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

   1 /* === S Y N F I G ========================================================= */
   2 /*!     \file valuedescconnect.cpp
   3 **      \brief Template File
   4 **
   5 **      $Id$
   6 **
   7 **      \legal
   8 **      Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
   9 **      Copyright (c) 2008 Chris Moore
  10 **
  11 **      This package is free software; you can redistribute it and/or
  12 **      modify it under the terms of the GNU General Public License as
  13 **      published by the Free Software Foundation; either version 2 of
  14 **      the License, or (at your option) any later version.
  15 **
  16 **      This package is distributed in the hope that it will be useful,
  17 **      but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 **      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  19 **      General Public License for more details.
  20 **      \endlegal
  21 */
  22 /* ========================================================================= */
  23
  24 /* === H E A D E R S ======================================================= */
  25
  26 #ifdef USING_PCH
  27 #       include "pch.h"
  28 #else
  29 #ifdef HAVE_CONFIG_H
  30 #       include <config.h>
  31 #endif
  32
  33 #include "layerparamconnect.h"
  34 #include "waypointconnect.h"
  35 #include "valuenodelinkconnect.h"
  36 #include "valuenodereplace.h"
  37
  38 #include "valuedescconnect.h"
  39 #include <synfigapp/canvasinterface.h>
  40
  41 #include <synfigapp/general.h>
  42
  43 #endif
  44
  45 using namespace std;
  46 using namespace etl;
  47 using namespace synfig;
  48 using namespace synfigapp;
  49 using namespace Action;
  50
  51 /* === M A C R O S ========================================================= */
  52
  53 ACTION_INIT_NO_GET_LOCAL_NAME(Action::ValueDescConnect);
  54 ACTION_SET_NAME(Action::ValueDescConnect,"ValueDescConnect");
  55 ACTION_SET_LOCAL_NAME(Action::ValueDescConnect,N_("Connect"));
  56 ACTION_SET_TASK(Action::ValueDescConnect,"connect");
  57 ACTION_SET_CATEGORY(Action::ValueDescConnect,Action::CATEGORY_VALUEDESC|Action::CATEGORY_VALUENODE);
  58 ACTION_SET_PRIORITY(Action::ValueDescConnect,0);
  59 ACTION_SET_VERSION(Action::ValueDescConnect,"0.0");
  60 ACTION_SET_CVS_ID(Action::ValueDescConnect,"$Id$");
  61
  62 /* === G L O B A L S ======================================================= */
  63
  64 /* === P R O C E D U R E S ================================================= */
  65
  66 /* === M E T H O D S ======================================================= */
  67
  68 Action::ValueDescConnect::ValueDescConnect()
  69 {
  70 }
  71
  72 synfig::String
  73 Action::ValueDescConnect::get_local_name()const
  74 {
  75         // TRANSLATORS: This is used in the 'history' dialog when a connection is made.
  76         return strprintf(_("Connect '%s' to '%s'"),
  77                                          value_desc.get_description(false).c_str(),
  78                                          value_node->get_id().c_str());
  79 }
  80
  81 Action::ParamVocab
  82 Action::ValueDescConnect::get_param_vocab()
  83 {
  84         ParamVocab ret(Action::CanvasSpecific::get_param_vocab());
  85
  86         ret.push_back(ParamDesc("dest",Param::TYPE_VALUEDESC)
  87                 .set_local_name(_("Destination ValueDesc"))
  88         );
  89
  90         ret.push_back(ParamDesc("src",Param::TYPE_VALUENODE)
  91                 .set_local_name(_("Source ValueNode"))
  92                 .set_mutual_exclusion("src_name")
  93         );
  94
  95         ret.push_back(ParamDesc("src_name",Param::TYPE_STRING)
  96                 .set_local_name(_("Source ValueNode Name"))
  97                 .set_mutual_exclusion("src")
  98                 .set_user_supplied()
  99         );
 100
 101         return ret;
 102 }
 103
 104 bool
 105 Action::ValueDescConnect::is_candidate(const ParamList &x)
 106 {
 107         if(candidate_check(get_param_vocab(),x))
 108         {
 109                 // don't show the option of connecting to an existing Index parameter of the Duplicate layer
 110                 if(x.count("dest"))
 111                 {
 112                         ValueDesc value_desc=x.find("dest")->second.get_value_desc();
 113
 114                         if (value_desc.parent_is_layer_param() &&
 115                                 value_desc.get_layer()->get_name() == "duplicate" &&
 116                                 value_desc.get_param_name() == "index")
 117                                 return false;
 118                 }
 119
 120                 if(x.count("src"))
 121                 {
 122                         ValueDesc value_desc=x.find("dest")->second.get_value_desc();
 123                         ValueNode::Handle value_node=x.find("src")->second.get_value_node();
 124                         if(value_desc.get_value_type()==value_node->get_type())
 125                                 return true;
