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classwizard.cpp

/****************************************************************************
**
** Copyright (C) 2007-2007 Trolltech ASA. All rights reserved.
**
** This file is part of the example classes of the Qt Toolkit.
**
** This file may be used under the terms of the GNU General Public
** License version 2.0 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 GNU
** General Public Licensing requirements will be met:
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**
** If you are unsure which license is appropriate for your use, please
** review the following information:
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** or contact the sales department at sales@trolltech.com.
**
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** additional rights. These rights are described in the Trolltech GPL
** Exception version 1.0, which can be found at
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** GPL_EXCEPTION.txt in this package.
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** In addition, as a special exception, Trolltech, as the sole copyright
** holder for Qt Designer, grants users of the Qt/Eclipse Integration
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** Trolltech ASA (c) 2007
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
****************************************************************************/

#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);\n";
    } else if (field("qwidgetCtor").toBool()) {
        block += "    " + className + "(QWidget *parent);\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, 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);
}

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(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);
    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, 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);
}

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));
}

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