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index.php
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<?php
header('Content-Type: text/html; charset=utf-8');
?>
<!DOCTYPE html>
<html>
<head>
<title>B-Editor</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta name="author" content="Bilinguator.com">
<link rel="shortcut icon" href="img/icon.png" />
<link rel="stylesheet" type="text/css" href="css/style.css" />
<script defer src="scripts/jquery-3.6.0.min.js"></script>
<script type="text/javascript" src="print-bilingual-pdf/scripts/print_bilingual_pdf.js"></script>
<link rel="preconnect" href="https://fonts.googleapis.com">
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
<link href="https://fonts.googleapis.com/css2?family=Open+Sans&display=swap" rel="stylesheet"></link>
</head>
<body>
<form action="" method="get">
<header>
<div class="book-file-address-container">
<label class="book-file-address-label" for="book1-file-address">
Book 1
</label>
<input type="file" class="book-file-address book1-file-address" id="book1-file-address" name="book1">
</div>
<div class="logo">
<a href=".">
<img class="logo-img" src="img/logo.png" alt="B-Editor" />
</a>
</div>
<div class="book-file-address-container">
<label class="book-file-address-label" for="book2-file-address">
Book 2
</label>
<input type="file" class="book-file-address book2-file-address" id="book2-file-address" name="book2">
</div>
<div>
<button class="panel-button" type="submit" title="Launch">
<img class="panel-button-img" src="img/play.png" />
</button>
</div>
</form>
</header>
<div class="main-area">
<?php
// Check plugins
// print-bilingual-pdf
$printBilingualPDFExists = true;
$pathsCheck = ['print-bilingual-pdf/scripts/print_bilingual_pdf.js',
'print-bilingual-pdf/scripts/create_element.js',
'print-bilingual-pdf/scripts/runnings.js',
'print-bilingual-pdf/css/printed_book.css'];
foreach ($pathsCheck as $path) {
$printBilingualPDFExists = file_exists($path);
if (!$printBilingualPDFExists) {
break;
}
}
$printBilingualColsExists = file_exists('print-bilingual-pdf/scripts/print_bilingual_pdf_cols.js');
$printBilingualRowsExists = file_exists('print-bilingual-pdf/scripts/print_bilingual_pdf_rows.js');
// bilingual-formats
$bilingualFormatsExists = is_dir('bilingual-formats');
$saveBilingualTxtExists = file_exists('bilingual-formats/scripts/save_bilingual_txt.php');
$saveBilingualFb2Exists = file_exists('bilingual-formats/scripts/save_bilingual_fb2.php');
$saveBilingualEpubExists = file_exists('bilingual-formats/scripts/save_bilingual_epub.php');
if (@$_GET['book1'] == "" and @$_GET['book2'] != "")
echo "<p>Book 1 is not selected.</p>";
if (@$_GET['book1'] != "" and @$_GET['book2'] == "")
echo "<p>Book 2 is not selected.</p>";
if (@$_GET['book1'] == "" and @$_GET['book2'] == "")
echo "<p>Books are not selected.</p>";
if (@$_GET['book1'] == @$_GET['book2'] and @$_GET['book1'] != "" and @$_GET['book2'] != "")
echo "<p>The same book is selected twice!</p>";
// Beginning of the big condition "if both books are selected"
if (@$_GET['book1'] != '' and @$_GET['book2'] != '' and @$_GET['book1'] != @$_GET['book2']):
$bookPath1 = 'books/' . iconv('UTF-8', 'cp1251', stripslashes($_GET['book1']));
$bookPath2 = 'books/' . iconv('UTF-8', 'cp1251', stripslashes($_GET['book2']));
$bookContent1 = file_get_contents($bookPath1);
$bookContent2 = file_get_contents($bookPath2);
$book1 = preg_split("/[\r]*[\n]+/", $bookContent1);
$book2 = preg_split("/[\r]*[\n]+/", $bookContent2);
$arr1 = Array();
$a = -1;
for ($i = 0; $i < count($book1); $i++) {
if (strlen(trim($book1[$i])) != 0) {
$a++;
$arr1[$a] = $book1[$i];
}
}
$arr2 = Array();
$a = -1;
for ($i = 0; $i < count($book2); $i++) {
if (strlen(trim($book2[$i])) != 0) {
$a++;
$arr2[$a] = $book2[$i];
