Remove ancient trunk folder from svn repository
[synfig.git] / synfig-studio / src / synfigapp / actions / valuedescdisconnect.cpp
diff --git a/synfig-studio/src/synfigapp/actions/valuedescdisconnect.cpp b/synfig-studio/src/synfigapp/actions/valuedescdisconnect.cpp
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+/* === S Y N F I G ========================================================= */
+/*!    \file valuedescdisconnect.cpp
+**     \brief Template File
+**
+**     $Id$
+**
+**     \legal
+**     Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
+**     Copyright (c) 2008 Chris Moore
+**
+**     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 "layerparamdisconnect.h"
+#include "waypointdisconnect.h"
+#include "valuenodelinkdisconnect.h"
+#include "valuenodereplace.h"
+
+#include "valuedescdisconnect.h"
+#include <synfigapp/canvasinterface.h>
+#include <synfig/valuenode_const.h>
+#include <synfig/valuenode_duplicate.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_NO_GET_LOCAL_NAME(Action::ValueDescDisconnect);
+ACTION_SET_NAME(Action::ValueDescDisconnect,"ValueDescDisconnect");
+ACTION_SET_LOCAL_NAME(Action::ValueDescDisconnect,N_("Disconnect"));
+ACTION_SET_TASK(Action::ValueDescDisconnect,"disconnect");
+ACTION_SET_CATEGORY(Action::ValueDescDisconnect,Action::CATEGORY_VALUEDESC);
+ACTION_SET_PRIORITY(Action::ValueDescDisconnect,-100);
+ACTION_SET_VERSION(Action::ValueDescDisconnect,"0.0");
+ACTION_SET_CVS_ID(Action::ValueDescDisconnect,"$Id$");
+
+/* === 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::ValueDescDisconnect::ValueDescDisconnect():
+       time(0)
+{
+}
+
+synfig::String
+Action::ValueDescDisconnect::get_local_name()const
+{
+  // TRANSLATORS: This is used in the History dialog when a ValueNode is disconnected.
+  return strprintf(_("Disconnect %s"),
+                   value_desc
+                   ? value_desc.get_description().c_str()
+                   : _("ValueDesc"));
+}
+
+Action::ParamVocab
+Action::ValueDescDisconnect::get_param_vocab()
+{
+       ParamVocab ret(Action::CanvasSpecific::get_param_vocab());
+
+       ret.push_back(ParamDesc("value_desc",Param::TYPE_VALUEDESC)
+               .set_local_name(_("ValueDesc"))
+       );
+
+       ret.push_back(ParamDesc("time",Param::TYPE_TIME)
+               .set_local_name(_("Time"))
+               .set_optional()
+       );
+
+       return ret;
+}
+
+bool
+Action::ValueDescDisconnect::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());
+
+       // don't allow the Index parameter of the Duplicate layer to be disconnected
+       if(value_desc.parent_is_layer_param() && value_desc.get_layer()->get_name() == "duplicate" && value_desc.get_param_name() == "index")
+               return false;
+       if(!value_desc.parent_is_canvas() && value_desc.is_value_node() && value_desc.get_value_node()->rcount()>1)
+               return true;
+       if(value_desc.is_const())
+               return false;
+       if(value_desc.is_value_node() && ValueNode_Const::Handle::cast_dynamic(value_desc.get_value_node()))
+               return false;
+       // don't allow Duplicate ValueNodes in the Children dialog to be disconnected
+       if(value_desc.is_value_node() &&
+          ValueNode_Duplicate::Handle::cast_dynamic(value_desc.get_value_node()) &&
+          !value_desc.parent_is_layer_param() &&
+          !value_desc.parent_is_value_node())
+               return false;
+       return true;
+}
+
+bool
+Action::ValueDescDisconnect::set_param(const synfig::String& name, const Action::Param &param)
+{
+       if(name=="value_desc" && param.get_type()==Param::TYPE_VALUEDESC)
+       {
+               value_desc=param.get_value_desc();
+
+               return true;
+       }
+
+       if(name=="time" && param.get_type()==Param::TYPE_TIME)
+       {
+               time=param.get_time();
+
+               return true;
+       }
+
+       return Action::CanvasSpecific::set_param(name,param);
+}
+
+bool
+Action::ValueDescDisconnect::is_ready()const
+{
+       if(!value_desc)
+               return false;
+       return Action::CanvasSpecific::is_ready();
+}
+
+void
+Action::ValueDescDisconnect::prepare()
+{
+       clear();
+
+       if(value_desc.parent_is_canvas())
+       {
+               ValueNode::Handle src_value_node;
+               src_value_node=ValueNode_Const::create((*value_desc.get_value_node())(time));
+
+               Action::Handle action(ValueNodeReplace::create());
+
+               action->set_param("canvas",get_canvas());
+               action->set_param("canvas_interface",get_canvas_interface());
+               action->set_param("src",src_value_node);
+               action->set_param("dest",value_desc.get_value_node());
+
+               assert(action->is_ready());
+               if(!action->is_ready())
+                       throw Error(Error::TYPE_NOTREADY);
+
+               add_action_front(action);
+               return;
+       }
+       else
+       if(value_desc.parent_is_waypoint())
+       {
+               Action::Handle action(WaypointDisconnect::create());
+
+               action->set_param("canvas",get_canvas());
+               action->set_param("canvas_interface",get_canvas_interface());
+               action->set_param("parent_value_node",value_desc.get_parent_value_node());
+               action->set_param("waypoint_time",value_desc.get_waypoint_time());
+               action->set_param("time",time);
+
+               assert(action->is_ready());
+               if(!action->is_ready())
+                       throw Error(Error::TYPE_NOTREADY);
+
+               add_action_front(action);
+               return;
+       }
+       else
+       if(value_desc.parent_is_linkable_value_node())
+       {
+               Action::Handle action(ValueNodeLinkDisconnect::create());
+
+               action->set_param("canvas",get_canvas());
+               action->set_param("canvas_interface",get_canvas_interface());
+               action->set_param("parent_value_node",value_desc.get_parent_value_node());
+               action->set_param("index",value_desc.get_index());
+               action->set_param("time",time);
+
+               assert(action->is_ready());
+               if(!action->is_ready())
+                       throw Error(Error::TYPE_NOTREADY);
+
+               add_action_front(action);
+               return;
+       }
+       else
+       if(value_desc.parent_is_layer_param())
+       {
+               Action::Handle action(LayerParamDisconnect::create());
+
+               action->set_param("canvas",get_canvas());
+               action->set_param("canvas_interface",get_canvas_interface());
+               action->set_param("layer",value_desc.get_layer());
+               action->set_param("param",value_desc.get_param_name());
+               action->set_param("time",time);
+
+               assert(action->is_ready());
+               if(!action->is_ready())
+                       throw Error(Error::TYPE_NOTREADY);
+
+               add_action_front(action);
+               return;
+       }
+
+       throw Error(_("ValueDesc is not recognized or supported."));
+}