synfig-studio/tags/synfigstudio_0_61_05/synfig-studio/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) 2002-2005 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 "activepointsetsmart.h"
  33 #include "valuenodelinkconnect.h"
  34 #include "valuenodereplace.h"
  35
  36 #include "activepointset.h"
  37 #include "activepointadd.h"
  38
  39 #include "valuedescconnect.h"
  40 #include <synfigapp/canvasinterface.h>
  41
  42 #endif
  43
  44 using namespace std;
  45 using namespace etl;
  46 using namespace synfig;
  47 using namespace synfigapp;
  48 using namespace Action;
  49
  50 /* === M A C R O S ========================================================= */
  51
  52 ACTION_INIT(Action::ActivepointSetSmart);
  53 ACTION_SET_NAME(Action::ActivepointSetSmart,"activepoint_set_smart");
  54 ACTION_SET_LOCAL_NAME(Action::ActivepointSetSmart,_("Set Activepoint (Smart)"));
  55 ACTION_SET_TASK(Action::ActivepointSetSmart,"set");
  56 ACTION_SET_CATEGORY(Action::ActivepointSetSmart,Action::CATEGORY_ACTIVEPOINT);
  57 ACTION_SET_PRIORITY(Action::ActivepointSetSmart,0);
  58 ACTION_SET_VERSION(Action::ActivepointSetSmart,"0.0");
  59 ACTION_SET_CVS_ID(Action::ActivepointSetSmart,"$Id: activepointsetsmart.cpp,v 1.1.1.1 2005/01/07 03:34:37 darco Exp $");
  60
  61 /* === G L O B A L S ======================================================= */
  62
  63 /* === P R O C E D U R E S ================================================= */
  64
  65 /* === M E T H O D S ======================================================= */
  66
  67 Action::ActivepointSetSmart::ActivepointSetSmart()
  68 {
  69         activepoint.set_time(Time::begin()-1);
  70         time_set=false;
  71         set_dirty(true);
  72 }
  73
  74 Action::ParamVocab
  75 Action::ActivepointSetSmart::get_param_vocab()
  76 {
  77         ParamVocab ret(Action::CanvasSpecific::get_param_vocab());
  78
  79         ret.push_back(ParamDesc("value_desc",Param::TYPE_VALUEDESC)
  80                 .set_local_name(_("ValueDesc"))
  81         );
  82
  83         ret.push_back(ParamDesc("activepoint",Param::TYPE_ACTIVEPOINT)
  84                 .set_local_name(_("New Activepoint"))
  85                 .set_desc(_("Activepoint to be added"))
  86                 .set_optional()
  87         );
  88
  89         ret.push_back(ParamDesc("time",Param::TYPE_TIME)
  90                 .set_local_name(_("Time"))
  91                 .set_desc(_("Time where activepoint is to be added"))
  92                 .set_optional()
  93         );
  94
  95         return ret;
  96 }
  97
  98 bool
  99 Action::ActivepointSetSmart::is_canidate(const ParamList &x)
 100 {
 101         if(canidate_check(get_param_vocab(),x))
 102         {
 103                 ValueDesc value_desc(x.find("value_desc")->second.get_value_desc());
 104                 if(!value_desc.parent_is_value_node() || !ValueNode_DynamicList::Handle::cast_dynamic(value_desc.get_parent_value_node()))
 105                         return false;
 106
 107                 // We need either a activepoint or a time.
