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some refactoring and cleaning, history still is broken...

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Signed-off-by: Alex A. Naanou <alex.nanou@gmail.com>
This commit is contained in:
Alex A. Naanou 2013-02-06 15:44:09 +04:00
parent cb8c260784
commit f2a034120f
1 changed files with 38 additions and 21 deletions
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59
magazine.js
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@ -31,7 +31,6 @@ var USE_REAL_PAGE_SIZES = false
// if true this will make each page flip update the hash url... // if true this will make each page flip update the hash url...
// if false, only direct linking will update the url. // if false, only direct linking will update the url.
// NOTE: this can slow down navigation... // NOTE: this can slow down navigation...
// XXX BUG this if false, will break the layer hide/show toggle...
var UPDATE_HASH_URL_POSITION = false var UPDATE_HASH_URL_POSITION = false
// if true this will enable history for local page navigation regardless // if true this will enable history for local page navigation regardless
@ -116,10 +115,33 @@ function getPageAt(n){
/************************************************** event handlers ***/ /************************************************** event handlers ***/
// #URL handler... // #URL handler...
var RELATIVE_URLS = [
'back', 'forward',
'next', 'prev',
'nextArticle', 'prevArticle',
'nextBookmark', 'prevBookmark',
'bookmark',
'hideLayers'
]
// NOTE: most of the handling actually happens in loadURLState... // NOTE: most of the handling actually happens in loadURLState...
function hashChangeHandler(e){ function hashChangeHandler(e){
e.preventDefault() e.preventDefault()
var anchor = window.location.hash.split('#')[1]
// skip empty #URL...
if(anchor == ''){
return false
}
var r = loadURLState() var r = loadURLState()
var n = getPageNumber()
// for relative #URLs remove them from hash...
if(RELATIVE_URLS.indexOf(anchor) >= 0 && !UPDATE_HASH_URL_POSITION){
window.location.hash = ''
}
// if we are dealing with history actions the browser will // if we are dealing with history actions the browser will
// do the work for us... // do the work for us...
if(r == 'back'){ if(r == 'back'){
@ -127,7 +149,18 @@ function hashChangeHandler(e){
window.history.go(-2) window.history.go(-2)
} else if(r == 'forward'){ } else if(r == 'forward'){
window.history.go(2) window.history.go(2)
} else { } else if(r != n){
/* XXX this will put this into an endless loop...
* ...mainly because it changes the #URL from within the handler
if(!UPDATE_HASH_URL_POSITION){
// push current position...
// NOTE: this will enable partial history navigation, but only
// on actions envolving actual links...
window.history.pushState(null, null, '#' + getPageNumber())
}
*/
setCurrentPage(r) setCurrentPage(r)
} }
} }
@ -598,15 +631,9 @@ function prevBookmark(){
// $('[title="<magazine>"] [name="<name>"]') // $('[title="<magazine>"] [name="<name>"]')
// XXX BUG: if the hash url part coresponds to a real anchor the browser // XXX BUG: if the hash url part coresponds to a real anchor the browser
// shifts the page, need to disable this... // shifts the page, need to disable this...
var RELATIVE_URLS = [
'back', 'forward',
'next', 'prev',
'nextArticle', 'prevArticle',
'nextBookmark', 'prevBookmark',
'bookmark',
'hideLayers'
]
// URL state managers... // URL state managers...
// NOTE: loadURLState will have no side-effects on the URL, it will just
// get the state from the URL and return it.
function loadURLState(){ function loadURLState(){
if(window.location.hash == ''){ if(window.location.hash == ''){
return null return null
@ -617,11 +644,6 @@ function loadURLState(){
return n return n
} }
// for relative #URLs remove them from hash...
if(RELATIVE_URLS.indexOf(anchor) >= 0 && !UPDATE_HASH_URL_POSITION){
window.location.hash = ''
}
// XXX add real external aliases... // XXX add real external aliases...
if(anchor == 'thumbnails') { if(anchor == 'thumbnails') {
togglePageView('off') togglePageView('off')
@ -689,15 +711,10 @@ function loadURLState(){
.addClass('hidden') .addClass('hidden')
.removeClass('shown') .removeClass('shown')
} }
if(!UPDATE_HASH_URL_POSITION){
// push current position...
// NOTE: this will enable partial history navigation, but only
// on actions envolving actual links...
window.history.pushState(null, null, '#' + getPageNumber())
}
return n return n
} }
} }
// save current state to URL...
function saveURLState(){ function saveURLState(){
var anchor = window.location.hash.split('#')[1] var anchor = window.location.hash.split('#')[1]
var elem = $('[name='+anchor+']') var elem = $('[name='+anchor+']')