synfig-studio/tags/synfigstudio_0_61_06/src/synfigapp/actions/valuedescdisconnect.cpp

   1 /* === S Y N F I G ========================================================= */
   2 /*!     \file valuedescdisconnect.cpp
   3 **      \brief Template File
   4 **
   5 **      $Id$
   6 **
   7 **      \legal
   8 **      Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., 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 "layerparamdisconnect.h"
  33 #include "valuenodelinkdisconnect.h"
  34 #include "valuenodereplace.h"
  35
  36 #include "valuedescdisconnect.h"
  37 #include <synfigapp/canvasinterface.h>
  38 #include <synfig/valuenode_const.h>
  39
  40 #endif
  41
  42 using namespace std;
  43 using namespace etl;
  44 using namespace synfig;
  45 using namespace synfigapp;
  46 using namespace Action;
  47
  48 /* === M A C R O S ========================================================= */
  49
  50 ACTION_INIT(Action::ValueDescDisconnect);
  51 ACTION_SET_NAME(Action::ValueDescDisconnect,"value_desc_disconnect");
  52 ACTION_SET_LOCAL_NAME(Action::ValueDescDisconnect,"Disconnect");
  53 ACTION_SET_TASK(Action::ValueDescDisconnect,"disconnect");
  54 ACTION_SET_CATEGORY(Action::ValueDescDisconnect,Action::CATEGORY_VALUEDESC);
  55 ACTION_SET_PRIORITY(Action::ValueDescDisconnect,-100);
  56 ACTION_SET_VERSION(Action::ValueDescDisconnect,"0.0");
  57 ACTION_SET_CVS_ID(Action::ValueDescDisconnect,"$Id$");
  58
  59 /* === G L O B A L S ======================================================= */
  60
  61 /* === P R O C E D U R E S ================================================= */
  62
  63 /* === M E T H O D S ======================================================= */
  64
  65 Action::ValueDescDisconnect::ValueDescDisconnect():
  66         time(0)
  67 {
  68 }
  69
  70 Action::ParamVocab
  71 Action::ValueDescDisconnect::get_param_vocab()
  72 {
  73         ParamVocab ret(Action::CanvasSpecific::get_param_vocab());
  74
  75         ret.push_back(ParamDesc("value_desc",Param::TYPE_VALUEDESC)
  76                 .set_local_name(_("ValueDesc"))
  77         );
  78
  79         ret.push_back(ParamDesc("time",Param::TYPE_TIME)
  80                 .set_local_name(_("Time"))
  81                 .set_optional()
  82         );
  83
  84         return ret;
  85 }
  86
  87 bool
  88 Action::ValueDescDisconnect::is_candidate(const ParamList &x)
  89 {
  90         if(candidate_check(get_param_vocab(),x))
  91         {
  92                 ValueDesc value_desc(x.find("value_desc")->second.get_value_desc());
  93                 if(!value_desc.parent_is_canvas() && value_desc.is_value_node() && value_desc.get_value_node()->rcount()>1)
  94                         return true;
  95                 if(value_desc.is_const())
  96                         return false;
  97                 if(value_desc.is_value_node() && ValueNode_Const::Handle::cast_dynamic(value_desc.get_value_node()))
  98                         return false;
  99                 return true;
 100         }
 101         return false;
 102 }
 103
 104 bool
 105 Action::ValueDescDisconnect::set_param(const synfig::String& name, const Action::Param &param)
 106 {
 107         if(name=="value_desc" && param.get_type()==Param::TYPE_VALUEDESC)
 108         {
 109                 value_desc=param.get_value_desc();
 110
 111                 return true;
 112         }
 113
 114         if(name=="time" && param.get_type()==Param::TYPE_TIME)
 115         {
 116                 time=param.get_time();
 117
 118                 return true;
 119         }
 120
 121         return Action::CanvasSpecific::set_param(name,param);
 122 }
 123
 124 bool
 125 Action::ValueDescDisconnect::is_ready()const
 126 {
 127         if(!value_desc)
 128                 return false;
 129         return Action::CanvasSpecific::is_ready();
 130 }
 131
 132 void
 133 Action::ValueDescDisconnect::prepare()
 134 {
 135         clear();
 136
 137         if(value_desc.parent_is_canvas())
 138         {
 139                 ValueNode::Handle src_value_node;
 140                 src_value_node=ValueNode_Const::create((*value_desc.get_value_node())(time));
 141
 142                 Action::Handle action(ValueNodeReplace::create());
 143
 144                 action->set_param("canvas",get_canvas());
 145                 action->set_param("canvas_interface",get_canvas_interface());
 146                 action->set_param("src",src_value_node);
 147                 action->set_param("dest",value_desc.get_value_node());
 148
 149                 assert(action->is_ready());
 150                 if(!action->is_ready())
 151                         throw Error(Error::TYPE_NOTREADY);
 152
 153                 add_action_front(action);
 154                 return;
 155         }
 156         else
 157         if(value_desc.parent_is_linkable_value_node())
 158         {
 159                 Action::Handle action(ValueNodeLinkDisconnect::create());
 160
 161                 action->set_param("canvas",get_canvas());
 162                 action->set_param("canvas_interface",get_canvas_interface());
 163                 action->set_param("parent_value_node",value_desc.get_parent_value_node());
 164                 action->set_param("index",value_desc.get_index());
 165                 action->set_param("time",time);
 166
 167                 assert(action->is_ready());
 168                 if(!action->is_ready())
 169                         throw Error(Error::TYPE_NOTREADY);
 170
 171                 add_action_front(action);
 172                 return;
 173         }
 174         else
 175         if(value_desc.parent_is_layer_param())
 176         {
 177                 Action::Handle action(LayerParamDisconnect::create());
 178
 179                 action->set_param("canvas",get_canvas());
 180                 action->set_param("canvas_interface",get_canvas_interface());
 181                 action->set_param("layer",value_desc.get_layer());
 182                 action->set_param("param",value_desc.get_param_name());
 183                 action->set_param("time",time);
 184
 185                 assert(action->is_ready());
 186                 if(!action->is_ready())
 187                         throw Error(Error::TYPE_NOTREADY);
 188
 189                 add_action_front(action);
 190                 return;
 191         }
 192
 193         throw Error(_("ValueDesc is not recognised or supported."));
 194 }