Files
Facilitor/APPL/PDA/attachments.js
2025-08-25 12:59:03 +00:00

334 lines
12 KiB
JavaScript

/*
$Revision$
$Id$
File: attachments.js
Description: clientside functions for attachments
Note: Wordt nog alleen voor PDA gebruikt
Een bestand wordt na kiezen altijd direct geupload en
dan krijgen we een token terug welke we uiteindelijk
submitten
Er zit ook drag-and-drop code in die we (nog) niet gebruiken
*/
async function resizeFile(file, inputEl)
{
var maxWidth = inputEl.getAttribute("data-max-default-width");
var maxHeight = inputEl.getAttribute("data-max-default-height");
// Verkleinen voor alle browsers behalve Internet Explorer.
var clientresize = (typeof createImageBitmap == "function" ? "1" : "0");
if (clientresize && maxWidth > 0 && maxHeight > 0)
{
var canvas = document.createElement('canvas');
const ctx = canvas.getContext('2d');
const img = await createImageBitmap(file);
if (img.width > maxWidth && img.height > maxHeight) // drempel voor verkleining van de afbeelding.
{
var ratio = Math.min(maxWidth / img.width, maxHeight / img.height);
var width = img.width * ratio + .5 | 0;
var height = img.height * ratio + .5 | 0;
// resize the canvas to the new dimensions
canvas.width = width;
canvas.height = height;
// scale & draw the image onto the canvas
ctx.drawImage(img, 0, 0, width, height);
// Get the binary (blob)
var blob = await new Promise(rs => canvas.toBlob(rs, "image/jpeg", 1));
var resizedFile = new File([blob], file.name, file);
return resizedFile;
}
else
return file;
}
else
return file;
}
function addFile(inputEl, file, eagerUpload) {
var attachmentsFields = $(inputEl).closest('.attachments_form').find('.attachments_fields');
var multi = $(inputEl).attr('multiple') == 'multiple'; // kenmerktype == [M]ap
var maxFiles = (multi ? 10 : 1);
if (attachmentsFields.children().length < maxFiles) {
var attachmentId = addFile.nextAttachmentId++;
var fileSpan = $('<span>', { id: 'attachments_' + attachmentId });
var param = $(inputEl).data('param');
if (!param) {param = 'attachments'};
var kval = $(inputEl).siblings("a[role=button]").attr("id"); // De 'Toevoegen' knop heeft de kval (bijv 'k123val') als id
if (!multi) { // kenmerktype != [M]ap
fileSpan.append(
$('<input>', { type: 'hidden', name: kval } ).val(file.name) // Dit veld is nodig voor kenmerktypes [E] & [F] om de bestandsnaam als kenmerkwaarde op te slaan
);
}
fileSpan.append(
$('<input>', { type: 'text',
class : 'icon icon-attachment filename readonly form-control-plaintext',
id: param + "_" + attachmentId + "_file",
name: param + '[' + attachmentId + '][filename]',
readonly: 'readonly'
} ).val(file.name),
$('<input>', { type: 'hidden', 'class': 'token', name: param + '[' + attachmentId + '][token]'} )
/* Gelijk een Delete knop invoegen is wat te complex */
).appendTo(attachmentsFields);
if(eagerUpload) {
ajaxUpload(file, attachmentId, fileSpan, inputEl);
}
return attachmentId;
}
return null;
}
addFile.nextAttachmentId = 1;
function ajaxUpload(file, attachmentId, fileSpan, inputEl) {
function onLoadstart(e) {
fileSpan.removeClass('ajax-waiting');
fileSpan.addClass('ajax-loading');
$('input:submit', $(this).parents('form')).attr('disabled', 'disabled');
}
function onProgress(e) {
if(e.lengthComputable) {
this.progressbar( 'value', e.loaded * 100 / e.total );
}
}
async function actualUpload(file, attachmentId, fileSpan, inputEl)
{
ajaxUpload.uploading++;
// Bestanden verkleinen volgens de standaard formattering.
