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

   1 /* === S Y N F I G ========================================================= */
   2 /*!     \file activepointsetsmart.cpp
   3 **      \brief Template File
   4 **
   5 **      $Id: activepointsetsmart.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 "activepointsetsmart.h"
  32 #include "valuenodelinkconnect.h"
  33 #include "valuenodereplace.h"
  34
  35 #include "activepointset.h"
  36 #include "activepointadd.h"
  37
  38 #include "valuedescconnect.h"
  39 #include <synfigapp/canvasinterface.h>
  40
  41 #endif
  42
  43 using namespace std;
  44 using namespace etl;
  45 using namespace synfig;
  46 using namespace synfigapp;
  47 using namespace Action;
  48
  49 /* === M A C R O S ========================================================= */
  50
  51 ACTION_INIT(Action::ActivepointSetSmart);
  52 ACTION_SET_NAME(Action::ActivepointSetSmart,"activepoint_set_smart");
  53 ACTION_SET_LOCAL_NAME(Action::ActivepointSetSmart,_("Set Activepoint (Smart)"));
  54 ACTION_SET_TASK(Action::ActivepointSetSmart,"set");
  55 ACTION_SET_CATEGORY(Action::ActivepointSetSmart,Action::CATEGORY_ACTIVEPOINT);
  56 ACTION_SET_PRIORITY(Action::ActivepointSetSmart,0);
  57 ACTION_SET_VERSION(Action::ActivepointSetSmart,"0.0");
  58 ACTION_SET_CVS_ID(Action::ActivepointSetSmart,"$Id: activepointsetsmart.cpp,v 1.1.1.1 2005/01/07 03:34:37 darco Exp $");
  59
  60 /* === G L O B A L S ======================================================= */
  61
  62 /* === P R O C E D U R E S ================================================= */
  63
  64 /* === M E T H O D S ======================================================= */
  65
  66 Action::ActivepointSetSmart::ActivepointSetSmart()
  67 {
  68         activepoint.set_time(Time::begin()-1);
  69         time_set=false;
  70         set_dirty(true);
  71 }
  72
  73 Action::ParamVocab
  74 Action::ActivepointSetSmart::get_param_vocab()
  75 {
  76         ParamVocab ret(Action::CanvasSpecific::get_param_vocab());
  77
  78         ret.push_back(ParamDesc("value_desc",Param::TYPE_VALUEDESC)
  79                 .set_local_name(_("ValueDesc"))
  80         );
  81
  82         ret.push_back(ParamDesc("activepoint",Param::TYPE_ACTIVEPOINT)
  83                 .set_local_name(_("New Activepoint"))
  84                 .set_desc(_("Activepoint to be added"))
  85                 .set_optional()
  86         );
  87
  88         ret.push_back(ParamDesc("time",Param::TYPE_TIME)
  89                 .set_local_name(_("Time"))
  90                 .set_desc(_("Time where activepoint is to be added"))
  91                 .set_optional()
  92         );
  93
  94         return ret;
  95 }
  96
  97 bool
  98 Action::ActivepointSetSmart::is_canidate(const ParamList &x)
  99 {
 100         if(canidate_check(get_param_vocab(),x))
 101         {
 102                 ValueDesc value_desc(x.find("value_desc")->second.get_value_desc());
 103                 if(!value_desc.parent_is_value_node() || !ValueNode_DynamicList::Handle::cast_dynamic(value_desc.get_parent_value_node()))
 104                         return false;
 105
 106                 // We need either a activepoint or a time.
