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

   1 /* === S Y N F I G ========================================================= */
   2 /*!     \file valuedescconvert.cpp
   3 **      \brief Template File
   4 **
   5 **      $Id$
   6 **
   7 **      \legal
   8 **      Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
   9 **
  10 **      This package is free software; you can redistribute it and/or
  11 **      modify it under the terms of the GNU General Public License as
  12 **      published by the Free Software Foundation; either version 2 of
  13 **      the License, or (at your option) any later version.
  14 **
  15 **      This package is distributed in the hope that it will be useful,
  16 **      but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 **      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  18 **      General Public License for more details.
  19 **      \endlegal
  20 */
  21 /* ========================================================================= */
  22
  23 /* === H E A D E R S ======================================================= */
  24
  25 #ifdef USING_PCH
  26 #       include "pch.h"
  27 #else
  28 #ifdef HAVE_CONFIG_H
  29 #       include <config.h>
  30 #endif
  31
  32 /*
  33 #include "valuenodereplace.h"
  34 #include "layerparamconnect.h"
  35 #include "valuenodelinkconnect.h"
  36 */
  37
  38 #include "valuedescconnect.h"
  39
  40 #include "valuedescconvert.h"
  41
  42 #include <synfigapp/canvasinterface.h>
  43 #include <synfig/valuenode_const.h>
  44
  45 #include <synfigapp/general.h>
  46
  47 #endif
  48
  49 using namespace std;
  50 using namespace etl;
  51 using namespace synfig;
  52 using namespace synfigapp;
  53 using namespace Action;
  54
  55 /* === M A C R O S ========================================================= */
  56
  57 ACTION_INIT_NO_GET_LOCAL_NAME(Action::ValueDescConvert);
  58 ACTION_SET_NAME(Action::ValueDescConvert,"value_desc_convert");
  59 ACTION_SET_LOCAL_NAME(Action::ValueDescConvert,N_("Convert"));
  60 ACTION_SET_TASK(Action::ValueDescConvert,"convert");
  61 ACTION_SET_CATEGORY(Action::ValueDescConvert,Action::CATEGORY_VALUEDESC);
  62 ACTION_SET_PRIORITY(Action::ValueDescConvert,0);
  63 ACTION_SET_VERSION(Action::ValueDescConvert,"0.0");
  64 ACTION_SET_CVS_ID(Action::ValueDescConvert,"$Id$");
  65
  66 /* === G L O B A L S ======================================================= */
  67
  68 /* === P R O C E D U R E S ================================================= */
  69
  70 /* === M E T H O D S ======================================================= */
  71
  72 Action::ValueDescConvert::ValueDescConvert()
  73 {
  74         time=(Time::begin()-1);
  75 }
  76
  77 synfig::String
  78 Action::ValueDescConvert::get_local_name()const
  79 {
  80         // TRANSLATORS: This is used in the 'history' dialog when a ValueNode is converted.  The first %s is what is converted, the 2nd is the local name of the ValueNode's type.
  81         return strprintf(_("Convert '%s' to ValueNode type '%s'"),
  82                                          value_desc.get_description().c_str(),
  83                                          LinkableValueNode::book()[type].local_name.c_str());
  84 }
  85
  86 Action::ParamVocab
  87 Action::ValueDescConvert::get_param_vocab()
  88 {
  89         ParamVocab ret(Action::CanvasSpecific::get_param_vocab());
  90
  91         ret.push_back(ParamDesc("value_desc",Param::TYPE_VALUEDESC)
  92                 .set_local_name(_("ValueDesc"))
  93         );
  94
  95         ret.push_back(ParamDesc("type",Param::TYPE_STRING)
  96                 .set_local_name(_("Type"))
  97                 .set_desc(_("The type of ValueNode that you want to be converted to"))
  98         );
  99
 100         ret.push_back(ParamDesc("time",Param::TYPE_TIME)
 101                 .set_local_name(_("Time"))
 102         );
 103
 104         return ret;
 105 }
 106
 107 bool
 108 Action::ValueDescConvert::is_candidate(const ParamList &x)
 109 {
 110         return candidate_check(get_param_vocab(),x);
 111 }
 112
 113 bool
 114 Action::ValueDescConvert::set_param(const synfig::String& name, const Action::Param &param)
 115 {
 116         if(name=="value_desc" && param.get_type()==Param::TYPE_VALUEDESC)
 117         {
 118                 value_desc=param.get_value_desc();
 119
 120                 return true;
 121         }
 122
 123         if(name=="type" && param.get_type()==Param::TYPE_STRING)
 124         {
