nextcloud/apps/files/js/file-upload.js

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/*
* Copyright (c) 2014
*
* This file is licensed under the Affero General Public License version 3
* or later.
*
* See the COPYING-README file.
*
*/
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/**
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* 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
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*/
/* global OC, t, n */
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/**
* 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();
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// Is the File API supported?
function supportFileAPI() {
var fi = document.createElement('INPUT');
fi.type = 'file';
return 'files' in fi;
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}
// Are progress events supported?
function supportAjaxUploadProgressEvents() {
var xhr = new XMLHttpRequest();
return !! (xhr && ('upload' in xhr) && ('onprogress' in xhr.upload));
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}
// Is FormData supported?
function supportFormData() {
return !! window.FormData;
}
}
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/**
* keeps track of uploads in progress and implements callbacks for the conflicts dialog
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* @type {OC.Upload}
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*/
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OC.Upload = {
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_uploads: [],
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/**
* deletes the jqHXR object from a data selection
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* @param {object} data
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*/
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deleteUpload:function(data) {
delete data.jqXHR;
},
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/**
* cancels all uploads
*/
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cancelUploads:function() {
this.log('canceling uploads');
jQuery.each(this._uploads,function(i, jqXHR) {
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jqXHR.abort();
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});
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this._uploads = [];
},
rememberUpload:function(jqXHR) {
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if (jqXHR) {
this._uploads.push(jqXHR);
}
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},
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/**
* Checks the currently known uploads.
* returns true if any hxr has the state 'pending'
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* @returns {boolean}
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*/
isProcessing:function() {
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var count = 0;
jQuery.each(this._uploads,function(i, data) {
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if (data.state() === 'pending') {
count++;
}
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});
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return count > 0;
},
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/**
* callback for the conflicts dialog
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* @param {object} data
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*/
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onCancel:function(data) {
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this.cancelUploads();
},
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/**
* callback for the conflicts dialog
* calls onSkip, onReplace or onAutorename for each conflict
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* @param {object} conflicts - list of conflict elements
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*/
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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 {
// when only original seleted -> skip
// when none selected -> skip
self.onSkip(conflict.data('data'));
}
});
},
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/**
* handle skipping an upload
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* @param {object} data
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*/
onSkip:function(data) {
this.log('skip', null, data);
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this.deleteUpload(data);
},
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/**
* handle replacing a file on the server with an uploaded file
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* @param {object} data
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*/
onReplace:function(data) {
this.log('replace', null, data);
if (data.data) {
data.data.append('resolution', 'replace');
} else {
data.formData.push({name:'resolution', value:'replace'}); //hack for ie8
}
data.submit();
},
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/**
* handle uploading a file and letting the server decide a new name
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* @param {object} data
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*/
onAutorename:function(data) {
this.log('autorename', null, data);
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if (data.data) {
data.data.append('resolution', 'autorename');
} else {
data.formData.push({name:'resolution', value:'autorename'}); //hack for ie8
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}
data.submit();
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},
_trace:false, //TODO implement log handler for JS per class?
