synfig-studio/tags/stable/src/sinfgapp/actions/waypointadd.cpp

   1 /* === S I N F G =========================================================== */
   2 /*!     \file waypointadd.cpp
   3 **      \brief Template File
   4 **
   5 **      $Id: waypointadd.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 "waypointadd.h"
  32 #include <sinfgapp/canvasinterface.h>
  33 #include <sinfgapp/main.h>
  34
  35 #endif
  36
  37 using namespace std;
  38 using namespace etl;
  39 using namespace sinfg;
  40 using namespace sinfgapp;
  41 using namespace Action;
  42
  43 /* === M A C R O S ========================================================= */
  44
  45 ACTION_INIT(Action::WaypointAdd);
  46 ACTION_SET_NAME(Action::WaypointAdd,"waypoint_add");
  47 ACTION_SET_LOCAL_NAME(Action::WaypointAdd,"Add Waypoint");
  48 ACTION_SET_TASK(Action::WaypointAdd,"add");
  49 ACTION_SET_CATEGORY(Action::WaypointAdd,Action::CATEGORY_WAYPOINT);
  50 ACTION_SET_PRIORITY(Action::WaypointAdd,0);
  51 ACTION_SET_VERSION(Action::WaypointAdd,"0.0");
  52 ACTION_SET_CVS_ID(Action::WaypointAdd,"$Id: waypointadd.cpp,v 1.1.1.1 2005/01/07 03:34:37 darco Exp $");
  53
  54 /* === G L O B A L S ======================================================= */
  55
  56 /* === P R O C E D U R E S ================================================= */
  57
  58 /* === M E T H O D S ======================================================= */
  59
  60 Action::WaypointAdd::WaypointAdd()
  61 {
  62         waypoint.set_time(Time::begin()-1);
  63         time_set=false;
  64         set_dirty(true);
  65 }
  66
  67 Action::ParamVocab
  68 Action::WaypointAdd::get_param_vocab()
  69 {
  70         ParamVocab ret(Action::CanvasSpecific::get_param_vocab());
  71
  72         ret.push_back(ParamDesc("value_node",Param::TYPE_VALUENODE)
  73                 .set_local_name(_("Destination ValueNode (Animated)"))
  74         );
  75
  76         ret.push_back(ParamDesc("waypoint",Param::TYPE_WAYPOINT)
  77                 .set_local_name(_("New Waypoint"))
  78                 .set_desc(_("Waypoint to be added"))
  79                 .set_optional()
  80         );
  81
  82         ret.push_back(ParamDesc("time",Param::TYPE_TIME)
  83                 .set_local_name(_("Time"))
  84                 .set_desc(_("Time where waypoint is to be added"))
  85                 .set_optional()
  86         );
  87
  88         return ret;
  89 }
  90
  91 bool
  92 Action::WaypointAdd::is_canidate(const ParamList &x)
  93 {
  94         if(canidate_check(get_param_vocab(),x))
  95         {
  96                 if(!ValueNode_Animated::Handle::cast_dynamic(x.find("value_node")->second.get_value_node()))
  97                         return false;
  98
  99                 // We need either a waypoint or a time.
 100                 if(x.count("waypoint") || x.count("time"))
 101                         return true;
 102         }
 103         return false;
 104 }
 105
 106 bool
 107 Action::WaypointAdd::set_param(const sinfg::String& name, const Action::Param &param)
 108 {
 109         if(name=="value_node" && param.get_type()==Param::TYPE_VALUENODE)
 110         {
 111                 value_node=ValueNode_Animated::Handle::cast_dynamic(param.get_value_node());
 112                 if(time_set)
 113                         calc_waypoint();
 114
 115                 return static_cast<bool>(value_node);
 116         }
 117         if(name=="waypoint" && param.get_type()==Param::TYPE_WAYPOINT && !time_set)
 118         {
 119                 waypoint=param.get_waypoint();
 120
 121                 return true;
 122         }
 123         if(name=="time" && param.get_type()==Param::TYPE_TIME && waypoint.get_time()==Time::begin()-1)
 124         {
 125                 waypoint.set_time(param.get_time());
 126                 time_set=true;
 127
 128                 if(value_node)
 129                         calc_waypoint();
 130
 131                 return true;
 132         }
 133
 134         return Action::CanvasSpecific::set_param(name,param);
 135 }
 136
 137 bool
 138 Action::WaypointAdd::is_ready()const
 139 {
 140         if(!value_node || waypoint.get_time()==(Time::begin()-1))
 141                 return false;
 142         return Action::CanvasSpecific::is_ready();
 143 }
 144
 145 // This function is called if a time is specified, but not
 146 // a waypoint. In this case, we need to calculate the value
 147 // of the waypoint
 148 void
 149 Action::WaypointAdd::calc_waypoint()
 150 {
 151         Time time=waypoint.get_time();
 152         Waypoint original(waypoint);
 153         waypoint=value_node->new_waypoint_at_time(time);
 154         waypoint.mimic(original);
 155         waypoint.set_before(sinfgapp::Main::get_interpolation());
 156         waypoint.set_after(sinfgapp::Main::get_interpolation());
 157
 158 /*
 159         ValueNode_Animated::WaypointList &waypoint_list(value_node->waypoint_list());
 160         ValueNode_Animated::WaypointList::iterator iter;
 161
 162         if(waypoint_list.empty())
 163         {
 164                 waypoint.set_value((*value_node)(time));
 165                 return;
 166         }
 167
 168         ValueNode_Animated::WaypointList::iterator closest=waypoint_list.begin();
 169
 170         for(iter=waypoint_list.begin();iter!=waypoint_list.end();++iter)
 171         {
 172                 const Real dist(abs(iter->get_time()-time));
 173                 if(dist<abs(closest->get_time()-time))
 174                         closest=iter;
 175         }
 176         if(!closest->is_static())
 177                 waypoint.set_value_node(closest->get_value_node());
 178         else
 179                 waypoint.set_value((*value_node)(time));
 180         */
 181 }
 182
 183 void
 184 Action::WaypointAdd::perform()
 185 {
 186         try { value_node->find(waypoint.get_time()); throw Error(_("A Waypoint already exists at this point in time (%s)"),waypoint.get_time().get_string().c_str());}
 187         catch(sinfg::Exception::NotFound) { }
 188
 189         try { if(value_node->find(waypoint)!=value_node->waypoint_list().end()) throw Error(_("This waypoint is already in the ValueNode"));}
 190         catch(sinfg::Exception::NotFound) { }
 191
 192         value_node->add(waypoint);
 193
 194         value_node->changed();
 195 /*_if(get_canvas_interface())
 196         {
 197                 get_canvas_interface()->signal_value_node_changed()(value_node);
 198         }
 199         else sinfg::warning("CanvasInterface not set on action");*/
 200 }
 201
 202 void
 203 Action::WaypointAdd::undo()
 204 {
 205         value_node->erase(waypoint);
 206
 207         value_node->changed();
 208 /*_if(get_canvas_interface())
 209         {
 210                 get_canvas_interface()->signal_value_node_changed()(value_node);
 211         }
 212         else sinfg::warning("CanvasInterface not set on action");*/
 213 }