diff options
Diffstat (limited to 'apps/files/js/file-upload.js')
-rw-r--r-- | apps/files/js/file-upload.js | 557 |
1 files changed, 418 insertions, 139 deletions
diff --git a/apps/files/js/file-upload.js b/apps/files/js/file-upload.js index aeb2da90d5f..b52221ac1fc 100644 --- a/apps/files/js/file-upload.js +++ b/apps/files/js/file-upload.js @@ -1,157 +1,436 @@ -$(document).ready(function() { - - var file_upload_param = { - dropZone: $('#content'), // restrict dropZone to content div - //singleFileUploads is on by default, so the data.files array will always have length 1 - add: function(e, data) { - - if(data.files[0].type === '' && data.files[0].size == 4096) - { - data.textStatus = 'dirorzero'; - data.errorThrown = t('files','Unable to upload your file as it is a directory or has 0 bytes'); - var fu = $(this).data('blueimp-fileupload') || $(this).data('fileupload'); - fu._trigger('fail', e, data); - return true; //don't upload this file but go on with next in queue - } +/** + * The file upload code uses several hooks to interact with blueimps jQuery file upload library: + * 1. the core upload handling hooks are added when initializing the plugin, + * 2. if the browser supports progress events they are added in a separate set after the initialization + * 3. every app can add it's own triggers for fileupload + * - files adds d'n'd handlers and also reacts to done events to add new rows to the filelist + * - TODO pictures upload button + * - TODO music upload button + */ - var totalSize=0; - $.each(data.originalFiles, function(i,file){ - totalSize+=file.size; - }); +/** + * Function that will allow us to know if Ajax uploads are supported + * @link https://github.com/New-Bamboo/example-ajax-upload/blob/master/public/index.html + * also see article @link http://blog.new-bamboo.co.uk/2012/01/10/ridiculously-simple-ajax-uploads-with-formdata + */ +function supportAjaxUploadWithProgress() { + return supportFileAPI() && supportAjaxUploadProgressEvents() && supportFormData(); - if(totalSize>$('#max_upload').val()){ - data.textStatus = 'notenoughspace'; - data.errorThrown = t('files','Not enough space available'); - var fu = $(this).data('blueimp-fileupload') || $(this).data('fileupload'); - fu._trigger('fail', e, data); - return false; //don't upload anything - } + // Is the File API supported? + function supportFileAPI() { + var fi = document.createElement('INPUT'); + fi.type = 'file'; + return 'files' in fi; + }; - // start the actual file upload - var jqXHR = data.submit(); + // Are progress events supported? + function supportAjaxUploadProgressEvents() { + var xhr = new XMLHttpRequest(); + return !! (xhr && ('upload' in xhr) && ('onprogress' in xhr.upload)); + }; - // remember jqXHR to show warning to user when he navigates away but an upload is still in progress - if (typeof data.context !== 'undefined' && data.context.data('type') === 'dir') { - var dirName = data.context.data('file'); - if(typeof uploadingFiles[dirName] === 'undefined') { - uploadingFiles[dirName] = {}; - } - uploadingFiles[dirName][data.files[0].name] = jqXHR; - } else { - uploadingFiles[data.files[0].name] = jqXHR; - } + // Is FormData supported? + function supportFormData() { + return !! window.FormData; + } +} - //show cancel button - if($('html.lte9').length === 0 && data.dataType !== 'iframe') { - $('#uploadprogresswrapper input.stop').show(); - } - }, - submit: function(e, data) { - if ( ! data.formData ) { - // noone set update parameters, we set the minimum - data.formData = { - requesttoken: oc_requesttoken, - dir: $('#dir').val() - }; - } - }, - /** - * called after the first add, does NOT have the data param - * @param e - */ - start: function(e) { - //IE < 10 does not fire the necessary events for the progress bar. - if($('html.lte9').length > 0) { - return; +/** + * keeps track of uploads in progress and implements callbacks for the conflicts dialog + * @type {OC.Upload} + */ +OC.Upload = { + _uploads: [], + /** + * cancels a single upload, + * @deprecated because it was only used when a file currently beeing uploaded was deleted. Now they are added after + * they have been uploaded. + * @param {string} dir + * @param {string} filename + * @returns {unresolved} + */ + cancelUpload:function(dir, filename) { + var self = this; + var deleted = false; + //FIXME _selections + jQuery.each(this._uploads, function(i, jqXHR) { + if (selection.dir === dir && selection.uploads[filename]) { + deleted = self.deleteSelectionUpload(selection, filename); + return false; // end searching through selections } - $('#uploadprogressbar').progressbar({value:0}); - $('#uploadprogressbar').fadeIn(); - }, - fail: function(e, data) { - if (typeof data.textStatus !