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- #ifndef K3DSDK_SCRIPTED_PLUGIN_H
- #define K3DSDK_SCRIPTED_PLUGIN_H
-
- // K-3D
- // Copyright (c) 1995-2008, Timothy M. Shead
- //
- // Contact: tshead@k-3d.com
- //
- // 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
-
- /** \file
- \author Tim Shead (tshead@k-3d.com)
- */
-
- #include "data.h"
- #include "k3d-i18n-config.h"
- #include "plugins.h"
- #include "scripting.h"
-
- #include <boost/scoped_ptr.hpp>
-
- namespace k3d
- {
-
- /// Convenience class for application plugins that need to call scripts
- template<typename base_t>
- class scripted_plugin :
- public base_t
- {
- public:
- scripted_plugin() :
- m_script(init_owner(*this) + init_name("script") + init_label(_("Script")) + init_description(_("Script source code")) + init_value<string_t>(""))
- {
- m_script.changed_signal().connect(sigc::mem_fun(*this, &scripted_plugin::on_script_changed));
- }
-
- protected:
- void set_script(const string_t& Script)
- {
- m_script.set_value(Script);
- }
-
- bool execute_script(iscript_engine::context_t& Context)
- {
- const script::code code(m_script.pipeline_value());
-
- if(!m_script_engine)
- {
- // Examine the script to determine the correct language ...
- const script::language language(code);
-
- return_val_if_fail(language.factory(), false);
-
- // Create our script engine as-needed ...
- m_script_engine.reset(plugin::create<iscript_engine>(language.factory()->factory_id()));
-
- // No script engine? We're outta here ...
- return_val_if_fail(m_script_engine, false);
- }
-
- // Execute that bad-boy!
- return m_script_engine->execute("Script", code.source(), Context);
- }
-
- private:
- void on_script_changed(iunknown* hint)
- {
- m_script_engine.reset();
- }
-
- k3d_data(string_t, immutable_name, change_signal, no_undo, local_storage, no_constraint, script_property, no_serialization) m_script;
- boost::scoped_ptr<iscript_engine> m_script_engine;
- };
-
- } // namespace k3d
-
- #endif // !K3DSDK_SCRIPTED_PLUGIN_H
-
-