synfig-studio/src/synfigapp/actions/valuenodedynamiclistinsertsmart.cpp

   1 /* === S Y N F I G ========================================================= */
   2 /*!     \file valuenodedynamiclistinsertsmart.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) 2007 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 "valuenodedynamiclistinsertsmart.h"
  34 #include "valuenodedynamiclistinsert.h"
  35 #include <synfigapp/canvasinterface.h>
  36
  37 #include <synfigapp/general.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::ValueNodeDynamicListInsertSmart);
  50 ACTION_SET_NAME(Action::ValueNodeDynamicListInsertSmart,"ValueNodeDynamicListInsertSmart");
  51 ACTION_SET_LOCAL_NAME(Action::ValueNodeDynamicListInsertSmart,N_("Insert Item (Smart)"));
  52 ACTION_SET_TASK(Action::ValueNodeDynamicListInsertSmart,"insert");
  53 ACTION_SET_CATEGORY(Action::ValueNodeDynamicListInsertSmart,Action::CATEGORY_VALUEDESC|Action::CATEGORY_VALUENODE);
  54 ACTION_SET_PRIORITY(Action::ValueNodeDynamicListInsertSmart,-20);
  55 ACTION_SET_VERSION(Action::ValueNodeDynamicListInsertSmart,"0.0");
  56 ACTION_SET_CVS_ID(Action::ValueNodeDynamicListInsertSmart,"$Id$");
  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::ValueNodeDynamicListInsertSmart::ValueNodeDynamicListInsertSmart()
  65 {
  66         index=0;
  67         time=0;
  68         origin=0.5f;
  69         set_dirty(true);
  70 }
  71
  72 Action::ParamVocab
  73 Action::ValueNodeDynamicListInsertSmart::get_param_vocab()
  74 {
  75         ParamVocab ret(Action::CanvasSpecific::get_param_vocab());
  76
  77         ret.push_back(ParamDesc("value_desc",Param::TYPE_VALUEDESC)
  78                 .set_local_name(_("ValueDesc"))
  79         );
  80         ret.push_back(ParamDesc("time",Param::TYPE_TIME)
  81                 .set_local_name(_("Time"))
  82                 .set_optional()
  83         );
  84         ret.push_back(ParamDesc("origin",Param::TYPE_REAL)
  85                 .set_local_name(_("Origin"))
  86                 .set_optional()
  87         );
  88
  89         return ret;
  90 }
  91
  92 bool
  93 Action::ValueNodeDynamicListInsertSmart::is_candidate(const ParamList &x)
  94 {
  95         if (!candidate_check(get_param_vocab(),x))
  96                 return false;
  97
  98         ValueDesc value_desc(x.find("value_desc")->second.get_value_desc());
  99
 100         return (value_desc.parent_is_value_node() &&
 101                         // We need a dynamic list.
 102                         ValueNode_DynamicList::Handle::cast_dynamic(value_desc.get_parent_value_node()));
 103 }
 104
 105 bool
 106 Action::ValueNodeDynamicListInsertSmart::set_param(const synfig::String& name, const Action::Param &param)
 107 {
 108         if(name=="value_desc" && param.get_type()==Param::TYPE_VALUEDESC)
 109         {
 110                 ValueDesc value_desc(param.get_value_desc());
 111
 112                 if(!value_desc.parent_is_value_node())
 113                         return false;
 114
 115                 value_node=ValueNode_DynamicList::Handle::cast_dynamic(value_desc.get_parent_value_node());
 116
 117                 if(!value_node)
 118                         return false;
 119
 120                 index=value_desc.get_index();
 121
 122                 return true;
 123         }
 124         if(name=="time" && param.get_type()==Param::TYPE_TIME)
 125         {
 126                 time=param.get_time();
 127
 128                 return true;
 129         }
 130         if(name=="origin" && param.get_type()==Param::TYPE_REAL)
 131         {
 132                 origin=param.get_real();
 133
 134                 return true;
 135         }
 136
 137         return Action::CanvasSpecific::set_param(name,param);
 138 }
 139
 140 bool
 141 Action::ValueNodeDynamicListInsertSmart::is_ready()const
 142 {
 143         if(!value_node)
 144                 return false;
 145         return Action::CanvasSpecific::is_ready();
 146 }
 147
 148 void
 149 Action::ValueNodeDynamicListInsertSmart::prepare()
 150 {
 151         //clear();
 152         // HACK
 153         if(!first_time())
 154                 return;
 155
 156         // If we are in animate editing mode
 157         if(get_edit_mode()&MODE_ANIMATE)
 158         {
 159                 int index(ValueNodeDynamicListInsertSmart::index);
 160
 161                 // In this case we need to first determine if there is
 162                 // a currently disabled item in the list that we can
 163                 // turn on. If not, then we need to go ahead and create one.