}
}
// Counting the longest book
if (count($arr1) > count($arr2)) {
$longestBookLength = count($arr1);
} else {
$longestBookLength = count($arr2);
}
// Getting languages
$lang1 = explode('.', $_GET['book1'])[0];
$lang1 = explode(' ', $lang1)[0];
$lang1 = explode('_', $lang1);
$lang1 = end($lang1);
$lang2 = explode('.', $_GET['book2'])[0];
$lang2 = explode(' ', $lang2)[0];
$lang2 = explode('_', $lang2);
$lang2 = end($lang2);
// Getting the bookmark number
$book1Name = explode('.', @$_GET['book1'])[0];
$book1Name = explode(' ', $book1Name)[0];
$book1Extension = explode('.', $bookPath1);
$book1Extension = end($book1Extension);
$bookmarkFileAddress = "books/bookmarks/bookmark_{$book1Name}_{$lang2}.{$book1Extension}";
$bookmark = '0';
if (file_exists($bookmarkFileAddress)) {
$bookmarkFileContents = file_get_contents($bookmarkFileAddress);
if (is_numeric($bookmarkFileContents)) {
$bookmark = file_get_contents($bookmarkFileAddress);
}
}
$br = '
';
// Beginning of the loop displaying couples of paragraphs
for ($i = 0; $i < $longestBookLength; $i++):
$bookmarkClass = ($bookmark == $i) ? ' paragraph-number-bookmark' : '';
?>
<div class="paragraph-couple">
<div class="left">
<div class="paragraph-panel panel-left">
<p class="paragraph-number paragraph-number-left<?=$bookmarkClass?>" onclick="setParagraphIndex(this.innerText, 'left')"><?=$i?></p>
<div class="addDelete">
<img class="paragraph-button add-paragraph-button" src="img/add.png" onclick="addNewParagraph(this)" />
<img class="paragraph-button delete-paragraph-button" src="img/delete.png" onclick="deleteParagraph(this)" />
</div>
</div>
<textarea lang="<?=$lang1?>" class="paragraph paragraph-left" contenteditable="true"><?=@$arr1[$i]?></textarea>
</div>
<div class="right">
<textarea lang="<?=$lang2?>" class="paragraph paragraph-right" contenteditable="true"><?=@$arr2[$i]?></textarea>
<div class="paragraph-panel paragraph-panel-right">
<p class="paragraph-number paragraph-number-right<?=$bookmarkClass?>" onclick="setParagraphIndex(this.innerText, 'right')"><?=$i?></p>
<div class="addDelete">
<img class="paragraph-button add-paragraph-button" src="img/add.png" onclick="addNewParagraph(this)" />
<img class="paragraph-button delete-paragraph-button" src="img/delete.png" onclick="deleteParagraph(this)" />
</div>
</div>
</div>
</div>
<?php
endfor;
endif;
?>
</div>
<footer class="footer">
<div class="file-panel panel">
<div class="save-panel panel subpanel">
<button class="panel-button save-sources-panel-button save-not-needed" name="save" title="Save source files<?=$br?>(Ctrl+S)">
<img class="panel-button-img" src="img/save.png" />
</button>
<?php
if ($printBilingualPDFExists || $bilingualFormatsExists):
?>
<button class="panel-button save-all-formats-panel-button" title="Save in all formats">
<img class="panel-button-img" src="img/save_all_formats.png" />
</button>
<?php
endif;
if ($bilingualFormatsExists):
if ($saveBilingualTxtExists) :
?>
<button class="panel-button save-txt-panel-button" title="Save txt">
<img class="panel-button-img" src="img/save_txt.png" />
</button>
<?php
endif;
if ($saveBilingualFb2Exists) :
?>
<button class="panel-button save-fb2-panel-button" title="Save fb2">
<img class="panel-button-img" src="img/save_fb2.png" />
</button>
<?php
endif;
if ($saveBilingualEpubExists) :
?>
<button class="panel-button save-epub-panel-button" title="Save epub">
<img class="panel-button-img" src="img/save_epub.png" />
</button>
<?php
endif;
endif;
?>
</div>
<?php
if ($printBilingualPDFExists):
?>
<div class="print-book-panel panel subpanel">
<?php
if ($printBilingualColsExists):
?>
<button class="panel-button cols-panel-button" title="Print columns PDF<?=$br?>(Ctrl+P)">
<img class="panel-button-img" src="img/cols.png" />
</button>
