qt-creator/src/plugins/texteditor/plaintexteditorfactory.cpp

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#include "plaintexteditorfactory.h"
#include "basetexteditor.h"
#include "basetextdocument.h"
#include "normalindenter.h"
#include "texteditoractionhandler.h"
#include "texteditorconstants.h"
#include "texteditorplugin.h"
#include "texteditorsettings.h"

#include <coreplugin/coreconstants.h>
#include <coreplugin/infobar.h>
#include <utils/qtcassert.h>

#include <QCoreApplication>

namespace TextEditor {

static PlainTextEditorFactory *m_instance = 0;

class PlainTextEditorWidget : public BaseTextEditorWidget
{
public:
    PlainTextEditorWidget() {}
    void finalizeInitialization() { setupAsPlainEditor(); }
};

PlainTextEditorFactory::PlainTextEditorFactory()
{
    QTC_CHECK(!m_instance);
    m_instance = this;
    setId(Core::Constants::K_DEFAULT_TEXT_EDITOR_ID);
    setDisplayName(qApp->translate("OpenWith::Editors", Core::Constants::K_DEFAULT_TEXT_EDITOR_DISPLAY_NAME));
    addMimeType(QLatin1String(TextEditor::Constants::C_TEXTEDITOR_MIMETYPE_TEXT));

    setDocumentCreator([]() { return new BaseTextDocument(Core::Constants::K_DEFAULT_TEXT_EDITOR_ID); });
    setEditorWidgetCreator([]() { return new PlainTextEditorWidget; });
    setIndenterCreator([]() { return new NormalIndenter; });

    setEditorActionHandlers(TextEditorActionHandler::Format |
        TextEditorActionHandler::UnCommentSelection |
        TextEditorActionHandler::UnCollapseAll);
}

PlainTextEditorFactory *PlainTextEditorFactory::instance()
{
    return m_instance;
}

BaseTextEditor *PlainTextEditorFactory::createPlainTextEditor()
{
    return qobject_cast<BaseTextEditor *>(m_instance->createEditor());
}

} // namespace TextEditor