PortableMag/index.html

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<html>
<head>
<title>Magazine</title>
<link rel="stylesheet" href="magazine.css">
<script src="jquery.js"></script>
<script src="jquery.touchSwipe.js"></script>
<script>
/* this is needed only for live resize... */
var PAGES_VISIBLE = 1
$(document).ready(function(){
$(window).resize(function() {
fitNPages(PAGES_VISIBLE)
})
$('.viewer')
.swipe({
swipeStatus: swipeUpdate,
// XXX change this to pinch...
swipeUp: function(){
PAGES_VISIBLE = 6
fitNPages(PAGES_VISIBLE)
},
// XXX change this to pinch...
swipeDown: function(){
PAGES_VISIBLE = 1
fitNPages(PAGES_VISIBLE)
// to prevent drag while zooming to affect
// the resulting position set it to current
// page...
setCurrentPage()
},
click: function(evt, elem){
if($(elem).hasClass('page')){
setCurrentPage(elem)
}
return true
}
})
// XXX add splash screen...
fitNPages(PAGES_VISIBLE)
})
function swipeUpdate(evt, phase, direction, distance){
var pages = $('.page')
var cur = $('.current.page')
var n = pages.index(cur)
var scale = getElementScale($('.scaler'))
var mag = $('.magazine')
if( phase=='move' && (direction=='left' || direction=='right') ){
mag.addClass('unanimated')
if (direction == 'left'){
//$('.magazine').css({left: -n*cur.width()-distance/scale})
$('.magazine').css({left: -n*800-distance/scale})
} else if (direction == 'right') {
//$('.magazine').css({left: -n*cur.width()+distance/scale})
$('.magazine').css({left: -n*800+distance/scale})
}
setTimeout(function(){mag.removeClass('unanimated')}, 5)
} else if ( phase == 'cancel') {
setCurrentPage()
} else if ( phase =='end' ) {
// see which page is closer to the middle of the screen and set it...
// do this based on how much we dragged...
var p = Math.ceil((distance/scale)/cur.width())
// prev page...
if(direction == 'right') {
setCurrentPage(Math.max(n-p, 0))
// next page...
} else if (direction == 'left'){
setCurrentPage(Math.min(n+p, pages.length-1))
}
}
}
// XXX might be good to use apply here...
function doWithoutTransitions(obj, func, time){
if(time == null){
time = 5
}
obj.addClass('unanimated')
var res = func()
setTimeout(function(){obj.removeClass('unanimated')}, time)
return res
}
function unanimated(obj, func, time){
return function(){
if(time == null){
time = 5
}
obj.addClass('unanimated')
var res = func.apply(func, arguments)
setTimeout(function(){obj.removeClass('unanimated')}, time)
return res
}
}
function setCurrentPage(n){
if(n == null){
var cur = $('.current.page')
n = $('.page').index(cur)
} else if(typeof(n) == typeof(1)) {
var cur = $($('.page')[n])
} else {
var cur = $(n)
n = $('.page').index(cur)
}
$('.current.page').removeClass('current')
cur.addClass('current')
var mag = $('.magazine')
mag.css({left: -n*cur.width()})
return cur
}
function nextPage(){
var pages = $('.page')
var cur = $('.current.page')
return setCurrentPage(Math.min(pages.index(cur)+1, pages.length-1))
}
function prevPage(){
var pages = $('.page')
var cur = $('.current.page')
return setCurrentPage(Math.max(pages.index(cur)-1, 0))
}
function goToMagazineCover(){
setCurrentPage(0)
}
function goToArticleCover(){
setCurrentPage($('.current.page').parents('.article').children('.page').first())
}
function nextArticle(){
var cur = $('.current.page').parents('.article')
// we are at the magazine cover cover...
if(cur.length == 0){
return setCurrentPage(
$('.article .page:first-child').first())
}
// just find the next one...
var articles = $('.article')
return setCurrentPage(
$(articles[Math.min(articles.index(cur)+1, articles.length-1)])
.children('.page')
.first())
}
// XXX this is almost exactly the same as nextArticle...
function prevArticle(){
var cur = $('.current.page').parents('.article')
// we are at the magazine cover cover...
if(cur.length == 0){
return $('.current.page')
}
// just find the prev one...
var articles = $('.article')
return setCurrentPage(
$(articles[Math.max(articles.index(cur)-1, 0)])
.children('.page')
.first())
}
// Return a scale value for the given element(s).
// NOTE: this will only return a single scale value...
function getElementScale(elem){
//var transform = elem.css('transform')
var vendors = ['o', 'moz', 'ms', 'webkit']
var transform = elem.css('transform')
var res
// go through vendor prefixes... (hate this!)
if(!transform || transform == 'none'){
for(var i in vendors){
transform = elem.css('-' + vendors[i] + '-transform')
if(transform && transform != 'none'){
break
}
}
}
// no transform is set...
if(!transform || transform == 'none'){
return 1
}
// get the scale value -- first argument of scale/matrix...
return parseFloat((/(scale|matrix)\(([^,]*),.*\)/).exec(transform)[2])
}
function setElementScale(elem, scale){
return elem.css({
'transform': 'scale('+scale+')',
'-moz-transform': 'scale('+scale+')',
'-o-transform': 'scale('+scale+')',
'-ms-transform': 'scale('+scale+')',
'-webkit-transform': 'scale('+scale+')',
})
}
function fitNPages(n){
if(n==null){
n = 1
}
var pages = $('.page')
var scale = $('.viewer').width()/(pages.width()*n)
// fit vertically if needed...
if(pages.height()*scale > $('.viewer').height()){
scale = $('.viewer').height()/pages.height()
}
setElementScale($('.scaler'), scale)
}
// XXX create magazine...
function createMagazine(){
}
// XXX create article (magazine, title, position)...
function createArticle(magazine, title){
}
// XXX create page (article, template, position)...
function createPage(article, template){
}
</script>
</head>
<body>
<div class="viewer">
<div class="scaler">
<div class="aligner">
<div class="magazine">
<div class="cover page current">
Magazine Cover
</div>
<!-- XXX do we need a Magazine Credits page??? -->
<div class="article">
<div class="cover page">
Article Cover<br>
some more text...
</div>
<!-- XXX do we need an Article Credits page??? -->
<div class="page">
Page
</div>
<div class="page">
Page
</div>
<div class="page">
Page
</div>
</div>
<div class="article">
<div class="cover page">
Article Cover
</div>
<div class="page">
Page
</div>
<div class="page">
Page
</div>
<div class="page">
Page
</div>
<div class="page">
Page
</div>
<div class="page">
Page
</div>
</div>
<div class="article">
<div class="cover page">
Article Cover
</div>
<div class="page">
Page
</div>
<div class="page">
Page
</div>
<div class="page">
Page
</div>
<div class="page">
Page
</div>
</div>
<div class="article">
<div class="cover page">
Article Cover
</div>
<div class="page">
Page
</div>
<div class="page">
Page
</div>
<div class="page">
Page
</div>
<div class="page">
Page
</div>
</div>
</div>
</div>
</div>
</div>
</body>
</html>