var resizedFile = await resizeFile(file, inputEl);
uploadBlob(resizedFile, $(inputEl).data('upload-path'), attachmentId, {
loadstartEventHandler: onLoadstart.bind(progressSpan),
progressEventHandler: onProgress.bind(progressSpan)
})
.done(function(result) {
if ("success" in result && !result.success)
{
FcltMgr.alert(result.message);
return;
}
addInlineAttachmentMarkup(resizedFile);
progressSpan.progressbar( 'value', 100 ).remove();
fileSpan.find('input.token').val(result.attachment.token);
// Bestandsnaam kan aangepast zijn. Bestandsnaam opnieuw zetten.
var param = $(inputEl).data('param');
var filename = param + "_" + attachmentId + "_file";
$("#" + filename).val(result.attachment.name);
})
.fail(function(result) {
progressSpan.text(result.statusText);
}).always(function() {
ajaxUpload.uploading--;
fileSpan.removeClass('ajax-loading');
var form = fileSpan.parents('form');
if (form.queue('upload').length == 0 && ajaxUpload.uploading == 0) {
$('input:submit', form).removeAttr('disabled');
}
form.dequeue('upload');
});
}
var progressSpan = $('<div>').insertAfter(fileSpan.find('input.filename'));
progressSpan.progressbar({
classes: {
"ui-progressbar": "highlight"
}
});
fileSpan.addClass('ajax-waiting');
var maxSyncUpload = 1; // || $(inputEl).data('max-concurrent-uploads');
if(maxSyncUpload == null || maxSyncUpload <= 0 || ajaxUpload.uploading < maxSyncUpload)
actualUpload(file, attachmentId, fileSpan, inputEl);
else
$(inputEl).parents('form').queue('upload', actualUpload.bind(this, file, attachmentId, fileSpan, inputEl));
}
ajaxUpload.uploading = 0;
function removeFile() {
$(this).closest('.attachments_form').find('.add_attachment').show();
$(this).parent('span').remove();
return false;
}
function uploadBlob(blob, uploadUrl, attachmentId, options) {
var actualOptions = $.extend({
loadstartEventHandler: $.noop,
progressEventHandler: $.noop
}, options);
uploadUrl = uploadUrl + encodeURIComponent(blob.name) + '?attachment_id=' + attachmentId;
if (blob instanceof window.File) {
uploadUrl += '&content_type=' + encodeURIComponent(blob.type);
}
return $.ajax(uploadUrl, {
type: 'POST',
contentType: 'application/octet-stream',
beforeSend: function(jqXhr, settings) {
jqXhr.setRequestHeader('Accept', 'application/json');
jqXhr.setRequestHeader('X-CSRF-TOKEN', RVT_token );
// attach proper File object
settings.data = blob;
},
xhr: function() {
var xhr = $.ajaxSettings.xhr();
xhr.upload.onloadstart = actualOptions.loadstartEventHandler;
xhr.upload.onprogress = actualOptions.progressEventHandler;
return xhr;
},
data: blob,
cache: false,
processData: false
});
}
function addInputFiles(inputEl) {
//var attachmentsFields = $(inputEl).closest('.attachments_form').find('.attachments_fields');
var attachementDiv = $(inputEl).closest('.attachments_form');
var addAttachment = $(inputEl).closest('.attachments_form').find('.add_attachment');
var clearedFileInput = $(inputEl).clone().val('');
var sizeExceeded = false;
var param = $(inputEl).data('param');
if (!param) {param = 'attachments'};
if ($.ajaxSettings.xhr().upload && inputEl.files) {
// upload files using ajax
sizeExceeded = uploadAndAttachFiles(inputEl.files, inputEl);
$(inputEl).remove();
} else { // Volgens mij is deze tak niet meer nodig sinds IE10
// browser not supporting the file API, upload on form submission
var attachmentId;
var aFilename = inputEl.value.split(/\/|\\/);
