mirror of
https://github.com/flynx/PortableMag.git
synced 2025-10-29 11:10:08 +00:00
706 lines
16 KiB
HTML
Executable File
706 lines
16 KiB
HTML
Executable File
<html>
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<head>
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<title>Magazine</title>
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<link rel="stylesheet" href="magazine.css">
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<script src="jquery.js"></script>
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<script src="jquery.touchSwipe.js"></script>
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<script src="jstorage.js"></script>
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<script>
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/* this is needed only for live resize... */
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var PAGES_VISIBLE = 1
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var PAGES_IN_RIBBON = 6
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/*********************************************************************/
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// XXX move to generic lib...
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// this will create a function that will add/remove a css_class to elem
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// calling the optional callbacks before and/or after.
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//
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// elem is a jquery compatible object; default use-case: a css selector.
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//
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// the resulting function understands the folowing arguments:
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// - 'on' : switch mode on
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// - 'off' : switch mode off
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// - '?' : return current state ('on'|'off')
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// - no arguments : toggle the state
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//
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// NOTE: of only one callback is given then it will be called after the
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// class change...
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// a way around this is to pass an empty function as callback_b
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//
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function createCSSClassToggler(elem, css_class, callback_a, callback_b){
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// prepare the pre/post callbacks...
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if(callback_b == null){
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var callback_pre = null
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var callback_post = callback_a
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} else {
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var callback_pre = callback_a
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var callback_post = callback_b
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}
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// build the acual toggler function...
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var func = function(action){
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if(action == null || action == '?'){
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var getter = action == '?' ? true : false
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action = 'on'
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// get current state...
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if( $(elem).hasClass(css_class) ){
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action = 'off'
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}
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if(getter){
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// as the above actions indicate intent and not state,
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// we'll need to swap the values...
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return action == 'on' ? 'off' : 'on'
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}
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}
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if(callback_pre != null){
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callback_pre(action)
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}
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// play with the class...
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if(action == 'on'){
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$(elem).addClass(css_class)
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} else {
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$(elem).removeClass(css_class)
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}
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if(callback_post != null){
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callback_post(action)
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}
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}
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func.doc = 'With no arguments this will toggle between "on" and '+
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'"off".\n'+
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'If either "on" or "off" are given then this will switch '+
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'to that mode.\n'+
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'If "?" is given, this will return either "on" or "off" '+
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'depending on the current state.'
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return func
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}
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// show a jQuary opject in viewer overlay...
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// XXX need to set .scrollTop(0) when showing different UI...
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// ...and not set it when the UI is the same
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// XXX this must create it's own overlay...
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function showInOverlay(obj){
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obj.click(function(){ return false })
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// XXX
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$('.viewer').addClass('overlay-mode')
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// clean things up...
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$('.overlay .content').children().remove()
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// put it in the overlay...
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$('.overlay .content').append(obj)
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// prepare the overlay...
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$('.overlay')
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.one('click', function(){
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$('.overlay')
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.fadeOut(function(){
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$('.overlay .content')
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.children()
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.remove()
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$('.overlay-mode').removeClass('overlay-mode')
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})
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})
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.fadeIn()
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return obj
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}
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function overlayMessage(text){
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return showInOverlay($('<div class="overlay-message">' +text+ '</div>'))
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}
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// XXX might be good to use apply here...
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function doWithoutTransitions(obj, func, time){
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if(time == null){
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time = 5
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}
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obj.addClass('unanimated')
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var res = func()
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setTimeout(function(){obj.removeClass('unanimated')}, time)
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return res
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}
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function unanimated(obj, func, time){
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return function(){
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if(time == null){
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time = 5
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}
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obj.addClass('unanimated')
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var res = func.apply(func, arguments)
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setTimeout(function(){obj.removeClass('unanimated')}, time)
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return res
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}
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}
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// Return a scale value for the given element(s).
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// NOTE: this will only return a single scale value...
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function getElementScale(elem){
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//var transform = elem.css('transform')
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var vendors = ['o', 'moz', 'ms', 'webkit']
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var transform = elem.css('transform')
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var res
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// go through vendor prefixes... (hate this!)
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if(!transform || transform == 'none'){
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for(var i in vendors){
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transform = elem.css('-' + vendors[i] + '-transform')
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if(transform && transform != 'none'){
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break
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}
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}
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}
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// no transform is set...
