source: GTP/trunk/Lib/Geom/OgreStuff/include/CEGUI/CEGUIPropertySet.h @ 1809

/************************************************************************
        filename:       CEGUIPropertySet.h
        created:        21/2/2004
        author:         Paul D Turner
        
        purpose:        Defines interface for the PropertySet class
*************************************************************************/
/*************************************************************************
    Crazy Eddie's GUI System (http://www.cegui.org.uk)
    Copyright (C)2004 - 2005 Paul D Turner (paul@cegui.org.uk)

    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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*************************************************************************/
#ifndef _CEGUIPropertySet_h_
#define _CEGUIPropertySet_h_

#include "CEGUIBase.h"
#include "CEGUIString.h"
#include "CEGUIIteratorBase.h"
#include "CEGUIProperty.h"
#include <map>


#if defined(_MSC_VER)
#       pragma warning(push)
#       pragma warning(disable : 4251)
#endif

// Start of CEGUI namespace section
namespace CEGUI
{
/*!
\brief
        Class that contains a collection of Property objects.
*/
class CEGUIEXPORT PropertySet : public PropertyReceiver
{
public:
        /*!
        \brief
                Constructs a new PropertySet object
        */
        PropertySet(void) {}


        /*!
        \brief
                Destructor for PropertySet objects.
        */
        virtual ~PropertySet(void) {}


        /*!
        \brief
                Adds a new Property to the PropertySet

        \param property
                Pointer to the Property object to be added to the PropertySet.

        \return
                Nothing.

        \exception NullObjectException          Thrown if \a property is NULL.
        \exception AlreadyExistsException       Thrown if a Property with the same name as \a property already exists in the PropertySet
        */
        void    addProperty(Property* property);


        /*!
        \brief
                Removes a Property from the PropertySet.

        \param name
                String containing the name of the Property to be removed.  If Property \a name is not in the set, nothing happens.

        \return
                Nothing.
        */
        void    removeProperty(const String& name);


        /*!
        \brief
                Removes all Property objects from the PropertySet.

        \return
                Nothing.
        */
        void    clearProperties(void);


        /*!
        \brief
                Checks to see if a Property with the given name is in the PropertySet

        \param name
                String containing the name of the Property to check for.

        \return
                true if a Property named \a name is in the PropertySet.  false if no Property named \a name is in the PropertySet.
        */
        bool    isPropertyPresent(const String& name) const;


        /*!
        \brief
                Return the help text for the specified Property.

        \param name
                String holding the name of the Property who's help text is to be returned.

        \return
                String object containing the help text for the Property \a name.

        \exception UnknownObjectException       Thrown if no Property named \a name is in the PropertySet.
        */
        const String&   getPropertyHelp(const String& name) const;


        /*!
        \brief
                Gets the current value of the specified Property.

        \param name
                String containing the name of the Property who's value is to be returned.

        \return
                String object containing a textual representation of the requested Property.

        \exception UnknownObjectException       Thrown if no Property named \a name is in the PropertySet.
        */
        String  getProperty(const String& name) const;


        /*!
        \brief
                Sets the current value of a Property.

        \param name
                String containing the name of the Property who's value is to be set.

        \param value
                String containing a textual representation of the new value for the Property

        \return
                Nothing

        \exception UnknownObjectException       Thrown if no Property named \a name is in the PropertySet.
        \exception InvalidRequestException      Thrown when the Property was unable to interpret the content of \a value.
        */
        void    setProperty(const String& name, const String& value);


        /*!
        \brief
                Returns whether a Property is at it's default value.

        \param name
                String containing the name of the Property who's default state is to be tested.

        \return
                - true if the property has it's default value.
                - false if the property has been modified from it's default value.
        */
        bool    isPropertyDefault(const String& name) const;


        /*!
        \brief
                Returns the default value of a Property as a String.

        \param name
                String containing the name of the Property who's default string is to be returned.

        \return
                String object containing a textual representation of the default value for this property.
        */
        String  getPropertyDefault(const String& name) const;

private:
        typedef std::map<String, Property*>     PropertyRegistry;
        PropertyRegistry        d_properties;


public:
        /*************************************************************************
                Iterator stuff
        *************************************************************************/
        typedef ConstBaseIterator<PropertyRegistry>     PropertyIterator;

        /*!
        \brief
                Return a PropertySet::PropertyIterator object to iterate over the available Properties.
        */
        PropertyIterator        getIterator(void) const;
};

} // End of  CEGUI namespace section

#if defined(_MSC_VER)
#       pragma warning(pop)
#endif

#endif  // end of guard _CEGUIPropertySet_h_