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// pkg_item_with_subtree.h (this is -*-c++-*-)
//
// Copyright 1999-2002, 2005 Daniel Burrows
//
// 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; see the file COPYING. If not, write to
// the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
// Boston, MA 02111-1307, USA.
//
#ifndef PKG_ITEM_WITH_SUBTREE_H
#define PKG_ITEM_WITH_SUBTREE_H
#include "pkg_item.h"
#include "pkg_columnizer.h"
#include <cwidget/columnify.h>
#include <cwidget/config/column_definition.h>
#include <cwidget/generic/util/transcode.h>
#include <cwidget/widgets/subtree.h>
/** \brief A package item with an associated subtree
*
*
* A package item with an associated subtree. More useful than you might
* think ;-)
*
* \file pkg_item_with_subtree.h
*/
template<class child, class sorter = cwidget::widgets::tag_sort_policy>
class pkg_item_with_subtree:public cwidget::widgets::subtree<child, sorter>, public pkg_item
{
class pkg_with_subtree_columnizer:public pkg_columnizer
{
bool expanded, hierarchical;
protected:
cwidget::column_disposition setup_column(int type)
{
if(type==name)
{
std::wstring name = cwidget::util::transcode(get_pkg().FullName(true));
// Interesting question: would it be reasonable to use graphical
// characters here? What about Unicode graphical characters?
if(hierarchical)
return cwidget::column_disposition(std::wstring(expanded ? L"--\\ " : L"--- ") + name, get_basex());
else
{
return cwidget::column_disposition(L"-> " + name, get_basex());
}
}
else
return pkg_columnizer::setup_column(type);
}
public:
pkg_with_subtree_columnizer(bool _expanded, bool _hierarchical,
const pkgCache::PkgIterator &_pkg,
const pkgCache::VerIterator &_visible_ver,
const cwidget::config::column_definition_list &_columns, int _basex)
:pkg_columnizer(_pkg, _visible_ver, _columns, _basex),
expanded(_expanded), hierarchical(_hierarchical)
{}
};
public:
pkg_item_with_subtree<child,sorter>(const pkgCache::PkgIterator &_package,
sigc::signal2<void, const pkgCache::PkgIterator &, const pkgCache::VerIterator &> *_sig,
bool _expanded=false):cwidget::widgets::subtree<child, sorter>(_expanded), pkg_item(_package, _sig) {}
virtual void paint(cwidget::widgets::tree *win, int y, bool hierarchical,
const cwidget::style &st)
{
int basex=2*get_depth();
int width, height;
win->getmaxyx(height, width);
pkg_columnizer::setup_columns();
cwidget::config::empty_column_parameters p;
std::wstring disp=pkg_with_subtree_columnizer(cwidget::widgets::subtree<child, sorter>::get_expanded(),
hierarchical,
get_package(),
visible_version(),
pkg_columnizer::get_columns(),
basex).layout_columns(width, p);
win->mvaddnstr(y, 0, disp, width);
}
bool dispatch_key(const cwidget::config::key &k, cwidget::widgets::tree *owner)
{
if(cwidget::widgets::subtree<child, sorter>::dispatch_key(k, owner))
return true;
else
return pkg_item::dispatch_key(k, owner);
}
void dispatch_mouse(short id, int x, mmask_t bstate, cwidget::widgets::tree *owner)
{
pkg_item::dispatch_mouse(id, x, bstate, owner);
}
};
typedef pkg_item_with_subtree<cwidget::widgets::treeitem> pkg_item_with_generic_subtree;
typedef pkg_item_with_subtree<pkg_tree_node> pkg_item_with_pkgnode_subtree;
#endif
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