synfig-studio/tags/synfigstudio_0_61_07_rc1/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 #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(Action::ValueDescConvert);
  56 ACTION_SET_NAME(Action::ValueDescConvert,"value_desc_convert");
  57 ACTION_SET_LOCAL_NAME(Action::ValueDescConvert,"Convert");
  58 ACTION_SET_TASK(Action::ValueDescConvert,"convert");
  59 ACTION_SET_CATEGORY(Action::ValueDescConvert,Action::CATEGORY_VALUEDESC);
  60 ACTION_SET_PRIORITY(Action::ValueDescConvert,0);
  61 ACTION_SET_VERSION(Action::ValueDescConvert,"0.0");
  62 ACTION_SET_CVS_ID(Action::ValueDescConvert,"$Id$");
  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::ValueDescConvert::ValueDescConvert()
  71 {
  72 }
  73
  74 Action::ParamVocab
  75 Action::ValueDescConvert::get_param_vocab()
  76 {
  77         ParamVocab ret(Action::CanvasSpecific::get_param_vocab());
  78
  79         ret.push_back(ParamDesc("value_desc",Param::TYPE_VALUEDESC)
  80                 .set_local_name(_("ValueDesc"))
  81         );
  82
  83         ret.push_back(ParamDesc("type",Param::TYPE_STRING)
  84                 .set_local_name(_("Type"))
  85                 .set_desc(_("The type of ValueNode that you want to be converted to"))
  86         );
  87
  88         return ret;
  89 }
  90
  91 bool
  92 Action::ValueDescConvert::is_candidate(const ParamList &x)
  93 {
  94         return candidate_check(get_param_vocab(),x);
  95 }
  96
  97 bool
  98 Action::ValueDescConvert::set_param(const synfig::String& name, const Action::Param &param)
  99 {
 100         if(name=="value_desc" && param.get_type()==Param::TYPE_VALUEDESC)
 101         {
 102                 value_desc=param.get_value_desc();
 103
 104                 return true;
 105         }
 106
 107         if(name=="type" && param.get_type()==Param::TYPE_STRING)
 108         {
 109                 type=param.get_string();
 110
 111                 return true;
 112         }
 113
 114         return Action::CanvasSpecific::set_param(name,param);
 115 }
 116
 117 bool
 118 Action::ValueDescConvert::is_ready()const
 119 {
 120         if(!value_desc || type.empty())
 121                 return false;
 122         return Action::CanvasSpecific::is_ready();
 123 }
 124
 125 void
 126 Action::ValueDescConvert::prepare()
 127 {
 128         clear();
 129
 130         ValueBase value;
 131
 132         if(value_desc.is_const())
 133                 value=value_desc.get_value();
 134         else if(value_desc.is_value_node())
 135                 value=(*value_desc.get_value_node())(0);
 136         else
 137                 throw Error(_("Unable to decipher ValueDesc (Bug?)"));
 138
 139         ValueNode::Handle src_value_node(LinkableValueNode::create(type,value));
 140
 141         if(!src_value_node)
 142                 throw Error(_("Unable to create new value node"));
 143
 144
 145         ValueNode::Handle dest_value_node;
 146         dest_value_node=value_desc.get_value_node();
 147
 148         Action::Handle action(ValueDescConnect::create());
 149
 150         action->set_param("canvas",get_canvas());
 151         action->set_param("canvas_interface",get_canvas_interface());
 152         action->set_param("src",src_value_node);
 153         action->set_param("dest",value_desc);
 154
 155         assert(action->is_ready());
 156         if(!action->is_ready())
 157                 throw Error(Error::TYPE_NOTREADY);
 158
 159         add_action_front(action);
 160
 161 /*
 162         return;
 163
 164
 165         if(value_desc.parent_is_canvas())
 166         {
 167                 ValueNode::Handle dest_value_node;
 168                 dest_value_node=value_desc.get_value_node();
 169
 170                 Action::Handle action(ValueNodeReplace::create());
 171
 172                 action->set_param("canvas",get_canvas());
 173                 action->set_param("canvas_interface",get_canvas_interface());
 174                 action->set_param("src",src_value_node);
 175                 action->set_param("dest",dest_value_node);
 176
 177                 assert(action->is_ready());
 178                 if(!action->is_ready())
 179                         throw Error(Error::TYPE_NOTREADY);
 180
 181                 add_action_front(action);
 182                 return;
 183         }
 184         else
 185         if(value_desc.parent_is_linkable_value_node())
 186         {
 187                 Action::Handle action(ValueNodeLinkConnect::create());
 188
 189                 action->set_param("canvas",get_canvas());
 190                 action->set_param("canvas_interface",get_canvas_interface());
 191                 action->set_param("parent_value_node",value_desc.get_parent_value_node());
 192                 action->set_param("value_node", src_value_node);
 193                 action->set_param("index",value_desc.get_index());
 194
 195                 assert(action->is_ready());
 196                 if(!action->is_ready())
 197                         throw Error(Error::TYPE_NOTREADY);
 198
 199                 add_action_front(action);
 200                 return;
 201         }
 202         else
 203         if(value_desc.parent_is_layer_param())
 204         {
 205                 Action::Handle action(LayerParamConnect::create());
 206
 207                 action->set_param("canvas",get_canvas());
 208                 action->set_param("canvas_interface",get_canvas_interface());
 209                 action->set_param("layer",value_desc.get_layer());
 210                 action->set_param("param",value_desc.get_param_name());
 211                 action->set_param("value_node",src_value_node);
 212
 213                 assert(action->is_ready());
 214                 if(!action->is_ready())
 215                         throw Error(Error::TYPE_NOTREADY);
 216
 217                 add_action_front(action);
 218                 return;
 219         }
 220
 221
 222
 223         throw Error(_("ValueDesc is not recognised or supported."));
 224 */
 225 }