<?php
/**
* @package VikWP - Libraries
* @subpackage adapter.html
* @author E4J s.r.l.
* @copyright Copyright (C) 2023 E4J s.r.l. All Rights Reserved.
* @license http://www.gnu.org/licenses/gpl-2.0.html GNU/GPL
* @link https://vikwp.com
*/
// No direct access
defined('ABSPATH') or die('No script kiddies please!');
JLoader::import('adapter.utilities.array');
/**
* Utility class for creating HTML select lists.
*
* @since 10.1.16
*/
abstract class JHtmlSelect
{
/**
* Default values for options. Organized by option group.
*
* @var array
*/
protected static $optionDefaults = array(
'option' => array(
'option.attr' => null,
'option.disable' => 'disable',
'option.id' => null,
'option.key' => 'value',
'option.key.toHtml' => true,
'option.label' => null,
'option.label.toHtml' => true,
'option.text' => 'text',
'option.text.toHtml' => true,
'option.class' => 'class',
'option.onclick' => 'onclick',
),
);
/**
* Generates a grouped HTML selection list from nested arrays.
*
* @param array $data An array of groups, each of which is an array of options.
* @param string $name The value of the HTML name attribute
* @param array $options Options, an array of key/value pairs. Valid options are:
* Format options.
* Selection options. See {@see JHtmlSelect::options()}.
* group.id: The property in each group to use as the group id
* attribute. Defaults to none.
* group.label: The property in each group to use as the group
* label. Defaults to "text". If set to null, the data array index key is
* used.
* group.items: The property in each group to use as the array of
* items in the group. Defaults to "items". If set to null, group.id and
* group. label are forced to null and the data element is assumed to be a
* list of selections.
* id: Value to use as the select element id attribute. Defaults to
* the same as the name.
* list.attr: Attributes for the select element. Can be a string or
* an array of key/value pairs. Defaults to none.
* list.select: either the value of one selected option or an array
* of selected options. Default: none.
* list.translate: Boolean. If set, text and labels are translated via
* JText::translate().
*
* @return string HTML for the select list
*
* @throws RuntimeException If a group has contents that cannot be processed.
*/
public static function groupedlist($data, $name, $options = array())
{
// Set default options and overwrite with anything passed in
$options = array_merge(
JHtml::$formatOptions,
array('format.depth' => 0, 'group.items' => 'items', 'group.label' => 'text', 'group.label.toHtml' => true, 'id' => false),
$options
);
// Apply option rules
if ($options['group.items'] === null)
{
$options['group.label'] = null;
}
$attribs = '';
if (isset($options['list.attr']))
{
if (is_array($options['list.attr']))
{
$attribs = ArrayHelper::toString($options['list.attr']);
}
else
{
$attribs = $options['list.attr'];
}
if ($attribs !== '')
{
$attribs = ' ' . $attribs;
}
}
$id = $options['id'] !== false ? $options['id'] : $name;
$id = str_replace(array('[', ']', ' '), '', $id);
// Disable groups in the options.
$options['groups'] = false;
$baseIndent = str_repeat($options['format.indent'], $options['format.depth']++);
$html = $baseIndent . '<select' . ($id !== '' ? ' id="' . $id . '"' : '') . ' name="' . $name . '"' . $attribs . '>' . $options['format.eol'];
$groupIndent = str_repeat($options['format.indent'], $options['format.depth']++);
foreach ($data as $dataKey => $group)
{
$label = $dataKey;
$id = '';
$noGroup = is_int($dataKey);
if ($options['group.items'] == null)
{
// Sub-list is an associative array
$subList = $group;
}
elseif (is_array($group))
{
// Sub-list is in an element of an array.
$subList = $group[$options['group.items']];
if (isset($group[$options['group.label']]))
{
$label = $group[$options['group.label']];
$noGroup = false;
}
if (isset($options['group.id']) && isset($group[$options['group.id']]))
{
$id = $group[$options['group.id']];
$noGroup = false;
}
}
elseif (is_object($group))
{
// Sub-list is in a property of an object
$subList = $group->{$options['group.items']};
if (isset($group->{$options['group.label']}))
{
$label = $group->{$options['group.label']};
$noGroup = false;
}
if (isset($options['group.id']) && isset($group->{$options['group.id']}))
{
$id = $group->{$options['group.id']};
$noGroup = false;
}
}
else
{
throw new RuntimeException('Invalid group contents.', 1);
}
if ($noGroup)
{
$html .= static::options($subList, $options);
}
else
{
$html .= $groupIndent . '<optgroup' . (empty($id) ? '' : ' id="' . $id . '"') . ' label="'
. ($options['group.label.toHtml'] ? htmlspecialchars($label, ENT_COMPAT, 'UTF-8') : $label) . '">' . $options['format.eol']
. static::options($subList, $options) . $groupIndent . '</optgroup>' . $options['format.eol'];
}
}
$html .= $baseIndent . '</select>' . $options['format.eol'];
return $html;
}
/**
* Create an object that represents an option in an option list.
