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 *   Copyright (C) 2002 Lucijan Busch <lucijan@gmx.at>                     *
 *   Copyright (C) 2004 Cedric Pasteur <cedric.pasteur@free.fr>            *
 *   Copyright (C) 2004 Jaroslaw Staniek <js@iidea.pl>                     *
 *   Copyright (C) 2006 by David Saxton david@bluehaze.org                 *
 *                                                                         *
 *   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.                                   *


#include <qvariant.h>
#include <qguardedptr.h>
#include <qdict.h>

#include <klistview.h>

#include "propertyeditoritem.h"

class ItemGroup;
class Variant;
class PropertySubEditor;
class KPushButton;

//! A list view to edit any type of properties
00031 class PropertyEditor : public KListView

            /*! Creates an empty PropertyEditor with \a parent as parent widget.
            PropertyEditor( QWidget * parent = 0, const char * name = 0 );
            virtual ~PropertyEditor();

            /*! Reset the list, ie clears all items in the list.
               if \a editorOnly is true, then only the current editor will be cleared, not the whole list.
            void reset();

             * Updates the list of Property editors from the items selected in
             * \a itemGroup.
            void create( ItemGroup * itemGroup );

            virtual QSize sizeHint() const;
             * @internal used by PropertySubEditor and PropertyEditor.
            bool handleKeyPress( QKeyEvent* ev );
             * Updates the default button for the current editor.
            void updateDefaultsButton();

      public slots:
             * On focus:
             * \li previously focused editor is activated
             * \li first visible item is activated if no item was active
            virtual void setFocus();

      protected slots:
             * This slot resets the value of an item, using Property::oldValue().
             * It is called when pressing the "Revert to defaults" button
            void resetItem();
             * This slot updates the positions of current editor and revert button.
             * It is called when double-clicking list's header. 
            void moveEditor();
             * Fills the list with an item for each property in the buffer.
             * You shouldn't need to call this, as it is automatically called in create().
            void fill();
             * This slot updates editor and revert buttons position and size when
             * the columns are resized.
            void slotColumnSizeChanged( int section, int oldS, int newS);
            void slotColumnSizeChanged( int section);
             * This slot is called when the user clicks the list view. It takes care
             * of deleting current editor and creating a new editor for the newly
             * selected item.
            void slotClicked(QListViewItem *item);
             * Used to fix selection when unselectable item was activated.
            void slotCurrentChanged(QListViewItem *);

            void slotExpanded(QListViewItem *item);
            void slotCollapsed(QListViewItem *item);

             * Creates an editor for the list item \a i in the rect \a geometry, and
             * displays revert button if property is modified (ie
             * PropertyEditorItem::modified() == true). The editor type depends on
             * Property::type() of the item's property.
            void createEditor(PropertyEditorItem *i);//, const QRect &geometry);
             * Reimplemented from KListView to update editor and revert button
             * position.
            void resizeEvent(QResizeEvent *ev);

            void showDefaultsButton( bool show );

            int baseRowHeight() const { return m_baseRowHeight; }

            QGuardedPtr<ItemGroup> m_pItemGroup;
            QGuardedPtr<PropertySubEditor> m_currentEditor;
            PropertyEditorItem *m_editItem;
            PropertyEditorItem *m_topItem; //The top item is used to control the drawing of every branches.
            KPushButton *m_defaults; // "Revert to defaults" button
            PropertyEditorItem::Dict m_items;
            int m_baseRowHeight;
            //! Used in setFocus() to prevent scrolling to previously selected item on mouse click
00132             bool justClickedItem : 1;

            friend class PropertyEditorItem;
            friend class PropertySubEditor;


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