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

   1 /* === S Y N F I G ========================================================= */
   2 /*!     \file waypointremove.cpp
   3 **      \brief Template File
   4 **
   5 **      $Id: waypointremove.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 "waypointremove.h"
  32 #include <synfigapp/canvasinterface.h>
  33
  34 #endif
  35
  36 using namespace std;
  37 using namespace etl;
  38 using namespace synfig;
  39 using namespace synfigapp;
  40 using namespace Action;
  41
  42 /* === M A C R O S ========================================================= */
  43
  44 ACTION_INIT(Action::WaypointRemove);
  45 ACTION_SET_NAME(Action::WaypointRemove,"waypoint_remove");
  46 ACTION_SET_LOCAL_NAME(Action::WaypointRemove,"Remove Waypoint");
  47 ACTION_SET_TASK(Action::WaypointRemove,"remove");
  48 ACTION_SET_CATEGORY(Action::WaypointRemove,Action::CATEGORY_WAYPOINT);
  49 ACTION_SET_PRIORITY(Action::WaypointRemove,0);
  50 ACTION_SET_VERSION(Action::WaypointRemove,"0.0");
  51 ACTION_SET_CVS_ID(Action::WaypointRemove,"$Id: waypointremove.cpp,v 1.1.1.1 2005/01/07 03:34:37 darco Exp $");
  52
  53 /* === G L O B A L S ======================================================= */
  54
  55 /* === P R O C E D U R E S ================================================= */
  56
  57 /* === M E T H O D S ======================================================= */
  58
  59 Action::WaypointRemove::WaypointRemove()
  60 {
  61         waypoint.set_time(Time::begin()-1);
  62         set_dirty(true);
  63 }
  64
  65 Action::ParamVocab
  66 Action::WaypointRemove::get_param_vocab()
  67 {
  68         ParamVocab ret(Action::CanvasSpecific::get_param_vocab());
  69
  70         ret.push_back(ParamDesc("value_node",Param::TYPE_VALUENODE)
  71                 .set_local_name(_("ValueNode (Animated)"))
  72         );
  73
  74         ret.push_back(ParamDesc("waypoint",Param::TYPE_WAYPOINT)
  75                 .set_local_name(_("Waypoint"))
  76                 .set_desc(_("Waypoint to be Removed"))
  77         );
  78
  79         return ret;
  80 }
  81
  82 bool
  83 Action::WaypointRemove::is_canidate(const ParamList &x)
  84 {
  85         return canidate_check(get_param_vocab(),x);
  86 }
  87
  88 bool
  89 Action::WaypointRemove::set_param(const synfig::String& name, const Action::Param &param)
  90 {
  91         if(name=="value_node" && param.get_type()==Param::TYPE_VALUENODE)
  92         {
  93                 value_node=ValueNode_Animated::Handle::cast_dynamic(param.get_value_node());
  94
  95                 return static_cast<bool>(value_node);
  96         }
  97         if(name=="waypoint" && param.get_type()==Param::TYPE_WAYPOINT)
  98         {
  99                 waypoint=param.get_waypoint();
 100
 101                 return true;
 102         }
 103
 104         return Action::CanvasSpecific::set_param(name,param);
 105 }
 106
 107 bool
 108 Action::WaypointRemove::is_ready()const
 109 {
 110         if(!value_node || waypoint.get_time()==(Time::begin()-1))
 111                 return false;
 112         return Action::CanvasSpecific::is_ready();
 113 }
 114
 115 void
 116 Action::WaypointRemove::perform()
 117 {
 118         WaypointList::iterator iter(value_node->find(waypoint));
 119
 120         if((UniqueID)*iter!=(UniqueID)waypoint)
 121                 throw Error(_("UniqueID mismatch, iter=%d, waypoint=%d"),iter->get_uid(),waypoint.get_uid());
 122
 123         if(iter->get_time()!=waypoint.get_time())
 124                 throw Error(_("Time mismatch iter=%s, waypoint=%s"),iter->get_time().get_string().c_str(),waypoint.get_time().get_string().c_str());
 125
 126         waypoint=*iter;
 127
 128         value_node->erase(waypoint);
 129
 130         // In this case, we need to convert this to a
 131         // constant value node
 132         if(value_node->waypoint_list().size()==0)
 133         {
 134                 if(!value_node_ref)
 135                 {
 136                         value_node_ref=waypoint.get_value_node();
 137                         if(!value_node_ref)
 138                                 throw Error(_("Unable to create ValueNode_Reference"));
 139                 }
 140
 141                 value_node->replace(value_node_ref);
 142                 value_node->waypoint_list().clear();
 143
 144                 if(get_canvas_interface())
 145                 {
 146                         get_canvas_interface()->signal_value_node_replaced()(value_node,value_node_ref);
 147                 }
 148         }
 149
 150         value_node->changed();
 151 }
 152
 153 void
 154 Action::WaypointRemove::undo()
 155 {
 156         if(value_node_ref)
 157         {
 158                 if(value_node->waypoint_list().size()!=0)
 159                         throw Error(_("This animated value node should be empty, but for some reason it isn't. This is a bug. (1)"));
 160
 161                 value_node_ref->replace(value_node);
 162
 163                 waypoint.set_value_node(value_node_ref);
 164
 165                 if(get_canvas_interface())
 166                         get_canvas_interface()->signal_value_node_replaced()(value_node_ref,value_node);
 167
 168                 if(value_node->waypoint_list().size()!=0)
 169                         throw Error(_("This animated value node should be empty, but for some reason it isn't. This is a bug. (2)"));
 170         }
 171
 172         if(value_node->waypoint_list().size()!=0)
 173         {
 174                 try { value_node->find(waypoint.get_time()); throw Error(_("A Waypoint already exists at this point in time"));}
 175                 catch(synfig::Exception::NotFound) { }
 176
 177                 try { if(value_node->find(waypoint)!=value_node->waypoint_list().end()) throw Error(_("This waypoint is already in the ValueNode"));}
 178                 catch(synfig::Exception::NotFound) { }
 179         }
 180
 181         value_node->add(waypoint);
 182
 183 /*_if(get_canvas_interface())
 184         {
 185                 get_canvas_interface()->signal_value_node_changed()(value_node);
 186         }
 187         else synfig::warning("CanvasInterface not set on action");*/
 188 }