Class wizard dialog : QWizard « Qt « C++

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C++ » Qt » QWizardScreenshots 
Class wizard dialog
  

/****************************************************************************
**
** Copyright (C) 2009 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.
**
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** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
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** rights.  These rights are described in the Nokia Qt LGPL Exception
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**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
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** If you have questions regarding the use of this file, please contact
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****************************************************************************/

#ifndef CLASSWIZARD_H
#define CLASSWIZARD_H

#include <QWizard>

QT_BEGIN_NAMESPACE
class QCheckBox;
class QGroupBox;
class QLabel;
class QLineEdit;
class QRadioButton;
QT_END_NAMESPACE


class ClassWizard : public QWizard
{
    Q_OBJECT

public:
    ClassWizard(QWidget *parent = 0);

    void accept();
};



class IntroPage : public QWizardPage
{
    Q_OBJECT

public:
    IntroPage(QWidget *parent = 0);

private:
    QLabel *label;
};



class ClassInfoPage : public QWizardPage
{
    Q_OBJECT

public:
    ClassInfoPage(QWidget *parent = 0);

private:
    QLabel *classNameLabel;
    QLabel *baseClassLabel;
    QLineEdit *classNameLineEdit;
    QLineEdit *baseClassLineEdit;
    QCheckBox *qobjectMacroCheckBox;
    QGroupBox *groupBox;
    QRadioButton *qobjectCtorRadioButton;
    QRadioButton *qwidgetCtorRadioButton;
    QRadioButton *defaultCtorRadioButton;
    QCheckBox *copyCtorCheckBox;
};



class CodeStylePage : public QWizardPage
{
    Q_OBJECT

public:
    CodeStylePage(QWidget *parent = 0);

protected:
    void initializePage();

private:
    QCheckBox *commentCheckBox;
    QCheckBox *protectCheckBox;
    QCheckBox *includeBaseCheckBox;
    QLabel *macroNameLabel;
    QLabel *baseIncludeLabel;
    QLineEdit *macroNameLineEdit;
    QLineEdit *baseIncludeLineEdit;
};


class OutputFilesPage : public QWizardPage
{
    Q_OBJECT

public:    
    OutputFilesPage(QWidget *parent = 0);

protected:
    void initializePage();

private:
    QLabel *outputDirLabel;
    QLabel *headerLabel;
    QLabel *implementationLabel;
    QLineEdit *outputDirLineEdit;
    QLineEdit *headerLineEdit;
    QLineEdit *implementationLineEdit;
};

class ConclusionPage : public QWizardPage
{
    Q_OBJECT

public:
    ConclusionPage(QWidget *parent = 0);

protected:
    void initializePage();

private:
    QLabel *label;
};

#endif





#include <QtGui>

#include "classwizard.h"

 
ClassWizard::ClassWizard(QWidget *parent)
    : QWizard(parent)
{
    addPage(new IntroPage);
    addPage(new ClassInfoPage);
    addPage(new CodeStylePage);
    addPage(new OutputFilesPage);
    addPage(new ConclusionPage);


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

    setWindowTitle(tr("Class Wizard"));

}
 


void ClassWizard::accept()
 
{
    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();


    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);


    QDialog::accept();
 
}



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);
}


 
ClassInfoPage::ClassInfoPage(QWidget *parent)
    : QWizardPage(parent)
{

    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"));


    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"));


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


    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)));

 
    registerField("className*", classNameLineEdit);
    registerField("baseClass", baseClassLineEdit);
    registerField("qobjectMacro", qobjectMacroCheckBox);

    registerField("qobjectCtor", qobjectCtorRadioButton);
    registerField("qwidgetCtor", qwidgetCtorRadioButton);
    registerField("defaultCtor", defaultCtorRadioButton);
    registerField("copyCtor", copyCtorCheckBox);

    QVBoxLayout *groupBoxLayout = new QVBoxLayout;

    groupBoxLayout->addWidget(qobjectCtorRadioButton);
    groupBoxLayout->addWidget(qwidgetCtorRadioButton);
    groupBoxLayout->addWidget(defaultCtorRadioButton);
    groupBoxLayout->addWidget(copyCtorCheckBox);
    groupBox->setLayout(groupBoxLayout);

    QGridLayout *layout = new QGridLayout;
    layout->addWidget(classNameLabel, 00);
    layout->addWidget(classNameLineEdit, 01);
    layout->addWidget(baseClassLabel, 10);
    layout->addWidget(baseClassLineEdit, 11);
    layout->addWidget(qobjectMacroCheckBox, 2012);
    layout->addWidget(groupBox, 3012);
    setLayout(layout);

}



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 "

                                       "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(020);
    layout->addWidget(commentCheckBox, 0013);
    layout->addWidget(protectCheckBox, 1013);
    layout->addWidget(macroNameLabel, 21);
    layout->addWidget(macroNameLineEdit, 22);
    layout->addWidget(includeBaseCheckBox, 3013);
    layout->addWidget(baseIncludeLabel, 41);
    layout->addWidget(baseIncludeLineEdit, 42);

    setLayout(layout);
}



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\"");
    }
}


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, 00);
    layout->addWidget(outputDirLineEdit, 01);
    layout->addWidget(headerLabel, 10);
    layout->addWidget(headerLineEdit, 11);
    layout->addWidget(implementationLabel, 20);
    layout->addWidget(implementationLineEdit, 21);
    setLayout(layout);
}


void OutputFilesPage::initializePage()
{
    QString className = field("className").toString();
    headerLineEdit->setText(className.toLower() ".h");
    implementationLineEdit->setText(className.toLower() ".cpp");
    outputDirLineEdit->setText(QDir::convertSeparators(QDir::tempPath()));
}


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));
}







#include <QApplication>
#include <QTranslator>
#include <QLocale>
#include <QLibraryInfo>

#include "classwizard.h"

int main(int argc, char *argv[])
{
    Q_INIT_RESOURCE(classwizard);
    
    QApplication app(argc, argv);

    QString translatorFileName = QLatin1String("qt_");
    translatorFileName += QLocale::system().name();
    QTranslator *translator = new QTranslator(&app);
    if (translator->load(translatorFileName, QLibraryInfo::location(QLibraryInfo::TranslationsPath)))
        app.installTranslator(translator);

    ClassWizard wizard;
    wizard.show();
    return app.exec();
}

   
    
  
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