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Current File : /var/www/html/webtrees/app/Elements/AbstractElement.php
<?php
/**
* webtrees: online genealogy
* Copyright (C) 2023 webtrees development team
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
declare(strict_types=1);
namespace Fisharebest\Webtrees\Elements;
use Fisharebest\Webtrees\Contracts\ElementInterface;
use Fisharebest\Webtrees\Html;
use Fisharebest\Webtrees\I18N;
use Fisharebest\Webtrees\Registry;
use Fisharebest\Webtrees\Tree;
use function array_key_exists;
use function array_map;
use function e;
use function is_numeric;
use function nl2br;
use function str_contains;
use function str_starts_with;
use function strip_tags;
use function trim;
use function view;
/**
* A GEDCOM element is a tag/primitive in a GEDCOM file.
*/
abstract class AbstractElement implements ElementInterface
{
// HTML attributes for an <input>
protected const MAXIMUM_LENGTH = false;
protected const PATTERN = false;
private const WHITESPACE_LINE = [
"\t" => ' ',
"\n" => ' ',
"\r" => ' ',
"\v" => ' ', // Vertical tab
"\u{85}" => ' ', // NEL - newline
"\u{2028}" => ' ', // LS - line separator
"\u{2029}" => ' ', // PS - paragraph separator
];
private const WHITESPACE_TEXT = [
"\t" => ' ',
"\r\n" => "\n",
"\r" => "\n",
"\v" => "\n",
"\u{85}" => "\n",
"\u{2028}" => "\n",
"\u{2029}" => "\n\n",
];
// Which child elements can appear under this element.
protected const SUBTAGS = [];
// A label to describe this element
private string $label;
/** @var array<string,string> Subtags of this element */
private array $subtags;
/**
* @param string $label
* @param array<string>|null $subtags
*/
public function __construct(string $label, ?array $subtags = null)
{
$this->label = $label;
$this->subtags = $subtags ?? static::SUBTAGS;
}
/**
* Convert a value to a canonical form.
*
* @param string $value
*
* @return string
*/
public function canonical(string $value): string
{
$value = strtr($value, self::WHITESPACE_LINE);
while (str_contains($value, ' ')) {
$value = strtr($value, [' ' => ' ']);
}
return trim($value);
}
/**
* Convert a multi-line value to a canonical form.
*
* @param string $value
*
* @return string
*/
protected function canonicalText(string $value): string
{
$value = strtr($value, self::WHITESPACE_TEXT);
return trim($value, "\n");
}
/**
* Should we collapse the children of this element when editing?
*
* @return bool
*/
public function collapseChildren(): bool
{
return false;
}
/**
* Create a default value for this element.
*
* @param Tree $tree
*
* @return string
*/
public function default(Tree $tree): string
{
return '';
}
/**
* An edit control for this data.
*
* @param string $id
* @param string $name
* @param string $value
* @param Tree $tree
*
* @return string
*/
public function edit(string $id, string $name, string $value, Tree $tree): string
{
$values = $this->values();
if ($values !== []) {
$value = $this->canonical($value);
// Ensure the current data is in the list.
if (!array_key_exists($value, $values)) {
$values = [$value => $value] + $values;
}
// We may use markup to display values, but not when editing them.
$values = array_map(static fn (string $x): string => strip_tags($x), $values);
return view('components/select', [
'id' => $id,
'name' => $name,
'options' => $values,
'selected' => $value,
]);
}
$attributes = [
'class' => 'form-control',
'dir' => 'auto',
'type' => 'text',
'id' => $id,
'name' => $name,
'value' => $value,
'maxlength' => static::MAXIMUM_LENGTH,
'pattern' => static::PATTERN,
];
return '<input ' . Html::attributes($attributes) . ' />';
}
/**
* An edit control for this data.
*
* @param string $id
* @param string $name
* @param string $value
*
* @return string
*/
public function editHidden(string $id, string $name, string $value): string
{
return '<input class="form-control" type="hidden" id="' . e($id) . '" name="' . e($name) . '" value="' . e($value) . '" />';
}
/**
* An edit control for this data.
