progressbar during upload thanks to jim3ma
Ozzieisaacs
6 years ago
parent
0fa45f5800
commit
56826f67fc
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@media (min-device-width: 768px) {
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.modal-dialog {
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position: absolute;
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top: 45%;
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left: 50%;
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transform: translate(-50%, -50%) !important;
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}
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}
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@ -0,0 +1,198 @@
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/*
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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">\
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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 = $(this.options.template);
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this.$modal_message = this.$modal.find('.modal-message');
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this.$modal_title = this.$modal.find('.modal-title');
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this.$modal_footer = this.$modal.find('.modal-footer');
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this.$modal_bar = this.$modal.find('.progress-bar');
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this.$modal.on('hidden.bs.modal', $.proxy(this.reset, this));
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},
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reset: function(){
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this.$modal_title = this.$modal_title.text('Uploading');
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this.$modal_footer.hide();
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this.$modal_bar.addClass('progress-bar-success');
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this.$modal_bar.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.addEventListener('abort', function(){});
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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.set_progress(100);
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var url;
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var content_type = 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(content_type.indexOf('application/json') !== -1){
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var response = $.parseJSON(xhr.responseText);
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console.log(response);
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url = response.location;
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}
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else{
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url = this.options.redirect_url;
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}
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window.location.href = url;
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},
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// handle form error
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// we replace the form with the returned one
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error: function(xhr){
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this.$modal_title.text('Upload failed');
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this.$modal_bar.removeClass('progress-bar-success');
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this.$modal_bar.addClass('progress-bar-danger');
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this.$modal_footer.show();
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var content_type = xhr.getResponseHeader('Content-Type');
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// Replace the contents of the form, with the returned html
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if(xhr.status === 422){
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var new_html = $.parseHTML(xhr.responseText);
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this.replace_form(new_html);
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this.$modal.modal('hide');
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}
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// Write the error response to the document.
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else{
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var response_text = xhr.responseText;
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if(content_type.indexOf('text/plain') !== -1){
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response_text = '<pre>' + response_text + '</pre>';
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}
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document.write(xhr.responseText);
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}
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},
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set_progress: function(percent){
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var txt = percent + '%';
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if (percent == 100) {
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txt = this.options.uploaded_msg;
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}
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this.$modal_bar.attr('aria-valuenow', percent);
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this.$modal_bar.text(txt);
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this.$modal_bar.css('width', percent + '%');
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},
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progress: function(/*ProgressEvent*/e){
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var percent = Math.round((e.loaded / e.total) * 100);
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this.set_progress(percent);
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},
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// replace_form replaces the contents of the current form
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// with the form in the html argument.
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// We use the id of the current form to find the new form in the html
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replace_form: function(html){
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var new_form;
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var form_id = this.$form.attr('id');
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if(form_id !== undefined){
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new_form = $(html).find('#' + form_id);
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}
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else{
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new_form = $(html).find('form');
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}
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// add the filestyle again
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new_form.find(':file').filestyle({buttonBefore: true});
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this.$form.html(new_form.children());
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}
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};
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$.fn.uploadprogress = function(options, value){
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return this.each(function(){
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var _options = $.extend({}, $.fn.uploadprogress.defaults, options);
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var file_progress = new UploadProgress(this, _options);
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file_progress.constructor();
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});
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};
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$.fn.uploadprogress.defaults = {
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template: template,
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uploaded_msg: "Upload done, processing, please wait..."
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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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