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| 1 | <?php |
| 2 | /** |
| 3 | * Pop PHP Framework (http://www.popphp.org/) |
| 4 | * |
| 5 | * @link https://github.com/popphp/popphp-framework |
| 6 | * @author Nick Sagona, III <dev@nolainteractive.com> |
| 7 | * @copyright Copyright (c) 2009-2024 NOLA Interactive, LLC. (http://www.nolainteractive.com) |
| 8 | * @license http://www.popphp.org/license New BSD License |
| 9 | */ |
| 10 | |
| 11 | /** |
| 12 | * @namespace |
| 13 | */ |
| 14 | namespace Pop\Css; |
| 15 | |
| 16 | use ArrayIterator; |
| 17 | |
| 18 | /** |
| 19 | * Abstract CSS class |
| 20 | * |
| 21 | * @category Pop |
| 22 | * @package Pop\Css |
| 23 | * @author Nick Sagona, III <dev@nolainteractive.com> |
| 24 | * @copyright Copyright (c) 2009-2024 NOLA Interactive, LLC. (http://www.nolainteractive.com) |
| 25 | * @license http://www.popphp.org/license New BSD License |
| 26 | * @version 2.0.0 |
| 27 | */ |
| 28 | abstract class AbstractCss implements \ArrayAccess, \Countable, \IteratorAggregate |
| 29 | { |
| 30 | |
| 31 | /** |
| 32 | * Trait declaration |
| 33 | */ |
| 34 | use CommentTrait; |
| 35 | |
| 36 | /** |
| 37 | * Selectors |
| 38 | * @var array |
| 39 | */ |
| 40 | protected array $selectors = []; |
| 41 | |
| 42 | /** |
| 43 | * Elements |
| 44 | * @var array |
| 45 | */ |
| 46 | protected array $elements = []; |
| 47 | |
| 48 | /** |
| 49 | * IDs |
| 50 | * @var array |
| 51 | */ |
| 52 | protected array $ids = []; |
| 53 | |
| 54 | /** |
| 55 | * Classes |
| 56 | * @var array |
| 57 | */ |
| 58 | protected array $classes = []; |
| 59 | |
| 60 | /** |
| 61 | * Minify flag |
| 62 | * @var bool |
| 63 | */ |
| 64 | protected bool $minify = false; |
| 65 | |
| 66 | /** |
| 67 | * Add CSS selector |
| 68 | * |
| 69 | * @param Selector $selector |
| 70 | * @return AbstractCss |
| 71 | */ |
| 72 | public function addSelector(Selector $selector): AbstractCss |
| 73 | { |
| 74 | $this->selectors[$selector->getName()] = $selector; |
| 75 | |
| 76 | if ($selector->isElementSelector()) { |
| 77 | $this->elements[] = $selector->getName(); |
| 78 | } else if ($selector->isIdSelector()) { |
| 79 | $this->ids[] = $selector->getName(); |
| 80 | } else if ($selector->isClassSelector()) { |
| 81 | $this->classes[] = $selector->getName(); |
| 82 | } |
| 83 | |
| 84 | return $this; |
| 85 | } |
| 86 | |
| 87 | /** |
| 88 | * Add CSS selectors |
| 89 | * |
| 90 | * @param array $selectors |
| 91 | * @return AbstractCss |
| 92 | */ |
| 93 | public function addSelectors(array $selectors): AbstractCss |
| 94 | { |
| 95 | foreach ($selectors as $selector) { |
| 96 | $this->addSelector($selector); |
| 97 | } |
| 98 | return $this; |
| 99 | } |
| 100 | |
| 101 | /** |
| 102 | * Check if the object has CSS selector |
| 103 | * |
| 104 | * @param string $selector |
| 105 | * @return bool |
| 106 | */ |
| 107 | public function hasSelector(string $selector): bool |
| 108 | { |
| 109 | return (isset($this->selectors[$selector])); |
| 110 | } |
| 111 | |
| 112 | /** |
| 113 | * Get CSS selector |
| 114 | * |
| 115 | * @param string $selector |
| 116 | * @return Selector|null |
| 117 | */ |
| 118 | public function getSelector(string $selector): Selector|null |
