/source/library/Interlace/AdornedText/Blocks/Listing.cs
C# | 90 lines | 49 code | 14 blank | 27 comment | 0 complexity | c9dfa0fe026a71c8afe7e91dd5f4f753 MD5 | raw file
- #region Using Directives and Copyright Notice
-
- // Copyright (c) 2007-2010, Computer Consultancy Pty Ltd
- // All rights reserved.
- //
- // Redistribution and use in source and binary forms, with or without
- // modification, are permitted provided that the following conditions are met:
- // * Redistributions of source code must retain the above copyright
- // notice, this list of conditions and the following disclaimer.
- // * Redistributions in binary form must reproduce the above copyright
- // notice, this list of conditions and the following disclaimer in the
- // documentation and/or other materials provided with the distribution.
- // * Neither the name of the Computer Consultancy Pty Ltd nor the
- // names of its contributors may be used to endorse or promote products
- // derived from this software without specific prior written permission.
- //
- // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- // ARE DISCLAIMED. IN NO EVENT SHALL COMPUTER CONSULTANCY PTY LTD BE LIABLE
- // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- // LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- // OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
- // DAMAGE.
-
- using System;
- using System.Collections.Generic;
- using System.Text;
-
- using Interlace.Collections;
-
- #endregion
-
- namespace Interlace.AdornedText
- {
- public class Listing : Block
- {
- TrackedBindingList<ListingItem> _items;
-
- public Listing()
- {
- _items = new TrackedBindingList<ListingItem>();
- _items.Added += new EventHandler<TrackedBindingListEventArgs<ListingItem>>(_items_Added);
- _items.Removed += new EventHandler<TrackedBindingListEventArgs<ListingItem>>(_items_Removed);
- }
-
- void _items_Added(object sender, TrackedBindingListEventArgs<ListingItem> e)
- {
- // This actually violates the (implicit) invariant that a parent of a node has that node as a child,
- // and not just as a descendant:
- e.Item.Parent = this.Parent;
- }
-
- void _items_Removed(object sender, TrackedBindingListEventArgs<ListingItem> e)
- {
- e.Item.Parent = null;
- }
-
- public override BlockSequence Parent
- {
- get { return base.Parent; }
- internal set
- {
- base.Parent = value;
-
- foreach (ListingItem item in _items)
- {
- item.Parent = value;
- }
- }
- }
-
- public IList<ListingItem> Items
- {
- get { return _items; }
- }
-
- public override void Visit(NodeVisitor visitor)
- {
- visitor.VisitListing(this);
-
- foreach (ListingItem item in _items) item.Visit(visitor);
-
- base.Visit(visitor);
- }
- }
- }