71 lines
2.1 KiB
C#
71 lines
2.1 KiB
C#
//
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// RichTextMarkupItem.cs - the abstract base class from which all Rich Text Format formatting items derive
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//
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// Author:
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// Michael Becker <alcexhim@gmail.com>
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//
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// Copyright (c) 2011-2020 Mike Becker's Software
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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using System;
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namespace UniversalEditor.ObjectModels.RichTextMarkup
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{
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/// <summary>
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/// The abstract base class from which all Rich Text Format formatting items derive.
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/// </summary>
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public abstract class RichTextMarkupItem : ICloneable
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{
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public class RichTextMarkupItemCollection
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: System.Collections.ObjectModel.Collection<RichTextMarkupItem>
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{
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private RichTextMarkupItemGroup mvarParent = null;
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public RichTextMarkupItemCollection(RichTextMarkupItemGroup parent = null)
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{
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mvarParent = parent;
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}
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protected override void InsertItem(int index, RichTextMarkupItem item)
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{
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base.InsertItem(index, item);
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item.Parent = mvarParent;
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}
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protected override void RemoveItem(int index)
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{
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this[index].Parent = null;
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base.RemoveItem(index);
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}
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protected override void SetItem(int index, RichTextMarkupItem item)
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{
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this[index].Parent = null;
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base.SetItem(index, item);
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item.Parent = mvarParent;
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}
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protected override void ClearItems()
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{
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foreach (RichTextMarkupItem item in this)
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{
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item.Parent = null;
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}
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base.ClearItems();
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}
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}
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public abstract object Clone();
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public RichTextMarkupItemGroup Parent { get; set; }
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}
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}
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