*
* @param string $id
* @param string $name
* @param string $value
*
* @return string
*/
public function editTextArea(string $id, string $name, string $value): string
{
return '<textarea class="form-control" id="' . e($id) . '" name="' . e($name) . '" rows="3" dir="auto">' . e($value) . '</textarea>';
}
/**
* Escape @ signs in a GEDCOM export.
*
* @param string $value
*
* @return string
*/
public function escape(string $value): string
{
return strtr($value, ['@' => '@@']);
}
/**
* Create a label for this element.
*
* @return string
*/
public function label(): string
{
return $this->label;
}
/**
* Create a label/value pair for this element.
*
* @param string $value
* @param Tree $tree
*
* @return string
*/
public function labelValue(string $value, Tree $tree): string
{
$label = '<span class="label">' . $this->label() . '</span>';
$value = '<span class="value align-top">' . $this->value($value, $tree) . '</span>';
$html = I18N::translate(/* I18N: e.g. "Occupation: farmer" */ '%1$s: %2$s', $label, $value);
return '<div>' . $html . '</div>';
}
/**
* Set, remove or replace a subtag.
*
* @param string $subtag
* @param string $repeat
* @param string $before
*
* @return void
*/
public function subtag(string $subtag, string $repeat, string $before = ''): void
{
if ($before === '' || ($this->subtags[$before] ?? null) === null) {
$this->subtags[$subtag] = $repeat;
} else {
$tmp = [];
foreach ($this->subtags as $key => $value) {
if ($key === $before) {
$tmp[$subtag] = $repeat;
}
$tmp[$key] = $value;
}
$this->subtags = $tmp;
}
}
/**
* @return array<string,string>
*/
public function subtags(): array
{
return $this->subtags;
}
/**
* Display the value of this type of element.
*
* @param string $value
* @param Tree $tree
*
* @return string
*/
public function value(string $value, Tree $tree): string
{
$values = $this->values();
if ($values === []) {
if (str_contains($value, "\n")) {
return '<span class="ut d-inline-block">' . nl2br(e($value, false)) . '</span>';
}
return '<span class="ut">' . e($value) . '</span>';
}
$canonical = $this->canonical($value);
return $values[$canonical] ?? '<bdi>' . e($value) . '</bdi>';
}
/**
* A list of controlled values for this element
*
* @return array<int|string,string>
*/
public function values(): array
{
return [];
}
/**
* Display the value of this type of element - convert URLs to links.
*
* @param string $value
*
* @return string
*/
protected function valueAutoLink(string $value): string
{
$canonical = $this->canonical($value);
if (str_contains($canonical, 'http://') || str_contains($canonical, 'https://')) {
$html = Registry::markdownFactory()->autolink($canonical);
$html = strip_tags($html, ['a', 'br']);
} else {
$html = nl2br(e($canonical), false);
}
if (str_contains($html, '<br>')) {
return '<span class="ut d-inline-block">' . $html . '</span>';
}
return '<span class="ut">' . $html . '</span>';
}
/**
* Display the value of this type of element - multi-line text with/without markdown.
*
* @param string $value
* @param Tree $tree
*
* @return string
*/
protected function valueFormatted(string $value, Tree $tree): string
{
$canonical = $this->canonical($value);
$format = $tree->getPreference('FORMAT_TEXT');
switch ($format) {
case 'markdown':
return Registry::markdownFactory()->markdown($canonical, $tree);
default:
return Registry::markdownFactory()->autolink($canonical, $tree);
}
}
/**
* Display the value of this type of element - convert to URL.
*
* @param string $value
*
* @return string
*/
protected function valueLink(string $value): string
{
$canonical = $this->canonical($value);
if (str_starts_with($canonical, 'https://') || str_starts_with($canonical, 'http://')) {
return '<a dir="auto" href="' . e($canonical) . '">' . e($value) . '</a>';
}
return e($value);
}
/**
* Display the value of this type of element.
*
* @param string $value
*
* @return string
*/
public function valueNumeric(string $value): string
{
$canonical = $this->canonical($value);
if (is_numeric($canonical)) {
return I18N::number((int) $canonical);
}
return e($value);
}
}
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