qt-creator/src/plugins/vcsbase/basevcseditorfactory.h

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#ifndef BASEVCSEDITORFACTORY_H
#define BASEVCSEDITORFACTORY_H

#include "vcsbase_global.h"
#include "vcsbaseeditor.h"

#include <coreplugin/editormanager/ieditorfactory.h>

#include <QtCore/QStringList>

namespace VCSBase {

struct BaseVCSEditorFactoryPrivate;

// Base class for editor factories creating instances of VCSBaseEditor
//  subclasses.
class VCSBASE_EXPORT BaseVCSEditorFactory : public Core::IEditorFactory
{
    Q_OBJECT
public:
    explicit BaseVCSEditorFactory(const VCSBaseEditorParameters *type);
    virtual ~BaseVCSEditorFactory();

    virtual QStringList mimeTypes() const;
    // IEditorFactory

    virtual QString kind() const;
    virtual Core::IFile *open(const QString &fileName);
    virtual Core::IEditor *createEditor(QWidget *parent);

private:
    // Implement to create and initialize (call init()) a
    // VCSBaseEditor subclass
    virtual VCSBaseEditor *createVCSBaseEditor(const VCSBaseEditorParameters *type,
                                               QWidget *parent) = 0;

    BaseVCSEditorFactoryPrivate *m_d;
};

// Utility template to create an editor.
template <class Editor>
class VCSEditorFactory : public BaseVCSEditorFactory
{
public:
    explicit VCSEditorFactory(const VCSBaseEditorParameters *type,
                              QObject *describeReceiver = 0,
                              const char *describeSlot = 0);

private:
    virtual VCSBaseEditor *createVCSBaseEditor(const VCSBaseEditorParameters *type,
                                               QWidget *parent);
    QObject *m_describeReceiver;
    const char *m_describeSlot;
};

template <class Editor>
VCSEditorFactory<Editor>::VCSEditorFactory(const VCSBaseEditorParameters *type,
                                           QObject *describeReceiver,
                                           const char *describeSlot) :
    BaseVCSEditorFactory(type),
    m_describeReceiver(describeReceiver),
    m_describeSlot(describeSlot)
{
}

template <class Editor>
VCSBaseEditor *VCSEditorFactory<Editor>::createVCSBaseEditor(const VCSBaseEditorParameters *type,
                                                             QWidget *parent)
{
    VCSBaseEditor *rc = new Editor(type, parent);
    rc->init();
    if (m_describeReceiver)
        connect(rc, SIGNAL(describeRequested(QString,QString)), m_describeReceiver, m_describeSlot);
    return rc;

}

} // namespace VCSBase

#endif // BASEVCSEDITORFACTORY_H