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<?php |
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/** |
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* ____ _ _ _ _ |
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* | _ \| |__ | |_ ___ _ __ ___ __ _(_) | |
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* | |_) | '_ \| __/ _ \ '_ ` _ \ / _` | | | |
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* | __/| | | | || __/ | | | | | (_| | | | |
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* |_| |_| |_|\__\___|_| |_| |_|\__,_|_|_| |
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* |
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* This file is part of Kristuff\Phtemail. |
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* |
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* (c) Kristuff <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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* |
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* @version 0.2.0 |
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* @copyright 2017-2020 Kristuff |
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*/ |
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namespace Kristuff\Phtemail\Core; |
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use Kristuff\Phtemail\HtmlEmailBuilder; |
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/** |
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* Class HtmlElement |
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* Abstract base class for all Html email elements |
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*/ |
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abstract class HtmlElement extends StylizedElement |
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{ |
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/** |
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* The HtmlElement parent element |
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* |
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* @access protected |
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* @var HtmlElement $parent |
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*/ |
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protected $parent = null; |
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/** |
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* Define the parent of of current htmlElement |
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* |
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* @access public |
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* @param HtmlElement $element The parent HtmlElement |
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* |
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* @return void |
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*/ |
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public function setParent(HtmlElement $element) |
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{ |
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$this->parent = $element; |
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} |
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/** |
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* Gets the HtmlEmailBuilder parent instance |
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* Could be direct parent of this element, sub parent (recursive function) |
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* |
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* @access public |
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* @return HtmlEmailBuilder |
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*/ |
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public function getBuilder() |
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{ |
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// try with the first level parent |
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if ($this->parent instanceof HtmlEmailBuilder){ |
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return $this->parent; |
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} |
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// look for parent of parent... |
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return $this->parent->getBuilder(); |
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} |
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/** |
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* Get the HTML |
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* |
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* @access public |
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* @param string $indent |
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* |
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* @return string |
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*/ |
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abstract public function getHtml(string $indent); |
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/** |
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* Gets the effective style for the given key. Style can be set |
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* at current HtmlElement level, or parent level. If none of them |
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* are set, returns a default value. |
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* |
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* @access public |
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* @param string $key The style name |
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* |
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* @return string |
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*/ |
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public function getEffectiveStyle(string $key) |
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{ |
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// first look if key style is defined in this element |
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if (array_key_exists($key, $this->styles)){ |
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return $this->styles[$key]; |
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} |
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// look into parent |
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if (!$this->parent instanceof HtmlEmailBuilder){ |
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$style = $this->parent->getEffectiveStyle($key); |
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if (!empty($style)){ |
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return $style; |
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} |
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} |
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// get default |
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if (in_array($key, $this->knowStyles)){ |
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switch ($key){ |
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case 'padding-top': return '0'; |
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case 'padding-bottom': return '0'; |
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case 'padding-left': return '0'; |
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case 'padding-right': return '0'; |
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case 'font-size': return $this->getBuilder()->emailBodyFontSize(); |
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case 'font-family': return $this->getBuilder()->emailBodyFont(); |
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case 'color': return $this->getBuilder()->emailBodyColor(); |
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case 'background-color': return $this->getBuilder()->emailBodyBackground(); |
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} |
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} |
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} |
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/** |
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* Gets the inline styles for current element. Styles may be set |
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* explicitly at current HtmlElement level, or part of mandatory |
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* styles some HtmlElements will force to use. |
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* |
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* @access public |
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* @param string $key The style name |
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* |
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* @return string |
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*/ |
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protected function getInlineStyles() |
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{ |
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$stylesCollection = []; |
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foreach ($this->styles as $key => $value){ |
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$stylesCollection[] = $key. ':' . $value; |
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} |
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// check for mandatory styles |
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foreach ($this->mandatoryStyles as $style){ |
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if (!array_key_exists($style, $this->styles)){ |
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$stylesCollection[] = $style . ':' . $this->getEffectiveStyle($style); |
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} |
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} |
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return !empty($stylesCollection) ? ' style="'. implode(';', $stylesCollection) .'"' : ''; |
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} |
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} |
kristuff /
phtemail
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