515 lines
15 KiB
JavaScript
515 lines
15 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 OC, t, FileList */
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/* global getURLParameter */
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var Files = {
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// file space size sync
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_updateStorageStatistics: function() {
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Files._updateStorageStatisticsTimeout = null;
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var currentDir = FileList.getCurrentDirectory(),
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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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updateStorageStatistics: function(force) {
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if (!OC.currentUser) {
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return;
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}
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// debounce to prevent calling too often
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if (Files._updateStorageStatisticsTimeout) {
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clearTimeout(Files._updateStorageStatisticsTimeout);
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}
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if (force) {
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Files._updateStorageStatistics();
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}
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else {
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Files._updateStorageStatisticsTimeout = setTimeout(Files._updateStorageStatistics, 250);
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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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// TODO: move to FileList class
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setupDragAndDrop: function() {
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var $fileList = $('#fileList');
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//drag/drop of files
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$fileList.find('tr td.filename').each(function(i,e) {
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if ($(e).parent().data('permissions') & OC.PERMISSION_DELETE) {
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$(e).draggable(dragOptions);
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}
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});
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$fileList.find('tr[data-type="dir"] td.filename').each(function(i,e) {
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if ($(e).parent().data('permissions') & OC.PERMISSION_CREATE) {
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$(e).droppable(folderDropOptions);
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}
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});
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},
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/**
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* Returns the download URL of the given file(s)
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* @param filename string or array of file names to download
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* @param dir optional directory in which the file name is, defaults to the current directory
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*/
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getDownloadUrl: function(filename, dir) {
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if ($.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 || FileList.getCurrentDirectory(),
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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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};
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$(document).ready(function() {
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// FIXME: workaround for trashbin app
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if (window.trashBinApp) {
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return;
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}
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Files.displayEncryptionWarning();
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Files.bindKeyboardShortcuts(document, jQuery);
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Files.setupDragAndDrop();
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$('#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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$('#uploadprogresswrapper .stop').on('click', function() {
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OC.Upload.cancelUploads();
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FileList.updateSelectionSummary();
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});
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// Show trash bin
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$('#trash').on('click', function() {
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window.location=OC.filePath('files_trashbin', '', 'index.php');
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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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$(document).bind('drop dragover', function (e) {
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e.preventDefault(); // prevent browser from doing anything, if file isn't dropped in dropZone
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});
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//do a background scan if needed
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scanFiles();
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// display storage warnings
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setTimeout(Files.displayStorageWarnings, 100);
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OC.Notification.setDefault(Files.displayStorageWarnings);
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// only possible at the moment if user is logged in
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if (OC.currentUser) {
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// start on load - we ask the server every 5 minutes
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var updateStorageStatisticsInterval = 5*60*1000;
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var updateStorageStatisticsIntervalId = setInterval(Files.updateStorageStatistics, updateStorageStatisticsInterval);
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// Use jquery-visibility to de-/re-activate file stats sync
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if ($.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(Files.updateStorageStatistics, 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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//scroll to and highlight preselected file
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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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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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Files.updateStorageStatistics();
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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 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.sort(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 = $('<tbody></tbody>');
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dragshadow.append(tbody);
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var dir=$('#dir').val();
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$(selectedFiles).each(function(i,elem) {
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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/>').addClass('filename').text(elem.name));
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newtr.append($('<td/>').addClass('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').attr('style','background-image:url('+OC.imagePath('core', 'filetypes/folder.png')+')');
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} else {
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var path = getPathForPreview(elem.name);
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Files.lazyLoadPreview(path, elem.mime, function(previewpath) {
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newtr.find('td.filename').attr('style','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', revertDuration: 300,
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opacity: 0.7, zIndex: 100, appendTo: 'body', cursorAt: { left: 24, top: 18 },
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helper: createDragShadow, 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 ( $('html.ie').length === 0) {
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dragOptions['distance'] = 20;
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}
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// TODO: move to FileList class
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var folderDropOptions = {
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hoverClass: "canDrop",
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drop: function( event, ui ) {
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// don't allow moving a file into a selected folder
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if ($(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 targetPath = FileList.getCurrentDirectory() + '/' + $(this).closest('tr').data('file');
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var files = FileList.getSelectedFiles();
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if (files.length === 0) {
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// single one selected without checkbox?
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files = _.map(ui.helper.find('tr'), FileList.elementToFile);
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}
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FileList.move(_.pluck(files, 'name'), targetPath);
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},
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tolerance: 'pointer'
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};
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Files.getMimeIcon = function(mime, ready) {
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if (Files.getMimeIcon.cache[mime]) {
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ready(Files.getMimeIcon.cache[mime]);
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} else {
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$.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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Files.getMimeIcon.cache={};
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function getPathForPreview(name) {
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var path = $('#dir').val() + '/' + name;
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return path;
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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 map with {x: width, y: height, file: file path}
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* @return preview URL
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*/
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Files.generatePreviewUrl = function(urlSpec) {
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urlSpec = urlSpec || {};
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if (!urlSpec.x) {
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urlSpec.x = $('#filestable').data('preview-x');
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}
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if (!urlSpec.y) {
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urlSpec.y = $('#filestable').data('preview-y');
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}
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urlSpec.y *= window.devicePixelRatio;
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urlSpec.x *= window.devicePixelRatio;
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urlSpec.forceIcon = 0;
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return OC.generateUrl('/core/preview.png?') + $.param(urlSpec);
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};
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Files.lazyLoadPreview = function(path, mime, ready, width, height, etag) {
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// get mime icon url
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Files.getMimeIcon(mime, function(iconURL) {
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var previewURL,
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urlSpec = {};
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ready(iconURL); // set mimeicon URL
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urlSpec.file = Files.fixPath(path);
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if (etag){
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// use etag as cache buster
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urlSpec.c = etag;
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}
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else {
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console.warn('Files.lazyLoadPreview(): missing etag argument');
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}
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previewURL = Files.generatePreviewUrl(urlSpec);
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previewURL = previewURL.replace('(', '%28');
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previewURL = previewURL.replace(')', '%29');
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// preload image to prevent delay
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// this will make the browser cache the image
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var img = new Image();
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img.onload = function(){
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// if loading the preview image failed (no preview for the mimetype) then img.width will < 5
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if (img.width > 5) {
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ready(previewURL);
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}
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};
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img.src = previewURL;
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});
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};
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function getUniqueName(name) {
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if (FileList.findFileEl(name).exists()) {
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var numMatch;
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var parts=name.split('.');
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var extension = "";
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if (parts.length > 1) {
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extension=parts.pop();
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}
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var base=parts.join('.');
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numMatch=base.match(/\((\d+)\)/);
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var num=2;
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if (numMatch && numMatch.length>0) {
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num=parseInt(numMatch[numMatch.length-1])+1;
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base=base.split('(');
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base.pop();
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base=$.trim(base.join('('));
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}
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name=base+' ('+num+')';
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if (extension) {
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name = name+'.'+extension;
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}
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return getUniqueName(name);
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}
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return name;
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}
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function checkTrashStatus() {
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$.post(OC.filePath('files_trashbin', 'ajax', 'isEmpty.php'), function(result) {
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if (result.data.isEmpty === false) {
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$("input[type=button][id=trash]").removeAttr("disabled");
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}
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});
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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 Files.getDownloadUrl(file, dir);
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}
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