1 /* === S Y N F I G ========================================================= */
2 /*! \file layerlower.cpp
3 ** \brief Template File
5 ** $Id: layerlower.cpp,v 1.1.1.1 2005/01/07 03:34:37 darco Exp $
8 ** Copyright (c) 2002 Robert B. Quattlebaum Jr.
10 ** This software and associated documentation
11 ** are CONFIDENTIAL and PROPRIETARY property of
12 ** the above-mentioned copyright holder.
14 ** You may not copy, print, publish, or in any
15 ** other way distribute this software without
16 ** a prior written agreement with
17 ** the copyright holder.
20 /* ========================================================================= */
22 /* === H E A D E R S ======================================================= */
31 #include "layerlower.h"
32 #include "layermove.h"
33 #include <synfigapp/canvasinterface.h>
39 using namespace synfig;
40 using namespace synfigapp;
41 using namespace Action;
43 /* === M A C R O S ========================================================= */
45 ACTION_INIT(Action::LayerLower);
46 ACTION_SET_NAME(Action::LayerLower,"layer_lower");
47 ACTION_SET_LOCAL_NAME(Action::LayerLower,"Lower Layer");
48 ACTION_SET_TASK(Action::LayerLower,"lower");
49 ACTION_SET_CATEGORY(Action::LayerLower,Action::CATEGORY_LAYER);
50 ACTION_SET_PRIORITY(Action::LayerLower,10);
51 ACTION_SET_VERSION(Action::LayerLower,"0.0");
52 ACTION_SET_CVS_ID(Action::LayerLower,"$Id: layerlower.cpp,v 1.1.1.1 2005/01/07 03:34:37 darco Exp $");
54 /* === G L O B A L S ======================================================= */
56 /* === P R O C E D U R E S ================================================= */
58 /* === M E T H O D S ======================================================= */
60 Action::LayerLower::LayerLower()
65 Action::LayerLower::get_param_vocab()
67 ParamVocab ret(Action::CanvasSpecific::get_param_vocab());
69 ret.push_back(ParamDesc("layer",Param::TYPE_LAYER)
70 .set_local_name(_("Layer"))
71 .set_desc(_("Layer to be lowered"))
72 .set_supports_multiple()
79 Action::LayerLower::is_canidate(const ParamList &x)
81 if(!canidate_check(get_param_vocab(),x))
84 Layer::Handle layer(x.find("layer")->second.get_layer());
85 //synfig::info("layer->get_depth()= %d ; layer->get_canvas()->size()=%d ;",layer->get_depth(),layer->get_canvas()->size());
86 if(layer->get_depth()+1>=layer->get_canvas()->size())
92 Action::LayerLower::set_param(const synfig::String& name, const Action::Param ¶m)
94 if(name=="layer" && param.get_type()==Param::TYPE_LAYER)
96 layers.push_back(param.get_layer());
101 return Action::CanvasSpecific::set_param(name,param);
105 Action::LayerLower::is_ready()const
109 return Action::CanvasSpecific::is_ready();
113 Action::LayerLower::prepare()
115 std::list<synfig::Layer::Handle>::const_iterator iter;
119 for(iter=layers.begin();iter!=layers.end();++iter)
121 Layer::Handle layer(*iter);
123 Canvas::Handle subcanvas(layer->get_canvas());
125 // Find the iterator for the layer
126 Canvas::iterator iter=find(subcanvas->begin(),subcanvas->end(),layer);
128 // If we couldn't find the layer in the canvas, then bail
130 throw Error(_("This layer doesn't exist anymore."));
132 // If the subcanvas isn't the same as the canvas,
133 // then it had better be an inline canvas. If not,
135 //if(get_canvas()!=subcanvas && !subcanvas->is_inline())
136 // throw Error(_("This layer doesn't belong to this canvas anymore"));
138 int new_index=iter-subcanvas->begin();
142 // If this lowers the layer past the bottom then don't bother
143 if(new_index==subcanvas->size())
146 Action::Handle layer_move(LayerMove::create());
148 layer_move->set_param("canvas",get_canvas());
149 layer_move->set_param("canvas_interface",get_canvas_interface());
150 layer_move->set_param("layer",layer);
151 layer_move->set_param("new_index",new_index);
153 add_action_front(layer_move);