log:function(caption, e, data) {
if (this._trace) {
console.log(caption);
console.log(data);
}
},
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/**
* TODO checks the list of existing files prior to uploading and shows a simple dialog to choose
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* skip all, replace all or choose which files to keep
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* @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
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*/
checkExistingFiles: function (selection, callbacks) {
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// TODO check filelist before uploading and show dialog on conflicts, use callbacks
callbacks.onNoConflicts(selection);
}
};
$(document).ready(function() {
if ( $('#file_upload_start').exists() ) {
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var file_upload_param = {
dropZone: $('#content'), // restrict dropZone to content div
autoUpload: false,
sequentialUploads: true,
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//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
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* @param {object} e
* @param {object} data
* @returns {boolean}
*/
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add: function(e, data) {
OC.Upload.log('add', e, data);
var that = $(this);
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// 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
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// 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;
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// add uploads
if ( selection.uploads.length < selection.filesToUpload ) {
// remember upload
selection.uploads.push(data);
}
//examine file
var file = data.files[0];
try {
// FIXME: not so elegant... need to refactor that method to return a value
Files.isFileNameValid(file.name);
}
catch (errorMessage) {
data.textStatus = 'invalidcharacters';
data.errorThrown = errorMessage;
}
if (file.type === '' && file.size === 4096) {
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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 PHP upload limit
if (selection.totalBytes > $('#upload_limit').val()) {
data.textStatus = 'sizeexceedlimit';
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data.errorThrown = t('files', 'Total file size {size1} exceeds upload limit {size2}', {
'size1': humanFileSize(selection.totalBytes),
'size2': humanFileSize($('#upload_limit').val())
});
}
// check free space
if (selection.totalBytes > $('#free_space').val()) {
data.textStatus = 'notenoughspace';
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data.errorThrown = t('files', 'Not enough free space, you are uploading {size1} but only {size2} is left', {
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'size1': humanFileSize(selection.totalBytes),
'size2': humanFileSize($('#free_space').val())
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});
}
// end upload for whole selection on error
if (data.errorThrown) {
// trigger fileupload fail
var fu = that.data('blueimp-fileupload') || that.data('fileupload');
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fu._trigger('fail', e, data);
return false; //don't upload anything
}
// 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();
});
}
};
OC.Upload.checkExistingFiles(selection, callbacks);
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}
return true; // continue adding files
},
/**
* called after the first add, does NOT have the data param
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* @param {object} e
*/
start: function(e) {
OC.Upload.log('start', e, null);
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},
submit: function(e, data) {
OC.Upload.rememberUpload(data);
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if ( ! data.formData ) {
// noone set update parameters, we set the minimum
data.formData = {
requesttoken: oc_requesttoken,
dir: $('#dir').val()
};
}
},
fail: function(e, data) {
OC.Upload.log('fail', e, data);
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if (typeof data.textStatus !== 'undefined' && data.textStatus !== 'success' ) {
if (data.textStatus === 'abort') {
OC.Notification.show(t('files', 'Upload cancelled.'));
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} else {
// HTTP connection problem
OC.Notification.show(data.errorThrown);
if (data.result) {
var result = JSON.parse(data.result);
if (result && result[0] && result[0].data && result[0].data.code === 'targetnotfound') {
// abort upload of next files if any
OC.Upload.cancelUploads();
}
}
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}
//hide notification after 10 sec
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setTimeout(function() {
OC.Notification.hide();
}, 10000);
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}
OC.Upload.deleteUpload(data);
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},
/**
* called for every successful upload
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* @param {object} e
