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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* Javascript library for enableing a drag and drop upload interface
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*
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* @package moodlecore
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* @subpackage form
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* @copyright 2011 Davo Smith
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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M.form_dndupload = {}
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M.form_dndupload.init = function(Y, options) {
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var dnduploadhelper = {
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// YUI object.
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Y: null,
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// URL for upload requests
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url: M.cfg.wwwroot + '/repository/repository_ajax.php?action=upload',
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// options may include: itemid, acceptedtypes, maxfiles, maxbytes, clientid, repositoryid, author, contextid
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options: {},
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// itemid used for repository upload
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itemid: null,
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// accepted filetypes accepted by this form passed to repository
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acceptedtypes: [],
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// maximum size of files allowed in this form
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maxbytes: 0,
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// Maximum combined size of files allowed in this form. {@link FILE_AREA_MAX_BYTES_UNLIMITED}
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areamaxbytes: -1,
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// unqiue id of this form field used for html elements
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clientid: '',
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// upload repository id, used for upload
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repositoryid: 0,
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// container which holds the node which recieves drag events
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container: null,
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// filemanager element we are working with
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filemanager: null,
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// callback to filepicker element to refesh when uploaded
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callback: null,
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// Nasty hack to distinguish between dragenter(first entry),
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// dragenter+dragleave(moving between child elements) and dragleave (leaving element)
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entercount: 0,
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pageentercount: 0,
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// Holds the progress bar elements for each file.
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progressbars: {},
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// Number of request in queue and number of request uploading.
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totalOfRequest: 0,
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// Number of request upload.
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numberOfRequestUpload: 0,
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/**
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* Initalise the drag and drop upload interface
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* Note: one and only one of options.filemanager and options.formcallback must be defined
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*
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* @param Y the YUI object
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* @param object options {
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* itemid: itemid used for repository upload in this form
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* acceptdtypes: accepted filetypes by this form
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* maxfiles: maximum number of files this form allows
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* maxbytes: maximum size of files allowed in this form
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* areamaxbytes: maximum combined size of files allowed in this form
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* clientid: unqiue id of this form field used for html elements
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* contextid: id of the current cotnext
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* containerid: htmlid of container
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* repositories: array of repository objects passed from filepicker
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* filemanager: filemanager element we are working with
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* formcallback: callback to filepicker element to refesh when uploaded
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* }
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*/
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init: function(Y, options) {
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this.Y = Y;
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if (!this.browser_supported()) {
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Y.one('body').addClass('dndnotsupported');
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return; // Browser does not support the required functionality
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}
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// try and retrieve enabled upload repository
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this.repositoryid = this.get_upload_repositoryid(options.repositories);
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if (!this.repositoryid) {
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Y.one('body').addClass('dndnotsupported');
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return; // no upload repository is enabled to upload to
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}
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Y.one('body').addClass('dndsupported');
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this.options = options;
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this.acceptedtypes = options.acceptedtypes;
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this.clientid = options.clientid;
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this.maxbytes = options.maxbytes;
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this.areamaxbytes = options.areamaxbytes;
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this.itemid = options.itemid;
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this.author = options.author;
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this.container = this.Y.one('#'+options.containerid);
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if (options.filemanager) {
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// Needed to tell the filemanager to redraw when files uploaded
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// and to check how many files are already uploaded
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this.filemanager = options.filemanager;
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} else if (options.formcallback) {
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// Needed to tell the filepicker to update when a new
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// file is uploaded
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this.callback = options.formcallback;
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} else {
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if (M.cfg.developerdebug) {
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alert('dndupload: Need to define either options.filemanager or options.formcallback');
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}
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return;
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}
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this.init_events();
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this.init_page_events();
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},
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/**
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* Check the browser has the required functionality
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* @return true if browser supports drag/drop upload
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*/
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browser_supported: function() {
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if (typeof FileReader == 'undefined') {
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return false;
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}
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if (typeof FormData == 'undefined') {
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return false;
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}
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return true;
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},
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/**
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* Get upload repoistory from array of enabled repositories
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*
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* @param array repositories repository objects passed from filepicker
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* @param returns int id of upload repository or false if not found
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*/
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get_upload_repositoryid: function(repositories) {
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for (var i in repositories) {
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if (repositories[i].type == "upload") {
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return repositories[i].id;
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}
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}
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return false;
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},
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/**
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* Initialise drag events on node container, all events need
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* to be processed for drag and drop to work
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*/
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init_events: function() {
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this.Y.on('dragenter', this.drag_enter, this.container, this);
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this.Y.on('dragleave', this.drag_leave, this.container, this);
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this.Y.on('dragover', this.drag_over, this.container, this);
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this.Y.on('drop', this.drop, this.container, this);
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},
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/**
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* Initialise whole-page events (to show / hide the 'drop files here'
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* message)
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*/
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init_page_events: function() {
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this.Y.on('dragenter', this.drag_enter_page, 'body', this);
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this.Y.on('dragleave', this.drag_leave_page, 'body', this);
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this.Y.on('drop', function() {
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this.pageentercount = 0;
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this.hide_drop_target();
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}.bind(this));
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},
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/**
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* Check if the filemanager / filepicker is disabled
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* @return bool - true if disabled
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*/
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is_disabled: function() {
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return (this.container.ancestor('.fitem.disabled') != null);
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},
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/**
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* Show the 'drop files here' message when file(s) are dragged
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* onto the page
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*/
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drag_enter_page: function(e) {
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if (this.is_disabled()) {
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return false;
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}
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if (!this.has_files(e)) {
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return false;
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}
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this.pageentercount++;
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if (this.pageentercount >= 2) {
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this.pageentercount = 2;
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return false;
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}
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this.show_drop_target();
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return false;
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},
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/**
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* Hide the 'drop files here' message when file(s) are dragged off
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* the page again
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*/
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drag_leave_page: function(e) {
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this.pageentercount--;
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if (this.pageentercount == 1) {
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return false;
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}
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this.pageentercount = 0;
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this.hide_drop_target();
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return false;
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},
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/**
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* Check if the drag contents are valid and then call
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* preventdefault / stoppropagation to let the browser know
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* we will handle this drag/drop
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*
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* @param e event object
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* @return boolean true if a valid file drag event
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*/
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check_drag: function(e) {
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if (this.is_disabled()) {
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return false;
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}
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if (!this.has_files(e)) {
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return false;
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}
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e.preventDefault();
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e.stopPropagation();
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return true;
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},
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/**
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* Handle a dragenter event, highlight the destination node
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* when a suitable drag event occurs
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*/
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drag_enter: function(e) {
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if (!this.check_drag(e)) {
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return true;
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}
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this.entercount++;
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if (this.entercount >= 2) {
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this.entercount = 2; // Just moved over a child element - nothing to do
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return false;
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}
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// These lines are needed if the user has dragged something directly
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// from application onto the 'fileupload' box, without crossing another
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// part of the page first
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this.pageentercount = 2;
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this.show_drop_target();
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this.show_upload_ready();
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return false;
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},
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/**
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* Handle a dragleave event, Remove the highlight if dragged from
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* node
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*/
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drag_leave: function(e) {
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if (!this.check_drag(e)) {
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return true;
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}
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this.entercount--;
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if (this.entercount == 1) {
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return false; // Just moved over a child element - nothing to do
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}
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this.entercount = 0;
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this.hide_upload_ready();
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return false;
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},
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/**
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* Handle a dragover event. Required to intercept to prevent the browser from
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* handling the drag and drop event as normal
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*/
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drag_over: function(e) {
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if (!this.check_drag(e)) {
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return true;
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}
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return false;
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},
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/**
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* Handle a drop event. Remove the highlight and then upload each
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* of the files (until we reach the file limit, or run out of files)
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*/
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drop: function(e) {
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if (!this.check_drag(e, true)) {
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return true;
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}
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this.entercount = 0;
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this.pageentercount = 0;
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this.hide_upload_ready();
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this.hide_drop_target();
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var files = e._event.dataTransfer.files;
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if (this.filemanager) {
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var options = {
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files: files,
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options: this.options,
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repositoryid: this.repositoryid,
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currentfilecount: this.filemanager.filecount, // All files uploaded.