 108                 if(x.count("activepoint") || x.count("time"))
 109                         return true;
 110         }
 111         return false;
 112 }
 113
 114 bool
 115 Action::ActivepointSetSmart::set_param(const synfig::String& name, const Action::Param &param)
 116 {
 117         if(name=="value_desc" && param.get_type()==Param::TYPE_VALUEDESC)
 118         {
 119                 value_desc=param.get_value_desc();
 120
 121                 if(!value_desc.parent_is_value_node())
 122                         return false;
 123
 124                 value_node=ValueNode_DynamicList::Handle::cast_dynamic(value_desc.get_parent_value_node());
 125
 126                 if(!value_node)
 127                         return false;
 128
 129                 index=value_desc.get_index();
 130
 131                 if(time_set)
 132                         calc_activepoint();
 133
 134                 return true;
 135         }
 136         if(name=="activepoint" && param.get_type()==Param::TYPE_ACTIVEPOINT && !time_set)
 137         {
 138                 activepoint=param.get_activepoint();
 139
 140                 return true;
 141         }
 142         if(name=="time" && param.get_type()==Param::TYPE_TIME && activepoint.get_time()==Time::begin()-1)
 143         {
 144                 activepoint.set_time(param.get_time());
 145                 time_set=true;
 146
 147                 if(value_node)
 148                         calc_activepoint();
 149
 150                 return true;
 151         }
 152
 153         return Action::CanvasSpecific::set_param(name,param);
 154
 155         return Action::CanvasSpecific::set_param(name,param);
 156 }
 157
 158 bool
 159 Action::ActivepointSetSmart::is_ready()const
 160 {
 161         if(!value_node)
 162                 synfig::error("Missing value_node");
 163
 164         if(activepoint.get_time()==(Time::begin()-1))
 165                 synfig::error("Missing activepoint");
 166
 167         if(!value_node || activepoint.get_time()==(Time::begin()-1))
 168                 return false;
 169         return Action::CanvasSpecific::is_ready();
 170 }
 171
 172 // This function is called if a time is specified, but not
 173 // a activepoint. In this case, we need to calculate the value
 174 // of the activepoint
 175 void
 176 Action::ActivepointSetSmart::calc_activepoint()
 177 {
 178 /*
 179         const Time time(activepoint.get_time());
 180         activepoint.set_state(value_node->list[index].status_at_time(time));
 181         activepoint.set_priority(0);
 182 */
 183
 184         activepoint=value_node->list[index].new_activepoint_at_time(activepoint.get_time());
 185
 186         // In this case, nothing is really changing, so there will be
 187         // no need to redraw the window
 188         set_dirty(false);
 189 }
 190
 191 void
 192 Action::ActivepointSetSmart::enclose_activepoint(const synfig::Activepoint& activepoint)
 193 {
 194         times.insert(activepoint.get_time());
 195
 196         if(get_edit_mode()&MODE_ANIMATE_PAST) try
 197         {
 198                 // Try to find prev keyframe
 199                 Keyframe keyframe(*get_canvas()->keyframe_list().find_prev(activepoint.get_time()));
 200
 201                 if(times.count(keyframe.get_time()))
 202                         throw int();
 203                 else
 204                         times.insert(keyframe.get_time());
 205
 206                 try { value_node->list[index].find(keyframe.get_time()); }
 207                 catch(synfig::Exception::NotFound)
 208                 {
 209                         Action::Handle action(ActivepointAdd::create());
 210
 211                         action->set_param("canvas",get_canvas());
 212                         action->set_param("canvas_interface",get_canvas_interface());
 213                         action->set_param("value_desc",value_desc);
 214
 215                         if(!value_node->list[index].timing_info.empty())
 216                         {
 217                                 action->set_param("time",keyframe.get_time());
 218                         }
 219                         else
 220                         {
 221                                 synfig::Activepoint tmp;
 222
 223                                 tmp.set_state(true);
 224                                 tmp.set_time(keyframe.get_time());
 225                                 action->set_param("activepoint",tmp);
 226                         }
 227
 228                         assert(action->is_ready());
 229                         if(!action->is_ready())
 230                                 throw Error(Error::TYPE_NOTREADY);
 231
 232                         add_action_front(action);
 233                 }
 234         }
 235         catch(int) { }
 236         catch(synfig::Exception::NotFound) { }
 237
 238         if(get_edit_mode()&MODE_ANIMATE_FUTURE)try
 239         {
 240                 // Try to find next keyframe
