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 #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::ActivepointSimpleAdd);
  46 ACTION_SET_NAME(Action::ActivepointSimpleAdd,"waypoint_simpleadd");
  47 ACTION_SET_LOCAL_NAME(Action::ActivepointSimpleAdd,"Simply Add Waypoint");
  48 ACTION_SET_TASK(Action::ActivepointSimpleAdd,"add");
  49 ACTION_SET_CATEGORY(Action::ActivepointSimpleAdd,Action::CATEGORY_WAYPOINT);
  50 ACTION_SET_PRIORITY(Action::ActivepointSimpleAdd,0);
  51 ACTION_SET_VERSION(Action::ActivepointSimpleAdd,"0.0");
  52 ACTION_SET_CVS_ID(Action::ActivepointSimpleAdd,"$Id$");
  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::ActivepointSimpleAdd::ActivepointSimpleAdd()
  61 {
  62         set_dirty(true);
  63         activepoint.set_time(Time::begin()-1);
  64 }
  65
  66 Action::ParamVocab
  67 Action::ActivepointSimpleAdd::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(_("Destination ValueNode (Animated)"))
  73         );
  74
  75         ret.push_back(ParamDesc("activepoint",Param::TYPE_ACTIVEPOINT)
  76                 .set_local_name(_("Activepoint"))
  77                 .set_desc(_("Activepoint to be added"))
  78         );
  79
  80         return ret;
  81 }
  82
  83 bool
  84 Action::ActivepointSimpleAdd::is_candidate(const ParamList &x)
  85 {
  86         if(candidate_check(get_param_vocab(),x))
  87         {
  88                 ValueDesc value_desc(x.find("value_desc")->second.get_value_desc());
  89                 if(!value_desc.parent_is_value_node() || !ValueNode_DynamicList::Handle::cast_dynamic(value_desc.get_parent_value_node()))
  90                         return false;
  91
  92                 return true;
  93         }
  94         return candidate_check(get_param_vocab(),x);
  95 }
  96
  97 bool
  98 Action::ActivepointSimpleAdd::set_param(const synfig::String& name, const Action::Param &param)
  99 {
 100         if(name=="value_desc" && param.get_type()==Param::TYPE_VALUEDESC)
 101         {
 102                 ValueDesc value_desc(param.get_value_desc());
 103
 104                 if(!value_desc.parent_is_value_node())
 105                         return false;
 106
 107                 value_node=ValueNode_DynamicList::Handle::cast_dynamic(value_desc.get_parent_value_node());
 108
 109                 if(!value_node)
 110                         return false;
 111
 112                 index=value_desc.get_index();
 113
 114                 return true;
 115         }
 116         if(name=="activepoint" && param.get_type()==Param::TYPE_ACTIVEPOINT)
 117         {
 118                 activepoint = param.get_activepoint();
 119
 120                 return true;
 121         }
 122
 123         return Action::CanvasSpecific::set_param(name,param);
 124 }
 125
 126 bool
 127 Action::ActivepointSimpleAdd::is_ready()const
 128 {
 129         if(!value_node && activepoint.get_time() != (Time::begin()-1))
 130                 return false;
 131         return Action::CanvasSpecific::is_ready();
 132 }
 133
 134 void
 135 Action::ActivepointSimpleAdd::perform()
 136 {
 137         //remove any pretenders that lie at our destination
 138         ValueNode_DynamicList::ListEntry::findresult iter = value_node->list[index]
 139                                                                                                                         .find_time(activepoint.get_time());
 140
 141         time_overwrite = false;
 142         if(iter.second)
 143         {
 144                 overwritten_ap = *iter.first;
 145                 time_overwrite = true;
 146                 value_node->list[index].erase(overwritten_ap);
 147         }
 148
 149         //add the value node in since it's safe
 150         value_node->list[index].add(activepoint);
 151
 152         //sort them...
 153         value_node->list[index].timing_info.sort();
 154
 155         // Signal that a valuenode has been changed
 156         value_node->changed();
 157 }
 158
 159 void
 160 Action::ActivepointSimpleAdd::undo()
 161 {
 162         //remove our old version...
 163         ValueNode_DynamicList::ListEntry::findresult iter = value_node->list[index].find_uid(activepoint);
 164
 165         if(!iter.second)
 166         {
 167                 throw Error(_("The activepoint to remove no longer exists"));
 168         }
 169
 170         //remove the offending value
 171         value_node->list[index].erase(*iter.first); //could also just use waypoint
 172
 173         if(time_overwrite)
 174         {
 175                 value_node->list[index].add(overwritten_ap);
 176         }
 177
 178         //sort them...
 179         value_node->list[index].timing_info.sort();
 180
 181         // Signal that a valuenode has been changed
 182         value_node->changed();
 183 }