synfig-studio/trunk/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 #endif
  38
  39 using namespace std;
  40 using namespace etl;
  41 using namespace synfig;
  42 using namespace synfigapp;
  43 using namespace Action;
  44
  45 /* === M A C R O S ========================================================= */
  46
  47 ACTION_INIT(Action::ValueNodeDynamicListInsertSmart);
  48 ACTION_SET_NAME(Action::ValueNodeDynamicListInsertSmart,"value_node_dynamic_list_insert_smart");
  49 ACTION_SET_LOCAL_NAME(Action::ValueNodeDynamicListInsertSmart,"Insert Item (Smart)");
  50 ACTION_SET_TASK(Action::ValueNodeDynamicListInsertSmart,"insert");
  51 ACTION_SET_CATEGORY(Action::ValueNodeDynamicListInsertSmart,Action::CATEGORY_VALUEDESC|Action::CATEGORY_VALUENODE);
  52 ACTION_SET_PRIORITY(Action::ValueNodeDynamicListInsertSmart,-20);
  53 ACTION_SET_VERSION(Action::ValueNodeDynamicListInsertSmart,"0.0");
  54 ACTION_SET_CVS_ID(Action::ValueNodeDynamicListInsertSmart,"$Id$");
  55
  56 /* === G L O B A L S ======================================================= */
  57
  58 /* === P R O C E D U R E S ================================================= */
  59
  60 /* === M E T H O D S ======================================================= */
  61
  62 Action::ValueNodeDynamicListInsertSmart::ValueNodeDynamicListInsertSmart()
  63 {
  64         index=0;
  65         time=0;
  66         origin=0.5f;
  67         set_dirty(true);
  68 }
  69
  70 Action::ParamVocab
  71 Action::ValueNodeDynamicListInsertSmart::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         ret.push_back(ParamDesc("time",Param::TYPE_TIME)
  79                 .set_local_name(_("Time"))
  80                 .set_optional()
  81         );
  82         ret.push_back(ParamDesc("origin",Param::TYPE_REAL)
  83                 .set_local_name(_("Origin"))
  84                 .set_optional()
  85         );
  86
  87         return ret;
  88 }
  89
  90 bool
  91 Action::ValueNodeDynamicListInsertSmart::is_candidate(const ParamList &x)
  92 {
  93         if(candidate_check(get_param_vocab(),x))
  94         {
  95                 ValueDesc value_desc(x.find("value_desc")->second.get_value_desc());
  96                 if(!value_desc.parent_is_value_node() || !ValueNode_DynamicList::Handle::cast_dynamic(value_desc.get_parent_value_node()))
  97                         return false;
  98
  99                 return true;
 100         }
 101         return false;
 102 }
 103
 104 bool
 105 Action::ValueNodeDynamicListInsertSmart::set_param(const synfig::String& name, const Action::Param &param)
 106 {
 107         if(name=="value_desc" && param.get_type()==Param::TYPE_VALUEDESC)
 108         {
 109                 ValueDesc value_desc(param.get_value_desc());
 110
 111                 if(!value_desc.parent_is_value_node())
 112                         return false;
 113
 114                 value_node=ValueNode_DynamicList::Handle::cast_dynamic(value_desc.get_parent_value_node());
 115
 116                 if(!value_node)
 117                         return false;
 118
 119                 index=value_desc.get_index();
 120
 121                 return true;
 122         }
 123         if(name=="time" && param.get_type()==Param::TYPE_TIME)
 124         {
 125                 time=param.get_time();
 126
 127                 return true;
 128         }
 129         if(name=="origin" && param.get_type()==Param::TYPE_REAL)
 130         {
 131                 origin=param.get_real();
 132
 133                 return true;
 134         }
 135
 136         return Action::CanvasSpecific::set_param(name,param);
 137 }
 138
 139 bool
 140 Action::ValueNodeDynamicListInsertSmart::is_ready()const
 141 {
 142         if(!value_node)
 143                 return false;
 144         return Action::CanvasSpecific::is_ready();
 145 }
 146
 147 void
 148 Action::ValueNodeDynamicListInsertSmart::prepare()
 149 {
 150         //clear();
 151         // HACK
 152         if(!first_time())
 153                 return;
 154
 155         // If we are in animate editing mode
 156         if(get_edit_mode()&MODE_ANIMATE)
 157         {
 158                 int index(ValueNodeDynamicListInsertSmart::index);
 159
 160                 // In this case we need to first determine if there is
 161                 // a currently disabled item in the list that we can
 162                 // turn on. If not, then we need to go ahead and create one.
