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<?php |
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namespace KyleMassacre\Menus\Presenters; |
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use KyleMassacre\Menus\Contracts\MenuItemContract; |
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abstract class Presenter implements PresenterInterface |
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{ |
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/** |
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* Get open tag wrapper. |
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* |
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* @return string |
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*/ |
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public function getOpenTagWrapper(): ?string |
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{ |
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} |
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/** |
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* Get close tag wrapper. |
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* |
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* @return string |
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*/ |
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public function getCloseTagWrapper(): ?string |
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{ |
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} |
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/** |
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* Get menu tag without dropdown wrapper. |
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* |
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* @param MenuItemContract $item |
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* |
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* @return string |
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*/ |
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public function getMenuWithoutDropdownWrapper(MenuItemContract $item): ?string |
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{ |
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} |
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/** |
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* Get divider tag wrapper. |
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* |
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* @return string |
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*/ |
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public function getDividerWrapper(): ?string |
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{ |
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} |
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/** |
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* Get header dropdown tag wrapper. |
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* |
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* @param MenuItemContract $item |
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* |
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* @return null|string |
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*/ |
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public function getHeaderWrapper(MenuItemContract $item): ?string |
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{ |
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} |
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/** |
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* Get menu tag with dropdown wrapper. |
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* |
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* @param \KyleMassacre\Menus\MenuItem $item |
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* |
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* @return string |
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*/ |
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public function getMenuWithDropDownWrapper(MenuItemContract $item): ?string |
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{ |
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} |
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/** |
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* Get multi level dropdown menu wrapper. |
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* |
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* @param \KyleMassacre\Menus\MenuItem $item |
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* |
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* @return string |
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*/ |
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public function getMultiLevelDropdownWrapper(MenuItemContract $item): string |
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{ |
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} |
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/** |
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* Get child menu items. |
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* |
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* @param \KyleMassacre\Menus\MenuItem $item |
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* |
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* @return string |
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*/ |
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public function getChildMenuItems(MenuItemContract $item): string |
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{ |
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$results = ''; |
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foreach ($item->getChildren() as $child) { |
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if ($child->hidden()) { |
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continue; |
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} |
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if ($child->hasSubMenu()) { |
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$results .= $this->getMultiLevelDropdownWrapper($child); |
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} elseif ($child->isHeader()) { |
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$results .= $this->getHeaderWrapper($child); |
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} elseif ($child->isDivider()) { |
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$results .= $this->getDividerWrapper(); |
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} else { |
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$results .= $this->getMenuWithoutDropdownWrapper($child); |
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} |
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} |
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return $results; |
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} |
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} |
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For hinted functions/methods where all return statements with the correct type are only reachable via conditions, ?null? gets implicitly returned which may be incompatible with the hinted type. Let?s take a look at an example: