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

   1 /* === S Y N F I G ========================================================= */
   2 /*!     \file waypointset.cpp
   3 **      \brief Template File
   4 **
   5 **      $Id: waypointset.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 "waypointset.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::WaypointSet);
  45 ACTION_SET_NAME(Action::WaypointSet,"waypoint_set");
  46 ACTION_SET_LOCAL_NAME(Action::WaypointSet,"Set Waypoint");
  47 ACTION_SET_TASK(Action::WaypointSet,"set");
  48 ACTION_SET_CATEGORY(Action::WaypointSet,Action::CATEGORY_WAYPOINT);
  49 ACTION_SET_PRIORITY(Action::WaypointSet,0);
  50 ACTION_SET_VERSION(Action::WaypointSet,"0.0");
  51 ACTION_SET_CVS_ID(Action::WaypointSet,"$Id: waypointset.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::WaypointSet::WaypointSet()
  60 {
  61         set_dirty(true);
  62 }
  63
  64 Action::ParamVocab
  65 Action::WaypointSet::get_param_vocab()
  66 {
  67         ParamVocab ret(Action::CanvasSpecific::get_param_vocab());
  68
  69         ret.push_back(ParamDesc("value_node",Param::TYPE_VALUENODE)
  70                 .set_local_name(_("Destination ValueNode (Animated)"))
  71         );
  72
  73         ret.push_back(ParamDesc("waypoint",Param::TYPE_WAYPOINT)
  74                 .set_local_name(_("Waypoint"))
  75                 .set_desc(_("Waypoint to be changed"))
  76                 .set_supports_multiple()
  77         );
  78
  79         return ret;
  80 }
  81
  82 bool
  83 Action::WaypointSet::is_canidate(const ParamList &x)
  84 {
  85         return canidate_check(get_param_vocab(),x);
  86 }
  87
  88 bool
  89 Action::WaypointSet::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                 //NOTE: at the moment there is no error checking for multiple sets!!!
 100                 waypoints.push_back(param.get_waypoint());
 101
 102                 return true;
 103         }
 104
 105         return Action::CanvasSpecific::set_param(name,param);
 106 }
 107
 108 bool
 109 Action::WaypointSet::is_ready()const
 110 {
 111         if(!value_node || waypoints.empty())
 112                 return false;
 113         return Action::CanvasSpecific::is_ready();
 114 }
 115
 116 void
 117 Action::WaypointSet::perform()
 118 {
 119         WaypointList::iterator iter;
 120
 121 #if 1
 122         vector<WaypointList::iterator>  iters;
 123         vector<Waypoint>::iterator i = waypoints.begin(), end = waypoints.end();
 124
 125         for(; i != end; ++i)
 126         {
 127                 try { iters.push_back(value_node->find(*i)); }
 128                 catch(synfig::Exception::NotFound)
 129                 {
 130                         throw Error(_("Unable to find waypoint"));
 131                 }
 132         }
 133
 134         //check to see which valuenodes are going to override because of the time...
 135         ValueNode_Animated::findresult timeiter;
 136
 137         for(i = waypoints.begin(); i != end; ++i)
 138         {
 139                 timeiter = value_node->find_time(i->get_time());
 140
 141                 bool candelete = timeiter.second;
 142
 143                 //we only want to track overwrites (not waypoints that are also being modified)
 144                 if(candelete)
 145                 {
 146                         for(vector<WaypointList::iterator>::iterator ii = iters.begin(); ii != iters.end(); ++ii)
 147                         {
 148                                 if(timeiter.first == *ii)
 149                                 {
 150                                         candelete = false;
 151                                         break;
 152                                 }
 153                         }
 154                 }
 155
 156                 //if we can still delete it after checking, record it, and then remove them all later
 157                 if(candelete)
 158                 {
 159                         Waypoint w = *timeiter.first;
 160                         overwritten_waypoints.push_back(w);
 161                 }
 162         }
 163
 164         //overwrite all the valuenodes we're supposed to set
 165         {
 166                 i = waypoints.begin();
 167                 for(vector<WaypointList::iterator>::iterator ii = iters.begin(); ii != iters.end() && i != end; ++ii, ++i)
 168                 {
 169                         old_waypoints.push_back(**ii);
 170                         **ii = *i; //set the point to the corresponding point in the normal waypoint list
 171                 }
 172         }
 173
 174         //remove all the points we're supposed to be overwritting
 175         {
 176                 vector<Waypoint>::iterator      oi = overwritten_waypoints.begin(),
 177                                                                         oend = overwritten_waypoints.end();
 178                 for(; oi != oend; ++oi)
 179                 {
 180                         value_node->erase(*oi);
 181                 }
 182         }
 183
 184 #else
 185         try { iter=value_node->find(waypoint); }
 186         catch(synfig::Exception::NotFound)
 187         {
 188                 throw Error(_("Unable to find waypoint"));
 189         }
 190
 191         //find the value at the old time before we replace it
 192         ValueNode_Animated::findresult timeiter;
 193         timeiter = value_node->find_time(waypoint.get_time());
 194
 195         //we only want to track overwrites (not inplace modifications)
 196         if(timeiter.second && waypoint.get_uid() == timeiter.first->get_uid())
 197         {
 198                 timeiter.second = false;
 199         }
 200
 201         //copy and overwrite
 202         old_waypoint=*iter;
 203         *iter=waypoint;
 204
 205         //if we've found a unique one then we need to erase it, but store it first
 206         if(timeiter.second)
 207         {
 208                 time_overwrite = true;
 209                 overwritten_wp = *timeiter.first;
 210
 211                 value_node->erase(overwritten_wp);
 212         }
 213 #endif
 214
 215         // Signal that a valuenode has been changed
 216         value_node->changed();
 217 }
 218
 219 void
 220 Action::WaypointSet::undo()
 221 {
 222         WaypointList::iterator iter;
 223
 224 #if 1
 225         vector<Waypoint>::iterator i = old_waypoints.begin(), end = old_waypoints.end();
 226
 227         for(; i != end; ++i)
 228         {
 229                 try { iter = value_node->find(*i); }
 230                 catch(synfig::Exception::NotFound)
 231                 {
 232                         throw Error(_("Unable to find waypoint"));
 233                 }
 234
 235                 //overwrite with old one
 236                 *iter = *i;
 237         }
 238
 239         //add back in all the points that we removed before...
 240         {
 241                 vector<Waypoint>::iterator      oi = overwritten_waypoints.begin(),
 242                                                                         oend = overwritten_waypoints.end();
 243                 for(; oi != oend; ++oi)
 244                 {
 245                         value_node->add(*oi);
 246                 }
 247         }
 248
 249 #else
 250         try { iter=value_node->find(old_waypoint); }
 251         catch(synfig::Exception::NotFound)
 252         {
 253                 throw Error(_("Unable to find waypoint"));
 254         }
 255
 256         *iter=old_waypoint;
 257
 258         if(time_overwrite)
 259         {
 260                 value_node->add(overwritten_wp);
 261         }
 262 #endif
 263
 264         // Signal that a valuenode has been changed
 265         value_node->changed();
 266 }