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currentfiles: this.filemanager.options.list, // Only the current folder.
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callback: Y.bind('update_filemanager', this),
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callbackprogress: Y.bind('update_progress', this),
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callbackcancel: Y.bind('hide_progress', this),
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callbackNumberOfRequestUpload: {
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get: Y.bind('getNumberOfRequestUpload', this),
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increase: Y.bind('increaseNumberOfRequestUpload', this),
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decrease: Y.bind('decreaseNumberOfRequestUpload', this),
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getTotal: Y.bind('getTotalRequestUpload', this),
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increaseTotal: Y.bind('increaseTotalRequest', this),
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reset: Y.bind('resetNumberOfRequestUpload', this)
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},
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callbackClearProgress: Y.bind('clear_progress', this),
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callbackStartProgress: Y.bind('startProgress', this),
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};
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this.show_progress();
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var uploader = new dnduploader(options);
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uploader.start_upload();
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} else {
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if (files.length >= 1) {
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options = {
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files:[files[0]],
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options: this.options,
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repositoryid: this.repositoryid,
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currentfilecount: 0,
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currentfiles: [],
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callback: Y.bind('update_filemanager', this),
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callbackprogress: Y.bind('update_progress', this),
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callbackcancel: Y.bind('hide_progress', this),
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callbackNumberOfRequestUpload: {
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get: Y.bind('getNumberOfRequestUpload', this),
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increase: Y.bind('increaseNumberOfRequestUpload', this),
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decrease: Y.bind('decreaseNumberOfRequestUpload', this),
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getTotal: Y.bind('getTotalRequestUpload', this),
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increaseTotal: Y.bind('increaseTotalRequest', this),
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reset: Y.bind('resetNumberOfRequestUpload', this)
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},
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callbackClearProgress: Y.bind('clear_progress', this),
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callbackStartProgress: Y.bind('startProgress', this),
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};
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this.show_progress();
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uploader = new dnduploader(options);
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uploader.start_upload();
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374 |
}
|
|
|
375 |
}
|
|
|
376 |
|
|
|
377 |
return false;
|
|
|
378 |
},
|
|
|
379 |
|
|
|
380 |
/**
|
|
|
381 |
* Increase number of request upload.
|
|
|
382 |
*/
|
|
|
383 |
increaseNumberOfRequestUpload: function() {
|
|
|
384 |
this.numberOfRequestUpload++;
|
|
|
385 |
},
|
|
|
386 |
|
|
|
387 |
/**
|
|
|
388 |
* Increase total request.
|
|
|
389 |
*
|
|
|
390 |
* @param {number} newFileCount Number of new files.
|
|
|
391 |
*/
|
|
|
392 |
increaseTotalRequest: function(newFileCount) {
|
|
|
393 |
this.totalOfRequest += newFileCount;
|
|
|
394 |
},
|
|
|
395 |
|
|
|
396 |
/**
|
|
|
397 |
* Decrease number of request upload.
|
|
|
398 |
*/
|
|
|
399 |
decreaseNumberOfRequestUpload: function() {
|
|
|
400 |
this.numberOfRequestUpload--;
|
|
|
401 |
},
|
|
|
402 |
|
|
|
403 |
/**
|
|
|
404 |
* Return number of request upload.
|
|
|
405 |
*
|
|
|
406 |
* @returns {number}
|
|
|
407 |
*/
|
|
|
408 |
getNumberOfRequestUpload: function() {
|
|
|
409 |
return this.numberOfRequestUpload;
|
|
|
410 |
},
|
|
|
411 |
|
|
|
412 |
/**
|
|
|
413 |
* Return number of request upload.
|
|
|
414 |
*
|
|
|
415 |
* @returns {number}
|
|
|
416 |
*/
|
|
|
417 |
getTotalRequestUpload: function() {
|
|
|
418 |
return this.totalOfRequest;
|
|
|
419 |
},
|
|
|
420 |
|
|
|
421 |
/**
|
|
|
422 |
* Return number of request upload.
|
|
|
423 |
*
|
|
|
424 |
* @returns {number}
|
|
|
425 |
*/
|
|
|
426 |
resetNumberOfRequestUpload: function() {
|
|
|
427 |
this.numberOfRequestUpload = 0;
|
|
|
428 |
this.totalOfRequest = 0;
|
|
|
429 |
},
|
|
|
430 |
|
|
|
431 |
/**
|
|
|
432 |
* Check to see if the drag event has any files in it
|
|
|
433 |
*
|
|
|
434 |
* @param e event object
|
|
|
435 |
* @return boolean true if event has files
|
|
|
436 |
*/
|
|
|
437 |
has_files: function(e) {
|
|
|
438 |
// In some browsers, dataTransfer.types may be null for a
|
|
|
439 |
// 'dragover' event, so ensure a valid Array is always
|
|
|
440 |
// inspected.
