Code

Extensions. Add option to choose dxf output units
[inkscape.git] / src / sp-object-group.cpp
1 /*
2  * Abstract base class for non-item groups
3  *
4  * Authors:
5  *   Lauris Kaplinski <lauris@kaplinski.com>
6  *   Jon A. Cruz <jon@joncruz.org>
7  *   Abhishek Sharma
8  *
9  * Copyright (C) 1999-2003 Authors
10  * Copyright (C) 2001-2002 Ximian, Inc.
11  *
12  * Released under GNU GPL, read the file 'COPYING' for more information
13  */
15 #include "sp-object-group.h"
16 #include "xml/repr.h"
17 #include "document.h"
19 SPObjectClass * SPObjectGroupClass::static_parent_class = 0;
21 GType SPObjectGroup::sp_objectgroup_get_type(void)
22 {
23     static GType objectgroup_type = 0;
24     if (!objectgroup_type) {
25         GTypeInfo objectgroup_info = {
26             sizeof(SPObjectGroupClass),
27             NULL,   /* base_init */
28             NULL,   /* base_finalize */
29             (GClassInitFunc) SPObjectGroupClass::sp_objectgroup_class_init,
30             NULL,   /* class_finalize */
31             NULL,   /* class_data */
32             sizeof(SPObjectGroup),
33             16,     /* n_preallocs */
34             (GInstanceInitFunc) init,
35             NULL,   /* value_table */
36         };
37         objectgroup_type = g_type_register_static(SP_TYPE_OBJECT, "SPObjectGroup", &objectgroup_info, (GTypeFlags)0);
38     }
39     return objectgroup_type;
40 }
42 void SPObjectGroupClass::sp_objectgroup_class_init(SPObjectGroupClass *klass)
43 {
44     GObjectClass * object_class = (GObjectClass *) klass;
45     SPObjectClass * sp_object_class = (SPObjectClass *) klass;
47     static_parent_class = (SPObjectClass *)g_type_class_ref(SP_TYPE_OBJECT);
49     sp_object_class->child_added = SPObjectGroup::childAdded;
50     sp_object_class->remove_child = SPObjectGroup::removeChild;
51     sp_object_class->order_changed = SPObjectGroup::orderChanged;
52     sp_object_class->write = SPObjectGroup::write;
53 }
55 void SPObjectGroup::init(SPObjectGroup * /*objectgroup*/)
56 {
57 }
59 void SPObjectGroup::childAdded(SPObject *object, Inkscape::XML::Node *child, Inkscape::XML::Node *ref)
60 {
61     if (((SPObjectClass *) (SPObjectGroupClass::static_parent_class))->child_added) {
62         (* ((SPObjectClass *) (SPObjectGroupClass::static_parent_class))->child_added)(object, child, ref);
63     }
65     object->requestModified(SP_OBJECT_MODIFIED_FLAG);
66 }
68 void SPObjectGroup::removeChild(SPObject *object, Inkscape::XML::Node *child)
69 {
70     if (((SPObjectClass *) (SPObjectGroupClass::static_parent_class))->remove_child) {
71         (* ((SPObjectClass *) (SPObjectGroupClass::static_parent_class))->remove_child)(object, child);
72     }
74     object->requestModified(SP_OBJECT_MODIFIED_FLAG);
75 }
77 void SPObjectGroup::orderChanged(SPObject *object, Inkscape::XML::Node *child, Inkscape::XML::Node *old_ref, Inkscape::XML::Node *new_ref)
78 {
79     if (((SPObjectClass *) (SPObjectGroupClass::static_parent_class))->order_changed) {
80         (* ((SPObjectClass *) (SPObjectGroupClass::static_parent_class))->order_changed)(object, child, old_ref, new_ref);
81     }
83     object->requestModified(SP_OBJECT_MODIFIED_FLAG);
84 }
86 Inkscape::XML::Node *SPObjectGroup::write(SPObject *object, Inkscape::XML::Document *xml_doc, Inkscape::XML::Node *repr, guint flags)
87 {
88     SP_OBJECTGROUP(object); // Ensure we have the right type of SPObject
90     if (flags & SP_OBJECT_WRITE_BUILD) {
91         if (!repr) {
92             repr = xml_doc->createElement("svg:g");
93         }
94         GSList *l = 0;
95         for ( SPObject *child = object->firstChild() ; child ; child = child->getNext() ) {
96             Inkscape::XML::Node *crepr = child->updateRepr(xml_doc, NULL, flags);
97             if (crepr) {
98                 l = g_slist_prepend(l, crepr);
99             }
100         }
101         while (l) {
102             repr->addChild((Inkscape::XML::Node *) l->data, NULL);
103             Inkscape::GC::release((Inkscape::XML::Node *) l->data);
104             l = g_slist_remove(l, l->data);
105         }
106     } else {
107         for ( SPObject *child = object->firstChild() ; child ; child = child->getNext() ) {
108             child->updateRepr(flags);
109         }
110     }
112     if (((SPObjectClass *) (SPObjectGroupClass::static_parent_class))->write) {
113         ((SPObjectClass *) (SPObjectGroupClass::static_parent_class))->write(object, xml_doc, repr, flags);
114     }
116     return repr;
119 /*
120   Local Variables:
121   mode:c++
122   c-file-style:"stroustrup"
123   c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
124   indent-tabs-mode:nil
125   fill-column:99
126   End:
127 */
128 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :