synfig-studio/trunk/src/gtkmm/historytreestore.cpp

   1 /* === S Y N F I G ========================================================= */
   2 /*!     \file historytreestore.cpp
   3 **      \brief Template File
   4 **
   5 **      $Id$
   6 **
   7 **      \legal
   8 **      Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
   9 **
  10 **      This package is free software; you can redistribute it and/or
  11 **      modify it under the terms of the GNU General Public License as
  12 **      published by the Free Software Foundation; either version 2 of
  13 **      the License, or (at your option) any later version.
  14 **
  15 **      This package is distributed in the hope that it will be useful,
  16 **      but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 **      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  18 **      General Public License for more details.
  19 **      \endlegal
  20 */
  21 /* ========================================================================= */
  22
  23 /* === H E A D E R S ======================================================= */
  24
  25 #ifdef USING_PCH
  26 #       include "pch.h"
  27 #else
  28 #ifdef HAVE_CONFIG_H
  29 #       include <config.h>
  30 #endif
  31
  32 #include "historytreestore.h"
  33 #include <synfig/valuenode.h>
  34 #include "iconcontroler.h"
  35 #include <synfig/valuenode_timedswap.h>
  36 #include <gtkmm/button.h>
  37 #include <synfigapp/action.h>
  38 #include "instance.h"
  39
  40 #endif
  41
  42 /* === U S I N G =========================================================== */
  43
  44 using namespace std;
  45 using namespace etl;
  46 using namespace synfig;
  47 using namespace studio;
  48
  49 /* === M A C R O S ========================================================= */
  50
  51 /* === G L O B A L S ======================================================= */
  52
  53 /* === P R O C E D U R E S ================================================= */
  54
  55 /* === M E T H O D S ======================================================= */
  56
  57 static HistoryTreeStore::Model& ModelHack()
  58 {
  59         static HistoryTreeStore::Model* model(0);
  60         if(!model)model=new HistoryTreeStore::Model;
  61         return *model;
  62 }
  63
  64 HistoryTreeStore::HistoryTreeStore(etl::loose_handle<studio::Instance> instance_):
  65         Gtk::TreeStore  (ModelHack()),
  66         instance_               (instance_)
  67 {
  68         instance_->signal_undo().connect(sigc::mem_fun(*this,&studio::HistoryTreeStore::on_undo));
  69         instance_->signal_redo().connect(sigc::mem_fun(*this,&studio::HistoryTreeStore::on_redo));
  70         instance_->signal_undo_stack_cleared().connect(sigc::mem_fun(*this,&studio::HistoryTreeStore::on_undo_stack_cleared));
  71         instance_->signal_redo_stack_cleared().connect(sigc::mem_fun(*this,&studio::HistoryTreeStore::on_redo_stack_cleared));
  72         instance_->signal_new_action().connect(sigc::mem_fun(*this,&studio::HistoryTreeStore::on_new_action));
  73         instance_->signal_action_status_changed().connect(sigc::mem_fun(*this,&studio::HistoryTreeStore::on_action_status_changed));
  74 }
  75
  76 HistoryTreeStore::~HistoryTreeStore()
  77 {
  78         synfig::info("HistoryTreeStore::~HistoryTreeStore(): Deleted");
  79 }
  80
  81 Glib::RefPtr<HistoryTreeStore>
  82 HistoryTreeStore::create(etl::loose_handle<studio::Instance> instance_)
  83 {
  84         return Glib::RefPtr<HistoryTreeStore>(new HistoryTreeStore(instance_));
  85 }
  86
  87 void
  88 HistoryTreeStore::rebuild()
  89 {
  90         synfigapp::Action::Stack::const_iterator iter;
  91
  92         clear();
  93
  94         for(iter=instance()->undo_action_stack().begin();iter!=instance()->undo_action_stack().end();++iter)
  95         {
  96                 insert_action(*(prepend()),*iter,true,true,false);
  97         }
  98         curr_row=*children().end();
  99         for(iter=instance()->redo_action_stack().begin();iter!=instance()->redo_action_stack().end();++iter)
 100         {