|
|
|
441 |
var types = e._event.dataTransfer.types || [];
|
|
|
442 |
for (var i=0; i<types.length; i++) {
|
|
|
443 |
if (types[i] == 'Files') {
|
|
|
444 |
return true;
|
|
|
445 |
}
|
|
|
446 |
}
|
|
|
447 |
return false;
|
|
|
448 |
},
|
|
|
449 |
|
|
|
450 |
/**
|
|
|
451 |
* Highlight the area where files could be dropped
|
|
|
452 |
*/
|
|
|
453 |
show_drop_target: function() {
|
|
|
454 |
this.container.addClass('dndupload-ready');
|
|
|
455 |
},
|
|
|
456 |
|
|
|
457 |
hide_drop_target: function() {
|
|
|
458 |
this.container.removeClass('dndupload-ready');
|
|
|
459 |
},
|
|
|
460 |
|
|
|
461 |
/**
|
|
|
462 |
* Highlight the destination node (ready to drop)
|
|
|
463 |
*/
|
|
|
464 |
show_upload_ready: function() {
|
|
|
465 |
this.container.addClass('dndupload-over');
|
|
|
466 |
},
|
|
|
467 |
|
|
|
468 |
/**
|
|
|
469 |
* Remove highlight on destination node
|
|
|
470 |
*/
|
|
|
471 |
hide_upload_ready: function() {
|
|
|
472 |
this.container.removeClass('dndupload-over');
|
|
|
473 |
},
|
|
|
474 |
|
|
|
475 |
/**
|
|
|
476 |
* Show the element showing the upload in progress
|
|
|
477 |
*/
|
|
|
478 |
show_progress: function() {
|
|
|
479 |
this.container.addClass('dndupload-inprogress');
|
|
|
480 |
},
|
|
|
481 |
|
|
|
482 |
/**
|
|
|
483 |
* Hide the element showing upload in progress
|
|
|
484 |
*/
|
|
|
485 |
hide_progress: function() {
|
|
|
486 |
if (!Object.keys(this.progressbars).length) {
|
|
|
487 |
this.container.removeClass('dndupload-inprogress');
|
|
|
488 |
}
|
|
|
489 |
},
|
|
|
490 |
|
|
|
491 |
/**
|
|
|
492 |
* Tell the attached filemanager element (if any) to refresh on file
|
|
|
493 |
* upload
|
|
|
494 |
*/
|
|
|
495 |
update_filemanager: function(params) {
|
|
|
496 |
this.clear_progress();
|
|
|
497 |
this.hide_progress();
|
|
|
498 |
if (this.filemanager) {
|
|
|
499 |
// update the filemanager that we've uploaded the files
|
|
|
500 |
this.filemanager.filepicker_callback();
|
|
|
501 |
} else if (this.callback) {
|
|
|
502 |
this.callback(params);
|
|
|
503 |
}
|
|
|
504 |
},
|
|
|
505 |
|
|
|
506 |
/**
|
|
|
507 |
* Clear the all progress bars.
|
|
|
508 |
*/
|
|
|
509 |
clear_progress: function() {
|
|
|
510 |
var filename;
|
|
|
511 |
for (filename in this.progressbars) {
|
|
|
512 |
if (this.progressbars.hasOwnProperty(filename)) {
|
|
|
513 |
this.progressbars[filename].progressouter.remove(true);
|
|
|
514 |
delete this.progressbars[filename];
|
|
|
515 |
}
|
|
|
516 |
}
|
|
|
517 |
},
|
|
|
518 |
|
|
|
519 |
/**
|
|
|
520 |
* Show the current progress of the uploaded file.
|
|
|
521 |
*/
|
|
|
522 |
update_progress: function(filename, percent) {
|
|
|
523 |
this.startProgress(filename);
|
|
|
524 |
this.progressbars[filename].progressinner.setStyle('width', percent + '%');
|
|
|
525 |
this.progressbars[filename].progressinner.setAttribute('aria-valuenow', percent);
|
|
|
526 |
this.progressbars[filename].progressinnertext.setContent(percent + '% ' + M.util.get_string('complete', 'moodle'));
|
|
|
527 |
},
|
|
|
528 |
|
|
|
529 |
/**
|
|
|
530 |
* Start to show the progress of the uploaded file.
|
|
|
531 |
*
|
|
|
532 |
* @param {String} filename Name of file upload.
|
|
|
533 |
*/
|
|
|
534 |
startProgress: function(filename) {
|
|
|
535 |
if (this.progressbars[filename] === undefined) {
|
|
|
536 |
var dispfilename = filename;
|
|
|
537 |
if (dispfilename.length > 50) {
|
|
|
538 |
dispfilename = dispfilename.substr(0, 49) + '…';
|
|
|
539 |
}
|
|
|
540 |
var progressouter = this.container.create('<div>' + dispfilename +
|
|
|
541 |
'<div class="progress">' +
|
|
|
542 |
' <div class="progress-bar" role="progressbar" aria-valuenow="0" aria-valuemin="0" aria-valuemax="100">' +
|
|
|
543 |
' <span class="sr-only"></span>' +
|
|
|
544 |
' </div>' +
|
|
|
545 |
'</div></div>');
|
|
|
546 |
var progressinner = progressouter.one('.progress-bar');
|
|
|
547 |
var progressinnertext = progressinner.one('.sr-only');
|
|
|
548 |
var progresscontainer = this.container.one('.dndupload-progressbars');
|
|
|
549 |
progresscontainer.appendChild(progressouter);
|
|
|
550 |
|
|
|
551 |
this.progressbars[filename] = {
|
|
|
552 |
progressouter: progressouter,
|
|
|
553 |
progressinner: progressinner,
|
|
|
554 |
progressinnertext: progressinnertext
|
|
|
555 |
};
|
|
|
556 |
}
|
|
|
557 |
}
|
|
|
558 |
};
|
|
|
559 |
|
|
|
560 |
var dnduploader = function(options) {
|
|
|
561 |
dnduploader.superclass.constructor.apply(this, arguments);
|
|
|
562 |
};
|
|
|
563 |
|
|
|
564 |
Y.extend(dnduploader, Y.Base, {
|
|
|
565 |
// The URL to send the upload data to.
