From 8dd159d21f0c89ac2a828814284967fc631ab571 Mon Sep 17 00:00:00 2001
From: mental <mental@users.sourceforge.net>
Date: Mon, 6 Mar 2006 05:08:31 +0000
Subject: [PATCH] add DocumentSubset::_clear

---
 ChangeLog               |  5 +++++
 src/document-subset.cpp | 15 +++++++++++++++
 src/document-subset.h   |  1 +
 3 files changed, 21 insertions(+)

diff --git a/ChangeLog b/ChangeLog
index 492c77a14..15e64ddf1 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2006-03-06  MenTaLguY  <mental@rydia.net>
+
+    * src/document-subset.h, src/document-subset.cpp:
+      add DocumentSubset::_clear
+
 2006-03-05  MenTaLguY  <mental@rydia.net>
 
     * src/document-subset.h, src/document-subset.cpp:
diff --git a/src/document-subset.cpp b/src/document-subset.cpp
index f6b32c0f4..ba6e416cd 100644
--- a/src/document-subset.cpp
+++ b/src/document-subset.cpp
@@ -142,6 +142,7 @@ struct DocumentSubset::Relations : public GC::Managed<GC::ATOMIC>,
     void addOne(SPObject *obj);
     void remove(SPObject *obj, bool subtree);
     void reorder(SPObject *obj);
+    void clear();
 
 private:
     Record &_doAdd(SPObject *obj) {
@@ -277,6 +278,16 @@ void DocumentSubset::Relations::remove(SPObject *obj, bool subtree) {
     changed_signal.emit();
 }
 
+void DocumentSubset::Relations::clear() {
+    Record &root=records[NULL];
+
+    while (!root.children.empty()) {
+        _doRemoveSubtree(root.children.front());
+    }
+
+    changed_signal.emit();
+}
+
 void DocumentSubset::Relations::reorder(SPObject *obj) {
     SPObject::ParentIterator parent=obj;
 
@@ -316,6 +327,10 @@ void DocumentSubset::_remove(SPObject *obj, bool subtree) {
     _relations->remove(obj, subtree);
 }
 
+void DocumentSubset::_clear() {
+    _relations->clear();
+}
+
 bool DocumentSubset::includes(SPObject *obj) const {
     return _relations->get(obj);
 }
diff --git a/src/document-subset.h b/src/document-subset.h
index 269b4c59b..e424a289c 100644
--- a/src/document-subset.h
+++ b/src/document-subset.h
@@ -42,6 +42,7 @@ protected:
     void _addOne(SPObject *obj);
     void _removeOne(SPObject *obj) { _remove(obj, false); }
     void _removeSubtree(SPObject *obj) { _remove(obj, true); }
+    void _clear();
 
 private:
     DocumentSubset(DocumentSubset const &); // no copy
-- 
2.30.2