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define([
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'jquery',
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'/file/file-crypto.js',
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'/common/common-thumbnail.js',
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'/common/common-interface.js',
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'/common/common-util.js',
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'/customize/messages.js',
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'/bower_components/tweetnacl/nacl-fast.min.js',
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], function ($, FileCrypto, Thumb, UI, Util, Messages) {
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var Nacl = window.nacl;
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var module = {};
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var blobToArrayBuffer = function (blob, cb) {
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var reader = new FileReader();
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reader.onloadend = function () {
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cb(void 0, this.result);
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};
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reader.readAsArrayBuffer(blob);
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};
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module.uploadFile = function (common, data, cb) {
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var sframeChan = common.getSframeChannel();
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sframeChan.query('Q_UPLOAD_FILE', data, cb);
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};
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module.create = function (common, config) {
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var File = {};
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var queue = File.queue = {
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queue: [],
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inProgress: false
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};
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var uid = function () {
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return 'cp-fileupload-element-' + String(Math.random()).substring(2);
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};
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var $table = File.$table = $('<table>', { id: 'cp-fileupload-table' });
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var $thead = $('<tr>').appendTo($table);
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$('<td>').text(Messages.upload_name).appendTo($thead);
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$('<td>').text(Messages.upload_size).appendTo($thead);
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$('<td>').text(Messages.upload_progress).appendTo($thead);
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$('<td>').text(Messages.cancel).appendTo($thead);
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var createTableContainer = function ($body) {
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File.$container = $('<div>', { id: 'cp-fileupload' }).append($table).appendTo($body);
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return File.$container;
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};
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var getData = function (file, href) {
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var data = {};
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data.name = file.metadata.name;
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data.url = href;
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if (file.metadata.type.slice(0,6) === 'image/') {
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data.mediatag = true;
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}
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return data;
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};
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var sframeChan = common.getSframeChannel();
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var onError = $.noop,
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onComplete = $.noop,
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updateProgress = $.noop,
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onPending = $.noop;
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sframeChan.on('EV_FILE_UPLOAD_STATE', function (data) {
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if (data.error) {
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return void onError(data.error);
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}
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if (data.complete && data.href) {
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return void onComplete(data.href);
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}
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if (typeof data.progress !== "undefined") {
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return void updateProgress(data.progress);
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}
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});
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sframeChan.on('Q_CANCEL_PENDING_FILE_UPLOAD', function (data, cb) {
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onPending(cb);
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});
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var upload = function (file) {
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var blob = file.blob; // This is not a blob but an array buffer
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var u8 = new Uint8Array(blob);
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var metadata = file.metadata;
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var id = file.id;
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var dropEvent = file.dropEvent;
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delete file.dropEvent;
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if (dropEvent && dropEvent.path) { file.path = dropEvent.path; }
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if (queue.inProgress) { return; }
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queue.inProgress = true;
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var $row = $table.find('tr[id="'+id+'"]');
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$row.find('.cp-fileupload-table-cancel').html('-');
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var $pv = $row.find('.cp-fileupload-table-progress-value');
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var $pb = $row.find('.cp-fileupload-table-progress-container');
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var $pc = $row.find('.cp-fileupload-table-progress');
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var $link = $row.find('.cp-fileupload-table-link');
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updateProgress = function (progressValue) {
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$pv.text(Math.round(progressValue*100)/100 + '%');
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$pb.css({
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width: (progressValue/100)*$pc.width()+'px'
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});
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};
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onComplete = function (href) {
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var mdMgr = common.getMetadataMgr();
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var origin = mdMgr.getPrivateData().origin;
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$link.prepend($('<span>', {'class': 'fa fa-external-link'}));
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$link.attr('href', href)
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.click(function (e) {
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e.preventDefault();
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window.open(origin + $link.attr('href'), '_blank');
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});
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var title = metadata.name;
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UI.log(Messages._getKey('upload_success', [title]));
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common.prepareFeedback('upload')();
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if (config.onUploaded) {
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var data = getData(file, href);
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config.onUploaded(dropEvent, data);
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}
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queue.inProgress = false;
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queue.next();
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};
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onError = function (e) {
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queue.inProgress = false;
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queue.next();
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if (e === 'TOO_LARGE') {
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// TODO update table to say too big?
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return void UI.alert(Messages.upload_tooLarge);
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}
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if (e === 'NOT_ENOUGH_SPACE') {
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// TODO update table to say not enough space?
