//######################################################################################### //�������� http://www.cnpopsoft.com [��������] �������� //�������� �������� - VB & C#.NET רҵ������Դ�����ͣ� �������� //######################################################################################### /* * Copyright ?2005, Mathew Hall * 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. * * 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 THE COPYRIGHT OWNER OR CONTRIBUTORS 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.Drawing; using XPTable.Models; namespace XPTable.Events { #region Delegates /// <summary> /// Represents the methods that will handle the SelectionChanged event of a TableModel /// </summary> public delegate void SelectionEventHandler(object sender, SelectionEventArgs e); #endregion #region SelectionEventArgs /// <summary> /// Provides data for a TableModel's SelectionChanged event /// </summary> public class SelectionEventArgs : EventArgs { #region Class Data /// <summary> /// The TableModel that Raised the event /// </summary> private TableModel source; /// <summary> /// The previously selected Row indicies /// </summary> private int[] oldSelectedIndicies; /// <summary> /// The newly selected Row indicies /// </summary> private int[] newSelectedIndicies; /// <summary> /// The Rectangle that bounds the previously selected Rows /// </summary> private Rectangle oldSelectionBounds; /// <summary> /// The Rectangle that bounds the newly selected Rows /// </summary> private Rectangle newSelectionBounds; #endregion #region Constructor /// <summary> /// Initializes a new instance of the SelectionEventArgs class with /// the specified TableModel source, old selected indicies and new /// selected indicies /// </summary> /// <param name="source">The TableModel that originated the event</param> /// <param name="oldSelectedIndicies">An array of the previously selected Rows</param> /// <param name="newSelectedIndicies">An array of the newly selected Rows</param> public SelectionEventArgs(TableModel source, int[] oldSelectedIndicies, int[] newSelectedIndicies) : base() { if (source == null) { throw new ArgumentNullException("source", "TableModel cannot be null"); } this.source = source; this.oldSelectedIndicies = oldSelectedIndicies; this.newSelectedIndicies = newSelectedIndicies; this.oldSelectionBounds = Rectangle.Empty; this.newSelectionBounds = Rectangle.Empty; if (oldSelectedIndicies.Length > 0) { this.oldSelectionBounds = source.Selections.CalcSelectionBounds(oldSelectedIndicies[0], oldSelectedIndicies[oldSelectedIndicies.Length-1]); } if (newSelectedIndicies.Length > 0) { this.newSelectionBounds = source.Selections.CalcSelectionBounds(newSelectedIndicies[0], newSelectedIndicies[newSelectedIndicies.Length-1]); } } #endregion #region Properties /// <summary> /// Gets the TableModel that Raised the event /// </summary> public TableModel TableModel { get { return this.source; } } /// <summary> /// Gets the previously selected Row indicies /// </summary> public int[] OldSelectedIndicies { get { return this.oldSelectedIndicies; } } /// <summary> /// Gets the newly selected Row indicies /// </summary> public int[] NewSelectedIndicies { get { return this.newSelectedIndicies; } } /// <summary> /// Gets the Rectangle that bounds the previously selected Rows /// </summary> internal Rectangle OldSelectionBounds { get { return this.oldSelectionBounds; } } /// <summary> /// Gets the Rectangle that bounds the newly selected Rows /// </summary> internal Rectangle NewSelectionBounds { get { return this.newSelectionBounds; } } #endregion } #endregion }