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

**

** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).

** All rights reserved.

** Contact: Nokia Corporation (qt-info@nokia.com)

**

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

**

**

**

** $QT_END_LICENSE$

**

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

#include <QtGui>

#include "droparea.h"

#include "dropsitewindow.h"

//! [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, SIGNAL(changed(const QMimeData*)),

            this, SLOT(updateFormatsTable(const QMimeData*)));

//! [constructor part2]

//! [constructor part3]

    QStringList labels;

    labels << tr("Format") << tr("Content");

    formatsTable = new QTableWidget;

    formatsTable->setColumnCount(2);

    formatsTable->setEditTriggers(QAbstractItemView::NoEditTriggers);

    formatsTable->setHorizontalHeaderLabels(labels);

    formatsTable->horizontalHeader()->setStretchLastSection(true);

//! [constructor part3]

//! [constructor part4]

    clearButton = new QPushButton(tr("Clear"));

    quitButton = new QPushButton(tr("Quit"));

    buttonBox = new QDialogButtonBox;

    buttonBox->addButton(clearButton, QDialogButtonBox::ActionRole);

    buttonBox->addButton(quitButton, QDialogButtonBox::RejectRole);

    connect(quitButton, SIGNAL(pressed()), this, SLOT(close()));

    connect(clearButton, SIGNAL(pressed()), dropArea, SLOT(clear()));

//! [constructor part4]

//! [constructor part5]

    QVBoxLayout *mainLayout = new QVBoxLayout;

    mainLayout->addWidget(abstractLabel);

    mainLayout->addWidget(dropArea);

    mainLayout->addWidget(formatsTable);

    mainLayout->addWidget(buttonBox);

    setLayout(mainLayout);

    setWindowTitle(tr("Drop Site"));

    setMinimumSize(350, 500);

}

//! [constructor part5]

//! [updateFormatsTable() part1]

void DropSiteWindow::updateFormatsTable(const QMimeData *mimeData)

{

    formatsTable->setRowCount(0);

    if (!mimeData)

        return;

//! [updateFormatsTable() part1]

//! [updateFormatsTable() part2]        

    foreach (QString format, mimeData->formats()) {

        QTableWidgetItem *formatItem = new QTableWidgetItem(format);

        formatItem->setFlags(Qt::ItemIsEnabled);

        formatItem->setTextAlignment(Qt::AlignTop | Qt::AlignLeft);

//! [updateFormatsTable() part2]

//! [updateFormatsTable() part3]

        QString text;

        if (format == "text/plain") {

            text = mimeData->text().simplified();

        } else if (format == "text/html") {

            text = mimeData->html().simplified();

        } else if (format == "text/uri-list") {

            QList<QUrl> urlList = mimeData->urls();

            for (int i = 0; i < urlList.size() && i < 32; ++i)

                text.append(urlList[i].toString() + " ");

        } else {

            QByteArray data = mimeData->data(format);

            for (int i = 0; i < data.size() && i < 32; ++i) {

                QString hex = QString("%1").arg(uchar(data[i]), 2, 16,

                                                QChar('0'))

                                           .toUpper();

                text.append(hex + " ");

            }

        }

//! [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);

}

//! [updateFormatsTable() part4]