/usr/include/cegui-0.8.4/CEGUI/PropertySet.h is in libcegui-mk2-dev 0.8.4+dfsg-4ubuntu1.
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created: 21/2/2004
author: Paul D Turner
purpose: Defines interface for the PropertySet class
*************************************************************************/
/***************************************************************************
* Copyright (C) 2004 - 2006 Paul D Turner & The CEGUI Development Team
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
***************************************************************************/
#ifndef _CEGUIPropertySet_h_
#define _CEGUIPropertySet_h_
#include "CEGUI/Base.h"
#include "CEGUI/String.h"
#include "CEGUI/IteratorBase.h"
#include "CEGUI/Property.h"
#include "CEGUI/PropertyHelper.h"
#include "CEGUI/TypedProperty.h"
// not needed in this header but you are likely to use it if you include this,
// we also define the CEGUI_DEFINE_PROPERTY macro that relies on this here
#include "CEGUI/TplWindowProperty.h"
#include "CEGUI/Exceptions.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
Retrieves a property instance (that was previously added)
\param name
String containing the name of the Property to be retrieved. If Property \a name is not in the set, exception is thrown.
\return
Pointer to the property instance
*/
Property* getPropertyInstance(const String& name) const;
/*!
\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;
/*!
\copydoc PropertySet::getProperty
This method tries to do a native type get without string conversion if possible,
if that is not possible, it gracefully falls back to string conversion
*/
template<typename T>
typename PropertyHelper<T>::return_type getProperty(const String& name) const
{
PropertyRegistry::const_iterator pos = d_properties.find(name);
if (pos == d_properties.end())
{
CEGUI_THROW(UnknownObjectException("There is no Property named '" + name + "' available in the set."));
}
Property* baseProperty = pos->second;
TypedProperty<T>* typedProperty = dynamic_cast<TypedProperty<T>* >(baseProperty);
if (typedProperty)
{
// yay, we can get native!
return typedProperty->getNative(this);
}
else
{
// fall back to string get
return PropertyHelper<T>::fromString(baseProperty->get(this));
}
}
/*!
\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);
/*!
\copydoc PropertySet::setProperty
This method tries to do a native type set without string conversion if possible,
if that is not possible, it gracefully falls back to string conversion
*/
template<typename T>
void setProperty(const String& name, typename PropertyHelper<T>::pass_type value)
{
PropertyRegistry::iterator pos = d_properties.find(name);
if (pos == d_properties.end())
{
CEGUI_THROW(UnknownObjectException("There is no Property named '" + name + "' available in the set."));
}
Property* baseProperty = pos->second;
TypedProperty<T>* typedProperty = dynamic_cast<TypedProperty<T>* >(baseProperty);
if (typedProperty)
{
// yay, we can set native!
typedProperty->setNative(this, value);
}
else
{
// fall back to string set
baseProperty->set(this, PropertyHelper<T>::toString(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*, StringFastLessCompare
CEGUI_MAP_ALLOC(String, Property*)> PropertyRegistry;
PropertyRegistry d_properties;
public:
/*************************************************************************
Iterator stuff
*************************************************************************/
typedef ConstMapIterator<PropertyRegistry> PropertyIterator;
/*!
\brief
Return a PropertySet::PropertyIterator object to iterate over the available
Properties.
*/
PropertyIterator getPropertyIterator(void) const;
};
/*!
Example of usage inside addStandardProperties or similar method.
{
const String propertyOrigin("MyAwesomeClass"); // this is automatically used by the macro
// you can also reference WidgetTypeName or any other string if applicable
CEGUI_DEFINE_PROPERTY(Window, float, "Alpha",
"Property to get/set the alpha value of the Window. Value is floating point number.",
&Window::setAlpha, &Window::getAlpha, 1.0f)
};
*/
#define CEGUI_DEFINE_PROPERTY(class_type, property_native_type, name, help, setter, getter, default_value)\
{\
static ::CEGUI::TplWindowProperty<class_type, property_native_type> sProperty(\
name, help, propertyOrigin, setter, getter, default_value);\
\
this->addProperty(&sProperty);\
}
/*!
Same as CEGUI_DEFINE_PROPERTY but writeXML is set to false
Example of usage inside addStandardProperties or similar method.
{
const String propertyOrigin("MyAwesomeClass"); // this is automatically used by the macro
// you can also reference WidgetTypeName or any other string if applicable
CEGUI_DEFINE_PROPERTY_NO_XML(Window, float, "Alpha",
"Property to get/set the alpha value of the Window. Value is floating point number.",
&Window::setAlpha, &Window::getAlpha, 1.0f)
};
*/
#define CEGUI_DEFINE_PROPERTY_NO_XML(class_type, property_native_type, name, help, setter, getter, default_value)\
{\
static ::CEGUI::TplWindowProperty<class_type, property_native_type> sProperty(\
name, help, propertyOrigin, setter, getter, default_value, false);\
\
this->addProperty(&sProperty);\
}
} // End of CEGUI namespace section
#if defined(_MSC_VER)
# pragma warning(pop)
#endif
#endif // end of guard _CEGUIPropertySet_h_
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