--- /dev/null
+/* === S Y N F I G ========================================================= */
+/*! \file layermove.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 "layermove.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_NO_GET_LOCAL_NAME(Action::LayerMove);
+ACTION_SET_NAME(Action::LayerMove,"LayerMove");
+ACTION_SET_LOCAL_NAME(Action::LayerMove,N_("Move Layer"));
+ACTION_SET_TASK(Action::LayerMove,"move");
+ACTION_SET_CATEGORY(Action::LayerMove,Action::CATEGORY_LAYER);
+ACTION_SET_PRIORITY(Action::LayerMove,0);
+ACTION_SET_VERSION(Action::LayerMove,"0.0");
+ACTION_SET_CVS_ID(Action::LayerMove,"$Id$");
+
+/* === G L O B A L S ======================================================= */
+
+static const int nindex=-1;
+
+/* === P R O C E D U R E S ================================================= */
+
+/* === M E T H O D S ======================================================= */
+
+Action::LayerMove::LayerMove():
+ new_index(0xdeadbeef)
+{
+}
+
+synfig::String
+Action::LayerMove::get_local_name()const
+{
+ if (layer)
+ return strprintf("%s '%s'", _("Move Layer"), layer->get_non_empty_description().c_str());
+ else
+ return _("Move Layer");
+}
+
+Action::ParamVocab
+Action::LayerMove::get_param_vocab()
+{
+ ParamVocab ret(Action::CanvasSpecific::get_param_vocab());
+
+ ret.push_back(ParamDesc("layer",Param::TYPE_LAYER)
+ .set_local_name(_("Layer"))
+ .set_desc(_("Layer to be moved"))
+ );
+
+ ret.push_back(ParamDesc("new_index",Param::TYPE_INTEGER)
+ .set_local_name(_("New Index"))
+ .set_desc(_("Where the layer is to be moved to"))
+ );
+
+ ret.push_back(ParamDesc("dest_canvas",Param::TYPE_CANVAS)
+ .set_local_name(_("Destination Canvas"))
+ .set_desc(_("The canvas the layer is to be moved to"))
+ .set_optional()
+ );
+
+ return ret;
+}
+
+bool
+Action::LayerMove::is_candidate(const ParamList &x)
+{
+ return candidate_check(get_param_vocab(),x);
+}
+
+bool
+Action::LayerMove::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_index" && param.get_type()==Param::TYPE_INTEGER)
+ {
+ new_index=param.get_integer();
+
+ return true;
+ }
+
+ if(name=="dest_canvas" && param.get_type()==Param::TYPE_CANVAS)
+ {
+ dest_canvas=param.get_canvas();
+
+ return true;
+ }
+
+ return Action::CanvasSpecific::set_param(name,param);
+}
+
+bool
+Action::LayerMove::is_ready()const
+{
+ // synfig::info(__FILE__":%d: layer->count()=%d",__LINE__,layer.count());
+ if(!layer || (unsigned)new_index==0xdeadbeef)
+ return false;
+ return Action::CanvasSpecific::is_ready();
+}
+
+void
+Action::LayerMove::perform()
+{
+ // synfig::info(__FILE__":%d: layer->count()=%d",__LINE__,layer.count());
+
+ Canvas::Handle subcanvas(layer->get_canvas());
+ src_canvas=subcanvas;
+ if(!dest_canvas)
+ dest_canvas=subcanvas;
+
+ // Find the iterator for the layer
+ Canvas::iterator iter=find(src_canvas->begin(),src_canvas->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."));
+
+ // synfig::info(__FILE__":%d: layer->count()=%d",__LINE__,layer.count());
+
+ // 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()!=dest_canvas->get_root() || get_canvas()->get_root()!=src_canvas->get_root())
+ throw Error(_("You cannot directly move layers across compositions"));
+
+ old_index=iter-src_canvas->begin();
+ int depth;
+
+ if(new_index<0)
+ depth=dest_canvas->size()+new_index+1;
+ else
+ depth=new_index;
+
+ set_dirty(layer->active());
+
+ // synfig::info(__FILE__":%d: layer->count()=%d",__LINE__,layer.count());
+
+ // If we were to move it to where it is
+ if(old_index==depth && src_canvas==dest_canvas)
+ return;
+
+ if(depth>dest_canvas->size())
+ depth=dest_canvas->size();
+ if(depth<0)
+ depth=0;
+
+ src_canvas->erase(iter);
+
+ dest_canvas->insert(dest_canvas->begin()+depth,layer);
+ layer->set_canvas(dest_canvas);
+
+ layer->changed();
+ dest_canvas->changed(); if(dest_canvas!=src_canvas) src_canvas->changed();
+
+ // synfig::info(__FILE__":%d: layer->count()=%d",__LINE__,layer.count());
+
+ if(get_canvas_interface())
+ {
+ if(src_canvas==dest_canvas)
+ {
+ if(new_index==old_index-1) // Raise
+ get_canvas_interface()->signal_layer_raised()(layer);
+ else if(new_index==old_index+1) // Lower
+ get_canvas_interface()->signal_layer_lowered()(layer);
+ else // Moved
+ {
+ get_canvas_interface()->signal_layer_moved()(layer,depth,dest_canvas);
+ }
+ }
+ else
+ {
+ get_canvas_interface()->signal_layer_moved()(layer,depth,dest_canvas);
+ }
+ }
+ else synfig::warning("CanvasInterface not set on action");
+
+ // synfig::info(__FILE__":%d: layer->count()=%d",__LINE__,layer.count());
+}
+
+void
+Action::LayerMove::undo()
+{
+ // Find the iterator for the layer
+ Canvas::iterator iter=find(dest_canvas->begin(),dest_canvas->end(),layer);
+
+ // If we couldn't find the layer in the canvas, then bail
+ if(*iter!=layer || (get_canvas()!=dest_canvas && !dest_canvas->is_inline()))
+ throw Error(_("This layer doesn't exist anymore."));
+
+ // If we were to move it to where it is
+ if(old_index==new_index && src_canvas==dest_canvas)
+ return;
+
+ // Mark ourselves as dirty if necessary
+ set_dirty(layer->active());
+
+ dest_canvas->erase(iter);
+
+ src_canvas->insert(src_canvas->begin()+old_index,layer);
+ layer->set_canvas(src_canvas);
+
+ layer->changed();
+ dest_canvas->changed(); if(dest_canvas!=src_canvas) src_canvas->changed();
+
+ // Execute any signals
+ if(get_canvas_interface())
+ {
+ if(src_canvas==dest_canvas)
+ {
+ if(new_index==old_index+1) // Raise
+ get_canvas_interface()->signal_layer_raised()(layer);
+ else if(new_index==old_index-1) // Lower
+ get_canvas_interface()->signal_layer_lowered()(layer);
+ else // Moved
+ {
+ get_canvas_interface()->signal_layer_moved()(layer,old_index,src_canvas);
+ }
+ }
+ else
+ {
+ get_canvas_interface()->signal_layer_moved()(layer,old_index,src_canvas);
+ //get_canvas_interface()->signal_layer_removed()(layer);
+ //get_canvas_interface()->signal_layer_inserted()(layer,old_index);
+ }
+ }
+ else synfig::warning("CanvasInterface not set on action");
+}
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