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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#include <QPushButton>
#include <QDialogButtonBox>
#include <QHeaderView>
#include <QTableWidget>
#include <QTableWidgetItem>
#include <QVBoxLayout>
#include <QClipboard>
#include <QGuiApplication>
#include <QMimeData>
#include "droparea.h"
#include "dropsitewindow.h"
using namespace Qt::StringLiterals;
//! [constructor part1]
DropSiteWindow::DropSiteWindow()
{
abstractLabel = new QLabel(tr("This example accepts drags from other "
"applications and displays the MIME types "
"provided by the drag object."));
abstractLabel->setWordWrap(true);
abstractLabel->adjustSize();
//! [constructor part1]
//! [constructor part2]
dropArea = new DropArea;
connect(dropArea, &DropArea::changed,
this, &DropSiteWindow::updateFormatsTable);
//! [constructor part2]
//! [constructor part3]
formatsTable = new QTableWidget;
formatsTable->setColumnCount(2);
formatsTable->setEditTriggers(QAbstractItemView::NoEditTriggers);
formatsTable->setHorizontalHeaderLabels({tr("Format"), tr("Content")});
formatsTable->horizontalHeader()->setStretchLastSection(true);
//! [constructor part3]
//! [constructor part4]
clearButton = new QPushButton(tr("Clear"));
copyButton = new QPushButton(tr("Copy"));
quitButton = new QPushButton(tr("Quit"));
buttonBox = new QDialogButtonBox;
buttonBox->addButton(clearButton, QDialogButtonBox::ActionRole);
buttonBox->addButton(copyButton, QDialogButtonBox::ActionRole);
#if !QT_CONFIG(clipboard)
copyButton->setVisible(false);
#endif
buttonBox->addButton(quitButton, QDialogButtonBox::RejectRole);
connect(quitButton, &QAbstractButton::clicked, this, &QWidget::close);
connect(clearButton, &QAbstractButton::clicked, dropArea, &DropArea::clear);
connect(copyButton, &QAbstractButton::clicked, this, &DropSiteWindow::copy);
//! [constructor part4]
//! [constructor part5]
QVBoxLayout *mainLayout = new QVBoxLayout(this);
mainLayout->addWidget(abstractLabel);
mainLayout->addWidget(dropArea);
mainLayout->addWidget(formatsTable);
mainLayout->addWidget(buttonBox);
setWindowTitle(tr("Drop Site"));
resize(700, 500);
}
//! [constructor part5]
//! [updateFormatsTable() part1]
void DropSiteWindow::updateFormatsTable(const QMimeData *mimeData)
{
formatsTable->setRowCount(0);
copyButton->setEnabled(false);
if (!mimeData)
return;
//! [updateFormatsTable() part1]
//! [updateFormatsTable() part2]
const QStringList formats = mimeData->formats();
for (const QString &format : formats) {
QTableWidgetItem *formatItem = new QTableWidgetItem(format);
formatItem->setFlags(Qt::ItemIsEnabled);
formatItem->setTextAlignment(Qt::AlignTop | Qt::AlignLeft);
//! [updateFormatsTable() part2]
//! [updateFormatsTable() part3]
QString text;
if (format == u"text/plain") {
text = mimeData->text().simplified();
} else if (format == u"text/markdown") {
text = QString::fromUtf8(mimeData->data(u"text/markdown"_s));
} else if (format == u"text/html") {
text = mimeData->html().simplified();
} else if (format == u"text/uri-list") {
QList<QUrl> urlList = mimeData->urls();
for (qsizetype i = 0, count = qMin(urlList.size(), qsizetype(32)); i < count; ++i)
text.append(urlList.at(i).toString() + u' ');
} else {
QByteArray data = mimeData->data(format);
if (data.size() > 32)
data.truncate(32);
text = QString::fromLatin1(data.toHex(' ')).toUpper();
}
//! [updateFormatsTable() part3]
//! [updateFormatsTable() part4]
int row = formatsTable->rowCount();
formatsTable->insertRow(row);
formatsTable->setItem(row, 0, new QTableWidgetItem(format));
formatsTable->setItem(row, 1, new QTableWidgetItem(text));
}
formatsTable->resizeColumnToContents(0);
#if QT_CONFIG(clipboard)
copyButton->setEnabled(formatsTable->rowCount() > 0);
#endif
}
//! [updateFormatsTable() part4]
void DropSiteWindow::copy()
{
#if QT_CONFIG(clipboard)
QString text;
for (int row = 0, rowCount = formatsTable->rowCount(); row < rowCount; ++row)
text += formatsTable->item(row, 0)->text() + ": " + formatsTable->item(row, 1)->text() + '\n';
QGuiApplication::clipboard()->setText(text);
#endif
}
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