From e104b220388a276a4483a45567243a8473ca5fa6 Mon Sep 17 00:00:00 2001
From: Marcus Eggenberger <egs@quassel-irc.org>
Date: Wed, 25 Jul 2007 17:55:00 +0000
Subject: [PATCH] treemodels can now be cleared

---
 src/client/treemodel.cpp | 13 +++++++++++++
 src/client/treemodel.h   |  2 ++
 2 files changed, 15 insertions(+)

diff --git a/src/client/treemodel.cpp b/src/client/treemodel.cpp
index 3f264498..1505a25e 100644
--- a/src/client/treemodel.cpp
+++ b/src/client/treemodel.cpp
@@ -169,3 +169,16 @@ bool TreeModel::removeRow(int row, const QModelIndex &parent) {
   return true;
 }
 
+bool TreeModel::removeRows(int row, int count, const QModelIndex &parent) {
+  beginRemoveRows(parent, row, row + count - 1);
+  TreeItem *item = static_cast<TreeItem*>(parent.internalPointer());
+  for(int i = row; i < row + count; i++) {
+    item->removeChild(i);
+  }
+  endRemoveRows();
+  return true;
+}
+
+void TreeModel::clear() {
+  removeRows(0, rowCount(), QModelIndex());
+}
diff --git a/src/client/treemodel.h b/src/client/treemodel.h
index 1941602f..f979d113 100644
--- a/src/client/treemodel.h
+++ b/src/client/treemodel.h
@@ -73,6 +73,8 @@ public:
 
 protected:
   bool removeRow(int row, const QModelIndex &parent = QModelIndex());
+  bool removeRows(int row, int count, const QModelIndex &parent = QModelIndex());
+  void clear();
   
   TreeItem *rootItem;
 };
-- 
2.20.1