Add LayerParamSetStatic and LayerParamUnSetStatic actions.

[synfig.git] / synfig-studio / src / synfigapp / actions / layerparamunsetstatic.cpp

diff --git a/synfig-studio/src/synfigapp/actions/layerparamunsetstatic.cpp b/synfig-studio/src/synfigapp/actions/layerparamunsetstatic.cpp
new file mode 100644 (file)
index 0000000..4012c9e
--- /dev/null
+++ b/synfig-studio/src/synfigapp/actions/layerparamunsetstatic.cpp
@@ -0,0 +1,185 @@
+/* === S Y N F I G ========================================================= */
+/*!    \file layerparamunsetstatic.cpp
+**     \brief Template File
+**
+**     $Id$
+**
+**     \legal
+**     Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
+**     Copyright (c) 2010 Carlos López
+**
+**     This package 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 package 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.
+**     \endlegal
+*/
+/* ========================================================================= */
+
+/* === H E A D E R S ======================================================= */
+
+#ifdef USING_PCH
+#      include "pch.h"
+#else
+#ifdef HAVE_CONFIG_H
+#      include <config.h>
+#endif
+
+#include "layerparamunsetstatic.h"
+#include <synfigapp/canvasinterface.h>
+
+#include <synfigapp/general.h>
+
+#endif
+
+using namespace std;
+using namespace etl;
+using namespace synfig;
+using namespace synfigapp;
+using namespace Action;
+
+/* === M A C R O S ========================================================= */
+
+ACTION_INIT(Action::LayerParamUnSetStatic);
+ACTION_SET_NAME(Action::LayerParamUnSetStatic,"LayerParamUnSetStatic");
+ACTION_SET_LOCAL_NAME(Action::LayerParamUnSetStatic,N_("UnSet Layer Parameter Static"));
+ACTION_SET_TASK(Action::LayerParamUnSetStatic,"unsetstatic");
+ACTION_SET_CATEGORY(Action::LayerParamUnSetStatic,Action::CATEGORY_VALUEDESC);
+ACTION_SET_PRIORITY(Action::LayerParamUnSetStatic,0);
+ACTION_SET_VERSION(Action::LayerParamUnSetStatic,"0.0");
+ACTION_SET_CVS_ID(Action::LayerParamUnSetStatic,"$Id$");
+
+/* === G L O B A L S ======================================================= */
+
+/* === P R O C E D U R E S ================================================= */
+
+/* === M E T H O D S ======================================================= */
+
+Action::LayerParamUnSetStatic::LayerParamUnSetStatic()
+{
+}
+
+Action::ParamVocab
+Action::LayerParamUnSetStatic::get_param_vocab()
+{
+       ParamVocab ret(Action::CanvasSpecific::get_param_vocab());
+
+       ret.push_back(ParamDesc("value_desc",Param::TYPE_VALUEDESC)
+               .set_local_name(_("Value Desc"))
+       );
+
+       return ret;
+}
+
+bool
+Action::LayerParamUnSetStatic::is_candidate(const ParamList &x)
+{
+       if(!candidate_check(get_param_vocab(),x))
+               return false;
+
+       ValueDesc value_desc(x.find("value_desc")->second.get_value_desc());
+
+       if(!value_desc.parent_is_layer_param())
+               return false;
+
+       synfig::ValueBase parameter;
+       synfig::Layer::Handle _layer;
+       synfig::String _param_name;
+       _layer = value_desc.get_layer();
+       _param_name = value_desc.get_param_name();
+
+       if(!_layer || _param_name.empty())
+               return false;
+
+       //!Check that the parameter is not Value Node (Const, Animated or Linkable)
+       if(_layer->dynamic_param_list().count(_param_name))
+               return false;
+
+       //! Retrieves the current parameter
+       parameter = _layer->get_param(_param_name);
+       //! Check if it is not static
+       if(!parameter.get_static())
+               return false;
+
+       return true;
+
+}
+
+bool
+Action::LayerParamUnSetStatic::set_param(const synfig::String& name, const Action::Param &param)
+{
+
+       if(!layer && name=="value_desc" && param.get_type()==Param::TYPE_VALUEDESC)
+       {
+               ValueDesc value_desc(param.get_value_desc());
+               if(!value_desc.parent_is_layer_param())
+                       return false;
+
+               layer=Layer::Handle::cast_dynamic(value_desc.get_layer());
+
+               if(!layer)
+                       return false;
+       }
+
+
+       if(param_name.empty() && name=="value_desc" && param.get_type()==Param::TYPE_VALUEDESC)
+       {
+               ValueDesc value_desc(param.get_value_desc());
+
+               if(!value_desc.parent_is_layer_param())
+                       return false;
+
+               param_name=value_desc.get_param_name();
+
+               if(param_name.empty())
+                       return false;
+
+       }
+
+       return Action::CanvasSpecific::set_param(name,param);
+}
+
+bool
+Action::LayerParamUnSetStatic::is_ready()const
+{
+       if(!layer || param_name.empty())
+               return false;
+
+       return Action::CanvasSpecific::is_ready();
+}
+
+void
+Action::LayerParamUnSetStatic::perform()
+{
+       //! See if the parameter is dynamic
+       if(layer->dynamic_param_list().count(param_name))
+               throw Error(_("This action is not for Value Nodes!"));
+
+       old_static_value=layer->get_param_static(param_name);
+
+       if(!layer->set_param_static(param_name,false))
+               throw Error(_("Layer did not accept static value."));
+
+       //! Signal layer changed
+       layer->changed();
+       //! Signal that a layer parameter changed
+       if(get_canvas_interface())
+               get_canvas_interface()->signal_layer_param_changed()(layer,param_name);
+}
+
+void
+Action::LayerParamUnSetStatic::undo()
+{
+       if(!layer->set_param(param_name,old_static_value))
+               throw Error(_("Layer did not accept parameter."));
+       //! Signal layer changed
+       layer->changed();
+       //! Signal that a layer parameter changed
+       if(get_canvas_interface())
+               get_canvas_interface()->signal_layer_param_changed()(layer,param_name);
+}