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

   1 /* === S Y N F I G ========================================================= */
   2 /*!     \file valuedescexport.cpp
   3 **      \brief Template File
   4 **
   5 **      $Id$
   6 **
   7 **      \legal
   8 **      Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
   9 **      Copyright (c) 2008 Chris Moore
  10 **
  11 **      This package is free software; you can redistribute it and/or
  12 **      modify it under the terms of the GNU General Public License as
  13 **      published by the Free Software Foundation; either version 2 of
  14 **      the License, or (at your option) any later version.
  15 **
  16 **      This package is distributed in the hope that it will be useful,
  17 **      but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 **      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  19 **      General Public License for more details.
  20 **      \endlegal
  21 */
  22 /* ========================================================================= */
  23
  24 /* === H E A D E R S ======================================================= */
  25
  26 #ifdef USING_PCH
  27 #       include "pch.h"
  28 #else
  29 #ifdef HAVE_CONFIG_H
  30 #       include <config.h>
  31 #endif
  32
  33 #include "valuenodeadd.h"
  34
  35 #include "canvasadd.h"
  36 #include "valuedescexport.h"
  37 #include "layerparamconnect.h"
  38 #include "layerparamset.h"
  39
  40 #include <synfigapp/canvasinterface.h>
  41 #include <synfig/valuenode_const.h>
  42
  43 #include <synfigapp/general.h>
  44
  45 #endif
  46
  47 using namespace std;
  48 using namespace etl;
  49 using namespace synfig;
  50 using namespace synfigapp;
  51 using namespace Action;
  52
  53 /* === M A C R O S ========================================================= */
  54
  55 ACTION_INIT_NO_GET_LOCAL_NAME(Action::ValueDescExport);
  56 ACTION_SET_NAME(Action::ValueDescExport,"ValueDescExport");
  57 ACTION_SET_LOCAL_NAME(Action::ValueDescExport,N_("Export"));
  58 ACTION_SET_TASK(Action::ValueDescExport,"export");
  59 ACTION_SET_CATEGORY(Action::ValueDescExport,Action::CATEGORY_VALUEDESC);
  60 ACTION_SET_PRIORITY(Action::ValueDescExport,0);
  61 ACTION_SET_VERSION(Action::ValueDescExport,"0.0");
  62 ACTION_SET_CVS_ID(Action::ValueDescExport,"$Id$");
  63
  64 /* === G L O B A L S ======================================================= */
  65
  66 /* === P R O C E D U R E S ================================================= */
  67
  68 /* === M E T H O D S ======================================================= */
  69
  70 Action::ValueDescExport::ValueDescExport()
  71 {
  72 }
  73
  74 synfig::String
  75 Action::ValueDescExport::get_local_name()const
  76 {
  77         // TRANSLATORS: This is used in the 'history' dialog when a ValueNode is exported.  The first %s is what is exported, the 2nd is the name it is given.
  78         return strprintf(_("Export '%s' as '%s'"),
  79                                          value_desc.get_description(false).c_str(),
  80                                          name.c_str());
  81 }
  82
  83 Action::ParamVocab
  84 Action::ValueDescExport::get_param_vocab()
  85 {
  86         ParamVocab ret(Action::CanvasSpecific::get_param_vocab());
  87
  88         ret.push_back(ParamDesc("value_desc",Param::TYPE_VALUEDESC)
  89                 .set_local_name(_("ValueDesc"))
  90         );
  91
  92         ret.push_back(ParamDesc("name",Param::TYPE_STRING)
  93                 .set_local_name(_("Name"))
  94                 .set_desc(_("The name that you want this value to be exported as"))
  95                 .set_user_supplied()
  96         );
  97
  98         return ret;
  99 }
 100
 101 bool
 102 Action::ValueDescExport::is_candidate(const ParamList &x)
 103 {
 104         if(candidate_check(get_param_vocab(),x))
 105         {
 106                 ValueDesc value_desc=x.find("value_desc")->second.get_value_desc();
 107                 if(!value_desc ||
 108                    value_desc.parent_is_canvas() ||
 109                    (value_desc.is_value_node() && value_desc.get_value_node()->is_exported()) ||
 110                    (value_desc.get_value_type()==ValueBase::TYPE_CANVAS && !value_desc.get_value().get(Canvas::Handle())->is_inline()))
 111                 {
 112 //                      if (!value_desc)
 113 //                              synfig::info("%s:%d no export because no value_desc", __FILE__, __LINE__);
 114 //                      else if (value_desc.parent_is_canvas())
 115 //                              synfig::info("%s:%d no export because parent is canvas", __FILE__, __LINE__);
 116 //                      else if (value_desc.is_value_node() && value_desc.get_value_node()->is_exported())
 117 //                              synfig::info("%s:%d no export because exported value node", __FILE__, __LINE__);
 118 //                      else if (value_desc.get_value_type()==ValueBase::TYPE_CANVAS && !value_desc.get_value().get(Canvas::Handle())->is_inline())
