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1 | <?php |
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2 | namespace Redaxscript\Navigation; |
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3 | |||
4 | use Redaxscript\Html; |
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5 | use Redaxscript\Model; |
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6 | use Redaxscript\Module; |
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7 | use Redaxscript\Validator; |
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8 | |||
9 | /** |
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10 | * children class to create the category navigation |
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11 | * |
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12 | * @since 3.3.0 |
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13 | * |
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14 | * @package Redaxscript |
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15 | * @category Navigation |
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16 | * @author Henry Ruhs |
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17 | */ |
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18 | |||
19 | class Category extends NavigationAbstract |
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20 | { |
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21 | /** |
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22 | * options of the navigation |
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23 | * |
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24 | * @var array |
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25 | */ |
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26 | |||
27 | protected $_optionArray = |
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28 | [ |
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29 | 'className' => |
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30 | [ |
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31 | 'list' => 'rs-list-categories', |
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32 | 'children' => 'rs-list-children', |
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33 | 'active' => 'rs-item-active' |
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34 | ], |
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35 | 'orderColumn' => 'rank' |
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36 | ]; |
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37 | |||
38 | /** |
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39 | * render the view |
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40 | * |
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41 | * @since 3.3.0 |
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42 | * |
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43 | * @return string |
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44 | */ |
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45 | |||
46 | 3 | public function render() : string |
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47 | { |
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48 | 3 | $output = Module\Hook::trigger('navigationCategoryStart'); |
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49 | 3 | $categoryModel = new Model\Category(); |
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50 | |||
51 | /* query categories */ |
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52 | |||
53 | $categories = $categoryModel |
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54 | 3 | ->query() |
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55 | 3 | ->whereLanguageIs($this->_registry->get('language')) |
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56 | 3 | ->whereNull('parent') |
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57 | 3 | ->where('status', 1) |
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58 | 3 | ->orderBySetting($this->_optionArray['orderColumn']) |
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59 | 3 | ->limit($this->_optionArray['limit']) |
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60 | 3 | ->findMany(); |
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61 | |||
62 | /* collect output */ |
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63 | |||
64 | 3 | $output .= $this->_renderList($categories); |
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65 | 3 | $output .= Module\Hook::trigger('navigationCategoryEnd'); |
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66 | 3 | return $output; |
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67 | } |
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68 | |||
69 | /** |
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70 | * render the list |
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71 | * |
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72 | * @since 3.3.0 |
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73 | * |
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74 | * @param object $categories |
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75 | * @param int $level |
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76 | * |
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77 | * @return string|null |
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78 | */ |
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79 | |||
80 | 3 | protected function _renderList(object $categories = null, int $level = 0) : ?string |
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81 | { |
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82 | 3 | $output = null; |
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83 | 3 | $outputItem = null; |
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84 | 3 | $categoryModel = new Model\Category(); |
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85 | 3 | $accessValidator = new Validator\Access(); |
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86 | |||
87 | /* html element */ |
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88 | |||
89 | 3 | $element = new Html\Element(); |
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90 | $listElement = $element |
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91 | 3 | ->copy() |
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92 | 3 | ->init('ul', |
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93 | [ |
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94 | 3 | 'class' => $level === 0 ? $this->_optionArray['className']['list'] : $this->_optionArray['className']['children'] |
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95 | ]); |
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96 | 3 | $itemElement = $element->copy()->init('li'); |
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97 | 3 | $linkElement = $element->copy()->init('a'); |
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98 | 3 | $textElement = $element->copy()->init('span'); |
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99 | |||
100 | /* collect item output */ |
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101 | |||
102 | 3 | foreach ($categories as $value) |
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103 | { |
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104 | 3 | if ($accessValidator->validate($value->access, $this->_registry->get('myGroups'))) |
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105 | { |
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106 | $outputItem .= $itemElement |
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107 | 3 | ->copy() |
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108 | 3 | ->addClass($this->_registry->get('firstParameter') === $value->alias ? $this->_optionArray['className']['active'] : null) |
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109 | 3 | ->html($linkElement |
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110 | 3 | ->copy() |
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111 | 3 | ->attr( |
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112 | [ |
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113 | 3 | 'href' => $this->_registry->get('parameterRoute') . $categoryModel->getRouteById($value->id) |
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114 | ]) |
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115 | 3 | ->text($value->title) |
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116 | ) |
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117 | 3 | ->append( |
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118 | 3 | $this->_renderList($categoryModel |
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119 | 3 | ->query() |
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120 | 3 | ->whereLanguageIs($this->_registry->get('language')) |
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121 | 3 | ->where( |
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122 | [ |
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123 | 3 | 'parent' => $value->id, |
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124 | 3 | 'status' => 1 |
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125 | ]) |
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126 | 3 | ->orderBySetting($this->_optionArray['orderColumn']) |
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127 | 3 | ->limit($this->_optionArray['limit']) |
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128 | 3 | ->findMany(), ++$level |
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129 | ) |
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130 | ); |
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131 | } |
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132 | } |
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133 | |||
134 | /* collect output */ |
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135 | |||
136 | 3 | if ($outputItem) |
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137 | { |
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138 | 3 | $output .= $listElement->html($outputItem); |
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139 | } |
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140 | 3 | else if ($level === 0) |
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141 | { |
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142 | $output .= $listElement->html($itemElement->html($textElement->text($this->_language->get('category_no')))); |
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143 | } |
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144 | 3 | return $output; |
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145 | } |
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146 | } |
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147 |
In PHP, under loose comparison (like
==
, or!=
, orswitch
conditions), values of different types might be equal.For
string
values, the empty string''
is a special case, in particular the following results might be unexpected: