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<?php |
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/** |
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* @copyright Copyright (c) 2015 ublaboo <[email protected]> |
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* @author Pavel Janda <[email protected]> |
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* @package Ublaboo |
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*/ |
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namespace Ublaboo\DataGrid\Traits; |
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use Nette; |
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use Nette\Application\UI\InvalidLinkException; |
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use Nette\Application\UI\Presenter; |
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use Ublaboo\DataGrid\DataGrid; |
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use Ublaboo\DataGrid\Exception\DataGridHasToBeAttachedToPresenterComponentException; |
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use Ublaboo\DataGrid\Exception\DataGridLinkCreationException; |
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trait TLink |
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{ |
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/** |
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* Create link to custom destination |
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* @param DataGrid $grid |
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* @param string $href |
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* @param array $params |
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* @return string |
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* @throws DataGridHasToBeAttachedToPresenterComponentException |
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* @throws \InvalidArgumentException |
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* @throws DataGridLinkCreationException |
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*/ |
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protected function createLink(DataGrid $grid, $href, $params) |
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{ |
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$targetComponent = $grid; |
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if (strpos($href, ':') !== false) { |
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return $grid->getPresenter()->link($href, $params); |
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} |
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for ($iteration = 0; $iteration < 10; $iteration++) { |
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$targetComponent = $targetComponent->getParent(); |
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if ($targetComponent === null) { |
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$this->throwHierarchyLookupException($grid, $href, $params); |
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} |
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try { |
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@$link = $targetComponent->link($href, $params); |
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} catch (InvalidLinkException $e) { |
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$link = false; |
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} catch (Nette\InvalidArgumentException $e) { |
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$link = false; |
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} |
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if ($link) { |
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if ( |
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strpos($link, '#error') === 0 || |
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(strrpos($href, "!") !== false && strpos($link, '#') === 0) |
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) { |
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continue; // Did not find signal handler |
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} |
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return $link; // Found signal handler! |
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} else { |
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continue; // Did not find signal handler |
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} |
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if ($targetComponent instanceof Presenter) { |
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// Went the whole way up to the UI\Presenter and did not find any signal handler |
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$this->throwHierarchyLookupException($grid, $href, $params); |
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} |
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} |
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// Went 10 steps up to the UI\Presenter and did not find any signal handler |
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$this->throwHierarchyLookupException($grid, $href, $params); |
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} |
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/** |
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* @throws DataGridLinkCreationException |
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*/ |
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private function throwHierarchyLookupException(DataGrid $grid, $href, $params) |
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{ |
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$desiredHandler = get_class($grid->getParent()) . '::handle' . ucfirst($href) . '()'; |
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throw new DataGridLinkCreationException( |
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'DataGrid could not create link "' |
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. $href . '" - did not find any signal handler in componenet hierarchy from ' |
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. get_class($grid->getParent()) . ' up to the ' |
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. get_class($grid->getPresenter()) . '. ' |
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. 'Try adding handler ' . $desiredHandler |
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); |
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} |
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} |
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This check looks from parameters that have been defined for a function or method, but which are not used in the method body.