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return void UI.alert(Messages.upload_notEnoughSpace);
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}
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console.error(e);
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return void UI.alert(Messages.upload_serverError);
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};
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onPending = function (cb) {
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UI.confirm(Messages.upload_uploadPending, cb);
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};
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file.noStore = config.noStore;
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try {
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file.blob = Nacl.util.encodeBase64(u8);
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common.uploadFile(file, function () {
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console.log('Upload started...');
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});
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} catch (e) {
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UI.alert(Messages.upload_serverError);
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}
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};
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var prettySize = function (bytes) {
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var kB = Util.bytesToKilobytes(bytes);
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if (kB < 1024) { return kB + Messages.KB; }
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var mB = Util.bytesToMegabytes(bytes);
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return mB + Messages.MB;
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};
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queue.next = function () {
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if (queue.queue.length === 0) {
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queue.to = window.setTimeout(function () {
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if (config.keepTable) { return; }
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File.$container.fadeOut();
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}, 3000);
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return;
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}
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if (queue.inProgress) { return; }
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// setTimeout to fix a firefox error 'NS_ERROR_NOT_AVAILABLE'
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window.setTimeout(function () { File.$container.show(); });
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var file = queue.queue.shift();
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upload(file);
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};
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queue.push = function (obj) {
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var id = uid();
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obj.id = id;
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queue.queue.push(obj);
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// setTimeout to fix a firefox error 'NS_ERROR_NOT_AVAILABLE'
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window.setTimeout(function () { $table.show(); });
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var estimate = FileCrypto.computeEncryptedSize(obj.blob.byteLength, obj.metadata);
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var $progressBar = $('<div>', {'class':'cp-fileupload-table-progress-container'});
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var $progressValue = $('<span>', {'class':'cp-fileupload-table-progress-value'}).text(Messages.upload_pending);
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var $tr = $('<tr>', {id: id}).appendTo($table);
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var $cancel = $('<span>', {'class': 'cp-fileupload-table-cancel-button fa fa-times'}).click(function () {
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queue.queue = queue.queue.filter(function (el) { return el.id !== id; });
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$cancel.remove();
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$tr.find('.cp-fileupload-table-cancel').text('-');
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$tr.find('.cp-fileupload-table-progress-value').text(Messages.upload_cancelled);
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});
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var $link = $('<a>', {
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'class': 'cp-fileupload-table-link',
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'rel': 'noopener noreferrer'
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}).text(obj.metadata.name);
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$('<td>').append($link).appendTo($tr);
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$('<td>').text(prettySize(estimate)).appendTo($tr);
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$('<td>', {'class': 'cp-fileupload-table-progress'}).append($progressBar).append($progressValue).appendTo($tr);
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$('<td>', {'class': 'cp-fileupload-table-cancel'}).append($cancel).appendTo($tr);
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queue.next();
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};
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// Don't show the rename prompt if we don't want to store the file in the drive (avatar)
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var showNamePrompt = !config.noStore;
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var promptName = function (file, cb) {
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var extIdx = file.name.lastIndexOf('.');
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var name = extIdx !== -1 ? file.name.slice(0,extIdx) : file.name;
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var ext = extIdx !== -1 ? file.name.slice(extIdx) : "";
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var msg = Messages._getKey('upload_rename', [
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Util.fixHTML(file.name),
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Util.fixHTML(ext)
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]);
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UI.prompt(msg, name, function (newName) {
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if (newName === null) {
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showNamePrompt = false;
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return void cb (file.name);
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}
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if (!newName || !newName.trim()) { return void cb (file.name); }
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var newExtIdx = newName.lastIndexOf('.');
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var newExt = newExtIdx !== -1 ? newName.slice(newExtIdx) : "";
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if (newExt !== ext) { newName += ext; }
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cb(newName);
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}, {cancel: Messages.doNotAskAgain}, true);
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};
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var handleFileState = {
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queue: [],
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inProgress: false
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};
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var handleFile = File.handleFile = function (file, e) {
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//if (handleFileState.inProgress) { return void handleFileState.queue.push(file); }
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handleFileState.inProgress = true;
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var thumb;
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var file_arraybuffer;
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var name = file.name;
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var finish = function () {
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var metadata = {
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name: name,
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type: file.type,
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};
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if (thumb) { metadata.thumbnail = thumb; }
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queue.push({
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blob: file_arraybuffer,
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metadata: metadata,
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dropEvent: e
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});
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handleFileState.inProgress = false;
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if (handleFileState.queue.length) { handleFile(handleFileState.queue.shift()); }
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};
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var getName = function () {
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if (!showNamePrompt) { return void finish(); }
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promptName(file, function (newName) {
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name = newName;
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finish();
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});
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};
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blobToArrayBuffer(file, function (e, buffer) {
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if (e) { console.error(e); }
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file_arraybuffer = buffer;
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if (!Thumb.isSupportedType(file.type)) { return getName(); }
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// make a resized thumbnail from the image..
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Thumb.fromBlob(file, function (e, thumb64) {
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if (e) { console.error(e); }
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if (!thumb64) { return getName(); }
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thumb = thumb64;
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getName();
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});
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});
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};
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var onFileDrop = File.onFileDrop = function (file, e) {
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if (!common.isLoggedIn()) {
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return UI.alert(common.Messages.upload_mustLogin);
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}
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Array.prototype.slice.call(file).forEach(function (d) {
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handleFile(d, e);
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});
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};
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var createAreaHandlers = File.createDropArea = function ($area, $hoverArea) {
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var counter = 0;
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if (!$hoverArea) { $hoverArea = $area; }
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if (!$area) { return; }
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$hoverArea
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.on('dragenter', function (e) {
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e.preventDefault();
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e.stopPropagation();
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counter++;
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$hoverArea.addClass('cp-fileupload-hovering');
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})
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.on('dragleave', function (e) {
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e.preventDefault();
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e.stopPropagation();
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counter--;
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if (counter <= 0) {
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$hoverArea.removeClass('cp-fileupload-hovering');
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}
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});
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$area
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.on('drag dragstart dragend dragover drop dragenter dragleave', function (e) {
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e.preventDefault();
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e.stopPropagation();
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})
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.on('drop', function (e) {
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e.stopPropagation();
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var dropped = e.originalEvent.dataTransfer.files;
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counter = 0;
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$hoverArea.removeClass('cp-fileupload-hovering');
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onFileDrop(dropped, e);
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});
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};
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var createCkeditorDropHandler = function () {
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var editor = config.ckeditor;
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editor.document.on('drop', function (ev) {
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var dropped = ev.data.$.dataTransfer.files;
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onFileDrop(dropped, ev);
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ev.data.preventDefault(true);
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});
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};
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var createUploader = function ($area, $hover, $body) {
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if (!config.noHandlers) {
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if (config.ckeditor) {
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createCkeditorDropHandler();
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} else {
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createAreaHandlers($area, null);
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}
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}
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createTableContainer($body);
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};
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createUploader(config.dropArea, config.hoverArea, config.body);
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return File;
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};
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return module;
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});
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