Code

#include "config.h" too
[inkscape.git] / src / xml / simple-session.cpp
1 /*
2  * Inkscape::XML::SimpleSession - simple session/logging implementation
3  *
4  * Copyright 2005 MenTaLguY <mental@rydia.net>
5  *
6  * This program is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU General Public License
8  * as published by the Free Software Foundation; either version 2
9  * of the License, or (at your option) any later version.
10  *
11  * See the file COPYING for details.
12  *
13  */
15 #include "xml/simple-session.h"
16 #include "xml/event-fns.h"
17 #include "xml/element-node.h"
18 #include "xml/text-node.h"
19 #include "xml/comment-node.h"
21 namespace Inkscape {
23 namespace XML {
25 void SimpleSession::beginTransaction() {
26     g_assert(!_in_transaction);
27     _in_transaction = true;
28 }
30 void SimpleSession::rollback() {
31     g_assert(_in_transaction);
32     _in_transaction = false;
33     Event *log = _log_builder.detach();
34     sp_repr_undo_log(log);
35     sp_repr_free_log(log);
36 }
38 void SimpleSession::commit() {
39     g_assert(_in_transaction);
40     _in_transaction = false;
41     _log_builder.discard();
42 }
44 Inkscape::XML::Event *SimpleSession::commitUndoable() {
45     g_assert(_in_transaction);
46     _in_transaction = false;
47     return _log_builder.detach();
48 }
50 Node *SimpleSession::createElementNode(char const *name) {
51     return new ElementNode(g_quark_from_string(name));
52 }
54 Node *SimpleSession::createTextNode(char const *content) {
55     return new TextNode(Util::share_string(content));
56 }
58 Node *SimpleSession::createCommentNode(char const *content) {
59     return new CommentNode(Util::share_string(content));
60 }
62 void SimpleSession::notifyChildAdded(Node &parent,
63                                      Node &child,
64                                      Node *prev)
65 {
66     if (_in_transaction) {
67         _log_builder.addChild(parent, child, prev);
68     }
69 }
71 void SimpleSession::notifyChildRemoved(Node &parent,
72                                        Node &child,
73                                        Node *prev)
74 {
75     if (_in_transaction) {
76         _log_builder.removeChild(parent, child, prev);
77     }
78 }
80 void SimpleSession::notifyChildOrderChanged(Node &parent,
81                                             Node &child,
82                                             Node *old_prev,
83                                             Node *new_prev)
84 {
85     if (_in_transaction) {
86         _log_builder.setChildOrder(parent, child, old_prev, new_prev);
87     }
88 }
90 void SimpleSession::notifyContentChanged(Node &node,
91                                          Util::ptr_shared<char> old_content,
92                                          Util::ptr_shared<char> new_content)
93 {
94     if (_in_transaction) {
95         _log_builder.setContent(node, old_content, new_content);
96     }
97 }
99 void SimpleSession::notifyAttributeChanged(Node &node,
100                                            GQuark name,
101                                            Util::ptr_shared<char> old_value,
102                                            Util::ptr_shared<char> new_value)
104     if (_in_transaction) {
105         _log_builder.setAttribute(node, name, old_value, new_value);
106     }
113 /*
114   Local Variables:
115   mode:c++
116   c-file-style:"stroustrup"
117   c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
118   indent-tabs-mode:nil
119   fill-column:99
120   End:
121 */
122 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :