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

diff --git a/synfig-studio/trunk/src/synfigapp/actions/layeractivate.cpp b/synfig-studio/trunk/src/synfigapp/actions/layeractivate.cpp
new file mode 100644 (file)
index 0000000..e4c034c
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+++ b/synfig-studio/trunk/src/synfigapp/actions/layeractivate.cpp
@@ -0,0 +1,198 @@
+/* === S Y N F I G ========================================================= */
+/*!    \file layeractivate.cpp
+**     \brief Template File
+**
+**     $Id: layeractivate.cpp,v 1.1.1.1 2005/01/07 03:34:37 darco Exp $
+**
+**     \legal
+**     Copyright (c) 2002 Robert B. Quattlebaum Jr.
+**
+**     This software and associated documentation
+**     are CONFIDENTIAL and PROPRIETARY property of
+**     the above-mentioned copyright holder.
+**
+**     You may not copy, print, publish, or in any
+**     other way distribute this software without
+**     a prior written agreement with
+**     the copyright holder.
+**     \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: layeractivate.cpp,v 1.1.1.1 2005/01/07 03:34:37 darco Exp $");
+
+/* === 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_canidate(const ParamList &x)
+{
+       return canidate_check(get_param_vocab(),x);
+}
+
+bool
+Action::LayerActivate::set_param(const synfig::String& name, const Action::Param &param)
+{
+       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");
+}