add klanviewer.js

This commit is contained in:
Andrey Kuvshinov
2020-05-21 19:43:20 +03:00
parent 9ec33612b8
commit 3105d57ba3
3 changed files with 151 additions and 1 deletions

View File

@@ -0,0 +1,149 @@
var pdfjsLib = window['pdfjs-dist/build/pdf'];
var pdfcanvas = "the-canvas";
var cnt = 100;
function prevclick(){
prevurl = prevlink + '/'+ scale;
location.href = prevurl;
return;
}
function nextclick(){
nexturl = nextlink + '/'+ scale;
location.href = nexturl;
return;
}
function pdfzoomin(){
scale += 0.25;
setzoom(scale);
renderPage();
}
function pdfzoomout(){
scale -= 0.25;
setzoom(scale);
renderPage();
}
function resize_plus(){
if (window.screen.width >= 560) {
cnt += 5;
}
else{
cnt += 20;
}
newpdfzoom(cnt);
}
function resize_minus(){
if (window.screen.width >= 560) {
cnt -= 5;
}
else{
cnt -= 20;
}
newpdfzoom(cnt);
}
function newpdfzoom(czoom){
var status = czoom+"%";
document.getElementById(pdfcanvas).style.width = status;
document.getElementById('zoomstatus_up').innerHTML = status;
//document.getElementById('zoomstatus_down').innerHTML = status;
setzoom('pdfscale', czoom);
}
function getzoom( name ){
var results = document.cookie.match ( '(^|;) ?' + name + '=([^;]*)(;|$)' );
if ( results ){
return parseFloat(unescape(results[2]));
}
else {
return null;
}
}
function setzoom( cname, cvalue, exdays = 30 ) {
var d = new Date();
d.setTime(d.getTime() + (exdays*24*60*60*1000));
var expires = "expires="+ d.toUTCString();
document.cookie = cname + "=" + cvalue + ";" + expires + ";path=/";
}
function startpdfviewer(newcurr){
pdcurr = getzoom('pdcurr');
if (pdcurr == newcurr){
czoom = getzoom('pdfscale');
if (czoom > 10) {
cnt = czoom;
newpdfzoom(czoom);
}
}
else {
setzoom('pdcurr', newcurr);
setzoom('pdfscale', 100);
}
}
function changepage(){
var e = document.getElementById("pages");
var currpage = e.options[e.selectedIndex].value;
var newpage = baseurl + currpage;
location.href = newpage;
return true;
}
function changeyear(){
var e = document.getElementById("year_filter");
var curryear = e.options[e.selectedIndex].value;
yearurl = '/mybooks/gazeta/';
if (curryear !== 'all')
yearurl = yearurl + curryear + '/1';
location.href = yearurl;
return true;
}