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// Copyright (C) 2023 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#include "widget.h"
#include "./ui_widget.h"
#include <QBuffer>
#include <QShortcut>
#include <QTextBlock>
#include <QTextDocumentWriter>
#include <QTextList>
using namespace Qt::StringLiterals;
Widget::Widget(QWidget *parent)
: QWidget(parent)
, ui(new Ui::Widget)
{
ui->setupUi(this);
m_texts.insert(u"0-numbered html list"_s, u"<ol start=\"0\">\n<li>eggs</li>\n<li>maple syrup</li>\n</ol>"_s);
m_texts.insert(u"0-numbered markdown list"_s, u"0) eggs\n1) maple syrup\n"_s);
m_texts.insert(u"lorem ipsum markdown"_s,
u"Lorem ipsum dolor sit amet quod scimus quomodo legere et scribere Markdown, non solum applicationes interrete."_s);
m_texts.insert(u"markdown checkboxes"_s,
u"- [ ] kürbis-kernöl\n- [ ] mon cheri (große schachtel)\n- [ ] bergkäse\n- [ ] mannerwaffln\n"_s);
m_texts.insert(u"markdown checkboxes (3 hidden list styles)"_s,
u"- [ ] kürbis-kernöl\n- [ ] mon cheri (große schachtel)\n+ [ ] bergkäse\n* [ ] mannerwaffln\n"_s);
m_texts.insert(u"numbered html list"_s, u"<ol>\n<li>eggs</li>\n<li>maple syrup</li>\n</ol>"_s);
m_texts.insert(u"numbered markdown list"_s, u"1. bread\n1. milk\n"_s);
for (auto it = m_texts.constBegin(); it != m_texts.constEnd(); ++it) {
ui->richTextCB->addItem(it.key(), it.value());
ui->plainTextCB->addItem(it.key(), it.value());
}
ui->richTextCB->setCurrentIndex(m_texts.count() - 1);
ui->plainTextCB->setCurrentIndex(1);
m_fileDialog.setWindowTitle(tr("Save rich text"));
m_fileDialog.setAcceptMode(QFileDialog::AcceptSave);
m_fileDialog.setMimeTypeFilters({"text/markdown", "text/html", "text/plain",
"application/vnd.oasis.opendocument.text"});
connect(&m_fileDialog, &QFileDialog::fileSelected, this, &Widget::onSave);
connect(new QShortcut(QKeySequence::Save, this), &QShortcut::activated, [this]() { m_fileDialog.open(); });
connect(new QShortcut(QKeySequence::Quit, this), &QShortcut::activated, [this]() { qApp->quit(); });
}
Widget::~Widget()
{
delete ui;
}
void Widget::on_insertMarkdownButton_clicked()
{
if (ui->newBlockBeforeCB->isChecked()) {
if (ui->moveToBeginningRB->isChecked())
ui->textEdit->moveCursor(QTextCursor::StartOfBlock);
if (ui->moveToEndRB->isChecked())
ui->textEdit->moveCursor(QTextCursor::EndOfBlock);
if (ui->defaultBlockFormatCB->isChecked())
ui->textEdit->textCursor().insertBlock(QTextBlockFormat());
else
ui->textEdit->textCursor().insertBlock();
}
ui->textEdit->textCursor().insertMarkdown(ui->plainTextEdit->toPlainText());
if (ui->newBlockBeforeCB->isChecked()) {
if (ui->defaultBlockFormatCB->isChecked())
ui->textEdit->textCursor().insertBlock(QTextBlockFormat());
else
ui->textEdit->textCursor().insertBlock();
}
}
void Widget::on_insertHtmlButton_clicked()
{
if (ui->newBlockBeforeCB->isChecked()) {
if (ui->moveToBeginningRB->isChecked())
ui->textEdit->moveCursor(QTextCursor::StartOfBlock);
if (ui->moveToEndRB->isChecked())
ui->textEdit->moveCursor(QTextCursor::EndOfBlock);
if (ui->defaultBlockFormatCB->isChecked())
