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(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 Action::ParamVocab
  78 Action::ValueDescConvert::get_param_vocab()
  79 {
  80         ParamVocab ret(Action::CanvasSpecific::get_param_vocab());
  81
  82         ret.push_back(ParamDesc("value_desc",Param::TYPE_VALUEDESC)
  83                 .set_local_name(_("ValueDesc"))
  84         );
  85
  86         ret.push_back(ParamDesc("type",Param::TYPE_STRING)
  87                 .set_local_name(_("Type"))
  88                 .set_desc(_("The type of ValueNode that you want to be converted to"))
  89         );
  90
  91         ret.push_back(ParamDesc("time",Param::TYPE_TIME)
  92                 .set_local_name(_("Time"))
  93         );
  94
  95         return ret;
  96 }
  97
  98 bool
  99 Action::ValueDescConvert::is_candidate(const ParamList &x)
 100 {
 101         return candidate_check(get_param_vocab(),x);
 102 }
 103
 104 bool
 105 Action::ValueDescConvert::set_param(const synfig::String& name, const Action::Param &param)
 106 {
 107         if(name=="value_desc" && param.get_type()==Param::TYPE_VALUEDESC)
 108         {
 109                 value_desc=param.get_value_desc();
 110
 111                 return true;
 112         }
 113
 114         if(name=="type" && param.get_type()==Param::TYPE_STRING)
 115         {
 116                 type=param.get_string();
 117
 118                 return true;
 119         }
 120
 121         if(name=="time" && param.get_type()==Param::TYPE_TIME)
 122         {
 123                 time=param.get_time();
 124
 125                 return true;
 126         }
 127
 128         return Action::CanvasSpecific::set_param(name,param);
 129 }
 130
 131 bool
 132 Action::ValueDescConvert::is_ready()const
 133 {
 134         if(!value_desc || type.empty())
 135                 return false;
 136         if(time==(Time::begin()-1))
 137         {
 138                 synfig::error("Missing time");
 139                 return false;
 140         }
 141         return Action::CanvasSpecific::is_ready();
 142 }
 143
 144 void
 145 Action::ValueDescConvert::prepare()
 146 {
 147         clear();
 148
 149         ValueBase value;
 150
 151         if(value_desc.is_const())
 152                 value=value_desc.get_value();
 153         else if(value_desc.is_value_node())
 154                 value=(*value_desc.get_value_node())(time);
 155         else
 156                 throw Error(_("Unable to decipher ValueDesc (Bug?)"));
 157
 158         ValueNode::Handle src_value_node(LinkableValueNode::create(type,value));
 159
 160         if(!src_value_node)
 161                 throw Error(_("Unable to create new value node"));
 162
 163
 164         ValueNode::Handle dest_value_node;
 165         dest_value_node=value_desc.get_value_node();
 166
 167         Action::Handle action(ValueDescConnect::create());
 168
 169         action->set_param("canvas",get_canvas());
 170         action->set_param("canvas_interface",get_canvas_interface());
 171         action->set_param("src",src_value_node);
 172         action->set_param("dest",value_desc);
 173
 174         assert(action->is_ready());
 175         if(!action->is_ready())
 176                 throw Error(Error::TYPE_NOTREADY);
 177
 178         add_action_front(action);
 179
 180 /*
 181         return;
 182
 183
 184         if(value_desc.parent_is_canvas())
 185         {
 186                 ValueNode::Handle dest_value_node;
 187                 dest_value_node=value_desc.get_value_node();
 188
 189                 Action::Handle action(ValueNodeReplace::create());
 190
 191                 action->set_param("canvas",get_canvas());
 192                 action->set_param("canvas_interface",get_canvas_interface());
 193                 action->set_param("src",src_value_node);
 194                 action->set_param("dest",dest_value_node);
 195
 196                 assert(action->is_ready());
 197                 if(!action->is_ready())
 198                         throw Error(Error::TYPE_NOTREADY);
 199
 200                 add_action_front(action);
 201                 return;
 202         }
 203         else
 204         if(value_desc.parent_is_linkable_value_node())
 205         {
 206                 Action::Handle action(ValueNodeLinkConnect::create());
 207
 208                 action->set_param("canvas",get_canvas());
 209                 action->set_param("canvas_interface",get_canvas_interface());
 210                 action->set_param("parent_value_node",value_desc.get_parent_value_node());
 211                 action->set_param("value_node", src_value_node);
 212                 action->set_param("index",value_desc.get_index());
 213
 214                 assert(action->is_ready());
 215                 if(!action->is_ready())
 216                         throw Error(Error::TYPE_NOTREADY);
 217
 218                 add_action_front(action);
 219                 return;
 220         }
 221         else
 222         if(value_desc.parent_is_layer_param())
 223         {
 224                 Action::Handle action(LayerParamConnect::create());
 225
 226                 action->set_param("canvas",get_canvas());
 227                 action->set_param("canvas_interface",get_canvas_interface());
 228                 action->set_param("layer",value_desc.get_layer());
 229                 action->set_param("param",value_desc.get_param_name());
 230                 action->set_param("value_node",src_value_node);
 231
 232                 assert(action->is_ready());
 233                 if(!action->is_ready())
 234                         throw Error(Error::TYPE_NOTREADY);
 235
 236                 add_action_front(action);
 237                 return;
 238         }
 239
 240
 241
 242         throw Error(_("ValueDesc is not recognized or supported."));
 243 */
 244 }