| 119 | { |
| 120 | return $this->selectors[$selector] ?? null; |
| 121 | } |
| 122 | |
| 123 | /** |
| 124 | * Get CSS selector |
| 125 | * |
| 126 | * @param string $selector |
| 127 | * @return AbstractCss |
| 128 | */ |
| 129 | public function removeSelector(string $selector): AbstractCss |
| 130 | { |
| 131 | if (isset($this->selectors[$selector])) { |
| 132 | unset($this->selectors[$selector]); |
| 133 | if (in_array($selector, $this->elements)) { |
| 134 | unset($this->elements[array_search($selector, $this->elements)]); |
| 135 | } else if (in_array($selector, $this->ids)) { |
| 136 | unset($this->ids[array_search($selector, $this->ids)]); |
| 137 | } else if (in_array($selector, $this->classes)) { |
| 138 | unset($this->classes[array_search($selector, $this->classes)]); |
| 139 | } |
| 140 | } |
| 141 | |
| 142 | return $this; |
| 143 | } |
| 144 | |
| 145 | /** |
| 146 | * Set minify flag |
| 147 | * |
| 148 | * @param bool $minify |
| 149 | * @return AbstractCss |
| 150 | */ |
| 151 | public function minify(bool $minify = true): AbstractCss |
| 152 | { |
| 153 | $this->minify = $minify; |
| 154 | return $this; |
| 155 | } |
| 156 | |
| 157 | /** |
| 158 | * Check if minify flag is set |
| 159 | * |
| 160 | * @return bool |
| 161 | */ |
| 162 | public function isMinified(): bool |
| 163 | { |
| 164 | return $this->minify; |
| 165 | } |
| 166 | |
| 167 | /** |
| 168 | * Method to iterate over the properties |
| 169 | * |
| 170 | * @return ArrayIterator |
| 171 | */ |
| 172 | public function getIterator(): ArrayIterator |
| 173 | { |
| 174 | return new ArrayIterator($this->selectors); |
| 175 | } |
| 176 | |
| 177 | /** |
| 178 | * Method to get the count of properties |
| 179 | * |
| 180 | * @return int |
| 181 | */ |
| 182 | public function count(): int |
| 183 | { |
| 184 | return count($this->selectors); |
| 185 | } |
| 186 | |
| 187 | /** |
| 188 | * ArrayAccess offsetExists |
| 189 | * |
| 190 | * @param mixed $offset |
| 191 | * @return bool |
| 192 | */ |
| 193 | public function offsetExists(mixed $offset): bool |
| 194 | { |
| 195 | return $this->hasSelector($offset); |
| 196 | } |
| 197 | |
| 198 | /** |
| 199 | * ArrayAccess offsetGet |
| 200 | * |
| 201 | * @param mixed $offset |
| 202 | * @return mixed |
| 203 | */ |
| 204 | public function offsetGet(mixed $offset): mixed |
| 205 | { |
| 206 | return $this->getSelector($offset); |
| 207 | } |
| 208 | |
| 209 | /** |
| 210 | * ArrayAccess offsetSet |
| 211 | * |
| 212 | * @param mixed $offset |
| 213 | * @param mixed $value |
| 214 | * @throws Exception |
| 215 | * @return void |
| 216 | */ |
| 217 | public function offsetSet(mixed $offset, mixed $value): void |
| 218 | { |
| 219 | if (!($value instanceof Selector)) { |
| 220 | throw new Exception('Error: The value passed must be an instance of Pop\Css\Selector'); |
| 221 | } |
| 222 | $value->setName($offset); |
| 223 | $this->addSelector($value); |
| 224 | } |
| 225 | |
| 226 | /** |
| 227 | * ArrayAccess offsetUnset |
| 228 | * |
| 229 | * @param mixed $offset |
| 230 | * @return void |
| 231 | */ |
| 232 | public function offsetUnset(mixed $offset): void |
| 233 | { |
| 234 | $this->removeSelector($offset); |
| 235 | } |
| 236 | |
| 237 | } |