sprain /
php-swiss-qr-bill
| Total Complexity | 42 |
| Total Lines | 284 |
| Duplicated Lines | 0 % |
| Changes | 4 | ||
| Bugs | 1 | Features | 0 |
Complex classes like FpdfOutput often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use FpdfOutput, and based on these observations, apply Extract Interface, too.
| 1 | <?php declare(strict_types=1); |
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| 18 | final class FpdfOutput extends AbstractOutput implements OutputInterface |
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| 19 | { |
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| 20 | // FPDF |
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| 21 | private const BORDER = 0; |
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| 22 | private const ALIGN_LEFT = 'L'; |
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| 23 | private const ALIGN_RIGHT = 'R'; |
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| 24 | private const ALIGN_CENTER = 'C'; |
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| 25 | |||
| 26 | // Location |
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| 27 | private const CURRENCY_AMOUNT_Y = 259.3; |
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| 28 | private const AMOUNT_LINE_SPACING = 1.2; |
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| 29 | private const AMOUNT_LINE_SPACING_RCPT = 0.6; |
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| 30 | private const LEFT_PART_X = 4; |
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| 31 | private const RIGHT_PART_X = 66; |
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| 32 | private const RIGHT_PART_X_INFO = 117; |
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| 33 | private const TITLE_Y = 195.2; |
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| 34 | |||
| 35 | // Font size |
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| 36 | private const FONT_SIZE_MAIN_TITLE = 11; |
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| 37 | private const FONT_SIZE_TITLE_RECEIPT = 6; |
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| 38 | private const FONT_SIZE_RECEIPT = 8; |
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| 39 | private const FONT_SIZE_TITLE_PAYMENT_PART = 8; |
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| 40 | private const FONT_SIZE_PAYMENT_PART = 10; |
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| 41 | private const FONT_SIZE_FURTHER_INFORMATION = 7; |
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| 42 | |||
| 43 | // Line spacing |
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| 44 | private const LINE_SPACING_RECEIPT = 3.4; |
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| 45 | private const LINE_SPACING_PAYMENT_PART = 4.8; |
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| 46 | private float $amountLS = 0; |
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| 47 | |||
| 48 | private Fpdf $fpdf; |
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| 49 | private float $offsetX; |
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| 50 | private float $offsetY; |
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| 51 | private string $font; |
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| 52 | |||
| 53 | public function __construct( |
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| 54 | QrBill $qrBill, |
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| 55 | string $language, |
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| 56 | Fpdf $fpdf, |
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| 57 | float $offsetX = 0, |
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| 58 | float $offsetY = 0, |
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| 59 | string $font = 'Helvetica' |
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| 60 | ) |
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| 61 | { |
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| 62 | parent::__construct($qrBill, $language); |
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| 63 | $this->fpdf = $fpdf; |
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| 64 | $this->offsetX = $offsetX; |
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| 65 | $this->offsetY = $offsetY; |
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| 66 | $this->font = $font; |
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| 67 | $this->setQrCodeImageFormat(QrCode::FILE_FORMAT_PNG); |
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| 68 | } |
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| 69 | |||
| 70 | public function getPaymentPart() |
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| 71 | { |
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| 72 | $this->fpdf->SetAutoPageBreak(false); |
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| 73 | |||
| 74 | $this->addSeparatorContentIfNotPrintable(); |
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| 75 | |||
| 76 | $this->addInformationContentReceipt(); |
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| 77 | $this->addCurrencyContentReceipt(); |
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| 78 | $this->addAmountContentReceipt(); |
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| 79 | |||
| 80 | $this->addSwissQrCodeImage(); |
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| 81 | $this->addInformationContent(); |
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| 82 | $this->addCurrencyContent(); |
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| 83 | $this->addAmountContent(); |
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| 84 | $this->addFurtherInformationContent(); |
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| 85 | } |
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| 86 | |||
| 87 | public function setQrCodeImageFormat(string $fileExtension): AbstractOutput |
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| 88 | { |
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| 89 | if ($fileExtension === 'svg') { |
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| 90 | throw new InvalidFpdfImageFormat('SVG images are not allowed by FPDF.'); |
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| 91 | } |
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| 92 | |||
| 93 | $this->qrCodeImageFormat = $fileExtension; |
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| 94 | |||
| 95 | return $this; |
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| 96 | } |
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| 97 | |||
| 98 | private function addSwissQrCodeImage(): void |
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| 99 | { |
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| 100 | $qrCode = $this->getQrCode(); |
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| 101 | $qrCode->setWriterByExtension( |
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| 102 | $this->getQrCodeImageFormat() |
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| 103 | ); |
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| 104 | |||
| 105 | $yPosQrCode = 209.5 + $this->offsetY; |
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| 106 | $xPosQrCode = 67 + $this->offsetX; |
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| 107 | |||
| 108 | $this->fpdf->Image($qrCode->writeDataUri(), $xPosQrCode, $yPosQrCode, 46, 46, 'png'); |
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| 109 | } |
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| 110 | |||
| 111 | private function addInformationContentReceipt(): void |
