/****************************************************************************
**
** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
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** This file is part of the example classes of the Qt Toolkit.
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import qt.gui.QMainWindow;

import qt.gui.QListWidget;
import qt.gui.QMenu;
import qt.gui.QToolBar;
import qt.gui.QDockWidget;
import qt.gui.QListWidget;
import qt.gui.QMessageBox;
import qt.gui.QTextEdit;
import qt.gui.QTextCursor;
import qt.gui.QTextFrame;
import qt.gui.QTextFrameFormat;
import qt.gui.QTextCharFormat;
import qt.gui.QTextTableFormat;
import qt.gui.QAction;
import qt.gui.QStatusBar;
import qt.gui.QFont;
import qt.gui.QIcon;
import qt.core.QDate;

version(Tango)
    import tango.text.Util;
else
    import std.string;

class MainWindow : public QMainWindow
{
//    Q_OBJECT

    public:
        this()
        {
            textEdit = new QTextEdit;
            setCentralWidget(textEdit);

            createActions();
            createMenus();
            createToolBars();
            createStatusBar();
            createDockWindows();

            setWindowTitle(tr("Dock Widgets"));
            newLetter();
        }

    private : //slots:
        void newLetter()
        {
            textEdit.clear();

            scope cursor = textEdit.textCursor;
            cursor.movePosition(QTextCursor.Start);
            QTextFrame topFrame = cursor.currentFrame();
            QTextFrameFormat topFrameFormat = topFrame.frameFormat();
            topFrameFormat.setPadding(16);
            topFrame.setFrameFormat(topFrameFormat);

            scope textFormat = new QTextCharFormat;
            scope boldFormat = new QTextCharFormat;
            scope italicFormat = new QTextCharFormat;
            boldFormat.setFontWeight(QFont.Bold);
            italicFormat.setFontItalic(true);

            scope tableFormat = new QTextTableFormat;
            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);
        }
/*
        void save()
        {
            char[] fileName = QFileDialog.getSaveFileName(this,
                                                          tr("Choose a file name"), ".",
                                                          tr("HTML (*.html *.htm)"));
            if (fileName.isEmpty())
                return;
            scope file = new QFile(fileName);
            if (!file.open(QFile.WriteOnly | QFile.Text)) {
                QMessageBox.warning(this, tr("Dock Widgets"),
                                    tr(layout("Cannot write file %1:\n%2.", fileName, file.errorString))
                return;
            }

            scope outStream = new QTextStream(file);
            QApplication.setOverrideCursor(Qt.WaitCursor);
            outStream << textEdit.toHtml();
            QApplication.restoreOverrideCursor();

            statusBar.showMessage(layout("Saved '%1'", fileName), 2000);
        }*/

        void print() { }

        void undo() {
            auto document = textEdit.document();
            document.undo();
        }

        void insertCustomer(string customer)
        {
            if (customer == "")
                return;
            
            string[] customerList = customer.split(", ");
            auto document = textEdit.document();
            QTextCursor cursor = document.find("NAME");
            if (!cursor.isNull) {
                cursor.beginEditBlock();
                cursor.insertText(customerList[0]);
                scope oldcursor = new QTextCursor(cursor);
                cursor = document.find("ADDRESS");
                if (!cursor.isNull) {
                    for (int i = 1; i < customerList.length; ++i) {
                        cursor.insertBlock();
                        cursor.insertText(customerList[i]);
                    }
                    cursor.endEditBlock();
                }
                else
                    oldcursor.endEditBlock();
            }
        }

        void addParagraph(string paragraph)
        {
            if (paragraph == "")
                return;
            auto document = textEdit.document();
            scope 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();

        }

        void about()
        {
            QMessageBox.about(this, "About Dock Widgets",
                               "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.");
        }

    private:
        void createActions()
        {
            newLetterAct = new QAction(new QIcon(":images/new.png"), tr("&New Letter"), this);
            newLetterAct.setShortcut(tr("Ctrl+N"));
            newLetterAct.setStatusTip(tr("Create a new form letter"));
            connect!("triggered")(newLetterAct, &this.newLetter);

            saveAct = new QAction(new QIcon(":images/save.png"), tr("&Save..."), this);
            saveAct.setShortcut(tr("Ctrl+S"));
            saveAct.setStatusTip(tr("Save the current form letter"));
            // saveAct.triggered.connect(&save);

            printAct = new QAction(new QIcon(":images/print.png"), tr("&Print..."), this);
            printAct.setShortcut(tr("Ctrl+P"));
            printAct.setStatusTip(tr("Print the current form letter"));
            // printAct.triggered.connect(&print);

            undoAct = new QAction(new QIcon(":images/undo.png"), tr("&Undo"), this);
            undoAct.setShortcut(tr("Ctrl+Z"));
            undoAct.setStatusTip(tr("Undo the last editing action"));
            connect!("triggered")(undoAct, &undo);

            quitAct = new QAction(tr("&Quit"), this);
            quitAct.setShortcut(tr("Ctrl+Q"));
            quitAct.setStatusTip(tr("Quit the application"));
            connect!("triggered")(quitAct, &this.close);

            aboutAct = new QAction(tr("&About"), this);
            aboutAct.setStatusTip(tr("Show the application's About box"));
            connect!("triggered")(aboutAct, &about);

            aboutQtAct = new QAction(tr("About &Qt"), this);
            aboutQtAct.setStatusTip(tr("Show the Qt library's About box"));
            // aboutQtAct.triggered(&aboutQt);
        }

        void 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 createToolBars()
        {
            fileToolBar = addToolBar(tr("File"));
            fileToolBar.addAction(newLetterAct);
            fileToolBar.addAction(saveAct);
            fileToolBar.addAction(printAct);

            editToolBar = addToolBar(tr("Edit"));
            editToolBar.addAction(undoAct);
        }

        void createStatusBar()
        {
            statusBar.showMessage(tr("Ready"));
        }

        void createDockWindows()
        {
            QDockWidget dock = new QDockWidget(tr("Customers"), this);
            dock.setAllowedAreas(Qt.LeftDockWidgetArea | Qt.RightDockWidgetArea);
            customerList = new QListWidget(dock);
            customerList.addItems([
                "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([
                "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!("currentTextChanged")(customerList, &this.insertCustomer);
            connect!("currentTextChanged")(paragraphsList, &this.addParagraph);
        }

        QTextEdit textEdit;
        QListWidget customerList;
        QListWidget paragraphsList;

        QMenu fileMenu;
        QMenu editMenu;
        QMenu viewMenu;
        QMenu helpMenu;
        QToolBar fileToolBar;
        QToolBar editToolBar;
        QAction newLetterAct;
        QAction saveAct;
        QAction printAct;
        QAction undoAct;
        QAction aboutAct;
        QAction aboutQtAct;
        QAction quitAct;
}


//! [9]