 164                 synfig::info("ValueNodeDynamicListInsertSmart: index=%d",index);
 165                 synfig::info("ValueNodeDynamicListInsertSmart: value_node->list.size()=%d",value_node->list.size());
 166                 if(int(value_node->list.size())<=index && index>0)
 167                         synfig::info("ValueNodeDynamicListInsertSmart: value_node->list[index-1].status_at_time(time)=%d",value_node->list[index-1].status_at_time(time));
 168
 169                 if(int(value_node->list.size())>=index && index>0 && !value_node->list[index-1].status_at_time(time))
 170                 {
 171                         // Ok, we do not have to create a new
 172                         // entry in the dynamic list after all.
 173                         // However, we do need to set the
 174                         // position and tangent of this point.
 175                         ValueNode_DynamicList::ListEntry list_entry(value_node->create_list_entry(index,time,origin));
 176                         ValueBase value((*list_entry.value_node)(time));
 177                         index--;
 178
 179                         ValueDesc item_value_desc(value_node,index);
 180
 181                         Action::Handle action(Action::create("ValueDescSet"));
 182
 183                         if(!action)
 184                                 throw Error(_("Unable to find action ValueDescSet (bug)"));
 185
 186                         action->set_param("edit_mode",get_edit_mode());
 187                         action->set_param("canvas",get_canvas());
 188                         action->set_param("canvas_interface",get_canvas_interface());
 189                         action->set_param("time",time);
 190                         action->set_param("new_value",value);
 191                         action->set_param("value_desc",ValueDesc(value_node,index));
 192
 193                         if(!action->is_ready())
 194                                 throw Error(Error::TYPE_NOTREADY);
 195
 196                         add_action(action);
 197                 }
 198                 else
 199                 {
 200                         // Ok, not a big deal, we just need to
 201                         // add a new item
 202                         Action::Handle action(Action::create("ValueNodeDynamicListInsert"));
 203
 204                         if(!action)
 205                                 throw Error(_("Unable to find action (bug)"));
 206
 207                         action->set_param("canvas",get_canvas());
 208                         action->set_param("canvas_interface",get_canvas_interface());
 209                         action->set_param("time",time);
 210                         action->set_param("origin",origin);
 211                         action->set_param("value_desc",ValueDesc(value_node,index));
 212
 213                         if(!action->is_ready())
 214                                 throw Error(Error::TYPE_NOTREADY);
 215
 216                         add_action(action);
 217
 218                         action=Action::create("ActivepointSetOff");
 219
 220                         if(!action)
 221                                 throw Error(_("Unable to find action \"ActivepointSetOff\""));
 222
 223                         action->set_param("edit_mode",MODE_ANIMATE);
 224                         action->set_param("canvas",get_canvas());
 225                         action->set_param("canvas_interface",get_canvas_interface());
 226                         action->set_param("time",Time::begin());
 227                         action->set_param("origin",origin);
 228                         action->set_param("value_desc",ValueDesc(value_node,index));
 229
 230                         if(!action->is_ready())
 231                                 throw Error(Error::TYPE_NOTREADY);
 232
 233                         add_action(action);
 234                 }
 235
 236                 // Now we set the activepoint up and then we'll be done
 237                 Action::Handle action(Action::create("ActivepointSetOn"));
 238
 239                 if(!action)
 240                         throw Error(_("Unable to find action \"ActivepointSetOn\""));
 241
 242                 action->set_param("edit_mode",get_edit_mode());
 243                 action->set_param("canvas",get_canvas());
 244                 action->set_param("canvas_interface",get_canvas_interface());
 245                 action->set_param("time",time);
 246                 action->set_param("origin",origin);
 247                 action->set_param("value_desc",ValueDesc(value_node,index));
 248
 249                 if(!action->is_ready())
 250                         throw Error(Error::TYPE_NOTREADY);
 251
 252                 add_action(action);
 253         }
 254         else
 255         {
 256                 Action::Handle action(Action::create("ValueNodeDynamicListInsert"));
 257
 258                 if(!action)
 259                         throw Error(_("Unable to find action (bug)"));
 260
 261                 action->set_param("canvas",get_canvas());
 262                 action->set_param("canvas_interface",get_canvas_interface());
 263                 action->set_param("time",time);
 264                 action->set_param("origin",origin);
 265                 action->set_param("value_desc",ValueDesc(value_node,index));
 266
 267                 if(!action->is_ready())
 268                         throw Error(Error::TYPE_NOTREADY);
 269
 270                 add_action(action);
 271         }
 272 }