synfig-studio/tags/synfigstudio_0_61_03/synfig-studio/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) 2002-2005 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 "activepointadd.h"
  33 #include <synfigapp/canvasinterface.h>
  34
  35 #endif
  36
  37 using namespace std;
  38 using namespace etl;
  39 using namespace synfig;
  40 using namespace synfigapp;
  41 using namespace Action;
  42
  43 /* === M A C R O S ========================================================= */
  44
  45 ACTION_INIT(Action::ActivepointAdd);
  46 ACTION_SET_NAME(Action::ActivepointAdd,"activepoint_add");
  47 ACTION_SET_LOCAL_NAME(Action::ActivepointAdd,"Add Activepoint");
  48 ACTION_SET_TASK(Action::ActivepointAdd,"add");
  49 ACTION_SET_CATEGORY(Action::ActivepointAdd,Action::CATEGORY_ACTIVEPOINT);
  50 ACTION_SET_PRIORITY(Action::ActivepointAdd,0);
  51 ACTION_SET_VERSION(Action::ActivepointAdd,"0.0");
  52 ACTION_SET_CVS_ID(Action::ActivepointAdd,"$Id: activepointadd.cpp,v 1.1.1.1 2005/01/07 03:34:37 darco Exp $");
  53
  54 /* === G L O B A L S ======================================================= */
  55
  56 /* === P R O C E D U R E S ================================================= */
  57
  58 /* === M E T H O D S ======================================================= */
  59
  60 Action::ActivepointAdd::ActivepointAdd()
  61 {
  62         activepoint.set_time(Time::begin()-1);
  63         time_set=false;
  64         set_dirty(true);
  65 }
  66
  67 Action::ParamVocab
  68 Action::ActivepointAdd::get_param_vocab()
  69 {
  70         ParamVocab ret(Action::CanvasSpecific::get_param_vocab());
  71
  72         ret.push_back(ParamDesc("value_desc",Param::TYPE_VALUEDESC)
  73                 .set_local_name(_("ValueDesc"))
  74         );
  75
  76         ret.push_back(ParamDesc("activepoint",Param::TYPE_ACTIVEPOINT)
  77                 .set_local_name(_("New Activepoint"))
  78                 .set_desc(_("Activepoint to be added"))
  79                 .set_optional()
  80         );
  81
  82         ret.push_back(ParamDesc("time",Param::TYPE_TIME)
  83                 .set_local_name(_("Time"))
  84                 .set_desc(_("Time where activepoint is to be added"))
  85                 .set_optional()
  86         );
  87
  88         return ret;
  89 }
  90
  91 bool
  92 Action::ActivepointAdd::is_canidate(const ParamList &x)
  93 {
  94         if(canidate_check(get_param_vocab(),x))
  95         {
  96                 ValueDesc value_desc(x.find("value_desc")->second.get_value_desc());
  97                 if(!value_desc.parent_is_value_node() || !ValueNode_DynamicList::Handle::cast_dynamic(value_desc.get_parent_value_node()))
  98                         return false;
  99
 100                 // We need either a activepoint or a time.
 101                 if(x.count("activepoint") || x.count("time"))
 102                         return true;
 103         }
 104         return false;
 105 }
 106
 107 bool
 108 Action::ActivepointAdd::set_param(const synfig::String& name, const Action::Param &param)
 109 {
 110         if(name=="value_desc" && param.get_type()==Param::TYPE_VALUEDESC)
 111         {
 112                 ValueDesc value_desc(param.get_value_desc());
 113
 114                 if(!value_desc.parent_is_value_node())
 115                         return false;
 116
 117                 value_node=ValueNode_DynamicList::Handle::cast_dynamic(value_desc.get_parent_value_node());
 118
 119                 if(!value_node)
 120                         return false;
 121
 122                 index=value_desc.get_index();
 123
 124                 if(time_set)
 125                         calc_activepoint();
 126
 127                 return true;
 128         }
 129         if(name=="activepoint" && param.get_type()==Param::TYPE_ACTIVEPOINT && !time_set)
 130         {
 131                 activepoint=param.get_activepoint();
 132
 133                 return true;
 134         }
 135         if(name=="time" && param.get_type()==Param::TYPE_TIME && activepoint.get_time()==Time::begin()-1)
 136         {
 137                 activepoint.set_time(param.get_time());
 138                 time_set=true;
 139
 140                 if(value_node)
 141                         calc_activepoint();
 142
 143                 return true;
 144         }
 145
 146         return Action::CanvasSpecific::set_param(name,param);
 147 }
 148
 149 bool
 150 Action::ActivepointAdd::is_ready()const
 151 {
 152         if(!value_node || activepoint.get_time()==(Time::begin()-1))
 153                 return false;
 154         return Action::CanvasSpecific::is_ready();
 155 }
 156
 157 // This function is called if a time is specified, but not
 158 // a activepoint. In this case, we need to calculate the value
 159 // of the activepoint
 160 void
 161 Action::ActivepointAdd::calc_activepoint()
 162 {
 163         const Time time(activepoint.get_time());
 164         activepoint.set_state(value_node->list[index].status_at_time(time));
 165         activepoint.set_priority(0);
 166
 167         // In this case, nothing is really changing, so there will be
 168         // no need to redraw the window
 169         set_dirty(false);
 170 }
 171
 172 void
 173 Action::ActivepointAdd::perform()
 174 {
 175         try { value_node->list[index].find(activepoint.get_time()); throw Error(_("A Activepoint already exists at this point in time"));}
 176         catch(synfig::Exception::NotFound) { }
 177
 178         try { if(value_node->list[index].find(activepoint)!=value_node->list[index].timing_info.end()) throw Error(_("This activepoint is already in the ValueNode"));}
 179         catch(synfig::Exception::NotFound) { }
 180
 181         value_node->list[index].add(activepoint);
 182         value_node->changed();
 183
 184         /*if(get_canvas_interface())
 185         {
 186                 get_canvas_interface()->signal_value_node_changed()(value_node);
 187         }
 188         else synfig::warning("CanvasInterface not set on action");
 189         */
 190 }
 191
 192 void
 193 Action::ActivepointAdd::undo()
 194 {
 195         value_node->list[index].erase(activepoint);
 196         value_node->changed();
 197         /*
 198         // Signal that a layer has been inserted
 199         if(get_canvas_interface())
 200         {
 201                 get_canvas_interface()->signal_value_node_changed()(value_node);
 202         }
 203         else synfig::warning("CanvasInterface not set on action");
 204         */
 205 }