102 lines
3.8 KiB
PHP
102 lines
3.8 KiB
PHP
<?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->hasSetCellAlignment() && $baseStyle->shouldApplyCellAlignment()) {
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$styleToUpdate->setCellAlignment($baseStyle->getCellAlignment());
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}
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if ($style->getBorder() === null && $baseStyle->shouldApplyBorder()) {
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$styleToUpdate->setBorder($baseStyle->getBorder());
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}
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if ($style->getFormat() === null && $baseStyle->shouldApplyFormat()) {
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$styleToUpdate->setFormat($baseStyle->getFormat());
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}
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if (!$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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