owl-blogs/web/static/editor.js

96 lines
2.8 KiB
JavaScript

/**
* Add "drop to upload" to a text area
* @param {string} id id of a textarea
*/
function addFileDrop(id) {
// deactivate file drop on body
// this prevents accidentally opening the file instead uploading
document.body.ondrop = (ev) => {
ev.preventDefault();
return false
}
document.body.ondragover = (ev) => {
ev.preventDefault();
return false
}
// get field
const textArea = document.getElementById(id)
/**
* Uploads a single file and add markdown to textarea
* @param {File} file file object to upload
*/
function processFile(file) {
console.log(`name = ${file.name}`);
console.log(`size = ${file.size}`);
console.log(`type = ${file.type}`);
console.log(file)
const formData = new FormData()
formData.append("file", file)
textArea.classList.add("drop-file-process")
fetch(
"/admin/api/binaries",
{
method: "POST",
body: formData
}
).then((resp) => {
return resp.json()
}).then(data => {
if (file.type.split("/")[0] == "image") {
textArea.value += `\n![](${data.location})`
} else {
textArea.value += `\n[${file.name}](${data.location})`
}
textArea.classList.remove("drop-file-process")
}).catch(err => {
console.error(err);
textArea.classList.add("drop-file-error")
setTimeout(() => {
textArea.classList.remove("drop-file-error")
}, 2000)
}).finally(() => {
textArea.classList.remove("drop-file-process")
})
}
function dropHandler(ev) {
textArea.classList.remove("drop-file")
ev.preventDefault();
if (ev.dataTransfer.items) {
// Use DataTransferItemList interface to access the file(s)
[...ev.dataTransfer.items].forEach((item, i) => {
// If dropped items aren't files, reject them
if (item.kind === "file") {
const file = item.getAsFile();
processFile(file)
}
});
} else {
// Use DataTransfer interface to access the file(s)
[...ev.dataTransfer.files].forEach((file, i) => {
processFile(file)
});
}
}
function dragOverHandler(ev) {
textArea.classList.add("drop-file")
ev.preventDefault();
}
function dragLeaveHandler(ev) {
textArea.classList.remove("drop-file")
ev.preventDefault();
}
textArea.ondrop = dropHandler;
textArea.ondragover = dragOverHandler;
textArea.ondragleave = dragLeaveHandler;
}