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

   1 /* === S Y N F I G ========================================================= */
   2 /*!     \file keyframeduplicate.cpp
   3 **      \brief Template File
   4 **
   5 **      $Id: keyframeduplicate.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 "keyframeduplicate.h"
  32 #include <synfigapp/canvasinterface.h>
  33 #include <synfig/valuenode_dynamiclist.h>
  34 #include <synfig/valuenode_animated.h>
  35 #include "activepointsetsmart.h"
  36 #include "waypointsetsmart.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::KeyframeDuplicate);
  49 ACTION_SET_NAME(Action::KeyframeDuplicate,"keyframe_duplicate");
  50 ACTION_SET_LOCAL_NAME(Action::KeyframeDuplicate,"Duplicate Keyframe");
  51 ACTION_SET_TASK(Action::KeyframeDuplicate,"duplicate");
  52 ACTION_SET_CATEGORY(Action::KeyframeDuplicate,Action::CATEGORY_KEYFRAME);
  53 ACTION_SET_PRIORITY(Action::KeyframeDuplicate,0);
  54 ACTION_SET_VERSION(Action::KeyframeDuplicate,"0.0");
  55 ACTION_SET_CVS_ID(Action::KeyframeDuplicate,"$Id: keyframeduplicate.cpp,v 1.1.1.1 2005/01/07 03:34:37 darco Exp $");
  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::KeyframeDuplicate::KeyframeDuplicate()
  64 {
  65         new_keyframe.set_time(Time::begin()-1);
  66         keyframe.set_time(Time::begin()-1);
  67         set_dirty(true);
  68 }
  69
  70 Action::ParamVocab
  71 Action::KeyframeDuplicate::get_param_vocab()
  72 {
  73         ParamVocab ret(Action::CanvasSpecific::get_param_vocab());
  74
  75         ret.push_back(ParamDesc("keyframe",Param::TYPE_KEYFRAME)
  76                 .set_local_name(_("Keyframe"))
  77                 .set_desc(_("Keyframe to be duplicated"))
  78         );
  79
  80         ret.push_back(ParamDesc("time",Param::TYPE_TIME)
  81                 .set_local_name(_("Time"))
  82         );
  83
  84         return ret;
  85 }
  86
  87 bool
  88 Action::KeyframeDuplicate::is_canidate(const ParamList &x)
  89 {
  90         return canidate_check(get_param_vocab(),x);
  91 }
  92
  93 bool
  94 Action::KeyframeDuplicate::set_param(const synfig::String& name, const Action::Param &param)
  95 {
  96         if(name=="keyframe" && param.get_type()==Param::TYPE_KEYFRAME)
  97         {
  98                 keyframe=param.get_keyframe();
  99                 new_keyframe.set_description(keyframe.get_description()+_(" (Duplicate)"));
 100
 101                 return true;
 102         }
 103         if(name=="time" && param.get_type()==Param::TYPE_TIME)
 104         {
 105                 new_keyframe.set_time(param.get_time());
 106
 107                 return true;
 108         }
 109
 110         return Action::CanvasSpecific::set_param(name,param);
 111 }
 112
 113 bool
 114 Action::KeyframeDuplicate::is_ready()const
 115 {
 116         if(keyframe.get_time()==(Time::begin()-1) || new_keyframe.get_time()==(Time::begin()-1))
 117                 return false;
 118         return Action::CanvasSpecific::is_ready();
 119 }
 120
 121 void
 122 Action::KeyframeDuplicate::prepare()
 123 {
 124         clear();
 125
 126         const synfig::Time old_time=keyframe.get_time();
 127         const synfig::Time new_time=new_keyframe.get_time();
 128
 129         try { get_canvas()->keyframe_list().find(keyframe);}
 130         catch(synfig::Exception::NotFound)
 131         {
 132                 throw Error(_("Unable to find the given keyframe"));
 133         }
 134
 135         try { if(get_canvas()->keyframe_list().find(new_time)!=get_canvas()->keyframe_list().end()) throw Error(_("A Keyframe already exists at this point in time"));}
 136         catch(...) { }
 137
 138         // If the times are different, then we
 139         // will need to romp through the valuenodes
 140         // and add actions to update their values.
 141         if(new_time!=old_time)
 142         {
 143                 std::vector<synfigapp::ValueDesc> value_desc_list;
 144                 get_canvas_interface()->find_important_value_descs(value_desc_list);
 145                 while(!value_desc_list.empty())
 146                 {
 147                         process_value_desc(value_desc_list.back());
 148                         value_desc_list.pop_back();
 149                 }
 150         }
 151 }
 152
 153 void
 154 Action::KeyframeDuplicate::process_value_desc(const synfigapp::ValueDesc& value_desc)
 155 {
 156         const synfig::Time old_time=keyframe.get_time();
 157         const synfig::Time new_time=new_keyframe.get_time();
 158
 159         if(value_desc.is_value_node())
 160         {
 161                 ValueNode::Handle value_node(value_desc.get_value_node());
 162
 163                 // If we are a dynamic list, then we need to update the ActivePoints
 164                 if(ValueNode_DynamicList::Handle::cast_dynamic(value_node))
 165                 {
 166                         ValueNode_DynamicList::Handle value_node(ValueNode_DynamicList::Handle::cast_dynamic(value_node));
 167                         int i;
 168
 169                         for(i=0;i<value_node->link_count();i++)
 170                         {
 171                                 synfigapp::ValueDesc value_desc(value_node,i);
 172                                 Activepoint activepoint(value_node->list[i].new_activepoint_at_time(old_time));
 173                                 activepoint.set_time(new_time);
 174
 175                                 Action::Handle action(ActivepointSetSmart::create());
 176
 177                                 action->set_param("canvas",get_canvas());
 178                                 action->set_param("canvas_interface",get_canvas_interface());
 179                                 action->set_param("value_desc",value_desc);
 180                                 action->set_param("activepoint",activepoint);
 181
 182                                 assert(action->is_ready());
 183                                 if(!action->is_ready())
 184                                         throw Error(Error::TYPE_NOTREADY);
 185
 186                                 add_action_front(action);
 187                         }
 188                 }
 189                 else if(ValueNode_Animated::Handle::cast_dynamic(value_node))
 190                 {
 191                         ValueNode_Animated::Handle value_node(ValueNode_Animated::Handle::cast_dynamic(value_node));
 192                         Waypoint waypoint(value_node->new_waypoint_at_time(old_time));
 193                         waypoint.set_time(new_time);
 194
 195                         Action::Handle action(WaypointSetSmart::create());
 196
 197                         action->set_param("canvas",get_canvas());
 198                         action->set_param("canvas_interface",get_canvas_interface());
 199                         action->set_param("value_node",ValueNode::Handle(value_node));
 200                         action->set_param("waypoint",waypoint);
 201
 202                         assert(action->is_ready());
 203                         if(!action->is_ready())
 204                                 throw Error(Error::TYPE_NOTREADY);
 205
 206                         add_action_front(action);
 207                 }
 208         }
 209 }
 210
 211 void
 212 Action::KeyframeDuplicate::perform()
 213 {
 214         try { get_canvas()->keyframe_list().find(new_keyframe.get_time()); throw Error(_("A Keyframe already exists at this point in time"));}
 215         catch(synfig::Exception::NotFound) { }
 216
 217         try { get_canvas()->keyframe_list().find(new_keyframe); throw Error(_("This keyframe is already in the ValueNode"));}
 218         catch(synfig::Exception::NotFound) { }
 219
 220         Action::Super::perform();
 221
 222         get_canvas()->keyframe_list().add(new_keyframe);
 223
 224         if(get_canvas_interface())
 225         {
 226                 get_canvas_interface()->signal_keyframe_added()(new_keyframe);
 227         }
 228         else synfig::warning("CanvasInterface not set on action");
 229 }
 230
 231 void
 232 Action::KeyframeDuplicate::undo()
 233 {
 234         Action::Super::undo();
 235
 236         if(get_canvas_interface())
 237         {
 238                 get_canvas_interface()->signal_keyframe_removed()(new_keyframe);
 239         }
 240         else synfig::warning("CanvasInterface not set on action");
 241
 242         get_canvas()->keyframe_list().erase(new_keyframe);
 243 }