attachmentId = addFile(inputEl, { name: aFilename[ aFilename.length - 1 ] }, false);
if (attachmentId) {
$(inputEl).attr({ name: param + '[' + attachmentId + '][file]', style: 'display:none;' }).appendTo('#attachments_' + attachmentId);
}
}
clearedFileInput.prependTo(addAttachment);
attachementDiv.trigger("create");
let $bijlageButton = addAttachment.find("[data-role=button][nBijlagen]");
if ($bijlageButton.length) {
$bijlageButton.attr("nBijlagen", parseInt($bijlageButton.attr("nBijlagen") || 0, 10) + inputEl.files.length);
}
}
function uploadAndAttachFiles(files, inputEl)
{
var maxFileSize = $(inputEl).data('max-file-size');
var maxFileSizeExceeded = $(inputEl).data('max-file-size-message');
var sizeExceeded = false;
$.each(files, function() {
if (this.size && maxFileSize != null && this.size > parseInt(maxFileSize)) {sizeExceeded=true;}
});
if (sizeExceeded) {
FcltMgr.alert(maxFileSizeExceeded);
} else {
$.each(files, function() {addFile(inputEl, this, true);});
}
return sizeExceeded;
}
function handleFileDropEvent(e) {
$(this).removeClass('fileover');
blockEventPropagation(e);
if ($.inArray('Files', e.dataTransfer.types) > -1) {
handleFileDropEvent.target = e.target;
uploadAndAttachFiles(e.dataTransfer.files, $('input:file.filedrop').first());
}
}
handleFileDropEvent.target = '';
function dragOverHandler(e) {
$(this).addClass('fileover');
blockEventPropagation(e);
}
function dragOutHandler(e) {
$(this).removeClass('fileover');
blockEventPropagation(e);
}
function setupFileDrop() {
if (window.File && window.FileList && window.ProgressEvent && window.FormData) {
// $.event.fixHooks.drop = { props: [ 'dataTransfer' ] };
$('form div.box:not(.filedroplistner)').has('input:file.filedrop').each(function() {
$(this).on({
dragover: dragOverHandler,
dragleave: dragOutHandler,
drop: handleFileDropEvent
}).addClass('filedroplistner');
});
}
}
function addInlineAttachmentMarkup(file) {
// insert uploaded image inline if dropped area is currently focused textarea
if($(handleFileDropEvent.target).hasClass('wiki-edit') && $.inArray(file.type, window.wikiImageMimeTypes) > -1) {
var $textarea = $(handleFileDropEvent.target);
var cursorPosition = $textarea.prop('selectionStart');
var description = $textarea.val();
var sanitizedFilename = file.name.replace(/[\/\?\%\*\:\|\"\'<>\n\r]+/, '_');
var inlineFilename = encodeURIComponent(sanitizedFilename);
var newLineBefore = true;
var newLineAfter = true;
if(cursorPosition === 0 || description.substr(cursorPosition-1,1).match(/\r|\n/)) {
newLineBefore = false;
}
if(description.substr(cursorPosition,1).match(/\r|\n/)) {
newLineAfter = false;
}
$textarea.val(
description.substring(0, cursorPosition)
+ (newLineBefore ? '\n' : '')
+ inlineFilename
+ (newLineAfter ? '\n' : '')
+ description.substring(cursorPosition, description.length)
);
$textarea.prop({
'selectionStart': cursorPosition + newLineBefore,
'selectionEnd': cursorPosition + inlineFilename.length + newLineBefore
});
$textarea.closest('.jstEditor')
.siblings('.jstElements')
.find('.jstb_img').click();
// move cursor into next line
cursorPosition = $textarea.prop('selectionStart');
$textarea.prop({
'selectionStart': cursorPosition + 1,
'selectionEnd': cursorPosition + 1
});
}
}
$(setupFileDrop);
$(function()
{
$("input.deleted_attachment").change(function(){
$(this).parents('.existing-attachment').toggleClass('deleted', $(this).is(":checked"));
}).change();
});