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 **      Copyright (c) 2007, 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 /*
  34 #include "valuenodereplace.h"
  35 #include "layerparamconnect.h"
  36 #include "valuenodelinkconnect.h"
  37 */
  38
  39 #include "valuedescconnect.h"
  40
  41 #include "valuedescconvert.h"
  42
  43 #include <synfigapp/canvasinterface.h>
  44 #include <synfig/valuenode_const.h>
  45
  46 #include <synfigapp/general.h>
  47
  48 #endif
  49
  50 using namespace std;
  51 using namespace etl;
  52 using namespace synfig;
  53 using namespace synfigapp;
  54 using namespace Action;
  55
  56 /* === M A C R O S ========================================================= */
  57
  58 ACTION_INIT_NO_GET_LOCAL_NAME(Action::ValueDescConvert);
  59 ACTION_SET_NAME(Action::ValueDescConvert,"value_desc_convert");
  60 ACTION_SET_LOCAL_NAME(Action::ValueDescConvert,N_("Convert"));
  61 ACTION_SET_TASK(Action::ValueDescConvert,"convert");
  62 ACTION_SET_CATEGORY(Action::ValueDescConvert,Action::CATEGORY_VALUEDESC);
  63 ACTION_SET_PRIORITY(Action::ValueDescConvert,0);
  64 ACTION_SET_VERSION(Action::ValueDescConvert,"0.0");
  65 ACTION_SET_CVS_ID(Action::ValueDescConvert,"$Id$");
  66
  67 /* === G L O B A L S ======================================================= */
  68
  69 /* === P R O C E D U R E S ================================================= */
  70
  71 /* === M E T H O D S ======================================================= */
  72
  73 Action::ValueDescConvert::ValueDescConvert()
  74 {
  75         time=(Time::begin()-1);
  76 }
  77
  78 synfig::String
  79 Action::ValueDescConvert::get_local_name()const
  80 {
  81         // 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.
  82         return strprintf(_("Convert '%s' to ValueNode type '%s'"),
  83                                          value_desc.get_description().c_str(),
  84                                          LinkableValueNode::book()[type].local_name.c_str());
  85 }
  86
  87 Action::ParamVocab
  88 Action::ValueDescConvert::get_param_vocab()
  89 {
  90         ParamVocab ret(Action::CanvasSpecific::get_param_vocab());
  91
  92         ret.push_back(ParamDesc("value_desc",Param::TYPE_VALUEDESC)
  93                 .set_local_name(_("ValueDesc"))
  94         );
  95
  96         ret.push_back(ParamDesc("type",Param::TYPE_STRING)
  97                 .set_local_name(_("Type"))
  98                 .set_desc(_("The type of ValueNode that you want to be converted to"))
  99         );
 100
 101         ret.push_back(ParamDesc("time",Param::TYPE_TIME)
 102                 .set_local_name(_("Time"))
 103         );
 104
 105         return ret;
 106 }
 107
 108 bool
 109 Action::ValueDescConvert::is_candidate(const ParamList &x)
 110 {
 111         return candidate_check(get_param_vocab(),x);
 112 }
 113
 114 bool
 115 Action::ValueDescConvert::set_param(const synfig::String& name, const Action::Param &param)
 116 {
 117         if(name=="value_desc" && param.get_type()==Param::TYPE_VALUEDESC)
 118         {
 119                 value_desc=param.get_value_desc();
 120
 121                 return true;
 122         }
 123
 124         if(name=="type" && param.get_type()==Param::TYPE_STRING)
 125         {
 126                 type=param.get_string();
 127
 128                 return true;
 129         }
 130
 131         if(name=="time" && param.get_type()==Param::TYPE_TIME)
 132         {
 133                 time=param.get_time();
 134
 135                 return true;
 136         }
 137
 138         return Action::CanvasSpecific::set_param(name,param);
 139 }
 140
 141 bool
 142 Action::ValueDescConvert::is_ready()const
 143 {
 144         if(!value_desc || type.empty())
 145                 return false;
 146         if(time==(Time::begin()-1))
 147         {
 148                 synfig::error("Missing time");
 149                 return false;
 150         }
 151         return Action::CanvasSpecific::is_ready();
 152 }
 153
 154 void
 155 Action::ValueDescConvert::prepare()
 156 {
 157         clear();
 158
 159         ValueBase value;
 160
 161         if(value_desc.is_const())
 162                 value=value_desc.get_value();
 163         else if(value_desc.is_value_node())
 164                 value=(*value_desc.get_value_node())(time);
 165         else
 166                 throw Error(_("Unable to decipher ValueDesc (Bug?)"));
 167
 168         ValueNode::Handle src_value_node(LinkableValueNode::create(type,value));
 169
 170         if(!src_value_node)
 171                 throw Error(_("Unable to create new value node"));
 172
 173
 174         ValueNode::Handle dest_value_node;
 175         dest_value_node=value_desc.get_value_node();
 176
 177         Action::Handle action(ValueDescConnect::create());
 178
 179         action->set_param("canvas",get_canvas());
 180         action->set_param("canvas_interface",get_canvas_interface());
 181         action->set_param("src",src_value_node);
 182         action->set_param("dest",value_desc);
 183
 184         assert(action->is_ready());
 185         if(!action->is_ready())
 186                 throw Error(Error::TYPE_NOTREADY);
 187
 188         add_action_front(action);
 189
 190 /*
 191         return;
 192
 193
 194         if(value_desc.parent_is_canvas())
 195         {
 196                 ValueNode::Handle dest_value_node;
 197                 dest_value_node=value_desc.get_value_node();
 198
 199                 Action::Handle action(ValueNodeReplace::create());
 200
 201                 action->set_param("canvas",get_canvas());
 202                 action->set_param("canvas_interface",get_canvas_interface());
 203                 action->set_param("src",src_value_node);
 204                 action->set_param("dest",dest_value_node);
 205
 206                 assert(action->is_ready());
 207                 if(!action->is_ready())
 208                         throw Error(Error::TYPE_NOTREADY);
 209
 210                 add_action_front(action);
 211                 return;
 212         }
 213         else
 214         if(value_desc.parent_is_linkable_value_node())
 215         {
 216                 Action::Handle action(ValueNodeLinkConnect::create());
 217
 218                 action->set_param("canvas",get_canvas());
 219                 action->set_param("canvas_interface",get_canvas_interface());
 220                 action->set_param("parent_value_node",value_desc.get_parent_value_node());
 221                 action->set_param("value_node", src_value_node);
 222                 action->set_param("index",value_desc.get_index());
 223
 224                 assert(action->is_ready());
 225                 if(!action->is_ready())
 226                         throw Error(Error::TYPE_NOTREADY);
 227
 228                 add_action_front(action);
 229                 return;
 230         }
 231         else
 232         if(value_desc.parent_is_layer_param())
 233         {
 234                 Action::Handle action(LayerParamConnect::create());
 235
 236                 action->set_param("canvas",get_canvas());
 237                 action->set_param("canvas_interface",get_canvas_interface());
 238                 action->set_param("layer",value_desc.get_layer());
 239                 action->set_param("param",value_desc.get_param_name());
 240                 action->set_param("value_node",src_value_node);
 241
 242                 assert(action->is_ready());
 243                 if(!action->is_ready())
 244                         throw Error(Error::TYPE_NOTREADY);
 245
 246                 add_action_front(action);
 247                 return;
 248         }
 249
 250
 251
 252         throw Error(_("ValueDesc is not recognized or supported."));
 253 */
 254 }