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

   1 /* === S Y N F I G ========================================================= */
   2 /*!     \file layerparamconnect.cpp
   3 **      \brief Template File
   4 **
   5 **      $Id: layerparamconnect.cpp,v 1.2 2005/01/16 19:55:57 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 "layerparamconnect.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::LayerParamConnect);
  45 ACTION_SET_NAME(Action::LayerParamConnect,"layer_param_connect");
  46 ACTION_SET_LOCAL_NAME(Action::LayerParamConnect,_("Connect Layer Parameter"));
  47 ACTION_SET_TASK(Action::LayerParamConnect,"connect");
  48 ACTION_SET_CATEGORY(Action::LayerParamConnect,Action::CATEGORY_LAYER|Action::CATEGORY_VALUENODE);
  49 ACTION_SET_PRIORITY(Action::LayerParamConnect,0);
  50 ACTION_SET_VERSION(Action::LayerParamConnect,"0.0");
  51 ACTION_SET_CVS_ID(Action::LayerParamConnect,"$Id: layerparamconnect.cpp,v 1.2 2005/01/16 19:55:57 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::LayerParamConnect::LayerParamConnect()
  60 {
  61 }
  62
  63 Action::ParamVocab
  64 Action::LayerParamConnect::get_param_vocab()
  65 {
  66         ParamVocab ret(Action::CanvasSpecific::get_param_vocab());
  67
  68         ret.push_back(ParamDesc("layer",Param::TYPE_LAYER)
  69                 .set_local_name(_("Layer"))
  70         );
  71
  72         ret.push_back(ParamDesc("param",Param::TYPE_STRING)
  73                 .set_local_name(_("Param"))
  74         );
  75
  76         ret.push_back(ParamDesc("value_node",Param::TYPE_VALUENODE)
  77                 .set_local_name(_("ValueNode"))
  78         );
  79
  80         return ret;
  81 }
  82
  83 bool
  84 Action::LayerParamConnect::is_canidate(const ParamList &x)
  85 {
  86         return canidate_check(get_param_vocab(),x);
  87 }
  88
  89 bool
  90 Action::LayerParamConnect::set_param(const synfig::String& name, const Action::Param &param)
  91 {
  92         if(name=="layer" && param.get_type()==Param::TYPE_LAYER)
  93         {
  94                 layer=param.get_layer();
  95
  96                 return true;
  97         }
  98
  99         if(name=="value_node" && param.get_type()==Param::TYPE_VALUENODE)
 100         {
 101                 value_node=param.get_value_node();
 102
 103                 return true;
 104         }
 105
 106         if(name=="param" && param.get_type()==Param::TYPE_STRING)
 107         {
 108                 param_name=param.get_string();
 109
 110                 return true;
 111         }
 112
 113         return Action::CanvasSpecific::set_param(name,param);
 114 }
 115
 116 bool
 117 Action::LayerParamConnect::is_ready()const
 118 {
 119         if(!layer)
 120                 synfig::warning("Action::LayerParamConnect: Missing \"layer\"");
 121         if(!value_node)
 122                 synfig::warning("Action::LayerParamConnect: Missing \"value_node\"");
 123         if(param_name.empty())
 124                 synfig::warning("Action::LayerParamConnect: Missing \"param\"");
 125
 126         if(!layer || !value_node || param_name.empty())
 127                 return false;
 128         return Action::CanvasSpecific::is_ready();
 129 }
 130
 131 void
 132 Action::LayerParamConnect::perform()
 133 {
 134         // See if the parameter is dynamic
 135         if(layer->dynamic_param_list().count(param_name))
 136                 old_value_node=layer->dynamic_param_list().find(param_name)->second;
 137         else
 138         {
 139                 old_value_node=0;
 140         }
 141
 142         old_value=layer->get_param(param_name);
 143         if(!old_value.is_valid())
 144                 throw Error(_("Layer did not recognise parameter name"));
 145
 146         if(!layer->set_param(param_name,(*value_node)(0)))
 147                 throw Error(_("Bad connection"));
 148
 149         layer->connect_dynamic_param(param_name,value_node);
 150
 151         layer->changed();
 152         value_node->changed();
 153 /*      if(get_canvas_interface())
 154         {
 155                 get_canvas_interface()->signal_layer_param_changed()(layer,param_name);
 156                 //get_canvas_interface()->signal_value_node_changed()(value_node);
 157         }
 158 */
 159 }
 160
 161 void
 162 Action::LayerParamConnect::undo()
 163 {
 164         if(old_value_node)
 165                 layer->connect_dynamic_param(param_name,old_value_node);
 166         else
 167         {
 168                 layer->disconnect_dynamic_param(param_name);
 169                 layer->set_param(param_name,old_value);
 170         }
 171
 172         layer->changed();
 173         if(old_value_node)
 174                 old_value_node->changed();
 175         /*
 176         if(layer->active())
 177                 set_dirty(true);
 178         else
 179                 set_dirty(false);
 180         */
 181
 182         if(get_canvas_interface())
 183         {
 184                 get_canvas_interface()->signal_layer_param_changed()(layer,param_name);
 185                 //if(old_value_node)get_canvas_interface()->signal_value_node_changed()(old_value_node);
 186         }
 187 }