basecheckoutwizardfactory.cpp 6.75 KB
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/****************************************************************************
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**
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** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/legal
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**
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** This file is part of Qt Creator.
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**
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** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.  For licensing terms and
** conditions see http://qt.digia.com/licensing.  For further information
** use the contact form at http://qt.digia.com/contact-us.
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**
** GNU Lesser General Public License Usage
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** 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
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights.  These rights are described in the Digia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
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****************************************************************************/
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#include "basecheckoutwizardfactory.h"
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#include "basecheckoutwizard.h"
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#include <coreplugin/featureprovider.h>

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#include <projectexplorer/projectexplorer.h>

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#include <utils/qtcassert.h>

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#include <QCoreApplication>
#include <QDir>
#include <QMessageBox>
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/*!
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    \class VcsBase::BaseCheckoutWizard
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    \brief The BaseCheckoutWizard class implements a wizard for initially
    checking out a project using a version control system.
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   Implements all of Core::IWizard with the exception of
   name()/description() and icon().

   Pops up a QWizard consisting of a Parameter Page which is created
   by a virtual factory function and a progress
   page containing a log text. The factory function createJob()
   creates a job with the output connected to the log window,
   returning the path to the checkout.

   On success, the wizard tries to locate a project file
   and open it.

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   \sa VcsBase::BaseCheckoutWizardPage
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*/

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namespace VcsBase {
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namespace Internal {
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class BaseCheckoutWizardFactoryPrivate
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{
public:
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    BaseCheckoutWizardFactoryPrivate() : wizard(0) {}
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    void clear();

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    BaseCheckoutWizard *wizard;
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    QList<QWizardPage *> parameterPages;
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    QString checkoutPath;
};

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void BaseCheckoutWizardFactoryPrivate::clear()
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{
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    parameterPages.clear();
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    delete wizard;
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    wizard = 0;
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    checkoutPath.clear();
}

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} // namespace Internal

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BaseCheckoutWizardFactory::BaseCheckoutWizardFactory() :
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    d(new Internal::BaseCheckoutWizardFactoryPrivate)
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{
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    setWizardKind(IWizardFactory::ProjectWizard);
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    setCategory(QLatin1String(ProjectExplorer::Constants::IMPORT_WIZARD_CATEGORY));
    setDisplayCategory(QCoreApplication::translate("ProjectExplorer",
        ProjectExplorer::Constants::IMPORT_WIZARD_CATEGORY_DISPLAY));
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    setFlags(Core::IWizardFactory::PlatformIndependent);
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}

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BaseCheckoutWizardFactory::~BaseCheckoutWizardFactory()
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{
    delete d;
}

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void BaseCheckoutWizardFactory::runWizard(const QString &path, QWidget *parent, const QString &platform,
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                                   const QVariantMap &extraValues)
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{
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    Q_UNUSED(platform);
    Q_UNUSED(extraValues);
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    QTC_ASSERT(!d->wizard, return);
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    // Create dialog and launch
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    d->parameterPages = createParameterPages(path);
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    d->wizard = create(d->parameterPages, parent);
    connect(d->wizard, SIGNAL(progressPageShown()), this, SLOT(slotProgressPageShown()));
    d->wizard->setWindowTitle(displayName());
    if (d->wizard->exec() != QDialog::Accepted)
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        return;
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    // Now try to find the project file and open
    const QString checkoutPath = d->checkoutPath;
    d->clear();
    QString errorMessage;
    const QString projectFile = openProject(checkoutPath, &errorMessage);
    if (projectFile.isEmpty()) {
        QMessageBox msgBox(QMessageBox::Warning, tr("Cannot Open Project"),
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                           tr("Failed to open project in \"%1\".").arg(QDir::toNativeSeparators(checkoutPath)));
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        msgBox.setDetailedText(errorMessage);
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        msgBox.addButton(QMessageBox::Ok);
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        msgBox.exec();
    }
}

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static inline QString msgNoProjectFiles(const QDir &dir, const QStringList &patterns)
{
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    return BaseCheckoutWizardFactory::tr("Could not find any project files matching (%1) in the directory \"%2\".").arg(patterns.join(QLatin1String(", ")), QDir::toNativeSeparators(dir.absolutePath()));
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}

// Try to find the project files in a project directory with some smartness
static QFileInfoList findProjectFiles(const QDir &projectDir, QString *errorMessage)
{
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    const QStringList projectFilePatterns = ProjectExplorer::ProjectExplorerPlugin::projectFilePatterns();
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    // Project directory
    QFileInfoList projectFiles = projectDir.entryInfoList(projectFilePatterns, QDir::Files|QDir::NoDotAndDotDot|QDir::Readable);
    if (!projectFiles.empty())
        return projectFiles;
    // Try a 'src' directory
    QFileInfoList srcDirs = projectDir.entryInfoList(QStringList(QLatin1String("src")), QDir::Dirs|QDir::NoDotAndDotDot|QDir::Readable);
    if (srcDirs.empty()) {
        *errorMessage = msgNoProjectFiles(projectDir, projectFilePatterns);
        return QFileInfoList();
    }
    const QDir srcDir = QDir(srcDirs.front().absoluteFilePath());
    projectFiles = srcDir.entryInfoList(projectFilePatterns, QDir::Files|QDir::NoDotAndDotDot|QDir::Readable);
    if (projectFiles.empty()) {
        *errorMessage = msgNoProjectFiles(srcDir, projectFilePatterns);
        return QFileInfoList();
    }
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    return projectFiles;
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}

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QString BaseCheckoutWizardFactory::openProject(const QString &path, QString *errorMessage)
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{
    // Search the directory for project files
    const QDir dir(path);
    if (!dir.exists()) {
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        *errorMessage = tr("\"%1\" does not exist.").
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                        arg(QDir::toNativeSeparators(path)); // Should not happen
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        return QString();
    }
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    QFileInfoList projectFiles = findProjectFiles(dir, errorMessage);
    if (projectFiles.empty())
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        return QString();
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    // Open. Do not use a busy cursor here as additional wizards might pop up
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    const QString projectFile = projectFiles.front().absoluteFilePath();
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    if (!ProjectExplorer::ProjectExplorerPlugin::instance()->openProject(projectFile, errorMessage))
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        return QString();
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    return projectFile;
}

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void BaseCheckoutWizardFactory::slotProgressPageShown()
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{
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    Command *command = createCommand(d->parameterPages, &(d->checkoutPath));
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    d->wizard->start(command);
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}

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} // namespace VcsBase