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if(!transform || transform == 'none'){
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return 1
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}
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// get the scale value -- first argument of scale/matrix...
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return parseFloat((/(scale|matrix)\(([^,]*),.*\)/).exec(transform)[2])
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}
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function setElementScale(elem, scale){
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return elem.css({
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'transform': 'scale('+scale+')',
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'-moz-transform': 'scale('+scale+')',
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'-o-transform': 'scale('+scale+')',
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'-ms-transform': 'scale('+scale+')',
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'-webkit-transform': 'scale('+scale+')',
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})
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}
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/*********************************************************************/
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togglePageDragging = createCSSClassToggler(
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'.viewer',
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'dragging')
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var FIT_PAGE_TO_VIEW = true
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togglePageView = createCSSClassToggler(
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'.viewer',
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'page-view-mode',
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null,
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// post-change callback...
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function(){
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if(togglePageView('?') == 'on'){
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PAGES_VISIBLE = 1
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if(FIT_PAGE_TO_VIEW){
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fitPagesToViewer(PAGES_VISIBLE)
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} else {
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fitNPages(PAGES_VISIBLE)
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// to prevent drag while zooming to affect
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// the resulting position set it to current
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// page...
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// XXX now this is done by fitNPages
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setCurrentPage()
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}
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} else {
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PAGES_VISIBLE = PAGES_IN_RIBBON
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if(FIT_PAGE_TO_VIEW){
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// XXX this needs to be done before transitions...
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fitPagesToContent(PAGES_VISIBLE)
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} else {
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fitNPages(PAGES_VISIBLE)
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}
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}
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})
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function getPageScale(){
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return getElementScale($('.scaler'))
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}
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function fitNPages(n){
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if(n==null){
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n = 1
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}
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var pages = $('.page')
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var view = $('.viewer')
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var W = view.width()
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var H = view.height()
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var w = pages.width()
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var h = pages.height()
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var scale = W/(w*n)
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// fit vertically if needed...
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if(h*scale > H){
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scale = H/h
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}
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setElementScale($('.scaler'), scale)
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/* XXX
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fitPagesTo(null, n)
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*/
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}
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// NOTE: this is a single big function because we need to thread data
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// through to avoid sampling while animating...
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// XXX try and do the fitting with pure CSS...
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// XXX BUG: changing width when content is constrained only horizontally
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// breaks this...
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function fitPagesTo(elem, n){
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if(n==null){
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n = 1
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}
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var pages = $('.page')
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var view = $('.viewer')
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var content = $('.content')
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if(elem == null){
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elem = view
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} else {
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elem = $(elem)
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}
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// sample data...
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var vW = view.width()
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var vH = view.height()
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var cW = content.width()
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var cH = content.height()
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var W = elem.width()
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var H = elem.height()
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var w = pages.width()
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var h = pages.height()
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var rW = w
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var rH = h
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// NOTE: there must be no data sampling after this point...
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// this is due to the fact that we will start changing stuff next
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// and if CSS transitions are at play new samples will be off...
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// XXX fitting works ONLY in one direction, if both sides need
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// to be adjusted the this breaks everything...
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// do the fitting...
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if(W-cW/H-cH > 1){
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rW = W * (cH/H)
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pages.width(rW)
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pages.height(cH)
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$('.magazine').css({
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'margin-left': -rW/2
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})
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}
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if(W-cW/H-cH < 1){
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rH = H * (cW/W)
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pages.height(rH)
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pages.width(cW)
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$('.page').css({
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'margin-top': -rH/2
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})
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}
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// scale horizontally...
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// NOTE: this is done so as to keep the scale within the content constant...
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var scale = vW/(rW*n)
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// or scale vertically if needed...
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// XXX broken
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//if(rH*scale > vH){
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// scale = vH/rH
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//}
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setElementScale($('.scaler'), scale)
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// update position using the new width...
