mirror of
https://github.com/EGroupware/egroupware.git
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Async file uploads
This commit is contained in:
Nathan Gray
parent
0607a2c9a8
commit
8875c94c24
88
etemplate/inc/class.etemplate_widget_file.inc.php
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88
etemplate/inc/class.etemplate_widget_file.inc.php
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@ -0,0 +1,88 @@
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<?php
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/**
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* EGroupware - eTemplate serverside file upload widget
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*
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* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
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* @package etemplate
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* @subpackage api
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* @link http://www.egroupware.org
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* @author Nathan Gray
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* @copyright 2011 Nathan Gray
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* @version $Id$
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*/
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/**
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* eTemplate file upload widget
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* Uses AJAX to send file(s) to server, and stores for submit
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*/
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class etemplate_widget_file extends etemplate_widget
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{
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public function __construct($xml='') {
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if($xml) parent::__construct($xml);
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}
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/**
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* Ajax callback to receive an incoming file
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*
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* The incoming file is moved from its temporary location (otherwise server will delete it) and
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* the file information is stored into the widget's value. When the form is submitted, the information for all
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* files uploaded is available in the returned $content array. Because files are uploaded asynchronously,
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* submission should be quick.
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*
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* @note Currently, no attempt is made to clean up files automatically.
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*/
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public static function ajax_upload() {
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$response = egw_json_response::get();
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$request_id = str_replace(' ', '+', rawurldecode($_REQUEST['request_id']));
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$widget_id = $_REQUEST['widget_id'];
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if(!self::$request = etemplate_request::read($request_id)) {
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$response->error("Could not read session");
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return;
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}
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foreach ($_FILES as $field => $file) {
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if ($file['error'] == UPLOAD_ERR_OK) {
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if (is_dir($GLOBALS['egw_info']['server']['temp_dir']) && is_writable($GLOBALS['egw_info']['server']['temp_dir']))
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{
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$new_file = tempnam($GLOBALS['egw_info']['server']['temp_dir'],'egw_');
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}
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else
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{
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$new_file = $value['file']['tmp_name'].'+';
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}
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// Files come from ajax Base64 encoded
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$handle = fopen($new_file, 'w');
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list($prefix, $data) = explode(',', file_get_contents($file['tmp_name']));
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$file['tmp_name'] = $new_file;
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fwrite($handle, base64_decode($data));
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fclose($handle);
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// Store info for future submit
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$data = egw_session::appsession($request_id.'_files');
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$form_name = self::form_name($cname, $field);
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$data[$form_name][] = $file;
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egw_session::appsession($request_id.'_files','',$data);
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}
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}
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}
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/**
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* Validate input
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* Merge any already uploaded files into the content array
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*
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* @param string $cname current namespace
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* @param array $content
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* @param array &$validated=array() validated content
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*/
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public function validate($cname, array $content, &$validated=array())
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{
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$form_name = self::form_name($cname, $this->id);
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$value = $value_in = self::get_array($content, $form_name);
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$valid =& self::get_array($validated, $form_name, true);
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$files = egw_session::appsession(self::$request->id().'_files');
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$valid = $files[$form_name];
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}
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}
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etemplate_widget::registerWidget('etemplate_widget_file', array('file'));
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@ -14,6 +14,7 @@
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/*egw:uses
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et2_core_inputWidget;
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phpgwapi.jquery.jquery.html5_upload;
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*/
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/**
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@ -48,11 +49,27 @@ var et2_file = et2_inputWidget.extend({
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}
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},
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asyncOptions: {},
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init: function() {
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this._super.apply(this, arguments)
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this.node = null;
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// Set up the URL to have the request ID & the widget ID
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var instance = this.getInstanceManager();
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var self = this;
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this.asyncOptions = {
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// Callbacks
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onStartOne: function(event, file_name) { return self.createStatus(event,file_name);},
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onFinishOne: function(event, response, name, number, total) { return self.finishUpload(event,response,name,number,total);},
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sendBoundary: window.FormData || jQuery.browser.mozilla,
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url: egw_json_request.prototype._assembleAjaxUrl("etemplate_widget_file::ajax_upload") +
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"&request_id="+ instance.etemplate_exec_id
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};
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this.asyncOptions.fieldName = this.options.id;
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this.createInputWidget();
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},
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@ -60,8 +77,13 @@ var et2_file = et2_inputWidget.extend({
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this.node = $j(document.createElement("div")).addClass("et2_file");
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this.input = $j(document.createElement("input"))
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.attr("type", "file").attr("placeholder", this.options.blur)
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.appendTo(this.node)
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.change(this, this.change);
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.appendTo(this.node);
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// Check for File interface, should fall back to normal form submit if missing
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if(typeof File != "undefined" && typeof (new XMLHttpRequest()).upload != "undefined")
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{
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this.input.html5_upload(this.asyncOptions);
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}
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this.progress = this.options.progress ?
