110 lines
1.9 KiB
PHP
110 lines
1.9 KiB
PHP
<?php
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namespace App\Classes\BBS\Frame;
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use Illuminate\Support\Arr;
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final class Field
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{
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private array $attributes = [];
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private const attributes = [
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'attribute', // Color attribute when rendering values
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'pad', // Pad character remaining characters up to length
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'size', // Size of the field
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'name', // Field name
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'type', // Type of field
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'value', // Current value
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'x', // X position in the frame
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'y', // Y position in the frame
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];
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/** @var string[] Attributes that should be masked */
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private const mask = [
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'p',
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];
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private const mask_attribute = '*';
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public function __construct(array $values)
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{
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array_walk($values,function($value,$key) {
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$this->{$key} = $value;
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});
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}
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public function __get($key): mixed
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{
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switch ($key) {
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case 'can_add':
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return strlen($this->value) < $this->size;
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case 'mask':
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return in_array($this->type,self::mask) ? '*' : NULL;
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case 'X':
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return $this->x+strlen($this->value);
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default:
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return Arr::get($this->attributes,$key);
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}
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}
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public function __isset($key): bool
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{
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return isset($this->attributes[$key]);
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}
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public function __set($key,$value): void
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{
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if (! in_array($key,self::attributes))
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throw new \Exception('Unknown attribute key:'.$key);
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$this->attributes[$key] = $value;
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}
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/**
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* Append a char to the value, only if there is space to do so
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*
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* @param string $char
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* @return bool
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*/
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public function append(string $char): bool
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{
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if (is_null($this->value))
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$this->clear();
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if ($this->can_add) {
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$this->value .= $char;
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return TRUE;
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}
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return FALSE;
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}
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/**
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* Clear the field value
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*
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* @return void
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*/
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public function clear(): void
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{
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$this->value = '';
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}
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/**
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* Delete a character from the value, only if there are chars to do so
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*
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* @return bool
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*/
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public function delete(): bool
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{
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if (strlen($this->value)) {
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$this->value = substr($this->value,0,-1);
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return TRUE;
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}
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return FALSE;
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}
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} |