php-school /
cli-menu
| Total Complexity | 77 |
| Total Lines | 596 |
| Duplicated Lines | 0 % |
| Changes | 6 | ||
| Bugs | 0 | Features | 0 |
Complex classes like CliMenuBuilder often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use CliMenuBuilder, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 31 | class CliMenuBuilder |
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| 32 | { |
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| 33 | /** |
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| 34 | * @var CliMenu |
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| 35 | */ |
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| 36 | private $menu; |
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| 37 | |||
| 38 | /** |
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| 39 | * @var string |
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| 40 | */ |
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| 41 | private $goBackButtonText = 'Go Back'; |
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| 42 | |||
| 43 | /** |
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| 44 | * @var string |
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| 45 | */ |
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| 46 | private $exitButtonText = 'Exit'; |
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| 47 | |||
| 48 | /** |
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| 49 | * @var MenuStyle |
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| 50 | */ |
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| 51 | private $style; |
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| 52 | |||
| 53 | /** |
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| 54 | * @var Terminal |
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| 55 | */ |
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| 56 | private $terminal; |
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| 57 | |||
| 58 | /** |
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| 59 | * @var bool |
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| 60 | */ |
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| 61 | private $disableDefaultItems = false; |
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| 62 | |||
| 63 | /** |
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| 64 | * @var bool |
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| 65 | */ |
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| 66 | private $disabled = false; |
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| 67 | |||
| 68 | /** |
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| 69 | * Whether or not to auto create keyboard shortcuts for items |
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| 70 | * when they contain square brackets. Eg: [M]y item |
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| 71 | * |
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| 72 | * @var bool |
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| 73 | */ |
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| 74 | private $autoShortcuts = false; |
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| 75 | |||
| 76 | /** |
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| 77 | * Regex to auto match for shortcuts defaults to looking |
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| 78 | * for a single character encased in square brackets |
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| 79 | * |
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| 80 | * @var string |
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| 81 | */ |
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| 82 | private $autoShortcutsRegex = '/\[(.)\]/'; |
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| 83 | |||
| 84 | /** |
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| 85 | * @var bool |
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| 86 | */ |
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| 87 | private $subMenu = false; |
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| 88 | |||
| 89 | public function __construct(Terminal $terminal = null) |
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| 90 | { |
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| 91 | $this->terminal = $terminal ?? TerminalFactory::fromSystem(); |
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| 92 | $this->style = new MenuStyle($this->terminal); |
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| 93 | $this->menu = new CliMenu(null, [], $this->terminal, $this->style); |
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| 94 | } |
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| 95 | |||
| 96 | public static function newSubMenu(Terminal $terminal) : self |
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| 102 | } |
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| 103 | |||
| 104 | public function setTitle(string $title) : self |
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| 109 | } |
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| 110 | |||
| 111 | public function addMenuItem(MenuItemInterface $item) : self |
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| 118 | } |
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| 119 | |||
| 120 | public function addItem( |
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| 121 | string $text, |
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| 122 | callable $itemCallable, |
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| 123 | bool $showItemExtra = false, |
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| 124 | bool $disabled = false |
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| 125 | ) : self { |
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| 126 | $item = (new SelectableItem($text, $itemCallable, $showItemExtra, $disabled)) |
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| 127 | ->setStyle($this->menu->getSelectableStyle()); |
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| 128 | |||
| 129 | $this->addMenuItem($item); |
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| 130 | |||
| 131 | return $this; |
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| 132 | } |
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| 133 | |||
| 134 | public function addItems(array $items) : self |
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| 135 | { |
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| 136 | foreach ($items as $item) { |
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| 137 | $this->addItem(...$item); |
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| 138 | } |
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| 139 | |||
| 140 | return $this; |
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| 141 | } |
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| 142 | |||
| 143 | public function addCheckableItem( |
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| 144 | string $text, |
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| 145 | callable $itemCallable, |
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| 146 | bool $showItemExtra = false, |
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| 147 | bool $disabled = false |
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| 148 | ) : self { |
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| 149 | $item = (new CheckableItem($text, $itemCallable, $showItemExtra, $disabled)) |
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| 150 | ->setStyle($this->menu->getCheckableStyle()); |
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| 151 | |||
| 152 | $this->addMenuItem($item); |
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| 153 | |||
| 154 | return $this; |
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| 155 | } |
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| 156 | |||
| 157 | public function addRadioItem( |
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| 158 | string $text, |
