--- /dev/null
+/* === S Y N F I G ========================================================= */
+/*! \file layerencapsulate.cpp
+** \brief Template File
+**
+** $Id$
+**
+** \legal
+** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
+** Copyright (c) 2007, 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 "layerencapsulate.h"
+#include "layeradd.h"
+#include "layerremove.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::LayerEncapsulate);
+ACTION_SET_NAME(Action::LayerEncapsulate,"layer_encapsulate");
+ACTION_SET_LOCAL_NAME(Action::LayerEncapsulate,N_("Encapsulate"));
+ACTION_SET_TASK(Action::LayerEncapsulate,"encapsulate");
+ACTION_SET_CATEGORY(Action::LayerEncapsulate,Action::CATEGORY_LAYER);
+ACTION_SET_PRIORITY(Action::LayerEncapsulate,0);
+ACTION_SET_VERSION(Action::LayerEncapsulate,"0.0");
+ACTION_SET_CVS_ID(Action::LayerEncapsulate,"$Id$");
+
+/* === 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::LayerEncapsulate::LayerEncapsulate()
+{
+}
+
+synfig::String
+Action::LayerEncapsulate::get_local_name()const
+{
+ return get_layer_descriptions(layers, _("Encapsulate Layer"), _("Encapsulate Layers"));
+}
+
+Action::ParamVocab
+Action::LayerEncapsulate::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 encapsulated"))
+ .set_supports_multiple()
+ );
+
+ return ret;
+}
+
+bool
+Action::LayerEncapsulate::is_candidate(const ParamList &x)
+{
+ return candidate_check(get_param_vocab(),x);
+}
+
+bool
+Action::LayerEncapsulate::set_param(const synfig::String& name, const Action::Param ¶m)
+{
+ if(name=="layer" && param.get_type()==Param::TYPE_LAYER)
+ {
+ layers.push_back(param.get_layer());
+
+ return true;
+ }
+
+ return Action::CanvasSpecific::set_param(name,param);
+}
+
+bool
+Action::LayerEncapsulate::is_ready()const
+{
+ if(layers.empty())
+ return false;
+ return Action::CanvasSpecific::is_ready();
+}
+
+int
+Action::LayerEncapsulate::lowest_depth()const
+{
+ std::list<synfig::Layer::Handle>::const_iterator iter;
+ int lowest_depth(0x7fffffff);
+
+ for(iter=layers.begin();iter!=layers.end();++iter)
+ {
+ int depth((*iter)->get_depth());
+ if(depth<lowest_depth)
+ lowest_depth=depth;
+ }
+ if(lowest_depth==0x7fffffff)
+ return 0;
+ return lowest_depth;
+}
+
+void
+Action::LayerEncapsulate::prepare()
+{
+
+ if(!first_time())
+ return;
+
+ if(layers.empty())
+ throw Error(_("No layers to encapsulate"));
+
+ // First create the new canvas and layer
+ if(!child_canvas)
+ child_canvas=Canvas::create_inline(get_canvas());
+
+ Layer::Handle new_layer(Layer::create("PasteCanvas"));
+
+ new_layer->set_param("canvas",child_canvas);
+
+ int target_depth(lowest_depth());
+
+ // Add the layer
+ {
+ Action::Handle action(LayerAdd::create());
+
+ action->set_param("canvas",get_canvas());
+ action->set_param("canvas_interface",get_canvas_interface());
+ action->set_param("new",new_layer);
+
+ add_action(action);
+ }
+
+ // Move the layer
+ {
+ Action::Handle action(Action::create("layer_move"));
+
+ assert(action);
+
+ action->set_param("canvas",get_canvas());
+ action->set_param("canvas_interface",get_canvas_interface());
+ action->set_param("layer",new_layer);
+ action->set_param("new_index",target_depth);
+
+ add_action(action);
+ }
+
+ std::list<synfig::Layer::Handle>::reverse_iterator iter;
+
+ for(iter=layers.rbegin();iter!=layers.rend();++iter)
+ {
+ Layer::Handle layer(*iter);
+
+ 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(!subcanvas)
+ throw Error(_("This layer doesn't have a parent canvas"));
+
+ // 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())
+ throw Error(_("This layer doesn't belong to this canvas anymore"));
+
+ if(get_canvas()!=subcanvas)
+ throw Error(_("get_canvas()!=subcanvas"));
+
+ // Remove the layer from the old canvas
+ {
+ Action::Handle action(LayerRemove::create());
+
+ action->set_param("canvas",subcanvas);
+ action->set_param("canvas_interface",get_canvas_interface());
+ action->set_param("layer",layer);
+
+ add_action(action);
+ }
+ // Add the layer to the new canvas
+ {
+ Action::Handle action(LayerAdd::create());
+
+ action->set_param("canvas",child_canvas);
+ action->set_param("canvas_interface",get_canvas_interface());
+ action->set_param("new",layer);
+
+ add_action(action);
+ }
+ }
+}
projects / synfig.git / blobdiff