reiern70 commented on code in PR #571: URL: https://github.com/apache/wicket/pull/571#discussion_r1163584820
########## wicket-core/src/main/java/org/apache/wicket/markup/html/form/upload/resource/FileUploadToResourceField.js: ########## @@ -0,0 +1,99 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +;(function (undefined) { + + 'use strict'; + + if (typeof(Wicket.FileUploadToResourceField) === 'object') { + return; + } + + Wicket.FileUploadToResourceField = function (settings, clientSideSuccessCallBack, clientSideCancelCallBack, connectionErrorCallBack) + { + this.inputName = settings.inputName; + this.input = document.getElementById(this.inputName); + this.resourceUrl = settings.resourceUrl + "?uploadId=" + this.inputName; + this.ajaxCallBackUrl = settings.ajaxCallBackUrl; + this.clientSideSuccessCallBack = clientSideSuccessCallBack; + this.clientSideCancelCallBack = clientSideCancelCallBack; + this.connectionErrorCallBack = connectionErrorCallBack; + } + + Wicket.FileUploadToResourceField.prototype.upload = function() + { + // we add the files to a FormData object. + var formData = new FormData(); + var totalfiles = this.input.files.length; + for (var index = 0; index < totalfiles; index++) { + formData.append("FILE-UPLOAD",this.input.files[index]); + } + // pass the input name to knw where to store files at server side. + formData.append("uploadId", this.inputName); + var self = this; + // we use jQuery to post the file to the resource (this.resourceUrl) + // and we keep a reference to the request in order to be able + // to cancel the upload + this.xhr = $.ajax({ + url: this.resourceUrl, + type: "POST", + data: formData, + processData: false, + contentType: false, + success: function (res) { + // do clean up on success + self.clientSideSuccessCallBack(); + if (res.error) { + var ep = {'success': false, 'errorMessage': res.errorMessage}; + Wicket.Ajax.get({"u": self.ajaxCallBackUrl, "ep": ep}); + self.connectionErrorCallBack(res); + } else { + var ep = {'success': true, 'filesInfo': JSON.stringify(res)}; + Wicket.Ajax.get({"u": self.ajaxCallBackUrl, "ep": ep}); + } + }, + error: function (jqXHR, textStatus, errorThrown) { + if (textStatus === "abort") { + // user aborted the upload. + self.clientSideCancelCallBack(); + var ep = {'success': false, 'errorMessage': 'upload.canceled'}; + Wicket.Ajax.get({"u": self.ajaxCallBackUrl, "ep": ep}); + } else if (textStatus === "error"){ + var ep = {'success': false, 'errorMessage': errorThrown}; + Wicket.Ajax.get({"u": self.ajaxCallBackUrl, "ep": ep}); + self.connectionErrorCallBack(); + } else if (textStatus === "parsererror"){ + // this error will only happen is generated JSON at server side is faulty + var data = jqXHR.responseText; + Wicket.Log.log(data); + } + } + }); + } + + // cancel the upload + Wicket.FileUploadToResourceField.prototype.cancel = function () { + // we have a reference to the request we can cancel it. + if (this.xhr) { + this.xhr.abort(); + Wicket.Log.log("upload canceled!"); Review Comment: Done -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