== 'undefined' && data.textStatus !== 'success' ) { - if (data.textStatus === 'abort') { - $('#notification').text(t('files', 'Upload cancelled.')); - } else { - // HTTP connection problem - $('#notification').text(data.errorThrown); - } - $('#notification').fadeIn(); - //hide notification after 5 sec - setTimeout(function() { - $('#notification').fadeOut(); - }, 5000); - } - delete uploadingFiles[data.files[0].name]; - }, - progress: function(e, data) { - // TODO: show nice progress bar in file row - }, - progressall: function(e, data) { - //IE < 10 does not fire the necessary events for the progress bar. - if($('html.lte9').length > 0) { - return; + }); + return deleted; + }, + /** + * deletes the jqHXR object from a data selection + * @param {object} data + */ + deleteUpload:function(data) { + delete data.jqXHR; + }, + /** + * cancels all uploads + */ + cancelUploads:function() { + this.log('canceling uploads'); + jQuery.each(this._uploads,function(i, jqXHR){ + jqXHR.abort(); + }); + this._uploads = []; + }, + rememberUpload:function(jqXHR){ + if (jqXHR) { + this._uploads.push(jqXHR); + } + }, + /** + * Checks the currently known uploads. + * returns true if any hxr has the state 'pending' + * @returns {boolean} + */ + isProcessing:function(){ + var count = 0; + + jQuery.each(this._uploads,function(i, data){ + if (data.state() === 'pending') { + count++; } - var progress = (data.loaded/data.total)*100; - $('#uploadprogressbar').progressbar('value',progress); - }, - /** - * called for every successful upload - * @param e - * @param data - */ - done:function(e, data) { - // handle different responses (json or body from iframe for ie) - var response; - if (typeof data.result === 'string') { - response = data.result; + }); + return count > 0; + }, + /** + * callback for the conflicts dialog + * @param {object} data + */ + onCancel:function(data) { + this.cancelUploads(); + }, + /** + * callback for the conflicts dialog + * calls onSkip, onReplace or onAutorename for each conflict + * @param {object} conflicts - list of conflict elements + */ + onContinue:function(conflicts) { + var self = this; + //iterate over all conflicts + jQuery.each(conflicts, function (i, conflict) { + conflict = $(conflict); + var keepOriginal = conflict.find('.original input[type="checkbox"]:checked').length === 1; + var keepReplacement = conflict.find('.replacement input[type="checkbox"]:checked').length === 1; + if (keepOriginal && keepReplacement) { + // when both selected -> autorename + self.onAutorename(conflict.data('data')); + } else if (keepReplacement) { + // when only replacement selected -> overwrite + self.onReplace(conflict.data('data')); } else { - //fetch response from iframe - response = data.result[0].body.innerText; + // when only original seleted -> skip + // when none selected -> skip + self.onSkip(conflict.data('data')); } - var result=$.parseJSON(response); + }); + }, + /** + * handle skipping an upload + * @param {object} data + */ + onSkip:function(data){ + this.log('skip', null, data); + this.deleteUpload(data); + }, + /** + * handle replacing a file on the server with an uploaded file + * @param {object} data + */ + onReplace:function(data){ + this.log('replace', null, data); + data.data.append('resolution', 'replace'); + data.submit(); + }, + /** + * handle uploading a file and letting the server decide a new name + * @param {object} data + */ + onAutorename:function(data){ + this.log('autorename', null, data); + if (data.data) { + data.data.append('resolution', 'autorename'); + } else { + data.formData.push({name:'resolution',value:'autorename'}); //hack for ie8 + } + data.submit(); + }, + _trace:false, //TODO implement log handler for JS per class? + log:function(caption, e, data) { + if (this._trace) { + console.log(caption); + console.log(data); + } + }, + /** + * TODO checks the list of existing files prior to uploading and shows a simple dialog to choose + * skip all, replace all or choose which files to keep + * @param {array} selection of files to upload + * @param {object} callbacks - object with several callback methods + * @param {function} callbacks.onNoConflicts + * @param {function} callbacks.onSkipConflicts + * @param {function} callbacks.onReplaceConflicts + * @param {function} callbacks.onChooseConflicts + * @param {function} callbacks.onCancel + */ + checkExistingFiles: function (selection, callbacks){ + // TODO check filelist before uploading and show dialog on conflicts, use callbacks + callbacks.onNoConflicts(selection); + } +}; + +$(document).ready(function() { + + if ( $('#file_upload_start').exists() ) { + + var