 107                 if(x.count("activepoint") || x.count("time"))
 108                         return true;
 109         }
 110         return false;
 111 }
 112
 113 bool
 114 Action::ActivepointSetSmart::set_param(const synfig::String& name, const Action::Param &param)
 115 {
 116         if(name=="value_desc" && param.get_type()==Param::TYPE_VALUEDESC)
 117         {
 118                 value_desc=param.get_value_desc();
 119
 120                 if(!value_desc.parent_is_value_node())
 121                         return false;
 122
 123                 value_node=ValueNode_DynamicList::Handle::cast_dynamic(value_desc.get_parent_value_node());
 124
 125                 if(!value_node)
 126                         return false;
 127
 128                 index=value_desc.get_index();
 129
 130                 if(time_set)
 131                         calc_activepoint();
 132
 133                 return true;
 134         }
 135         if(name=="activepoint" && param.get_type()==Param::TYPE_ACTIVEPOINT && !time_set)
 136         {
 137                 activepoint=param.get_activepoint();
 138
 139                 return true;
 140         }
 141         if(name=="time" && param.get_type()==Param::TYPE_TIME && activepoint.get_time()==Time::begin()-1)
 142         {
 143                 activepoint.set_time(param.get_time());
 144                 time_set=true;
 145
 146                 if(value_node)
 147                         calc_activepoint();
 148
 149                 return true;
 150         }
 151
 152         return Action::CanvasSpecific::set_param(name,param);
 153
 154         return Action::CanvasSpecific::set_param(name,param);
 155 }
 156
 157 bool
 158 Action::ActivepointSetSmart::is_ready()const
 159 {
 160         if(!value_node)
 161                 synfig::error("Missing value_node");
 162
 163         if(activepoint.get_time()==(Time::begin()-1))
 164                 synfig::error("Missing activepoint");
 165
 166         if(!value_node || activepoint.get_time()==(Time::begin()-1))
 167                 return false;
 168         return Action::CanvasSpecific::is_ready();
 169 }
 170
 171 // This function is called if a time is specified, but not
 172 // a activepoint. In this case, we need to calculate the value
 173 // of the activepoint
 174 void
 175 Action::ActivepointSetSmart::calc_activepoint()
 176 {
 177 /*
 178         const Time time(activepoint.get_time());
 179         activepoint.set_state(value_node->list[index].status_at_time(time));
 180         activepoint.set_priority(0);
 181 */
 182
 183         activepoint=value_node->list[index].new_activepoint_at_time(activepoint.get_time());
 184
 185         // In this case, nothing is really changing, so there will be
 186         // no need to redraw the window
 187         set_dirty(false);
 188 }
 189
 190 void
 191 Action::ActivepointSetSmart::enclose_activepoint(const synfig::Activepoint& activepoint)
 192 {
 193         times.insert(activepoint.get_time());
 194
 195         if(get_edit_mode()&MODE_ANIMATE_PAST) try
 196         {
 197                 // Try to find prev keyframe
 198                 Keyframe keyframe(*get_canvas()->keyframe_list().find_prev(activepoint.get_time()));
 199
 200                 if(times.count(keyframe.get_time()))
 201                         throw int();
 202                 else
 203                         times.insert(keyframe.get_time());
 204
 205                 try { value_node->list[index].find(keyframe.get_time()); }
 206                 catch(synfig::Exception::NotFound)
 207                 {
 208                         Action::Handle action(ActivepointAdd::create());
 209
 210                         action->set_param("canvas",get_canvas());
 211                         action->set_param("canvas_interface",get_canvas_interface());
 212                         action->set_param("value_desc",value_desc);
 213
 214                         if(!value_node->list[index].timing_info.empty())
 215                         {
 216                                 action->set_param("time",keyframe.get_time());
 217                         }
 218                         else
 219                         {
 220                                 synfig::Activepoint tmp;
 221
 222                                 tmp.set_state(true);
 223                                 tmp.set_time(keyframe.get_time());
 224                                 action->set_param("activepoint",tmp);
 225                         }
 226
 227                         assert(action->is_ready());
 228                         if(!action->is_ready())
 229                                 throw Error(Error::TYPE_NOTREADY);
 230
 231                         add_action_front(action);
 232                 }
 233         }
 234         catch(int) { }
 235         catch(synfig::Exception::NotFound) { }
 236
 237         if(get_edit_mode()&MODE_ANIMATE_FUTURE)try
 238         {
 239                 // Try to find next keyframe