|
|
|
566 |
api: M.cfg.wwwroot+'/repository/repository_ajax.php',
|
|
|
567 |
// Options passed into the filemanager/filepicker element.
|
|
|
568 |
options: {},
|
|
|
569 |
// The function to call when all uploads complete.
|
|
|
570 |
callback: null,
|
|
|
571 |
// The function to call as the upload progresses
|
|
|
572 |
callbackprogress: null,
|
|
|
573 |
// The function to call if the upload is cancelled
|
|
|
574 |
callbackcancel: null,
|
|
|
575 |
// The list of files dropped onto the element.
|
|
|
576 |
files: null,
|
|
|
577 |
// The ID of the 'upload' repository.
|
|
|
578 |
repositoryid: 0,
|
|
|
579 |
// Array of files already in the current folder (to check for name clashes).
|
|
|
580 |
currentfiles: null,
|
|
|
581 |
// Total number of files already uploaded (to check for exceeding limits).
|
|
|
582 |
currentfilecount: 0,
|
|
|
583 |
// Number of new files will be upload in this dndupload (to check for exceeding limits).
|
|
|
584 |
newFileCount: 0,
|
|
|
585 |
// Total size of the files present in the area.
|
|
|
586 |
currentareasize: 0,
|
|
|
587 |
// The list of files to upload.
|
|
|
588 |
uploadqueue: [],
|
|
|
589 |
// This list of files with name clashes.
|
|
|
590 |
renamequeue: [],
|
|
|
591 |
// Size of the current queue.
|
|
|
592 |
queuesize: 0,
|
|
|
593 |
// Set to true if the user has clicked on 'overwrite all'.
|
|
|
594 |
overwriteall: false,
|
|
|
595 |
// Set to true if the user has clicked on 'rename all'.
|
|
|
596 |
renameall: false,
|
|
|
597 |
// The file manager helper.
|
|
|
598 |
filemanagerhelper: null,
|
|
|
599 |
// The function to call as the number of request upload.
|
|
|
600 |
callbackNumberOfRequestUpload: null,
|
|
|
601 |
// The function to call as the clear progresses.
|
|
|
602 |
callbackClearProgress: null,
|
|
|
603 |
// The function to call as the start progress.
|
|
|
604 |
callbackStartProgress: null,
|
|
|
605 |
|
|
|
606 |
/**
|
|
|
607 |
* Initialise the settings for the dnduploader
|
|
|
608 |
* @param object params - includes:
|
|
|
609 |
* options (copied from the filepicker / filemanager)
|
|
|
610 |
* repositoryid - ID of the upload repository
|
|
|
611 |
* callback - the function to call when uploads are complete
|
|
|
612 |
* currentfiles - the list of files already in the current folder in the filemanager
|
|
|
613 |
* currentfilecount - the total files already in the filemanager
|
|
|
614 |
* files - the list of files to upload
|
|
|
615 |
* @return void
|
|
|
616 |
*/
|
|
|
617 |
initializer: function(params) {
|
|
|
618 |
this.options = params.options;
|
|
|
619 |
this.repositoryid = params.repositoryid;
|
|
|
620 |
this.callback = params.callback;
|
|
|
621 |
this.callbackprogress = params.callbackprogress;
|
|
|
622 |
this.callbackcancel = params.callbackcancel;
|
|
|
623 |
this.currentfiles = params.currentfiles;
|
|
|
624 |
this.currentfilecount = params.currentfilecount;
|
|
|
625 |
this.currentareasize = 0;
|
|
|
626 |
this.filemanagerhelper = this.options.filemanager;
|
|
|
627 |
this.callbackNumberOfRequestUpload = params.callbackNumberOfRequestUpload;
|
|
|
628 |
this.callbackClearProgress = params.callbackClearProgress;
|
|
|
629 |
this.callbackStartProgress = params.callbackStartProgress;
|
|
|
630 |
|
|
|
631 |
// Retrieve the current size of the area.
|
|
|
632 |
for (var i = 0; i < this.currentfiles.length; i++) {
|
|
|
633 |
this.currentareasize += this.currentfiles[i].size;
|
|
|
634 |
};
|
|
|
635 |
|
|
|
636 |
if (!this.initialise_queue(params.files)) {
|
|
|
637 |
if (this.callbackcancel) {
|
|
|
638 |
this.callbackcancel();
|
|
|
639 |
}
|
|
|
640 |
}
|
|
|
641 |
},
|
|
|
642 |
|
|
|
643 |
/**
|
|
|
644 |
* Entry point for starting the upload process (starts by processing any
|
|
|
645 |
* renames needed)
|
|
|
646 |
*/
|
|
|
647 |
start_upload: function() {
|
|
|
648 |
this.process_renames(); // Automatically calls 'do_upload' once renames complete.
