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

   1 /* === S Y N F I G ========================================================= */
   2 /*!     \file activepointset.cpp
   3 **      \brief Template File
   4 **
   5 **      $Id$
   6 **
   7 **      \legal
   8 **      Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
   9 **  Copyright (c) 2008 Chris Moore
  10 **
  11 **      This package is free software; you can redistribute it and/or
  12 **      modify it under the terms of the GNU General Public License as
  13 **      published by the Free Software Foundation; either version 2 of
  14 **      the License, or (at your option) any later version.
  15 **
  16 **      This package is distributed in the hope that it will be useful,
  17 **      but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 **      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  19 **      General Public License for more details.
  20 **      \endlegal
  21 */
  22 /* ========================================================================= */
  23
  24 /* === H E A D E R S ======================================================= */
  25
  26 #ifdef USING_PCH
  27 #       include "pch.h"
  28 #else
  29 #ifdef HAVE_CONFIG_H
  30 #       include <config.h>
  31 #endif
  32
  33 #include "activepointset.h"
  34 #include <synfigapp/canvasinterface.h>
  35
  36 #include <synfigapp/general.h>
  37
  38 #endif
  39
  40 using namespace std;
  41 using namespace etl;
  42 using namespace synfig;
  43 using namespace synfigapp;
  44 using namespace Action;
  45
  46 /* === M A C R O S ========================================================= */
  47
  48 ACTION_INIT(Action::ActivepointSet);
  49 ACTION_SET_NAME(Action::ActivepointSet,"ActivepointSet");
  50 ACTION_SET_LOCAL_NAME(Action::ActivepointSet,N_("Set Activepoint"));
  51 ACTION_SET_TASK(Action::ActivepointSet,"set");
  52 ACTION_SET_CATEGORY(Action::ActivepointSet,Action::CATEGORY_ACTIVEPOINT);
  53 ACTION_SET_PRIORITY(Action::ActivepointSet,0);
  54 ACTION_SET_VERSION(Action::ActivepointSet,"0.0");
  55 ACTION_SET_CVS_ID(Action::ActivepointSet,"$Id$");
  56
  57 /* === G L O B A L S ======================================================= */
  58
  59 /* === P R O C E D U R E S ================================================= */
  60
  61 /* === M E T H O D S ======================================================= */
  62
  63 Action::ActivepointSet::ActivepointSet()
  64 {
  65         set_dirty(true);
  66 }
  67
  68 Action::ParamVocab
  69 Action::ActivepointSet::get_param_vocab()
  70 {
  71         ParamVocab ret(Action::CanvasSpecific::get_param_vocab());
  72
  73         ret.push_back(ParamDesc("value_desc",Param::TYPE_VALUEDESC)
  74                 .set_local_name(_("ValueDesc"))
  75         );
  76
  77         ret.push_back(ParamDesc("activepoint",Param::TYPE_ACTIVEPOINT)
  78                 .set_local_name(_("Activepoint"))
  79                 .set_desc(_("Activepoint to be changed"))
  80                 .set_supports_multiple()
  81         );
  82
  83         return ret;
  84 }
  85
  86 bool
  87 Action::ActivepointSet::is_candidate(const ParamList &x)
  88 {
  89         if (!candidate_check(get_param_vocab(),x))
  90                 return false;
  91
  92         ValueDesc value_desc(x.find("value_desc")->second.get_value_desc());
  93
  94         return (value_desc.parent_is_value_node() &&
  95                         // We need a dynamic list.
  96                         ValueNode_DynamicList::Handle::cast_dynamic(value_desc.get_parent_value_node()));
  97 }
  98
  99 bool
 100 Action::ActivepointSet::set_param(const synfig::String& name, const Action::Param &param)
 101 {
 102         if(name=="value_desc" && param.get_type()==Param::TYPE_VALUEDESC)
 103         {
 104                 ValueDesc value_desc(param.get_value_desc());
 105
 106                 if(!value_desc.parent_is_value_node())
 107                         return false;
 108
 109                 value_node=ValueNode_DynamicList::Handle::cast_dynamic(value_desc.get_parent_value_node());
 110
 111                 if(!value_node)
 112                         return false;
 113
 114                 index=value_desc.get_index();
 115
 116                 return true;
 117         }
 118         if(name=="activepoint" && param.get_type()==Param::TYPE_ACTIVEPOINT)
 119         {
 120                 //NOTE: there is no duplication checking at the moment
 121                 activepoints.push_back(param.get_activepoint());
 122
 123                 return true;
 124         }
 125
 126         return Action::CanvasSpecific::set_param(name,param);
 127 }
 128
 129 bool
 130 Action::ActivepointSet::is_ready()const
 131 {
 132         if(!value_node || activepoints.empty())
 133                 return false;
 134         return Action::CanvasSpecific::is_ready();
 135 }
 136
 137 void
 138 Action::ActivepointSet::perform()
 139 {
 140         typedef ValueNode_DynamicList::ListEntry::ActivepointList AList;
 141         AList::iterator iter;
 142
 143 #if 1
 144         vector<AList::iterator> iters;
 145         vector<Activepoint>::iterator i = activepoints.begin(), end = activepoints.end();
 146
 147         for(; i != end; ++i)
 148         {
 149                 try { iters.push_back(value_node->list[index].find(*i)); }
 150                 catch(synfig::Exception::NotFound)
 151                 {
 152                         throw Error(_("Unable to find activepoint"));
 153                 }
 154         }
 155
 156         //check to see which valuenodes are going to override because of the time...
