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

   1 /* === S Y N F I G ========================================================= */
   2 /*!     \file valuenodedynamiclistinsert.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 "valuenodedynamiclistinsert.h"
  34 #include <synfigapp/canvasinterface.h>
  35
  36 #include <synfigapp/general.h>
  37
  38 #endif
  39
  40 using namespace std;
  41 using namespace etl;
  42 using namespace synfig;
  43 using namespace synfigapp;
  44 using namespace Action;
  45
  46 /* === M A C R O S ========================================================= */
  47
  48 ACTION_INIT(Action::ValueNodeDynamicListInsert);
  49 ACTION_SET_NAME(Action::ValueNodeDynamicListInsert,"ValueNodeDynamicListInsert");
  50 ACTION_SET_LOCAL_NAME(Action::ValueNodeDynamicListInsert,N_("Insert Item"));
  51 ACTION_SET_TASK(Action::ValueNodeDynamicListInsert,"insert");
  52 ACTION_SET_CATEGORY(Action::ValueNodeDynamicListInsert,Action::CATEGORY_VALUEDESC|Action::CATEGORY_VALUENODE|Action::CATEGORY_HIDDEN);
  53 ACTION_SET_PRIORITY(Action::ValueNodeDynamicListInsert,-20);
  54 ACTION_SET_VERSION(Action::ValueNodeDynamicListInsert,"0.0");
  55 ACTION_SET_CVS_ID(Action::ValueNodeDynamicListInsert,"$Id$");
  56
  57 /* === G L O B A L S ======================================================= */
  58
  59 /* === P R O C E D U R E S ================================================= */
  60
  61 /* === M E T H O D S ======================================================= */
  62
  63 Action::ValueNodeDynamicListInsert::ValueNodeDynamicListInsert()
  64 {
  65         index=0;
  66         time=0;
  67         origin=0.5f;
  68         set_dirty(true);
  69 }
  70
  71 Action::ParamVocab
  72 Action::ValueNodeDynamicListInsert::get_param_vocab()
  73 {
  74         ParamVocab ret(Action::CanvasSpecific::get_param_vocab());
  75
  76         ret.push_back(ParamDesc("value_desc",Param::TYPE_VALUEDESC)
  77                 .set_local_name(_("ValueDesc"))
  78         );
  79         ret.push_back(ParamDesc("time",Param::TYPE_TIME)
  80                 .set_local_name(_("Time"))
  81                 .set_optional()
  82         );
  83         ret.push_back(ParamDesc("origin",Param::TYPE_REAL)
  84                 .set_local_name(_("Origin"))
  85                 .set_optional()
  86         );
  87         ret.push_back(ParamDesc("item",Param::TYPE_VALUENODE)
  88                 .set_local_name(_("ValueNode to insert"))
  89                 .set_optional()
  90         );
  91
  92         return ret;
  93 }
  94
  95 bool
  96 Action::ValueNodeDynamicListInsert::is_candidate(const ParamList &x)
  97 {
  98         if (!candidate_check(get_param_vocab(),x))
  99                 return false;
 100
 101         ValueDesc value_desc(x.find("value_desc")->second.get_value_desc());
 102
 103         return (value_desc.parent_is_value_node() &&
 104                         // We need a dynamic list.
 105                         ValueNode_DynamicList::Handle::cast_dynamic(value_desc.get_parent_value_node()));
 106 }
 107
 108 bool
 109 Action::ValueNodeDynamicListInsert::set_param(const synfig::String& name, const Action::Param &param)
 110 {
 111         if(name=="value_desc" && param.get_type()==Param::TYPE_VALUEDESC)
 112         {
 113                 ValueDesc value_desc(param.get_value_desc());
 114
 115                 if(!value_desc.parent_is_value_node())
 116                         return false;
 117
 118                 value_node=ValueNode_DynamicList::Handle::cast_dynamic(value_desc.get_parent_value_node());
 119
 120                 if(!value_node)
 121                         return false;
 122
 123                 index=value_desc.get_index();
 124
 125                 value_node_bline=ValueNode_BLine::Handle::cast_dynamic(value_desc.get_parent_value_node());
 126
 127                 list_entry=value_node->create_list_entry(index,time,origin);
 128                 if(item)
 129                         list_entry.value_node=item;
 130
 131                 assert(list_entry.value_node.rcount()==1);
 132
 133                 return true;
 134         }
 135         if(name=="time" && param.get_type()==Param::TYPE_TIME)
 136         {
 137                 time=param.get_time();
 138
 139                 return true;
 140         }
 141         if(name=="item" && param.get_type()==Param::TYPE_VALUENODE)
 142         {
 143                 item=param.get_value_node();
 144                 if(item)
 145                         list_entry.value_node=item;
 146
 147                 return true;
 148         }
 149         if(name=="origin" && param.get_type()==Param::TYPE_REAL)
 150         {
 151                 origin=param.get_real();
 152
 153                 return true;
 154         }
 155
 156         return Action::CanvasSpecific::set_param(name,param);
 157 }
 158
 159 bool
 160 Action::ValueNodeDynamicListInsert::is_ready()const
 161 {
 162         if(!value_node)
 163                 return false;
 164         return Action::CanvasSpecific::is_ready();
 165 }
 166
 167 void
 168 Action::ValueNodeDynamicListInsert::perform()
 169 {
 170         if(index>value_node->link_count())
 171                 index=value_node->link_count();
 172
 173         value_node->add(list_entry,index);
 174         assert(list_entry.value_node.rcount()>=2);
 175
 176         // Signal that a layer has been inserted
 177         value_node->changed();
 178 /*_if(get_canvas_interface())
 179         {
 180                 get_canvas_interface()->signal_value_node_changed()(value_node);
 181         }
 182         else synfig::warning("CanvasInterface not set on action");*/
 183 }
 184
 185 void
 186 Action::ValueNodeDynamicListInsert::undo()
 187 {
 188         assert(list_entry.value_node.rcount()>=2);
 189         value_node->erase((value_node->list.begin()+index)->value_node);
 190         assert(list_entry.value_node.rcount()>=1);
 191
 192         // Signal that a layer has been inserted
 193         value_node->changed();
 194 /*_if(get_canvas_interface())
 195         {
 196                 get_canvas_interface()->signal_value_node_changed()(value_node);
 197         }
 198         else synfig::warning("CanvasInterface not set on action");*/
 199 }