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| 159 | callable $itemCallable, |
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| 160 | bool $showItemExtra = false, |
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| 161 | bool $disabled = false |
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| 162 | ) : self { |
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| 163 | $item = (new RadioItem($text, $itemCallable, $showItemExtra, $disabled)) |
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| 164 | ->setStyle($this->menu->getRadioStyle()); |
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| 165 | |||
| 166 | $this->addMenuItem($item); |
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| 167 | |||
| 168 | return $this; |
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| 169 | } |
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| 170 | |||
| 171 | public function addStaticItem(string $text) : self |
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| 172 | { |
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| 173 | $this->addMenuItem(new StaticItem($text)); |
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| 174 | |||
| 175 | return $this; |
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| 176 | } |
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| 177 | |||
| 178 | public function addLineBreak(string $breakChar = ' ', int $lines = 1) : self |
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| 179 | { |
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| 180 | $this->addMenuItem(new LineBreakItem($breakChar, $lines)); |
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| 181 | |||
| 182 | return $this; |
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| 183 | } |
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| 184 | |||
| 185 | public function addAsciiArt(string $art, string $position = AsciiArtItem::POSITION_CENTER, string $alt = '') : self |
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| 190 | } |
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| 191 | |||
| 192 | public function addSubMenu(string $text, Closure $callback) : self |
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| 193 | { |
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| 194 | $builder = self::newSubMenu($this->terminal); |
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| 195 | |||
| 196 | if ($this->autoShortcuts) { |
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| 197 | $builder->enableAutoShortcuts($this->autoShortcutsRegex); |
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| 198 | } |
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| 199 | |||
| 200 | $callback($builder); |
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| 201 | |||
| 202 | $menu = $this->createMenuClosure($builder); |
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| 203 | |||
| 204 | $item = (new MenuMenuItem($text, $menu, $builder->isMenuDisabled())) |
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| 205 | ->setStyle($this->menu->getSelectableStyle()); |
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| 206 | |||
| 207 | $this->menu->addItem($item); |
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| 208 | |||
| 209 | $this->processItemShortcut($item); |
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| 210 | |||
| 211 | return $this; |
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| 212 | } |
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| 213 | |||
| 214 | public function addSubMenuFromBuilder(string $text, CliMenuBuilder $builder) : self |
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| 226 | } |
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| 227 | |||
| 228 | /** |
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| 229 | * Create the submenu as a closure which is then unpacked in MenuMenuItem::showSubMenu |
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| 230 | * This allows us to wait until all user-provided styles are parsed and apply them to nested items |
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| 231 | * |
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| 232 | * @param CliMenuBuilder|SplitItemBuilder $builder |
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| 233 | * @return Closure |
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| 234 | */ |
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| 235 | protected function createMenuClosure($builder) : Closure |
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| 236 | { |
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| 237 | return function () use ($builder) { |
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| 238 | $menu = $builder->build(); |
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| 239 | |||
| 240 | $menu->setParent($this->menu); |
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| 241 | |||
| 242 | // we apply the parent theme if nothing was changed |
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| 243 | // if no styles were changed in this sub-menu |
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| 244 | if (!$menu->getStyle()->hasChangedFromDefaults()) { |
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| 245 | $menu->setStyle($this->menu->getStyle()); |
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| 246 | } |
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| 247 | |||
| 248 | // If user changed this style, persist to the menu so children CheckableItems may use it |
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| 249 | if ($this->menu->getCheckableStyle()->getIsCustom()) { |
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| 250 | $menu->setCheckableStyle(function (CheckableStyle $style) { |
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| 251 | $style->fromArray($this->menu->getCheckableStyle()->toArray()); |
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| 252 | }); |
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| 253 | } |
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| 254 | |||
| 255 | // If user changed this style, persist to the menu so children RadioItems may use it |
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| 256 | if ($this->menu->getRadioStyle()->getIsCustom()) { |
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| 257 | $menu->setRadioStyle(function (RadioStyle $style) { |
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| 258 | $style->fromArray($this->menu->getRadioStyle()->toArray()); |
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| 259 | }); |
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| 260 | } |
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| 261 | |||
| 262 | // If user changed this style, persist to the menu so children SelectableItems may use it |
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| 263 | if ($this->menu->getSelectableStyle()->getIsCustom()) { |
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| 264 | $menu->setSelectableStyle(function (SelectableStyle $style) { |
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| 265 | $style->fromArray($this->menu->getSelectableStyle()->toArray()); |
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| 266 | }); |
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| 267 | } |
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| 268 | |||
| 269 | // This will be filled with user-provided items |
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| 270 | foreach ($menu->getItems() as $item) { |
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| 271 | if ($item instanceof SelectableInterface && !$item->getStyle()->getIsCustom()) { |
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| 272 | $item->setStyle(clone $menu->getSelectableStyle()); |
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| 273 | } |
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| 274 | } |
