From e9246c710e3b62ee4cb64eafcb896f46c98e62f8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Stephan=20A=C3=9Fmus?= <superstippi@gmx.de>
Date: Thu, 26 Jun 2008 22:42:20 +0000
Subject: [PATCH] Implemented Playlist->Edit->Make Empty (undoable).

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@26144 a95241bf-73f2-0310-859d-f6bbb57e9c96
---
 src/apps/mediaplayer/playlist/ListViews.cpp      | 15 +++++++++++++++
 src/apps/mediaplayer/playlist/ListViews.h        |  1 +
 src/apps/mediaplayer/playlist/PlaylistWindow.cpp |  1 +
 3 files changed, 17 insertions(+)

diff --git a/src/apps/mediaplayer/playlist/ListViews.cpp b/src/apps/mediaplayer/playlist/ListViews.cpp
index 5c86c699ca..ab898026a1 100644
--- a/src/apps/mediaplayer/playlist/ListViews.cpp
+++ b/src/apps/mediaplayer/playlist/ListViews.cpp
@@ -717,6 +717,21 @@ DragSortableListView::RemoveSelected()
 		RemoveItemList(indices);
 }
 
+// RemoveAll
+void
+DragSortableListView::RemoveAll()
+{
+	BList indices;
+	int32 count = CountItems();
+	for (int32 i = 0; i < count; i++) {
+		if (!indices.AddItem((void*)i))
+			break;
+	}
+
+	if (indices.CountItems() > 0)
+		RemoveItemList(indices);
+}
+
 // CountSelectedItems
 int32
 DragSortableListView::CountSelectedItems() const
diff --git a/src/apps/mediaplayer/playlist/ListViews.h b/src/apps/mediaplayer/playlist/ListViews.h
index 5a9994852f..2f7f077ec8 100644
--- a/src/apps/mediaplayer/playlist/ListViews.h
+++ b/src/apps/mediaplayer/playlist/ListViews.h
@@ -93,6 +93,7 @@ class DragSortableListView : public BListView {
 	virtual	void			CopyItems(BList& indices, int32 toIndex);
 	virtual	void			RemoveItemList(BList& indices);
 			void			RemoveSelected(); // uses RemoveItemList()
+			void			RemoveAll(); // uses RemoveItemList()
 			int32			CountSelectedItems() const;
 			void			SelectAll();
 	virtual	bool			DeleteItem(int32 index);
diff --git a/src/apps/mediaplayer/playlist/PlaylistWindow.cpp b/src/apps/mediaplayer/playlist/PlaylistWindow.cpp
index a949ce4ee7..944392e5ac 100644
--- a/src/apps/mediaplayer/playlist/PlaylistWindow.cpp
+++ b/src/apps/mediaplayer/playlist/PlaylistWindow.cpp
@@ -145,6 +145,7 @@ PlaylistWindow::MessageReceived(BMessage* message)
 			fOpenPanel->Show();
 			break;						
 		case M_PLAYLIST_EMPTY:
+			fListView->RemoveAll();
 			break;						
 		default:
 			BWindow::MessageReceived(message);