468 lines
14 KiB
JavaScript
468 lines
14 KiB
JavaScript
/*
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* Copyright (c) 2014
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*
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* This file is licensed under the Affero General Public License version 3
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* or later.
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*
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* See the COPYING-README file.
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*
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*/
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/* global getURLParameter */
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/**
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* Utility class for file related operations
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*/
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(function() {
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var Files = {
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// file space size sync
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_updateStorageStatistics: function(currentDir) {
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var state = Files.updateStorageStatistics;
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if (state.dir){
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if (state.dir === currentDir) {
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return;
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}
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// cancel previous call, as it was for another dir
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state.call.abort();
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}
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state.dir = currentDir;
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state.call = $.getJSON(OC.filePath('files','ajax','getstoragestats.php') + '?dir=' + encodeURIComponent(currentDir),function(response) {
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state.dir = null;
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state.call = null;
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Files.updateMaxUploadFilesize(response);
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});
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},
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/**
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* Update storage statistics such as free space, max upload,
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* etc based on the given directory.
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*
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* Note this function is debounced to avoid making too
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* many ajax calls in a row.
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*
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* @param dir directory
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* @param force whether to force retrieving
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*/
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updateStorageStatistics: function(dir, force) {
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if (!OC.currentUser) {
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return;
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}
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if (force) {
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Files._updateStorageStatistics(dir);
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}
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else {
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Files._updateStorageStatisticsDebounced(dir);
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}
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},
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updateMaxUploadFilesize:function(response) {
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if (response === undefined) {
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return;
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}
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if (response.data !== undefined && response.data.uploadMaxFilesize !== undefined) {
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$('#max_upload').val(response.data.uploadMaxFilesize);
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$('#free_space').val(response.data.freeSpace);
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$('#upload.button').attr('original-title', response.data.maxHumanFilesize);
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$('#usedSpacePercent').val(response.data.usedSpacePercent);
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Files.displayStorageWarnings();
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}
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if (response[0] === undefined) {
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return;
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}
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if (response[0].uploadMaxFilesize !== undefined) {
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$('#max_upload').val(response[0].uploadMaxFilesize);
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$('#upload.button').attr('original-title', response[0].maxHumanFilesize);
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$('#usedSpacePercent').val(response[0].usedSpacePercent);
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Files.displayStorageWarnings();
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}
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},
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/**
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* Fix path name by removing double slash at the beginning, if any
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*/
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fixPath: function(fileName) {
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if (fileName.substr(0, 2) == '//') {
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return fileName.substr(1);
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}
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return fileName;
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},
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/**
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* Checks whether the given file name is valid.
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* @param name file name to check
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* @return true if the file name is valid.
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* Throws a string exception with an error message if
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* the file name is not valid
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*/
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isFileNameValid: function (name) {
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var trimmedName = name.trim();
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if (trimmedName === '.' || trimmedName === '..')
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{
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throw t('files', '"{name}" is an invalid file name.', {name: name});
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} else if (trimmedName.length === 0) {
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throw t('files', 'File name cannot be empty.');
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}
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// check for invalid characters
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var invalidCharacters =
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['\\', '/', '<', '>', ':', '"', '|', '?', '*', '\n'];
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for (var i = 0; i < invalidCharacters.length; i++) {
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if (trimmedName.indexOf(invalidCharacters[i]) !== -1) {
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throw t('files', "Invalid name, '\\', '/', '<', '>', ':', '\"', '|', '?' and '*' are not allowed.");
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}
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}
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return true;
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},
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displayStorageWarnings: function() {
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if (!OC.Notification.isHidden()) {
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return;
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}
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var usedSpacePercent = $('#usedSpacePercent').val();
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if (usedSpacePercent > 98) {
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OC.Notification.show(t('files', 'Your storage is full, files can not be updated or synced anymore!'));
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return;
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}
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if (usedSpacePercent > 90) {
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OC.Notification.show(t('files', 'Your storage is almost full ({usedSpacePercent}%)',
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{usedSpacePercent: usedSpacePercent}));
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}
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},
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displayEncryptionWarning: function() {
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if (!OC.Notification.isHidden()) {
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return;
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}
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var encryptedFiles = $('#encryptedFiles').val();
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var initStatus = $('#encryptionInitStatus').val();
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if (initStatus === '0') { // enc not initialized, but should be
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OC.Notification.show(t('files', 'Encryption App is enabled but your keys are not initialized, please log-out and log-in again'));
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return;
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}
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if (initStatus === '1') { // encryption tried to init but failed
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OC.Notification.show(t('files', 'Invalid private key for Encryption App. Please update your private key password in your personal settings to recover access to your encrypted files.'));
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return;
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}
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if (encryptedFiles === '1') {
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OC.Notification.show(t('files', 'Encryption was disabled but your files are still encrypted. Please go to your personal settings to decrypt your files.'));
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return;
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}
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},
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/**
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* Returns the download URL of the given file(s)
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* @param filename string or array of file names to download
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* @param dir optional directory in which the file name is, defaults to the current directory
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*/
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getDownloadUrl: function(filename, dir) {
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if ($.isArray(filename)) {
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filename = JSON.stringify(filename);
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}
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var params = {
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dir: dir,
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files: filename
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};
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return this.getAjaxUrl('download', params);
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},
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/**
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* Returns the ajax URL for a given action
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* @param action action string
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* @param params optional params map
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*/
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getAjaxUrl: function(action, params) {
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var q = '';
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if (params) {
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q = '?' + OC.buildQueryString(params);
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}
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return OC.filePath('files', 'ajax', action + '.php') + q;
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},
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getMimeIcon: function(mime, ready) {
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if (Files.getMimeIcon.cache[mime]) {
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ready(Files.getMimeIcon.cache[mime]);
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} else {
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$.get( OC.filePath('files','ajax','mimeicon.php'), {mime: mime}, function(path) {
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if(OC.Util.hasSVGSupport()){
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path = path.substr(0, path.length-4) + '.svg';
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}
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Files.getMimeIcon.cache[mime]=path;
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ready(Files.getMimeIcon.cache[mime]);
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});
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}
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},
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/**
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* Generates a preview URL based on the URL space.
