//  -*- c-basic-offset:4; indent-tabs-mode:nil -*-
// vim: set ts=4 sts=4 sw=4 et:
/* This file is part of the KDE libraries
   Copyright 2007 Daniel Teske <teske@squorn.de>

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License version 2 as published by the Free Software Foundation.

   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
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public License
   along with this library; see the file COPYING.LIB.  If not, write to
   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
   Boston, MA 02110-1301, USA.
*/
#ifndef KBOOKMARKDIALOG_H
#define KBOOKMARKDIALOG_H

#include "kbookmark.h"
#include <kdialog.h>
#include <kurl.h>

class KBookmarkManager;
#include <QWidget>
#include <QLabel>
#include <QTreeWidget>
class KLineEdit;
#include <QTreeWidgetItem>
#include <QGridLayout>

/**
 * This class provides a Dialog for editing properties, adding Bookmarks and creating new folders.
 * It can be used to show dialogs for common tasks with bookmarks.
 *
 * It is used by KBookmarkMenu to show a dialog for "Properties", "Add Bookmark" and "Create New Folder".
 * If you want to customize those dialogs, derive from KBookmarkOwner and reimplement bookmarkDialog(),
 * return a KBookmarkDialog subclass and reimplement initLayout(), aboutToShow() and save().
**/

class KIO_EXPORT KBookmarkDialog : public KDialog
{
  Q_OBJECT

public:
  /**
   * Creates a new KBookmarkDialog
   */
  KBookmarkDialog(  KBookmarkManager *, QWidget * = 0);
  /**
   * shows a propeties dialog
   * Note: That this  updates the bookmark and calls KBookmarkManager::emitChanged
   */
  KBookmark editBookmark(const KBookmark & bm);
  /**
   * shows a add Bookmark dialog
   * Note: That this  updates the bookmark and calls KBookmarkManager::emitChanged   
   */
  KBookmark addBookmark(const QString & title, const KUrl & url, KBookmark parent = KBookmark());
  /**
   * Creates a folder from a list of bookmarks
   * Note: That this  updates the bookmark and calls KBookmarkManager::emitChanged
   */
  KBookmarkGroup addBookmarks(const QList< QPair<QString, QString> > & list, const QString & name = QString(),  KBookmarkGroup parent = KBookmarkGroup());
  /**
   * A dialog to create a new folder.
   */
  KBookmarkGroup createNewFolder(const QString & name, KBookmark parent = KBookmark());
  /**
   * A dialog to select a folder.
   */
  KBookmarkGroup selectFolder(KBookmark start = KBookmark());

protected:
  typedef enum { NewFolder, NewBookmark, EditBookmark, NewMultipleBookmarks, SelectFolder } BookmarkDialogMode;
  /**
   * initLayout is called to set the dialog up, indepent from the mode
   * If you want to add widgets or a custom layout, reimplement this function.
   * The default implementation is rather simple, take a look at the source.
   * 
   */
  virtual void initLayout();
  /**
   *  aboutToShow is called immediately before exec()
   *  Reimplement this to show or hide UI elements for certain modes.
   *  
  */
  virtual void aboutToShow(BookmarkDialogMode mode);
  /** 
   * save all your custom data in this method
   * This is called after the users has accepted() the dialog.
   *
  */
  virtual void save(BookmarkDialogMode mode, const KBookmark &);

  /**
   * selects the specified bookmark in the folder tree
   */
  void setParentBookmark(const KBookmark & bm);
  /**
   * returns the selected bookmark in the folder tree, or the root (top-level)
   * bookmark if none was selected
   */
  KBookmarkGroup parentBookmark();


  void slotButtonClicked(int);

  // TODO KDE5: move all these variables to a d pointer; make as many methods private as possible.
  BookmarkDialogMode m_mode;
  void fillGroup( QTreeWidgetItem * parentItem, const KBookmarkGroup &group);
  QWidget * m_main;
  KLineEdit * m_url;
  KLineEdit * m_title;
  KLineEdit * m_comment;
  QLabel * m_titleLabel;
  QLabel * m_urlLabel;
  QLabel * m_commentLabel;
  QTreeWidget * m_folderTree;
  KBookmarkManager * m_mgr;
  KBookmark m_bm;
  QList<QPair<QString, QString> > m_list;
  bool m_layout;
  // WARNING: do not add new member variables here; replace one of the pointers with a d pointer,
  // assuming that variable isn't used anywhere in apps...

  void initLayoutPrivate();

protected Q_SLOTS:
  void newFolderButton();

private:
  void fillGroup(QTreeWidgetItem* parentItem, const KBookmarkGroup& group, const KBookmarkGroup& selectGroup);
};

#endif