ardour/gtk2_ardour/gui_object.cc
Robin Gareus 4050ca5633
Update GPL boilerplate and (C)
Copyright-holder and year information is extracted from git log.

git history begins in 2005. So (C) from 1998..2005 is lost. Also some
(C) assignment of commits where the committer didn't use --author.
2019-08-03 15:53:15 +02:00

160 lines
3.8 KiB
C++

/*
* Copyright (C) 2011-2012 Carl Hetherington <carl@carlh.net>
* Copyright (C) 2011-2016 Paul Davis <paul@linuxaudiosystems.com>
* Copyright (C) 2015-2016 Robin Gareus <robin@gareus.org>
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <iostream>
#include <sstream>
#include "gui_object.h"
#include "pbd/i18n.h"
using std::string;
/*static*/ XMLNode *
GUIObjectState::get_node (const XMLNode* parent, const string& id)
{
XMLNodeList const & children = parent->children ();
for (XMLNodeList::const_iterator i = children.begin(); i != children.end(); ++i) {
if ((*i)->name() != X_("Object")) {
continue;
}
if ((*i)->has_property_with_value(X_("id"), id)) {
return *i;
}
}
return 0;
}
/*static*/ XMLNode *
GUIObjectState::get_or_add_node (XMLNode* parent, const string& id)
{
XMLNode* child = get_node (parent, id);
if (!child) {
child = new XMLNode (X_("Object"));
child->set_property (X_("id"), id);
parent->add_child_nocopy (*child);
}
return child;
}
const string GUIObjectState::xml_node_name (X_("GUIObjectState"));
GUIObjectState::GUIObjectState ()
: _state (X_("GUIObjectState"))
{
}
XMLNode *
GUIObjectState::get_or_add_node (const string& id)
{
std::map <std::string, XMLNode*>::iterator i = object_map.find (id);
if (i != object_map.end()) {
return i->second;
}
//assert (get_node (&_state, id) == 0); // XXX performance penalty due to get_node()
XMLNode* child = new XMLNode (X_("Object"));
child->set_property (X_("id"), id);
_state.add_child_nocopy (*child);
object_map[id] = child;
return child;
}
void
GUIObjectState::remove_node (const std::string& id)
{
object_map.erase (id);
_state.remove_nodes_and_delete(X_("id"), id );
}
string
GUIObjectState::get_string (const string& id, const string& prop_name, bool* empty)
{
std::map <std::string, XMLNode*>::const_iterator i = object_map.find (id);
if (i == object_map.end()) {
//assert (get_node (&_state, id) == 0); // XXX performance penalty due to get_node()
if (empty) {
*empty = true;
}
return string ();
}
//assert (get_node (&_state, id) == i->second); // XXX performance penalty due to get_node()
XMLProperty const * p (i->second->property (prop_name));
if (!p) {
if (empty) {
*empty = true;
}
return string ();
}
if (empty) {
*empty = false;
}
return p->value ();
}
XMLNode&
GUIObjectState::get_state () const
{
return *new XMLNode (_state);
}
int
GUIObjectState::set_state (const XMLNode& node)
{
if (node.name() != xml_node_name) {
return -1;
}
object_map.clear ();
_state = node;
XMLNodeList const & children (_state.children ());
for (XMLNodeList::const_iterator i = children.begin(); i != children.end(); ++i) {
if ((*i)->name() != X_("Object")) {
continue;
}
XMLProperty const * prop = (*i)->property (X_("id"));
if (!prop) {
continue;
}
object_map[prop->value ()] = *i;
}
return 0;
}
void
GUIObjectState::load (const XMLNode& node)
{
(void) set_state (node);
}
std::list<string>
GUIObjectState::all_ids () const
{
std::list<string> ids;
for (std::map <std::string, XMLNode*>::const_iterator i = object_map.begin ();
i != object_map.end (); ++i) {
ids.push_back (i->first);
}
return ids;
}