| /* Licensed under the Apache License, Version 2.0 (the "License") http://www.apache.org/licenses/LICENSE-2.0 */ |
| var Upload = (function() { |
| let progress, progressBar, progressTitle, curUid; |
| |
| function _setProgress(prg) { |
| const progressP = prg + '%'; |
| progressBar.css('width', progressP) |
| .attr('aria-valuenow', prg) |
| .text(progressP); |
| } |
| function _onWsMessage(_, msg) { |
| try { |
| if (msg instanceof Blob) { |
| return; //ping |
| } |
| const m = JSON.parse(msg); |
| if (m && 'omws-upload' === m.type && curUid === m.uuid) { |
| switch (m.status) { |
| case 'ERROR': |
| OmUtil.error(m.message); |
| break; |
| case 'PROGRESS': |
| _setProgress(m.progress) |
| if (m.progress === 100) { |
| $('#omws-upload-form').parents('.modal').modal('hide'); |
| _cleanup(); |
| } |
| break; |
| default: |
| //no-op |
| } |
| } |
| } catch (err) { |
| OmUtil.error(err); |
| } |
| } |
| function _cleanup() { |
| Wicket.Event.unsubscribe('/websocket/message', _onWsMessage); |
| } |
| function _bindUpload(extaBindFunc) { |
| const form = $('#omws-upload-form') |
| , fi = form.find('.fileinput') |
| progress = form.parent().find('.progress-block'); |
| progressTitle = progress.find('.progress-title'); |
| progressBar = progress.find('.progress-bar'); |
| _cleanup(); |
| form.show(); |
| progress.addClass('d-none'); |
| let uploadBtn = $('#omws-upload-btn'); |
| if (uploadBtn.length === 0) { |
| uploadBtn = $('<button id="omws-upload-btn" class="btn btn-outline-primary"></button>') |
| .text(form.data('upload-lbl')); |
| form.parents('.modal-content').find('.modal-footer').prepend(uploadBtn); |
| uploadBtn.click(function() { |
| const cform = $('#omws-upload-form'); |
| $.ajax({ |
| url: cform.attr('action') |
| , type: 'POST' |
| , data: new FormData($('#omws-upload-form')[0]) |
| , processData: false |
| , contentType: false |
| , xhr: function () { |
| const xhr = new XMLHttpRequest(); |
| xhr.upload.addEventListener('progress', evt => _setProgress((100 * evt.loaded / evt.total).toFixed(2)), false); |
| xhr.upload.addEventListener('loadstart', () => { |
| uploadBtn.attr('disabled', 'disabled'); |
| cform.hide(); |
| progressTitle.text(progressTitle.data('upload-lbl')); |
| progress.removeClass('d-none'); |
| }, false); |
| return xhr; |
| } |
| }).done(function(data) { |
| curUid = data.uuid; |
| progressTitle.text(progressTitle.data('converting-lbl')); |
| _setProgress(0); |
| Wicket.Event.subscribe('/websocket/message', _onWsMessage); |
| }).fail(function(e) { |
| OmUtil.error(e.message); |
| }); |
| }); |
| } |
| uploadBtn.attr('disabled', 'disabled'); |
| fi.off().on('change.bs.fileinput', function(event) { |
| event.stopPropagation(); |
| const th = $(this) |
| , fInput = th.find('input[type=file]') |
| , fn = th.find('.fileinput-filename') |
| , files = fInput[0].files |
| , errors = form.find('.error'); |
| errors.html(''); |
| let valid = files !== undefined && files.length > 0; |
| if (valid) { |
| const size = Array.from(files).map(f => f.size).reduce((a, b) => a + b, 0); |
| valid = size < +form.data('max-size'); |
| if (!valid) { |
| errors.html($('<div class="alert alert-danger" role="alert"></div>').text(form.data('max-upload-lbl') + ' ' + form.data('max-size-lbl'))); |
| } |
| } |
| if (valid) { |
| fn.text(Array.from(files).map(f => f.name).join(', ')); |
| uploadBtn.removeAttr('disabled'); |
| } else { |
| fn.text(''); |
| uploadBtn.attr('disabled', 'disabled'); |
| $('#omws-upload-file').val(''); |
| } |
| fInput.attr('title', fn.text()); |
| return false; |
| }); |
| if ('function' === typeof(extaBindFunc)) { |
| extaBindFunc(); |
| } |
| } |
| |
| return { |
| bindUpload: _bindUpload |
| }; |
| })(); |
