1 files changed, 84 insertions, 0 deletions
diff --git a/src/object/sp-object-group.cpp b/src/object/sp-object-group.cpp
new file mode 100644
index 0000000..0977287
--- /dev/null
+++ b/src/object/sp-object-group.cpp
@@ -0,0 +1,84 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Abstract base class for non-item groups
+ *
+ * Authors:
+ *   Lauris Kaplinski <lauris@kaplinski.com>
+ *   Jon A. Cruz <jon@joncruz.org>
+ *   Abhishek Sharma
+ *
+ * Copyright (C) 1999-2003 Authors
+ * Copyright (C) 2001-2002 Ximian, Inc.
+ *
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+#include "sp-object-group.h"
+#include "xml/repr.h"
+#include "document.h"
+
+SPObjectGroup::SPObjectGroup() : SPObject() {
+}
+
+SPObjectGroup::~SPObjectGroup() = default;
+
+void SPObjectGroup::child_added(Inkscape::XML::Node *child, Inkscape::XML::Node *ref) {
+	SPObject::child_added(child, ref);
+
+	this->requestModified(SP_OBJECT_MODIFIED_FLAG);
+}
+
+
+void SPObjectGroup::remove_child(Inkscape::XML::Node *child) {
+	SPObject::remove_child(child);
+
+	this->requestModified(SP_OBJECT_MODIFIED_FLAG);
+}
+
+
+void SPObjectGroup::order_changed(Inkscape::XML::Node *child, Inkscape::XML::Node *old_ref, Inkscape::XML::Node *new_ref) {
+	SPObject::order_changed(child, old_ref, new_ref);
+
+	this->requestModified(SP_OBJECT_MODIFIED_FLAG);
+}
+
+
+Inkscape::XML::Node *SPObjectGroup::write(Inkscape::XML::Document *xml_doc, Inkscape::XML::Node *repr, guint flags) {
+    if (flags & SP_OBJECT_WRITE_BUILD) {
+        if (!repr) {
+            repr = xml_doc->createElement("svg:g");
+        }
+
+        std::vector<Inkscape::XML::Node *> l;
+        for (auto& child: children) {
+            Inkscape::XML::Node *crepr = child.updateRepr(xml_doc, nullptr, flags);
+
+            if (crepr) {
+                l.push_back(crepr);
+            }
+        }
+        for (auto i=l.rbegin();i!=l.rend();++i) {
+            repr->addChild(*i, nullptr);
+            Inkscape::GC::release(*i);
+        }
+    } else {
+        for (auto& child: children) {
+            child.updateRepr(flags);
+        }
+    }
+
+    SPObject::write(xml_doc, repr, flags);
+
+    return repr;
+}
+
+/*
+  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:fileencoding=utf-8:textwidth=99 :