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

   1 /* === S Y N F I G ========================================================= */
   2 /*!     \file layerparamdisconnect.cpp
   3 **      \brief Template File
   4 **
   5 **      $Id: layerparamdisconnect.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 "layerparamdisconnect.h"
  32 #include <synfigapp/canvasinterface.h>
  33 #include <synfig/valuenode_dynamiclist.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::LayerParamDisconnect);
  46 ACTION_SET_NAME(Action::LayerParamDisconnect,"layer_param_disconnect");
  47 ACTION_SET_LOCAL_NAME(Action::LayerParamDisconnect,_("Disconnect Layer Parameter"));
  48 ACTION_SET_TASK(Action::LayerParamDisconnect,"disconnect");
  49 ACTION_SET_CATEGORY(Action::LayerParamDisconnect,Action::CATEGORY_LAYER|Action::CATEGORY_VALUENODE);
  50 ACTION_SET_PRIORITY(Action::LayerParamDisconnect,0);
  51 ACTION_SET_VERSION(Action::LayerParamDisconnect,"0.0");
  52 ACTION_SET_CVS_ID(Action::LayerParamDisconnect,"$Id: layerparamdisconnect.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::LayerParamDisconnect::LayerParamDisconnect():
  61         time(0)
  62 {
  63
  64 }
  65
  66 Action::ParamVocab
  67 Action::LayerParamDisconnect::get_param_vocab()
  68 {
  69         ParamVocab ret(Action::CanvasSpecific::get_param_vocab());
  70
  71         ret.push_back(ParamDesc("layer",Param::TYPE_LAYER)
  72                 .set_local_name(_("Layer"))
  73         );
  74
  75         ret.push_back(ParamDesc("param",Param::TYPE_STRING)
  76                 .set_local_name(_("Param"))
  77         );
  78
  79         ret.push_back(ParamDesc("time",Param::TYPE_STRING)
  80                 .set_local_name(_("Time"))
  81                 .set_optional()
  82         );
  83
  84         return ret;
  85 }
  86
  87 bool
  88 Action::LayerParamDisconnect::is_canidate(const ParamList &x)
  89 {
  90         return canidate_check(get_param_vocab(),x);
  91 }
  92
  93 bool
  94 Action::LayerParamDisconnect::set_param(const synfig::String& name, const Action::Param &param)
  95 {
  96         if(name=="layer" && param.get_type()==Param::TYPE_LAYER)
  97         {
  98                 layer=param.get_layer();
  99
 100                 return true;
 101         }
 102
 103         if(name=="param" && param.get_type()==Param::TYPE_STRING)
 104         {
 105                 param_name=param.get_string();
 106
 107                 return true;
 108         }
 109
 110         if(name=="time" && param.get_type()==Param::TYPE_TIME)
 111         {
 112                 time=param.get_time();
 113
 114                 return true;
 115         }
 116
 117         return Action::CanvasSpecific::set_param(name,param);
 118 }
 119
 120 bool
 121 Action::LayerParamDisconnect::is_ready()const
 122 {
 123         if(!layer || param_name.empty())
 124                 return false;
 125         return Action::CanvasSpecific::is_ready();
 126 }
 127
 128 void
 129 Action::LayerParamDisconnect::perform()
 130 {
 131         if(!layer->dynamic_param_list().count(param_name))
 132                 throw Error(_("Layer Parameter is not connected to anything"));
 133
 134         old_value_node=layer->dynamic_param_list().find(param_name)->second;
 135         layer->disconnect_dynamic_param(param_name);
 136
 137         if(new_value_node || ValueNode_DynamicList::Handle::cast_dynamic(old_value_node))
 138         {
 139                 if(!new_value_node)
 140                         new_value_node=old_value_node.clone();
 141                 layer->connect_dynamic_param(param_name,new_value_node);
 142         }
 143         else
 144                 layer->set_param(param_name,(*old_value_node)(time));
 145
 146         layer->changed();
 147         old_value_node->changed();
 148
 149         set_dirty(false);
 150
 151         if(get_canvas_interface())
 152         {
 153                 get_canvas_interface()->signal_layer_param_changed()(layer,param_name);
 154         }
 155 }
 156
 157 void
 158 Action::LayerParamDisconnect::undo()
 159 {
 160         layer->connect_dynamic_param(param_name,old_value_node);
 161
 162 /*      if(layer->active() && get_canvas()->get_time()!=time)
 163                 set_dirty(true);
 164         else
 165                 set_dirty(false);
 166 */
 167         layer->changed();
 168         old_value_node->changed();
 169
 170         set_dirty(false);
 171
 172         if(get_canvas_interface())
 173         {
 174                 get_canvas_interface()->signal_layer_param_changed()(layer,param_name);
 175         }
 176 }