<?php
endif;
if ($printBilingualRowsExists):
?>
<button class="panel-button rows-panel-button" title="Print rows PDF<?=$br?>(Ctrl+Shift+P)">
<img class="panel-button-img" src="img/rows.png" />
</button>
<?php
endif;
?>
</div>
<?php
endif;
?>
</div>
<div class="edition-panel panel">
<div class="insertions-edition-panel subpanel">
<button class="panel-button insertions-panel-button heading-panel-button" title="Title<?=$br?>(Ctrl+H)">
<img class="panel-button-img" src="img/h.png" />
</button>
<button class="panel-button insertions-panel-button bold-panel-button" title="Bold<?=$br?>(Ctrl+B)">
<img class="panel-button-img" src="img/b.png" />
</button>
<button class="panel-button insertions-panel-button italic-panel-button" title="Italic<?=$br?>(Ctrl+I)">
<img class="panel-button-img" src="img/i.png" />
</button>
<button class="panel-button insertions-panel-button delimiter-panel-button" title="Add delimiter<?=$br?>(Ctrl+,)">
<img class="panel-button-img" src="img/delimiter.png" />
</button>
<button class="panel-button insertions-panel-button case-panel-button" title="Switch case">
<img class="panel-button-img" src="img/case.png" />
</button>
<button class="panel-button insertions-panel-button paste-img-panel-button" title="Add illustration<?=$br?>(Ctrl+L)">
<img class="panel-button-img" src="img/img.png" />
</button>
</div>
</div>
<div class="manipulations-panel panel">
<div class="division-concatenation-edition-panel subpanel">
<button class="panel-button division-panel-button" title="Divide paragraph<?=$br?>(Ctrl+D)" onmousedown="divideParagraph()">
<img class="panel-button-img" src="img/division.png" />
</button>
<button class="panel-button division-panel-button" title="Divide paragraph by newline<?=$br?>(Ctrl+Shift+D)" onmousedown="divideParagraphBySubstring('\n')">
<img class="panel-button-img" src="img/division_by_newline.png" />
</button>
<button class="panel-button concatenation-panel-button" title="Concatenate paragraphs<?=$br?>(Ctrl+M)" onmousedown="concatenateParagraphs('')">
<img class="panel-button-img" src="img/concatenation.png" />
</button>
<button class="panel-button concatenation-panel-button" title="Concatenate paragraphs via space<?=$br?>(Ctrl+U)" onmousedown="concatenateParagraphs(' ')">
<img class="panel-button-img" src="img/concatenation_space.png" />
</button>
<button class="panel-button concatenation-panel-button" title="Concatenate paragraphs via delimiter<?=$br?>(Ctrl+Y)" onmousedown="concatenateParagraphs('<delimiter>')">
<img class="panel-button-img" src="img/concatenation_delimiter.png" />
</button>
</div>
<div class="shift-area subpanel">
<div class="paragraph-indexes-container">
<input type="text" class="paragraph-index" rows="1" size="2" placeholder="№" value="<?=@$bookmark?>" />
<hr />
<input type="text" class="paragraph-index" rows="1" size="2" placeholder="№"/>
</div>
<button class="panel-button shift-panel-button" title="Shift">
<img class="panel-button-img" src="img/shift.png" />
</button>
<button class="panel-button delete-by-index-panel-button" title="Delete">
<img class="panel-button-img" src="img/delete_by_index.png" />
</button>
</div>
<div class="score-panel panel subpanel">
<button class="panel-button aim-button" onclick="focusOnParagraph()" title="To current position<?=$br?>(Ctrl+O)">
<img class="panel-button-img" src="img/focus.png" />
</button>
<button class="panel-button bookmark-panel-button" title="Set bookmark<?=$br?>(Ctrl+B)">
<img class="panel-button-img" src="img/bookmark.png" />
</button>
<div class="stats">
<div class="bookmark-score-container subpanel">
<p class="bookmark-number">
<?=@$bookmark?>
</p>
<p class="slash">
/
</p>
<p class="paragraphs-count">
-
</p>
</div>
</div>
<div class="scroll-panel subpanel">
<p class="percents">
0%
</p>
