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#include <QtGui>

#include "classwizard.h"

//! [0] //! [1]

ClassWizard::ClassWizard(QWidget *parent)

    : QWizard(parent)

{

    addPage(new IntroPage);

    addPage(new ClassInfoPage);

    addPage(new CodeStylePage);

    addPage(new OutputFilesPage);

    addPage(new ConclusionPage);

//! [0]

    setPixmap(QWizard::BannerPixmap, QPixmap(":/images/banner.png"));

    setPixmap(QWizard::BackgroundPixmap, QPixmap(":/images/background.png"));

    setWindowTitle(tr("Class Wizard"));

//! [2]

}

//! [1] //! [2]

//! [3]

void ClassWizard::accept()

//! [3] //! [4]

{

    QByteArray className = field("className").toByteArray();

    QByteArray baseClass = field("baseClass").toByteArray();

    QByteArray macroName = field("macroName").toByteArray();

    QByteArray baseInclude = field("baseInclude").toByteArray();

    QString outputDir = field("outputDir").toString();

    QString header = field("header").toString();

    QString implementation = field("implementation").toString();

//! [4]

    QByteArray block;

    if (field("comment").toBool()) {

        block += "/*\n";

        block += "    " + header.toAscii() + "\n";

        block += "*/\n";

        block += "\n";

    }

    if (field("protect").toBool()) {

        block += "#ifndef " + macroName + "\n";

        block += "#define " + macroName + "\n";

        block += "\n";

    }

    if (field("includeBase").toBool()) {

        block += "#include " + baseInclude + "\n";

        block += "\n";

    }

    block += "class " + className;

    if (!baseClass.isEmpty())

        block += " : public " + baseClass;

    block += "\n";

    block += "{\n";

    /* qmake ignore Q_OBJECT */

    if (field("qobjectMacro").toBool()) {

        block += "    Q_OBJECT\n";

        block += "\n";

    }

    block += "public:\n";

    if (field("qobjectCtor").toBool()) {

        block += "    " + className + "(QObject *parent = 0);\n";

    } else if (field("qwidgetCtor").toBool()) {

        block += "    " + className + "(QWidget *parent = 0);\n";

    } else if (field("defaultCtor").toBool()) {

        block += "    " + className + "();\n";

        if (field("copyCtor").toBool()) {

            block += "    " + className + "(const " + className + " &other);\n";

            block += "\n";

            block += "    " + className + " &operator=" + "(const " + className

                     + " &other);\n";

        }

    }

    block += "};\n";

    if (field("protect").toBool()) {

        block += "\n";

        block += "#endif\n";

    }

    QFile headerFile(outputDir + "/" + header);

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

        QMessageBox::warning(0, QObject::tr("Simple Wizard"),

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

                             .arg(headerFile.fileName())

                             .arg(headerFile.errorString()));

        return;

    }

    headerFile.write(block);

    block.clear();

    if (field("comment").toBool()) {

        block += "/*\n";

        block += "    " + implementation.toAscii() + "\n";

        block += "*/\n";

        block += "\n";

    }

    block += "#include \"" + header.toAscii() + "\"\n";

    block += "\n";

    if (field("qobjectCtor").toBool()) {

        block += className + "::" + className + "(QObject *parent)\n";

        block += "    : " + baseClass + "(parent)\n";

        block += "{\n";

        block += "}\n";

    } else if (field("qwidgetCtor").toBool()) {

        block += className + "::" + className + "(QWidget *parent)\n";

        block += "    : " + baseClass + "(parent)\n";

        block += "{\n";

        block += "}\n";

    } else if (field("defaultCtor").toBool()) {

        block += className + "::" + className + "()\n";

        block += "{\n";

        block += "    // missing code\n";

        block += "}\n";

        if (field("copyCtor").toBool()) {

            block += "\n";

            block += className + "::" + className + "(const " + className

                     + " &other)\n";

            block += "{\n";

            block += "    *this = other;\n";

            block += "}\n";

            block += "\n";

            block += className + " &" + className + "::operator=(const "

                     + className + " &other)\n";

            block += "{\n";

            if (!baseClass.isEmpty())

                block += "    " + baseClass + "::operator=(other);\n";

            block += "    // missing code\n";

            block += "    return *this;\n";

            block += "}\n";

        }

    }

    QFile implementationFile(outputDir + "/" + implementation);

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

        QMessageBox::warning(0, QObject::tr("Simple Wizard"),

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

                             .arg(implementationFile.fileName())

                             .arg(implementationFile.errorString()));

        return;

    }

    implementationFile.write(block);

//! [5]

    QDialog::accept();

//! [5] //! [6]

}

//! [6]

//! [7]

IntroPage::IntroPage(QWidget *parent)