file_upload_param = { + dropZone: $('#content'), // restrict dropZone to content div + autoUpload: false, + sequentialUploads: true, + //singleFileUploads is on by default, so the data.files array will always have length 1 + /** + * on first add of every selection + * - check all files of originalFiles array with files in dir + * - on conflict show dialog + * - skip all -> remember as single skip action for all conflicting files + * - replace all -> remember as single replace action for all conflicting files + * - choose -> show choose dialog + * - mark files to keep + * - when only existing -> remember as single skip action + * - when only new -> remember as single replace action + * - when both -> remember as single autorename action + * - start uploading selection + * @param {object} e + * @param {object} data + * @returns {boolean} + */ + add: function(e, data) { + OC.Upload.log('add', e, data); + var that = $(this); + + // we need to collect all data upload objects before starting the upload so we can check their existence + // and set individual conflict actions. unfortunately there is only one variable that we can use to identify + // the selection a data upload is part of, so we have to collect them in data.originalFiles + // turning singleFileUploads off is not an option because we want to gracefully handle server errors like + // already exists + + // create a container where we can store the data objects + if ( ! data.originalFiles.selection ) { + // initialize selection and remember number of files to upload + data.originalFiles.selection = { + uploads: [], + filesToUpload: data.originalFiles.length, + totalBytes: 0 + }; + } + var selection = data.originalFiles.selection; + + // add uploads + if ( selection.uploads.length < selection.filesToUpload ){ + // remember upload + selection.uploads.push(data); + } + + //examine file + var file = data.files[0]; + + if (file.type === '' && file.size === 4096) { + data.textStatus = 'dirorzero'; + data.errorThrown = t('files', 'Unable to upload {filename} as it is a directory or has 0 bytes', + {filename: file.name} + ); + } + + // add size + selection.totalBytes += file.size; + + //check max upload size + if (selection.totalBytes > $('#max_upload').val()) { + data.textStatus = 'notenoughspace'; + data.errorThrown = t('files', 'Not enough space available'); + } + + // end upload for whole selection on error + if (data.errorThrown) { + // trigger fileupload fail + var fu = that.data('blueimp-fileupload') || that.data('fileupload'); + fu._trigger('fail', e, data); + return false; //don't upload anything + } - if(typeof result[0] !== 'undefined' && result[0].status === 'success') { - var filename = result[0].originalname; + // check existing files when all is collected + if ( selection.uploads.length >= selection.filesToUpload ) { + + //remove our selection hack: + delete data.originalFiles.selection; + + var callbacks = { + + onNoConflicts: function (selection) { + $.each(selection.uploads, function(i, upload) { + upload.submit(); + }); + }, + onSkipConflicts: function (selection) { + //TODO mark conflicting files as toskip + }, + onReplaceConflicts: function (selection) { + //TODO mark conflicting files as toreplace + }, + onChooseConflicts: function (selection) { + //TODO mark conflicting files as chosen + }, + onCancel: function (selection) { + $.each(selection.uploads, function(i, upload) { + upload.abort(); + }); + } + }; - // delete jqXHR reference - if (typeof data.context !== 'undefined' && data.context.data('type') === 'dir') { - var dirName = data.context.data('file'); - delete uploadingFiles[dirName][filename]; - if ($.assocArraySize(uploadingFiles[dirName]) == 0) { - delete uploadingFiles[dirName]; + OC.Upload.checkExistingFiles(selection, callbacks); + + } + + return true; // continue adding files + }, + /** + * called after the first add, does NOT have the data param + * @param {object} e + */ + start: function(e) { + OC.Upload.log('start', e, null); + }, + submit: function(e, data) { + OC.Upload.rememberUpload(data); + if ( ! data.formData ) { + // noone set update parameters, we set the minimum + data.formData = { + requesttoken: oc_requesttoken, + dir: $('#dir').val() + }; + } + }, + fail: function(e, data) { + OC.Upload.log('fail', e, data); + if (typeof data.textStatus !== 'undefined' && data.textStatus !