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/*
* Inkscape::XML::SimpleSession - simple session/logging implementation
*
* Copyright 2005 MenTaLguY <mental@rydia.net>
*
* 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.
*
* See the file COPYING for details.
*
*/
#include "xml/simple-session.h"
#include "xml/event-fns.h"
#include "xml/element-node.h"
#include "xml/text-node.h"
#include "xml/comment-node.h"
namespace Inkscape {
namespace XML {
void SimpleSession::beginTransaction() {
g_assert(!_in_transaction);
_in_transaction = true;
}
void SimpleSession::rollback() {
g_assert(_in_transaction);
_in_transaction = false;
Event *log = _log_builder.detach();
sp_repr_undo_log(log);
sp_repr_free_log(log);
}
void SimpleSession::commit() {
g_assert(_in_transaction);
_in_transaction = false;
_log_builder.discard();
}
Inkscape::XML::Event *SimpleSession::commitUndoable() {
g_assert(_in_transaction);
_in_transaction = false;
return _log_builder.detach();
}
Node *SimpleSession::createElementNode(char const *name) {
return new ElementNode(g_quark_from_string(name));
}
Node *SimpleSession::createTextNode(char const *content) {
return new TextNode(Util::share_string(content));
}
Node *SimpleSession::createCommentNode(char const *content) {
return new CommentNode(Util::share_string(content));
}
void SimpleSession::notifyChildAdded(Node &parent,
Node &child,
Node *prev)
{
if (_in_transaction) {
_log_builder.addChild(parent, child, prev);
}
}
void SimpleSession::notifyChildRemoved(Node &parent,
Node &child,
Node *prev)
{
if (_in_transaction) {
_log_builder.removeChild(parent, child, prev);
}
}
void SimpleSession::notifyChildOrderChanged(Node &parent,
Node &child,
Node *old_prev,
Node *new_prev)
{
if (_in_transaction) {
_log_builder.setChildOrder(parent, child, old_prev, new_prev);
}
}
void SimpleSession::notifyContentChanged(Node &node,
Util::shared_ptr<char> old_content,
Util::shared_ptr<char> new_content)
{
if (_in_transaction) {
_log_builder.setContent(node, old_content, new_content);
}
}
void SimpleSession::notifyAttributeChanged(Node &node,
GQuark name,
Util::shared_ptr<char> old_value,
Util::shared_ptr<char> new_value)
{
if (_in_transaction) {
_log_builder.setAttribute(node, name, old_value, new_value);
}
}
}
}
/*
Local Variables:
mode:c++
c-file-style:"stroustrup"
c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
indent-tabs-mode:nil
fill-column:99
End:
*/
// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :
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