|
|
|
649 |
},
|
|
|
650 |
|
|
|
651 |
/**
|
|
|
652 |
* Display a message in a popup
|
|
|
653 |
* @param string msg - the message to display
|
|
|
654 |
* @param string type - 'error' or 'info'
|
|
|
655 |
*/
|
|
|
656 |
print_msg: function(msg, type) {
|
|
|
657 |
var header = M.util.get_string('error', 'moodle');
|
|
|
658 |
if (type != 'error') {
|
|
|
659 |
type = 'info'; // one of only two types excepted
|
|
|
660 |
header = M.util.get_string('info', 'moodle');
|
|
|
661 |
}
|
|
|
662 |
if (!this.msg_dlg) {
|
|
|
663 |
this.msg_dlg_node = Y.Node.create(M.core_filepicker.templates.message);
|
|
|
664 |
this.msg_dlg_node.generateID();
|
|
|
665 |
|
|
|
666 |
this.msg_dlg = new M.core.dialogue({
|
|
|
667 |
bodyContent: this.msg_dlg_node,
|
|
|
668 |
centered: true,
|
|
|
669 |
modal: true,
|
|
|
670 |
visible: false
|
|
|
671 |
});
|
|
|
672 |
this.msg_dlg.plug(Y.Plugin.Drag,{handles:['#'+this.msg_dlg_node.get('id')+' .yui3-widget-hd']});
|
|
|
673 |
this.msg_dlg_node.one('.fp-msg-butok').on('click', function(e) {
|
|
|
674 |
e.preventDefault();
|
|
|
675 |
this.msg_dlg.hide();
|
|
|
676 |
}, this);
|
|
|
677 |
}
|
|
|
678 |
|
|
|
679 |
this.msg_dlg.set('headerContent', header);
|
|
|
680 |
this.msg_dlg_node.removeClass('fp-msg-info').removeClass('fp-msg-error').addClass('fp-msg-'+type)
|
|
|
681 |
this.msg_dlg_node.one('.fp-msg-text').setContent(msg);
|
|
|
682 |
this.msg_dlg.show();
|
|
|
683 |
},
|
|
|
684 |
|
|
|
685 |
/**
|
|
|
686 |
* Check the size of each file and add to either the uploadqueue or, if there
|
|
|
687 |
* is a name clash, the renamequeue
|
|
|
688 |
* @param FileList files - the files to upload
|
|
|
689 |
* @return void
|
|
|
690 |
*/
|
|
|
691 |
initialise_queue: function(files) {
|
|
|
692 |
this.uploadqueue = [];
|
|
|
693 |
this.renamequeue = [];
|
|
|
694 |
this.queuesize = 0;
|
|
|
695 |
|
|
|
696 |
// Loop through the files and find any name clashes with existing files.
|
|
|
697 |
var i;
|
|
|
698 |
for (i=0; i<files.length; i++) {
|
|
|
699 |
if (this.options.maxbytes > 0 && files[i].size > this.options.maxbytes) {
|
|
|
700 |
// Check filesize before attempting to upload.
|
|
|
701 |
var maxbytesdisplay = this.display_size(this.options.maxbytes);
|
|
|
702 |
this.print_msg(M.util.get_string('maxbytesfile', 'error', {
|
|
|
703 |
file: files[i].name,
|
|
|
704 |
size: maxbytesdisplay
|
|
|
705 |
}), 'error');
|
|
|
706 |
this.uploadqueue = []; // No uploads if one file is too big.
|
|
|
707 |
return;
|
|
|
708 |
}
|
|
|
709 |
|
|
|
710 |
if (this.has_name_clash(files[i].name)) {
|
|
|
711 |
this.renamequeue.push(files[i]);
|
|
|
712 |
} else {
|
|
|
713 |
if (!this.add_to_upload_queue(files[i], files[i].name, false)) {
|
|
|
714 |
return false;
|
|
|
715 |
}
|
|
|
716 |
}
|
|
|
717 |
this.queuesize += files[i].size;
|
|
|
718 |
}
|
|
|
719 |
return true;
|
|
|
720 |
},
|
|
|
721 |
|
|
|
722 |
/**
|
|
|
723 |
* Generate the display for file size
|
|
|
724 |
* @param int size The size to convert to human readable form
|
|
|
725 |
* @return string
|
|
|
726 |
*/
|
|
|
727 |
display_size: function(size) {
|
|
|
728 |
// This is snippet of code (with some changes) is from the display_size function in moodlelib.
|
|
|
729 |
var gb = M.util.get_string('sizegb', 'moodle'),
|
|
|
730 |
mb = M.util.get_string('sizemb', 'moodle'),
|
|
|
731 |
kb = M.util.get_string('sizekb', 'moodle'),
|
|
|
732 |
b = M.util.get_string('sizeb', 'moodle');
|
|
|
733 |
|
|
|
734 |
if (size >= 1073741824) {
|
|
|
735 |
size = Math.round(size / 1073741824 * 10) / 10 + gb;
|
|
|
736 |
} else if (size >= 1048576) {
|
|
|
737 |
size = Math.round(size / 1048576 * 10) / 10 + mb;
|
|
|
738 |
} else if (size >= 1024) {
|
|
|
739 |
size = Math.round(size / 1024 * 10) / 10 + kb;
|
|
|
740 |
} else {
|
|
|
741 |
size = parseInt(size, 10) + ' ' + b;
|
|
|
742 |
}
|
|
|
743 |
|
|
|
744 |
return size;
|
|
|
745 |
},
|
|
|
746 |
|
|
|
747 |
/**
|
|
|
748 |
* Add a single file to the uploadqueue, whilst checking the maxfiles limit
|
|
|
749 |
* @param File file - the file to add
|
|
|
750 |
* @param string filename - the name to give the file on upload
|
|
|
751 |
* @param bool overwrite - true to overwrite the existing file
|
|
|
752 |
* @return bool true if added successfully
|
|
|
753 |
*/
|
|
|
754 |
add_to_upload_queue: function(file, filename, overwrite) {
|
|
|
755 |
if (!overwrite) {
|
|
|
756 |
this.newFileCount++;
|
|
|
757 |
}
|
|
|
758 |
|
|
|
759 |
// The value for "unlimited files" is -1, so 0 should mean 0.
|
|
|
760 |
if (this.options.maxfiles >= 0 && this.getTotalNumberOfFiles() > this.options.maxfiles) {
|
|
|
761 |
// Too many files - abort entire upload.
|
|
|
762 |
this.uploadqueue = [];
|
|
|
763 |
this.renamequeue = [];
|
|
|
764 |
this.print_msg(M.util.get_string('maxfilesreached', 'moodle', this.options.maxfiles), 'error');
|
|
|
765 |
return false;
|
|
|
766 |
}
|
|
|
767 |
// The new file will cause the area to reach its limit, we cancel the upload of all files.
|
|
|
768 |
// -1 is the value defined by FILE_AREA_MAX_BYTES_UNLIMITED.
|
|
|
769 |
if (this.options.areamaxbytes > -1) {
|
|
|
770 |
var sizereached = this.currentareasize + this.queuesize + file.size;
|
|
|
771 |
if (sizereached > this.options.areamaxbytes) {
|
|
|
772 |
this.uploadqueue = [];
|
|
|
773 |
this.renamequeue = [];
|
|
|
774 |
this.print_msg(M.util.get_string('maxareabytesreached', 'moodle'), 'error');
|
|
|
775 |
return false;
|
|
|
776 |
}
|
|
|
777 |
}
|
|
|
778 |
this.uploadqueue.push({file:file, filename:filename, overwrite:overwrite});
|
|
|
779 |
return true;
|
|
|
780 |
},
|
|
|
781 |
|
|
|
782 |
/**
|
|
|
783 |
* Get total number of files: Number of uploaded files, number of files unloading in other dndupload,
|
|
|
784 |
* number of files need to be upload in this dndupload.