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| 112 | { |
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| 113 | // Title |
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| 114 | $this->fpdf->SetFont($this->font, 'B', self::FONT_SIZE_MAIN_TITLE); |
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| 115 | $this->SetXY(self::LEFT_PART_X, self::TITLE_Y); |
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| 116 | $this->fpdf->MultiCell(0, 7, utf8_decode(Translation::get('receipt', $this->language))); |
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|
Bug
introduced
by
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| 117 | |||
| 118 | // Elements |
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| 119 | $this->SetY(204); |
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| 120 | foreach ($this->getInformationElementsOfReceipt() as $receiptInformationElement) { |
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| 121 | $this->SetX(self::LEFT_PART_X); |
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| 122 | $this->setContentElement($receiptInformationElement, true); |
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| 123 | } |
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| 124 | |||
| 125 | // Acceptance section |
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| 126 | $this->fpdf->SetFont($this->font, 'B', self::FONT_SIZE_TITLE_RECEIPT); |
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| 127 | $this->SetXY(self::LEFT_PART_X, 274.3); |
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| 128 | $this->fpdf->Cell(54, 0, utf8_decode(Translation::get('acceptancePoint', $this->language)), self::BORDER, '', self::ALIGN_RIGHT); |
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| 129 | } |
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| 130 | |||
| 131 | private function addInformationContent(): void |
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| 132 | { |
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| 133 | // Title |
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| 134 | $this->fpdf->SetFont($this->font, 'B', self::FONT_SIZE_MAIN_TITLE); |
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| 135 | $this->SetXY(self::RIGHT_PART_X, 195.2); |
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| 136 | $this->fpdf->MultiCell(48, 7, utf8_decode(Translation::get('paymentPart', $this->language))); |
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| 137 | |||
| 138 | // Elements |
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| 139 | $this->SetY(197.3); |
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| 140 | foreach ($this->getInformationElements() as $informationElement) { |
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| 141 | $this->SetX(self::RIGHT_PART_X_INFO); |
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| 142 | $this->setContentElement($informationElement, false); |
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| 143 | } |
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| 144 | } |
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| 145 | |||
| 146 | private function addCurrencyContentReceipt(): void |
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| 147 | { |
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| 148 | $this->SetY(self::CURRENCY_AMOUNT_Y); |
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| 149 | foreach ($this->getCurrencyElements() as $receiptCurrencyElement) { |
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| 150 | $this->amountLS = self::AMOUNT_LINE_SPACING_RCPT; |
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| 151 | $this->SetX(self::LEFT_PART_X); |
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| 152 | $this->setContentElement($receiptCurrencyElement, true); |
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| 153 | $this->amountLS = 0; |
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| 154 | } |
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| 155 | } |
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| 156 | |||
| 157 | private function addAmountContentReceipt(): void |
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| 158 | { |
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| 159 | $this->SetY(self::CURRENCY_AMOUNT_Y); |
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| 160 | foreach ($this->getAmountElementsReceipt() as $receiptAmountElement) { |
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| 161 | $this->amountLS = self::AMOUNT_LINE_SPACING_RCPT; |
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| 162 | $this->SetX(16); |
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| 163 | $this->setContentElement($receiptAmountElement, true); |
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| 164 | $this->amountLS = 0; |
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| 165 | } |
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| 166 | } |
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| 167 | |||
| 168 | private function addCurrencyContent(): void |
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| 169 | { |
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| 170 | $this->SetY(self::CURRENCY_AMOUNT_Y); |
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| 171 | foreach ($this->getCurrencyElements() as $currencyElement) { |
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| 172 | $this->amountLS = self::AMOUNT_LINE_SPACING; |
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| 173 | $this->SetX(self::RIGHT_PART_X); |
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| 174 | $this->setContentElement($currencyElement, false); |
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| 175 | $this->amountLS = 0; |
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| 176 | } |
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| 177 | } |
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| 178 | |||
| 179 | private function addAmountContent(): void |
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| 180 | { |
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| 181 | $this->SetY(self::CURRENCY_AMOUNT_Y); |
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| 182 | foreach ($this->getAmountElements() as $amountElement) { |
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| 183 | $this->amountLS = self::AMOUNT_LINE_SPACING; |
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| 184 | $this->SetX(80); |
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| 185 | $this->setContentElement($amountElement, false); |
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| 186 | $this->amountLS = 0; |
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| 187 | } |
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| 188 | } |
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| 189 | |||
| 190 | private function addFurtherInformationContent(): void |
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| 191 | { |
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| 192 | $this->SetXY(self::RIGHT_PART_X, 286); |
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| 193 | $this->fpdf->SetFont($this->font, '', self::FONT_SIZE_FURTHER_INFORMATION); |
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| 194 | |||
| 195 | foreach ($this->getFurtherInformationElements() as $furtherInformationElement) { |
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| 196 | $this->SetX(self::RIGHT_PART_X); |
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| 197 | $this->setContentElement($furtherInformationElement, true); |
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| 198 | } |