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$j(document.getElementById(this.options.progress)) :
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$j(document.createElement("div")).appendTo(this.node);
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@ -78,52 +100,26 @@ var et2_file = et2_inputWidget.extend({
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},
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/**
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* User has selected some files file, send them off
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* Creates the elements used for displaying the file, and it's upload status, and
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* attaches them to the DOM
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*/
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change: function(e) {
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console.log(e);
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if(!e.target.files || e.target.files.length == 0) return;
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for(var i = 0; i < e.target.files.length; i++) {
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var file = e.target.files[i];
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// Add to list
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var status = this.createStatus(file);
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this.progress.append(status);
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// Check if OK
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if(file.size > this.options.max_file_size) {
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// TODO: Try to slice into acceptable pieces
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status.addClass("ui-state-error");
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this.showMessage(egw.lang("File is too large."), "validation_error");
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var self = this;
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window.setTimeout(function() {self.hideMessage(true); status.remove();}, 5000);
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}
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createStatus: function(event, file_name) {
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if(this.progress)
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{
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$j("<li file='"+file_name+"'>"+file_name+"<div class='progressBar'><p/></div></li>").appendTo(this.progress);
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}
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// Reset field
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e.data.input.attr("type", "input").attr("type","file");
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return true;
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},
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/**
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* Upload a single file asyncronously
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* A file upload is finished, update the UI
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*/
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_upload_file: function(file) {
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// Start upload
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console.log(this, file);
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},
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/**
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* Creates the elements used for displaying the file, and it's upload status
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*
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* @param file A JS File object
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* @return a jQuery object with the elements
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*/
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createStatus: function(file) {
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return $j("<li>"+file.name+"<div class='progressBar'><p/></div></li>");
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finishUpload: function(event, response, name, number, total) {
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if(this.progress)
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{
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$j("[file='"+name+"']",this.progress).addClass("upload_finished");
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}
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}
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});
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et2_register_widget(et2_file, ["file"]);
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@ -190,6 +190,30 @@ span.et2_date span {
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font-size: 9pt;
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}
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/**
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* File upload
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*/
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.et2_file .progress {
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max-height: 6em;
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overflow: auto;
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margin-left: 20px;
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-moz-column-count: 4;
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-moz-column-gap: 20px;
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-webkit-column-count: 4;
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-webkit-column-gap: 20px;
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column-count: 4;
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column-gap: 20px;
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}
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.et2_file .progress li {
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color: blue;
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}
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.et2_file .progress li.upload_finished {
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color: green;
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}
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.egw_tooltip
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{
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position: fixed;
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@ -16,8 +16,18 @@ include('../../../header.inc.php');
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egw_framework::validate_file('.','etemplate2','etemplate');
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egw_framework::validate_file('jquery','jquery.tools.min','phpgwapi'); // Not needed once JS require works for files like this
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egw_framework::validate_file('jquery','jquery.html5_upload','phpgwapi'); // Not needed once JS require works for files like this
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egw_framework::includeCSS('/etemplate/js/test/test.css');
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/*
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* Test using any actual template
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*/
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// $template = 'etemplate.et2_test_file_upload';
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if($template) {
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$etemplate = new etemplate_new('etemplate.et2_test_file_upload');
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$etemplate->exec('',array());
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return;
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}
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common::egw_header();
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// parse_navbar();
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?>
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222
phpgwapi/js/jquery/jquery.html5_upload.js
