1 #define __SP_OBJECTGROUP_C__
3 /*
4 * Abstract base class for non-item groups
5 *
6 * Authors:
7 * Lauris Kaplinski <lauris@kaplinski.com>
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 static void sp_objectgroup_class_init (SPObjectGroupClass *klass);
20 static void sp_objectgroup_init (SPObjectGroup *objectgroup);
22 static void sp_objectgroup_child_added (SPObject * object, Inkscape::XML::Node * child, Inkscape::XML::Node * ref);
23 static void sp_objectgroup_remove_child (SPObject * object, Inkscape::XML::Node * child);
24 static void sp_objectgroup_order_changed (SPObject * object, Inkscape::XML::Node * child, Inkscape::XML::Node * old_ref, Inkscape::XML::Node * new_ref);
25 static Inkscape::XML::Node *sp_objectgroup_write (SPObject *object, Inkscape::XML::Document *doc, Inkscape::XML::Node *repr, guint flags);
27 static SPObjectClass *parent_class;
29 GType
30 sp_objectgroup_get_type (void)
31 {
32 static GType objectgroup_type = 0;
33 if (!objectgroup_type) {
34 GTypeInfo objectgroup_info = {
35 sizeof (SPObjectGroupClass),
36 NULL, /* base_init */
37 NULL, /* base_finalize */
38 (GClassInitFunc) sp_objectgroup_class_init,
39 NULL, /* class_finalize */
40 NULL, /* class_data */
41 sizeof (SPObjectGroup),
42 16, /* n_preallocs */
43 (GInstanceInitFunc) sp_objectgroup_init,
44 NULL, /* value_table */
45 };
46 objectgroup_type = g_type_register_static (SP_TYPE_OBJECT, "SPObjectGroup", &objectgroup_info, (GTypeFlags)0);
47 }
48 return objectgroup_type;
49 }
51 static void
52 sp_objectgroup_class_init (SPObjectGroupClass *klass)
53 {
54 GObjectClass * object_class;
55 SPObjectClass * sp_object_class;
57 object_class = (GObjectClass *) klass;
58 sp_object_class = (SPObjectClass *) klass;
60 parent_class = (SPObjectClass *)g_type_class_ref (SP_TYPE_OBJECT);
62 sp_object_class->child_added = sp_objectgroup_child_added;
63 sp_object_class->remove_child = sp_objectgroup_remove_child;
64 sp_object_class->order_changed = sp_objectgroup_order_changed;
65 sp_object_class->write = sp_objectgroup_write;
66 }
68 static void
69 sp_objectgroup_init (SPObjectGroup */*objectgroup*/)
70 {
71 }
73 static void
74 sp_objectgroup_child_added (SPObject *object, Inkscape::XML::Node *child, Inkscape::XML::Node *ref)
75 {
76 if (((SPObjectClass *) (parent_class))->child_added)
77 (* ((SPObjectClass *) (parent_class))->child_added) (object, child, ref);
79 object->requestModified(SP_OBJECT_MODIFIED_FLAG);
80 }
82 static void
83 sp_objectgroup_remove_child (SPObject *object, Inkscape::XML::Node *child)
84 {
85 if (((SPObjectClass *) (parent_class))->remove_child)
86 (* ((SPObjectClass *) (parent_class))->remove_child) (object, child);
88 object->requestModified(SP_OBJECT_MODIFIED_FLAG);
89 }
91 static void
92 sp_objectgroup_order_changed (SPObject *object, Inkscape::XML::Node *child, Inkscape::XML::Node *old_ref, Inkscape::XML::Node *new_ref)
93 {
94 if (((SPObjectClass *) (parent_class))->order_changed)
95 (* ((SPObjectClass *) (parent_class))->order_changed) (object, child, old_ref, new_ref);
97 object->requestModified(SP_OBJECT_MODIFIED_FLAG);
98 }
100 static Inkscape::XML::Node *
101 sp_objectgroup_write (SPObject *object, Inkscape::XML::Document *xml_doc, Inkscape::XML::Node *repr, guint flags)
102 {
103 SPObjectGroup *group;
104 SPObject *child;
105 Inkscape::XML::Node *crepr;
107 group = SP_OBJECTGROUP (object);
109 if (flags & SP_OBJECT_WRITE_BUILD) {
110 GSList *l;
111 if (!repr) {
112 repr = xml_doc->createElement("svg:g");
113 }
114 l = NULL;
115 for ( child = sp_object_first_child(object) ; child != NULL ; child = SP_OBJECT_NEXT(child) ) {
116 crepr = child->updateRepr(xml_doc, NULL, flags);
117 if (crepr) l = g_slist_prepend (l, crepr);
118 }
119 while (l) {
120 repr->addChild((Inkscape::XML::Node *) l->data, NULL);
121 Inkscape::GC::release((Inkscape::XML::Node *) l->data);
122 l = g_slist_remove (l, l->data);
123 }
124 } else {
125 for ( child = sp_object_first_child(object) ; child != NULL ; child = SP_OBJECT_NEXT(child) ) {
126 child->updateRepr(flags);
127 }
128 }
130 if (((SPObjectClass *) (parent_class))->write)
131 ((SPObjectClass *) (parent_class))->write (object, xml_doc, repr, flags);
133 return repr;
134 }