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    41 

    42 #include <QtGui>

    43 

    44 #include "droparea.h"

    45 #include "dropsitewindow.h"

    46 

    47 //! [constructor part1]

    48 DropSiteWindow::DropSiteWindow()

    49 {

    50     abstractLabel = new QLabel(tr("This example accepts drags from other "

    51                                   "applications and displays the MIME types "

    52                                   "provided by the drag object."));

    53     abstractLabel->setWordWrap(true);

    54     abstractLabel->adjustSize();

    55 //! [constructor part1]

    56 

    57 //! [constructor part2]

    58     dropArea = new DropArea;

    59     connect(dropArea, SIGNAL(changed(const QMimeData *)),

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

    61 //! [constructor part2]

    62 

    63 //! [constructor part3]

    64     QStringList labels;

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

    66 

    67     formatsTable = new QTableWidget;

    68     formatsTable->setColumnCount(2);

    69     formatsTable->setEditTriggers(QAbstractItemView::NoEditTriggers);

    70     formatsTable->setHorizontalHeaderLabels(labels);

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

    72 //! [constructor part3]

    73 

    74 //! [constructor part4]

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

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

    77 

    78     buttonBox = new QDialogButtonBox;

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

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

    81 

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

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

    84 //! [constructor part4]

    85 

    86 //! [constructor part5]

    87     QVBoxLayout *mainLayout = new QVBoxLayout;

    88     mainLayout->addWidget(abstractLabel);

    89     mainLayout->addWidget(dropArea);

    90     mainLayout->addWidget(formatsTable);

    91     mainLayout->addWidget(buttonBox);

    92     setLayout(mainLayout);

    93 

    94     setWindowTitle(tr("Drop Site"));

    95     setMinimumSize(350, 500);

    96 }

    97 //! [constructor part5]

    98 

    99 //! [updateFormatsTable() part1]

   100 void DropSiteWindow::updateFormatsTable(const QMimeData *mimeData)

   101 {

   102     formatsTable->setRowCount(0);

   103     if (!mimeData)

   104         return;

   105 //! [updateFormatsTable() part1]

   106 

   107 //! [updateFormatsTable() part2]        

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

   109         QTableWidgetItem *formatItem = new QTableWidgetItem(format);

   110         formatItem->setFlags(Qt::ItemIsEnabled);

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

   112 //! [updateFormatsTable() part2]

   113 

   114 //! [updateFormatsTable() part3]

   115         QString text;

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

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

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

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

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

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

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

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

   124         } else {

   125             QByteArray data = mimeData->data(format);

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

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

   128                                                 QChar('0'))

   129                                            .toUpper();

   130                 text.append(hex + " ");

   131             }

   132         }

   133 //! [updateFormatsTable() part3]   

   134 

   135 //! [updateFormatsTable() part4]

   136         int row = formatsTable->rowCount();

   137         formatsTable->insertRow(row);

   138         formatsTable->setItem(row, 0, new QTableWidgetItem(format));

   139         formatsTable->setItem(row, 1, new QTableWidgetItem(text));

   140     }

   141     

   142     formatsTable->resizeColumnToContents(0);

   143 }

   144 //! [updateFormatsTable() part4]