 126                 }
 127                 return true;
 128         }
 129         return false;
 130 }
 131
 132 bool
 133 Action::ValueDescConnect::set_param(const synfig::String& name, const Action::Param &param)
 134 {
 135         if(name=="dest" && param.get_type()==Param::TYPE_VALUEDESC)
 136         {
 137                 value_desc=param.get_value_desc();
 138
 139                 return true;
 140         }
 141
 142         if(name=="src" && param.get_type()==Param::TYPE_VALUENODE)
 143         {
 144                 value_node=param.get_value_node();
 145
 146                 return true;
 147         }
 148
 149         if(!value_node_name.empty() && !value_node && name=="canvas" && param.get_type()==Param::TYPE_CANVAS)
 150         {
 151                 value_node=param.get_canvas()->find_value_node(value_node_name);
 152         }
 153
 154         if(name=="src_name" && param.get_type()==Param::TYPE_STRING)
 155         {
 156                 value_node_name=param.get_string();
 157
 158                 if(get_canvas())
 159                 {
 160                         value_node=get_canvas()->find_value_node(value_node_name);
 161                         if(!value_node)
 162                                 return false;
 163                 }
 164
 165                 return true;
 166         }
 167
 168         return Action::CanvasSpecific::set_param(name,param);
 169 }
 170
 171 bool
 172 Action::ValueDescConnect::is_ready()const
 173 {
 174         if(!value_desc || !value_node)
 175                 return false;
 176         return Action::CanvasSpecific::is_ready();
 177 }
 178
 179 void
 180 Action::ValueDescConnect::prepare()
 181 {
 182         clear();
 183
 184         if(value_desc.parent_is_canvas())
 185         {
 186                 ValueNode::Handle dest_value_node;
 187                 dest_value_node=value_desc.get_value_node();
 188
 189                 Action::Handle action(ValueNodeReplace::create());
 190
 191                 action->set_param("canvas",get_canvas());
 192                 action->set_param("canvas_interface",get_canvas_interface());
 193                 action->set_param("src",value_node);
 194                 action->set_param("dest",value_desc.get_value_node());
 195
 196                 assert(action->is_ready());
 197                 if(!action->is_ready())
 198                         throw Error(Error::TYPE_NOTREADY);
 199
 200                 add_action_front(action);
 201                 return;
 202         }
 203         else
 204         if(value_desc.parent_is_waypoint())
 205         {
 206                 Action::Handle action(WaypointConnect::create());
 207
 208                 action->set_param("canvas",get_canvas());
 209                 action->set_param("canvas_interface",get_canvas_interface());
 210                 action->set_param("parent_value_node",value_desc.get_parent_value_node());
 211                 action->set_param("value_node", value_node);
 212                 action->set_param("waypoint_time",value_desc.get_waypoint_time());
 213
 214                 assert(action->is_ready());
 215                 if(!action->is_ready())
 216                         throw Error(Error::TYPE_NOTREADY);
 217
 218                 add_action_front(action);
 219                 return;
 220         }
 221         if(value_desc.parent_is_linkable_value_node())
 222         {
 223                 Action::Handle action(ValueNodeLinkConnect::create());
 224
 225                 action->set_param("canvas",get_canvas());
 226                 action->set_param("canvas_interface",get_canvas_interface());
 227                 action->set_param("parent_value_node",value_desc.get_parent_value_node());
 228                 action->set_param("value_node", value_node);
 229                 action->set_param("index",value_desc.get_index());
 230
 231                 assert(action->is_ready());
 232                 if(!action->is_ready())
 233                         throw Error(Error::TYPE_NOTREADY);
 234
 235                 add_action_front(action);
 236                 return;
 237         }
 238         else
 239         if(value_desc.parent_is_layer_param())
 240         {
 241                 Action::Handle action(LayerParamConnect::create());
 242
 243                 action->set_param("canvas",get_canvas());
 244                 action->set_param("canvas_interface",get_canvas_interface());
 245                 action->set_param("layer",value_desc.get_layer());
 246                 action->set_param("param",value_desc.get_param_name());
 247                 action->set_param("value_node",value_node);
 248
 249                 assert(action->is_ready());
 250                 if(!action->is_ready())
 251                         throw Error(Error::TYPE_NOTREADY);
 252
 253                 add_action_front(action);
 254                 return;
 255         }
 256
 257         throw Error(_("ValueDesc is not recognized or supported."));
 258 }