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222
phpgwapi/js/jquery/jquery.html5_upload.js
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(function($) {
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jQuery.fn.html5_upload = function(options) {
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var available_events = ['onStart', 'onStartOne', 'onProgress', 'onFinishOne', 'onFinish', 'onError'];
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var options = jQuery.extend({
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onStart: function(event, total) {
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return true;
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},
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onStartOne: function(event, name, number, total) {
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return true;
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},
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onProgress: function(event, progress, name, number, total) {
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},
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onFinishOne: function(event, response, name, number, total) {
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},
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onFinish: function(event, total) {
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},
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onError: function(event, name, error) {
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},
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onBrowserIncompatible: function() {
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alert("Sorry, but your browser is incompatible with uploading files using HTML5 (at least, with current preferences.\n Please install the latest version of Firefox, Safari or Chrome");
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},
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autostart: true,
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autoclear: true,
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stopOnFirstError: false,
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sendBoundary: false,
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fieldName: 'user_file[]',//ignore if sendBoundary is false
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method: 'post',
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STATUSES: {
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'STARTED': 'Запуск',
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'PROGRESS': 'Загрузка',
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'LOADED': 'Обработка',
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'FINISHED': 'Завершено'
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},
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headers: {
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"Cache-Control":"no-cache",
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"X-Requested-With":"XMLHttpRequest",
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"X-File-Name": function(file){return file.fileName},
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"X-File-Size": function(file){return file.fileSize},
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"Content-Type": function(file){
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if (!options.sendBoundary) return 'multipart/form-data';
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return false;
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}
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},
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setName: function(text) {},
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setStatus: function(text) {},
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setProgress: function(value) {},
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genName: function(file, number, total) {
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return file + "(" + (number+1) + " из " + total + ")";
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},
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genStatus: function(progress, finished) {
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if (finished) {
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return options.STATUSES['FINISHED'];
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}
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if (progress == 0) {
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return options.STATUSES['STARTED'];
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}
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else if (progress == 1) {
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return options.STATUSES['LOADED'];
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}
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else {
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return options.STATUSES['PROGRESS'];
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}
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},
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genProgress: function(loaded, total) {
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return loaded / total;
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}
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}, options);
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function upload() {
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var files = this.files;
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var total = files.length;
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var $this = $(this);
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if (!$this.triggerHandler('html5_upload.onStart', [total])) {
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return false;
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}
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this.disabled = true;
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var uploaded = 0;
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var xhr = this.html5_upload['xhr'];
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this.html5_upload['continue_after_abort'] = true;
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function upload_file(number) {
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if (number == total) {
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$this.trigger('html5_upload.onFinish', [total]);
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options.setStatus(options.genStatus(1, true));
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$this.attr("disabled", false);
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if (options.autoclear) {
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$this.val("");
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}
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return;
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}
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var file = files[number];
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if (!$this.triggerHandler('html5_upload.onStartOne', [file.fileName, number, total])) {
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return upload_file(number+1);
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}
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options.setStatus(options.genStatus(0));
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options.setName(options.genName(file.fileName, number, total));
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options.setProgress(options.genProgress(0, file.fileSize));
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xhr.upload['onprogress'] = function(rpe) {
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$this.trigger('html5_upload.onProgress', [rpe.loaded / rpe.total, file.fileName, number, total]);
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options.setStatus(options.genStatus(rpe.loaded / rpe.total));
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options.setProgress(options.genProgress(rpe.loaded, rpe.total));
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};