 163                 synfig::info("ValueNodeDynamicListInsertSmart: index=%d",index);
 164                 synfig::info("ValueNodeDynamicListInsertSmart: value_node->list.size()=%d",value_node->list.size());
 165                 if(int(value_node->list.size())<=index && index>0)
 166                         synfig::info("ValueNodeDynamicListInsertSmart: value_node->list[index-1].status_at_time(time)=%d",value_node->list[index-1].status_at_time(time));
 167
 168                 if(int(value_node->list.size())>=index && index>0 && !value_node->list[index-1].status_at_time(time))
 169                 {
 170                         // Ok, we do not have to create a new
 171                         // entry in the dynamic list after all.
 172                         // However, we do need to set the
 173                         // position and tangent of this point.
 174                         ValueNode_DynamicList::ListEntry list_entry(value_node->create_list_entry(index,time,origin));
 175                         ValueBase value((*list_entry.value_node)(time));
 176                         index--;
 177
 178                         ValueDesc item_value_desc(value_node,index);
 179
 180                         Action::Handle action(Action::create("value_desc_set"));
 181
 182                         if(!action)
 183                                 throw Error(_("Unable to find action value_desc_set (bug)"));
 184
 185                         action->set_param("edit_mode",get_edit_mode());
 186                         action->set_param("canvas",get_canvas());
 187                         action->set_param("canvas_interface",get_canvas_interface());
 188                         action->set_param("time",time);
 189                         action->set_param("new_value",value);
 190                         action->set_param("value_desc",ValueDesc(value_node,index));
 191
 192                         if(!action->is_ready())
 193                                 throw Error(Error::TYPE_NOTREADY);
 194
 195                         add_action(action);
 196                 }
 197                 else
 198                 {
 199                         // Ok, not a big deal, we just need to
 200                         // add a new item
 201                         Action::Handle action(Action::create("value_node_dynamic_list_insert"));
 202
 203                         if(!action)
 204                                 throw Error(_("Unable to find action (bug)"));
 205
 206                         action->set_param("canvas",get_canvas());
 207                         action->set_param("canvas_interface",get_canvas_interface());
 208                         action->set_param("time",time);
 209                         action->set_param("origin",origin);
 210                         action->set_param("value_desc",ValueDesc(value_node,index));
 211
 212                         if(!action->is_ready())
 213                                 throw Error(Error::TYPE_NOTREADY);
 214
 215                         add_action(action);
 216
 217                         action=Action::create("activepoint_set_off");
 218
 219                         if(!action)
 220                                 throw Error(_("Unable to find action \"activepoint_set_off\""));
 221
 222                         action->set_param("edit_mode",MODE_ANIMATE);
 223                         action->set_param("canvas",get_canvas());
 224                         action->set_param("canvas_interface",get_canvas_interface());
 225                         action->set_param("time",Time::begin());
 226                         action->set_param("origin",origin);
 227                         action->set_param("value_desc",ValueDesc(value_node,index));
 228
 229                         if(!action->is_ready())
 230                                 throw Error(Error::TYPE_NOTREADY);
 231
 232                         add_action(action);
 233                 }
 234
 235                 // Now we set the activepoint up and then we'll be done
 236                 Action::Handle action(Action::create("activepoint_set_on"));
 237
 238                 if(!action)
 239                         throw Error(_("Unable to find action \"activepoint_set_on\""));
 240
 241                 action->set_param("edit_mode",get_edit_mode());
 242                 action->set_param("canvas",get_canvas());
 243                 action->set_param("canvas_interface",get_canvas_interface());
 244                 action->set_param("time",time);
 245                 action->set_param("origin",origin);
 246                 action->set_param("value_desc",ValueDesc(value_node,index));
 247
 248                 if(!action->is_ready())
 249                         throw Error(Error::TYPE_NOTREADY);
 250
 251                 add_action(action);
 252         }
 253         else
 254         {
 255                 Action::Handle action(Action::create("value_node_dynamic_list_insert"));
 256
 257                 if(!action)
 258                         throw Error(_("Unable to find action (bug)"));
 259
 260                 action->set_param("canvas",get_canvas());
 261                 action->set_param("canvas_interface",get_canvas_interface());
 262                 action->set_param("time",time);
 263                 action->set_param("origin",origin);
 264                 action->set_param("value_desc",ValueDesc(value_node,index));
 265
 266                 if(!action->is_ready())
 267                         throw Error(Error::TYPE_NOTREADY);
 268
 269                 add_action(action);
 270         }
 271 }