25개 이상의 토픽을 선택하실 수 없습니다. Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

255 lines
7.1 KiB
PHP

<?php
/*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
/**
* A single variable-width line on a receipt, with different formatting options
*/
class ReceiptLine {
const LINEFORMAT_PLAIN = 1;
const LINEFORMAT_BOLD = 2;
const LINEFORMAT_HR = 4;
const LINEFORMAT_CENTER = 8;
const LINEFORMAT_BLANK = 16;
private $left = "";
private $middle = "";
private $right = "";
private $format;
function __construct($l = "", $m = "", $r = "", $f = ReceiptLine::LINEFORMAT_PLAIN) {
$this->left = $l;
$this->middle = $m;
$this->right = $r;
$this->format = $f;
}
function getLeft() {
return $this->left;
}
function getMiddle() {
return $this->middle;
}
function getRight() {
return $this->right;
}
function hasFormat($format) {
return ($this->format & $format);
}
function getHtml() {
if ($this->hasFormat($this::LINEFORMAT_HR)) {
return "<hr />";
}
if ($this->hasFormat($this::LINEFORMAT_BLANK)) {
return "<br />";
}
$html = "";
if (!empty($this->left) || $this->left === 0 || $this->left === "0") {
$html .= '<span>' . htmlspecialchars($this->left) . '&nbsp;</span>';
}
if (!empty($this->middle) || $this->middle === 0 || $this->middle === "0") {
$html .= '<span>' . htmlspecialchars($this->middle) . '&nbsp;</span>';
}
if (!empty($this->right) || $this->right === 0 || $this->right === "0") {
$html .= '<span>' . htmlspecialchars($this->right) . '</span>';
}
$classes = ["flex"];
if ($this->hasFormat($this::LINEFORMAT_BOLD)) {
$classes[] = "bold";
}
if ($this->hasFormat($this::LINEFORMAT_CENTER)) {
$classes[] = "centered";
}
$classstr = implode(" ", $classes);
return "<div class=\"$classstr\">$html</div>";
}
function getPlainText($width) {
if ($this->hasFormat($this::LINEFORMAT_HR)) {
return str_repeat("-", $width);
}
if ($this->hasFormat($this::LINEFORMAT_BLANK)) {
return str_repeat(" ", $width);
}
$left = $this->left;
$middle = $this->middle;
$right = $this->right;
$leftln = strlen($left);
$middleln = strlen($middle);
$rightln = strlen($right);
if ($middleln > 0) {
$middleln++;
$middle = " " . $middle;
}
if ($rightln > 0) {
$rightln++;
$right = " " . $right;
}
$strln = $leftln + $middleln + $rightln;
if ($strln < $width) {
if ($this->hasFormat($this::LINEFORMAT_CENTER)) {
return str_pad($left . $middle . $right, $width, " ", STR_PAD_BOTH);
} else {
$middle = str_pad($middle, $width - $leftln - $rightln, " ", STR_PAD_BOTH);
}
} else if ($strln > $width) {
$loseln = $strln - $width;
$left = substr($this->left, 0, $leftln - $loseln);
}
return $left . $middle . $right;
}
function getArray($width = 64) {
$data = [
"left" => $this->left,
"middle" => $this->middle,
"right" => $this->right,
"text" => $this->getPlainText($width),
"format" => []
];
if ($this->hasFormat($this::LINEFORMAT_PLAIN)) {
$data['format'][] = "plain";
}
if ($this->hasFormat($this::LINEFORMAT_BOLD)) {
$data['format'][] = "bold";
}
if ($this->hasFormat($this::LINEFORMAT_HR)) {
$data['format'][] = "hr";
}
if ($this->hasFormat($this::LINEFORMAT_CENTER)) {
$data['format'][] = "center";
}
if ($this->hasFormat($this::LINEFORMAT_BLANK)) {
$data['format'][] = "blank";
}
return $data;
}
}
class Receipt {
private $lines = [];
private $header = [];
private $footer = [];
function __construct() {
}
function appendLine(ReceiptLine $line) {
$this->lines[] = $line;
}
function appendLines($lines) {
foreach ($lines as $l) {
$this->lines[] = $l;
}
}
function appendHeader(ReceiptLine $line) {
$this->header[] = $line;
}
function appendFooter(ReceiptLine $line) {
$this->footer[] = $line;
}
function appendBreak() {
$this->lines[] = new ReceiptLine("", "", "", ReceiptLine::LINEFORMAT_HR);
}
function appendBlank() {
$this->lines[] = new ReceiptLine("", "", "", ReceiptLine::LINEFORMAT_BLANK);
}
function getHtml($title = "") {
global $SECURE_NONCE;
$html = <<<END
<!DOCTYPE html>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>$title</title>
<style nonce="$SECURE_NONCE">
.flex {
display: flex;
justify-content: space-between;
margin: 0;
}
.bold {
font-weight: bold;
}
.centered {
justify-content: center;
}
</style>
END;
if (count($this->header) > 0) {
foreach ($this->header as $line) {
$html .= $line->getHtml() . "\n";
}
$html .= (new ReceiptLine("", "", "", ReceiptLine::LINEFORMAT_HR))->getHtml();
}
foreach ($this->lines as $line) {
$html .= $line->getHtml() . "\n";
}
if (count($this->footer) > 0) {
$html .= (new ReceiptLine("", "", "", ReceiptLine::LINEFORMAT_HR))->getHtml();
foreach ($this->footer as $line) {
$html .= $line->getHtml() . "\n";
}
}
return $html;
}
function getPlainText($width) {
$lines = [];
if (count($this->header) > 0) {
foreach ($this->header as $line) {
$lines[] = $line->getPlainText($width);
}
$lines[] = (new ReceiptLine("", "", "", ReceiptLine::LINEFORMAT_HR))->getPlainText($width);
}
foreach ($this->lines as $line) {
$lines[] = $line->getPlainText($width);
}
if (count($this->footer) > 0) {
$lines[] = (new ReceiptLine("", "", "", ReceiptLine::LINEFORMAT_HR))->getPlainText($width);
foreach ($this->footer as $line) {
$lines[] = $line->getPlainText($width);
}
}
return implode("\n", $lines);
}
function getArray($width = 64) {
$header = [];
$lines = [];
$footer = [];
foreach ($this->header as $line) {
$header[] = $line->getArray($width);
}
foreach ($this->lines as $line) {
$lines[] = $line->getArray($width);
}
foreach ($this->footer as $line) {
$footer[] = $line->getArray($width);
}
return ["header" => $header, "lines" => $lines, "footer" => $footer];
}
function getJson($width = 64) {
return json_encode($this->getArray($width));
}
}