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xhr.onload = function(load) {
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$this.trigger('html5_upload.onFinishOne', [xhr.responseText, file.fileName, number, total]);
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options.setStatus(options.genStatus(1, true));
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options.setProgress(options.genProgress(file.fileSize, file.fileSize));
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upload_file(number+1);
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};
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xhr.onabort = function() {
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if ($this[0].html5_upload['continue_after_abort']) {
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upload_file(number+1);
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}
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else {
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$this.attr("disabled", false);
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if (options.autoclear) {
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$this.val("");
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}
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}
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};
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xhr.onerror = function(e) {
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$this.trigger('html5_upload.onError', [file.fileName, e]);
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if (!options.stopOnFirstError) {
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upload_file(number+1);
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}
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};
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xhr.open(options.method, typeof(options.url) == "function" ? options.url(number) : options.url, true);
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$.each(options.headers,function(key,val){
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val = typeof(val) == "function" ? val(file) : val; // resolve value
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if (val === false) return true; // if resolved value is boolean false, do not send this header
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xhr.setRequestHeader(key, val);
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});
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if (!options.sendBoundary) {
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xhr.send(file);
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}
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else {
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if (window.FormData) {//Many thanks to scottt.tw
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var f = new FormData();
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f.append(typeof(options.fieldName) == "function" ? options.fieldName() : options.fieldName, file);
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xhr.send(f);
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}
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else if (file.getAsBinary) {//Thanks to jm.schelcher
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var boundary = '------multipartformboundary' + (new Date).getTime();
|
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var dashdash = '--';
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var crlf = '\r\n';
|
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/* Build RFC2388 string. */
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var builder = '';
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||||
|
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builder += dashdash;
|
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builder += boundary;
|
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builder += crlf;
|
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|
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builder += 'Content-Disposition: form-data; name="'+(typeof(options.fieldName) == "function" ? options.fieldName() : options.fieldName)+'"';
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|
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//thanks to oyejo...@gmail.com for this fix
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fileName = unescape(encodeURIComponent(file.fileName)); //encode_utf8
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builder += '; filename="' + fileName + '"';
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builder += crlf;
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builder += 'Content-Type: application/octet-stream';
|
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builder += crlf;
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builder += crlf;
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/* Append binary data. */
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builder += file.getAsBinary();
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builder += crlf;
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/* Write boundary. */
|
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builder += dashdash;
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builder += boundary;
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builder += dashdash;
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builder += crlf;
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xhr.setRequestHeader('content-type', 'multipart/form-data; boundary=' + boundary);
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xhr.sendAsBinary(builder);
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}
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else {
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options.onBrowserIncompatible();
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}
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||||
}
|
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}
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upload_file(0);
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return true;
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}
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return this.each(function() {
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this.html5_upload = {
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xhr: new XMLHttpRequest(),
|
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continue_after_abort: true
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};
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if (options.autostart) {
|
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$(this).bind('change', upload);
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}
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for (event in available_events) {
|
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if (options[available_events[event]]) {
|
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$(this).bind("html5_upload."+available_events[event], options[available_events[event]]);
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}
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}
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$(this)
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.bind('html5_upload.start', upload)
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.bind('html5_upload.cancelOne', function() {
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this.html5_upload['xhr'].abort();
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})
|
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.bind('html5_upload.cancelAll', function() {
|
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this.html5_upload['continue_after_abort'] = false;
|
||||
this.html5_upload['xhr'].abort();
|
||||
})
|
||||
.bind('html5_upload.destroy', function() {
|
||||
this.html5_upload['continue_after_abort'] = false;
|
||||
this.xhr.abort();
|
||||
delete this.html5_upload;
|
||||
$(this).unbind('html5_upload.*').unbind('change', upload);
|
||||
});
|
||||
});
|
||||
};
|
||||
})(jQuery);
|
||||
Loading…
Reference in New Issue
Block a user