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

   1 /* === S Y N F I G ========================================================= */
   2 /*!     \file activepointseton.cpp
   3 **      \brief Template File
   4 **
   5 **      $Id: activepointseton.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 "activepointseton.h"
  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::ActivepointSetOn);
  53 ACTION_SET_NAME(Action::ActivepointSetOn,"activepoint_set_on");
  54 ACTION_SET_LOCAL_NAME(Action::ActivepointSetOn,_("Mark Activepoint as \"On\""));
  55 ACTION_SET_TASK(Action::ActivepointSetOn,"set_on");
  56 ACTION_SET_CATEGORY(Action::ActivepointSetOn,Action::CATEGORY_ACTIVEPOINT|Action::CATEGORY_VALUEDESC);
  57 ACTION_SET_PRIORITY(Action::ActivepointSetOn,-10);
  58 ACTION_SET_VERSION(Action::ActivepointSetOn,"0.0");
  59 ACTION_SET_CVS_ID(Action::ActivepointSetOn,"$Id: activepointseton.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::ActivepointSetOn::ActivepointSetOn()
  68 {
  69         activepoint.set_time(Time::begin()-1);
  70         time_set=false;
  71         set_dirty(true);
  72 }
  73
  74 Action::ParamVocab
  75 Action::ActivepointSetOn::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(_("Activepoint"))
  85                 .set_optional()
  86         );
  87
  88         ret.push_back(ParamDesc("time",Param::TYPE_TIME)
  89                 .set_local_name(_("Time"))
  90                 .set_optional()
  91         );
  92
  93         return ret;
  94 }
  95
  96 bool
  97 Action::ActivepointSetOn::is_canidate(const ParamList &x)
  98 {
  99         if(canidate_check(get_param_vocab(),x))
 100         {
 101                 ValueDesc value_desc(x.find("value_desc")->second.get_value_desc());
 102                 if(!value_desc.parent_is_value_node() || !ValueNode_DynamicList::Handle::cast_dynamic(value_desc.get_parent_value_node()))
 103                         return false;
 104
 105                 // We are only a canidate if this canvas is animated.
 106                 Canvas::Handle canvas(x.find("canvas")->second.get_canvas());
 107                 if(canvas->rend_desc().get_time_start()==canvas->rend_desc().get_time_end())
 108                         return false;
 109
 110                 // We need either a activepoint or a time.
 111                 if(x.count("activepoint") || x.count("time"))
 112                         return true;
 113         }
 114         return false;
 115 }
 116
 117 bool
 118 Action::ActivepointSetOn::set_param(const synfig::String& name, const Action::Param &param)
 119 {
 120         if(name=="value_desc" && param.get_type()==Param::TYPE_VALUEDESC)
 121         {
 122                 value_desc=param.get_value_desc();
 123
 124                 if(!value_desc.parent_is_value_node())
 125                         return false;
 126
 127                 value_node=ValueNode_DynamicList::Handle::cast_dynamic(value_desc.get_parent_value_node());
 128
 129                 if(!value_node)
 130                         return false;
 131
 132                 index=value_desc.get_index();
 133
 134                 if(time_set)
 135                         calc_activepoint();
 136
 137                 return true;
 138         }
 139         if(name=="activepoint" && param.get_type()==Param::TYPE_ACTIVEPOINT && !time_set)
 140         {
 141                 activepoint=param.get_activepoint();
 142
 143                 return true;
 144         }
 145         if(name=="time" && param.get_type()==Param::TYPE_TIME && activepoint.get_time()==Time::begin()-1)
 146         {
 147                 activepoint.set_time(param.get_time());
 148                 time_set=true;
 149
 150                 if(value_node)
 151                         calc_activepoint();
 152
 153                 return true;
 154         }
 155
 156         return Action::CanvasSpecific::set_param(name,param);
 157 }
 158
 159 bool
 160 Action::ActivepointSetOn::is_ready()const
 161 {
 162         if(!value_node)
 163                 synfig::error("Missing value_node");
 164
 165         if(activepoint.get_time()==(Time::begin()-1))
 166                 synfig::error("Missing activepoint");
 167
 168         if(!value_node || activepoint.get_time()==(Time::begin()-1))
 169                 return false;
 170         return Action::CanvasSpecific::is_ready();
 171 }
 172
 173 // This function is called if a time is specified, but not
 174 // a activepoint. In this case, we need to calculate the value
 175 // of the activepoint
 176 void
 177 Action::ActivepointSetOn::calc_activepoint()
 178 {
 179         const Time time(activepoint.get_time());
 180
 181         try { activepoint=*value_node->list[index].find(time); }
 182         catch(...)
 183         {
 184                 activepoint.set_time(time);
 185                 activepoint.set_state(value_node->list[index].status_at_time(time));
 186                 activepoint.set_priority(0);
 187         }
 188 }
 189
 190 void
 191 Action::ActivepointSetOn::prepare()
 192 {
 193         clear();
 194
 195         // Turn the activepoint off
 196         activepoint.set_state(true);
 197
 198         Action::Handle action(ActivepointSetSmart::create());
 199
 200         action->set_param("edit_mode",get_edit_mode());
 201         action->set_param("canvas",get_canvas());
 202         action->set_param("canvas_interface",get_canvas_interface());
 203         action->set_param("value_desc",value_desc);
 204         action->set_param("activepoint",activepoint);
 205
 206         assert(action->is_ready());
 207         if(!action->is_ready())
 208                 throw Error(Error::TYPE_NOTREADY);
 209
 210         add_action_front(action);
 211
 212 }