synfig-studio/trunk/src/synfigapp/actions/valuedesclink.cpp

   1 /* === S Y N F I G ========================================================= */
   2 /*!     \file valuedesclink.cpp
   3 **      \brief Template File
   4 **
   5 **      $Id: valuedesclink.cpp,v 1.1.1.1 2005/01/07 03:34:37 darco Exp $
   6 **
   7 **      \legal
   8 **      Copyright (c) 2002 Robert B. Quattlebaum Jr.
   9 **
  10 **      This software and associated documentation
  11 **      are CONFIDENTIAL and PROPRIETARY property of
  12 **      the above-mentioned copyright holder.
  13 **
  14 **      You may not copy, print, publish, or in any
  15 **      other way distribute this software without
  16 **      a prior written agreement with
  17 **      the copyright holder.
  18 **      \endlegal
  19 */
  20 /* ========================================================================= */
  21
  22 /* === H E A D E R S ======================================================= */
  23
  24 #ifdef USING_PCH
  25 #       include "pch.h"
  26 #else
  27 #ifdef HAVE_CONFIG_H
  28 #       include <config.h>
  29 #endif
  30
  31 #include "valuedesclink.h"
  32
  33 #include <synfigapp/canvasinterface.h>
  34 #include <synfig/valuenode_const.h>
  35
  36 #endif
  37
  38 using namespace std;
  39 using namespace etl;
  40 using namespace synfig;
  41 using namespace synfigapp;
  42 using namespace Action;
  43
  44 /* === M A C R O S ========================================================= */
  45
  46 ACTION_INIT(Action::ValueDescLink);
  47 ACTION_SET_NAME(Action::ValueDescLink,"value_desc_link");
  48 ACTION_SET_LOCAL_NAME(Action::ValueDescLink,"Link");
  49 ACTION_SET_TASK(Action::ValueDescLink,"connect");
  50 ACTION_SET_CATEGORY(Action::ValueDescLink,Action::CATEGORY_VALUEDESC);
  51 ACTION_SET_PRIORITY(Action::ValueDescLink,0);
  52 ACTION_SET_VERSION(Action::ValueDescLink,"0.0");
  53 ACTION_SET_CVS_ID(Action::ValueDescLink,"$Id: valuedesclink.cpp,v 1.1.1.1 2005/01/07 03:34:37 darco Exp $");
  54
  55 /* === G L O B A L S ======================================================= */
  56
  57 /* === P R O C E D U R E S ================================================= */
  58
  59 /* === M E T H O D S ======================================================= */
  60
  61 Action::ValueDescLink::ValueDescLink()
  62 {
  63         poison=false;
  64 }
  65
  66 Action::ParamVocab
  67 Action::ValueDescLink::get_param_vocab()
  68 {
  69         ParamVocab ret(Action::CanvasSpecific::get_param_vocab());
  70
  71         ret.push_back(ParamDesc("value_desc",Param::TYPE_VALUEDESC)
  72                 .set_local_name(_("ValueDesc to link"))
  73                 .set_requires_multiple()
  74         );
  75
  76         return ret;
  77 }
  78
  79 bool
  80 Action::ValueDescLink::is_canidate(const ParamList &x)
  81 {
  82         return canidate_check(get_param_vocab(),x);
  83 }
  84
  85 bool
  86 Action::ValueDescLink::set_param(const synfig::String& name, const Action::Param &param)
  87 {
  88         if(name=="time" && param.get_type()==Param::TYPE_TIME)
  89         {
  90                 time=param.get_time();
  91                 return true;
  92         }
  93
  94         if(name=="value_desc" && param.get_type()==Param::TYPE_VALUEDESC)
  95         {
  96                 ValueDesc value_desc(param.get_value_desc());
  97
  98                 if(value_desc.is_value_node() && value_desc.get_value_node()->is_exported())
  99                 {
 100                         if(link_value_node==value_desc.get_value_node())
 101                                 return true;
 102
 103                         if(link_value_node && link_value_node->is_exported())
 104                         {
 105                                 poison=true;
 106                                 return false;
 107                         }
 108
 109                         link_value_node=value_desc.get_value_node();
 110                 }
 111                 else if(value_desc.is_value_node())
 112                 {
 113                         if(!link_value_node)
 114                         {
 115                                 link_value_node=value_desc.get_value_node();
 116                         }
 117
 118                         // Use the one that is referenced more
 119                         else if(link_value_node->rcount()<value_desc.get_value_node()->rcount())
 120                         {
 121                                 link_value_node=value_desc.get_value_node();
 122                         }
 123
 124                         // If the current link value node is a constant and
 125                         // this one isn't, then give preference to the exotic
 126                         else if(ValueNode_Const::Handle::cast_dynamic(link_value_node) && !ValueNode_Const::Handle::cast_dynamic(value_desc.get_value_node()))
 127                         {
