chamilo-lms2/main/inc/lib/javascript/ViewerJS/viewer.js

function Viewer(c){function M(){var a,b,A,d,f;c&&(A=c.getPluginName(),d=c.getPluginVersion(),f=c.getPluginURL());a=document.createElement("div");a.id="aboutDialogCentererTable";b=document.createElement("div");b.id="aboutDialogCentererCell";n=document.createElement("div");n.id="aboutDialog";n.innerHTML='<h1>ViewerJS</h1><p>Open Source document viewer for webpages, built with HTML and JavaScript.</p><p>Learn more and get your own copy on the <a href="http://viewerjs.org/" target="_blank">ViewerJS website</a>.</p>'+
(c?'<p>Using the <a href = "'+f+'" target="_blank">'+A+'</a> (<span id = "pluginVersion">'+d+"</span>) plugin to show you this document.</p>":"")+'<p>Supported by <a href="http://nlnet.nl" target="_blank"><br><img src="images/nlnet.png" width="160" height="60" alt="NLnet Foundation"></a></p><p>Made by <a href="http://kogmbh.com" target="_blank"><br><img src="images/kogmbh.png" width="172" height="40" alt="KO GmbH"></a></p><button id = "aboutDialogCloseButton" class = "toolbarButton textButton">Close</button>';
u.appendChild(a);a.appendChild(b);b.appendChild(n);a=document.createElement("button");a.id="about";a.className="toolbarButton textButton about";a.title="About";a.innerHTML="ViewerJS";N.appendChild(a);a.addEventListener("click",function(){u.style.display="block"});document.getElementById("aboutDialogCloseButton").addEventListener("click",function(){u.style.display="none"})}function B(a){var b=O.options,c,d=!1,f;for(f=0;f<b.length;f+=1)c=b[f],c.value!==a?c.selected=!1:d=c.selected=!0;return d}function C(a,
c,d){a!==b.getZoomLevel()&&(b.setZoomLevel(a),d=document.createEvent("UIEvents"),d.initUIEvent("scalechange",!1,!1,window,0),d.scale=a,d.resetAutoSettings=c,window.dispatchEvent(d))}function D(){var a;if(c.onScroll)c.onScroll();c.getPageInView&&(a=c.getPageInView())&&(k=a,document.getElementById("pageNumber").value=a)}function E(a){window.clearTimeout(F);F=window.setTimeout(function(){D()},a)}function e(a,b,g){var e,f;if(e="custom"===a?parseFloat(document.getElementById("customScaleOption").textContent)/
100:parseFloat(a))C(e,!0,g);else{e=d.clientWidth-p;f=d.clientHeight-p;switch(a){case "page-actual":C(1,b,g);break;case "page-width":c.fitToWidth(e);break;case "page-height":c.fitToHeight(f);break;case "page-fit":c.fitToPage(e,f);break;case "auto":c.isSlideshow()?c.fitToPage(e+p,f+p):c.fitSmart(e)}B(a)}E(300)}function q(){l=!l;r&&!l&&b.togglePresentationMode()}function v(){s&&(w.className="viewer-touched",window.clearTimeout(G),G=window.setTimeout(function(){w.className=""},5E3))}function x(){h.classList.add("viewer-touched");
m.classList.add("viewer-touched");window.clearTimeout(H);H=window.setTimeout(function(){I()},5E3)}function I(){h.classList.remove("viewer-touched");m.classList.remove("viewer-touched")}function P(){h.classList.contains("viewer-touched")?I():x()}var b=this,p=40,r=!1,l=!1,J=!1,s=!1,y,g=document.getElementById("viewer"),d=document.getElementById("canvasContainer"),w=document.getElementById("overlayNavigator"),h=document.getElementById("titlebar"),m=document.getElementById("toolbarContainer"),K=document.getElementById("toolbarLeft"),
Q=document.getElementById("toolbarMiddleContainer"),O=document.getElementById("scaleSelect"),u=document.getElementById("dialogOverlay"),N=document.getElementById("toolbarRight"),n,L,t=[],k,F,G,H;this.initialize=function(){var a=String(document.location),z=a.indexOf("#"),a=a.substr(z+1);-1===z||0===a.length?console.log("Could not parse file path argument."):(y=a,L=y.replace(/^.*[\\\/]/,""),document.title=L,document.getElementById("documentName").innerHTML=document.title,c.onLoad=function(){document.getElementById("pluginVersion").innerHTML=
c.getPluginVersion();(s=c.isSlideshow())?(d.classList.add("slideshow"),K.style.visibility="visible"):(Q.style.visibility="visible",c.getPageInView&&(K.style.visibility="visible"));J=!0;t=c.getPages();document.getElementById("numPages").innerHTML="of "+t.length;b.showPage(1);e("auto");d.onscroll=D;E()},c.initialize(d,a))};this.showPage=function(a){0>=a?a=1:a>t.length&&(a=t.length);c.showPage(a);k=a;document.getElementById("pageNumber").value=k};this.showNextPage=function(){b.showPage(k+1)};this.showPreviousPage=
function(){b.showPage(k-1)};this.download=function(){var a=y.split("#")[0];window.open(a+"#viewer.action=download","_parent")};this.toggleFullScreen=function(){l?document.cancelFullScreen?document.cancelFullScreen():document.mozCancelFullScreen?document.mozCancelFullScreen():document.webkitCancelFullScreen?document.webkitCancelFullScreen():document.msExitFullscreen&&document.msExitFullscreen():g.requestFullScreen?g.requestFullScreen():g.mozRequestFullScreen?g.mozRequestFullScreen():g.webkitRequestFullScreen?
