Single.php

Go to the documentation of this file.

<?php

 
namespace Depage\HtmlForm\Elements;
 
use Depage\HtmlForm\Abstracts;

class Single extends Abstracts\Input
{
    protected $list = [];

    protected $listHtml = [];

    protected $skin = 'radio';

    public function __construct(string $name, array $parameters, object $form)
    {
        parent::__construct($name, $parameters, $form);
 
        $this->list = (isset($parameters['list']) && is_array($parameters['list'])) ? $parameters['list'] : [];
        $this->listHtml = (isset($parameters['listHtml']) && is_array($parameters['listHtml'])) ? $parameters['listHtml'] : [];
    }

    protected function setDefaults(): void
    {
        parent::setDefaults();
 
        // single-choice-elements have values of type string
        $this->defaults['defaultValue'] = '';
        $this->defaults['skin']         = 'radio';
    }

    protected function htmlList(?array $options = null, ?string $value = null): string
    {
        if ($value == null) {
            $value      = $this->htmlValue();
        }
        if ($options == null) {
            $options    = $this->list;
        }
 
        $options    = $this->htmlEscape($options);
        $list       = '';
 
        if ($this->skin === "select") {
            foreach ($options as $index => $option) {
                if (is_array($option)) {
                    $list       .= "<optgroup label=\"{$index}\">" . $this->htmlList($option, $value) . "</optgroup>";
                } else {
                    $selected   = ((string) $index === (string) $value) ? ' selected' : '';
                    $list       .= "<option value=\"{$index}\"{$selected}>{$option}</option>";
                }
            }
        } else {
            $inputAttributes = $this->htmlInputAttributes();
 
            foreach ($options as $index => $option) {
                // typecasted for non-associative arrays
                $selected = ((string) $index === (string) $value) ? " checked=\"yes\"" : '';
                $class = "input-single-option-" . str_replace(" ", "-", $index);
                $optionHtml = $this->listHtml[$index] ?? "<span>{$option}</span>";
 
                $list .= "<span>" .
                    "<label class=\"{$class}\" title=\"{$option}\">" .
                        "<input type=\"radio\" name=\"{$this->name}\"{$inputAttributes} value=\"{$index}\"{$selected}>" .
                        $optionHtml .
                    "</label>" .
                "</span>";
            }
        }
 
        return $list;
    }

    public function __toString(): string
    {
        $marker             = $this->htmlMarker();
        $label              = $this->htmlLabel();
        $list               = $this->htmlList();
        $wrapperAttributes  = $this->htmlWrapperAttributes();
        $errorMessage       = $this->htmlErrorMessage();
        $helpMessage        = $this->htmlHelpMessage();
 
        if ($this->skin === "select") {
            // render HTML select
            $inputAttributes = $this->htmlInputAttributes();
 
            return "<p {$wrapperAttributes}>" .
                "<label>" .
                    "<span class=\"depage-label\">{$label}{$marker}</span>" .
                    "<select name=\"{$this->name}\"{$inputAttributes}>{$list}</select>" .
                "</label>" .
                $errorMessage .
                $helpMessage .
            "</p>\n";
        } else {
            // render HTML radio button list
            return "<p {$wrapperAttributes}>" .
                "<span class=\"depage-label\">{$label}{$marker}</span>" .
                "<span>{$list}</span>" .
                $errorMessage .
                $helpMessage .
            "</p>\n";
        }
    }

    protected function typeCastValue(): void
    {
        // check if value is in list
        $inList = false;
 
        if (in_array($this->value, array_keys($this->list))) {
            $inList = true;
        }
        if (!$inList) {
            foreach ($this->list as $sub) {
                if (is_array($sub) && in_array($this->value, array_keys($sub))) {
                    $inList = true;
                    break;
                }
            }
        }
        if (!$inList) {
            $this->value = "";
        }
        $this->value = (string) $this->value;
    }
}
 
/* vim:set ft=php sw=4 sts=4 fdm=marker et : */