/****************************************************************************

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** This file is part of the documentation of the Qt Toolkit.

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** This file contains pre-release code and may not be distributed.

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** contained in the Technology Preview License Agreement accompanying

** this package.

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** Foundation and appearing in the file LICENSE.LGPL included in the

** packaging of this file.  Please review the following information to

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****************************************************************************/

#include <QtGui>

#include "window.h"

Window::Window(QWidget *parent)

    : QWidget(parent)

{

    QLabel *textLabel = new QLabel(tr("Data:"), this);

    textBrowser = new QTextBrowser(this);

    QLabel *mimeTypeLabel = new QLabel(tr("MIME types:"), this);

    mimeTypeCombo = new QComboBox(this);

    QVBoxLayout *layout = new QVBoxLayout(this);

    layout->addWidget(textLabel);

    layout->addWidget(textBrowser);

    layout->addWidget(mimeTypeLabel);

    layout->addWidget(mimeTypeCombo);

/*

    ...

    setAcceptDrops(true);

*/

    setAcceptDrops(true);

    setWindowTitle(tr("Drop Actions"));

}

void Window::dragEnterEvent(QDragEnterEvent *event)

{

    if (event->mimeData()->hasFormat("text/plain"))

        event->acceptProposedAction();

}

void Window::dropEvent(QDropEvent *event)

{

    QMenu actionMenu(this);

    QAction *copyAction = 0;

    QAction *moveAction = 0;

    QAction *linkAction = 0;

    QAction *ignoreAction = 0;

    if (event->possibleActions() & Qt::CopyAction)

        copyAction = actionMenu.addAction(tr("Copy"));

    if (event->possibleActions() & Qt::MoveAction)

        moveAction = actionMenu.addAction(tr("Move"));

    if (event->possibleActions() & Qt::LinkAction)

        linkAction = actionMenu.addAction(tr("Link"));

    if (event->possibleActions() & Qt::IgnoreAction)

        ignoreAction = actionMenu.addAction(tr("Ignore"));

    QAction *result = actionMenu.exec(QCursor::pos());

    if (copyAction && result == copyAction)

        event->setDropAction(Qt::CopyAction);

    else if (moveAction && result == moveAction)

        event->setDropAction(Qt::MoveAction);

    else if (linkAction && result == linkAction)

        event->setDropAction(Qt::LinkAction);

    else {

        event->setDropAction(Qt::IgnoreAction);

        return;

    }

    textBrowser->setPlainText(event->mimeData()->text());

    mimeTypeCombo->clear();

    mimeTypeCombo->addItems(event->mimeData()->formats());

}