<div class="scroll-score"></div>
</div>
</div>
</div>
</footer>
<script type="text/javascript">
const book1FileAddress = document.querySelector('.book1-file-address');
const book2FileAddress = document.querySelector('.book2-file-address');
[book1FileAddress, book2FileAddress].forEach((item) => {
item.addEventListener('change', () => {
sessionStorage.setItem(item.classList.item(1), 'books/' + item.files[0].name);
})
});
const bookID = getBookID();
const lang1 = getBookLang(1);
const lang2 = getBookLang(2);
const illustrationsDir = 'books/illustrations';
const coverPath = `books/covers/${lang1}.png`
const saveDir = 'books/saved'
const fileNameBase = `${bookID}_${lang1}_${lang2}`;
const outputBase = `${saveDir}/${fileNameBase}`
// Get original array
function getParagraphsArray (side = 'left') {
let paragraphs = document.querySelectorAll('.paragraph-' + side);
let paragraphsArray = Array();
for (let i = 0; i < paragraphs.length; i++) {
paragraphsArray[i] = paragraphs[i].value;
}
return paragraphsArray;
}
// Get text, left or right
function getText (side = 'left') {
return getParagraphsArray(side).join('\n');
}
// Adjusting textarea height
function fixTextArea () {
let textareaNeeded = document.querySelectorAll('.paragraph');
function fixTextareaSize(textarea) {
textarea.style.height = '0px';
textarea.style.height = textarea.scrollHeight + 2 + 'px';
}
~function () {
for (let i = 0; i < textareaNeeded.length; i++) {
textareaNeeded[i].addEventListener('input', function (e) {
fixTextareaSize(e.target)
});
fixTextareaSize(textareaNeeded[i]);
}
}()
}
fixTextArea();
// Adjusting height of adjacent textareas
function alignSiblingTextareas (index = 'all') {
if (index === 'all') {
let paragraphCouplesNumber = document.querySelectorAll('.paragraph-couple').length;
for (let i = 0; i < paragraphCouplesNumber; i++) {
alignSiblingTextareas(i);
}
} else {
let textareaLeft = document.querySelectorAll('.paragraph-left')[index];
let textareaRight = document.querySelectorAll('.paragraph-right')[index];
let textareaLeftHeight = textareaLeft.offsetHeight;
let textareaRightHeight = textareaRight.offsetHeight;
if (textareaLeftHeight > textareaRightHeight) {
textareaRight.style.height = textareaLeft.offsetHeight + 'px';
} else {
textareaLeft.style.height = textareaRight.offsetHeight + 'px';
}
}
}
alignSiblingTextareas();
document.querySelectorAll('.paragraph').forEach((paragraph) => {
paragraph.addEventListener('input', () => {
let paragraphIndex = getParagraphIndex(paragraph);
alignSiblingTextareas(paragraphIndex);
document.querySelectorAll('.panel-button').forEach((button) => {
button.classList.remove('save-not-needed');
});
});
});
// Add padding below .main-area
function addMainAreaPaddingBottom () {
document.querySelector('.main-area').style.paddingBottom = document.querySelector('.footer').offsetHeight + 20 + 'px';
}
addMainAreaPaddingBottom();
window.addEventListener('resize', () => {
fixTextArea();
alignSiblingTextareas();
addMainAreaPaddingBottom();
});
// Focus on a given paragraph
function focusOnParagraph () {
let targetParagraphNumber = document.querySelectorAll('.paragraph-index')[0].value;
let targetParagraph = document.querySelectorAll('.paragraph-left')[targetParagraphNumber];
if (targetParagraph) {
targetParagraph.scrollIntoView();
}
}
// Set bookmark
function setBookmark () {
let targetParagraphNumber = document.querySelectorAll('.paragraph-index')[0].value;
if (Number.isInteger(Number(targetParagraphNumber))) {
let bookmarkNumber = document.querySelector('.bookmark-number');
bookmarkNumber.innerHTML = targetParagraphNumber;
$.ajax({
url: "save_bookmark.php",
type: "POST",
data: ({bookmark_number: targetParagraphNumber,
file_name_base: fileNameBase,
file1_extension: getBookExtension(1)}),