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* @param urlSpec attributes for the URL
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* @param {int} urlSpec.x width
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* @param {int} urlSpec.y height
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* @param {String} urlSpec.file path to the file
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* @return preview URL
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* @deprecated used OCA.Files.FileList.generatePreviewUrl instead
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*/
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generatePreviewUrl: function(urlSpec) {
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console.warn('DEPRECATED: please use generatePreviewUrl() from an OCA.Files.FileList instance');
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return OCA.Files.App.fileList.generatePreviewUrl(urlSpec);
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},
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/**
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* Lazy load preview
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* @deprecated used OCA.Files.FileList.lazyLoadPreview instead
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*/
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lazyLoadPreview : function(path, mime, ready, width, height, etag) {
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console.warn('DEPRECATED: please use lazyLoadPreview() from an OCA.Files.FileList instance');
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return OCA.Files.App.fileList.lazyLoadPreview({
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path: path,
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mime: mime,
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callback: ready,
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width: width,
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height: height,
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etag: etag
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});
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},
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/**
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* Initialize the files view
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*/
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initialize: function() {
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Files.getMimeIcon.cache = {};
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Files.displayEncryptionWarning();
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Files.bindKeyboardShortcuts(document, $);
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// TODO: move file list related code (upload) to OCA.Files.FileList
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$('#file_action_panel').attr('activeAction', false);
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// Triggers invisible file input
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$('#upload a').on('click', function() {
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$(this).parent().children('#file_upload_start').trigger('click');
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return false;
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});
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// Trigger cancelling of file upload
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$('#uploadprogresswrapper .stop').on('click', function() {
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OC.Upload.cancelUploads();
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});
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// drag&drop support using jquery.fileupload
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// TODO use OC.dialogs
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$(document).bind('drop dragover', function (e) {
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e.preventDefault(); // prevent browser from doing anything, if file isn't dropped in dropZone
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});
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//do a background scan if needed
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scanFiles();
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// display storage warnings
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setTimeout(Files.displayStorageWarnings, 100);
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OC.Notification.setDefault(Files.displayStorageWarnings);
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// only possible at the moment if user is logged in or the files app is loaded
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if (OC.currentUser && OCA.Files.App) {
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// start on load - we ask the server every 5 minutes
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var func = _.bind(OCA.Files.App.fileList.updateStorageStatistics, OCA.Files.App.fileList);
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var updateStorageStatisticsInterval = 5*60*1000;
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var updateStorageStatisticsIntervalId = setInterval(func, updateStorageStatisticsInterval);
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// TODO: this should also stop when switching to another view
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// Use jquery-visibility to de-/re-activate file stats sync
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if ($.support.pageVisibility) {
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$(document).on({
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'show.visibility': function() {
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if (!updateStorageStatisticsIntervalId) {
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updateStorageStatisticsIntervalId = setInterval(func, updateStorageStatisticsInterval);
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}
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},
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'hide.visibility': function() {
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clearInterval(updateStorageStatisticsIntervalId);
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updateStorageStatisticsIntervalId = 0;
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}
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});
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}
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}
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$('#webdavurl').on('click', function () {
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$('#webdavurl').select();
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});
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//FIXME scroll to and highlight preselected file
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/*
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if (getURLParameter('scrollto')) {
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FileList.scrollTo(getURLParameter('scrollto'));
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}
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*/
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}
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}
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Files._updateStorageStatisticsDebounced = _.debounce(Files._updateStorageStatistics, 250);
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OCA.Files.Files = Files;
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})();
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function scanFiles(force, dir, users) {
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if (!OC.currentUser) {
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return;
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}
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if (!dir) {
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dir = '';
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}
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force = !!force; //cast to bool
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scanFiles.scanning = true;
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var scannerEventSource;
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if (users) {
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var usersString;
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if (users === 'all') {
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usersString = users;
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} else {
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usersString = JSON.stringify(users);
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}
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scannerEventSource = new OC.EventSource(OC.filePath('files','ajax','scan.php'),{force: force,dir: dir, users: usersString});
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} else {
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scannerEventSource = new OC.EventSource(OC.filePath('files','ajax','scan.php'),{force: force,dir: dir});
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}
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scanFiles.cancel = scannerEventSource.close.bind(scannerEventSource);
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scannerEventSource.listen('count',function(count) {
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console.log(count + ' files scanned');
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});
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scannerEventSource.listen('folder',function(path) {
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console.log('now scanning ' + path);
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});
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scannerEventSource.listen('done',function(count) {
