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<?php |
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namespace OneSheet\Style; |
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use OneSheet\Xml\StyleXml; |
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/** |
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* Class Styler to keep track of registered styles. |
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* |
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* @package OneSheet |
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*/ |
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class Styler |
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{ |
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/** |
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* Holds unique styles. |
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* |
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* @var Style[] |
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*/ |
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private $styles = array(); |
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/** |
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* Holds unique fonts. |
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* |
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* @var Font[] |
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*/ |
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private $fonts = array(); |
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/** |
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* Holds unique fills. |
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* |
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* @var Fill[] |
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*/ |
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private $fills = array(); |
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/** |
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* Holds unique borders. |
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* |
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* @var Border[] |
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*/ |
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private $borders = array(); |
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/** |
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* Holds (hash => component id) mappings. |
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* |
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* @var array |
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*/ |
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private $hashes = array(); |
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/** |
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* Styler constructor to initialize reserved default styles. |
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*/ |
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public function __construct() |
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{ |
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$this->addStyle(new Style()); |
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$grey = new Style(); |
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$this->addStyle($grey->setFillPattern('grey125')); |
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} |
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/** |
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* Add a new style, if it doesnt exists yet. |
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* |
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* @param Style $style |
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*/ |
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public function addStyle(Style $style) |
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{ |
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if (null === $style->getId()) { |
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$this->register($style->getFont(), $this->fonts); |
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$this->register($style->getFill(), $this->fills); |
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$this->register($style->getBorder(), $this->borders); |
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$this->register($style, $this->styles); |
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$style->lock(); |
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} |
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} |
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/** |
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* Register a new style/font/fill component to account |
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* for reusable styles, fills, fonts, ... |
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* |
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* @param Component $component |
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* @param array $collection |
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*/ |
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private function register(Component $component, &$collection) |
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{ |
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$hash = md5($component->asXml()); |
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if (isset($this->hashes[$hash])) { |
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$component->setId($this->hashes[$hash]); |
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} else { |
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$newId = count($collection); |
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$component->setId($newId); |
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$collection[$newId] = $component; |
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$this->hashes[$hash] = $newId; |
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} |
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} |
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/** |
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* Return default style (Calibri,11). |
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* |
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* @return Style |
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*/ |
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public function getDefaultStyle() |
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{ |
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return $this->styles[0]; |
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} |
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/** |
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* Return entire xml string for the style sheet. |
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* |
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* @return string |
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*/ |
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public function getStyleSheetXml() |
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{ |
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$fontsXml = $this->getComponentXml($this->fonts); |
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$fillsXml = $this->getComponentXml($this->fills); |
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$bordersXml = $this->getComponentXml($this->borders); |
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$cellXfsXml = $this->getComponentXml($this->styles); |
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return sprintf(StyleXml::STYLE_SHEET_XML, |
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sprintf(StyleXml::FONTS_XML, count($this->fonts), $fontsXml), |
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sprintf(StyleXml::FILLS_XML, count($this->fills), $fillsXml), |
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sprintf(StyleXml::BORDERS_XML, count($this->borders), $bordersXml), |
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sprintf(StyleXml::CELL_XFS_XML, count($this->styles), $cellXfsXml) |
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); |
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} |
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/** |
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* Return fonts, fills, borders, xfs xml strings. |
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* |
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* @param Component[] $components |
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* @return string |
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*/ |
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private function getComponentXml(array &$components) |
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{ |
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$componentXml = ''; |
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foreach ($components as $component) { |
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$componentXml .= $component->asXml(); |
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} |
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return $componentXml; |
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} |
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} |
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nimmneun /
onesheet
