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

   1 /* === S Y N F I G ========================================================= */
   2 /*!     \file acitvepointadd.cpp
   3 **      \brief Template File
   4 **
   5 **      $Id: activepointadd.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 "activepointadd.h"
  32 #include <synfigapp/canvasinterface.h>
  33
  34 #endif
  35
  36 using namespace std;
  37 using namespace etl;
  38 using namespace synfig;
  39 using namespace synfigapp;
  40 using namespace Action;
  41
  42 /* === M A C R O S ========================================================= */
  43
  44 ACTION_INIT(Action::ActivepointAdd);
  45 ACTION_SET_NAME(Action::ActivepointAdd,"activepoint_add");
  46 ACTION_SET_LOCAL_NAME(Action::ActivepointAdd,"Add Activepoint");
  47 ACTION_SET_TASK(Action::ActivepointAdd,"add");
  48 ACTION_SET_CATEGORY(Action::ActivepointAdd,Action::CATEGORY_ACTIVEPOINT);
  49 ACTION_SET_PRIORITY(Action::ActivepointAdd,0);
  50 ACTION_SET_VERSION(Action::ActivepointAdd,"0.0");
  51 ACTION_SET_CVS_ID(Action::ActivepointAdd,"$Id: activepointadd.cpp,v 1.1.1.1 2005/01/07 03:34:37 darco Exp $");
  52
  53 /* === G L O B A L S ======================================================= */
  54
  55 /* === P R O C E D U R E S ================================================= */
  56
  57 /* === M E T H O D S ======================================================= */
  58
  59 Action::ActivepointAdd::ActivepointAdd()
  60 {
  61         activepoint.set_time(Time::begin()-1);
  62         time_set=false;
  63         set_dirty(true);
  64 }
  65
  66 Action::ParamVocab
  67 Action::ActivepointAdd::get_param_vocab()
  68 {
  69         ParamVocab ret(Action::CanvasSpecific::get_param_vocab());
  70
  71         ret.push_back(ParamDesc("value_desc",Param::TYPE_VALUEDESC)
  72                 .set_local_name(_("ValueDesc"))
  73         );
  74
  75         ret.push_back(ParamDesc("activepoint",Param::TYPE_ACTIVEPOINT)
  76                 .set_local_name(_("New Activepoint"))
  77                 .set_desc(_("Activepoint to be added"))
  78                 .set_optional()
  79         );
  80
  81         ret.push_back(ParamDesc("time",Param::TYPE_TIME)
  82                 .set_local_name(_("Time"))
  83                 .set_desc(_("Time where activepoint is to be added"))
  84                 .set_optional()
  85         );
  86
  87         return ret;
  88 }
  89
  90 bool
  91 Action::ActivepointAdd::is_canidate(const ParamList &x)
  92 {
  93         if(canidate_check(get_param_vocab(),x))
  94         {
  95                 ValueDesc value_desc(x.find("value_desc")->second.get_value_desc());
  96                 if(!value_desc.parent_is_value_node() || !ValueNode_DynamicList::Handle::cast_dynamic(value_desc.get_parent_value_node()))
  97                         return false;
  98
  99                 // We need either a activepoint or a time.
 100                 if(x.count("activepoint") || x.count("time"))
 101                         return true;
 102         }
 103         return false;
 104 }
 105
 106 bool
 107 Action::ActivepointAdd::set_param(const synfig::String& name, const Action::Param &param)
 108 {
 109         if(name=="value_desc" && param.get_type()==Param::TYPE_VALUEDESC)
 110         {
 111                 ValueDesc value_desc(param.get_value_desc());
 112
 113                 if(!value_desc.parent_is_value_node())
 114                         return false;
 115
 116                 value_node=ValueNode_DynamicList::Handle::cast_dynamic(value_desc.get_parent_value_node());
 117
 118                 if(!value_node)
 119                         return false;
 120
 121                 index=value_desc.get_index();
 122
 123                 if(time_set)
 124                         calc_activepoint();
 125
 126                 return true;
 127         }
 128         if(name=="activepoint" && param.get_type()==Param::TYPE_ACTIVEPOINT && !time_set)
 129         {
 130                 activepoint=param.get_activepoint();
 131
 132                 return true;
 133         }
 134         if(name=="time" && param.get_type()==Param::TYPE_TIME && activepoint.get_time()==Time::begin()-1)
 135         {
 136                 activepoint.set_time(param.get_time());
 137                 time_set=true;
 138
 139                 if(value_node)
 140                         calc_activepoint();
 141
 142                 return true;
 143         }
 144
 145         return Action::CanvasSpecific::set_param(name,param);
 146 }
 147
 148 bool
 149 Action::ActivepointAdd::is_ready()const
 150 {
 151         if(!value_node || activepoint.get_time()==(Time::begin()-1))
 152                 return false;
 153         return Action::CanvasSpecific::is_ready();
 154 }
 155
 156 // This function is called if a time is specified, but not
 157 // a activepoint. In this case, we need to calculate the value
 158 // of the activepoint
 159 void
 160 Action::ActivepointAdd::calc_activepoint()
 161 {
 162         const Time time(activepoint.get_time());
 163         activepoint.set_state(value_node->list[index].status_at_time(time));
 164         activepoint.set_priority(0);
 165
 166         // In this case, nothing is really changing, so there will be
 167         // no need to redraw the window
 168         set_dirty(false);
 169 }
 170
 171 void
 172 Action::ActivepointAdd::perform()
 173 {
 174         try { value_node->list[index].find(activepoint.get_time()); throw Error(_("A Activepoint already exists at this point in time"));}
 175         catch(synfig::Exception::NotFound) { }
 176
 177         try { if(value_node->list[index].find(activepoint)!=value_node->list[index].timing_info.end()) throw Error(_("This activepoint is already in the ValueNode"));}
 178         catch(synfig::Exception::NotFound) { }
 179
 180         value_node->list[index].add(activepoint);
 181         value_node->changed();
 182
 183         /*if(get_canvas_interface())
 184         {
 185                 get_canvas_interface()->signal_value_node_changed()(value_node);
 186         }
 187         else synfig::warning("CanvasInterface not set on action");
 188         */
 189 }
 190
 191 void
 192 Action::ActivepointAdd::undo()
 193 {
 194         value_node->list[index].erase(activepoint);
 195         value_node->changed();
 196         /*
 197         // Signal that a layer has been inserted
 198         if(get_canvas_interface())
 199         {
 200                 get_canvas_interface()->signal_value_node_changed()(value_node);
 201         }
 202         else synfig::warning("CanvasInterface not set on action");
 203         */
 204 }