|
|
|
785 |
* @return number Total number of files.
|
|
|
786 |
*/
|
|
|
787 |
getTotalNumberOfFiles: function() {
|
|
|
788 |
// Get number of files we added into other dndupload.
|
|
|
789 |
let totalOfFiles = 0;
|
|
|
790 |
if(this.callbackNumberOfRequestUpload) {
|
|
|
791 |
totalOfFiles = this.callbackNumberOfRequestUpload.getTotal();
|
|
|
792 |
}
|
|
|
793 |
|
|
|
794 |
return this.currentfilecount + this.newFileCount + totalOfFiles;
|
|
|
795 |
},
|
|
|
796 |
|
|
|
797 |
/**
|
|
|
798 |
* Take the next file from the renamequeue and ask the user what to do with
|
|
|
799 |
* it. Called recursively until the queue is empty, then calls do_upload.
|
|
|
800 |
* @return void
|
|
|
801 |
*/
|
|
|
802 |
process_renames: function() {
|
|
|
803 |
if (this.renamequeue.length == 0) {
|
|
|
804 |
// All rename processing complete - start the actual upload.
|
|
|
805 |
if(this.callbackNumberOfRequestUpload && this.uploadqueue.length > 0) {
|
|
|
806 |
this.callbackNumberOfRequestUpload.increaseTotal(this.newFileCount);
|
|
|
807 |
}
|
|
|
808 |
this.do_upload();
|
|
|
809 |
return;
|
|
|
810 |
}
|
|
|
811 |
var multiplefiles = (this.renamequeue.length > 1);
|
|
|
812 |
|
|
|
813 |
// Get the next file from the rename queue.
|
|
|
814 |
var file = this.renamequeue.shift();
|
|
|
815 |
// Generate a non-conflicting name for it.
|
|
|
816 |
var newname = this.generate_unique_name(file.name);
|
|
|
817 |
|
|
|
818 |
// If the user has clicked on overwrite/rename ALL then process
|
|
|
819 |
// this file, as appropriate, then process the rest of the queue.
|
|
|
820 |
if (this.overwriteall) {
|
|
|
821 |
if (this.add_to_upload_queue(file, file.name, true)) {
|
|
|
822 |
this.process_renames();
|
|
|
823 |
}
|
|
|
824 |
return;
|
|
|
825 |
}
|
|
|
826 |
if (this.renameall) {
|
|
|
827 |
if (this.add_to_upload_queue(file, newname, false)) {
|
|
|
828 |
this.process_renames();
|
|
|
829 |
}
|
|
|
830 |
return;
|
|
|
831 |
}
|
|
|
832 |
|
|
|
833 |
// Ask the user what to do with this file.
|
|
|
834 |
var self = this;
|
|
|
835 |
|
|
|
836 |
var process_dlg_node;
|
|
|
837 |
if (multiplefiles) {
|
|
|
838 |
process_dlg_node = Y.Node.create(M.core_filepicker.templates.processexistingfilemultiple);
|
|
|
839 |
} else {
|
|
|
840 |
process_dlg_node = Y.Node.create(M.core_filepicker.templates.processexistingfile);
|
|
|
841 |
}
|
|
|
842 |
var node = process_dlg_node;
|
|
|
843 |
node.generateID();
|
|
|
844 |
var process_dlg = new M.core.dialogue({
|
|
|
845 |
bodyContent: node,
|
|
|
846 |
headerContent: M.util.get_string('fileexistsdialogheader', 'repository'),
|
|
|
847 |
centered: true,
|
|
|
848 |
modal: true,
|
|
|
849 |
visible: false
|
|
|
850 |
});
|
|
|
851 |
process_dlg.plug(Y.Plugin.Drag,{handles:['#'+node.get('id')+' .yui3-widget-hd']});
|
|
|
852 |
|
|
|
853 |
// Overwrite original.
|
|
|
854 |
node.one('.fp-dlg-butoverwrite').on('click', function(e) {
|
|
|
855 |
e.preventDefault();
|
|
|
856 |
process_dlg.hide();
|
|
|
857 |
if (self.add_to_upload_queue(file, file.name, true)) {
|
|
|
858 |
self.process_renames();
|
|
|
859 |
}
|
|
|
860 |
}, this);
|
|
|
861 |
|
|
|
862 |
// Rename uploaded file.
|
|
|
863 |
node.one('.fp-dlg-butrename').on('click', function(e) {
|
|
|
864 |
e.preventDefault();
|
|
|
865 |
process_dlg.hide();
|
|
|
866 |
if (self.add_to_upload_queue(file, newname, false)) {
|
|
|
867 |
self.process_renames();
|
|
|
868 |
}
|
|
|
869 |
}, this);
|
|
|
870 |
|
|
|
871 |
// Cancel all uploads.
|
|
|
872 |
node.one('.fp-dlg-butcancel').on('click', function(e) {
|
|
|
873 |
e.preventDefault();
|
|
|
874 |
process_dlg.hide();
|
|
|
875 |
if (self.callbackcancel) {
|
|
|
876 |
this.notifyUploadCompleted();
|
|
|
877 |
self.callbackClearProgress();
|
|
|
878 |
self.callbackcancel();
|
|
|
879 |
}
|
|
|
880 |
}, this);
|
|
|
881 |
|
|
|
882 |
// When we are at the file limit, only allow 'overwrite', not rename.
|
|
|
883 |
if (this.getTotalNumberOfFiles() == this.options.maxfiles) {
|
|
|
884 |
node.one('.fp-dlg-butrename').setStyle('display', 'none');
|
|
|
885 |
if (multiplefiles) {
|
|
|
886 |
node.one('.fp-dlg-butrenameall').setStyle('display', 'none');
|
|
|
887 |
}
|
|
|
888 |
}
|
|
|
889 |
|
|
|
890 |
// If there are more files still to go, offer the 'overwrite/rename all' options.
|
|
|
891 |
if (multiplefiles) {
|
|
|
892 |
// Overwrite all original files.
