clistview.h

/***************************************************************************
 *   Copyright (C) 2007 by Mike Polan                                      *
 *   kanadakid@gmail.com                                                   *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/
// clistview.h: customized TreeView class

#ifndef CLISTVIEW_H
#define CLISTVIEW_H

#include <gtkmm/menu.h>
#include <gtkmm/treestore.h>
#include <gtkmm/treeview.h>

#include "case.h"

class CListView: public Gtk::TreeView {
        public:
                CListView();
                
                static Glib::RefPtr<Gtk::TextBuffer> create_buffer();
                
                void clear();
                
                void append_toplevel_text(const Glib::ustring &text);
                
                void append_child_text(const Glib::ustring &parent, const Glib::ustring &id, 
                                       const Glib::ustring &text, const Glib::RefPtr<Gtk::TextBuffer> &buffer);
                
                void delete_toplevel_text(const Glib::ustring &text);
                
                void select_block(const Glib::ustring &block, Gtk::TreeRow *row);
                
                BufferMap get_buffers() const { return m_Buffers; }
                
                std::map<Glib::ustring, Glib::ustring> get_buffer_descriptions();
                
                sigc::signal<void, Glib::ustring, Glib::RefPtr<Gtk::TextBuffer> > 
                                signal_display_buffer() const { return m_DisplayBufferSignal; }
                
                sigc::signal<void, Glib::ustring, bool, CListView*> signal_add_text_block() const { return m_AddBlockSignal; }
                
                sigc::signal<void, Gtk::TreeModel::iterator> signal_select() const { return m_SelectSignal; }
                
        private:
                sigc::signal<void, Glib::ustring, Glib::RefPtr<Gtk::TextBuffer> > m_DisplayBufferSignal;
                
                sigc::signal<void, Gtk::TreeModel::iterator> m_SelectSignal;
                
                sigc::signal<void, Glib::ustring, bool, CListView*> m_AddBlockSignal;
                
                // handle selection changes
                void on_selection_changed();
                
                // add a text block handler
                void on_add_text_block();
                
                // delete a text block handler
                void on_delete_text_block();
                
                // edit a text block's description
                void on_edit_description();
                
                // follow a block's GOTO trigger to its target block
                void on_follow_goto();
                
                // button press handler
                virtual bool on_button_press_event(GdkEventButton *e);
                
                // context menu
                Gtk::Menu m_ContextMenu;
                
                // model
                Glib::RefPtr<Gtk::TreeStore> m_Model;
                
                // column record
                // column record for tree view
                class ColumnRec: public Gtk::TreeModel::ColumnRecord {
                        public:
                                // constructor
                                ColumnRec() {
                                        add(m_Column);
                                }
                                
                                // columns
                                Gtk::TreeModelColumn<Glib::ustring> m_Column;
                };
                
                // column record instance
                ColumnRec m_ColumnRec;
                
                BufferMap m_Buffers;
};

#endif

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