* @param {object} data
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*/
done:function(e, data) {
OC.Upload.log('done', e, data);
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// handle different responses (json or body from iframe for ie)
var response;
if (typeof data.result === 'string') {
response = data.result;
} else {
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//fetch response from iframe
response = data.result[0].body.innerText;
}
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var result=$.parseJSON(response);
delete data.jqXHR;
if (result.status === 'error' && result.data && result.data.message){
data.textStatus = 'servererror';
data.errorThrown = result.data.message;
var fu = $(this).data('blueimp-fileupload') || $(this).data('fileupload');
fu._trigger('fail', e, data);
} else 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;
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data.textStatus = 'servererror';
data.errorThrown = result[0].data.message; // error message has been translated on server
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var fu = $(this).data('blueimp-fileupload') || $(this).data('fileupload');
fu._trigger('fail', e, data);
}
},
/**
* called after last upload
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* @param {object} e
* @param {object} data
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*/
stop: function(e, data) {
OC.Upload.log('stop', e, data);
}
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};
// initialize jquery fileupload (blueimp)
var fileupload = $('#file_upload_start').fileupload(file_upload_param);
window.file_upload_param = fileupload;
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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;
$('#uploadprogressbar').progressbar('value', progress);
});
fileupload.on('fileuploadstop', function(e, data) {
OC.Upload.log('progress handle fileuploadstop', e, data);
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$('#uploadprogresswrapper input.stop').fadeOut();
$('#uploadprogressbar').fadeOut();
Files.updateStorageStatistics();
});
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();
$('#uploadprogressbar').fadeOut();
}
});
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} else {
console.log('skipping file progress because your browser is broken');
}
}
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$.assocArraySize = function(obj) {
// http://stackoverflow.com/a/6700/11236
var size = 0, key;
for (key in obj) {
if (obj.hasOwnProperty(key)) {
size++;
}
}
return size;
};
// warn user not to leave the page while upload is in progress
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$(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.');
}
});
//add multiply file upload attribute to all browsers except konqueror (which crashes when it's used)
if (navigator.userAgent.search(/konqueror/i) === -1) {
$('#file_upload_start').attr('multiple', 'multiple');
}
//if the breadcrumb is to long, start by replacing foldernames with '...' except for the current folder
var crumb=$('div.crumb').first();
while($('div.controls').height() > 40 && crumb.next('div.crumb').length > 0) {
crumb.children('a').text('...');
crumb = crumb.next('div.crumb');
}
//if that isn't enough, start removing items from the breacrumb except for the current folder and it's parent
var crumb = $('div.crumb').first();
var next = crumb.next('div.crumb');
while($('div.controls').height()>40 && next.next('div.crumb').length > 0) {
crumb.remove();
crumb = next;
next = crumb.next('div.crumb');
}
//still not enough, start shorting down the current folder name
var crumb=$('div.crumb>a').last();
while($('div.controls').height() > 40 && crumb.text().length > 6) {
var text=crumb.text();
text = text.substr(0,text.length-6)+'...';
crumb.text(text);
}
$(document).click(function(ev) {
// do not close when clicking in the dropdown
if ($(ev.target).closest('#new').length){
return;
}
$('#new>ul').hide();
$('#new').removeClass('active');
if ($('#new .error').length > 0) {
$('#new .error').tipsy('hide');
}
$('#new li').each(function(i,element) {
if ($(element).children('p').length === 0) {
$(element).children('form').remove();
$(element).append('<p>'+$(element).data('text')+'</p>');
}
});
});
$('#new').click(function(event) {
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event.stopPropagation();
});
$('#new>a').click(function() {
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$('#new>ul').toggle();
$('#new').toggleClass('active');
});
$('#new li').click(function() {
if ($(this).children('p').length === 0) {
return;
}
$('#new .error').tipsy('hide');
$('#new li').each(function(i,element) {
if ($(element).children('p').length === 0) {
$(element).children('form').remove();
$(element).append('<p>'+$(element).data('text')+'</p>');
}
});
var type=$(this).data('type');
var text=$(this).children('p').text();
$(this).data('text',text);
$(this).children('p').remove();
// add input field
var form = $('<form></form>');
var input = $('<input type="text">');