    : QWizardPage(parent)

{

    setTitle(tr("Introduction"));

    setPixmap(QWizard::WatermarkPixmap, QPixmap(":/images/watermark1.png"));

    label = new QLabel(tr("This wizard will generate a skeleton C++ class "

                          "definition, including a few functions. You simply "

                          "need to specify the class name and set a few "

                          "options to produce a header file and an "

                          "implementation file for your new C++ class."));

    label->setWordWrap(true);

    QVBoxLayout *layout = new QVBoxLayout;

    layout->addWidget(label);

    setLayout(layout);

}

//! [7]

//! [8] //! [9]

ClassInfoPage::ClassInfoPage(QWidget *parent)

    : QWizardPage(parent)

{

//! [8]

    setTitle(tr("Class Information"));

    setSubTitle(tr("Specify basic information about the class for which you "

                   "want to generate skeleton source code files."));

    setPixmap(QWizard::LogoPixmap, QPixmap(":/images/logo1.png"));

//! [10]

    classNameLabel = new QLabel(tr("&Class name:"));

    classNameLineEdit = new QLineEdit;

    classNameLabel->setBuddy(classNameLineEdit);

    baseClassLabel = new QLabel(tr("B&ase class:"));

    baseClassLineEdit = new QLineEdit;

    baseClassLabel->setBuddy(baseClassLineEdit);

    qobjectMacroCheckBox = new QCheckBox(tr("Generate Q_OBJECT &macro"));

//! [10]

    groupBox = new QGroupBox(tr("C&onstructor"));

//! [9]

    qobjectCtorRadioButton = new QRadioButton(tr("&QObject-style constructor"));

    qwidgetCtorRadioButton = new QRadioButton(tr("Q&Widget-style constructor"));

    defaultCtorRadioButton = new QRadioButton(tr("&Default constructor"));

    copyCtorCheckBox = new QCheckBox(tr("&Generate copy constructor and "

                                        "operator="));

    defaultCtorRadioButton->setChecked(true);

    connect(defaultCtorRadioButton, SIGNAL(toggled(bool)),

            copyCtorCheckBox, SLOT(setEnabled(bool)));

//! [11] //! [12]

    registerField("className*", classNameLineEdit);

    registerField("baseClass", baseClassLineEdit);

    registerField("qobjectMacro", qobjectMacroCheckBox);

//! [11]

    registerField("qobjectCtor", qobjectCtorRadioButton);

    registerField("qwidgetCtor", qwidgetCtorRadioButton);

    registerField("defaultCtor", defaultCtorRadioButton);

    registerField("copyCtor", copyCtorCheckBox);

    QVBoxLayout *groupBoxLayout = new QVBoxLayout;

//! [12]

    groupBoxLayout->addWidget(qobjectCtorRadioButton);

    groupBoxLayout->addWidget(qwidgetCtorRadioButton);

    groupBoxLayout->addWidget(defaultCtorRadioButton);

    groupBoxLayout->addWidget(copyCtorCheckBox);

    groupBox->setLayout(groupBoxLayout);

    QGridLayout *layout = new QGridLayout;

    layout->addWidget(classNameLabel, 0, 0);

    layout->addWidget(classNameLineEdit, 0, 1);

    layout->addWidget(baseClassLabel, 1, 0);

    layout->addWidget(baseClassLineEdit, 1, 1);

    layout->addWidget(qobjectMacroCheckBox, 2, 0, 1, 2);

    layout->addWidget(groupBox, 3, 0, 1, 2);

    setLayout(layout);

//! [13]

}

//! [13]

//! [14]

CodeStylePage::CodeStylePage(QWidget *parent)

    : QWizardPage(parent)

{

    setTitle(tr("Code Style Options"));

    setSubTitle(tr("Choose the formatting of the generated code."));

    setPixmap(QWizard::LogoPixmap, QPixmap(":/images/logo2.png"));

    commentCheckBox = new QCheckBox(tr("&Start generated files with a "

//! [14]

                                       "comment"));

    commentCheckBox->setChecked(true);

    protectCheckBox = new QCheckBox(tr("&Protect header file against multiple "