 119 //                              synfig::info("%s:%d no export because canvas isn't inline", __FILE__, __LINE__);
 120
 121                         return false;
 122                 }
 123                 return true;
 124         }
 125         return false;
 126 }
 127
 128 bool
 129 Action::ValueDescExport::set_param(const synfig::String& param_name, const Action::Param &param)
 130 {
 131         if(param_name=="value_desc" && param.get_type()==Param::TYPE_VALUEDESC)
 132         {
 133                 value_desc=param.get_value_desc();
 134
 135                 return true;
 136         }
 137
 138         if(param_name=="name" && param.get_type()==Param::TYPE_STRING)
 139         {
 140                 name=param.get_string();
 141
 142                 return true;
 143         }
 144
 145         return Action::CanvasSpecific::set_param(param_name,param);
 146 }
 147
 148 bool
 149 Action::ValueDescExport::is_ready()const
 150 {
 151         if(!value_desc || name.empty())
 152                 return false;
 153         return Action::CanvasSpecific::is_ready();
 154 }
 155
 156 void
 157 Action::ValueDescExport::prepare()
 158 {
 159         clear();
 160
 161         ValueNode::Handle value_node;
 162
 163         if(value_desc.get_value_type()==ValueBase::TYPE_CANVAS)
 164         {
 165                 // action: CanvasAdd
 166                 if(!value_desc.is_const())
 167                         throw Error(_("Can only export Canvas when used as constant parameter"));
 168                 Canvas::Handle canvas(value_desc.get_value().get(Canvas::Handle()));
 169                 if (canvas) canvas=canvas->clone();
 170
 171                 Action::Handle action(CanvasAdd::create());
 172
 173                 action->set_param("canvas",get_canvas());
 174                 action->set_param("canvas_interface",get_canvas_interface());
 175                 action->set_param("src",canvas);
 176                 action->set_param("id",name);
 177
 178                 assert(action->is_ready());
 179                 if(!action->is_ready())
 180                         throw Error(Error::TYPE_NOTREADY);
 181
 182                 add_action_front(action);
 183
 184                 if(value_desc.parent_is_layer_param() && !value_desc.is_value_node())
 185                 {
 186                         // action: LayerParamSet
 187                         Action::Handle action(LayerParamSet::create());
 188
 189                         action->set_param("canvas",get_canvas());
 190                         action->set_param("canvas_interface",get_canvas_interface());
 191                         action->set_param("layer",value_desc.get_layer());
 192                         action->set_param("param",value_desc.get_param_name());
 193                         action->set_param("new_value",ValueBase(canvas));
 194
 195                         assert(action->is_ready());
 196                         if(!action->is_ready())
 197                                 throw Error(Error::TYPE_NOTREADY);
 198
 199                         add_action_front(action);
 200                 }
 201
 202                 return;
 203         }
 204
 205         if(value_desc.is_value_node())
 206         {
 207                 if(value_desc.get_value_node()->is_exported())
 208                         throw Error(_("ValueBase is already exported"));
 209
 210                 value_node=value_desc.get_value_node();
 211         }
 212         else
 213         {
 214                 // action: LayerParamConnect
 215                 if(!value_desc.parent_is_layer_param())
 216                         throw Error(_("Unable to export parameter. (Bug?)"));
 217
 218                 value_node=ValueNode_Const::create(value_desc.get_value());
 219
 220                 Action::Handle action(LayerParamConnect::create());
 221
 222                 action->set_param("canvas",get_canvas());
 223                 action->set_param("canvas_interface",get_canvas_interface());
 224                 action->set_param("layer",value_desc.get_layer());
 225                 action->set_param("param",value_desc.get_param_name());
 226                 action->set_param("value_node",value_node);
 227
 228                 assert(action->is_ready());
 229                 if(!action->is_ready())
 230                         throw Error(Error::TYPE_NOTREADY);
 231
 232                 add_action_front(action);
 233         }
 234
 235         // action: ValueNodeAdd
 236         Action::Handle action(ValueNodeAdd::create());
 237
 238         action->set_param("canvas",get_canvas());
 239         action->set_param("canvas_interface",get_canvas_interface());
 240         action->set_param("new",value_node);
 241         action->set_param("name",name);
 242
 243         assert(action->is_ready());
 244         if(!action->is_ready())
 245                 throw Error(Error::TYPE_NOTREADY);
 246
 247         add_action_front(action);
 248 }