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