, lines].join('-')
- , start = 0.01 + i/lines*100
- , z = Math.max(1 - (1-alpha) / trail * (100-start), alpha)
- , prefix = useCssAnimations.substring(0, useCssAnimations.indexOf('Animation')).toLowerCase()
- , pre = prefix && '-'+prefix+'-' || ''
-
- if (!animations[name]) {
- sheet.insertRule(
- '@' + pre + 'keyframes ' + name + '{' +
- '0%{opacity:' + z + '}' +
- start + '%{opacity:' + alpha + '}' +
- (start+0.01) + '%{opacity:1}' +
- (start+trail) % 100 + '%{opacity:' + alpha + '}' +
- '100%{opacity:' + z + '}' +
- '}', sheet.cssRules.length)
-
- animations[name] = 1
- }
- return name
- }
-
- /**
- * Tries various vendor prefixes and returns the first supported property.
- **/
- function vendor(el, prop) {
- var s = el.style
- , pp
- , i
-
- if(s[prop] !== undefined) return prop
- prop = prop.charAt(0).toUpperCase() + prop.slice(1)
- for(i=0; i<prefixes.length; i++) {
- pp = prefixes[i]+prop
- if(s[pp] !== undefined) return pp
- }
- }
-
- /**
- * Sets multiple style properties at once.
- */
- function css(el, prop) {
- for (var n in prop)
- el.style[vendor(el, n)||n] = prop[n]
-
- return el
- }
-
- /**
- * Fills in default values.
- */
- function merge(obj) {
- for (var i=1; i < arguments.length; i++) {
- var def = arguments[i]
- for (var n in def)
- if (obj[n] === undefined) obj[n] = def[n]
- }
- return obj
- }
-
- /**
- * Returns the absolute page-offset of the given element.
- */
- function pos(el) {
- var o = { x:el.offsetLeft, y:el.offsetTop }
- while((el = el.offsetParent))
- o.x+=el.offsetLeft, o.y+=el.offsetTop
-
- return o
- }
-
- var defaults = {
- lines: 12, // The number of lines to draw
- length: 7, // The length of each line
- width: 5, // The line thickness
- radius: 10, // The radius of the inner circle
- rotate: 0, // Rotation offset
- corners: 1, // Roundness (0..1)
- color: '#000', // #rgb or #rrggbb
- speed: 1, // Rounds per second
- trail: 100, // Afterglow percentage
- opacity: 1/4, // Opacity of the lines
- fps: 20, // Frames per second when using setTimeout()
- zIndex: 2e9, // Use a high z-index by default
- className: 'spinner', // CSS class to assign to the element
- top: 'auto', // center vertically
- left: 'auto', // center horizontally
- position: 'relative' // element position
- }
-
- /** The constructor */
- function Spinner(o) {
- if (!this.spin) return new Spinner(o)
- this.opts = merge(o || {}, Spinner.defaults, defaults)
- }
-
- Spinner.defaults = {}
-
- merge(Spinner.prototype, {
- spin: function(target) {
- this.stop()
- var self = this
- , o = self.opts
- , el = self.el = css(createEl(0, {className: o.className}), {position: o.position, width: 0, zIndex: o.zIndex})
- , mid = o.radius+o.length+o.width
- , ep // element position
- , tp // target position
-
- if (target) {
- target.insertBefore(el, target.firstChild||null)
- tp = pos(target)
- ep = pos(el)
- css(el, {
- left: (o.left == 'auto' ? tp.x-ep.x + (target.offsetWidth >> 1) : parseInt(o.left, 10) + mid) + 'px',
- top: (o.top == 'auto' ? tp.y-ep.y + (target.offsetHeight >> 1) : parseInt(o.top, 10) + mid) + 'px'
- })
- }
-
- el.setAttribute('aria-role', 'progressbar')
- self.lines(el, self.opts)
-
- if (!useCssAnimations) {
- // No CSS animation support, use setTimeout() instead
- var i = 0
- , fps = o.fps
- , f = fps/o.speed
- , ostep = (1-o.opacity) / (f*o.trail / 100)
- , astep = f/o.lines
-
- ;(function anim() {
- i++;
- for (var s=o.lines; s; s--) {
- var alpha = Math.max(1-(i+s*astep)%f * ostep, o.opacity)
- self.opacity(el, o.lines-s, alpha, o)
- }
- self.timeout = self.el && setTimeout(anim, ~~(1000/fps))
- })()
- }
- return self
- },
-
- stop: function() {
- var el = this.el
- if (el) {
- clearTimeout(this.timeout)
- if (el.parentNode) el.parentNode.removeChild(el)
- this.el = undefined
- }
- return this
- },
-
- lines: function(el, o) {
- var i = 0
- , seg
-
- function fill(color, shadow) {
- return css(createEl(), {
- position: 'absolute',
- width: (o.length+o.width) + 'px',
- height: o.width + 'px',
- background: color,
- boxShadow: shadow,
- transformOrigin: 'left',
- transform: 'rotate(' + ~~(360/o.lines*i+o.rotate) + 'deg) translate(' + o.radius+'px' +',0)',
- borderRadius: (o.corners * o.width>>1) + 'px'
- })
- }
-
- for (; i < o.lines; i++) {
- seg = css(createEl(), {
- position: 'absolute',
- top: 1+~(o.width/2) + 'px',
- transform: o.hwaccel ? 'translate3d(0,0,0)' : '',
- opacity: o.opacity,
- animation: useCssAnimations && addAnimation(o.opacity, o.trail, i, o.lines) + ' ' + 1/o.speed + 's linear infinite'
- })
-
- if (o.shadow) ins(seg, css(fill('#000', '0 0 4px ' + '#000'), {top: 2+'px'}))
-
- ins(el, ins(seg, fill(o.color, '0 0 1px rgba(0,0,0,.1)')))
- }
- return el
- },
-
- opacity: function(el, i, val) {
- if (i < el.childNodes.length) el.childNodes[i].style.opacity = val
- }
-
- })
-
- /////////////////////////////////////////////////////////////////////////
- // VML rendering for IE
- /////////////////////////////////////////////////////////////////////////
-
- /**
- * Check and init VML support
- */
- ;(function() {
-
- function vml(tag, attr) {
- return createEl('<' + tag + ' xmlns="urn:schemas-microsoft.com:vml" class="spin-vml">', attr)
- }
-
- var s = css(createEl('group'), {behavior: 'url(#default#VML)'})
-
- if (!vendor(s, 'transform') && s.adj) {
-
- // VML support detected. Insert CSS rule ...
- sheet.addRule('.spin-vml', 'behavior:url(#default#VML)')
-
- Spinner.prototype.lines = function(el, o) {
- var r = o.length+o.width
- , s = 2*r
-
- function grp() {
- return css(
- vml('group', {
- coordsize: s + ' ' + s,
- coordorigin: -r + ' ' + -r
- }),
- { width: s, height: s }
- )
- }
-
- var margin = -(o.width+o.length)*2 + 'px'
- , g = css(grp(), {position: 'absolute', top: margin, left: margin})
- , i
-
- function seg(i, dx, filter) {
- ins(g,
- ins(css(grp(), {rotation: 360 / o.lines * i + 'deg', left: ~~dx}),
- ins(css(vml('roundrect', {arcsize: o.corners}), {
- width: r,
- height: o.width,
- left: o.radius,
- top: -o.width>>1,
- filter: filter
- }),
- vml('fill', {color: o.color, opacity: o.opacity}),
- vml('stroke', {opacity: 0}) // transparent stroke to fix color bleeding upon opacity change
- )
- )
- )
- }
-
- if (o.shadow)
- for (i = 1; i <= o.lines; i++)
- seg(i, -2, 'progid:DXImageTransform.Microsoft.Blur(pixelradius=2,makeshadow=1,shadowopacity=.3)')
-
- for (i = 1; i <= o.lines; i++) seg(i)
- return ins(el, g)
- }
-
- Spinner.prototype.opacity = function(el, i, val, o) {
- var c = el.firstChild
- o = o.shadow && o.lines || 0
- if (c && i+o < c.childNodes.length) {
- c = c.childNodes[i+o]; c = c && c.firstChild; c = c && c.firstChild
- if (c) c.opacity = val
- }
- }
- }
- else
- useCssAnimations = vendor(s, 'animation')
- })()
-
- if (typeof define == 'function' && define.amd)
- define(function() { return Spinner })
- else
- window.Spinner = Spinner
-
-}(window, document);
git://git.onelab.eu / myslice.git / blobdiff