mirror of
https://github.com/renbaoshuo/S2OJ.git
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127 lines
3.3 KiB
PHP
127 lines
3.3 KiB
PHP
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<?php
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class DropzoneForm {
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public static $default_dropzone_config = [
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'params' => [],
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'paramName' => 'file',
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'maxFiles' => 100,
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'dictDefaultMessage' => '想要上传文件?请把文件拖到这里',
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'addRemoveLinks' => false,
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'autoProcessQueue' => false,
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'parallelUploads' => 100,
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'uploadMultiple' => true
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];
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public string $name;
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public string $url;
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public ?string $succ_href;
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public array $hidden_data = [];
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public array $dropzone_config = [];
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public array $dropzone_config_direct = [];
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public array $submit_button_config = [];
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public string $submit_condition = <<<EOD
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function(dz) {
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let files = dz.getQueuedFiles();
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if (files.length < 1) {
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dz.emit('errormultiple', files, '请提交至少一个文件');
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return false;
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}
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return true;
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}
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EOD;
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public string $introduction = '';
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public $handler;
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public $extra_validators = [];
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function __construct(string $name, array $cfg = [], array $cfg_direct = []) {
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requireLib('dropzone');
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$this->name = $name;
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$this->url = UOJContext::requestURI();
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$this->succ_href = $this->url;
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$this->dropzone_config = $cfg + self::$default_dropzone_config;
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$this->dropzone_config['params'] += [
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"submit-{$this->name}" => $this->name,
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'_token' => crsf_token()
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];
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$this->dropzone_config_direct = $cfg_direct;
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$this->submit_button_config += [
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'text' => UOJLocale::get('submit')
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];
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$this->extra_validators[] = function () {
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if ($this->dropzone_config['maxFiles'] !== null && count($_FILES) > $this->dropzone_config['maxFiles']) {
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return '上传出错:你上传了太多文件了';
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}
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return '';
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};
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}
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public function formID(): string {
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return "form-{$this->name}";
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}
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public function divDropzoneID() {
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return "{$this->formID()}-div-dropzone";
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}
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public function helpBlockID() {
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return "{$this->formID()}-help-block";
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}
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public function getFile() {
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assert(!$this->dropzone_config['uploadMultiple']);
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return $_FILES[$this->dropzone_config['paramName']];
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}
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public function getFiles() {
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assert($this->dropzone_config['uploadMultiple']);
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if (!is_array($_FILES[$this->dropzone_config['paramName']]['name'])) {
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UOJResponse::page406('好像上传出了点问题,再试试?');
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}
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$n = count($_FILES[$this->dropzone_config['paramName']]['name']);
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$fields = ['name', 'type', 'tmp_name', 'error', 'size'];
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$files = [];
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for ($i = 0; $i < $n; $i++) {
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$file = [];
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foreach ($fields as $field) {
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if (!isset($_FILES[$this->dropzone_config['paramName']][$field][$i])) {
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UOJResponse::page406('好像上传出了点问题,再试试?');
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}
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$file[$field] = $_FILES[$this->dropzone_config['paramName']][$field][$i];
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}
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if (isset($files[$file['name']])) {
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UOJResponse::page406('上传的文件中出现了重复的文件名!');
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}
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if (!is_uploaded_file($file['tmp_name'])) {
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UOJResponse::page406('好像文件没有成功传过来,再试试?');
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}
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$files[$file['name']] = $file;
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}
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return $files;
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}
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public function runAtServer() {
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if (isset($_POST["submit-{$this->name}"]) && !empty($_FILES)) {
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foreach ($this->extra_validators as $val) {
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$err = $val();
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$err === '' || UOJResponse::message($err);
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}
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($this->handler)($this);
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}
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}
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public function printHTML() {
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uojIncludeView('dropzone-form', ['form' => $this]);
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}
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}
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