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

   1 /* === S Y N F I G ========================================================= */
   2 /*!     \file valuedescdisconnect.cpp
   3 **      \brief Template File
   4 **
   5 **      $Id: valuedescdisconnect.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 "valuenodelinkdisconnect.h"
  33 #include "valuenodereplace.h"
  34
  35 #include "valuedescdisconnect.h"
  36 #include <synfigapp/canvasinterface.h>
  37 #include <synfig/valuenode_const.h>
  38
  39 #endif
  40
  41 using namespace std;
  42 using namespace etl;
  43 using namespace synfig;
  44 using namespace synfigapp;
  45 using namespace Action;
  46
  47 /* === M A C R O S ========================================================= */
  48
  49 ACTION_INIT(Action::ValueDescDisconnect);
  50 ACTION_SET_NAME(Action::ValueDescDisconnect,"value_desc_disconnect");
  51 ACTION_SET_LOCAL_NAME(Action::ValueDescDisconnect,"Disconnect");
  52 ACTION_SET_TASK(Action::ValueDescDisconnect,"disconnect");
  53 ACTION_SET_CATEGORY(Action::ValueDescDisconnect,Action::CATEGORY_VALUEDESC);
  54 ACTION_SET_PRIORITY(Action::ValueDescDisconnect,-100);
  55 ACTION_SET_VERSION(Action::ValueDescDisconnect,"0.0");
  56 ACTION_SET_CVS_ID(Action::ValueDescDisconnect,"$Id: valuedescdisconnect.cpp,v 1.1.1.1 2005/01/07 03:34:37 darco Exp $");
  57
  58 /* === G L O B A L S ======================================================= */
  59
  60 /* === P R O C E D U R E S ================================================= */
  61
  62 /* === M E T H O D S ======================================================= */
  63
  64 Action::ValueDescDisconnect::ValueDescDisconnect():
  65         time(0)
  66 {
  67 }
  68
  69 Action::ParamVocab
  70 Action::ValueDescDisconnect::get_param_vocab()
  71 {
  72         ParamVocab ret(Action::CanvasSpecific::get_param_vocab());
  73
  74         ret.push_back(ParamDesc("value_desc",Param::TYPE_VALUEDESC)
  75                 .set_local_name(_("ValueDesc"))
  76         );
  77
  78         ret.push_back(ParamDesc("time",Param::TYPE_TIME)
  79                 .set_local_name(_("Time"))
  80                 .set_optional()
  81         );
  82
  83         return ret;
  84 }
  85
  86 bool
  87 Action::ValueDescDisconnect::is_canidate(const ParamList &x)
  88 {
  89         if(canidate_check(get_param_vocab(),x))
  90         {
  91                 ValueDesc value_desc(x.find("value_desc")->second.get_value_desc());
  92                 if(!value_desc.parent_is_canvas() && value_desc.is_value_node() && value_desc.get_value_node()->rcount()>1)
  93                         return true;
  94                 if(value_desc.is_const())
  95                         return false;
  96                 if(value_desc.is_value_node() && ValueNode_Const::Handle::cast_dynamic(value_desc.get_value_node()))
  97                         return false;
  98                 return true;
  99         }
 100         return false;
 101 }
 102
 103 bool
 104 Action::ValueDescDisconnect::set_param(const synfig::String& name, const Action::Param &param)
 105 {
 106         if(name=="value_desc" && param.get_type()==Param::TYPE_VALUEDESC)
 107         {
 108                 value_desc=param.get_value_desc();
 109
 110                 return true;
 111         }
 112
 113         if(name=="time" && param.get_type()==Param::TYPE_TIME)
 114         {
 115                 time=param.get_time();
 116
 117                 return true;
 118         }
 119
 120         return Action::CanvasSpecific::set_param(name,param);
 121 }
 122
 123 bool
 124 Action::ValueDescDisconnect::is_ready()const
 125 {
 126         if(!value_desc)
 127                 return false;
 128         return Action::CanvasSpecific::is_ready();
 129 }
 130
 131 void
 132 Action::ValueDescDisconnect::prepare()
 133 {
 134         clear();
 135
 136         if(value_desc.parent_is_canvas())
 137         {
 138                 ValueNode::Handle src_value_node;
 139                 src_value_node=ValueNode_Const::create((*value_desc.get_value_node())(time));
 140
 141                 Action::Handle action(ValueNodeReplace::create());
 142
 143                 action->set_param("canvas",get_canvas());
 144                 action->set_param("canvas_interface",get_canvas_interface());
 145                 action->set_param("src",src_value_node);
 146                 action->set_param("dest",value_desc.get_value_node());
 147
 148                 assert(action->is_ready());
 149                 if(!action->is_ready())
 150                         throw Error(Error::TYPE_NOTREADY);
 151
 152                 add_action_front(action);
 153                 return;
 154         }
 155         else
 156         if(value_desc.parent_is_linkable_value_node())
 157         {
 158                 Action::Handle action(ValueNodeLinkDisconnect::create());
 159
 160                 action->set_param("canvas",get_canvas());
 161                 action->set_param("canvas_interface",get_canvas_interface());
 162                 action->set_param("parent_value_node",value_desc.get_parent_value_node());
 163                 action->set_param("index",value_desc.get_index());
 164                 action->set_param("time",time);
 165
 166                 assert(action->is_ready());
 167                 if(!action->is_ready())
 168                         throw Error(Error::TYPE_NOTREADY);
 169
 170                 add_action_front(action);
 171                 return;
 172         }
 173         else
 174         if(value_desc.parent_is_layer_param())
 175         {
 176                 Action::Handle action(LayerParamDisconnect::create());
 177
 178                 action->set_param("canvas",get_canvas());
 179                 action->set_param("canvas_interface",get_canvas_interface());
 180                 action->set_param("layer",value_desc.get_layer());
 181                 action->set_param("param",value_desc.get_param_name());
 182                 action->set_param("time",time);
 183
 184                 assert(action->is_ready());
 185                 if(!action->is_ready())
 186                         throw Error(Error::TYPE_NOTREADY);
 187
 188                 add_action_front(action);
 189                 return;
 190         }
 191
 192         throw Error(_("ValueDesc is not recognised or supported."));
 193 }