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// Copyright (C) 2021 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include "inputlistview.h"
#include <QDropEvent>
#include <QMimeData>
InputListView::InputListView(QWidget *parent) : QListWidget(parent)
{
setSelectionMode(QAbstractItemView::ExtendedSelection);
setAcceptDrops(true);
}
bool InputListView::tryAddItem(const QString &label)
{
if (containsItem(label))
return false;
addItem(label);
return true;
}
void InputListView::dropEvent(QDropEvent *event)
{
constexpr int MAX_URLS = 1024;
const QMimeData *mimeData = event->mimeData();
if (mimeData->hasUrls()) {
QList<QUrl> urlList = mimeData->urls();
for (int i = 0; i < urlList.size() && i < MAX_URLS; ++i) {
const QUrl &url = urlList.at(i);
const auto filename = url.toLocalFile();
if (url.isLocalFile() && !containsItem(filename))
addItem(filename);
}
}
}
void InputListView::dragEnterEvent(QDragEnterEvent *event)
{
event->acceptProposedAction();
}
void InputListView::dragMoveEvent(QDragMoveEvent *event)
{
event->acceptProposedAction();
}
void InputListView::dragLeaveEvent(QDragLeaveEvent *event)
{
event->accept();
}
bool InputListView::containsItem(const QString &needle)
{
for (int i = 0; i < count(); ++i) {
if (item(i)->text() == needle)
return true;
}
return false;
}