// -*- Mode: C++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
/**
 * editor.h
 *
 * Copyright (C)  2003-2004  Zack Rusin <zack@kde.org>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301  USA
 */

#ifndef KOMPOSER_EDITOR_H
#define KOMPOSER_EDITOR_H

#include "plugin.h"

#include <tqstringlist.h>

namespace KParts {
  class Part;
}

namespace Komposer {

  class Core;

  class Editor : public Plugin
  {
    Q_OBJECT
  
  public:
    enum TextType {
      Plain    = 1 << 0,
      RichText = 1 << 1,
      HTML     = 1 << 2
    };
    virtual ~Editor();

    /**
     * This is the magic function that all derivatives have to reimplement.
     * It returns the actual editor component.
     */
    virtual TQWidget *widget() =0;

    int supportedTextFormats() const;

    /**
     * Returns the full text inside the editor.
     */
    virtual TQString text() const =0;

    /**
     * This function is called when the plugin is selected by the user before the
     * widget of the KPart belonging to the plugin is raised.
     */
    virtual void select();

    /**
     * Reimplement this method and return a @ref TQStringList of all config
     * modules your application part should offer via Komposer. Note that the
     * part and the module will have to take care for config syncing themselves.
     * Usually @p DCOP used for that purpose.
     *
     * @note Make sure you offer the modules in the form:
     * <code>"pathrelativetosettings/mysettings.desktop"</code>
     */
    virtual TQStringList configModules() const { return TQStringList(); }


  public slots:
    /**
     * Sets the text of the opened editor.
     * Most commonly used on replaying.
     * If any text is present if will be deleted.
     */
    virtual void setText( const TQString &txt ) =0;

    /**
     * Changes currently used signature. If no signature is present
     * a new one should be appened.
     */
    virtual void changeSignature( const TQString &txt ) =0;

  protected:
    Editor( TQObject *parent, const char *name, const TQStringList &args );

  private:
    class Private;
    Private *d;
  };

}

#endif