dataType: "html"
});
document.querySelectorAll('.paragraph-number').forEach((item) => {
item.classList.remove('paragraph-number-bookmark');
});
let targetLeftNumber = document.querySelectorAll('.paragraph-number-left')[targetParagraphNumber];
let targetRightNumber = document.querySelectorAll('.paragraph-number-right')[targetParagraphNumber];
[targetLeftNumber, targetRightNumber].forEach((item) => {
item.classList.add('paragraph-number-bookmark');
});
}
}
function saveAllFormats () {
saveSources();
saveTxt();
saveFb2();
saveEpub();
printCols();
printRows();
document.querySelector('.save-all-formats-panel-button').classList.add('save-not-needed');
document.querySelector('.save-txt-panel-button').classList.add('save-not-needed');
document.querySelector('.save-fb2-panel-button').classList.add('save-not-needed');
document.querySelector('.save-epub-panel-button').classList.add('save-not-needed');
}
document.querySelector('.save-all-formats-panel-button').addEventListener('click', () => {
saveAllFormats();
});
document.querySelector('.bookmark-panel-button').addEventListener('click', () => {
setBookmark();
});
function setParagraphIndex (paragraphIndex, side = 'left') {
if (side === 'left') {
document.querySelectorAll('.paragraph-index')[0].value = paragraphIndex;
}
if (side === 'right') {
document.querySelectorAll('.paragraph-index')[1].value = paragraphIndex;
}
}
// Focus on bookmark
function focusBookmark () {
let bookmarkNumber = Number(document.querySelector('.bookmark-number').innerHTML);
let targetParagraphCouple = document.querySelectorAll('.paragraph-couple')[bookmarkNumber];
targetParagraphCouple.scrollIntoView();
}
document.querySelector('.bookmark-number').addEventListener('click', focusBookmark);
// Recalculation of paragraph numbers
function recountParagraphNumbers () {
let leftParagraphNumbers = document.querySelectorAll('.paragraph-number-left');
let rightParagraphNumbers = document.querySelectorAll('.paragraph-number-right');
for (let i = 0; i < $('.paragraph-couple').length; i++) {
leftParagraphNumbers[i].innerText = i;
rightParagraphNumbers[i].innerText = i;
}
showParagraphsCount();
}
// Get language code
function getBookLang (bookIndex = 1) {
let fileAddress = sessionStorage.getItem('book' + bookIndex + '-file-address');
let fileName = fileAddress.split('/')[1].split('.')[0];
let semanticPart = fileName.split(' ')[0];
let lang = semanticPart.split('_');
lang = lang[lang.length - 1];
return lang;
}
function getBookID (bookIndex = 1) {
let fileAddress = sessionStorage.getItem('book' + bookIndex + '-file-address');
let fileName = fileAddress.split('/')[1];
let semanticPart = fileName.split('.')[0].split(' ')[0];
let bookID = semanticPart.slice(0, semanticPart.lastIndexOf('_'));
return bookID;
}
function getBookExtension (bookIndex = 1) {
let fileAddress = sessionStorage.getItem('book' + bookIndex + '-file-address');
return fileAddress.split('.').slice(-1)[0];
}
document.querySelector('.cols-panel-button').addEventListener('click', () => {
printCols();
});
document.querySelector('.rows-panel-button').addEventListener('click', () => {
printRows();
});
function printCols () {
printBilingualPDF (getText('left'),
getText('right'),
getBookLang(1),
getBookLang(2),
'cols',
coverPath,
`${bookID}_${getBookLang(1)}`,
illustrationsDir);
}
function printRows () {
printBilingualPDF (getText('left'),
getText('right'),
getBookLang(1),
getBookLang(2),
'rows',
coverPath,
`${bookID}_${getBookLang(1)}`,
illustrationsDir);
}
// Save sources
function saveSources () {
if (document.querySelectorAll('.paragraph-couple').length === 0) {
return false;
}
let paragraphsArrayLeft = getParagraphsArray('left').join('\n');
let paragraphsArrayRight = getParagraphsArray('right').join('\n');
$.ajax({
url: "save_sources.php",