 125                 type=param.get_string();
 126
 127                 return true;
 128         }
 129
 130         if(name=="time" && param.get_type()==Param::TYPE_TIME)
 131         {
 132                 time=param.get_time();
 133
 134                 return true;
 135         }
 136
 137         return Action::CanvasSpecific::set_param(name,param);
 138 }
 139
 140 bool
 141 Action::ValueDescConvert::is_ready()const
 142 {
 143         if(!value_desc || type.empty())
 144                 return false;
 145         if(time==(Time::begin()-1))
 146         {
 147                 synfig::error("Missing time");
 148                 return false;
 149         }
 150         return Action::CanvasSpecific::is_ready();
 151 }
 152
 153 void
 154 Action::ValueDescConvert::prepare()
 155 {
 156         clear();
 157
 158         ValueBase value;
 159
 160         if(value_desc.is_const())
 161                 value=value_desc.get_value();
 162         else if(value_desc.is_value_node())
 163                 value=(*value_desc.get_value_node())(time);
 164         else
 165                 throw Error(_("Unable to decipher ValueDesc (Bug?)"));
 166
 167         ValueNode::Handle src_value_node(LinkableValueNode::create(type,value));
 168
 169         if(!src_value_node)
 170                 throw Error(_("Unable to create new value node"));
 171
 172
 173         ValueNode::Handle dest_value_node;
 174         dest_value_node=value_desc.get_value_node();
 175
 176         Action::Handle action(ValueDescConnect::create());
 177
 178         action->set_param("canvas",get_canvas());
 179         action->set_param("canvas_interface",get_canvas_interface());
 180         action->set_param("src",src_value_node);
 181         action->set_param("dest",value_desc);
 182
 183         assert(action->is_ready());
 184         if(!action->is_ready())
 185                 throw Error(Error::TYPE_NOTREADY);
 186
 187         add_action_front(action);
 188
 189 /*
 190         return;
 191
 192
 193         if(value_desc.parent_is_canvas())
 194         {
 195                 ValueNode::Handle dest_value_node;
 196                 dest_value_node=value_desc.get_value_node();
 197
 198                 Action::Handle action(ValueNodeReplace::create());
 199
 200                 action->set_param("canvas",get_canvas());
 201                 action->set_param("canvas_interface",get_canvas_interface());
 202                 action->set_param("src",src_value_node);
 203                 action->set_param("dest",dest_value_node);
 204
 205                 assert(action->is_ready());
 206                 if(!action->is_ready())
 207                         throw Error(Error::TYPE_NOTREADY);
 208
 209                 add_action_front(action);
 210                 return;
 211         }
 212         else
 213         if(value_desc.parent_is_linkable_value_node())
 214         {
 215                 Action::Handle action(ValueNodeLinkConnect::create());
 216
 217                 action->set_param("canvas",get_canvas());
 218                 action->set_param("canvas_interface",get_canvas_interface());
 219                 action->set_param("parent_value_node",value_desc.get_parent_value_node());
 220                 action->set_param("value_node", src_value_node);
 221                 action->set_param("index",value_desc.get_index());
 222
 223                 assert(action->is_ready());
 224                 if(!action->is_ready())
 225                         throw Error(Error::TYPE_NOTREADY);
 226
 227                 add_action_front(action);
 228                 return;
 229         }
 230         else
 231         if(value_desc.parent_is_layer_param())
 232         {
 233                 Action::Handle action(LayerParamConnect::create());
 234
 235                 action->set_param("canvas",get_canvas());
 236                 action->set_param("canvas_interface",get_canvas_interface());
 237                 action->set_param("layer",value_desc.get_layer());
 238                 action->set_param("param",value_desc.get_param_name());
 239                 action->set_param("value_node",src_value_node);
 240
 241                 assert(action->is_ready());
 242                 if(!action->is_ready())
 243                         throw Error(Error::TYPE_NOTREADY);
 244
 245                 add_action_front(action);
 246                 return;
 247         }
 248
 249
 250
 251         throw Error(_("ValueDesc is not recognized or supported."));
 252 */
 253 }