mirror of
https://github.com/flynx/PortableMag.git
synced 2025-10-29 03:00:09 +00:00
split off the main code into a seporate file...
Signed-off-by: Alex A. Naanou <alex.nanou@gmail.com>
This commit is contained in:
parent
3ac18dfecc
commit
35361370be
501
index.html
501
index.html
@ -6,506 +6,9 @@
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<script src="jquery.touchSwipe.js"></script>
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<script src="jstorage.js"></script>
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<script src="magazine.js"></script>
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<script>
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var DEBUG = true
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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 null
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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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|
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|
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503
magazine.js
Executable file
503
magazine.js
Executable file
@ -0,0 +1,503 @@
|
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/**********************************************************************
|
||||
**********************************************************************/
|
||||
|
||||
var DEBUG = true
|
||||
|
||||
/* this is needed only for live resize... */
|
||||
var PAGES_VISIBLE = 1
|
||||
var PAGES_IN_RIBBON = 6
|
||||
/*********************************************************************/
|
||||
// XXX move to generic lib...
|
||||
|
||||
// this will create a function that will add/remove a css_class to elem
|
||||
// calling the optional callbacks before and/or after.
|
||||
//
|
||||
// elem is a jquery compatible object; default use-case: a css selector.
|
||||
//
|
||||
// the resulting function understands the folowing arguments:
|
||||
// - 'on' : switch mode on
|
||||
// - 'off' : switch mode off
|
||||
// - '?' : return current state ('on'|'off')
|
||||
// - no arguments : toggle the state
|
||||
//
|
||||
// NOTE: of only one callback is given then it will be called after the
|
||||
// class change...
|
||||
// a way around this is to pass an empty function as callback_b
|
||||
//
|
||||
function createCSSClassToggler(elem, css_class, callback_a, callback_b){
|
||||
// prepare the pre/post callbacks...
|
||||
if(callback_b == null){
|
||||
var callback_pre = null
|
||||
var callback_post = callback_a
|
||||
} else {
|
||||
var callback_pre = callback_a
|
||||
var callback_post = callback_b
|
||||
}
|
||||
// build the acual toggler function...
|
||||
var func = function(action){
|
||||
if(action == null || action == '?'){
|
||||
var getter = action == '?' ? true : false
|
||||
action = 'on'
|
||||
// get current state...
|
||||
if( $(elem).hasClass(css_class) ){
|
||||
action = 'off'
|
||||
}
|
||||
if(getter){
|
||||
// as the above actions indicate intent and not state,
|
||||
// we'll need to swap the values...
|
||||
return action == 'on' ? 'off' : 'on'
|
||||
}
|
||||
}
|
||||
if(callback_pre != null){
|
||||
callback_pre(action)
|
||||
}
|
||||
// play with the class...
|
||||
if(action == 'on'){
|
||||
$(elem).addClass(css_class)
|
||||
} else {
|
||||
$(elem).removeClass(css_class)
|
||||
}
|
||||
if(callback_post != null){
|
||||
callback_post(action)
|
||||
}
|
||||
}
|
||||
func.doc = 'With no arguments this will toggle between "on" and '+
|
||||
'"off".\n'+
|
||||
'If either "on" or "off" are given then this will switch '+
|
||||
'to that mode.\n'+
|
||||
'If "?" is given, this will return either "on" or "off" '+
|
||||
'depending on the current state.'
|
||||
return func
|
||||
}
|
||||
|
||||
|
||||
// show a jQuary opject in viewer overlay...
|
||||
// XXX need to set .scrollTop(0) when showing different UI...
|
||||
// ...and not set it when the UI is the same
|
||||
// XXX this must create it's own overlay...
|
||||
function showInOverlay(obj){
|
||||
obj.click(function(){ return false })
|
||||
// XXX
|
||||
$('.viewer').addClass('overlay-mode')
|
||||
// clean things up...
|
||||
$('.overlay .content').children().remove()
|
||||
// put it in the overlay...
|
||||
$('.overlay .content').append(obj)
|
||||
// prepare the overlay...