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| 275 | |||
| 276 | return $menu; |
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| 277 | }; |
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| 278 | } |
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| 279 | |||
| 280 | public function enableAutoShortcuts(string $regex = null) : self |
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| 281 | { |
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| 282 | $this->autoShortcuts = true; |
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| 283 | |||
| 284 | if (null !== $regex) { |
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| 285 | $this->autoShortcutsRegex = $regex; |
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| 286 | } |
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| 287 | |||
| 288 | return $this; |
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| 289 | } |
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| 290 | |||
| 291 | private function extractShortcut(string $title) : ?string |
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| 292 | { |
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| 293 | preg_match($this->autoShortcutsRegex, $title, $match); |
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| 294 | |||
| 295 | if (!isset($match[1])) { |
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| 296 | return null; |
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| 297 | } |
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| 298 | |||
| 299 | if (mb_strlen($match[1]) > 1) { |
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| 300 | throw InvalidShortcutException::fromShortcut($match[1]); |
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| 301 | } |
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| 302 | |||
| 303 | return isset($match[1]) ? strtolower($match[1]) : null; |
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| 304 | } |
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| 305 | |||
| 306 | private function processItemShortcut(MenuItemInterface $item) : void |
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| 307 | { |
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| 308 | $this->processIndividualShortcut($item, function (CliMenu $menu) use ($item) { |
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| 309 | $menu->executeAsSelected($item); |
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| 310 | }); |
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| 311 | } |
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| 312 | |||
| 313 | private function processSplitItemShortcuts(SplitItem $splitItem) : void |
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| 314 | { |
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| 315 | foreach ($splitItem->getItems() as $item) { |
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| 316 | $this->processIndividualShortcut($item, function (CliMenu $menu) use ($splitItem, $item) { |
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| 317 | $current = $splitItem->getSelectedItemIndex(); |
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| 318 | |||
| 319 | $splitItem->setSelectedItemIndex( |
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| 320 | array_search($item, $splitItem->getItems(), true) |
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| 321 | ); |
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| 322 | |||
| 323 | $menu->executeAsSelected($splitItem); |
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| 324 | |||
| 325 | if ($current !== null) { |
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| 326 | $splitItem->setSelectedItemIndex($current); |
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| 327 | } |
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| 328 | }); |
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| 329 | } |
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| 330 | } |
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| 331 | |||
| 332 | private function processIndividualShortcut(MenuItemInterface $item, callable $callback) : void |
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| 333 | { |
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| 334 | if (!$this->autoShortcuts) { |
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| 335 | return; |
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| 336 | } |
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| 337 | |||
| 338 | if ($shortcut = $this->extractShortcut($item->getText())) { |
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| 339 | $this->menu->addCustomControlMapping( |
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| 340 | $shortcut, |
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| 341 | $callback |
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| 342 | ); |
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| 343 | } |
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| 344 | } |
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| 345 | |||
| 346 | public function addSplitItem(Closure $callback) : self |
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| 347 | { |
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| 348 | $builder = new SplitItemBuilder($this->menu); |
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| 349 | |||
| 350 | if ($this->autoShortcuts) { |
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| 351 | $builder->enableAutoShortcuts($this->autoShortcutsRegex); |
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| 352 | } |
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| 353 | |||
| 354 | // If user changed this style, persist to the menu so children CheckableItems may use it |
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| 355 | if ($this->menu->getCheckableStyle()->getIsCustom()) { |
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| 356 | $builder->setCheckableStyle(function (CheckableStyle $style) { |
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| 357 | $style->fromArray($this->menu->getCheckableStyle()->toArray()); |
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| 358 | }); |
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| 359 | } |
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| 360 | |||
| 361 | // If user changed this style, persist to the menu so children RadioItems may use it |
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| 362 | if ($this->menu->getRadioStyle()->getIsCustom()) { |
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| 363 | $builder->setRadioStyle(function (RadioStyle $style) { |
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| 364 | $style->fromArray($this->menu->getRadioStyle()->toArray()); |
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| 365 | }); |
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| 366 | } |
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| 367 | |||
| 368 | // If user changed this style, persist to the menu so children SelectableItems may use it |
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| 369 | if ($this->menu->getSelectableStyle()->getIsCustom()) { |
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| 370 | $builder->setSelectableStyle(function (SelectableStyle $style) { |
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| 371 | $style->fromArray($this->menu->getSelectableStyle()->toArray()); |
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| 372 | }); |
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| 373 | } |
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| 374 | |||
| 375 | $callback($builder); |
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| 376 | |||
| 377 | $this->menu->addItem($splitItem = $builder->build()); |
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| 378 | |||
| 379 | $this->processSplitItemShortcuts($splitItem); |
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| 380 | |||
| 381 | return $this; |
