www.pudn.com > lphant-v1.00-src.zip > commentsListView.cs

#region Copyright (c)2003 Juanjo < http://lphant.sourceforge.net > 
/* 
* This file is part of eLePhant 
* Copyright (C)2003 Juanjo < j_u_a_n_j_o@users.sourceforge.net / http://lphant.sourceforge.net > 
*  
* This program is free software; you can redistribute it and/or 
* modify it under the terms of the GNU General Public License 
* as published by the Free Software Foundation; either 
* version 2 of the License, or (at your option) any later version. 
*  
* This program is distributed in the hope that it will be useful, 
* but WITHOUT ANY WARRANTY; without even the implied warranty of 
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the 
* GNU General Public License for more details. 
*  
* You should have received a copy of the GNU General Public License 
* along with this program; if not, write to the Free Software 
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 
*/ 
#endregion 
 
using System; 
using System.ComponentModel; 
using System.Collections; 
using System.Diagnostics; 
using System.Threading; 
using System.Windows.Forms; 
using eLePhant.eDonkey; 
namespace eLePhant.Client 
{ 
	/// 
 
	/// Summary description for commentsListView. 
	/// 
 
	public class commentsListView : eLePhantListView 
	{ 
		/// 
 
		/// Required designer variable. 
		/// 
 
		 
		private CkernelGateway krnGateway; 
		private ColumnSorter TheColumnSorter; 
		private string m_strFileHash; 
		private System.ComponentModel.Container components = null; 
 
		public commentsListView(System.ComponentModel.IContainer container) 
		{ 
			/// 
 
			/// Required for Windows.Forms Class Composition Designer support 
			/// 
 
			container.Add(this); 
			InitializeComponent(); 
 
			// 
			// TODO: Add any constructor code after InitializeComponent call 
			// 
		} 
 
		public commentsListView() 
		{ 
			/// 
 
			/// Required for Windows.Forms Class Composition Designer support 
			/// 
 
			InitializeComponent(); 
 
			// 
			// TODO: Add any constructor code after InitializeComponent call 
			// 
		} 
		public void Initialize(CkernelGateway in_krnGateway) 
		{ 
			Name = "listViewComments"; 
			krnGateway=in_krnGateway; 
			Columns.Add("User",100,false); 
			Columns.Add("Rating",60,false); 
			Columns.Add("Comment",220,false); 
			krnGateway.OnRefreshFileComments+=new RefreshEvent(m_InvokeRefreshList); 
			TheColumnSorter=new ColumnSorter(); 
			TheColumnSorter.CurrentColumn=1; 
			TheColumnSorter.sortOrder=-1; 
			this.ClickHeader+=new HeaderEventHandler(myColumnClick); 
			 
			m_DefaultWidths=new int[] {100,60,220}; 
			m_Globalize(); 
			m_LoadWidths(); 
		} 
		 
		private void m_Globalize() 
		{ 
			Columns[0].Text=eLePhantForm.Globalization["LBL_NAME"]; 
			Columns[1].Text=eLePhantForm.Globalization["LBL_RATING"]; 
			Columns[2].Text=eLePhantForm.Globalization["LBL_COMMENT"]; 
		} 
 
		public void Globalize() 
		{ 
			m_Globalize(); 
			this.Refresh(); 
		} 
		 
		private void myColumnClick(object sender, HeaderEventArgs e) 
		{ 
			TheColumnSorter.CurrentColumn = e.ColumnIndex; 
			TheColumnSorter.sortOrder=this.sortOrder; 
			this.ListViewItemSorter = TheColumnSorter;	 
			this.Sort(); 
			this.ListViewItemSorter = null;			 
		} 
 
		private void CommentToItem(InterfaceComment comment,ListViewItem itemComment) 
		{ 
			if (comment==null) return; 
			if (itemComment.SubItems[0].Text!=comment.ClientName) itemComment.SubItems[0].Text=comment.ClientName; 
			if (itemComment.SubItems[1].Text!=comment.Rating) itemComment.SubItems[1].Text=comment.Rating; 
			if (itemComment.SubItems[2].Text!=comment.Comment) itemComment.SubItems[2].Text=comment.Comment; 
			//itemComment.Tag=comment; 
		} 
		private void m_UpdateOrAddComment(InterfaceComment comment) 
		{ 
			bool updated=false; 
			foreach (ListViewItem itemComment in this.Items) 
			{ 
				if (itemComment.SubItems[2].Text==comment.Comment) 
				{ 
					CommentToItem(comment,itemComment); 
					updated=true; 
					break; 
				} 
			} 
			if (!updated) OnNewComment(comment); 
		} 
		private void OnNewComment(InterfaceComment comment) 
		{ 
			ListViewItem itemComment=new ListViewItem(new string[]{"","",""}); 
			 
			itemComment.Tag=comment; 
			CommentToItem(comment,itemComment); 
			lock(this) 
			{ 
				Items.Add(itemComment); 
			} 
		} 
		private void m_InvokeRefreshList(CkernelGateway in_krnGateway) 
		{ 
			this.BeginInvoke(new RefreshEvent(m_RefreshList),new object[] {in_krnGateway}); 
		} 
 
		private void m_RefreshList(CkernelGateway in_krnGateway) 
		{ 
			if (m_strFileHash==null) 
			{	 
				Items.Clear(); 
				return; 
			} 
			InterfaceComment[] comments=krnGateway.GetComments(m_strFileHash); 
			if (comments==null)  
			{	 
				Items.Clear(); 
				return; 
			} 
			foreach (InterfaceComment comment in comments) 
			{ 
				if (comment!=null) m_UpdateOrAddComment(comment); 
			} 
		} 
		public void ReloadList(string in_strFileHash) 
		{ 
			m_strFileHash=in_strFileHash;	 
			 
			InterfaceComment[] comments=krnGateway.GetComments(m_strFileHash);				 
			Items.Clear(); 
			if (comments==null) return; 
			foreach (InterfaceComment comment in comments) 
			{ 
				if (comment!=null) OnNewComment(comment); 
			} 
			ListViewItemSorter = TheColumnSorter;	 
			Sort(); 
			ListViewItemSorter = null;	 
		} 
 
		public class ColumnSorter : IComparer 
		{ 
			public int CurrentColumn = -1; 
			public int sortOrder; 
			public int Compare(object x, object y) 
			{ 
				if ((x==null)||(y==null)) return 0; 
				ListViewItem rowA = (ListViewItem)x; 
				ListViewItem rowB = (ListViewItem)y; 
					 
				return sortOrder*String.Compare(rowA.SubItems[CurrentColumn].Text, 
							rowB.SubItems[CurrentColumn].Text); 
			} 
		} 
 
 
		#region Component Designer generated code 
		/// 
 
		/// Required method for Designer support - do not modify 
		/// the contents of this method with the code editor. 
		/// 
 
		private void InitializeComponent() 
		{ 
			components = new System.ComponentModel.Container(); 
		} 
		#endregion 
	} 
}