 240                 Keyframe keyframe(*get_canvas()->keyframe_list().find_next(activepoint.get_time()));
 241
 242                 if(times.count(keyframe.get_time()))
 243                         throw int();
 244                 else
 245                         times.insert(keyframe.get_time());
 246
 247                 try { value_node->list[index].find(keyframe.get_time()); }
 248                 catch(synfig::Exception::NotFound)
 249                 {
 250                         Action::Handle action(ActivepointAdd::create());
 251
 252                         action->set_param("canvas",get_canvas());
 253                         action->set_param("canvas_interface",get_canvas_interface());
 254                         action->set_param("value_desc",value_desc);
 255
 256                         if(!value_node->list[index].timing_info.empty())
 257                         {
 258                                 action->set_param("time",keyframe.get_time());
 259                         }
 260                         else
 261                         {
 262                                 synfig::Activepoint tmp;
 263
 264                                 tmp.set_state(true);
 265                                 tmp.set_time(keyframe.get_time());
 266                                 action->set_param("activepoint",tmp);
 267                         }
 268
 269                         assert(action->is_ready());
 270                         if(!action->is_ready())
 271                                 throw Error(Error::TYPE_NOTREADY);
 272
 273                         add_action_front(action);
 274                 }
 275         }
 276         catch(int) { }
 277         catch(synfig::Exception::NotFound) { }
 278 }
 279
 280 void
 281 Action::ActivepointSetSmart::prepare()
 282 {
 283         clear();
 284         times.clear();
 285
 286         // First, we need to to add any activepoints necessary to
 287         // maintain the integrity of the keyframes.
 288         enclose_activepoint(activepoint);
 289
 290         try
 291         {
 292                 if(value_node->list[index].find(activepoint)==value_node->list[index].timing_info.end())
 293                         throw int();
 294
 295                 // Then, lets try to replace the old activepoint, if it exists
 296                 enclose_activepoint(*value_node->list[index].find(activepoint));
 297
 298                 Action::Handle action(ActivepointSet::create());
 299
 300                 action->set_param("canvas",get_canvas());
 301                 action->set_param("canvas_interface",get_canvas_interface());
 302                 action->set_param("value_desc",value_desc);
 303                 action->set_param("activepoint",activepoint);
 304
 305                 assert(action->is_ready());
 306                 if(!action->is_ready())
 307                         throw Error(Error::TYPE_NOTREADY);
 308
 309                 add_action_front(action);
 310
 311                 return;
 312         }
 313         catch(int){}
 314         catch(Exception::NotFound){}
 315
 316         try
 317         {
 318                 // Check to see if a activepoint exists at this point in time
 319                 activepoint.mimic(*value_node->list[index].find(activepoint.get_time()));
 320
 321                 enclose_activepoint(*value_node->list[index].find(activepoint.get_time()));
 322
 323                 Action::Handle action(ActivepointSet::create());
 324
 325                 action->set_param("canvas",get_canvas());
 326                 action->set_param("canvas_interface",get_canvas_interface());
 327                 action->set_param("value_desc",value_desc);
 328                 action->set_param("activepoint",activepoint);
 329
 330                 assert(action->is_ready());
 331                 if(!action->is_ready())
 332                         throw Error(Error::TYPE_NOTREADY);
 333
 334                 add_action_front(action);
 335
 336                 return;
 337         }
 338         catch(int){}
 339         catch(Exception::NotFound){}
 340
 341         try
 342         {
 343                 // At this point we know that the old activepoint doesn't exist,
 344                 // so we need to create it.
 345                 Action::Handle action(ActivepointAdd::create());
 346
 347                 action->set_param("canvas",get_canvas());
 348                 action->set_param("canvas_interface",get_canvas_interface());
 349                 action->set_param("value_desc",value_desc);
 350                 action->set_param("activepoint",activepoint);
 351
 352                 assert(action->is_ready());
 353                 if(!action->is_ready())
 354                         throw Error(Error::TYPE_NOTREADY);
 355
 356                 add_action_front(action);
 357
 358                 return;
 359         }
 360         catch(int){}
 361         catch(Exception::NotFound){}
 362
 363         throw Error(_("Unable to determine how to procede. This is a bug."));
 364 }