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/* Redmine - project management software
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Copyright (C) 2006-2015 Jean-Philippe Lang */
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function addFile(inputEl, file, eagerUpload) {
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if ($('#attachments_fields').children().length < 10) {
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var attachmentId = addFile.nextAttachmentId++;
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var fileSpan = $('<span>', { id: 'attachments_' + attachmentId });
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fileSpan.append(
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$('<input>', { type: 'text', 'class': 'filename readonly', name: 'attachments[' + attachmentId + '][filename]', readonly: 'readonly'} ).val(file.name),
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$('<input>', { type: 'text', 'class': 'description', name: 'attachments[' + attachmentId + '][description]', maxlength: 255, placeholder: $(inputEl).data('description-placeholder') } ).toggle(!eagerUpload),
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$('<a> </a>').attr({ href: "#", 'class': 'remove-upload' }).click(removeFile).toggle(!eagerUpload)
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).appendTo('#attachments_fields');
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if(eagerUpload) {
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ajaxUpload(file, attachmentId, fileSpan, inputEl);
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}
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return attachmentId;
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}
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return null;
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}
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addFile.nextAttachmentId = 1;
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function ajaxUpload(file, attachmentId, fileSpan, inputEl) {
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function onLoadstart(e) {
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fileSpan.removeClass('ajax-waiting');
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fileSpan.addClass('ajax-loading');
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$('input:submit', $(this).parents('form')).attr('disabled', 'disabled');
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}
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function onProgress(e) {
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if(e.lengthComputable) {
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this.progressbar( 'value', e.loaded * 100 / e.total );
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}
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}
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function actualUpload(file, attachmentId, fileSpan, inputEl) {
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ajaxUpload.uploading++;
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uploadBlob(file, $(inputEl).data('upload-path'), attachmentId, {
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loadstartEventHandler: onLoadstart.bind(progressSpan),
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progressEventHandler: onProgress.bind(progressSpan)
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})
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.done(function(result) {
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progressSpan.progressbar( 'value', 100 ).remove();
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fileSpan.find('input.description, a').css('display', 'inline-block');
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})
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.fail(function(result) {
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progressSpan.text(result.statusText);
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}).always(function() {
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ajaxUpload.uploading--;
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fileSpan.removeClass('ajax-loading');
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var form = fileSpan.parents('form');
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if (form.queue('upload').length == 0 && ajaxUpload.uploading == 0) {
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$('input:submit', form).removeAttr('disabled');
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}
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form.dequeue('upload');
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});
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}
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var progressSpan = $('<div>').insertAfter(fileSpan.find('input.filename'));
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progressSpan.progressbar();
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fileSpan.addClass('ajax-waiting');
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var maxSyncUpload = $(inputEl).data('max-concurrent-uploads');
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if(maxSyncUpload == null || maxSyncUpload <= 0 || ajaxUpload.uploading < maxSyncUpload)
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actualUpload(file, attachmentId, fileSpan, inputEl);
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else
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$(inputEl).parents('form').queue('upload', actualUpload.bind(this, file, attachmentId, fileSpan, inputEl));
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}
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ajaxUpload.uploading = 0;
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function removeFile() {
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$(this).parent('span').remove();
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return false;
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}
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function uploadBlob(blob, uploadUrl, attachmentId, options) {
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var actualOptions = $.extend({
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loadstartEventHandler: $.noop,
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progressEventHandler: $.noop
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}, options);
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uploadUrl = uploadUrl + '?attachment_id=' + attachmentId;
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if (blob instanceof window.File) {
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uploadUrl += '&filename=' + encodeURIComponent(blob.name);
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uploadUrl += '&content_type=' + encodeURIComponent(blob.type);
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}
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return $.ajax(uploadUrl, {
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type: 'POST',
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contentType: 'application/octet-stream',
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beforeSend: function(jqXhr, settings) {
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jqXhr.setRequestHeader('Accept', 'application/js');
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// attach proper File object
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settings.data = blob;
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},
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xhr: function() {
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var xhr = $.ajaxSettings.xhr();
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xhr.upload.onloadstart = actualOptions.loadstartEventHandler;
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xhr.upload.onprogress = actualOptions.progressEventHandler;
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return xhr;
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},
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data: blob,
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cache: false,
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processData: false
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});
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}
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function addInputFiles(inputEl) {
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var clearedFileInput = $(inputEl).clone().val('');
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if ($.ajaxSettings.xhr().upload && inputEl.files) {
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// upload files using ajax
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uploadAndAttachFiles(inputEl.files, inputEl);
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$(inputEl).remove();
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} else {
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// browser not supporting the file API, upload on form submission
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var attachmentId;
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var aFilename = inputEl.value.split(/\/|\\/);
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attachmentId = addFile(inputEl, { name: aFilename[ aFilename.length - 1 ] }, false);
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if (attachmentId) {
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$(inputEl).attr({ name: 'attachments[' + attachmentId + '][file]', style: 'display:none;' }).appendTo('#attachments_' + attachmentId);
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}
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}
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clearedFileInput.insertAfter('#attachments_fields');
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}
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function uploadAndAttachFiles(files, inputEl) {
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var maxFileSize = $(inputEl).data('max-file-size');
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var maxFileSizeExceeded = $(inputEl).data('max-file-size-message');
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var sizeExceeded = false;
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$.each(files, function() {
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if (this.size && maxFileSize != null && this.size > parseInt(maxFileSize)) {sizeExceeded=true;}
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});
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if (sizeExceeded) {
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window.alert(maxFileSizeExceeded);
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} else {
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$.each(files, function() {addFile(inputEl, this, true);});
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}
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}
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function handleFileDropEvent(e) {
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$(this).removeClass('fileover');
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blockEventPropagation(e);
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if ($.inArray('Files', e.dataTransfer.types) > -1) {
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uploadAndAttachFiles(e.dataTransfer.files, $('input:file.file_selector'));
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}
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}
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function dragOverHandler(e) {
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$(this).addClass('fileover');
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blockEventPropagation(e);
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}
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function dragOutHandler(e) {
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$(this).removeClass('fileover');
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blockEventPropagation(e);
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}
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function setupFileDrop() {
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if (window.File && window.FileList && window.ProgressEvent && window.FormData) {
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$.event.fixHooks.drop = { props: [ 'dataTransfer' ] };
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$('form div.box').has('input:file').each(function() {
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$(this).on({
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dragover: dragOverHandler,
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dragleave: dragOutHandler,
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drop: handleFileDropEvent
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});
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});
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}
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}
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$(document).ready(setupFileDrop);
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