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added fitting of pages...

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Signed-off-by: Alex A. Naanou <alex.nanou@gmail.com>
This commit is contained in:
Alex A. Naanou 2013-01-21 06:29:12 +04:00
parent 9b9c7deaf2
commit 92db9383a6
1 changed files with 22 additions and 7 deletions
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29
index.html
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@ -6,17 +6,27 @@
<script src="jquery.touchSwipe.js"></script> <script src="jquery.touchSwipe.js"></script>
<script> <script>
/* this is needed only for live resize... */
var PAGES_VISIBLE = 1
$(document).ready(function(){ $(document).ready(function(){
$(window).resize(function() {
fitNPages(PAGES_VISIBLE)
})
$('.viewer') $('.viewer')
.swipe({ .swipe({
//swipeLeft: nextPage, //swipeLeft: nextPage,
//swipeRight: prevPage, //swipeRight: prevPage,
swipeStatus: swipeUpdate, swipeStatus: swipeUpdate,
// XXX change this to pinch... // XXX change this to pinch...
swipeUp: function(){fitNPages(6)}, swipeUp: function(){
PAGES_VISIBLE = 6
fitNPages(PAGES_VISIBLE)
},
// XXX change this to pinch... // XXX change this to pinch...
swipeDown: function(){ swipeDown: function(){
fitNPages(1) PAGES_VISIBLE = 1
fitNPages(PAGES_VISIBLE)
// to prevent drag while zooming to affect // to prevent drag while zooming to affect
// the resulting position set it to current // the resulting position set it to current
// page... // page...
@ -32,7 +42,8 @@ $(document).ready(function(){
// XXX add splash screen... // XXX add splash screen...
fitNPages(1) fitNPages(PAGES_VISIBLE)
}) })
function swipeUpdate(evt, phase, direction, distance){ function swipeUpdate(evt, phase, direction, distance){
@ -74,14 +85,13 @@ function swipeUpdate(evt, phase, direction, distance){
function setCurrentPage(n){ function setCurrentPage(n){
var cur
if(n == null){ if(n == null){
cur = $('.current.page') var cur = $('.current.page')
n = $('.page').index(cur) n = $('.page').index(cur)
} else if(typeof(n) == typeof(1)) { } else if(typeof(n) == typeof(1)) {
cur = $($('.page')[n]) var cur = $($('.page')[n])
} else { } else {
cur = n var cur = $(n)
n = $('.page').index(cur) n = $('.page').index(cur)
} }
@ -191,6 +201,11 @@ function fitNPages(n){
var pages = $('.page') var pages = $('.page')
var scale = $('.viewer').width()/(pages.width()*n) var scale = $('.viewer').width()/(pages.width()*n)
// fit vertically if needed...
if(pages.height()*scale > $('.viewer').height()){
scale = $('.viewer').height()/pages.height()
}
setElementScale($('.scaler'), scale) setElementScale($('.scaler'), scale)
} }