|
|
|
893 |
node.one('.fp-dlg-butoverwriteall').on('click', function(e) {
|
|
|
894 |
e.preventDefault();
|
|
|
895 |
process_dlg.hide();
|
|
|
896 |
this.overwriteall = true;
|
|
|
897 |
if (self.add_to_upload_queue(file, file.name, true)) {
|
|
|
898 |
self.process_renames();
|
|
|
899 |
}
|
|
|
900 |
}, this);
|
|
|
901 |
|
|
|
902 |
// Rename all new files.
|
|
|
903 |
node.one('.fp-dlg-butrenameall').on('click', function(e) {
|
|
|
904 |
e.preventDefault();
|
|
|
905 |
process_dlg.hide();
|
|
|
906 |
this.renameall = true;
|
|
|
907 |
if (self.add_to_upload_queue(file, newname, false)) {
|
|
|
908 |
self.process_renames();
|
|
|
909 |
}
|
|
|
910 |
}, this);
|
|
|
911 |
}
|
|
|
912 |
node.one('.fp-dlg-text').setContent(M.util.get_string('fileexists', 'moodle', file.name));
|
|
|
913 |
process_dlg_node.one('.fp-dlg-butrename').setContent(M.util.get_string('renameto', 'repository', newname));
|
|
|
914 |
|
|
|
915 |
// Destroy the dialog once it has been hidden.
|
|
|
916 |
process_dlg.after('visibleChange', function(e) {
|
|
|
917 |
if (!process_dlg.get('visible')) {
|
|
|
918 |
if (self.callbackcancel) {
|
|
|
919 |
self.callbackcancel();
|
|
|
920 |
}
|
|
|
921 |
process_dlg.destroy(true);
|
|
|
922 |
}
|
|
|
923 |
}, this);
|
|
|
924 |
|
|
|
925 |
process_dlg.show();
|
|
|
926 |
},
|
|
|
927 |
|
|
|
928 |
/**
|
|
|
929 |
* Trigger upload completed event.
|
|
|
930 |
*/
|
|
|
931 |
notifyUploadCompleted: function() {
|
|
|
932 |
require(['core_form/events'], function(FormEvent) {
|
|
|
933 |
const elementId = this.filemanagerhelper ? this.filemanagerhelper.filemanager.get('id') : this.options.containerid;
|
|
|
934 |
FormEvent.triggerUploadCompleted(elementId);
|
|
|
935 |
}.bind(this));
|
|
|
936 |
},
|
|
|
937 |
|
|
|
938 |
/**
|
|
|
939 |
* Trigger form upload start events.
|
|
|
940 |
*/
|
|
|
941 |
notifyUploadStarted: function() {
|
|
|
942 |
require(['core_form/events'], function(FormEvent) {
|
|
|
943 |
const elementId = this.filemanagerhelper ? this.filemanagerhelper.filemanager.get('id') : this.options.containerid;
|
|
|
944 |
FormEvent.triggerUploadStarted(elementId);
|
|
|
945 |
}.bind(this));
|
|
|
946 |
},
|
|
|
947 |
|
|
|
948 |
/**
|
|
|
949 |
* Checks if there is already a file with the given name in the current folder
|
|
|
950 |
* or in the list of already uploading files
|
|
|
951 |
* @param string filename - the name to test
|
|
|
952 |
* @return bool true if the name already exists
|
|
|
953 |
*/
|
|
|
954 |
has_name_clash: function(filename) {
|
|
|
955 |
// Check against the already uploaded files
|
|
|
956 |
var i;
|
|
|
957 |
for (i=0; i<this.currentfiles.length; i++) {
|
|
|
958 |
if (filename == this.currentfiles[i].filename) {
|
|
|
959 |
return true;
|
|
|
960 |
}
|
|
|
961 |
}
|
|
|
962 |
// Check against the uploading files that have already been processed
|
|
|
963 |
for (i=0; i<this.uploadqueue.length; i++) {
|
|
|
964 |
if (filename == this.uploadqueue[i].filename) {
|
|
|
965 |
return true;
|
|
|
966 |
}
|
|
|
967 |
}
|
|
|
968 |
return false;
|
|
|
969 |
},
|
|
|
970 |
|
|
|
971 |
/**
|
|
|
972 |
* Gets a unique file name
|
|
|
973 |
*
|
|
|
974 |
* @param string filename
|
|
|
975 |
* @return string the unique filename generated
|
|
|
976 |
*/
|
|
|
977 |
generate_unique_name: function(filename) {
|
|
|
978 |
// Loop through increating numbers until a unique name is found.
|
|
|
979 |
while (this.has_name_clash(filename)) {
|
|
|
980 |
filename = increment_filename(filename);
|
|
|
981 |
}
|
|
|
982 |
return filename;
|
|
|
983 |
},
|
|
|
984 |
|
|
|
985 |
/**
|
|
|
986 |
* Upload the next file from the uploadqueue - called recursively after each
|
|
|
987 |
* upload is complete, then handles the callback to the filemanager/filepicker
|
|
|
988 |
* @param lastresult - the last result from the server
|
|
|
989 |
*/
|
|
|
990 |
do_upload: function(lastresult) {
|
|
|
991 |
if (this.uploadqueue.length > 0) {
|
|
|
992 |
var filedetails = this.uploadqueue.shift();
|
|
|
993 |
this.upload_file(filedetails.file, filedetails.filename, filedetails.overwrite);
|
|
|
994 |
} else {
|
|
|
995 |
if (this.callbackNumberOfRequestUpload && !this.callbackNumberOfRequestUpload.get()) {
|
|
|
996 |
this.uploadfinished(lastresult);
|
|
|
997 |
}
|
|
|
998 |
}
|
|
|
999 |
},
|
|
|
1000 |
|
|
|
1001 |
/**
|
|
|
1002 |
* Run the callback to the filemanager/filepicker
|
|
|
1003 |
*/
|
|
|
1004 |
uploadfinished: function(lastresult) {
|
|
|
1005 |
this.callbackNumberOfRequestUpload.reset();
|
|
|
1006 |
this.callback(lastresult);
|
|
|
1007 |
},
|
|
|
1008 |
|
|
|
1009 |
/**
|
|
|
1010 |
* Upload a single file via an AJAX call to the 'upload' repository. Automatically
|
|
|
1011 |
* calls do_upload as each upload completes.
