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

   1 /* === S Y N F I G ========================================================= */
   2 /*!     \file activepointsimpleadd.cpp
   3 **      \brief Simple add activepoint File
   4 **
   5 **      $Id$
   6 **
   7 **      \legal
   8 **      Copyright (c) 2004 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 "activepointsimpleadd.h"
  33 #include <synfigapp/canvasinterface.h>
  34
  35 #include <synfigapp/general.h>
  36
  37 #endif
  38
  39 using namespace std;
  40 using namespace etl;
  41 using namespace synfig;
  42 using namespace synfigapp;
  43 using namespace Action;
  44
  45 /* === M A C R O S ========================================================= */
  46
  47 ACTION_INIT(Action::ActivepointSimpleAdd);
  48 ACTION_SET_NAME(Action::ActivepointSimpleAdd,"waypoint_simpleadd");
  49 ACTION_SET_LOCAL_NAME(Action::ActivepointSimpleAdd,N_("Simply Add Waypoint"));
  50 ACTION_SET_TASK(Action::ActivepointSimpleAdd,"add");
  51 ACTION_SET_CATEGORY(Action::ActivepointSimpleAdd,Action::CATEGORY_WAYPOINT);
  52 ACTION_SET_PRIORITY(Action::ActivepointSimpleAdd,0);
  53 ACTION_SET_VERSION(Action::ActivepointSimpleAdd,"0.0");
  54 ACTION_SET_CVS_ID(Action::ActivepointSimpleAdd,"$Id$");
  55
  56 /* === G L O B A L S ======================================================= */
  57
  58 /* === P R O C E D U R E S ================================================= */
  59
  60 /* === M E T H O D S ======================================================= */
  61
  62 Action::ActivepointSimpleAdd::ActivepointSimpleAdd()
  63 {
  64         set_dirty(true);
  65         activepoint.set_time(Time::begin()-1);
  66 }
  67
  68 Action::ParamVocab
  69 Action::ActivepointSimpleAdd::get_param_vocab()
  70 {
  71         ParamVocab ret(Action::CanvasSpecific::get_param_vocab());
  72
  73         ret.push_back(ParamDesc("value_desc",Param::TYPE_VALUEDESC)
  74                 .set_local_name(_("Destination ValueNode (Animated)"))
  75         );
  76
  77         ret.push_back(ParamDesc("activepoint",Param::TYPE_ACTIVEPOINT)
  78                 .set_local_name(_("Activepoint"))
  79                 .set_desc(_("Activepoint to be added"))
  80         );
  81
  82         return ret;
  83 }
  84
  85 bool
  86 Action::ActivepointSimpleAdd::is_candidate(const ParamList &x)
  87 {
  88         if(candidate_check(get_param_vocab(),x))
  89         {
  90                 ValueDesc value_desc(x.find("value_desc")->second.get_value_desc());
  91                 if(!value_desc.parent_is_value_node() || !ValueNode_DynamicList::Handle::cast_dynamic(value_desc.get_parent_value_node()))
  92                         return false;
  93
  94                 return true;
  95         }
  96         return candidate_check(get_param_vocab(),x);
  97 }
  98
  99 bool
 100 Action::ActivepointSimpleAdd::set_param(const synfig::String& name, const Action::Param &param)
 101 {
 102         if(name=="value_desc" && param.get_type()==Param::TYPE_VALUEDESC)
 103         {
 104                 ValueDesc value_desc(param.get_value_desc());
 105
 106                 if(!value_desc.parent_is_value_node())
 107                         return false;
 108
 109                 value_node=ValueNode_DynamicList::Handle::cast_dynamic(value_desc.get_parent_value_node());
 110
 111                 if(!value_node)
 112                         return false;
 113
 114                 index=value_desc.get_index();
 115
 116                 return true;
 117         }
 118         if(name=="activepoint" && param.get_type()==Param::TYPE_ACTIVEPOINT)
 119         {
 120                 activepoint = param.get_activepoint();
 121
 122                 return true;
 123         }
 124
 125         return Action::CanvasSpecific::set_param(name,param);
 126 }
 127
 128 bool
 129 Action::ActivepointSimpleAdd::is_ready()const
 130 {
 131         if(!value_node && activepoint.get_time() != (Time::begin()-1))
 132                 return false;
 133         return Action::CanvasSpecific::is_ready();
 134 }
 135
 136 void
 137 Action::ActivepointSimpleAdd::perform()
 138 {
 139         //remove any pretenders that lie at our destination
 140         ValueNode_DynamicList::ListEntry::findresult iter = value_node->list[index]
 141                                                                                                                         .find_time(activepoint.get_time());
 142
 143         time_overwrite = false;
 144         if(iter.second)
 145         {
 146                 overwritten_ap = *iter.first;
 147                 time_overwrite = true;
 148                 value_node->list[index].erase(overwritten_ap);
 149         }
 150
 151         //add the value node in since it's safe
 152         value_node->list[index].add(activepoint);
 153
 154         //sort them...
 155         value_node->list[index].timing_info.sort();
 156
 157         // Signal that a valuenode has been changed
 158         value_node->changed();
 159 }
 160
 161 void
 162 Action::ActivepointSimpleAdd::undo()
 163 {
 164         //remove our old version...
 165         ValueNode_DynamicList::ListEntry::findresult iter = value_node->list[index].find_uid(activepoint);
 166
 167         if(!iter.second)
 168         {
 169                 throw Error(_("The activepoint to remove no longer exists"));
 170         }
 171
 172         //remove the offending value
 173         value_node->list[index].erase(*iter.first); //could also just use waypoint
 174
 175         if(time_overwrite)
 176         {
 177                 value_node->list[index].add(overwritten_ap);
 178         }
 179
 180         //sort them...
 181         value_node->list[index].timing_info.sort();
 182
 183         // Signal that a valuenode has been changed
 184         value_node->changed();
 185 }