type: "POST",
data: ({address1: sessionStorage.getItem('book1-file-address'),
address2: sessionStorage.getItem('book2-file-address'),
text1: paragraphsArrayLeft,
text2: paragraphsArrayRight
}),
dataType: "html"
});
document.querySelector('.save-sources-panel-button').classList.add('save-not-needed');
}
function saveTxt () {
$.ajax({
url: "save_bilingual_formats.php",
type: "POST",
data: ({format: 'txt',
address1: sessionStorage.getItem('book1-file-address'),
address2: sessionStorage.getItem('book2-file-address'),
outputPath: `${outputBase}.txt`
}),
dataType: "html"
});
document.querySelector('.save-txt-panel-button').classList.add('save-not-needed');
}
function saveFb2 () {
$.ajax({
url: "save_bilingual_formats.php",
type: "POST",
data: ({format: 'fb2',
address1: sessionStorage.getItem('book1-file-address'),
address2: sessionStorage.getItem('book2-file-address'),
outputPath: `${outputBase}.fb2`,
coverPath: coverPath,
illustrationsDir: illustrationsDir,
lang1: lang1,
lang2: lang2,
bookID: bookID
}),
dataType: "html"
});
document.querySelector('.save-fb2-panel-button').classList.add('save-not-needed');
}
function saveEpub () {
$.ajax({
url: "save_bilingual_formats.php",
type: "POST",
data: ({format: 'epub',
address1: sessionStorage.getItem('book1-file-address'),
address2: sessionStorage.getItem('book2-file-address'),
outputPath: `${outputBase}.epub`,
coverPath: coverPath,
illustrationsDir: illustrationsDir,
lang1: lang1,
lang2: lang2,
bookID: bookID
}),
dataType: "html"
});
document.querySelector('.save-epub-panel-button').classList.add('save-not-needed');
}
document.querySelector('.save-sources-panel-button').addEventListener('click', () => {
saveSources();
});
document.querySelector('.save-txt-panel-button').addEventListener('click', () => {
saveSources();
saveTxt();
});
document.querySelector('.save-fb2-panel-button').addEventListener('click', () => {
saveSources();
saveFb2();
});
document.querySelector('.save-epub-panel-button').addEventListener('click', () => {
saveSources();
saveEpub();
});
// Displaying number of paragraphs
function showParagraphsCount () {
let paragraphsCountArea = document.querySelector('.paragraphs-count');
let paragraphsArrayLeft = getParagraphsArray('left');
let paragraphsArrayRight = getParagraphsArray('right');
let maxParagraphsCount = Math.max(paragraphsArrayLeft.length, paragraphsArrayRight.length);
if (maxParagraphsCount === 0) {
paragraphsCountArea.innerText = '-';
} else {
paragraphsCountArea.innerText = maxParagraphsCount - 1;
}
}
showParagraphsCount();
// Class for the selected paragraph
class focusedParagraph {
constructor(paragraph, start = 0, end = 0) {
this._paragraph = paragraph;
this._start = start;
this._end = end;
}
get paragraph() {
return this._paragraph;
}
get start() {
return this._start;
}
get end() {
return this._end;
}
set paragraph(value) {
this._paragraph = value;
}
set start(value) {
this._start = value;
}
set end(value) {
this._end = value;
}
}
let activeParagraph = new focusedParagraph();
// Get image number
function getImgNumber () {
let targetParagraph = document.activeElement;
let joinedText = '';
if (targetParagraph.classList.contains('paragraph-left')) {
joinedText = getParagraphsArray('left').join('');
} else if (targetParagraph.classList.contains('paragraph-right')) {
joinedText = getParagraphsArray('right').join('');
}
return joinedText.split('<img').length;
}
// Inserting text to paragraph instead of selected text
function insertTextToParagraph (text, paragraph, isInserted = true) {
if (paragraph.classList.contains('paragraph') && text !== '') {
let start = paragraph.selectionStart;
let end = isInserted ? paragraph.selectionEnd : start;
let paragraphValue = paragraph.value;
let part1 = paragraphValue.substring(0, start);
