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'use strict';
document.documentElement.classList.remove('no-js');
const textarea = document.querySelector('textarea[name="content"]');
const charCount = document.querySelector('#count');
if (textarea) {
const maxCount = parseInt(textarea.getAttribute('maxlength'));
if (textarea.value.length > 0) {
const textLength = [...textarea.value].length;
charCount.textContent = maxCount - textLength;
} else {
charCount.textContent = maxCount;
}
textarea.addEventListener('input', function () {
const textLength = [...this.value].length;
charCount.textContent = maxCount - textLength;
}, false);
}
const postForm = document.querySelector('#post-new-form');
let useDragDrop = (!!window.FileReader && 'draggable' in document.createElement('div'));
// useDragDrop = false; // remove, only for testing!
if (postForm) {
const droparea = postForm.querySelector('#post-droparea');
const attachmentsInput = postForm.querySelector('#post-attachments');
const data = {
'attachments': []
};
if (droparea && attachmentsInput) {
if (useDragDrop) {
console.log('init with modern file attachments');
const list = postForm.querySelector('#post-attachments-list');
list.addEventListener('click', function (e) {
e.preventDefault();
// remove attachment
if (e.target.nodeName.toLowerCase() == 'li') {
const filename = e.target.textContent;
data.attachments = data.attachments.filter(function (ele) {
return ele.name !== filename;
});
e.target.remove();
}
});
droparea.classList.remove('hidden');
document.querySelector('#post-attachments-label').classList.add('hidden');
droparea.ondragover = droparea.ondragenter = function (e) {
e.stopPropagation();
e.preventDefault();
e.dataTransfer.dropEffect = 'copy';
e.target.classList.add('drag');
};
droparea.ondragleave = function (e) {
e.target.classList.remove('drag');
};
droparea.onclick = function (e) {
e.preventDefault();
// make a virtual file upload
const input = document.createElement('input');
input.type = 'file';
input.setAttribute('multiple', '');
input.setAttribute('accept', 'image/*'); // only images for now
input.onchange = e => {
processSelectedFiles(e.target.files);
}
input.click();
};
function processSelectedFiles(files) {
if (!files || files.length < 1) return;
for (const file of files) {
const found = data.attachments.find(ele => ele.name === file.name);
if(found) continue; // skip existing attachments
data.attachments.push({
'name': file.name,
// todo: maybe some better form of dupe detection here?
'file': file
});
const li = document.createElement('li');
li.textContent = file.name;
const reader = new FileReader();
if(file.type.startsWith('image/')) {
reader.onload = function (e) {
var dataURL = e.target.result;
const preview = document.createElement('img');
preview.classList.add('file-preview');
preview.setAttribute('src', dataURL);
li.prepend(preview);
};
reader.onerror = function (e) {
console.log('An error occurred during file input: '+e.target.error.code);
};
reader.readAsDataURL(file);
}
list.append(li);
}
}
droparea.ondrop = function (e) {
if (e.dataTransfer) {
e.preventDefault();
e.stopPropagation();
processSelectedFiles(e.dataTransfer.files);
}
e.target.classList.remove('drag');
};
postForm.addEventListener('submit', async function (e) {
e.preventDefault();
const postFormData = new FormData();
postFormData.append('content', postForm.querySelector('[name="content"]').value);
for (const attachment of data.attachments) {
postFormData.append('attachments[]', attachment.file);
}
/*
for (const pair of postFormData.entries()) {
console.log(`${pair[0]}, ${pair[1]}`);
}
*/
const response = await fetch(postForm.getAttribute('action'), {
body: postFormData,
method: 'POST'
});
if (response.ok && response.status == 200) {
const txt = await response.text();
// console.log('form result', response, txt);
window.location.href = postForm.dataset.redirect + '?t=' + Date.now();
} else {
console.warn('error during post submission!', response);
}
});
} else {
// use the native file input dialog
// but enhanced
if (attachmentsInput) {
console.log('init with classic file attachments');
attachmentsInput.addEventListener('change', function (e) {
console.log(e.target.files);
const list = postForm.querySelector('#post-attachments-list');
list.replaceChildren();
for (const file of e.target.files) {
const li = document.createElement('li');
li.textContent = file.name;
list.append(li);
}
});
}
}
}
}
// better rounded corners
if ('paintWorklet' in CSS) {
// CSS.paintWorklet.addModule('./js/squircle.js');
}
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