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//
// ListViewColumnCollection.cs
//
// Author:
// Lluis Sanchez <lluis@xamarin.com>
//
// Copyright (c) 2011 Xamarin Inc
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
using System;
using Xwt.Drawing;
using System.Collections.ObjectModel;
using System.Collections.Generic;
using Xwt.Backends;
namespace Xwt
{
public class ListViewColumnCollection: Collection<ListViewColumn>
{
IColumnContainer parent;
IColumnContainerBackend container;
internal ListViewColumnCollection (IColumnContainer parent)
{
this.parent = parent;
}
internal void Attach (IColumnContainerBackend container)
{
this.container = container;
foreach (var col in this) {
col.Parent = container;
col.Handle = container.AddColumn (col);
}
}
public void Add (string title, params DataField[] fields)
{
ListViewColumn col = new ListViewColumn (title);
foreach (var f in fields)
col.Views.Add (CellView.GetDefaultCellView (f));
Add (col);
}
protected override void InsertItem (int index, ListViewColumn item)
{
if (item.Parent != null)
throw new InvalidOperationException ("Column already belongs to a list or tree");
if (container != null) {
item.Handle = container.AddColumn (item);
item.Parent = container;
}
base.InsertItem (index, item);
parent.NotifyColumnsChanged ();
}
protected override void RemoveItem (int index)
{
if (container != null) {
var col = this[index];
container.RemoveColumn (col, col.Handle);
col.Parent = null;
}
base.RemoveItem (index);
parent.NotifyColumnsChanged ();
}
protected override void SetItem (int index, ListViewColumn item)
{
if (item.Parent != null)
throw new InvalidOperationException ("Column already belongs to a list or tree");
if (container != null) {
var col = this[index];
container.RemoveColumn (col, col.Handle);
col.Parent = null;
item.Handle = container.AddColumn (item);
item.Parent = container;
}
base.SetItem (index, item);
parent.NotifyColumnsChanged ();
}
protected override void ClearItems ()
{
if (container != null) {
foreach (var col in this) {
container.RemoveColumn (col, col.Handle);
col.Parent = null;
}
}
base.ClearItems ();
parent.NotifyColumnsChanged ();
}
}
}
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