/***************************************************************************
                          kmymoneyplugin.h
                             -------------------
    begin                : Wed Jan 5 2005
    copyright            : (C) 2005 Thomas Baumgart
    email                : ipwizard@users.sourceforge.net
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/

#ifndef KMYMONEYPLUGIN_H
#define KMYMONEYPLUGIN_H

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

// ----------------------------------------------------------------------------
// QT Includes

#include <tqobject.h>

// ----------------------------------------------------------------------------
// KDE Includes

#include <kxmlguiclient.h>
class TDEAboutData;
class TDEInstance;
class TDEAction;
class TDEToggleAction;

// ----------------------------------------------------------------------------
// Project Includes

#include <kmymoney/viewinterface.h>
#include <kmymoney/statementinterface.h>
#include <kmymoney/importinterface.h>
#include <kmymoney/export.h>

namespace KMyMoneyPlugin {

/**
  * This class describes the interface between the KMyMoney
  * application and it's plugins. All plugins must be derived
  * from this class.
  *
  * A good tutorial on how to design and develop a plugin
  * structure for a KDE application (e.g. KMyMoney) can be found at
  * http://developer.kde.org/documentation/tutorials/developing-a-plugin-structure/index.html
  *
  */
  class KMYMONEY_EXPORT Plugin : public TQObject, public KXMLGUIClient
  {
    Q_OBJECT
  
  public:
    Plugin(TQObject* parent, const char* name);
    virtual ~Plugin();

  protected:
    /** See KMyMoney2App::action() for a description */
    TDEAction* action(const TQString& name) const;

    /** See KMyMoney2App::toggleAction() for a description */
    TDEToggleAction* toggleAction(const TQString& name) const;

    // define interface classes here. The interface classes provide a mechanism
    // for the plugin to interact with KMyMoney
    // they are defined in the following form for an interface
    // named Xxx:
    //
    // XxxInterface* xxxInterface();
    ViewInterface*          viewInterface() const;
    StatementInterface*     statementInterface() const;
    ImportInterface*        importInterface() const;
  };

/**
   * This class describes the interface between the KMyMoney
   * application and it's ONLINE-BANKING plugins. All online banking plugins
   * must provide this interface.
   *
   * A good tutorial on how to design and develop a plugin
   * structure for a KDE application (e.g. KMyMoney) can be found at
   * http://developer.kde.org/documentation/tutorials/developing-a-plugin-structure/index.html
   *
 */
  class KMYMONEY_EXPORT OnlinePlugin
  {
  public:
    OnlinePlugin() {}
    virtual ~OnlinePlugin() {}

    virtual void protocols(TQStringList& protocolList) const = 0;

    /**
     * This method returns a pointer to a widget representing an additional
     * tab that will be added to the KNewAccountDlg. The string referenced
     * with @a tabName will be filled with the text that should be placed
     * on the tab. It should return 0 if no additional tab is needed.
     *
     * Information about the account can be taken out of @a account.
     *
     * Once the pointer to the widget is returned to KMyMoney, it takes care
     * of destruction of all included widgets when the dialog is closed. The plugin
     * can access the widgets created after the call to storeConfigParameters()
     * happened.
     */
    virtual TQWidget* accountConfigTab(const MyMoneyAccount& account, TQString& tabName) = 0;

    /**
     * This method is called by the framework whenever it is time to store
     * the configuration data maintained by the plugin. The plugin should use
     * the widgets created in accountConfigTab() to extract the current values.
     *
     * @param current The @a current container contains the current settings
     */
    virtual MyMoneyKeyValueContainer onlineBankingSettings(const MyMoneyKeyValueContainer& current) = 0;

    /**
     * This method is called by the framework when the user wants to map
     * a KMyMoney account onto an online account. The KMyMoney account is identified
     * by @a acc and the online provider should store its data in @a onlineBankingSettings
     * upon success.
     *
     * @retval true if account is mapped
     * @retval false if account is not mapped
     */
    virtual bool mapAccount(const MyMoneyAccount& acc, MyMoneyKeyValueContainer& onlineBankingSettings) = 0;

    /**
     * This method is called by the framework when the user wants to update
     * a KMyMoney account with data from an online account. The KMyMoney account is identified
     * by @a acc. The online provider should read its data from acc.onlineBankingSettings().
     * @a true is returned upon success. The plugin might consider to stack the requests
     * in case @a moreAccounts is @p true. @a moreAccounts defaults to @p false.
     *
     * @retval true if account is updated
     * @retval false if account is not updated
     */
    virtual bool updateAccount(const MyMoneyAccount& acc, bool moreAccounts = false) = 0;
  };

/**
  * This class describes the interface between the KMyMoney
  * application and it's IMPORTER plugins. All importer plugins
  * must provide this interface.
  *
  * A good tutorial on how to design and develop a plugin
  * structure for a KDE application (e.g. KMyMoney) can be found at
  * http://developer.kde.org/documentation/tutorials/developing-a-plugin-structure/index.html
  *
  */
  class KMYMONEY_EXPORT ImporterPlugin
  {
  public:
    ImporterPlugin() {}
    virtual ~ImporterPlugin() {}

    /**
      * This method returns the english-language name of the format
      * this plugin imports, e.g. "OFX"
      *
      * @return TQString Name of the format
      */
    virtual TQString formatName(void) const = 0;

    /**
      * This method returns the filename filter suitable for passing to
      * KFileDialog::setFilter(), e.g. "*.ofx *.qfx" which describes how
      * files of this format are likely to be named in the file system
      *
      * @return TQString Filename filter string
      */
    virtual TQString formatFilenameFilter(void) const = 0;

    /**
      * This method returns whether this plugin is able to import
      * a particular file.
      *
      * @param filename Fully-qualified pathname to a file
      *
      * @return bool Whether the indicated file is importable by this plugin
      */
    virtual bool isMyFormat( const TQString& filename ) const = 0;

    /**
      * Import a file
      *
      * @param filename File to import
      *
      * @return bool Whether the import was successful.
      */
    virtual bool import( const TQString& filename) = 0;

    /**
      * Returns the error result of the last import
      *
      * @return TQString English-language name of the error encountered in the
      *  last import, or TQString() if it was successful.
      *
      */
    virtual TQString lastError(void) const = 0;

  };

}; // end of namespace
#endif