== 'success' ) { + if (data.textStatus === 'abort') { + $('#notification').text(t('files', 'Upload cancelled.')); + } else { + // HTTP connection problem + $('#notification').text(data.errorThrown); } + $('#notification').fadeIn(); + //hide notification after 5 sec + setTimeout(function() { + $('#notification').fadeOut(); + }, 5000); + } + OC.Upload.deleteUpload(data); + }, + /** + * called for every successful upload + * @param {object} e + * @param {object} data + */ + done:function(e, data) { + OC.Upload.log('done', e, data); + // handle different responses (json or body from iframe for ie) + var response; + if (typeof data.result === 'string') { + response = data.result; } else { - delete uploadingFiles[filename]; + //fetch response from iframe + response = data.result[0].body.innerText; } - var file = result[0]; - } else { - data.textStatus = 'servererror'; - data.errorThrown = t('files', result.data.message); - var fu = $(this).data('blueimp-fileupload') || $(this).data('fileupload'); - fu._trigger('fail', e, data); - } - }, - /** - * called after last upload - * @param e - * @param data - */ - stop: function(e, data) { - if(data.dataType !== 'iframe') { - $('#uploadprogresswrapper input.stop').hide(); - } + var result=$.parseJSON(response); - //IE < 10 does not fire the necessary events for the progress bar. - if($('html.lte9').length > 0) { - return; + delete data.jqXHR; + + if(typeof result[0] === 'undefined') { + data.textStatus = 'servererror'; + data.errorThrown = t('files', 'Could not get result from server.'); + var fu = $(this).data('blueimp-fileupload') || $(this).data('fileupload'); + fu._trigger('fail', e, data); + } else if (result[0].status === 'existserror') { + //show "file already exists" dialog + var original = result[0]; + var replacement = data.files[0]; + var fu = $(this).data('blueimp-fileupload') || $(this).data('fileupload'); + OC.dialogs.fileexists(data, original, replacement, OC.Upload, fu); + } else if (result[0].status !== 'success') { + //delete data.jqXHR; + data.textStatus = 'servererror'; + data.errorThrown = result.data.message; // error message has been translated on server + var fu = $(this).data('blueimp-fileupload') || $(this).data('fileupload'); + fu._trigger('fail', e, data); + } + }, + /** + * called after last upload + * @param {object} e + * @param {object} data + */ + stop: function(e, data) { + OC.Upload.log('stop', e, data); } + }; + + // initialize jquery fileupload (blueimp) + var fileupload = $('#file_upload_start').fileupload(file_upload_param); + window.file_upload_param = fileupload; - $('#uploadprogressbar').progressbar('value',100); - $('#uploadprogressbar').fadeOut(); + if(supportAjaxUploadWithProgress()) { + + // add progress handlers + fileupload.on('fileuploadadd', function(e, data) { + OC.Upload.log('progress handle fileuploadadd', e, data); + //show cancel button + //if(data.dataType !== 'iframe') { //FIXME when is iframe used? only for ie? + // $('#uploadprogresswrapper input.stop').show(); + //} + }); + // add progress handlers + fileupload.on('fileuploadstart', function(e, data) { + OC.Upload.log('progress handle fileuploadstart', e, data); + $('#uploadprogresswrapper input.stop').show(); + $('#uploadprogressbar').progressbar({value:0}); + $('#uploadprogressbar').fadeIn(); + }); + fileupload.on('fileuploadprogress', function(e, data) { + OC.Upload.log('progress handle fileuploadprogress', e, data); + //TODO progressbar in row + }); + fileupload.on('fileuploadprogressall', function(e, data) { + OC.Upload.log('progress handle fileuploadprogressall', e, data); + var progress = (data.loaded / data.total) * 100; + $('#uploadprogressbar').progressbar('value', progress); + }); + fileupload.on('fileuploadstop', function(e, data) { + OC.Upload.log('progress handle fileuploadstop', e, data); + + $('#uploadprogresswrapper input.stop').fadeOut(); + $('#uploadprogressbar').fadeOut(); + + }); + fileupload.on('fileuploadfail', function(e, data) { + OC.Upload.log('progress handle fileuploadfail', e, data); + //if user pressed cancel hide upload progress bar and cancel button + if (data.errorThrown === 'abort') { + $('#uploadprogresswrapper input.stop').fadeOut(); + $('#uploadprogressbar').fadeOut(); + } + }); + + } else { + console.log('skipping file progress because your browser is broken'); } - }; - $('#file_upload_start').fileupload(file_upload_param); - + } + $.assocArraySize = function(obj) { // http://stackoverflow.com/a/6700/11236 var size = 0, key; @@ -162,9 +441,9 @@ $(document).ready(function() { }; // warn user not to leave the page while upload is in progress - $(window).bind('beforeunload', function(e) { - if ($.assocArraySize(uploadingFiles) > 0) { - return t('files','File upload is in progress. Leaving the page now will cancel the upload.'); + $(window).on('beforeunload', function(e) { + if (OC.Upload.isProcessing()) { + return t('files', 'File upload is in progress. Leaving the page now will cancel the upload.'); } }); |