ui->textEdit->textCursor().insertBlock(QTextBlockFormat());
else
ui->textEdit->textCursor().insertBlock();
}
ui->textEdit->insertHtml(ui->plainTextEdit->toPlainText());
if (ui->newBlockBeforeCB->isChecked()) {
if (ui->defaultBlockFormatCB->isChecked())
ui->textEdit->textCursor().insertBlock(QTextBlockFormat());
else
ui->textEdit->textCursor().insertBlock();
}
}
void Widget::on_insertPlainButton_clicked()
{
if (ui->newBlockBeforeCB->isChecked()) {
if (ui->moveToBeginningRB->isChecked())
ui->textEdit->moveCursor(QTextCursor::StartOfBlock);
if (ui->moveToEndRB->isChecked())
ui->textEdit->moveCursor(QTextCursor::EndOfBlock);
if (ui->defaultBlockFormatCB->isChecked())
ui->textEdit->textCursor().insertBlock(QTextBlockFormat());
else
ui->textEdit->textCursor().insertBlock();
}
ui->textEdit->insertPlainText(ui->plainTextEdit->toPlainText());
if (ui->newBlockBeforeCB->isChecked()) {
if (ui->defaultBlockFormatCB->isChecked())
ui->textEdit->textCursor().insertBlock(QTextBlockFormat());
else
ui->textEdit->textCursor().insertBlock();
}
}
void Widget::on_plainTextCB_activated(int index)
{
if (index < m_texts.size()) {
auto it = m_texts.constBegin();
std::advance(it, index);
ui->plainTextEdit->setPlainText(it.value());
}
}
void Widget::on_richTextCB_activated(int index)
{
if (index < m_texts.size()) {
auto it = m_texts.constBegin();
std::advance(it, index);
if (it.key().contains(u"markdown", Qt::CaseInsensitive))
ui->textEdit->setMarkdown(it.value());
else if (it.key().contains(u"html", Qt::CaseInsensitive))
ui->textEdit->setHtml(it.value());
else
ui->textEdit->setPlainText(it.value());
}
}
void Widget::on_textEdit_cursorPositionChanged()
{
QTextBlock block = ui->textEdit->textCursor().block();
ui->blockDesc->setText(u"%1 of %2"_s
.arg(block.blockNumber())
.arg(ui->textEdit->document()->blockCount()));
QTextList *list = block.textList();
if (list) {
QTextBlock first = list->item(0);
ui->listDesc->setText(u"index %1: \"%2\" is in list\nwith style %3 and %4 items starting with %5: %6 %7"_s
.arg(list->itemNumber(block))
.arg(block.text())
.arg(list->format().style())
.arg(list->count())
.arg(list->format().start())
.arg(list->format().style() > QTextListFormat::ListDecimal ? u""_s : list->itemText(first))
.arg(first.text()) );
} else {
ui->listDesc->setText(u"not in a list"_s);
}
}
void Widget::on_saveButton_clicked()
{
m_fileDialog.open();
}
void Widget::onSave(const QString &file)
{
QFile f(file);
if (f.open(QFile::WriteOnly)) {
if (m_fileDialog.selectedMimeTypeFilter() == u"text/markdown")
f.write(ui->textEdit->toMarkdown().toUtf8());
else if (m_fileDialog.selectedMimeTypeFilter() == u"text/html")
f.write(ui->textEdit->toHtml().toUtf8());
else if (m_fileDialog.selectedMimeTypeFilter() == u"text/plain")
f.write(ui->textEdit->toPlainText().toUtf8());
else if (m_fileDialog.selectedMimeTypeFilter() == u"application/vnd.oasis.opendocument.text") {
QBuffer buffer;
QTextDocumentWriter writer(&buffer, "ODF");
writer.write(ui->textEdit->document());
buffer.close();
f.write(buffer.data());
}
f.close();
}
}
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