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//
// IListViewSource.cs
//
// Author:
// Lluis Sanchez <lluis@xamarin.com>
// Eric Maupin <ermau@xamarin.com>
//
// Copyright (c) 2011-2012 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;
namespace Xwt
{
public interface IListDataSource
{
/// <summary>
/// Gets the number of rows in the data source.
/// </summary>
int RowCount { get; }
/// <summary>
/// Gets the value at the specified <paramref name="row"/> and <paramref name="column"/>.
/// </summary>
/// <param name="row">The row to retrieve the value from.</param>
/// <param name="column">The column to retrieve the value from.</param>
/// <returns>A reference to the value.</returns>
/// <exception cref="ArgumentOutOfRangeException">
/// <para><paramref name="row"/> is >= <see cref="RowCount"/></para>
/// <para>-- or --</para>
/// <para><paramref name="column"/> is >= the number of columns (<see cref="ColumnTypes"/>).</para>
/// </exception>
/// <seealso cref="SetValue"/>
object GetValue (int row, int column);
/// <summary>
/// Sets the value at the specified <paramref name="row"/> and <paramref name="column"/>.
/// </summary>
/// <param name="row">The row to set the value at.</param>
/// <param name="column">The column to set the value at.</param>
/// <param name="value">The value to set at the given <paramref name="row"/> and <paramref name="column"/>.</param>
/// <exception cref="ArgumentOutOfRangeException">
/// <para><paramref name="row"/> is >= <see cref="RowCount"/></para>
/// <para>-- or --</para>
/// <para><paramref name="column"/> is >= the number of columns (<see cref="ColumnTypes"/>).</para>
/// </exception>
void SetValue (int row, int column, object value);
/// <summary>
/// Gets the column types of this data source.
/// </summary>
Type[] ColumnTypes { get; }
/// <summary>
/// Raised when a row is inserted into the data source.
/// </summary>
event EventHandler<ListRowEventArgs> RowInserted;
/// <summary>
/// Raised when a row is deleted from the data source.
/// </summary>
event EventHandler<ListRowEventArgs> RowDeleted;
/// <summary>
/// Raised when a column value of a row is changed in the data source.
/// </summary>
event EventHandler<ListRowEventArgs> RowChanged;
/// <summary>
/// Raised when rows in the data source is reordered.
/// </summary>
event EventHandler<ListRowOrderEventArgs> RowsReordered;
}
public class ListRowEventArgs: EventArgs
{
public ListRowEventArgs (int row)
{
Row = row;
}
public int Row {
get;
private set;
}
}
public class ListRowOrderEventArgs: ListRowEventArgs
{
public ListRowOrderEventArgs (int parentRow, int[] rows): base (parentRow)
{
ChildrenOrder = rows;
}
public int[] ChildrenOrder {
get;
private set;
}
}
}
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