 101                 insert_action(*(append()),*iter,true,false,true);
 102         }
 103 }
 104
 105 void
 106 HistoryTreeStore::insert_action(Gtk::TreeRow row,etl::handle<synfigapp::Action::Undoable> action, bool /*is_active*/, bool is_undo, bool is_redo)
 107 {
 108         assert(action);
 109
 110         row[model.action] = action;
 111         row[model.name] = static_cast<Glib::ustring>(action->get_local_name());
 112         row[model.is_active] = action->is_active();
 113         row[model.is_undo] = is_undo;
 114         row[model.is_redo] = is_redo;
 115
 116         synfigapp::Action::CanvasSpecific *specific_action;
 117         specific_action=dynamic_cast<synfigapp::Action::CanvasSpecific*>(action.get());
 118         if(specific_action)
 119         {
 120                 row[model.canvas] = specific_action->get_canvas();
 121                 row[model.canvas_id] = specific_action->get_canvas()->get_id();
 122         }
 123
 124         etl::handle<synfigapp::Action::Group> group;
 125         group=etl::handle<synfigapp::Action::Group>::cast_dynamic(action);
 126         if(group)
 127         {
 128                 synfigapp::Action::ActionList::const_iterator iter;
 129                 for(iter=group->action_list().begin();iter!=group->action_list().end();++iter)
 130                 {
 131                         Gtk::TreeRow child_row = *(append(row.children()));
 132                         insert_action(child_row,*iter,true,is_undo,is_redo);
 133                 }
 134         }
 135
 136         //row[model.icon] = Gtk::Button().render_icon(Gtk::StockID("synfig-canvas"),Gtk::ICON_SIZE_SMALL_TOOLBAR);
 137 }
 138
 139
 140 void
 141 HistoryTreeStore::on_undo()
 142 {
 143         refresh();
 144 }
 145
 146 void
 147 HistoryTreeStore::on_redo()
 148 {
 149         refresh();
 150 }
 151
 152 void
 153 HistoryTreeStore::on_undo_stack_cleared()
 154 {
 155         Gtk::TreeModel::Children::iterator iter,next;
 156         Gtk::TreeModel::Children children_(children());
 157
 158         for(next=children_.begin(),iter=next++; iter != children_.end(); iter=(next!=children_.end())?next++:next)
 159         {
 160                 Gtk::TreeModel::Row row = *iter;
 161                 if(row[model.is_undo])
 162                         erase(iter);
 163         }
 164 }
 165
 166 void
 167 HistoryTreeStore::on_redo_stack_cleared()
 168 {
 169         Gtk::TreeModel::Children::iterator iter,next;
 170         Gtk::TreeModel::Children children_(children());
 171
 172         for(next=children_.begin(),iter=next++; iter != children_.end(); iter=(next!=children_.end())?next++:next)
 173         {
 174                 Gtk::TreeModel::Row row = *iter;
 175                 if(row[model.is_redo])
 176                         erase(iter);
 177         }
 178 }
 179
 180 void
 181 HistoryTreeStore::on_new_action(etl::handle<synfigapp::Action::Undoable> action)
 182 {
 183 //      Gtk::TreeRow row = *(append());
 184         Gtk::TreeRow row;
 185         Gtk::TreeModel::Children::iterator iter;
 186         for(iter=children().begin(); iter != children().end(); ++iter)
 187         {
 188                 Gtk::TreeModel::Row row = *iter;
 189                 if(row[model.is_redo])
 190                 {
 191                         break;
 192                 }
 193         }
 194
 195         row=*insert(iter);
 196
 197         insert_action(row,action);
 198 }
 199
 200 void
 201 HistoryTreeStore::on_action_status_changed(etl::handle<synfigapp::Action::Undoable> action)
 202 {
 203         Gtk::TreeModel::Children::iterator iter;
 204         Gtk::TreeModel::Children children_(children());
 205
 206         for(iter=children_.begin(); iter != children_.end(); ++iter)
 207         {
 208                 Gtk::TreeModel::Row row = *iter;
 209                 if(action == (etl::handle<synfigapp::Action::Undoable>)row[model.action])
 210                 {
 211                         row[model.is_active]=action->is_active();
 212                         return;
 213                 }
 214         }
 215 }