mirror of
https://github.com/janeczku/calibre-web
synced 2024-08-25 02:56:44 +00:00
206 lines
7.2 KiB
JavaScript
206 lines
7.2 KiB
JavaScript
/*
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* bootstrap-uploadprogress
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* github: https://github.com/jakobadam/bootstrap-uploadprogress
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*
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* Copyright (c) 2015 Jakob Aarøe Dam
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* Version 1.0.0
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* Licensed under the MIT license.
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*/
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(function($) {
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"use strict";
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$.support.xhrFileUpload = !!(window.FileReader && window.ProgressEvent);
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$.support.xhrFormData = !!window.FormData;
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if (!$.support.xhrFileUpload || !$.support.xhrFormData) {
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// skip decorating form
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return;
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}
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var template = "<div class=\"modal fade\" id=\"file-progress-modal\">" +
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"<div class=\"modal-dialog upload-modal-dialog\">" +
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" <div class=\"modal-content\">" +
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" <div class=\"modal-header\">" +
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" <button type=\"button\" class=\"close\" data-dismiss=\"modal\" aria-label=\"Close\"><span aria-hidden=\"true\">×</span></button>" +
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" <h4 class=\"modal-title\">Uploading</h4>" +
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" </div>" +
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" <div class=\"modal-body\">" +
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" <div class=\"modal-message\"></div>" +
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" <div class=\"progress\">" +
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" <div class=\"progress-bar progress-bar-striped active\" role=\"progressbar\" aria-valuenow=\"0\" aria-valuemin=\"0\"" +
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" aria-valuemax=\"100\" style=\"width: 0%;min-width: 2em;\">" +
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" 0%" +
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" </div>" +
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" </div>" +
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" </div>" +
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" <div class=\"modal-footer\" style=\"display:none\">" +
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" <button type=\"button\" class=\"btn btn-default\" data-dismiss=\"modal\">Close</button>" +
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" </div>" +
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" </div>" +
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" </div>" +
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"</div>";
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var UploadProgress = function(element, options) {
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this.options = options;
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this.$element = $(element);
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};
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UploadProgress.prototype = {
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constructor: function() {
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this.$form = this.$element;
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this.$form.on("submit", $.proxy(this.submit, this));
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this.$modal = $(this.options.template);
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this.$modalTitle = this.$modal.find(".modal-title");
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this.$modalFooter = this.$modal.find(".modal-footer");
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this.$modalBar = this.$modal.find(".progress-bar");
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// Translate texts
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this.$modalTitle.text(this.options.modalTitle);
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this.$modalFooter.children("button").text(this.options.modalFooter);
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this.$modal.on("hidden.bs.modal", $.proxy(this.reset, this));
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},
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reset: function() {
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this.$modalTitle.text(this.options.modalTitle);
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this.$modalFooter.hide();
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this.$modalBar.addClass("progress-bar-success");
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this.$modalBar.removeClass("progress-bar-danger");
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if (this.xhr) {
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this.xhr.abort();
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}
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},
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submit: function(e) {
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e.preventDefault();
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this.$modal.modal({
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backdrop: "static",
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keyboard: false
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});
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// We need the native XMLHttpRequest for the progress event
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var xhr = new XMLHttpRequest();
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this.xhr = xhr;
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xhr.addEventListener("load", $.proxy(this.success, this, xhr));
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xhr.addEventListener("error", $.proxy(this.error, this, xhr));
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xhr.upload.addEventListener("progress", $.proxy(this.progress, this));
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var form = this.$form;
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xhr.open(form.attr("method"), form.attr("action"));
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xhr.setRequestHeader("X-REQUESTED-WITH", "XMLHttpRequest");
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var data = new FormData(form.get(0));
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xhr.send(data);
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},
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success: function(xhr) {
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if (xhr.status === 0 || xhr.status >= 400) {
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// HTTP 500 ends up here!?!
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return this.error(xhr);
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}
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this.setProgress(100);
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var url;
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var contentType = xhr.getResponseHeader("Content-Type");
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// make it possible to return the redirect URL in
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// a JSON response
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if (contentType.indexOf("application/json") !== -1) {
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var response = $.parseJSON(xhr.responseText);
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url = response.location;
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} else {
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url = this.options.redirect_url;
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}
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window.location.href = url;
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},
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// handle form error
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// we replace the form with the returned one
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error: function(xhr) {
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this.$modalTitle.text(this.options.modalTitleFailed);
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this.setProgress(100);
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this.$modalBar.removeClass("progress-bar-success");
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this.$modalBar.addClass("progress-bar-danger");
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this.$modalFooter.show();
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var contentType = xhr.getResponseHeader("Content-Type");
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// Write the error response to the document.
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if (xhr.status === 502 || xhr.status === 0) {
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if (xhr.statusText) {
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this.$modalBar.text(xhr.statusText + ": File size may be too big");
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} else {
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this.$modalBar.text("Error: File size may be too big");
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}
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}
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else if (contentType || xhr.status === 422) {
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var responseText = xhr.responseText;
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if (contentType.indexOf("text/plain") === -1) {
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responseText = "<pre>" + responseText + "</pre>";
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document.write(responseText);
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} else {
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this.$modalBar.text(responseText);
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}
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} else {
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this.$modalBar.text(this.options.modalTitleFailed);
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}
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},
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setProgress: function(percent) {
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var txt = percent + "%";
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if (percent === 100) {
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txt = this.options.uploadedMsg;
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}
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this.$modalBar.attr("aria-valuenow", percent);
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this.$modalBar.text(txt);
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this.$modalBar.css("width", percent + "%");
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},
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progress: function(/*ProgressEvent*/e) {
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var percent = Math.round((e.loaded / e.total) * 100);
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this.setProgress(percent);
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},
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// replaceForm replaces the contents of the current form
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// with the form in the html argument.
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// We use the id of the current form to find the new form in the html
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replaceForm: function(html) {
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var newForm;
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var formId = this.$form.attr("id");
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if ( typeof formId !== "undefined") {
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newForm = $(html).find("#" + formId);
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} else {
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newForm = $(html).find("form");
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}
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// add the filestyle again
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newForm.find(":file").filestyle({buttonBefore: true});
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this.$form.html(newForm.children());
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}
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};
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$.fn.uploadprogress = function(options) {
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return this.each(function() {
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var _options = $.extend({}, $.fn.uploadprogress.defaults, options);
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var fileProgress = new UploadProgress(this, _options);
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fileProgress.constructor();
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});
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};
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$.fn.uploadprogress.defaults = {
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template: template,
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uploadedMsg: "Upload done, processing, please wait...",
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modalTitle: "Uploading",
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modalFooter: "Close",
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modalTitleFailed: "Upload failed"
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//redirect_url: ...
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// need to customize stuff? Add here, and change code accordingly.
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};
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})(window.jQuery);
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