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/*
* Copyright (c) 2009, 2014, Oracle and/or its affiliates. All rights reserved.
*
* 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; version 2 of the
* License.
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*/
#include "mforms/mforms.h"
using namespace mforms;
Menu::Menu()
{
_menu_impl= &ControlFactory::get_instance()->_menu_impl;
_menu_impl->create(this);
}
bool Menu::empty() const
{
return _item_map.size() == 0;
}
void Menu::remove_item(int i)
{
_menu_impl->remove_item(this, i);
std::string to_remove;
for (std::map<const std::string, int>::iterator index = _item_map.begin(); index != _item_map.end(); index++)
{
if ((*index).second == i)
to_remove = (*index).first;
else if((*index).second > i)
(*index).second--;
}
if (!to_remove.empty())
_item_map.erase(to_remove);
}
int Menu::add_item(const std::string &caption, const std::string &action)
{
int item_index = _menu_impl->add_item(this, caption, action);
_item_map[action] = item_index;
return item_index;
}
int Menu::add_separator()
{
return _menu_impl->add_separator(this);
}
int Menu::add_submenu(const std::string &caption, Menu *submenu)
{
// Connect our action handler to the sub menu so all commands can be triggered via the top
// menu in the hierarchy.
submenu->signal_on_action()->connect(boost::bind(&Menu::handle_action, this, _1));
return _menu_impl->add_submenu(this, caption, submenu);
}
//--------------------------------------------------------------------------------------------------
/**
* Adds menu entries for all the items in the given list.
*/
void Menu::add_items_from_list(const bec::MenuItemList& list)
{
for (bec::MenuItemList::const_iterator item = list.begin(); item != list.end(); ++item)
{
if (item->type == bec::MenuAction)
{
int i = add_item(item->caption, item->name);
set_item_enabled(i, item->enabled);
}
else if (item->type == bec::MenuSeparator)
add_separator();
else if (item->type == bec::MenuCascade)
{
Menu *submenu = mforms::manage(new mforms::Menu());
submenu->add_items_from_list(item->subitems);
int i = add_submenu(item->caption, submenu);
set_item_enabled(i, item->enabled);
}
}
}
//--------------------------------------------------------------------------------------------------
void Menu::set_item_enabled(int i, bool flag)
{
_menu_impl->set_item_enabled(this, i, flag);
}
void Menu::set_item_enabled(const std::string &action, bool flag)
{
int i = get_item_index(action);
if (i < 0)
throw std::invalid_argument("invalid menu action "+action);
_menu_impl->set_item_enabled(this, i, flag);
}
void Menu::set_handler(const boost::function<void (const std::string&)> &action_handler)
{
_action_handler = action_handler;
}
void Menu::popup_at(Object *control, int x, int y)
{
#ifndef _WIN32
_on_will_show(); // Popping up the menu will trigger the on_show event on Win.
#endif
_menu_impl->popup_at(this, control, x, y);
}
void Menu::popup()
{
#ifndef _WIN32
_on_will_show(); // Popping up the menu will trigger the on_show event on Win.
#endif
_menu_impl->popup_at(this, 0, 0, 0);
}
//--------------------------------------------------------------------------------------------------
void Menu::handle_action(const std::string &action)
{
if (_action_handler)
_action_handler(action);
_on_action(action);
}
//--------------------------------------------------------------------------------------------------
void mforms::Menu::clear()
{
_menu_impl->clear(this);
_item_map.clear();
}
//--------------------------------------------------------------------------------------------------
int mforms::Menu::get_item_index(const std::string &action)
{
int item_index=-1;
std::map<const std::string, int>::iterator location= _item_map.find(action);
if (location != _item_map.end() )
item_index = _item_map[action];
return item_index;
}
//--------------------------------------------------------------------------------------------------
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