let part3 = paragraphValue.substring(end);
paragraph.value = part1 + text + part3;
activeParagraph.paragraph = paragraph;
activeParagraph.start = isInserted ? start : start + text.length;
activeParagraph.end = start + text.length;
fixTextArea();
alignSiblingTextareas();
document.querySelectorAll('.panel-button').forEach((button) => {
button.classList.remove('save-not-needed');
});
} else {
return false;
}
}
// Switch case
function switchCase (text) {
let textLowered = text.toLowerCase();
let textUppered = text.toUpperCase();
if (text === textUppered) {
return textLowered;
} else {
return textUppered;
}
}
// Get selected text
function getSelectedText () {
if (document.activeElement.classList.contains('paragraph')) {
let paragraph = document.activeElement;
let start = paragraph.selectionStart;
let end = paragraph.selectionEnd;
let paragraphContent = paragraph.value;
return paragraphContent.substring(start, end);
} else {
return false;
}
}
document.querySelector('.delimiter-panel-button').addEventListener('mousedown', () => {
insertTextToParagraph('<delimiter>', document.activeElement, false);
});
document.querySelector('.paste-img-panel-button').addEventListener('mousedown', () => {
insertTextToParagraph('<img' + getImgNumber(document.activeElement) + '>', document.activeElement, false);
});
document.querySelector('.case-panel-button').addEventListener('mousedown', () => {
insertTextToParagraph(switchCase(getSelectedText()), document.activeElement);
document.querySelectorAll('.panel-button').forEach((button) => {
button.classList.remove('save-not-needed');
});
});
// Add tags
function addTagsToParagraph (tag1, tag2, paragraph) {
if (paragraph.classList.contains('paragraph')) {
let start = paragraph.selectionStart;
let end = paragraph.selectionEnd;
if (start !== end) {
let paragraphValue = paragraph.value;
let taggedParagraphValue = paragraphValue.substring(0, start) + tag1;
taggedParagraphValue += paragraphValue.substring(start, end) + tag2;
taggedParagraphValue += paragraphValue.substring(end);
paragraph.value = taggedParagraphValue;
activeParagraph.paragraph = paragraph;
activeParagraph.start = end + tag1.length + tag2.length;
activeParagraph.end = end + tag1.length + tag2.length;
} else {
return false;
}
}
document.querySelectorAll('.panel-button').forEach((button) => {
button.classList.remove('save-not-needed');
});
}
document.querySelector('.bold-panel-button').addEventListener('mousedown', () => {
addTagsToParagraph('<b>', '</b>', document.activeElement);
});
document.querySelector('.italic-panel-button').addEventListener('mousedown', () => {
addTagsToParagraph('<i>', '</i>', document.activeElement);
});
document.querySelector('.heading-panel-button').addEventListener('mousedown', () => {
addTagsToParagraph('<h1>', '</h1>', document.activeElement);
});
// For all insertions buttons
document.querySelectorAll('.insertions-panel-button').forEach((button) => {
button.addEventListener('mouseup', () => {
activeParagraph.paragraph.focus();
activeParagraph.paragraph.setSelectionRange(activeParagraph.start, activeParagraph.end);
})
});
// Get scroll percent
function getScrollPercent() {
let doc = document.documentElement;
let body = document.body;
let top = 'scrollTop';
let height = 'scrollHeight';
return Math.ceil((doc[top]||body[top]) / ((doc[height]||body[height]) - doc.clientHeight) * 100);
}
// Display scroll percent
window.addEventListener('scroll', function() {
let scrollPercent = getScrollPercent();
document.querySelector('.percents').innerHTML = scrollPercent + '%';
document.querySelector('.scroll-score').style.background = `linear-gradient(to right, rgba(250,143,56,1) 0%, rgba(250,143,56,1) ${scrollPercent}%, rgba(255,255,255,1) ${scrollPercent}%, rgba(255,255,255,1) 100%)`;