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| 199 | } |
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| 200 | |||
| 201 | private function addSeparatorContentIfNotPrintable(): void |
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| 202 | { |
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| 203 | if (!$this->isPrintable()) { |
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| 204 | $this->fpdf->SetLineWidth(0.1); |
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| 205 | $this->fpdf->Line(2 + $this->offsetX, 193 + $this->offsetY, 208 + $this->offsetX, 193 + $this->offsetY); |
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| 206 | $this->fpdf->Line(62 + $this->offsetX, 193 + $this->offsetY, 62 + $this->offsetX, 296 + $this->offsetY); |
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| 207 | $this->fpdf->SetFont($this->font, '', self::FONT_SIZE_FURTHER_INFORMATION); |
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| 208 | $this->SetY(189.6); |
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| 209 | $this->fpdf->MultiCell(0, 0, utf8_decode(Translation::get('separate', $this->language)), self::BORDER, self::ALIGN_CENTER); |
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| 210 | } |
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| 211 | } |
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| 212 | |||
| 213 | private function setContentElement(OutputElementInterface $element, bool $isReceiptPart): void |
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| 214 | { |
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| 215 | if ($element instanceof Title) { |
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| 216 | $this->setTitleElement($element, $isReceiptPart); |
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| 217 | } |
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| 218 | |||
| 219 | if ($element instanceof Text) { |
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| 220 | $this->setTextElement($element, $isReceiptPart); |
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| 221 | } |
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| 222 | |||
| 223 | if ($element instanceof Placeholder) { |
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| 224 | $this->setPlaceholderElement($element); |
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| 225 | } |
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| 226 | } |
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| 227 | |||
| 228 | private function setTitleElement(Title $element, bool $isReceiptPart): void |
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| 229 | { |
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| 230 | $this->fpdf->SetFont($this->font, 'B', $isReceiptPart ? self::FONT_SIZE_TITLE_RECEIPT : self::FONT_SIZE_TITLE_PAYMENT_PART); |
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| 231 | $this->fpdf->MultiCell(0, 2.8, utf8_decode( |
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| 232 | Translation::get(str_replace("text.", "", $element->getTitle()), $this->language) |
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| 233 | )); |
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| 234 | $this->fpdf->Ln($this->amountLS); |
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| 235 | } |
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| 236 | |||
| 237 | private function setTextElement(Text $element, bool $isReceiptPart): void |
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| 248 | } |
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| 249 | |||
| 250 | private function setPlaceholderElement(Placeholder $element): void |
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| 251 | { |
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| 252 | $type = $element->getType(); |
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| 253 | |||
| 254 | switch ($type) { |
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| 255 | case Placeholder::PLACEHOLDER_TYPE_AMOUNT['type']: |
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| 256 | $y = $this->fpdf->GetY() + 1; |
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| 257 | $x = $this->fpdf->GetX() - 2; |
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| 258 | break; |
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| 259 | case Placeholder::PLACEHOLDER_TYPE_AMOUNT_RECEIPT['type']: |
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| 260 | $y = $this->fpdf->GetY() - 2; |
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| 261 | $x = $this->fpdf->GetX() + 11; |
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| 262 | break; |
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| 263 | case Placeholder::PLACEHOLDER_TYPE_PAYABLE_BY['type']: |
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| 264 | case Placeholder::PLACEHOLDER_TYPE_PAYABLE_BY_RECEIPT['type']: |
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| 265 | default: |
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| 266 | $y = $this->fpdf->GetY() + 1; |
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| 267 | $x = $this->fpdf->GetX() + 1; |
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| 268 | } |
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| 269 | |||
| 270 | $this->fpdf->Image( |
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| 271 | $element->getFile(Placeholder::FILE_TYPE_PNG), |
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| 272 | $x, |
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| 273 | $y, |
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| 274 | $element->getWidth(), |
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| 275 | $element->getHeight() |
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| 276 | ); |
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| 277 | } |
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| 278 | |||
| 279 | private function setX(float $x): void |
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| 280 | { |
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| 281 | $this->fpdf->SetX($x + $this->offsetX); |
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| 282 | } |
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| 283 | |||
| 284 | private function setY(float $y): void |
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| 285 | { |
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| 286 | $this->fpdf->SetY($y + $this->offsetY); |
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| 287 | } |
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| 288 | |||
| 289 | private function SetXY(float $x, float $y): void |
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| 290 | { |
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| 291 | $this->fpdf->SetXY($x + $this->offsetX, $y + $this->offsetY); |
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| 292 | } |
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| 293 | |||
| 294 | public function getFont(): string |
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| 295 | { |
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| 296 | return $this->font; |
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| 297 | } |
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| 298 | |||
| 299 | public function setFont(string $font): void |
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| 302 | } |
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| 303 | } |
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| 304 |
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