synfig-studio/tags/synfigstudio_0_61_07_rc1/src/synfigapp/actions/valuedescconnect.cpp

   1 /* === S Y N F I G ========================================================= */
   2 /*!     \file valuedescconnect.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 #include "layerparamconnect.h"
  33 #include "valuenodelinkconnect.h"
  34 #include "valuenodereplace.h"
  35
  36 #include "valuedescconnect.h"
  37 #include <synfigapp/canvasinterface.h>
  38
  39 #endif
  40
  41 using namespace std;
  42 using namespace etl;
  43 using namespace synfig;
  44 using namespace synfigapp;
  45 using namespace Action;
  46
  47 /* === M A C R O S ========================================================= */
  48
  49 ACTION_INIT(Action::ValueDescConnect);
  50 ACTION_SET_NAME(Action::ValueDescConnect,"value_desc_connect");
  51 ACTION_SET_LOCAL_NAME(Action::ValueDescConnect,"Connect");
  52 ACTION_SET_TASK(Action::ValueDescConnect,"connect");
  53 ACTION_SET_CATEGORY(Action::ValueDescConnect,Action::CATEGORY_VALUEDESC|Action::CATEGORY_VALUENODE);
  54 ACTION_SET_PRIORITY(Action::ValueDescConnect,0);
  55 ACTION_SET_VERSION(Action::ValueDescConnect,"0.0");
  56 ACTION_SET_CVS_ID(Action::ValueDescConnect,"$Id$");
  57
  58 /* === G L O B A L S ======================================================= */
  59
  60 /* === P R O C E D U R E S ================================================= */
  61
  62 /* === M E T H O D S ======================================================= */
  63
  64 Action::ValueDescConnect::ValueDescConnect()
  65 {
  66 }
  67
  68 Action::ParamVocab
  69 Action::ValueDescConnect::get_param_vocab()
  70 {
  71         ParamVocab ret(Action::CanvasSpecific::get_param_vocab());
  72
  73         ret.push_back(ParamDesc("dest",Param::TYPE_VALUEDESC)
  74                 .set_local_name(_("Destination ValueDesc"))
  75         );
  76
  77         ret.push_back(ParamDesc("src",Param::TYPE_VALUENODE)
  78                 .set_local_name(_("Source ValueNode"))
  79                 .set_mutual_exclusion("src_name")
  80         );
  81
  82         ret.push_back(ParamDesc("src_name",Param::TYPE_STRING)
  83                 .set_local_name(_("Source ValueNode Name"))
  84                 .set_mutual_exclusion("src")
  85                 .set_user_supplied()
  86         );
  87
  88         return ret;
  89 }
  90
  91 bool
  92 Action::ValueDescConnect::is_candidate(const ParamList &x)
  93 {
  94         if(candidate_check(get_param_vocab(),x))
  95         {
  96                 if(x.count("src"))
  97                 {
  98                         ValueDesc value_desc=x.find("dest")->second.get_value_desc();
  99                         ValueNode::Handle value_node=x.find("src")->second.get_value_node();
 100                         if(value_desc.get_value_type()==value_node->get_type())
 101                                 return true;
 102                 }
 103                 return true;
 104         }
 105         return false;
 106 }
 107
 108 bool
 109 Action::ValueDescConnect::set_param(const synfig::String& name, const Action::Param &param)
 110 {
 111         if(name=="dest" && param.get_type()==Param::TYPE_VALUEDESC)
 112         {
 113                 value_desc=param.get_value_desc();
 114
 115                 return true;
 116         }
 117
 118         if(name=="src" && param.get_type()==Param::TYPE_VALUENODE)
 119         {
 120                 value_node=param.get_value_node();
 121
 122                 return true;
 123         }
 124
 125         if(!value_node_name.empty() && !value_node && name=="canvas" && param.get_type()==Param::TYPE_CANVAS)
 126         {
 127                 value_node=param.get_canvas()->find_value_node(value_node_name);
 128         }
 129
 130         if(name=="src_name" && param.get_type()==Param::TYPE_STRING)
 131         {
 132                 value_node_name=param.get_string();
 133
 134                 if(get_canvas())
 135                 {
 136                         value_node=get_canvas()->find_value_node(value_node_name);
 137                         if(!value_node)
 138                                 return false;
 139                 }
 140
 141                 return true;
 142         }
 143
 144         return Action::CanvasSpecific::set_param(name,param);
 145 }
 146
 147 bool
 148 Action::ValueDescConnect::is_ready()const
 149 {
 150         if(!value_desc || !value_node)
 151                 return false;
 152         return Action::CanvasSpecific::is_ready();
 153 }
 154
 155 void
 156 Action::ValueDescConnect::prepare()
 157 {
 158         clear();
 159
 160         if(value_desc.parent_is_canvas())
 161         {
 162                 ValueNode::Handle dest_value_node;
 163                 dest_value_node=value_desc.get_value_node();
 164
 165                 Action::Handle action(ValueNodeReplace::create());
 166
 167                 action->set_param("canvas",get_canvas());
 168                 action->set_param("canvas_interface",get_canvas_interface());
 169                 action->set_param("src",value_node);
 170                 action->set_param("dest",value_desc.get_value_node());
 171
 172                 assert(action->is_ready());
 173                 if(!action->is_ready())
 174                         throw Error(Error::TYPE_NOTREADY);
 175
 176                 add_action_front(action);
 177                 return;
 178         }
 179         else
 180         if(value_desc.parent_is_linkable_value_node())
 181         {
 182                 Action::Handle action(ValueNodeLinkConnect::create());
 183
 184                 action->set_param("canvas",get_canvas());
 185                 action->set_param("canvas_interface",get_canvas_interface());
 186                 action->set_param("parent_value_node",value_desc.get_parent_value_node());
 187                 action->set_param("value_node", value_node);
 188                 action->set_param("index",value_desc.get_index());
 189
 190                 assert(action->is_ready());
 191                 if(!action->is_ready())
 192                         throw Error(Error::TYPE_NOTREADY);
 193
 194                 add_action_front(action);
 195                 return;
 196         }
 197         else
 198         if(value_desc.parent_is_layer_param())
 199         {
 200                 Action::Handle action(LayerParamConnect::create());
 201
 202                 action->set_param("canvas",get_canvas());
 203                 action->set_param("canvas_interface",get_canvas_interface());
 204                 action->set_param("layer",value_desc.get_layer());
 205                 action->set_param("param",value_desc.get_param_name());
 206                 action->set_param("value_node",value_node);
 207
 208                 assert(action->is_ready());
 209                 if(!action->is_ready())
 210                         throw Error(Error::TYPE_NOTREADY);
 211
 212                 add_action_front(action);
 213                 return;
 214         }
 215
 216         throw Error(_("ValueDesc is not recognised or supported."));
 217 }