 128                                 link_value_node=value_desc.get_value_node();
 129                         }
 130
 131                         // If both are animated, and this one has more waypoints,
 132                         // then use the one with more waypoints
 133                         else if(
 134                                         ValueNode_Animated::Handle::cast_dynamic(link_value_node)
 135                                 &&      ValueNode_Animated::Handle::cast_dynamic(value_desc.get_value_node())
 136                                 && (
 137                                         ValueNode_Animated::Handle::cast_dynamic(link_value_node)->waypoint_list().size()
 138                                 <       ValueNode_Animated::Handle::cast_dynamic(value_desc.get_value_node())->waypoint_list().size()
 139                                 )
 140                         )
 141                         {
 142                                 link_value_node=value_desc.get_value_node();
 143                         }
 144
 145                         /*
 146                         // Use the one that was most recently changed
 147                         else if(link_value_node->get_time_last_changed()<value_desc.get_value_node()->get_time_last_changed())
 148                         {
 149                                 link_value_node=value_desc.get_value_node();
 150                         }
 151                         */
 152                 }
 153
 154
 155                 if(value_desc_list.size() && value_desc.get_value_type()!=value_desc_list.front().get_value_type())
 156                 {
 157                         // Everything must be of the same type
 158                         poison=true;
 159                         return false;
 160                 }
 161                 value_desc_list.push_back(value_desc);
 162
 163                 return true;
 164         }
 165
 166         return Action::CanvasSpecific::set_param(name,param);
 167 }
 168
 169 bool
 170 Action::ValueDescLink::is_ready()const
 171 {
 172         if(poison || value_desc_list.size()<=1)
 173                 return false;
 174         return Action::CanvasSpecific::is_ready();
 175 }
 176
 177 void
 178 Action::ValueDescLink::prepare()
 179 {
 180         if(poison || value_desc_list.empty())
 181                 throw Error(Error::TYPE_NOTREADY);
 182
 183         clear();
 184
 185         if(!link_value_node)
 186         {
 187                 ValueDesc& value_desc(value_desc_list.front());
 188
 189                 link_value_node=ValueNode_Const::create(value_desc.get_value(time));
 190
 191                 Action::Handle action(Action::create("value_desc_connect"));
 192
 193                 action->set_param("canvas",get_canvas());
 194                 action->set_param("canvas_interface",get_canvas_interface());
 195                 action->set_param("src",link_value_node);
 196                 action->set_param("dest",value_desc);
 197
 198                 assert(action->is_ready());
 199                 if(!action->is_ready())
 200                         throw Error(Error::TYPE_NOTREADY);
 201
 202                 add_action_front(action);
 203         }
 204
 205         /*
 206         if(!link_value_node->is_exported())
 207         {
 208                 Action::Handle action(Action::create("value_node_add"));
 209
 210                 action->set_param("canvas",get_canvas());
 211                 action->set_param("canvas_interface",get_canvas_interface());
 212                 action->set_param("new",link_value_node);
 213                 action->set_param("name",strprintf(_("Unnamed%08d"),synfig::UniqueID().get_uid()));
 214
 215                 assert(action->is_ready());
 216                 if(!action->is_ready())
 217                         throw Error(Error::TYPE_NOTREADY);
 218
 219                 add_action_front(action);
 220         }
 221         */
 222
 223         std::list<ValueDesc>::iterator iter;
 224         for(iter=value_desc_list.begin();iter!=value_desc_list.end();++iter)
 225         {
 226                 ValueDesc& value_desc(*iter);
 227
 228                 if(value_desc.is_value_node() && value_desc.get_value_node()==link_value_node)
 229                         continue;
 230
 231                 Action::Handle action(Action::create("value_desc_connect"));
 232
 233                 action->set_param("canvas",get_canvas());
 234                 action->set_param("canvas_interface",get_canvas_interface());
 235                 action->set_param("src",link_value_node);
 236                 action->set_param("dest",value_desc);
 237
 238                 assert(action->is_ready());
 239                 if(!action->is_ready())
 240                         throw Error(Error::TYPE_NOTREADY);
 241
 242                 add_action_front(action);
 243         }
 244 }