g.webkitRequestFullScreen():g.msRequestFullscreen&&g.msRequestFullscreen()};this.togglePresentationMode=function(){var a=document.getElementById("overlayCloseButton");r?(h.style.display=m.style.display="block",a.style.display="none",d.classList.remove("presentationMode"),d.onmouseup=function(){},d.oncontextmenu=function(){},d.onmousedown=function(){},e("auto"),s=c.isSlideshow()):(h.style.display=m.style.display="none",a.style.display="block",d.classList.add("presentationMode"),s=!0,d.onmousedown=
function(a){a.preventDefault()},d.oncontextmenu=function(a){a.preventDefault()},d.onmouseup=function(a){a.preventDefault();1===a.which?b.showNextPage():b.showPreviousPage()},e("page-fit"));r=!r};this.getZoomLevel=function(){return c.getZoomLevel()};this.setZoomLevel=function(a){c.setZoomLevel(a)};this.zoomOut=function(){var a=(b.getZoomLevel()/1.1).toFixed(2),a=Math.max(0.25,a);e(a,!0)};this.zoomIn=function(){var a=(1.1*b.getZoomLevel()).toFixed(2),a=Math.min(4,a);e(a,!0)};(function(){M();c&&(b.initialize(),
document.cancelFullScreen||document.mozCancelFullScreen||document.webkitCancelFullScreen||document.msExitFullscreen||(document.getElementById("fullscreen").style.visibility="hidden",document.getElementById("presentation").style.visibility="hidden"),document.getElementById("overlayCloseButton").addEventListener("click",b.toggleFullScreen),document.getElementById("fullscreen").addEventListener("click",b.toggleFullScreen),document.getElementById("presentation").addEventListener("click",function(){l||
b.toggleFullScreen();b.togglePresentationMode()}),document.addEventListener("fullscreenchange",q),document.addEventListener("webkitfullscreenchange",q),document.addEventListener("mozfullscreenchange",q),document.addEventListener("MSFullscreenChange",q),document.getElementById("download").addEventListener("click",function(){b.download()}),document.getElementById("zoomOut").addEventListener("click",function(){b.zoomOut()}),document.getElementById("zoomIn").addEventListener("click",function(){b.zoomIn()}),
document.getElementById("previous").addEventListener("click",function(){b.showPreviousPage()}),document.getElementById("next").addEventListener("click",function(){b.showNextPage()}),document.getElementById("previousPage").addEventListener("click",function(){b.showPreviousPage()}),document.getElementById("nextPage").addEventListener("click",function(){b.showNextPage()}),document.getElementById("pageNumber").addEventListener("change",function(){b.showPage(this.value)}),document.getElementById("scaleSelect").addEventListener("change",
function(){e(this.value)}),d.addEventListener("click",v),w.addEventListener("click",v),d.addEventListener("click",P),h.addEventListener("click",x),m.addEventListener("click",x),window.addEventListener("scalechange",function(a){var b=document.getElementById("customScaleOption"),c=B(String(a.scale));b.selected=!1;c||(b.textContent=Math.round(1E4*a.scale)/100+"%",b.selected=!0)},!0),window.addEventListener("resize",function(a){J&&(document.getElementById("pageWidthOption").selected||document.getElementById("pageAutoOption").selected)&&
e(document.getElementById("scaleSelect").value);v()}),window.addEventListener("keydown",function(a){var c=a.shiftKey;switch(a.keyCode){case 33:case 38:case 37:b.showPreviousPage();break;case 34:case 40:case 39:b.showNextPage();break;case 32:c?b.showPreviousPage():b.showNextPage()}}))})()};