var newName = $(this).attr('data-newname') || '';
if (newName) {
input.val(newName);
}
form.append(input);
$(this).append(form);
var lastPos;
var checkInput = function () {
var filename = input.val();
if (type === 'web' && filename.length === 0) {
throw t('files', 'URL cannot be empty');
} else if (type !== 'web' && !Files.isFileNameValid(filename)) {
// Files.isFileNameValid(filename) throws an exception itself
} else if ($('#dir').val() === '/' && filename === 'Shared') {
throw t('files', 'In the home folder \'Shared\' is a reserved filename');
} else if (FileList.inList(filename)) {
throw t('files', '{new_name} already exists', {new_name: filename});
} else {
return true;
}
};
// verify filename on typing
input.keyup(function(event) {
try {
checkInput();
input.tipsy('hide');
input.removeClass('error');
} catch (error) {
input.attr('title', error);
input.tipsy({gravity: 'w', trigger: 'manual'});
input.tipsy('show');
input.addClass('error');
}
});
input.focus();
// pre select name up to the extension
lastPos = newName.lastIndexOf('.');
if (lastPos === -1) {
lastPos = newName.length;
}
input.selectRange(0, lastPos);
form.submit(function(event) {
event.stopPropagation();
event.preventDefault();
try {
checkInput();
var newname = input.val();
if (FileList.lastAction) {
FileList.lastAction();
}
var name = getUniqueName(newname);
if (newname !== name) {
FileList.checkName(name, newname, true);
var hidden = true;
} else {
var hidden = false;
}
switch(type) {
case 'file':
$.post(
OC.filePath('files', 'ajax', 'newfile.php'),
{dir:$('#dir').val(), filename:name},
function(result) {
if (result.status === 'success') {
var date = new Date();
// TODO: ideally addFile should be able to receive
// all attributes and set them automatically,
// and also auto-load the preview
var tr = FileList.addFile(name, 0, date, false, hidden);
tr.attr('data-size', result.data.size);
tr.attr('data-mime', result.data.mime);
tr.attr('data-id', result.data.id);
tr.attr('data-etag', result.data.etag);
tr.find('.filesize').text(humanFileSize(result.data.size));
var path = getPathForPreview(name);
Files.lazyLoadPreview(path, result.data.mime, function(previewpath) {
tr.find('td.filename').attr('style','background-image:url('+previewpath+')');
}, null, null, result.data.etag);
FileActions.display(tr.find('td.filename'), true);
} else {
OC.dialogs.alert(result.data.message, t('core', 'Could not create file'));
}
}
);
break;
case 'folder':
$.post(
OC.filePath('files','ajax','newfolder.php'),
{dir:$('#dir').val(), foldername:name},
function(result) {
if (result.status === 'success') {
var date=new Date();
FileList.addDir(name, 0, date, hidden);
var tr = FileList.findFileEl(name);
tr.attr('data-id', result.data.id);
} else {
OC.dialogs.alert(result.data.message, t('core', 'Could not create folder'));
}
}
);
break;
case 'web':
if (name.substr(0,8) !== 'https://' && name.substr(0,7) !== 'http://') {
name = 'http://' + name;
}
var localName=name;
if (localName.substr(localName.length-1,1)==='/') {//strip /
localName=localName.substr(0,localName.length-1);
}
if (localName.indexOf('/')) {//use last part of url
localName=localName.split('/').pop();
} else { //or the domain
localName=(localName.match(/:\/\/(.[^\/]+)/)[1]).replace('www.','');
}
localName = getUniqueName(localName);
//IE < 10 does not fire the necessary events for the progress bar.
if ($('html.lte9').length === 0) {
$('#uploadprogressbar').progressbar({value:0});
$('#uploadprogressbar').fadeIn();
}
var eventSource=new OC.EventSource(OC.filePath('files','ajax','newfile.php'),{dir:$('#dir').val(),source:name,filename:localName});
eventSource.listen('progress',function(progress) {
//IE < 10 does not fire the necessary events for the progress bar.
if ($('html.lte9').length === 0) {
$('#uploadprogressbar').progressbar('value',progress);
}
});
eventSource.listen('success',function(data) {
var mime = data.mime;
var size = data.size;
var id = data.id;
$('#uploadprogressbar').fadeOut();
var date = new Date();
FileList.addFile(localName, size, date, false, hidden);
var tr = FileList.findFileEl(localName);
tr.data('mime', mime).data('id', id);
tr.attr('data-id', id);
var path = $('#dir').val()+'/'+localName;
Files.lazyLoadPreview(path, mime, function(previewpath) {
tr.find('td.filename').attr('style', 'background-image:url('+previewpath+')');
}, null, null, data.etag);
FileActions.display(tr.find('td.filename'), true);
});
eventSource.listen('error',function(error) {
$('#uploadprogressbar').fadeOut();
var message = (error && error.message) || t('core', 'Error fetching URL');
OC.Notification.show(message);
//hide notification after 10 sec
setTimeout(function() {
OC.Notification.hide();
}, 10000);
});
break;
}
var li=form.parent();
form.remove();
/* workaround for IE 9&10 click event trap, 2 lines: */
$('input').first().focus();
$('#content').focus();
li.append('<p>'+li.data('text')+'</p>');
$('#new>a').click();
} catch (error) {
input.attr('title', error);
input.tipsy({gravity: 'w', trigger: 'manual'});
input.tipsy('show');
input.addClass('error');
}
});
});
window.file_upload_param = file_upload_param;
});