103 lines
3 KiB
JavaScript
103 lines
3 KiB
JavaScript
var createXHR = function() {
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if('all' in document && !('atob' in window) && 'XDomainRequest' in window)
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return new XDomainRequest;
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if('XMLHttpRequest' in window)
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return new XMLHttpRequest;
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if('ActiveXObject' in window)
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try {
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return new ActiveXObject('Msxml2.XMLHTTP');
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} catch(e) {
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try {
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return new ActiveXObject('Microsoft.XMLHTTP');
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} catch(e) {}
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}
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throw 'no impl';
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}
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var getRemoteString = function(url, callback) {
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try {
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var xhr = createXHR();
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xhr.onload = function(ev) {
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callback({ success: true, info: ev, text: xhr.responseText });
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};
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xhr.onerror = function(ev) {
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callback({ success: false, info: ev });
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};
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xhr.open('GET', url);
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xhr.send();
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} catch(ex) {
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callback({ success: false, info: ex });
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}
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};
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var copyTextInElement = function(target, skipClipboardAPI) {
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if(!skipClipboardAPI && 'clipboard' in navigator) {
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// for some reason I'm supporting IE8 with this and it gets mad over the catch keyword...
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navigator.clipboard.writeText(target.textContent)['catch'](function(ex) {
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copyTextInElement(target, true);
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});
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return;
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}
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if('execCommand' in document) {
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if('createTextRange' in document.body) { // MSIE
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var range = document.body.createTextRange();
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range.moveToElementText(target);
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range.select();
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} else if('getSelection' in window) { // Mozilla
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var select = window.getSelection();
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var range = document.createRange();
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range.selectNodeContents(target);
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select.removeAllRanges();
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select.addRange(range);
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} else return;
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document.execCommand('copy');
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return;
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}
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};
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(function() {
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var fields = document.querySelectorAll('.js-address');
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for(var i = 0; i < fields.length; ++i)
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(function(field) {
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var valueField = field.querySelector('.js-address-value');
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if(valueField === null)
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return;
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var setValueField = function(text) {
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valueField['textContent' in valueField ? 'textContent' : 'innerText'] = text;
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};
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setValueField('loading...');
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var subdomain = field.getAttribute('data-subdomain');
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if(typeof subdomain !== 'string')
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return;
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var copyButton = field.querySelector('.js-address-copy');
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var host = location.host.split('.');
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host[0] = subdomain;
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var url = location.protocol + '//' + host.join('.') + '/';
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getRemoteString(url, function(info) {
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if(!info.success) {
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setValueField('not available');
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return;
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}
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setValueField(info.text);
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if(copyButton)
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copyButton.onclick = function() { copyTextInElement(valueField); };
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});
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})(fields[i]);
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})();
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