embroidery-viewer/src/lib/FileViewer.svelte

126 lines
2.4 KiB
Svelte

<script>
import CardList from "./CardList.svelte";
import FileList from "./FileList.svelte";
let files;
let filesRendered = false;
const acceptedFiles = [".pes"];
const maxFileSize = 700000;
const onSubmit = () => {
filesRendered = true;
};
const onDrop = (evt) => {
onChange(evt);
};
const onChange = (evt) => {
files = null;
filesRendered = false;
const changedFiles = evt.dataTransfer
? evt.dataTransfer.files
: evt.target.files;
let filesToUpload = [];
for (var i = 0, file; (file = changedFiles[i]); i++) {
if (file) {
if (file.size <= maxFileSize) {
filesToUpload.push(file);
} else {
console.log("File too large!");
console.log(file);
}
}
}
files = filesToUpload;
};
const onClick = () => {
document.getElementById("file-input").click();
};
const onKeydown = (evt) => {
if (evt.key === "Enter") {
document.getElementById("file-input").click();
}
};
</script>
<form
id="form"
enctype="multipart/form-data"
on:submit|preventDefault|stopPropagation={onSubmit}
>
<h2>Upload files</h2>
<p>
Max file size is <strong>{maxFileSize / 1000}kb</strong>. Accepted formats:
<strong>{acceptedFiles.join(",")}</strong>.
</p>
<!-- svelte-ignore a11y-no-noninteractive-tabindex -->
<div
id="dropzone"
tabindex={0}
on:keydown={onKeydown}
on:click={onClick}
on:dragover|preventDefault|stopPropagation
on:drop|preventDefault|stopPropagation={onDrop}
>
<label id="file-label" for="file-input"
>Drag and drop files here or click to upload.</label
>
<input
id="file-input"
type="file"
name="files[]"
accept={acceptedFiles.join(",")}
multiple
on:change={onChange}
bind:files
/>
</div>
<input type="submit" value="Render files" />
</form>
{#if filesRendered}
<CardList {files} />
{:else}
<FileList {files} />
{/if}
<style>
#dropzone {
display: flex;
height: 100px;
width: 500px;
border: 5px dotted black;
padding: 15px;
z-index: 10;
}
#file-label {
z-index: -1;
font-weight: 600;
}
#file-input {
display: none;
}
#dropzone:hover {
cursor: pointer;
border: 5px dotted #05345f;
color: #05345f;
}
@media only screen and (max-device-width: 812px) {
#form {
width: 100%;
}
#dropzone {
width: 100%;
}
}
</style>