                                       "inclusions"));

    protectCheckBox->setChecked(true);

    macroNameLabel = new QLabel(tr("&Macro name:"));

    macroNameLineEdit = new QLineEdit;

    macroNameLabel->setBuddy(macroNameLineEdit);

    includeBaseCheckBox = new QCheckBox(tr("&Include base class definition"));

    baseIncludeLabel = new QLabel(tr("Base class include:"));

    baseIncludeLineEdit = new QLineEdit;

    baseIncludeLabel->setBuddy(baseIncludeLineEdit);

    connect(protectCheckBox, SIGNAL(toggled(bool)),

            macroNameLabel, SLOT(setEnabled(bool)));

    connect(protectCheckBox, SIGNAL(toggled(bool)),

            macroNameLineEdit, SLOT(setEnabled(bool)));

    connect(includeBaseCheckBox, SIGNAL(toggled(bool)),

            baseIncludeLabel, SLOT(setEnabled(bool)));

    connect(includeBaseCheckBox, SIGNAL(toggled(bool)),

            baseIncludeLineEdit, SLOT(setEnabled(bool)));

    registerField("comment", commentCheckBox);

    registerField("protect", protectCheckBox);

    registerField("macroName", macroNameLineEdit);

    registerField("includeBase", includeBaseCheckBox);

    registerField("baseInclude", baseIncludeLineEdit);

    QGridLayout *layout = new QGridLayout;

    layout->setColumnMinimumWidth(0, 20);

    layout->addWidget(commentCheckBox, 0, 0, 1, 3);

    layout->addWidget(protectCheckBox, 1, 0, 1, 3);

    layout->addWidget(macroNameLabel, 2, 1);

    layout->addWidget(macroNameLineEdit, 2, 2);

    layout->addWidget(includeBaseCheckBox, 3, 0, 1, 3);

    layout->addWidget(baseIncludeLabel, 4, 1);

    layout->addWidget(baseIncludeLineEdit, 4, 2);

//! [15]

    setLayout(layout);

}

//! [15]

//! [16]

void CodeStylePage::initializePage()

{

    QString className = field("className").toString();

    macroNameLineEdit->setText(className.toUpper() + "_H");

    QString baseClass = field("baseClass").toString();

    includeBaseCheckBox->setChecked(!baseClass.isEmpty());

    includeBaseCheckBox->setEnabled(!baseClass.isEmpty());

    baseIncludeLabel->setEnabled(!baseClass.isEmpty());

    baseIncludeLineEdit->setEnabled(!baseClass.isEmpty());

    if (baseClass.isEmpty()) {

        baseIncludeLineEdit->clear();

    } else if (QRegExp("Q[A-Z].*").exactMatch(baseClass)) {

        baseIncludeLineEdit->setText("<" + baseClass + ">");

    } else {

        baseIncludeLineEdit->setText("\"" + baseClass.toLower() + ".h\"");

    }

}

//! [16]

OutputFilesPage::OutputFilesPage(QWidget *parent)

    : QWizardPage(parent)

{

    setTitle(tr("Output Files"));

    setSubTitle(tr("Specify where you want the wizard to put the generated "

                   "skeleton code."));

    setPixmap(QWizard::LogoPixmap, QPixmap(":/images/logo3.png"));

    outputDirLabel = new QLabel(tr("&Output directory:"));

    outputDirLineEdit = new QLineEdit;

    outputDirLabel->setBuddy(outputDirLineEdit);

    headerLabel = new QLabel(tr("&Header file name:"));

    headerLineEdit = new QLineEdit;

    headerLabel->setBuddy(headerLineEdit);

    implementationLabel = new QLabel(tr("&Implementation file name:"));

    implementationLineEdit = new QLineEdit;

    implementationLabel->setBuddy(implementationLineEdit);

    registerField("outputDir*", outputDirLineEdit);

    registerField("header*", headerLineEdit);

    registerField("implementation*", implementationLineEdit);

    QGridLayout *layout = new QGridLayout;

    layout->addWidget(outputDirLabel, 0, 0);

    layout->addWidget(outputDirLineEdit, 0, 1);

    layout->addWidget(headerLabel, 1, 0);

    layout->addWidget(headerLineEdit, 1, 1);

    layout->addWidget(implementationLabel, 2, 0);

    layout->addWidget(implementationLineEdit, 2, 1);

    setLayout(layout);

}

//! [17]

void OutputFilesPage::initializePage()

{

    QString className = field("className").toString();

    headerLineEdit->setText(className.toLower() + ".h");

    implementationLineEdit->setText(className.toLower() + ".cpp");

    outputDirLineEdit->setText(QDir::convertSeparators(QDir::tempPath()));

}

//! [17]

ConclusionPage::ConclusionPage(QWidget *parent)

    : QWizardPage(parent)

{

    setTitle(tr("Conclusion"));

    setPixmap(QWizard::WatermarkPixmap, QPixmap(":/images/watermark2.png"));

    label = new QLabel;

    label->setWordWrap(true);

    QVBoxLayout *layout = new QVBoxLayout;

    layout->addWidget(label);

    setLayout(layout);

}

void ConclusionPage::initializePage()

{

    QString finishText = wizard()->buttonText(QWizard::FinishButton);

    finishText.remove('&');

    label->setText(tr("Click %1 to generate the class skeleton.")

                   .arg(finishText));

}