 241                 Keyframe keyframe(*get_canvas()->keyframe_list().find_next(activepoint.get_time()));
 242
 243                 if(times.count(keyframe.get_time()))
 244                         throw int();
 245                 else
 246                         times.insert(keyframe.get_time());
 247
 248                 try { value_node->list[index].find(keyframe.get_time()); }
 249                 catch(synfig::Exception::NotFound)
 250                 {
 251                         Action::Handle action(ActivepointAdd::create());
 252
 253                         action->set_param("canvas",get_canvas());
 254                         action->set_param("canvas_interface",get_canvas_interface());
 255                         action->set_param("value_desc",value_desc);
 256
 257                         if(!value_node->list[index].timing_info.empty())
 258                         {
 259                                 action->set_param("time",keyframe.get_time());
 260                         }
 261                         else
 262                         {
 263                                 synfig::Activepoint tmp;
 264
 265                                 tmp.set_state(true);
 266                                 tmp.set_time(keyframe.get_time());
 267                                 action->set_param("activepoint",tmp);
 268                         }
 269
 270                         assert(action->is_ready());
 271                         if(!action->is_ready())
 272                                 throw Error(Error::TYPE_NOTREADY);
 273
 274                         add_action_front(action);
 275                 }
 276         }
 277         catch(int) { }
 278         catch(synfig::Exception::NotFound) { }
 279 }
 280
 281 void
 282 Action::ActivepointSetSmart::prepare()
 283 {
 284         clear();
 285         times.clear();
 286
 287         // First, we need to to add any activepoints necessary to
 288         // maintain the integrity of the keyframes.
 289         enclose_activepoint(activepoint);
 290
 291         try
 292         {
 293                 if(value_node->list[index].find(activepoint)==value_node->list[index].timing_info.end())
 294                         throw int();
 295
 296                 // Then, lets try to replace the old activepoint, if it exists
 297                 enclose_activepoint(*value_node->list[index].find(activepoint));
 298
 299                 Action::Handle action(ActivepointSet::create());
 300
 301                 action->set_param("canvas",get_canvas());
 302                 action->set_param("canvas_interface",get_canvas_interface());
 303                 action->set_param("value_desc",value_desc);
 304                 action->set_param("activepoint",activepoint);
 305
 306                 assert(action->is_ready());
 307                 if(!action->is_ready())
 308                         throw Error(Error::TYPE_NOTREADY);
 309
 310                 add_action_front(action);
 311
 312                 return;
 313         }
 314         catch(int){}
 315         catch(Exception::NotFound){}
 316
 317         try
 318         {
 319                 // Check to see if a activepoint exists at this point in time
 320                 activepoint.mimic(*value_node->list[index].find(activepoint.get_time()));
 321
 322                 enclose_activepoint(*value_node->list[index].find(activepoint.get_time()));
 323
 324                 Action::Handle action(ActivepointSet::create());
 325
 326                 action->set_param("canvas",get_canvas());
 327                 action->set_param("canvas_interface",get_canvas_interface());
 328                 action->set_param("value_desc",value_desc);
 329                 action->set_param("activepoint",activepoint);
 330
 331                 assert(action->is_ready());
 332                 if(!action->is_ready())
 333                         throw Error(Error::TYPE_NOTREADY);
 334
 335                 add_action_front(action);
 336
 337                 return;
 338         }
 339         catch(int){}
 340         catch(Exception::NotFound){}
 341
 342         try
 343         {
 344                 // At this point we know that the old activepoint doesn't exist,
 345                 // so we need to create it.
 346                 Action::Handle action(ActivepointAdd::create());
 347
 348                 action->set_param("canvas",get_canvas());
 349                 action->set_param("canvas_interface",get_canvas_interface());
 350                 action->set_param("value_desc",value_desc);
 351                 action->set_param("activepoint",activepoint);
 352
 353                 assert(action->is_ready());
 354                 if(!action->is_ready())
 355                         throw Error(Error::TYPE_NOTREADY);
 356
 357                 add_action_front(action);
 358
 359                 return;
 360         }
 361         catch(int){}
 362         catch(Exception::NotFound){}
 363
 364         throw Error(_("Unable to determine how to procede. This is a bug."));
 365 }