synfig-studio/trunk/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 #include <synfigapp/general.h>
  40
  41 #endif
  42
  43 using namespace std;
  44 using namespace etl;
  45 using namespace synfig;
  46 using namespace synfigapp;
  47 using namespace Action;
  48
  49 /* === M A C R O S ========================================================= */
  50
  51 ACTION_INIT(Action::ValueDescConnect);
  52 ACTION_SET_NAME(Action::ValueDescConnect,"value_desc_connect");
  53 ACTION_SET_LOCAL_NAME(Action::ValueDescConnect,N_("Connect"));
  54 ACTION_SET_TASK(Action::ValueDescConnect,"connect");
  55 ACTION_SET_CATEGORY(Action::ValueDescConnect,Action::CATEGORY_VALUEDESC|Action::CATEGORY_VALUENODE);
  56 ACTION_SET_PRIORITY(Action::ValueDescConnect,0);
  57 ACTION_SET_VERSION(Action::ValueDescConnect,"0.0");
  58 ACTION_SET_CVS_ID(Action::ValueDescConnect,"$Id$");
  59
  60 /* === G L O B A L S ======================================================= */
  61
  62 /* === P R O C E D U R E S ================================================= */
  63
  64 /* === M E T H O D S ======================================================= */
  65
  66 Action::ValueDescConnect::ValueDescConnect()
  67 {
  68 }
  69
  70 Action::ParamVocab
  71 Action::ValueDescConnect::get_param_vocab()
  72 {
  73         ParamVocab ret(Action::CanvasSpecific::get_param_vocab());
  74
  75         ret.push_back(ParamDesc("dest",Param::TYPE_VALUEDESC)
  76                 .set_local_name(_("Destination ValueDesc"))
  77         );
  78
  79         ret.push_back(ParamDesc("src",Param::TYPE_VALUENODE)
  80                 .set_local_name(_("Source ValueNode"))
  81                 .set_mutual_exclusion("src_name")
  82         );
  83
  84         ret.push_back(ParamDesc("src_name",Param::TYPE_STRING)
  85                 .set_local_name(_("Source ValueNode Name"))
  86                 .set_mutual_exclusion("src")
  87                 .set_user_supplied()
  88         );
  89
  90         return ret;
  91 }
  92
  93 bool
  94 Action::ValueDescConnect::is_candidate(const ParamList &x)
  95 {
  96         if(candidate_check(get_param_vocab(),x))
  97         {
  98                 if(x.count("src"))
  99                 {
 100                         ValueDesc value_desc=x.find("dest")->second.get_value_desc();
 101                         ValueNode::Handle value_node=x.find("src")->second.get_value_node();
 102                         if(value_desc.get_value_type()==value_node->get_type())
 103                                 return true;
 104                 }
 105                 return true;
 106         }
 107         return false;
 108 }
 109
 110 bool
 111 Action::ValueDescConnect::set_param(const synfig::String& name, const Action::Param &param)
 112 {
 113         if(name=="dest" && param.get_type()==Param::TYPE_VALUEDESC)
 114         {
 115                 value_desc=param.get_value_desc();
 116
 117                 return true;
 118         }
 119
 120         if(name=="src" && param.get_type()==Param::TYPE_VALUENODE)
 121         {
 122                 value_node=param.get_value_node();
 123
 124                 return true;
 125         }
 126
 127         if(!value_node_name.empty() && !value_node && name=="canvas" && param.get_type()==Param::TYPE_CANVAS)
 128         {
 129                 value_node=param.get_canvas()->find_value_node(value_node_name);
 130         }
 131
 132         if(name=="src_name" && param.get_type()==Param::TYPE_STRING)
 133         {
 134                 value_node_name=param.get_string();
 135
 136                 if(get_canvas())
 137                 {
 138                         value_node=get_canvas()->find_value_node(value_node_name);
 139                         if(!value_node)
 140                                 return false;
 141                 }
 142
 143                 return true;
 144         }
 145
 146         return Action::CanvasSpecific::set_param(name,param);
 147 }
 148
 149 bool
 150 Action::ValueDescConnect::is_ready()const
 151 {
 152         if(!value_desc || !value_node)
 153                 return false;
 154         return Action::CanvasSpecific::is_ready();
 155 }
 156
 157 void
 158 Action::ValueDescConnect::prepare()
 159 {
 160         clear();
 161
 162         if(value_desc.parent_is_canvas())
 163         {
 164                 ValueNode::Handle dest_value_node;
 165                 dest_value_node=value_desc.get_value_node();
 166
 167                 Action::Handle action(ValueNodeReplace::create());
 168
 169                 action->set_param("canvas",get_canvas());
 170                 action->set_param("canvas_interface",get_canvas_interface());
 171                 action->set_param("src",value_node);
 172                 action->set_param("dest",value_desc.get_value_node());
 173
 174                 assert(action->is_ready());
 175                 if(!action->is_ready())
 176                         throw Error(Error::TYPE_NOTREADY);
 177
 178                 add_action_front(action);
 179                 return;
 180         }
 181         else
 182         if(value_desc.parent_is_linkable_value_node())
 183         {
 184                 Action::Handle action(ValueNodeLinkConnect::create());
 185
 186                 action->set_param("canvas",get_canvas());
 187                 action->set_param("canvas_interface",get_canvas_interface());
 188                 action->set_param("parent_value_node",value_desc.get_parent_value_node());
 189                 action->set_param("value_node", value_node);
 190                 action->set_param("index",value_desc.get_index());
 191
 192                 assert(action->is_ready());
 193                 if(!action->is_ready())
 194                         throw Error(Error::TYPE_NOTREADY);
 195
 196                 add_action_front(action);
 197                 return;
 198         }
 199         else
 200         if(value_desc.parent_is_layer_param())
 201         {
 202                 Action::Handle action(LayerParamConnect::create());
 203
 204                 action->set_param("canvas",get_canvas());
 205                 action->set_param("canvas_interface",get_canvas_interface());
 206                 action->set_param("layer",value_desc.get_layer());
 207                 action->set_param("param",value_desc.get_param_name());
 208                 action->set_param("value_node",value_node);
 209
 210                 assert(action->is_ready());
 211                 if(!action->is_ready())
 212                         throw Error(Error::TYPE_NOTREADY);
 213
 214                 add_action_front(action);
 215                 return;
 216         }
 217
 218         throw Error(_("ValueDesc is not recognized or supported."));
 219 }