*
* @param string $value The value of the option
* @param string $text The text for the option
* @param mixed $optKey If a string, the returned object property name for
* the value. If an array, options. Valid options are:
* attr: String|array. Additional attributes for this option.
* Defaults to none.
* disable: Boolean. If set, this option is disabled.
* label: String. The value for the option label.
* option.attr: The property in each option array to use for
* additional selection attributes. Defaults to none.
* option.disable: The property that will hold the disabled state.
* Defaults to "disable".
* option.key: The property that will hold the selection value.
* Defaults to "value".
* option.label: The property in each option array to use as the
* selection label attribute. If a "label" option is provided, defaults to
* "label", if no label is given, defaults to null (none).
* option.text: The property that will hold the the displayed text.
* Defaults to "text". If set to null, the option array is assumed to be a
* list of displayable scalars.
* @param string $optText The property that will hold the the displayed text. This
* parameter is ignored if an options array is passed.
* @param boolean $disable Not used.
*
* @return stdClass
*/
public static function option($value, $text = '', $optKey = 'value', $optText = 'text', $disable = false)
{
$options = array(
'attr' => null,
'disable' => false,
'option.attr' => null,
'option.disable' => 'disable',
'option.key' => 'value',
'option.label' => null,
'option.text' => 'text',
);
if (is_array($optKey))
{
// Merge in caller's options
$options = array_merge($options, $optKey);
}
else
{
// Get options from the parameters
$options['option.key'] = $optKey;
$options['option.text'] = $optText;
$options['disable'] = $disable;
}
$obj = new stdClass;
$obj->{$options['option.key']} = $value;
$obj->{$options['option.text']} = trim($text) ? $text : $value;
/*
* If a label is provided, save it. If no label is provided and there is
* a label name, initialise to an empty string.
*/
$hasProperty = $options['option.label'] !== null;
if (isset($options['label']))
{
$labelProperty = $hasProperty ? $options['option.label'] : 'label';
$obj->$labelProperty = $options['label'];
}
elseif ($hasProperty)
{
$obj->{$options['option.label']} = '';
}
// Set attributes only if there is a property and a value
if ($options['attr'] !== null)
{
$obj->{$options['option.attr']} = $options['attr'];
}
// Set disable only if it has a property and a value
if ($options['disable'] !== null)
{
$obj->{$options['option.disable']} = $options['disable'];
}
return $obj;
}
/**
* Generates the option tags for an HTML select list (with no select tag
* surrounding the options).
*
* @param array $arr An array of objects, arrays, or values.
* @param mixed $optKey If a string, this is the name of the object variable for
* the option value. If null, the index of the array of objects is used. If
* an array, this is a set of options, as key/value pairs. Valid options are:
* -Format options.
* -groups: Boolean. If set, looks for keys with the value
* "<optgroup>" and synthesizes groups from them. Deprecated. Defaults
* true for backwards compatibility.
* -list.select: either the value of one selected option or an array
* of selected options. Default: none.
* -list.translate: Boolean. If set, text and labels are translated via
* JText::translate(). Default is false.
* -option.id: The property in each option array to use as the
* selection id attribute. Defaults to none.
* -option.key: The property in each option array to use as the
* selection value. Defaults to "value". If set to null, the index of the
* option array is used.
* -option.label: The property in each option array to use as the
* selection label attribute. Defaults to null (none).
* -option.text: The property in each option array to use as the
* displayed text. Defaults to "text". If set to null, the option array is
* assumed to be a list of displayable scalars.
* -option.attr: The property in each option array to use for
* additional selection attributes. Defaults to none.
* -option.disable: The property that will hold the disabled state.
* Defaults to "disable".
* -option.key: The property that will hold the selection value.
* Defaults to "value".
* -option.text: The property that will hold the the displayed text.
* Defaults to "text". If set to null, the option array is assumed to be a
* list of displayable scalars.
* @param string $optText The name of the object variable for the option text.
* @param mixed $selected The key that is selected (accepts an array or a string)
* @param boolean $translate Translate the option values.
*
* @return string HTML for the select list.
