--- /dev/null
+/* === S Y N F I G ========================================================= */
+/*! \file layeractivate.cpp
+** \brief Template File
+**
+** $Id$
+**
+** \legal
+** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
+**
+** 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 "layeractivate.h"
+#include <synfigapp/canvasinterface.h>
+
+#endif
+
+using namespace std;
+using namespace etl;
+using namespace synfig;
+using namespace synfigapp;
+using namespace Action;
+
+/* === M A C R O S ========================================================= */
+#define ACTION_INIT2(class) \
+ Action::Base* class::create() { return new class(); } \
+ synfig::String class::get_name()const { return name__; }
+
+ACTION_INIT2(Action::LayerActivate);
+ACTION_SET_NAME(Action::LayerActivate,"layer_activate");
+ACTION_SET_LOCAL_NAME(Action::LayerActivate,_("Activate Layer"));
+ACTION_SET_TASK(Action::LayerActivate,"activate");
+ACTION_SET_CATEGORY(Action::LayerActivate,Action::CATEGORY_LAYER);
+ACTION_SET_PRIORITY(Action::LayerActivate,0);
+ACTION_SET_VERSION(Action::LayerActivate,"0.0");
+ACTION_SET_CVS_ID(Action::LayerActivate,"$Id$");
+
+/* === 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::LayerActivate::LayerActivate()
+{
+}
+
+synfig::String
+Action::LayerActivate::get_local_name()const
+{
+ if(!layer)
+ return _("Activate Layer");
+ String name;
+ if(layer->get_description().empty())
+ name=layer->get_local_name();
+ else
+ name=layer->get_description();
+
+ return (new_status?_("Activate "):_("Deactivate "))+name;
+}
+
+Action::ParamVocab
+Action::LayerActivate::get_param_vocab()
+{
+ ParamVocab ret(Action::CanvasSpecific::get_param_vocab());
+
+ ret.push_back(ParamDesc("layer",Param::TYPE_LAYER)
+ .set_local_name(_("Layer"))
+ );
+
+ ret.push_back(ParamDesc("new_status",Param::TYPE_BOOL)
+ .set_local_name(_("New Status"))
+ .set_desc(_("The new status of the layer"))
+ );
+
+ return ret;
+}
+
+bool
+Action::LayerActivate::is_candidate(const ParamList &x)
+{
+ return candidate_check(get_param_vocab(),x);
+}
+
+bool
+Action::LayerActivate::set_param(const synfig::String& name, const Action::Param ¶m)
+{
+ if(name=="layer" && param.get_type()==Param::TYPE_LAYER)
+ {
+ layer=param.get_layer();
+
+ return true;
+ }
+
+ if(name=="new_status" && param.get_type()==Param::TYPE_BOOL)
+ {
+ new_status=param.get_bool();
+
+ return true;
+ }
+
+ return Action::CanvasSpecific::set_param(name,param);
+}
+
+bool
+Action::LayerActivate::is_ready()const
+{
+ if(!layer)
+ return false;
+ return Action::CanvasSpecific::is_ready();
+}
+
+void
+Action::LayerActivate::perform()
+{
+ Canvas::Handle subcanvas(layer->get_canvas());
+
+ // Find the iterator for the layer
+ Canvas::iterator iter=find(subcanvas->begin(),subcanvas->end(),layer);
+
+ // If we couldn't find the layer in the canvas, then bail
+ if(*iter!=layer)
+ throw Error(_("This layer doesn't exist anymore."));
+
+ // If the subcanvas isn't the same as the canvas,
+ // then it had better be an inline canvas. If not,
+ // bail
+ //if(get_canvas()!=subcanvas && !subcanvas->is_inline())
+ //if(get_canvas()->get_root()!=subcanvas->get_root())
+ // throw Error(_("This layer doesn't belong to this composition"));
+
+ old_status=layer->active();
+
+ // If we are changing the status to what it already is,
+ // the go ahead and return
+ if(new_status==old_status)
+ {
+ set_dirty(false);
+ return;
+ }
+ else
+ set_dirty();
+
+ if(new_status)
+ layer->enable();
+ else
+ layer->disable();
+
+ if(get_canvas_interface())
+ {
+ get_canvas_interface()->signal_layer_status_changed()(layer,new_status);
+ }
+ else synfig::warning("CanvasInterface not set on action");
+}
+
+void
+Action::LayerActivate::undo()
+{
+ // If we are changing the status to what it already is,
+ // the go ahead and return
+ if(new_status==old_status)
+ {
+ set_dirty(false);
+ return;
+ }
+ else
+ set_dirty();
+
+ // restore the old status
+ if(old_status)
+ layer->enable();
+ else
+ layer->disable();
+
+ if(get_canvas_interface())
+ {
+ get_canvas_interface()->signal_layer_status_changed()(layer,old_status);
+ }
+ else synfig::warning("CanvasInterface not set on action");
+}