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<?php |
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namespace Box\Spout\Writer\Common\Manager\Style; |
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use Box\Spout\Common\Entity\Style\Style; |
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/** |
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* Class StyleMerger |
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* Takes care of merging styles together |
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*/ |
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class StyleMerger |
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{ |
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/** |
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* Merges the current style with the given style, using the given style as a base. This means that: |
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* - if current style and base style both have property A set, use current style property's value |
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* - if current style has property A set but base style does not, use current style property's value |
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* - if base style has property A set but current style does not, use base style property's value |
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* |
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* @NOTE: This function returns a new style. |
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* |
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* @param Style $style |
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* @param Style $baseStyle |
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* @return Style New style corresponding to the merge of the 2 styles |
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*/ |
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public function merge(Style $style, Style $baseStyle) |
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{ |
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$mergedStyle = clone $style; |
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$this->mergeFontStyles($mergedStyle, $style, $baseStyle); |
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$this->mergeOtherFontProperties($mergedStyle, $style, $baseStyle); |
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$this->mergeCellProperties($mergedStyle, $style, $baseStyle); |
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return $mergedStyle; |
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} |
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/** |
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* @param Style $styleToUpdate (passed as reference) |
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* @param Style $style |
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* @param Style $baseStyle |
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* @return void |
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*/ |
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private function mergeFontStyles(Style $styleToUpdate, Style $style, Style $baseStyle) |
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{ |
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if (!$style->hasSetFontBold() && $baseStyle->isFontBold()) { |
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$styleToUpdate->setFontBold(); |
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} |
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if (!$style->hasSetFontItalic() && $baseStyle->isFontItalic()) { |
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$styleToUpdate->setFontItalic(); |
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} |
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if (!$style->hasSetFontUnderline() && $baseStyle->isFontUnderline()) { |
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$styleToUpdate->setFontUnderline(); |
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} |
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if (!$style->hasSetFontStrikethrough() && $baseStyle->isFontStrikethrough()) { |
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$styleToUpdate->setFontStrikethrough(); |
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} |
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} |
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/** |
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* @param Style $styleToUpdate Style to update (passed as reference) |
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* @param Style $style |
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* @param Style $baseStyle |
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* @return void |
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*/ |
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private function mergeOtherFontProperties(Style $styleToUpdate, Style $style, Style $baseStyle) |
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{ |
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if (!$style->hasSetFontSize() && $baseStyle->getFontSize() !== Style::DEFAULT_FONT_SIZE) { |
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$styleToUpdate->setFontSize($baseStyle->getFontSize()); |
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} |
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if (!$style->hasSetFontColor() && $baseStyle->getFontColor() !== Style::DEFAULT_FONT_COLOR) { |
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$styleToUpdate->setFontColor($baseStyle->getFontColor()); |
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} |
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if (!$style->hasSetFontName() && $baseStyle->getFontName() !== Style::DEFAULT_FONT_NAME) { |
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$styleToUpdate->setFontName($baseStyle->getFontName()); |
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} |
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} |
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/** |
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* @param Style $styleToUpdate Style to update (passed as reference) |
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* @param Style $style |
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* @param Style $baseStyle |
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* @return void |
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*/ |
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private function mergeCellProperties(Style $styleToUpdate, Style $style, Style $baseStyle) |
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{ |
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if (!$style->hasSetWrapText() && $baseStyle->shouldWrapText()) { |
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$styleToUpdate->setShouldWrapText(); |
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} |
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if (!$style->getBorder() && $baseStyle->shouldApplyBorder()) { |
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$styleToUpdate->setBorder($baseStyle->getBorder()); |
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} |
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if (!$style->shouldApplyBackgroundColor() && $baseStyle->shouldApplyBackgroundColor()) { |
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$styleToUpdate->setBackgroundColor($baseStyle->getBackgroundColor()); |
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} |
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} |
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} |
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box /
spout
