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

   1 /* === S Y N F I G ========================================================= */
   2 /*!     \file activepointremove.cpp
   3 **      \brief Template File
   4 **
   5 **      $Id: activepointremove.cpp,v 1.1.1.1 2005/01/07 03:34:37 darco Exp $
   6 **
   7 **      \legal
   8 **      Copyright (c) 2002 Robert B. Quattlebaum Jr.
   9 **
  10 **      This software and associated documentation
  11 **      are CONFIDENTIAL and PROPRIETARY property of
  12 **      the above-mentioned copyright holder.
  13 **
  14 **      You may not copy, print, publish, or in any
  15 **      other way distribute this software without
  16 **      a prior written agreement with
  17 **      the copyright holder.
  18 **      \endlegal
  19 */
  20 /* ========================================================================= */
  21
  22 /* === H E A D E R S ======================================================= */
  23
  24 #ifdef USING_PCH
  25 #       include "pch.h"
  26 #else
  27 #ifdef HAVE_CONFIG_H
  28 #       include <config.h>
  29 #endif
  30
  31 #include "activepointremove.h"
  32 #include <synfigapp/canvasinterface.h>
  33
  34 #endif
  35
  36 using namespace std;
  37 using namespace etl;
  38 using namespace synfig;
  39 using namespace synfigapp;
  40 using namespace Action;
  41
  42 /* === M A C R O S ========================================================= */
  43
  44 ACTION_INIT(Action::ActivepointRemove);
  45 ACTION_SET_NAME(Action::ActivepointRemove,"activepoint_remove");
  46 ACTION_SET_LOCAL_NAME(Action::ActivepointRemove,"Remove Activepoint");
  47 ACTION_SET_TASK(Action::ActivepointRemove,"remove");
  48 ACTION_SET_CATEGORY(Action::ActivepointRemove,Action::CATEGORY_ACTIVEPOINT);
  49 ACTION_SET_PRIORITY(Action::ActivepointRemove,0);
  50 ACTION_SET_VERSION(Action::ActivepointRemove,"0.0");
  51 ACTION_SET_CVS_ID(Action::ActivepointRemove,"$Id: activepointremove.cpp,v 1.1.1.1 2005/01/07 03:34:37 darco Exp $");
  52
  53 /* === G L O B A L S ======================================================= */
  54
  55 /* === P R O C E D U R E S ================================================= */
  56
  57 /* === M E T H O D S ======================================================= */
  58
  59 Action::ActivepointRemove::ActivepointRemove()
  60 {
  61         activepoint.set_time(Time::begin()-1);
  62         set_dirty(true);
  63 }
  64
  65 Action::ParamVocab
  66 Action::ActivepointRemove::get_param_vocab()
  67 {
  68         ParamVocab ret(Action::CanvasSpecific::get_param_vocab());
  69
  70         ret.push_back(ParamDesc("value_desc",Param::TYPE_VALUEDESC)
  71                 .set_local_name(_("ValueDesc"))
  72         );
  73
  74         ret.push_back(ParamDesc("activepoint",Param::TYPE_ACTIVEPOINT)
  75                 .set_local_name(_("Activepoint"))
  76                 .set_desc(_("Activepoint to be changed"))
  77         );
  78
  79         return ret;
  80 }
  81
  82 bool
  83 Action::ActivepointRemove::is_canidate(const ParamList &x)
  84 {
  85         if(canidate_check(get_param_vocab(),x))
  86         {
  87                 ValueDesc value_desc(x.find("value_desc")->second.get_value_desc());
  88                 if(!value_desc.parent_is_value_node() || !ValueNode_DynamicList::Handle::cast_dynamic(value_desc.get_parent_value_node()))
  89                         return false;
  90
  91                 return true;
  92         }
  93         return false;
  94 }
  95
  96 bool
  97 Action::ActivepointRemove::set_param(const synfig::String& name, const Action::Param &param)
  98 {
  99         if(name=="value_desc" && param.get_type()==Param::TYPE_VALUEDESC)
 100         {
 101                 ValueDesc value_desc(param.get_value_desc());
 102
 103                 if(!value_desc.parent_is_value_node())
 104                         return false;
 105
 106                 value_node=ValueNode_DynamicList::Handle::cast_dynamic(value_desc.get_parent_value_node());
 107
 108                 if(!value_node)
 109                         return false;
 110
 111                 index=value_desc.get_index();
 112
 113                 return true;
 114         }
 115         if(name=="activepoint" && param.get_type()==Param::TYPE_ACTIVEPOINT)
 116         {
 117                 activepoint=param.get_activepoint();
 118
 119                 return true;
 120         }
 121
 122         return Action::CanvasSpecific::set_param(name,param);
 123 }
 124
 125 bool
 126 Action::ActivepointRemove::is_ready()const
 127 {
 128         if(!value_node || activepoint.get_time()==(Time::begin()-1))
 129                 return false;
 130         return Action::CanvasSpecific::is_ready();
 131 }
 132
 133 void
 134 Action::ActivepointRemove::perform()
 135 {
 136         ValueNode_DynamicList::ListEntry::ActivepointList::iterator iter;
 137
 138         try { iter=value_node->list[index].find(activepoint); }
 139         catch(synfig::Exception::NotFound)
 140         {
 141                 throw Error(_("Unable to find activepoint"));
 142         }
 143
 144         value_node->list[index].erase(activepoint);
 145         value_node->changed();
 146
 147         /*
 148         // Signal that a layer has been inserted
 149         if(get_canvas_interface())
 150         {
 151                 get_canvas_interface()->signal_value_node_changed()(value_node);
 152         }
 153         else synfig::warning("CanvasInterface not set on action");
 154         */
 155 }
 156
 157 void
 158 Action::ActivepointRemove::undo()
 159 {
 160         try { value_node->list[index].find(activepoint.get_time()); throw Error(_("A Activepoint already exists at this point in time"));}
 161         catch(synfig::Exception::NotFound) { }
 162
 163         try { if(value_node->list[index].find(activepoint)!=value_node->list[index].timing_info.end()) throw Error(_("This activepoint is already in the ValueNode"));}
 164         catch(synfig::Exception::NotFound) { }
 165
 166         value_node->list[index].add(activepoint);
 167         value_node->changed();
 168         /*
 169         // Signal that a layer has been inserted
 170         if(get_canvas_interface())
 171         {
 172                 get_canvas_interface()->signal_value_node_changed()(value_node);
 173         }
 174         else synfig::warning("CanvasInterface not set on action");
 175         */
 176 }