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setCurrentPage(null, rW)
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}
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function fitPagesToViewer(n){
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fitPagesTo('.viewer', n)
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}
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function fitPagesToContent(n){
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fitPagesTo('.page .content', n)
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}
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function swipeUpdate(evt, phase, direction, distance){
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var pages = $('.page')
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var cur = $('.current.page')
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var n = pages.index(cur)
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var scale = getPageScale()
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var mag = $('.magazine')
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if( phase=='move' && (direction=='left' || direction=='right') ){
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mag.addClass('unanimated')
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if (direction == 'left'){
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$('.magazine').css({left: -n*cur.width()-distance/scale})
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} else if (direction == 'right') {
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$('.magazine').css({left: -n*cur.width()+distance/scale})
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}
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setTimeout(function(){mag.removeClass('unanimated')}, 5)
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} else if ( phase == 'start') {
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togglePageDragging('on')
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} else if ( phase == 'cancel') {
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togglePageDragging('off')
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setCurrentPage()
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} else if ( phase =='end' ) {
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togglePageDragging('off')
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// see which page is closer to the middle of the screen and set it...
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// do this based on how much we dragged...
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var p = Math.ceil((distance/scale)/cur.width())
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// prev page...
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if(direction == 'right') {
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setCurrentPage(Math.max(n-p, 0))
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// next page...
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} else if (direction == 'left'){
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setCurrentPage(Math.min(n+p, pages.length-1))
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}
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}
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}
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// XXX store the current page...
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function setCurrentPage(n, W){
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if(n == null){
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var cur = $('.current.page')
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n = $('.page').index(cur)
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} else if(typeof(n) == typeof(1)) {
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var cur = $($('.page')[n])
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} else {
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var cur = $(n)
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n = $('.page').index(cur)
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}
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$('.current.page').removeClass('current')
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cur.addClass('current')
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var mag = $('.magazine')
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var W = W == null ? cur.width() : W
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mag.css({left: -n*W})
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// XXX should this be here???
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saveState()
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return cur
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}
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function getPageNumber(page){
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if(page == null){
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page = $('.current.page')
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}
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return $('.page').index(page)
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}
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function nextPage(){
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var pages = $('.page')
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var cur = $('.current.page')
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return setCurrentPage(Math.min(pages.index(cur)+1, pages.length-1))
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}
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function prevPage(){
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var pages = $('.page')
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var cur = $('.current.page')
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return setCurrentPage(Math.max(pages.index(cur)-1, 0))
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}
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function goToMagazineCover(){
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setCurrentPage(0)
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}
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function goToArticleCover(){
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setCurrentPage($('.current.page').parents('.article').children('.page').first())
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}
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function nextArticle(){
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var cur = $('.current.page').parents('.article')
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// we are at the magazine cover cover...
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if(cur.length == 0){
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return setCurrentPage(
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$('.article .page:first-child').first())
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}
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// just find the next one...
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var articles = $('.article')
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return setCurrentPage(
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$(articles[Math.min(articles.index(cur)+1, articles.length-1)])
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.children('.page')
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.first())
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}
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// XXX this is almost exactly the same as nextArticle...
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function prevArticle(){
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var cur = $('.current.page').parents('.article')
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// we are at the magazine cover cover...
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if(cur.length == 0){
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return $('.current.page')
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}
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// just find the prev one...
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var articles = $('.article')
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return setCurrentPage(
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$(articles[Math.max(articles.index(cur)-1, 0)])
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.children('.page')
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.first())
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}
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/*********************************************************************/
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// XXX make these magazine-specific...
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// URL state managers...
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function loadURLState(){
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if(window.location.hash == ''){
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return 0
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}
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var n = parseInt(window.location.hash.split('#')[1])
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if(n != null){
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return n
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} else {
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alert('textual anchors not yet supported...')
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return
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}
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}
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function saveURLState(){
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window.location.hash = getPageNumber()
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}
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// local storage state managers...
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function loadStorageState(){
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return parseInt($.jStorage.get('current_page'), 0)
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}
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function saveStorageState(){
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$.jStorage.set('current_page', getPageNumber())
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}
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// generic state managers...
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function loadState(){
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var n = loadURLState()
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if(n != null){
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setCurrentPage(n)
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} else {
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setCurrentPage(loadStorageState())
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}
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}
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function saveState(){
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saveURLState()
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saveStorageState()
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}
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/*********************************************************************/
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// XXX create magazine...
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function createMagazine(){
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}
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// XXX create article (magazine, title, position)...
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function createArticle(magazine, title){
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}
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// XXX create page (article, template, position)...
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function createPage(article, template){
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}
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</script>
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<script>
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$(document).ready(function(){
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$(window)
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.resize(function() {
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fitNPages(PAGES_VISIBLE)
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})
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/*
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.bind('hashchange', function(){
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setCurrentPage(loadURLState())
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})
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*/
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$('.viewer')
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.swipe({
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swipeStatus: swipeUpdate,
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// XXX change this to pinch...
