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//! [0]

#include <QtGui>

#include "mainwindow.h"

//! [0]

//! [1]

MainWindow::MainWindow()

{

    textEdit = new QTextEdit;

    setCentralWidget(textEdit);

    createActions();

    createMenus();

    createToolBars();

    createStatusBar();

    createDockWindows();

    setWindowTitle(tr("Dock Widgets"));

    newLetter();

    setUnifiedTitleAndToolBarOnMac(true);

}

//! [1]

//! [2]

void MainWindow::newLetter()

{

    textEdit->clear();

    QTextCursor cursor(textEdit->textCursor());

    cursor.movePosition(QTextCursor::Start);

    QTextFrame *topFrame = cursor.currentFrame();

    QTextFrameFormat topFrameFormat = topFrame->frameFormat();

    topFrameFormat.setPadding(16);

    topFrame->setFrameFormat(topFrameFormat);

    QTextCharFormat textFormat;

    QTextCharFormat boldFormat;

    boldFormat.setFontWeight(QFont::Bold);

    QTextCharFormat italicFormat;

    italicFormat.setFontItalic(true);

    QTextTableFormat tableFormat;

    tableFormat.setBorder(1);

    tableFormat.setCellPadding(16);

    tableFormat.setAlignment(Qt::AlignRight);

    cursor.insertTable(1, 1, tableFormat);

    cursor.insertText("The Firm", boldFormat);

    cursor.insertBlock();

    cursor.insertText("321 City Street", textFormat);

    cursor.insertBlock();

    cursor.insertText("Industry Park");

    cursor.insertBlock();

    cursor.insertText("Some Country");

    cursor.setPosition(topFrame->lastPosition());

    cursor.insertText(QDate::currentDate().toString("d MMMM yyyy"), textFormat);

    cursor.insertBlock();

    cursor.insertBlock();

    cursor.insertText("Dear ", textFormat);

    cursor.insertText("NAME", italicFormat);

    cursor.insertText(",", textFormat);

    for (int i = 0; i < 3; ++i)

        cursor.insertBlock();

    cursor.insertText(tr("Yours sincerely,"), textFormat);

    for (int i = 0; i < 3; ++i)

        cursor.insertBlock();

    cursor.insertText("The Boss", textFormat);

    cursor.insertBlock();

    cursor.insertText("ADDRESS", italicFormat);

}

//! [2]

//! [3]

void MainWindow::print()

{

#ifndef QT_NO_PRINTDIALOG

    QTextDocument *document = textEdit->document();

    QPrinter printer;

    QPrintDialog *dlg = new QPrintDialog(&printer, this);

    if (dlg->exec() != QDialog::Accepted)

        return;

    document->print(&printer);

    statusBar()->showMessage(tr("Ready"), 2000);

#endif

}

//! [3]

//! [4]

void MainWindow::save()

{

    QString fileName = QFileDialog::getSaveFileName(this,

                        tr("Choose a file name"), ".",

                        tr("HTML (*.html *.htm)"));

    if (fileName.isEmpty())

        return;

    QFile file(fileName);

    if (!file.open(QFile::WriteOnly | QFile::Text)) {

        QMessageBox::warning(this, tr("Dock Widgets"),

                             tr("Cannot write file %1:\n%2.")

                             .arg(fileName)

                             .arg(file.errorString()));

        return;

    }

    QTextStream out(&file);

    QApplication::setOverrideCursor(Qt::WaitCursor);

    out << textEdit->toHtml();

    QApplication::restoreOverrideCursor();

    statusBar()->showMessage(tr("Saved '%1'").arg(fileName), 2000);

}

//! [4]

//! [5]

void MainWindow::undo()

{

    QTextDocument *document = textEdit->document();

    document->undo();

}

//! [5]

//! [6]

void MainWindow::insertCustomer(const QString &customer)

{

    if (customer.isEmpty())

        return;

    QStringList customerList = customer.split(", ");

    QTextDocument *document = textEdit->document();

    QTextCursor cursor = document->find("NAME");

    if (!cursor.isNull()) {

        cursor.beginEditBlock();

        cursor.insertText(customerList.at(0));

        QTextCursor oldcursor = cursor;

        cursor = document->find("ADDRESS");

        if (!cursor.isNull()) {

            for (int i = 1; i < customerList.size(); ++i) {

                cursor.insertBlock();

                cursor.insertText(customerList.at(i));

            }

            cursor.endEditBlock();

        }

        else

            oldcursor.endEditBlock();

    }

}

//! [6]

//! [7]

void MainWindow::addParagraph(const QString &paragraph)

{

    if (paragraph.isEmpty())

        return;

    QTextDocument *document = textEdit->document();

    QTextCursor cursor = document->find(tr("Yours sincerely,"));

    if (cursor.isNull())

        return;

    cursor.beginEditBlock();

    cursor.movePosition(QTextCursor::PreviousBlock, QTextCursor::MoveAnchor, 2);

    cursor.insertBlock();

    cursor.insertText(paragraph);

    cursor.insertBlock();

    cursor.endEditBlock();

}

//! [7]

void MainWindow::about()

{

   QMessageBox::about(this, tr("About Dock Widgets"),

            tr("The <b>Dock Widgets</b> example demonstrates how to "

               "use Qt's dock widgets. You can enter your own text, "

               "click a customer to add a customer name and "

               "address, and click standard paragraphs to add them."));

}

void MainWindow::createActions()