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| 382 | } |
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| 383 | |||
| 384 | /** |
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| 385 | * Disable a submenu |
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| 386 | * |
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| 387 | * @throws \InvalidArgumentException |
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| 388 | */ |
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| 389 | public function disableMenu() : self |
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| 390 | { |
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| 391 | if (!$this->subMenu) { |
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| 392 | throw new \InvalidArgumentException( |
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| 393 | 'You can\'t disable the root menu' |
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| 394 | ); |
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| 395 | } |
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| 396 | |||
| 397 | $this->disabled = true; |
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| 398 | |||
| 399 | return $this; |
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| 400 | } |
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| 401 | |||
| 402 | public function isMenuDisabled() : bool |
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| 403 | { |
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| 404 | return $this->disabled; |
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| 405 | } |
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| 406 | |||
| 407 | public function setGoBackButtonText(string $goBackButtonTest) : self |
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| 408 | { |
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| 409 | $this->goBackButtonText = $goBackButtonTest; |
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| 410 | |||
| 411 | return $this; |
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| 412 | } |
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| 413 | |||
| 414 | public function setExitButtonText(string $exitButtonText) : self |
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| 415 | { |
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| 416 | $this->exitButtonText = $exitButtonText; |
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| 417 | |||
| 418 | return $this; |
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| 419 | } |
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| 420 | |||
| 421 | public function setBackgroundColour(string $colour, string $fallback = null) : self |
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| 422 | { |
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| 423 | $this->style->setBg($colour, $fallback); |
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| 424 | |||
| 425 | return $this; |
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| 426 | } |
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| 427 | |||
| 428 | public function setForegroundColour(string $colour, string $fallback = null) : self |
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| 429 | { |
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| 430 | $this->style->setFg($colour, $fallback); |
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| 431 | |||
| 432 | return $this; |
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| 433 | } |
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| 434 | |||
| 435 | public function setWidth(int $width) : self |
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| 436 | { |
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| 437 | $this->style->setWidth($width); |
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| 438 | |||
| 439 | return $this; |
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| 440 | } |
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| 441 | |||
| 442 | public function setPadding(int $topBottom, int $leftRight = null) : self |
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| 443 | { |
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| 444 | $this->style->setPadding($topBottom, $leftRight); |
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| 445 | |||
| 446 | return $this; |
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| 447 | } |
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| 448 | |||
| 449 | public function setPaddingTopBottom(int $topBottom) : self |
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| 450 | { |
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| 451 | $this->style->setPaddingTopBottom($topBottom); |
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| 452 | |||
| 453 | return $this; |
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| 454 | } |
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| 455 | |||
| 456 | public function setPaddingLeftRight(int $leftRight) : self |
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| 457 | { |
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| 458 | $this->style->setPaddingLeftRight($leftRight); |
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| 459 | |||
| 460 | return $this; |
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| 461 | } |
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| 462 | |||
| 463 | public function setMarginAuto() : self |
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| 464 | { |
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| 465 | $this->style->setMarginAuto(); |
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| 466 | |||
| 467 | return $this; |
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| 468 | } |
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| 469 | |||
| 470 | public function setMargin(int $margin) : self |
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| 471 | { |
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| 472 | $this->style->setMargin($margin); |
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| 473 | |||
| 474 | return $this; |
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| 475 | } |
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| 476 | |||
| 477 | public function setUnselectedMarker(string $marker) : self |
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| 478 | { |
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| 479 | $this->style->setUnselectedMarker($marker); |
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| 480 | |||
| 481 | return $this; |
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| 482 | } |
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| 483 | |||
| 484 | public function setSelectedMarker(string $marker) : self |
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| 485 | { |
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| 486 | $this->style->setSelectedMarker($marker); |
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| 487 | |||
| 488 | return $this; |
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| 489 | } |
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| 490 | |||
| 491 | public function setItemExtra(string $extra) : self |
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| 492 | { |
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| 493 | $this->style->setItemExtra($extra); |
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| 494 | |||
| 495 | //if we customise item extra, it means we most likely want to display it |
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| 496 | $this->displayExtra(); |
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| 497 | |||
| 498 | return $this; |
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| 499 | } |
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| 500 | |||
| 501 | public function setTitleSeparator(string $separator) : self |
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| 506 | } |
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| 507 | |||