|
||||
$('.overlay')
|
||||
.one('click', function(){
|
||||
$('.overlay')
|
||||
.fadeOut(function(){
|
||||
$('.overlay .content')
|
||||
.children()
|
||||
.remove()
|
||||
$('.overlay-mode').removeClass('overlay-mode')
|
||||
})
|
||||
})
|
||||
.fadeIn()
|
||||
return obj
|
||||
}
|
||||
|
||||
|
||||
|
||||
function overlayMessage(text){
|
||||
return showInOverlay($('<div class="overlay-message">' +text+ '</div>'))
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
// 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
|
||||
}
|
||||
}
|
||||
|
||||
// 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+')',
|
||||
})
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
/*********************************************************************/
|
||||
|
||||
togglePageDragging = createCSSClassToggler(
|
||||
'.viewer',
|
||||
'dragging')
|
||||
|
||||
|
||||
var FIT_PAGE_TO_VIEW = true
|
||||
|
||||
togglePageView = createCSSClassToggler(
|
||||
'.viewer',
|
||||
'page-view-mode',
|
||||
null,
|
||||
// post-change callback...
|
||||
function(){
|
||||
if(togglePageView('?') == 'on'){
|
||||
PAGES_VISIBLE = 1
|
||||
if(FIT_PAGE_TO_VIEW){
|
||||
fitPagesToViewer(PAGES_VISIBLE)
|
||||
} else {
|
||||
fitNPages(PAGES_VISIBLE)
|
||||
// to prevent drag while zooming to affect
|
||||
// the resulting position set it to current
|
||||
// page...
|
||||
// XXX now this is done by fitNPages
|
||||
setCurrentPage()
|
||||
}
|
||||
} else {
|
||||
PAGES_VISIBLE = PAGES_IN_RIBBON
|
||||
if(FIT_PAGE_TO_VIEW){
|
||||
// XXX this needs to be done before transitions...
|
||||
fitPagesToContent(PAGES_VISIBLE)
|
||||
} else {
|
||||
fitNPages(PAGES_VISIBLE)
|
||||
}
|
||||
}
|
||||
})
|
||||
|
||||
function getPageScale(){
|
||||
return getElementScale($('.scaler'))
|
||||
}
|
||||
|
||||
function fitNPages(n){
|
||||
if(n==null){
|
||||
n = 1
|
||||
}
|
||||
var pages = $('.page')
|
||||
var view = $('.viewer')
|
||||
var W = view.width()
|
||||
var H = view.height()
|
||||
var w = pages.width()
|
||||
var h = pages.height()
|
||||
|
||||
var scale = W/(w*n)
|
||||
|
||||
// fit vertically if needed...
|
||||
if(h*scale > H){
|
||||
scale = H/h
|
||||
}
|
||||
|
||||
setElementScale($('.scaler'), scale)
|
||||
|
||||
/* XXX
|
||||
fitPagesTo(null, n)
|
||||
*/
|
||||
}
|
||||
|
||||
// NOTE: this is a single big function because we need to thread data
|
||||
// through to avoid sampling while animating...
|
||||
// XXX try and do the fitting with pure CSS...
|
||||
// XXX BUG: changing width when content is constrained only horizontally
|
||||
// breaks this...
|
||||
function fitPagesTo(elem, n){
|
||||
if(n==null){
|
||||
n = 1
|
||||
}
|
||||
var pages = $('.page')
|
||||
var view = $('.viewer')
|
||||
var content = $('.content')
|
||||
if(elem == null){
|
||||
elem = view
|
||||
} else {
|
||||
elem = $(elem)
|
||||
}
|
||||
|
||||
// sample data...
|
||||
var vW = view.width()
|
||||
var vH = view.height()
|
||||
var cW = content.width()
|
||||
var cH = content.height()
|
||||
var W = elem.width()
|
||||
var H = elem.height()
|
||||
var w = pages.width()
|
||||
var h = pages.height()
|
||||
var rW = w
|
||||
var rH = h
|
||||
|
||||
// NOTE: there must be no data sampling after this point...
|
||||
// this is due to the fact that we will start changing stuff next
|
||||
// and if CSS transitions are at play new samples will be off...
|
||||
|
||||
|
||||
// XXX fitting works ONLY in one direction, if both sides need
|
||||
// to be adjusted the this breaks everything...
|
||||
|
||||
// do the fitting...
|
||||
if(W-cW/H-cH > 1){
|
||||
rW = W * (cH/H)
|
||||
pages.width(rW)
|
||||
pages.height(cH)
|
||||
$('.magazine').css({
|
||||
'margin-left': -rW/2
|
||||
})
|
||||
}
|
||||
if(W-cW/H-cH < 1){
|
||||
rH = H * (cW/W)
|
||||
pages.height(rH)
|
||||
pages.width(cW)
|
||||
$('.page').css({
|
||||
'margin-top': -rH/2
|
||||
})
|
||||
}
|
||||
|
||||
// scale horizontally...