*/
public static function options($arr, $optKey = 'value', $optText = 'text', $selected = null, $translate = false)
{
$options = array_merge(
JHtml::$formatOptions,
static::$optionDefaults['option'],
array('format.depth' => 0, 'groups' => true, 'list.select' => null, 'list.translate' => false)
);
if (is_array($optKey))
{
// Set default options and overwrite with anything passed in
$options = array_merge($options, $optKey);
}
else
{
// Get options from the parameters
$options['option.key'] = $optKey;
$options['option.text'] = $optText;
$options['list.select'] = $selected;
$options['list.translate'] = $translate;
}
$html = '';
$baseIndent = str_repeat($options['format.indent'], $options['format.depth']);
foreach ($arr as $elementKey => &$element)
{
$attr = '';
$extra = '';
$label = '';
$id = '';
if (is_array($element))
{
$key = $options['option.key'] === null ? $elementKey : $element[$options['option.key']];
$text = $element[$options['option.text']];
if (isset($element[$options['option.attr']]))
{
$attr = $element[$options['option.attr']];
}
if (isset($element[$options['option.id']]))
{
$id = $element[$options['option.id']];
}
if (isset($element[$options['option.label']]))
{
$label = $element[$options['option.label']];
}
if (isset($element[$options['option.disable']]) && $element[$options['option.disable']])
{
$extra .= ' disabled="disabled"';
}
}
elseif (is_object($element))
{
$key = $options['option.key'] === null ? $elementKey : $element->{$options['option.key']};
$text = $element->{$options['option.text']};
if (isset($element->{$options['option.attr']}))
{
$attr = $element->{$options['option.attr']};
}
if (isset($element->{$options['option.id']}))
{
$id = $element->{$options['option.id']};
}
if (isset($element->{$options['option.label']}))
{
$label = $element->{$options['option.label']};
}
if (isset($element->{$options['option.disable']}) && $element->{$options['option.disable']})
{
$extra .= ' disabled="disabled"';
}
if (isset($element->{$options['option.class']}) && $element->{$options['option.class']})
{
$extra .= ' class="' . $element->{$options['option.class']} . '"';
}
if (isset($element->{$options['option.onclick']}) && $element->{$options['option.onclick']})
{
$extra .= ' onclick="' . $element->{$options['option.onclick']} . '"';
}
}
else
{
// This is a simple associative array
$key = $elementKey;
$text = $element;
}
/*
* The use of options that contain optgroup HTML elements was
* somewhat hacked for J1.5. J1.6 introduces the grouplist() method
* to handle this better. The old solution is retained through the
* "groups" option, which defaults true in J1.6, but should be
* deprecated at some point in the future.
*/
$key = (string) $key;
if ($key === '<OPTGROUP>' && $options['groups'])
{
$html .= $baseIndent . '<optgroup label="' . ($options['list.translate'] ? JText::translate($text) : $text) . '">' . $options['format.eol'];
$baseIndent = str_repeat($options['format.indent'], ++$options['format.depth']);
}
elseif ($key === '</OPTGROUP>' && $options['groups'])
{
$baseIndent = str_repeat($options['format.indent'], --$options['format.depth']);
$html .= $baseIndent . '</optgroup>' . $options['format.eol'];
}
else
{
// If no string after hyphen - take hyphen out
$splitText = explode(' - ', $text, 2);
$text = $splitText[0];
if (isset($splitText[1]) && $splitText[1] !== '' && !preg_match('/^[\s]+$/', $splitText[1]))
{
$text .= ' - ' . $splitText[1];
}
if (!empty($label) && $options['list.translate'])
{
$label = JText::translate($label);
}
if ($options['option.label.toHtml'])
{
$label = htmlentities($label);
}
if (is_array($attr))
{
$attr = ArrayHelper::toString($attr);
}
else
{
$attr = trim($attr);
}
$extra = ($id ? ' id="' . $id . '"' : '') . ($label ? ' label="' . $label . '"' : '') . ($attr ? ' ' . $attr : '') . $extra;
if (is_array($options['list.select']))
{
foreach ($options['list.select'] as $val)
{
$key2 = is_object($val) ? $val->{$options['option.key']} : $val;
if ($key == $key2)
{
$extra .= ' selected="selected"';
break;
}
}
}
elseif ((string) $key === (string) $options['list.select'])
{
$extra .= ' selected="selected"';
}
if ($options['list.translate'])
{
$text = JText::translate($text);
}
// Generate the option, encoding as required
$html .= $baseIndent . '<option value="' . ($options['option.key.toHtml'] ? htmlspecialchars($key, ENT_COMPAT, 'UTF-8') : $key) . '"'
. $extra . '>';
$html .= $options['option.text.toHtml'] ? htmlentities(html_entity_decode($text, ENT_COMPAT, 'UTF-8'), ENT_COMPAT, 'UTF-8') : $text;
$html .= '</option>' . $options['format.eol'];
}
}
return $html;
}
}