| 508 | public function setBorder(int $top, $right = null, $bottom = null, $left = null, string $colour = null) : self |
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| 509 | { |
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| 510 | $this->style->setBorder($top, $right, $bottom, $left, $colour); |
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| 511 | |||
| 512 | return $this; |
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| 513 | } |
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| 514 | |||
| 515 | public function setBorderTopWidth(int $width) : self |
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| 516 | { |
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| 517 | $this->style->setBorderTopWidth($width); |
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| 518 | |||
| 519 | return $this; |
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| 520 | } |
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| 521 | |||
| 522 | public function setBorderRightWidth(int $width) : self |
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| 527 | } |
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| 528 | |||
| 529 | public function setBorderBottomWidth(int $width) : self |
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| 530 | { |
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| 531 | $this->style->setBorderBottomWidth($width); |
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| 532 | |||
| 533 | return $this; |
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| 534 | } |
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| 535 | |||
| 536 | public function setBorderLeftWidth(int $width) : self |
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| 537 | { |
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| 538 | $this->style->setBorderLeftWidth($width); |
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| 539 | |||
| 540 | return $this; |
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| 541 | } |
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| 542 | |||
| 543 | public function setBorderColour(string $colour, $fallback = null) : self |
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| 548 | } |
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| 549 | |||
| 550 | public function getStyle() : MenuStyle |
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| 551 | { |
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| 552 | return $this->style; |
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| 553 | } |
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| 554 | |||
| 555 | public function getTerminal() : Terminal |
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| 556 | { |
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| 557 | return $this->terminal; |
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| 558 | } |
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| 559 | |||
| 560 | private function getDefaultItems() : array |
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| 561 | { |
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| 562 | $actions = []; |
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| 563 | if ($this->subMenu) { |
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| 564 | $actions[] = (new SelectableItem($this->goBackButtonText, new GoBackAction)) |
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| 565 | ->setStyle($this->menu->getSelectableStyle()); |
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| 566 | } |
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| 567 | |||
| 568 | $actions[] = (new SelectableItem($this->exitButtonText, new ExitAction)) |
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| 569 | ->setStyle($this->menu->getSelectableStyle()); |
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| 570 | |||
| 571 | return $actions; |
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| 572 | } |
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| 573 | |||
| 574 | public function disableDefaultItems() : self |
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| 575 | { |
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| 576 | $this->disableDefaultItems = true; |
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| 577 | |||
| 578 | return $this; |
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| 579 | } |
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| 580 | |||
| 581 | public function displayExtra() : self |
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| 582 | { |
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| 583 | $this->style->setDisplaysExtra(true); |
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| 584 | |||
| 585 | return $this; |
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| 586 | } |
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| 587 | |||
| 588 | private function itemsHaveExtra(array $items) : bool |
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| 589 | { |
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| 590 | return !empty(array_filter($items, function (MenuItemInterface $item) { |
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| 591 | return $item->showsItemExtra(); |
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| 592 | })); |
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| 593 | } |
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| 594 | |||
| 595 | public function build() : CliMenu |
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| 596 | { |
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| 597 | if (!$this->disableDefaultItems) { |
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| 598 | $this->menu->addItems($this->getDefaultItems()); |
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| 599 | } |
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| 600 | |||
| 601 | if (!$this->style->getDisplaysExtra()) { |
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| 602 | $this->style->setDisplaysExtra($this->itemsHaveExtra($this->menu->getItems())); |
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| 603 | } |
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| 604 | |||
| 605 | return $this->menu; |
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| 606 | } |
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| 607 | |||
| 608 | public function setCheckableStyle(callable $itemCallable) : self |
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| 609 | { |
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| 610 | $this->menu->setCheckableStyle($itemCallable); |
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| 611 | |||
| 612 | return $this; |
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| 613 | } |
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| 614 | |||
| 615 | public function setRadioStyle(callable $itemCallable) : self |
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| 616 | { |
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| 617 | $this->menu->setRadioStyle($itemCallable); |
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| 618 | |||
| 619 | return $this; |
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| 620 | } |
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| 621 | |||
| 622 | public function setSelectableStyle(callable $itemCallable) : self |
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| 627 | } |
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| 628 | } |
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| 629 |
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This check compares calls to functions or methods with their respective definitions. If the call has less arguments than are defined, it raises an issue.
If a function is defined several times with a different number of parameters, the check may pick up the wrong definition and report false positives. One codebase where this has been known to happen is Wordpress. Please note the @ignore annotation hint above.