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scanFiles.scanning=false;
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console.log('done after ' + count + ' files');
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if (OCA.Files.App) {
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OCA.Files.App.fileList.updateStorageStatistics(true);
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}
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});
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scannerEventSource.listen('user',function(user) {
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console.log('scanning files for ' + user);
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});
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}
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scanFiles.scanning=false;
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// TODO: move to FileList
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var createDragShadow = function(event) {
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//select dragged file
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var FileList = OCA.Files.App.fileList;
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var isDragSelected = $(event.target).parents('tr').find('td input:first').prop('checked');
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if (!isDragSelected) {
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//select dragged file
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FileList._selectFileEl($(event.target).parents('tr:first'), true);
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}
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// do not show drag shadow for too many files
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var selectedFiles = _.first(FileList.getSelectedFiles(), FileList.pageSize());
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selectedFiles = _.sortBy(selectedFiles, FileList._fileInfoCompare);
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if (!isDragSelected && selectedFiles.length === 1) {
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//revert the selection
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FileList._selectFileEl($(event.target).parents('tr:first'), false);
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}
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// build dragshadow
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var dragshadow = $('<table class="dragshadow"></table>');
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var tbody = $('<tbody></tbody>');
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dragshadow.append(tbody);
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var dir = FileList.getCurrentDirectory();
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$(selectedFiles).each(function(i,elem) {
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// TODO: refactor this with the table row creation code
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var newtr = $('<tr/>')
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.attr('data-dir', dir)
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.attr('data-file', elem.name)
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.attr('data-origin', elem.origin);
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newtr.append($('<td class="filename" />').text(elem.name).css('background-size', 32));
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newtr.append($('<td class="size" />').text(OC.Util.humanFileSize(elem.size)));
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tbody.append(newtr);
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if (elem.type === 'dir') {
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newtr.find('td.filename')
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.css('background-image', 'url(' + OC.imagePath('core', 'filetypes/folder.png') + ')');
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} else {
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var path = dir + '/' + elem.name;
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OCA.Files.App.files.lazyLoadPreview(path, elem.mime, function(previewpath) {
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newtr.find('td.filename')
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.css('background-image', 'url(' + previewpath + ')');
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}, null, null, elem.etag);
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}
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});
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return dragshadow;
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};
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//options for file drag/drop
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//start&stop handlers needs some cleaning up
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// TODO: move to FileList class
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var dragOptions={
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revert: 'invalid',
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revertDuration: 300,
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opacity: 0.7,
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zIndex: 100,
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appendTo: 'body',
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cursorAt: { left: 24, top: 18 },
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helper: createDragShadow,
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cursor: 'move',
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start: function(event, ui){
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var $selectedFiles = $('td.filename input:checkbox:checked');
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if($selectedFiles.length > 1){
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$selectedFiles.parents('tr').fadeTo(250, 0.2);
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}
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else{
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$(this).fadeTo(250, 0.2);
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}
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},
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stop: function(event, ui) {
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var $selectedFiles = $('td.filename input:checkbox:checked');
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if($selectedFiles.length > 1){
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$selectedFiles.parents('tr').fadeTo(250, 1);
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}
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else{
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$(this).fadeTo(250, 1);
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}
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$('#fileList tr td.filename').addClass('ui-draggable');
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}
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};
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// sane browsers support using the distance option
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if ( $('html.ie').length === 0) {
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dragOptions['distance'] = 20;
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}
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// TODO: move to FileList class
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var folderDropOptions = {
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hoverClass: "canDrop",
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drop: function( event, ui ) {
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// don't allow moving a file into a selected folder
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var FileList = OCA.Files.App.fileList;
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if ($(event.target).parents('tr').find('td input:first').prop('checked') === true) {
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return false;
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}
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var $tr = $(this).closest('tr');
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if (($tr.data('permissions') & OC.PERMISSION_CREATE) === 0) {
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FileList._showPermissionDeniedNotification();
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return false;
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}
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var targetPath = FileList.getCurrentDirectory() + '/' + $tr.data('file');
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var files = FileList.getSelectedFiles();
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if (files.length === 0) {
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// single one selected without checkbox?
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files = _.map(ui.helper.find('tr'), FileList.elementToFile);
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}
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FileList.move(_.pluck(files, 'name'), targetPath);
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},
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tolerance: 'pointer'
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};
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// override core's fileDownloadPath (legacy)
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function fileDownloadPath(dir, file) {
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return OCA.Files.Files.getDownloadUrl(file, dir);
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}
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// for backward compatibility
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window.Files = OCA.Files.Files;
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