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.  %s is the local name of the valuenode's type.
  81         return strprintf(_("Convert to '%s'"), LinkableValueNode::book()[type].local_name.c_str());
  82 }
  83
  84 Action::ParamVocab
  85 Action::ValueDescConvert::get_param_vocab()
  86 {
  87         ParamVocab ret(Action::CanvasSpecific::get_param_vocab());
  88
  89         ret.push_back(ParamDesc("value_desc",Param::TYPE_VALUEDESC)
  90                 .set_local_name(_("ValueDesc"))
  91         );
  92
  93         ret.push_back(ParamDesc("type",Param::TYPE_STRING)
  94                 .set_local_name(_("Type"))
  95                 .set_desc(_("The type of ValueNode that you want to be converted to"))
  96         );
  97
  98         ret.push_back(ParamDesc("time",Param::TYPE_TIME)
  99                 .set_local_name(_("Time"))
 100         );
 101
 102         return ret;
 103 }
 104
 105 bool
 106 Action::ValueDescConvert::is_candidate(const ParamList &x)
 107 {
 108         return candidate_check(get_param_vocab(),x);
 109 }
 110
 111 bool
 112 Action::ValueDescConvert::set_param(const synfig::String& name, const Action::Param &param)
 113 {
 114         if(name=="value_desc" && param.get_type()==Param::TYPE_VALUEDESC)
 115         {
 116                 value_desc=param.get_value_desc();
 117
 118                 return true;
 119         }
 120
 121         if(name=="type" && param.get_type()==Param::TYPE_STRING)
 122         {
 123                 type=param.get_string();
 124
 125                 return true;
 126         }
 127
 128         if(name=="time" && param.get_type()==Param::TYPE_TIME)
 129         {
 130                 time=param.get_time();
 131
 132                 return true;
 133         }
 134
 135         return Action::CanvasSpecific::set_param(name,param);
 136 }
 137
 138 bool
 139 Action::ValueDescConvert::is_ready()const
 140 {
 141         if(!value_desc || type.empty())
 142                 return false;
 143         if(time==(Time::begin()-1))
 144         {
 145                 synfig::error("Missing time");
 146                 return false;
 147         }
 148         return Action::CanvasSpecific::is_ready();
 149 }
 150
 151 void
 152 Action::ValueDescConvert::prepare()
 153 {
 154         clear();
 155
 156         ValueBase value;
 157
 158         if(value_desc.is_const())
 159                 value=value_desc.get_value();
 160         else if(value_desc.is_value_node())
 161                 value=(*value_desc.get_value_node())(time);
 162         else
 163                 throw Error(_("Unable to decipher ValueDesc (Bug?)"));
 164
 165         ValueNode::Handle src_value_node(LinkableValueNode::create(type,value));
 166
 167         if(!src_value_node)
 168                 throw Error(_("Unable to create new value node"));
 169
 170
 171         ValueNode::Handle dest_value_node;
 172         dest_value_node=value_desc.get_value_node();
 173
 174         Action::Handle action(ValueDescConnect::create());
 175
 176         action->set_param("canvas",get_canvas());
 177         action->set_param("canvas_interface",get_canvas_interface());
 178         action->set_param("src",src_value_node);
 179         action->set_param("dest",value_desc);
 180
 181         assert(action->is_ready());
 182         if(!action->is_ready())
 183                 throw Error(Error::TYPE_NOTREADY);
 184
 185         add_action_front(action);
 186
 187 /*
 188         return;
 189
 190
 191         if(value_desc.parent_is_canvas())
 192         {
 193                 ValueNode::Handle dest_value_node;
 194                 dest_value_node=value_desc.get_value_node();
 195
 196                 Action::Handle action(ValueNodeReplace::create());
 197
 198                 action->set_param("canvas",get_canvas());
 199                 action->set_param("canvas_interface",get_canvas_interface());
 200                 action->set_param("src",src_value_node);
 201                 action->set_param("dest",dest_value_node);
 202
 203                 assert(action->is_ready());
 204                 if(!action->is_ready())
 205                         throw Error(Error::TYPE_NOTREADY);
 206
 207                 add_action_front(action);
 208                 return;
 209         }
 210         else
 211         if(value_desc.parent_is_linkable_value_node())
 212         {
 213                 Action::Handle action(ValueNodeLinkConnect::create());
 214
 215                 action->set_param("canvas",get_canvas());
 216                 action->set_param("canvas_interface",get_canvas_interface());
 217                 action->set_param("parent_value_node",value_desc.get_parent_value_node());
 218                 action->set_param("value_node", src_value_node);
 219                 action->set_param("index",value_desc.get_index());
 220
 221                 assert(action->is_ready());
 222                 if(!action->is_ready())
 223                         throw Error(Error::TYPE_NOTREADY);
 224
 225                 add_action_front(action);
 226                 return;
 227         }
 228         else
 229         if(value_desc.parent_is_layer_param())
 230         {
 231                 Action::Handle action(LayerParamConnect::create());
 232
 233                 action->set_param("canvas",get_canvas());
 234                 action->set_param("canvas_interface",get_canvas_interface());
 235                 action->set_param("layer",value_desc.get_layer());
 236                 action->set_param("param",value_desc.get_param_name());
 237                 action->set_param("value_node",src_value_node);
 238
 239                 assert(action->is_ready());
 240                 if(!action->is_ready())
 241                         throw Error(Error::TYPE_NOTREADY);
 242
 243                 add_action_front(action);
 244                 return;
 245         }
 246
 247
 248
 249         throw Error(_("ValueDesc is not recognized or supported."));
 250 */
 251 }