synfig-studio/trunk/src/synfigapp/actions/layerduplicate.cpp

   1 /* === S Y N F I G ========================================================= */
   2 /*!     \file layerduplicate.cpp
   3 **      \brief Template File
   4 **
   5 **      $Id: layerduplicate.cpp,v 1.1.1.1 2005/01/07 03:34:37 darco Exp $
   6 **
   7 **      \legal
   8 **      Copyright (c) 2002 Robert B. Quattlebaum Jr.
   9 **
  10 **      This software and associated documentation
  11 **      are CONFIDENTIAL and PROPRIETARY property of
  12 **      the above-mentioned copyright holder.
  13 **
  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.
  18 **      \endlegal
  19 */
  20 /* ========================================================================= */
  21
  22 /* === H E A D E R S ======================================================= */
  23
  24 #ifdef USING_PCH
  25 #       include "pch.h"
  26 #else
  27 #ifdef HAVE_CONFIG_H
  28 #       include <config.h>
  29 #endif
  30
  31 #include "layerduplicate.h"
  32 #include "layeradd.h"
  33 #include <synfigapp/canvasinterface.h>
  34
  35 #endif
  36
  37 using namespace std;
  38 using namespace etl;
  39 using namespace synfig;
  40 using namespace synfigapp;
  41 using namespace Action;
  42
  43 /* === M A C R O S ========================================================= */
  44
  45 ACTION_INIT(Action::LayerDuplicate);
  46 ACTION_SET_NAME(Action::LayerDuplicate,"layer_duplicate");
  47 ACTION_SET_LOCAL_NAME(Action::LayerDuplicate,"Duplicate Layer");
  48 ACTION_SET_TASK(Action::LayerDuplicate,"duplicate");
  49 ACTION_SET_CATEGORY(Action::LayerDuplicate,Action::CATEGORY_LAYER);
  50 ACTION_SET_PRIORITY(Action::LayerDuplicate,0);
  51 ACTION_SET_VERSION(Action::LayerDuplicate,"0.0");
  52 ACTION_SET_CVS_ID(Action::LayerDuplicate,"$Id: layerduplicate.cpp,v 1.1.1.1 2005/01/07 03:34:37 darco Exp $");
  53
  54 /* === G L O B A L S ======================================================= */
  55
  56 /* === P R O C E D U R E S ================================================= */
  57
  58 /* === M E T H O D S ======================================================= */
  59
  60 Action::LayerDuplicate::LayerDuplicate()
  61 {
  62 }
  63
  64 Action::ParamVocab
  65 Action::LayerDuplicate::get_param_vocab()
  66 {
  67         ParamVocab ret(Action::CanvasSpecific::get_param_vocab());
  68
  69         ret.push_back(ParamDesc("layer",Param::TYPE_LAYER)
  70                 .set_local_name(_("Layer"))
  71                 .set_desc(_("Layer to be duplicated"))
  72                 .set_supports_multiple()
  73         );
  74
  75         return ret;
  76 }
  77
  78 bool
  79 Action::LayerDuplicate::is_canidate(const ParamList &x)
  80 {
  81         return canidate_check(get_param_vocab(),x);
  82 }
  83
  84 bool
  85 Action::LayerDuplicate::set_param(const synfig::String& name, const Action::Param &param)
  86 {
  87         if(name=="layer" && param.get_type()==Param::TYPE_LAYER)
  88         {
  89                 layers.push_back(param.get_layer());
  90
  91                 return true;
  92         }
  93
  94         return Action::CanvasSpecific::set_param(name,param);
  95 }
  96
  97 bool
  98 Action::LayerDuplicate::is_ready()const
  99 {
 100         if(layers.empty())
 101                 return false;
 102         return Action::CanvasSpecific::is_ready();
 103 }
 104
 105 void
 106 Action::LayerDuplicate::prepare()
 107 {
 108         if(!first_time())
 109                 return;
 110
 111         std::list<synfig::Layer::Handle>::const_iterator iter;
 112
 113         for(iter=layers.begin();iter!=layers.end();++iter)
 114         {
 115                 Layer::Handle layer(*iter);
 116
 117                 Canvas::Handle subcanvas(layer->get_canvas());
 118
 119                 // Find the iterator for the layer
 120                 Canvas::iterator iter=find(subcanvas->begin(),subcanvas->end(),layer);
 121
 122                 // If we couldn't find the layer in the canvas, then bail
 123                 if(*iter!=layer)
 124                         throw Error(_("This layer doesn't exist anymore."));
 125
 126                 // If the subcanvas isn't the same as the canvas,
 127                 // then it had better be an inline canvas. If not,
 128                 // bail
 129                 if(get_canvas()!=subcanvas && !subcanvas->is_inline())
 130                         throw Error(_("This layer doesn't belong to this canvas anymore"));
 131
 132                 Layer::Handle new_layer(layer->clone(guid));
 133
 134                 {
 135                         Action::Handle action(Action::create("layer_move"));
 136
 137                         action->set_param("canvas",subcanvas);
 138                         action->set_param("canvas_interface",get_canvas_interface());
 139                         action->set_param("layer",new_layer);
 140                         action->set_param("new_index",layers.front()->get_depth());
 141
 142                         add_action_front(action);
 143                 }
 144                 {
 145                         Action::Handle action(Action::create("layer_add"));
 146
 147                         action->set_param("canvas",subcanvas);
 148                         action->set_param("canvas_interface",get_canvas_interface());
 149                         action->set_param("new",new_layer);
 150
 151                         add_action_front(action);
 152                 }
 153         }
 154 }