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swipeUp: function(){
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togglePageView('off')
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},
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// XXX change this to pinch...
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swipeDown: function(){
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togglePageView('on')
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},
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// XXX for some reason this deos not bubble up the nested elements...
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click: function(evt, elem){
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if($(elem).hasClass('page')){
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setCurrentPage(elem)
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} else if($(elem).hasClass('content')){
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setCurrentPage($(elem).parents('.page').first())
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}
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return true
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}
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})
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$('.button.cover').swipe({click: goToMagazineCover})
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$('.button.next-article').swipe({click: nextArticle})
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$('.button.prev-article').swipe({click: prevArticle})
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// XXX STUB: for device debugging reasons...
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$('.splash')
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.swipe({click: function(){
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$('.splash').fadeOut()
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}})
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loadState()
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togglePageView('on')
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// hide the splash screen...
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$(window).one('webkitTransitionEnd oTransitionEnd msTransitionEnd transitionend',
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function(){
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$('.splash').fadeOut()
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})
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})
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</script>
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</head>
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<body>
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<div class="viewer">
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<!-- Splash screen -->
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<div class="splash noSwipe">
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<!-- XXX replace this with a background-image logo... -->
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<table width="100%" height="100%"><tr><td align="center" valign="middle">
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<h2><i>loading...</i></h2>
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</td></tr></table>
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</div>
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<!-- XXX Magazine title... -->
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<div class="top-toolbar">
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mooo
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<div class="button home">Home</div>
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<div class="button cover">Issue Cover</div>
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<div class="button prev-article">Prev Article</div>
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<div class="button next-article">Next Article</div>
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</div>
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<div class="bottom-toolbar">
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</div>
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<div class="scaler">
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<div class="aligner">
|
|
<div class="magazine">
|
|
<div class="cover page current">
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|
<div class="content">
|
|
Magazine Cover
|
|
</div>
|
|
</div>
|
|
|
|
<!-- XXX do we need a Magazine Credits page??? -->
|
|
|
|
<div class="article">
|
|
<div class="cover page">
|
|
<div class="content">
|
|
Article Cover<br>
|
|
some more text...
|
|
</div>
|
|
</div>
|
|
|
|
<!-- XXX do we need an Article Credits page??? -->
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|
|
|
<div class="page">
|
|
<div class="content" style="border:solid red 1px">
|
|
Page
|
|
</div>
|
|
</div>
|
|
<div class="page">
|
|
<div class="content">
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|
Page
|
|
<img src="img.jpg" height="100%"/>
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|
</div>
|
|
</div>
|
|
<div class="page">
|
|
<div class="content">
|
|
<img src="img.jpg" width="200%" style="margin-left: -50%; margin-top: -20%"/>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
<div class="article">
|
|
<div class="cover page">
|
|
<div class="content">
|
|
Article Cover
|
|
</div>
|
|
</div>
|
|
|
|
<div class="page">
|
|
<div class="content">
|
|
Page
|
|
</div>
|
|
</div>
|
|
<div class="page">
|
|
<div class="content">
|
|
Page
|
|
</div>
|
|
</div>
|
|
<div class="page">
|
|
<div class="content">
|
|
Page
|
|
</div>
|
|
</div>
|
|
<div class="page">
|
|
<div class="content">
|
|
Page
|
|
</div>
|
|
</div>
|
|
<div class="page">
|
|
<div class="content">
|
|
Page
|
|
</div>
|
|
</div>
|
|
</div>
|
|
<div class="article">
|
|
<div class="cover page">
|
|
<div class="content">
|
|
Article Cover
|
|
</div>
|
|
</div>
|
|
|
|
<div class="page">
|
|
<div class="content">
|
|
Page
|
|
</div>
|
|
</div>
|
|
<div class="page">
|
|
<div class="content">
|
|
Page
|
|
</div>
|
|
</div>
|
|
<div class="page">
|
|
<div class="content">
|
|
Page
|
|
</div>
|
|
</div>
|
|
<div class="page">
|
|
<div class="content">
|
|
Page
|
|
</div>
|
|
</div>
|
|
<div class="page">
|
|
<div class="content">
|
|
Page
|
|
</div>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
|
|
|
|
</body>
|
|
</html>
|