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 }
  75
  76 Action::ParamVocab
  77 Action::ValueDescConvert::get_param_vocab()
  78 {
  79         ParamVocab ret(Action::CanvasSpecific::get_param_vocab());
  80
  81         ret.push_back(ParamDesc("value_desc",Param::TYPE_VALUEDESC)
  82                 .set_local_name(_("ValueDesc"))
  83         );
  84
  85         ret.push_back(ParamDesc("type",Param::TYPE_STRING)
  86                 .set_local_name(_("Type"))
  87                 .set_desc(_("The type of ValueNode that you want to be converted to"))
  88         );
  89
  90         return ret;
  91 }
  92
  93 bool
  94 Action::ValueDescConvert::is_candidate(const ParamList &x)
  95 {
  96         return candidate_check(get_param_vocab(),x);
  97 }
  98
  99 bool
 100 Action::ValueDescConvert::set_param(const synfig::String& name, const Action::Param &param)
 101 {
 102         if(name=="value_desc" && param.get_type()==Param::TYPE_VALUEDESC)
 103         {
 104                 value_desc=param.get_value_desc();
 105
 106                 return true;
 107         }
 108
 109         if(name=="type" && param.get_type()==Param::TYPE_STRING)
 110         {
 111                 type=param.get_string();
 112
 113                 return true;
 114         }
 115
 116         return Action::CanvasSpecific::set_param(name,param);
 117 }
 118
 119 bool
 120 Action::ValueDescConvert::is_ready()const
 121 {
 122         if(!value_desc || type.empty())
 123                 return false;
 124         return Action::CanvasSpecific::is_ready();
 125 }
 126
 127 void
 128 Action::ValueDescConvert::prepare()
 129 {
 130         clear();
 131
 132         ValueBase value;
 133
 134         if(value_desc.is_const())
 135                 value=value_desc.get_value();
 136         else if(value_desc.is_value_node())
 137                 value=(*value_desc.get_value_node())(0);
 138         else
 139                 throw Error(_("Unable to decipher ValueDesc (Bug?)"));
 140
 141         ValueNode::Handle src_value_node(LinkableValueNode::create(type,value));
 142
 143         if(!src_value_node)
 144                 throw Error(_("Unable to create new value node"));
 145
 146
 147         ValueNode::Handle dest_value_node;
 148         dest_value_node=value_desc.get_value_node();
 149
 150         Action::Handle action(ValueDescConnect::create());
 151
 152         action->set_param("canvas",get_canvas());
 153         action->set_param("canvas_interface",get_canvas_interface());
 154         action->set_param("src",src_value_node);
 155         action->set_param("dest",value_desc);
 156
 157         assert(action->is_ready());
 158         if(!action->is_ready())
 159                 throw Error(Error::TYPE_NOTREADY);
 160
 161         add_action_front(action);
 162
 163 /*
 164         return;
 165
 166
 167         if(value_desc.parent_is_canvas())
 168         {
 169                 ValueNode::Handle dest_value_node;
 170                 dest_value_node=value_desc.get_value_node();
 171
 172                 Action::Handle action(ValueNodeReplace::create());
 173
 174                 action->set_param("canvas",get_canvas());
 175                 action->set_param("canvas_interface",get_canvas_interface());
 176                 action->set_param("src",src_value_node);
 177                 action->set_param("dest",dest_value_node);
 178
 179                 assert(action->is_ready());
 180                 if(!action->is_ready())
 181                         throw Error(Error::TYPE_NOTREADY);
 182
 183                 add_action_front(action);
 184                 return;
 185         }
 186         else
 187         if(value_desc.parent_is_linkable_value_node())
 188         {
 189                 Action::Handle action(ValueNodeLinkConnect::create());
 190
 191                 action->set_param("canvas",get_canvas());
 192                 action->set_param("canvas_interface",get_canvas_interface());
 193                 action->set_param("parent_value_node",value_desc.get_parent_value_node());
 194                 action->set_param("value_node", src_value_node);
 195                 action->set_param("index",value_desc.get_index());
 196
 197                 assert(action->is_ready());
 198                 if(!action->is_ready())
 199                         throw Error(Error::TYPE_NOTREADY);
 200
 201                 add_action_front(action);
 202                 return;
 203         }
 204         else
 205         if(value_desc.parent_is_layer_param())
 206         {
 207                 Action::Handle action(LayerParamConnect::create());
 208
 209                 action->set_param("canvas",get_canvas());
 210                 action->set_param("canvas_interface",get_canvas_interface());
 211                 action->set_param("layer",value_desc.get_layer());
 212                 action->set_param("param",value_desc.get_param_name());
 213                 action->set_param("value_node",src_value_node);
 214
 215                 assert(action->is_ready());
 216                 if(!action->is_ready())
 217                         throw Error(Error::TYPE_NOTREADY);
 218
 219                 add_action_front(action);
 220                 return;
 221         }
 222
 223
 224
 225         throw Error(_("ValueDesc is not recognized or supported."));
 226 */
 227 }