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<?php |
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namespace kalanis\kw_templates\HtmlElement; |
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use kalanis\kw_templates\Interfaces\IAttributes; |
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/** |
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* Trait TStyles |
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* @package kalanis\kw_templates\Template |
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* Trait for work with cascade style sheets - direct access to styles |
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* Extend child of AHtmlElement |
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* @author Adam Dornak original |
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* @author Petr Plsek refactored |
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*/ |
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trait TStyles |
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{ |
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public function addCss(string $name, string $value): void |
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{ |
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$attrStyle = $this->readCss(); |
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$attrStyle[$name] = $value; |
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$this->updateCss($attrStyle); |
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} |
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public function getCss(string $name): string |
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{ |
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$attrStyle = $this->readCss(); |
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return $attrStyle[$name]; |
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} |
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public function removeCss(string $name): void |
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{ |
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$attrStyle = $this->readCss(); |
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if (isset($attrStyle[$name])) { |
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unset($attrStyle[$name]); |
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} |
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$this->updateCss($attrStyle); |
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} |
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/** |
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* @return array<string, string> |
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*/ |
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private function readCss(): array |
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{ |
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$attrStyle = $this->getAttribute(IAttributes::ATTR_NAME_STYLE); |
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$parts = explode(IAttributes::ATTR_SEP_STYLE, strval($attrStyle)); |
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$styles = []; |
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foreach ($parts as $part) { |
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if ($part && false !== strpos($part, IAttributes::ATTR_SET_STYLE)) { |
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list($key, $val) = explode(IAttributes::ATTR_SET_STYLE, $part, 2); |
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$styles[trim($key)] = trim($val); |
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} |
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} |
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return $styles; |
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} |
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/** |
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* @param array<string, string> $attrStyle |
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*/ |
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private function updateCss(array $attrStyle): void |
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{ |
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$style = ''; |
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foreach ($attrStyle as $key => $val) { |
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$style .= $key . IAttributes::ATTR_SET_STYLE . $val . IAttributes::ATTR_SEP_STYLE; |
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} |
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$this->setAttribute(IAttributes::ATTR_NAME_STYLE, $style); |
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} |
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abstract public function getAttribute(string $name): ?string; |
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abstract public function setAttribute(string $name, string $value): void; |
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} |
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alex-kalanis /
kw_templates