 157         ValueNode_DynamicList::ListEntry::findresult timeiter;
 158
 159         for(i = activepoints.begin(); i != end; ++i)
 160         {
 161                 timeiter = value_node->list[index].find_time(i->get_time());
 162
 163                 bool candelete = timeiter.second;
 164
 165                 //we only want to track overwrites (not activepoints that are also being modified)
 166                 if(candelete)
 167                 {
 168                         for(vector<AList::iterator>::iterator ii = iters.begin(); ii != iters.end(); ++ii)
 169                         {
 170                                 if(timeiter.first == *ii)
 171                                 {
 172                                         candelete = false;
 173                                         break;
 174                                 }
 175                         }
 176                 }
 177
 178                 //if we can still delete it after checking, record it, and then remove them all later
 179                 if(candelete)
 180                 {
 181                         Activepoint a = *timeiter.first;
 182                         overwritten_activepoints.push_back(a);
 183                 }
 184         }
 185
 186         //overwrite all the valuenodes we're supposed to set
 187         {
 188                 i = activepoints.begin();
 189                 for(vector<AList::iterator>::iterator ii = iters.begin(); ii != iters.end() && i != end; ++ii, ++i)
 190                 {
 191                         old_activepoints.push_back(**ii);
 192                         **ii = *i; //set the point to the corresponding point in the normal waypoint list
 193                 }
 194         }
 195
 196         //remove all the points we're supposed to be overwriting
 197         {
 198                 vector<Activepoint>::iterator   oi = overwritten_activepoints.begin(),
 199                                                                                 oend = overwritten_activepoints.end();
 200                 for(; oi != oend; ++oi)
 201                 {
 202                         value_node->list[index].erase(*oi);
 203                 }
 204         }
 205
 206 #else
 207         try { iter=value_node->list[index].find(activepoint); }
 208         catch(synfig::Exception::NotFound)
 209         {
 210                 throw Error(_("Unable to find activepoint"));
 211         }
 212
 213         //find the value at the old time before we replace it
 214         ValueNode_DynamicList::ListEntry::findresult timeiter;
 215         timeiter = value_node->list[index].find_time(activepoint.get_time());
 216
 217         //we only want to track overwrites (not inplace modifications)
 218         if(timeiter.second && activepoint.get_uid() == timeiter.first->get_uid())
 219         {
 220                 timeiter.second = false;
 221         }
 222
 223         old_activepoint=*iter;
 224         *iter=activepoint;
 225
 226         if(timeiter.second)
 227         {
 228                 synfig::info("Erasing the found activepoint");
 229                 time_overwrite = true;
 230                 overwritten_ap = *timeiter.first;
 231
 232                 value_node->list[index].erase(overwritten_ap);
 233         }
 234
 235 #endif
 236
 237         value_node->list[index].timing_info.sort();
 238
 239         // Signal that a valuenode has been changed
 240         value_node->changed();
 241 }
 242
 243 void
 244 Action::ActivepointSet::undo()
 245 {
 246         ValueNode_DynamicList::ListEntry::ActivepointList::iterator iter;
 247
 248 #if 1
 249         vector<Activepoint>::iterator i = old_activepoints.begin(), end = old_activepoints.end();
 250
 251         for(; i != end; ++i)
 252         {
 253                 try { iter = value_node->list[index].find(*i); }
 254                 catch(synfig::Exception::NotFound)
 255                 {
 256                         throw Error(_("Unable to find activepoint"));
 257                 }
 258
 259                 //overwrite with old one
 260                 *iter = *i;
 261         }
 262
 263         //add back in all the points that we removed before...
 264         {
 265                 vector<Activepoint>::iterator   oi = overwritten_activepoints.begin(),
 266                                                                                 oend = overwritten_activepoints.end();
 267                 for(; oi != oend; ++oi)
 268                 {
 269                         value_node->list[index].add(*oi);
 270                 }
 271         }
 272
 273 #else
 274         try { iter=value_node->list[index].find(activepoint); }
 275         catch(synfig::Exception::NotFound)
 276         {
 277                 throw Error(_("Unable to find activepoint"));
 278         }
 279
 280         *iter=old_activepoint;
 281
 282         if(time_overwrite)
 283         {
 284                 value_node->list[index].add(overwritten_ap);
 285         }
 286 #endif
 287
 288         value_node->list[index].timing_info.sort();
 289
 290         // Signal that a valuenode has been changed
 291         value_node->changed();
 292 }