{

    newLetterAct = new QAction(QIcon(":/images/new.png"), tr("&New Letter"),

                               this);

    newLetterAct->setShortcuts(QKeySequence::New);

    newLetterAct->setStatusTip(tr("Create a new form letter"));

    connect(newLetterAct, SIGNAL(triggered()), this, SLOT(newLetter()));

    saveAct = new QAction(QIcon(":/images/save.png"), tr("&Save..."), this);

    saveAct->setShortcuts(QKeySequence::Save);

    saveAct->setStatusTip(tr("Save the current form letter"));

    connect(saveAct, SIGNAL(triggered()), this, SLOT(save()));

    printAct = new QAction(QIcon(":/images/print.png"), tr("&Print..."), this);

    printAct->setShortcuts(QKeySequence::Print);

    printAct->setStatusTip(tr("Print the current form letter"));

    connect(printAct, SIGNAL(triggered()), this, SLOT(print()));

    undoAct = new QAction(QIcon(":/images/undo.png"), tr("&Undo"), this);

    undoAct->setShortcuts(QKeySequence::Undo);

    undoAct->setStatusTip(tr("Undo the last editing action"));

    connect(undoAct, SIGNAL(triggered()), this, SLOT(undo()));

    quitAct = new QAction(tr("&Quit"), this);

    quitAct->setShortcuts(QKeySequence::Quit);

    quitAct->setStatusTip(tr("Quit the application"));

    connect(quitAct, SIGNAL(triggered()), this, SLOT(close()));

    aboutAct = new QAction(tr("&About"), this);

    aboutAct->setStatusTip(tr("Show the application's About box"));

    connect(aboutAct, SIGNAL(triggered()), this, SLOT(about()));

    aboutQtAct = new QAction(tr("About &Qt"), this);

    aboutQtAct->setStatusTip(tr("Show the Qt library's About box"));

    connect(aboutQtAct, SIGNAL(triggered()), qApp, SLOT(aboutQt()));

}

void MainWindow::createMenus()

{

    fileMenu = menuBar()->addMenu(tr("&File"));

    fileMenu->addAction(newLetterAct);

    fileMenu->addAction(saveAct);

    fileMenu->addAction(printAct);

    fileMenu->addSeparator();

    fileMenu->addAction(quitAct);

    editMenu = menuBar()->addMenu(tr("&Edit"));

    editMenu->addAction(undoAct);

    viewMenu = menuBar()->addMenu(tr("&View"));

    menuBar()->addSeparator();

    helpMenu = menuBar()->addMenu(tr("&Help"));

    helpMenu->addAction(aboutAct);

    helpMenu->addAction(aboutQtAct);

}

void MainWindow::createToolBars()

{

    fileToolBar = addToolBar(tr("File"));

    fileToolBar->addAction(newLetterAct);

    fileToolBar->addAction(saveAct);

    fileToolBar->addAction(printAct);

    editToolBar = addToolBar(tr("Edit"));

    editToolBar->addAction(undoAct);

}

//! [8]

void MainWindow::createStatusBar()

{

    statusBar()->showMessage(tr("Ready"));

}

//! [8]

//! [9]

void MainWindow::createDockWindows()

{

    QDockWidget *dock = new QDockWidget(tr("Customers"), this);

    dock->setAllowedAreas(Qt::LeftDockWidgetArea | Qt::RightDockWidgetArea);

    customerList = new QListWidget(dock);

    customerList->addItems(QStringList()

            << "John Doe, Harmony Enterprises, 12 Lakeside, Ambleton"

            << "Jane Doe, Memorabilia, 23 Watersedge, Beaton"

            << "Tammy Shea, Tiblanka, 38 Sea Views, Carlton"

            << "Tim Sheen, Caraba Gifts, 48 Ocean Way, Deal"

            << "Sol Harvey, Chicos Coffee, 53 New Springs, Eccleston"

            << "Sally Hobart, Tiroli Tea, 67 Long River, Fedula");

    dock->setWidget(customerList);

    addDockWidget(Qt::RightDockWidgetArea, dock);

    viewMenu->addAction(dock->toggleViewAction());

    dock = new QDockWidget(tr("Paragraphs"), this);

    paragraphsList = new QListWidget(dock);

    paragraphsList->addItems(QStringList()

            << "Thank you for your payment which we have received today."

            << "Your order has been dispatched and should be with you "

               "within 28 days."

            << "We have dispatched those items that were in stock. The "

               "rest of your order will be dispatched once all the "

               "remaining items have arrived at our warehouse. No "

               "additional shipping charges will be made."

            << "You made a small overpayment (less than $5) which we "

               "will keep on account for you, or return at your request."

            << "You made a small underpayment (less than $1), but we have "

               "sent your order anyway. We'll add this underpayment to "

               "your next bill."

            << "Unfortunately you did not send enough money. Please remit "

               "an additional $. Your order will be dispatched as soon as "

               "the complete amount has been received."

            << "You made an overpayment (more than $5). Do you wish to "

               "buy more items, or should we return the excess to you?");

    dock->setWidget(paragraphsList);

    addDockWidget(Qt::RightDockWidgetArea, dock);

    viewMenu->addAction(dock->toggleViewAction());

    connect(customerList, SIGNAL(currentTextChanged(QString)),

            this, SLOT(insertCustomer(QString)));

    connect(paragraphsList, SIGNAL(currentTextChanged(QString)),

            this, SLOT(addParagraph(QString)));

}

//! [9]