|
||||
// NOTE: this is done so as to keep the scale within the content constant...
|
||||
var scale = vW/(rW*n)
|
||||
// or scale vertically if needed...
|
||||
// XXX broken
|
||||
//if(rH*scale > vH){
|
||||
// scale = vH/rH
|
||||
//}
|
||||
|
||||
setElementScale($('.scaler'), scale)
|
||||
// update position using the new width...
|
||||
setCurrentPage(null, rW)
|
||||
}
|
||||
|
||||
|
||||
function fitPagesToViewer(n){
|
||||
fitPagesTo('.viewer', n)
|
||||
}
|
||||
function fitPagesToContent(n){
|
||||
fitPagesTo('.page .content', n)
|
||||
}
|
||||
|
||||
|
||||
function swipeUpdate(evt, phase, direction, distance){
|
||||
var pages = $('.page')
|
||||
var cur = $('.current.page')
|
||||
var n = pages.index(cur)
|
||||
var scale = getPageScale()
|
||||
var mag = $('.magazine')
|
||||
|
||||
if( phase=='move' && (direction=='left' || direction=='right') ){
|
||||
mag.addClass('unanimated')
|
||||
if (direction == 'left'){
|
||||
$('.magazine').css({left: -n*cur.width()-distance/scale})
|
||||
} else if (direction == 'right') {
|
||||
$('.magazine').css({left: -n*cur.width()+distance/scale})
|
||||
}
|
||||
setTimeout(function(){mag.removeClass('unanimated')}, 5)
|
||||
|
||||
} else if ( phase == 'start') {
|
||||
togglePageDragging('on')
|
||||
|
||||
} else if ( phase == 'cancel') {
|
||||
togglePageDragging('off')
|
||||
setCurrentPage()
|
||||
|
||||
} else if ( phase =='end' ) {
|
||||
togglePageDragging('off')
|
||||
// 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 store the current page...
|
||||
function setCurrentPage(n, W){
|
||||
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')
|
||||
var W = W == null ? cur.width() : W
|
||||
mag.css({left: -n*W})
|
||||
|
||||
// XXX should this be here???
|
||||
saveState()
|
||||
|
||||
return cur
|
||||
}
|
||||
|
||||
function getPageNumber(page){
|
||||
if(page == null){
|
||||
page = $('.current.page')
|
||||
}
|
||||
return $('.page').index(page)
|
||||
}
|
||||
|
||||
|
||||
|
||||
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(
|
||||
$(articles[Math.max(articles.index(cur)-1, 0)])
|
||||
.children('.page')
|
||||
.first())
|
||||
}
|
||||
|
||||
|
||||
|
||||
/*********************************************************************/
|
||||
// XXX make these magazine-specific...
|
||||
// URL state managers...
|
||||
function loadURLState(){
|
||||
if(window.location.hash == ''){
|
||||
return null
|
||||
}
|
||||
var n = parseInt(window.location.hash.split('#')[1])
|
||||
if(n != null){
|
||||
return n
|
||||
} else {
|
||||
alert('textual anchors not yet supported...')
|
||||
return
|
||||
}
|
||||
}
|
||||
function saveURLState(){
|
||||
window.location.hash = getPageNumber()
|
||||
}
|
||||
|
||||
// local storage state managers...
|
||||
function loadStorageState(){
|
||||
return parseInt($.jStorage.get('current_page'), 0)
|
||||
}
|
||||
function saveStorageState(){
|
||||
$.jStorage.set('current_page', getPageNumber())
|
||||
}
|
||||
|
||||
// generic state managers...
|
||||
function loadState(){
|
||||
var n = loadURLState()
|
||||
if(n != null){
|
||||
setCurrentPage(n)
|
||||
} else {
|
||||
setCurrentPage(loadStorageState())
|
||||
}
|
||||
}
|
||||
function saveState(){
|
||||
saveURLState()
|
||||
saveStorageState()
|
||||
}
|
||||
|
||||
|
||||
/*********************************************************************/
|
||||
|
||||
// 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){
|
||||
}
|
||||
|
||||
|
||||
/*********************************************************************/
|
||||
// vim:set ts=4 sw=4 :
|
||||
Loading…
x
Reference in New Issue
Block a user