});
// Get side of paragraph
function getParagraphSide (paragraph) {
if (paragraph.classList.contains('paragraph-left')) {
return 'left';
}
if (paragraph.classList.contains('paragraph-right')) {
return 'right';
}
return false;
}
// Get paragraph index
function getParagraphIndex (paragraph) {
let paragraphSide = getParagraphSide(paragraph);
let paragraphsArray = document.querySelectorAll('.paragraph-' + paragraphSide);
for (let i = 0; i < paragraphsArray.length; i++) {
if (paragraphsArray[i] === paragraph) {
return i;
}
}
return false;
}
// Get element index
function getElementIndex (element, selector) {
let elementsArray = document.querySelectorAll(selector);
for (let i = 0; i < elementsArray.length; i++) {
if (elementsArray[i] === element) {
return i;
}
}
return false;
}
// Find child by class
function findChildByClass (element, childClass) {
let elementChildren = element.childNodes;
let result;
elementChildren.forEach((item) => {
if (item.classList) {
if (item.classList.contains(childClass)) {
result = item;
}
}
});
return result;
}
// Add couple of empty paragraphs to the end
function appendTerminalEmptyParagraphs () {
let clonedParagraphCouple = document.querySelectorAll('.paragraph-couple')[0].cloneNode(true);
let leftParagraph = findChildByClass(findChildByClass(clonedParagraphCouple, 'left'), 'paragraph-left');
let rightParagraph = findChildByClass(findChildByClass(clonedParagraphCouple, 'right'), 'paragraph-right');
leftParagraph.value = '';
rightParagraph.value = '';
document.querySelector('.main-area').append(clonedParagraphCouple);
document.querySelector('.main-area').append(clonedParagraphCouple);
recountParagraphNumbers();
}
// Delete empty paragraphs in the end
function deleteTerminalEmptyParagraphs () {
let paragraphCouples = document.querySelectorAll('.paragraph-couple');
let leftParagraphs = document.querySelectorAll('.paragraph-left');
let rightParagraphs = document.querySelectorAll('.paragraph-right');
let index = paragraphCouples.length - 1;
while (leftParagraphs[index].value.trim() === '' && rightParagraphs[index].value.trim() === '') {
paragraphCouples[index].remove();
index--;
}
}
// Add paragraph
function addNewParagraph (addButton, deleteTerminal = true) {
appendTerminalEmptyParagraphs();
let buttonIndex = getElementIndex(addButton, '.add-paragraph-button');
let side = buttonIndex % 2 === 0 ? 'left' : 'right';
let paragraphIndex = side === 'left' ? buttonIndex / 2 : (buttonIndex - 1) / 2;
let targetParagraphsArray = document.querySelectorAll('.paragraph-' + side);
for (let i = targetParagraphsArray.length - 1; i > paragraphIndex; i--) {
targetParagraphsArray[i].value = targetParagraphsArray[i - 1].value;
}
targetParagraphsArray[paragraphIndex].value = '';
fixTextArea();
alignSiblingTextareas();
if (deleteTerminal) {
deleteTerminalEmptyParagraphs();
}
document.querySelectorAll('.panel-button').forEach((button) => {
button.classList.remove('save-not-needed');
});
}
// Delete paragraph
function deleteParagraph (deleteButton, deleteTerminal = true) {
let buttonIndex = getElementIndex(deleteButton, '.delete-paragraph-button');
let side = buttonIndex % 2 === 0 ? 'left' : 'right';
let paragraphIndex = side === 'left' ? buttonIndex / 2 : (buttonIndex - 1) / 2;
let targetParagraphsArray = document.querySelectorAll('.paragraph-' + side);
for (let i = paragraphIndex; i < targetParagraphsArray.length - 1; i++) {
targetParagraphsArray[i].value = targetParagraphsArray[i + 1].value;
}
targetParagraphsArray[targetParagraphsArray.length - 1].value = '';
fixTextArea();
alignSiblingTextareas();
if (deleteTerminal) {
deleteTerminalEmptyParagraphs();
}
showParagraphsCount();
document.querySelectorAll('.panel-button').forEach((button) => {
button.classList.remove('save-not-needed');