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/*
Copyright (C) 2011 Paul Davis
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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <iostream>
#include <sstream>
#include "gui_object.h"
#include "i18n.h"
using std::string;
const string GUIObjectState::xml_node_name (X_("GUIObjectState"));
GUIObjectState::GUIObjectState ()
: _state (X_("GUIObjectState"))
{
}
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;
}
XMLProperty* p = (*i)->property (X_("id"));
if (p && p->value() == id) {
return *i;
}
}
return 0;
}
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->add_property (X_("id"), id);
parent->add_child_nocopy (*child);
}
return child;
}
XMLNode *
GUIObjectState::get_or_add_node (const string& id)
{
return get_or_add_node (&_state, id);
}
/** Remove node with provided id.
* @param id property of Object node to look for.
*/
void
GUIObjectState::remove_node (const std::string& id)
{
_state.remove_nodes_and_delete(X_("id"), id );
}
/** Get a string from our state.
* @param id property of Object node to look for.
* @param prop_name name of the Object property to return.
* @param empty if non-0, filled in with true if the property is currently non-existant, otherwise false.
* @return value of property `prop_name', or empty.
*/
string
GUIObjectState::get_string (const string& id, const string& prop_name, bool* empty)
{
XMLNode* child = get_node (&_state, id);
if (!child) {
if (empty) {
*empty = true;
}
return string ();
}
XMLProperty* p = child->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;
}
_state = node;
return 0;
}
void
GUIObjectState::load (const XMLNode& node)
{
(void) set_state (node);
}
std::list<string>
GUIObjectState::all_ids () const
{
std::list<string> ids;
XMLNodeList const & children = _state.children ();
for (XMLNodeList::const_iterator i = children.begin(); i != children.end(); ++i) {
if ((*i)->name() != X_("Object")) {
continue;
}
XMLProperty* p = (*i)->property (X_("id"));
if (p) {
ids.push_back (p->value ());
}
}
return ids;
}
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