|
|
|
1012 |
* @param File file - the file to upload
|
|
|
1013 |
* @param string filename - the name to give the file
|
|
|
1014 |
* @param bool overwrite - true if the existing file should be overwritten
|
|
|
1015 |
*/
|
|
|
1016 |
upload_file: function(file, filename, overwrite) {
|
|
|
1017 |
|
|
|
1018 |
// This would be an ideal place to use the Y.io function
|
|
|
1019 |
// however, this does not support data encoded using the
|
|
|
1020 |
// FormData object, which is needed to transfer data from
|
|
|
1021 |
// the DataTransfer object into an XMLHTTPRequest
|
|
|
1022 |
// This can be converted when the YUI issue has been integrated:
|
|
|
1023 |
// http://yuilibrary.com/projects/yui3/ticket/2531274
|
|
|
1024 |
var xhr = new XMLHttpRequest();
|
|
|
1025 |
var self = this;
|
|
|
1026 |
if (self.callbackNumberOfRequestUpload) {
|
|
|
1027 |
self.callbackNumberOfRequestUpload.increase();
|
|
|
1028 |
}
|
|
|
1029 |
|
|
|
1030 |
// Start progress bar.
|
|
|
1031 |
xhr.onloadstart = function() {
|
|
|
1032 |
self.callbackStartProgress(filename);
|
|
|
1033 |
self.notifyUploadStarted();
|
|
|
1034 |
};
|
|
|
1035 |
|
|
|
1036 |
// Update the progress bar
|
|
|
1037 |
xhr.upload.addEventListener('progress', function(e) {
|
|
|
1038 |
if (e.lengthComputable && self.callbackprogress) {
|
|
|
1039 |
var percentage = Math.round((e.loaded * 100) / e.total);
|
|
|
1040 |
self.callbackprogress(filename, percentage);
|
|
|
1041 |
}
|
|
|
1042 |
}, false);
|
|
|
1043 |
|
|
|
1044 |
xhr.onreadystatechange = function() { // Process the server response
|
|
|
1045 |
if (xhr.readyState == 4) {
|
|
|
1046 |
self.notifyUploadCompleted();
|
|
|
1047 |
if (xhr.status == 200) {
|
|
|
1048 |
var result = JSON.parse(xhr.responseText);
|
|
|
1049 |
if (result) {
|
|
|
1050 |
if (result.error) {
|
|
|
1051 |
self.print_msg(result.error, 'error'); // TODO add filename?
|
|
|
1052 |
self.uploadfinished();
|
|
|
1053 |
} else {
|
|
|
1054 |
// Only update the filepicker if there were no errors
|
|
|
1055 |
if (result.event == 'fileexists') {
|
|
|
1056 |
// Do not worry about this, as we only care about the last
|
|
|
1057 |
// file uploaded, with the filepicker
|
|
|
1058 |
result.file = result.newfile.filename;
|
|
|
1059 |
result.url = result.newfile.url;
|
|
|
1060 |
}
|
|
|
1061 |
result.client_id = self.options.clientid;
|
|
|
1062 |
if (self.callbackprogress) {
|
|
|
1063 |
self.callbackprogress(filename, 100);
|
|
|
1064 |
}
|
|
|
1065 |
}
|
|
|
1066 |
}
|
|
|
1067 |
if (self.callbackNumberOfRequestUpload) {
|
|
|
1068 |
self.callbackNumberOfRequestUpload.decrease();
|
|
|
1069 |
}
|
|
|
1070 |
self.do_upload(result); // continue uploading
|
|
|
1071 |
} else {
|
|
|
1072 |
self.print_msg(M.util.get_string('serverconnection', 'error'), 'error');
|
|
|
1073 |
self.uploadfinished();
|
|
|
1074 |
}
|
|
|
1075 |
}
|
|
|
1076 |
};
|
|
|
1077 |
|
|
|
1078 |
// Prepare the data to send
|
|
|
1079 |
var formdata = new FormData();
|
|
|
1080 |
formdata.append('repo_upload_file', file); // The FormData class allows us to attach a file
|
|
|
1081 |
formdata.append('sesskey', M.cfg.sesskey);
|
|
|
1082 |
formdata.append('repo_id', this.repositoryid);
|
|
|
1083 |
formdata.append('itemid', this.options.itemid);
|
|
|
1084 |
if (this.options.author) {
|
|
|
1085 |
formdata.append('author', this.options.author);
|
|
|
1086 |
}
|
|
|
1087 |
if (this.options.filemanager) { // Filepickers do not have folders
|
|
|
1088 |
formdata.append('savepath', this.options.filemanager.currentpath);
|
|
|
1089 |
}
|
|
|
1090 |
formdata.append('title', filename);
|
|
|
1091 |
if (overwrite) {
|
|
|
1092 |
formdata.append('overwrite', 1);
|
|
|
1093 |
}
|
|
|
1094 |
if (this.options.contextid) {
|
|
|
1095 |
formdata.append('ctx_id', this.options.contextid);
|
|
|
1096 |
}
|
|
|
1097 |
|
|
|
1098 |
// Accepted types can be either a string or an array, but an array is
|
|
|
1099 |
// expected in the processing script, so make sure we are sending an array
|
|
|
1100 |
if (this.options.acceptedtypes.constructor == Array) {
|
|
|
1101 |
for (var i=0; i<this.options.acceptedtypes.length; i++) {
|
|
|
1102 |
formdata.append('accepted_types[]', this.options.acceptedtypes[i]);
|
|
|
1103 |
}
|
|
|
1104 |
} else {
|
|
|
1105 |
formdata.append('accepted_types[]', this.options.acceptedtypes);
|
|
|
1106 |
}
|
|
|
1107 |
|
|
|
1108 |
// Send the file & required details.
|
|
|
1109 |
var uploadUrl = this.api;
|
|
|
1110 |
if (uploadUrl.indexOf('?') !== -1) {
|
|
|
1111 |
uploadUrl += '&action=upload';
|
|
|
1112 |
} else {
|
|
|
1113 |
uploadUrl += '?action=upload';
|
|
|
1114 |
}
|
|
|
1115 |
xhr.open("POST", uploadUrl, true);
|
|
|
1116 |
xhr.send(formdata);
|
|
|
1117 |
return true;
|
|
|
1118 |
}
|
|
|
1119 |
});
|
|
|
1120 |
|
|
|
1121 |
dnduploadhelper.init(Y, options);
|
|
|
1122 |
};
|