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

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** Copyright (C) 2016 The Qt Company Ltd.
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#include "plaintexteditorfactory.h"
#include "texteditor.h"
#include "textdocument.h"
#include "normalindenter.h"
#include "texteditoractionhandler.h"
#include "texteditorconstants.h"
#include "texteditorplugin.h"
#include "texteditorsettings.h"
#include "basehoverhandler.h"

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

#include <QCoreApplication>

namespace TextEditor {

static PlainTextEditorFactory *m_instance = nullptr;

class PlainTextEditorWidget : public TextEditorWidget
{
public:
    PlainTextEditorWidget() = default;
    void finalizeInitialization() override
    {
        textDocument()->setMimeType(QLatin1String(Constants::C_TEXTEDITOR_MIMETYPE_TEXT));
    }
};

PlainTextEditorFactory::PlainTextEditorFactory()
{
    QTC_CHECK(!m_instance);
    m_instance = this;
    setId(Core::Constants::K_DEFAULT_TEXT_EDITOR_ID);
    setDisplayName(QCoreApplication::translate("OpenWith::Editors", Core::Constants::K_DEFAULT_TEXT_EDITOR_DISPLAY_NAME));
    addMimeType(QLatin1String(TextEditor::Constants::C_TEXTEDITOR_MIMETYPE_TEXT));
    addMimeType(QLatin1String("text/css")); // for some reason freedesktop thinks css is text/x-csrc
    addHoverHandler(new BaseHoverHandler);

    setDocumentCreator([]() { return new TextDocument(Core::Constants::K_DEFAULT_TEXT_EDITOR_ID); });
    setEditorWidgetCreator([]() { return new PlainTextEditorWidget; });
    setIndenterCreator([](QTextDocument *doc) { return new NormalIndenter(doc); });
    setUseGenericHighlighter(true);

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

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

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

} // namespace TextEditor