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Reduce future changes to the javascript code of the download page
Drop unnecessary code used in other pages Load download links from links already on the page
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,113 @@ | ||
| // This file is licensed under the MIT License (MIT) available on | ||
| // http://opensource.org/licenses/MIT. | ||
|
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| // This file should be used only for javascript code | ||
| // necessary for all pages to work properly. | ||
|
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||
| function addEvent(a, b, c) { | ||
| // Attach event to a DOM node. | ||
| // Ex. addEvent(node,'click',function); | ||
| return (a.addEventListener) ? a.addEventListener(b, c, false) : (a.attachEvent) ? a.attachEvent('on' + b, c) : false; | ||
| } | ||
|
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| function removeEvent(a, b, c) { | ||
| // Detach event from a DOM node. | ||
| // Ex. removeEvent(node,'click',function); | ||
| return (a.removeEventListener) ? a.removeEventListener(b, c, false) : (a.detachEvent) ? a.detachEvent('on' + b, c) : false; | ||
| } | ||
|
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||
| function cancelEvent(e) { | ||
| // Cancel current event. | ||
| // Ex. cancelEvent(event); | ||
| if (!e) var e = window.event; | ||
| (e.preventDefault) ? e.preventDefault() : e.returnValue = false; | ||
| } | ||
|
|
||
| function getEventTarget(e) { | ||
| // Return target DOM node on which the event is triggered. | ||
| // Ex. getEventTarget(event); | ||
| if (!e) var e = window.event; | ||
| return (e.target && e.target.nodeType == 3) ? e.target.parentNode : (e.target) ? e.target : e.srcElement; | ||
| } | ||
|
|
||
| function getStyle(a, b) { | ||
| // Return the value of the computed style on a DOM node. | ||
| // Ex. getStyle(node,'padding-bottom'); | ||
| if (window.getComputedStyle) return document.defaultView.getComputedStyle(a, null).getPropertyValue(b); | ||
| var n = b.indexOf('-'); | ||
| if (n !== -1) b = b.substr(0, n) + b.substr(n + 1, 1).toUpperCase() + b.substr(n + 2); | ||
| return a.currentStyle[b]; | ||
| } | ||
|
|
||
| function addClass(node, data) { | ||
| // Add class to node. | ||
| var cl = node.className.split(' '); | ||
| for (var i = 0, n = cl.length; i < n; i++) { | ||
| if (cl[i] == data) return; | ||
| } | ||
| cl.push(data); | ||
| node.className = cl.join(' '); | ||
| } | ||
|
|
||
| function removeClass(node, data) { | ||
| // Remove class from node. | ||
| var ocl = node.className.split(' '); | ||
| var ncl = []; | ||
| for (var i = 0, n = ocl.length; i < n; i++) { | ||
| if (ocl[i] != data) ncl.push(ocl[i]); | ||
| } | ||
| node.className = ncl.join(' '); | ||
| } | ||
|
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||
| function supportsSVG() { | ||
| // Return true if the browser supports SVG. | ||
| // Ex. if(!supportsSVG()){..apply png fallback..} | ||
| // Old FF 3.5 and Safari 3 versions have svg support, but a very poor one | ||
| // http://www.w3.org/TR/SVG11/feature#Image Defeat FF 3.5 only | ||
| // http://www.w3.org/TR/SVG11/feature#Animation Defeat Saf 3 but also returns false in IE9 | ||
| // http://www.w3.org/TR/SVG11/feature#BasicGraphicsAttribute Defeat Saf 3 but also returns false in Chrome and safari4 | ||
| // http://www.w3.org/TR/SVG11/feature#Text Defeat Saf 3 but also returns false in FF and safari4 | ||
| if (!document.createElementNS || !document.createElementNS('http://www.w3.org/2000/svg', 'svg').createSVGRect) return false; | ||
| if (!document.implementation.hasFeature("http://www.w3.org/TR/SVG11/feature#Image", "1.1")) return false; | ||
| if (!document.implementation.hasFeature("http://www.w3.org/TR/SVG11/feature#BasicGraphicsAttribute", "1.1") && !document.implementation.hasFeature("http://www.w3.org/TR/SVG11/feature#Animation", "1.1") && !document.implementation.hasFeature("http://www.w3.org/TR/SVG11/feature#Text", "1.1")) return false; | ||
| return true; | ||
| } | ||
|
|
||
| function fallbackSVG() { | ||
| // Replace all images extensions from .svg to .png if browser doesn't support SVG files. | ||
| if (supportsSVG()) return; | ||
| for (var i = 0, nd = document.getElementsByTagName('*'), n = nd.length; i < n; i++) { | ||
| if (nd[i].nodeName == 'IMG' && /.*\.svg$/.test(nd[i].src)) nd[i].src = nd[i].src.slice(0, -3) + 'png'; | ||
| if (/\.svg/.test(getStyle(nd[i], 'background-image'))) nd[i].style.backgroundImage = getStyle(nd[i], 'background-image').replace('.svg', '.png'); | ||
| if (/\.svg/.test(getStyle(nd[i], 'background'))) nd[i].style.background = getStyle(nd[i], 'background').replace('.svg', '.png'); | ||
| } | ||
| } | ||
|
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||
| function mobileMenuShow(e) { | ||
| // Show the mobile menu when the visitors touch the menu icon. | ||
| var mm = document.getElementById('menusimple'); | ||
| var ml = document.getElementById('langselect'); | ||
| var t = document.getElementById('menumobile'); | ||
| mm.style.display = ml.style.display = (mm.style.display == 'block') ? '' : 'block'; | ||
| t.parentNode.removeChild(t); | ||
| cancelEvent(e); | ||
| } | ||
|
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||
| function mobileMenuHover(e) { | ||
| // Add a delay before hiding menu for mobiles to prevent accidental clicks. | ||
| var p = t = getEventTarget(e); | ||
| if (t.nodeName != 'A') return; | ||
| while (p.parentNode.nodeName != 'DIV') p = p.parentNode; | ||
| while (t.nodeName != 'LI' || t.parentNode != p) t = t.parentNode; | ||
| var ul = null; | ||
| if (t.getElementsByTagName('UL').length > 0) { | ||
| var ul = t.getElementsByTagName('UL')[0]; | ||
| addClass(ul, 'hover'); | ||
| } | ||
| setTimeout(function() { | ||
| for (var i = 0, nd = p.getElementsByTagName('UL'), n = nd.length; i < n; i++) { | ||
| if (nd[i] == ul) continue; | ||
| removeClass(nd[i], 'hover'); | ||
| } | ||
| }, 1); | ||
| } |
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