/usr/include/CLAM/ConfigurationVisitor.hxx is in libclam-dev 1.4.0-5.2.
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* Copyright (c) 2001-2004 MUSIC TECHNOLOGY GROUP (MTG)
* UNIVERSITAT POMPEU FABRA
*
*
* 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.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#ifndef __CONFIGURATIONVISITOR__
#define __CONFIGURATIONVISITOR__
namespace CLAM{
class ConfigurationVisitor {
public:
virtual ~ConfigurationVisitor() {}
virtual void VisitConfig()=0;
};
/**
* A DynamicType attribute visitor that builds a widget
* for each attribute using a user interface builder.
* The builder should implement AddWidget overloaded methods
* for every type whe want to support.
* @ingroup Configurators
* @see ConfigurationSetter, QTConfigurator, FLTKConfigurator, DynamicType
*/
template <typename Configuration, typename Builder>
class ConfigurationGetter : public ConfigurationVisitor {
public:
ConfigurationGetter(Configuration * config, Builder* builder) {
mBuilder = builder;
mConfig = config;
}
virtual ~ConfigurationGetter() {}
template <typename T>
void Accept(const char *name, T &value) {
mBuilder->AddWidget(name, &value, value);
}
virtual void VisitConfig() {
mConfig->VisitAll(*this);
}
private:
Builder * mBuilder;
Configuration * mConfig;
};
/**
* A DynamicType attribute visitor that takes the attribute
* values from an a 'Builder' which implements the RetrieveValue.
* for each attribute using a user interface builder.
* The builder should implement RetrieveValue overloaded methods
* for every type whe want to support.
* @ingroup Configurators
* @see ConfigurationGetter, QTConfigurator, FLTKConfigurator, DynamicType
*/
template <typename Configuration, typename Builder>
class ConfigurationSetter : public ConfigurationVisitor {
public:
ConfigurationSetter(Configuration * config, Builder* builder) {
mBuilder = builder;
mConfig = config;
}
virtual ~ConfigurationSetter() {}
template <typename T>
void Accept(const char *name, T &value) {
mBuilder->RetrieveValue(name, &value, value);
}
virtual void VisitConfig() {
mConfig->VisitAll(*this);
}
private:
Builder * mBuilder;
Configuration * mConfig;
};
/**
* @defgroup Configurators Dynamic Types Configurators: AutoGenerated GUI Dialogs for editing DT's
* @ingroup GraphicalInterface
*
* Configurators quickly builds GUI dialogs to modify a given DynamicType object.
* They use DynamicType's introspection features to build a dialog for a given graphic toolkit.
* Qt and FLTK suported at the moment but it would be easy to extend to other toolkits
* by provident a new Configurator Object.
*
* Their usage is extremely simple.
* For example, to show a Qt configurator dialog.
* @code
* CLAM::QTConfigurator dialog;
* dialog.SetConfig(myDinamicType);
* dialog.show();
* @endcode
*
* For FLTK you can achieve nearly the same by doing:
* @code
* CLAM::FLTKConfigurator * configurator = new CLAM::FLTKConfigurator;
* configurator->SetConfig(myDynamicType);
* configurator->show();
* @endcode
*
* @section ExtendingConfigurators Extending to other toolkits or attribute types.
*
* A given configurator overloads the AddWidget and RetrieveValue for
* every type it wants to deal diferently.
* ConfigurationGetter and ConfigurationSetter classes are visitors that
* calls those methods for every attribute on the DynamicType.
*
* If you want a different widget for a given type you can extend the
* standard Configurator and add your AddWidget/RetrieveValue overloads.
*
* If you want a configurator that would support a given toolkit, just
* take the QTConfigurator or the FLTKConfigurator as an example and
* implement your own configurator.
*
*/
}
#endif//__CONFIGURATIONVISITOR__
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