RSS Feed Aggregator and Blogging Smart Client

using System;
using System.Collections;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Windows.Forms;

namespace RSSBlogAPI
{
	/// <summary>
	/// Summary description for WebLogViewControl.
	/// </summary>
	public class WebLogViewControl : System.Windows.Forms.UserControl
	{
		#region Designer

		private System.Windows.Forms.Panel bottomPanel;
		private System.Windows.Forms.Splitter splitter1;
		private System.Windows.Forms.Panel topPanel;
		private System.Windows.Forms.PropertyGrid propertyGrid;
		private System.Windows.Forms.ListView postListView;
		private System.Windows.Forms.ColumnHeader titleColumn;
		private System.Windows.Forms.ColumnHeader statusColumn;
		private System.Windows.Forms.ImageList viewImages;
		private System.Windows.Forms.ColumnHeader dateColumn;
		private System.ComponentModel.IContainer components;

		public WebLogViewControl( WebLog log )
		{
			// This call is required by the Windows.Forms Form Designer.
			InitializeComponent();

			// TODO: Add any initialization after the InitializeComponent call

			this._WebLog = log;
			this._WebLog.PropertyChanged += new PropertyChangedEventHandler(_WebLog_PropertyChanged);
		}

		/// <summary> 
		/// Clean up any resources being used.
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if(components != null)
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		#region Component Designer generated code
		/// <summary> 
		/// Required method for Designer support - do not modify 
		/// the contents of this method with the code editor.
		/// </summary>
		private void InitializeComponent()
		{
			this.components = new System.ComponentModel.Container();
			System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(WebLogViewControl));
			this.bottomPanel = new System.Windows.Forms.Panel();
			this.propertyGrid = new System.Windows.Forms.PropertyGrid();
			this.splitter1 = new System.Windows.Forms.Splitter();
			this.topPanel = new System.Windows.Forms.Panel();
			this.postListView = new System.Windows.Forms.ListView();
			this.titleColumn = new System.Windows.Forms.ColumnHeader();
			this.statusColumn = new System.Windows.Forms.ColumnHeader();
			this.dateColumn = new System.Windows.Forms.ColumnHeader();
			this.viewImages = new System.Windows.Forms.ImageList(this.components);
			this.bottomPanel.SuspendLayout();
			this.topPanel.SuspendLayout();
			this.SuspendLayout();
			// 
			// bottomPanel
			// 
			this.bottomPanel.Controls.Add(this.propertyGrid);
			this.bottomPanel.Dock = System.Windows.Forms.DockStyle.Bottom;
			this.bottomPanel.Location = new System.Drawing.Point(0, 168);
			this.bottomPanel.Name = "bottomPanel";
			this.bottomPanel.Size = new System.Drawing.Size(150, 192);
			this.bottomPanel.TabIndex = 0;
			// 
			// propertyGrid
			// 
			this.propertyGrid.CommandsVisibleIfAvailable = true;
			this.propertyGrid.Dock = System.Windows.Forms.DockStyle.Fill;
			this.propertyGrid.LargeButtons = false;
			this.propertyGrid.LineColor = System.Drawing.SystemColors.ScrollBar;
			this.propertyGrid.Location = new System.Drawing.Point(0, 0);
			this.propertyGrid.Name = "propertyGrid";
			this.propertyGrid.Size = new System.Drawing.Size(150, 192);
			this.propertyGrid.TabIndex = 1;
			this.propertyGrid.Text = "propertyGrid1";
			this.propertyGrid.ViewBackColor = System.Drawing.SystemColors.Window;
			this.propertyGrid.ViewForeColor = System.Drawing.SystemColors.WindowText;
			this.propertyGrid.PropertyValueChanged += new System.Windows.Forms.PropertyValueChangedEventHandler(this.propertyGrid_PropertyValueChanged);
			// 
			// splitter1
			// 
			this.splitter1.Dock = System.Windows.Forms.DockStyle.Bottom;
			this.splitter1.Location = new System.Drawing.Point(0, 165);
			this.splitter1.Name = "splitter1";
			this.splitter1.Size = new System.Drawing.Size(150, 3);
			this.splitter1.TabIndex = 1;
			this.splitter1.TabStop = false;
			// 
			// topPanel
			// 
			this.topPanel.BackColor = System.Drawing.Color.White;
			this.topPanel.Controls.Add(this.postListView);
			this.topPanel.Dock = System.Windows.Forms.DockStyle.Fill;
			this.topPanel.Location = new System.Drawing.Point(0, 0);
			this.topPanel.Name = "topPanel";
			this.topPanel.Size = new System.Drawing.Size(150, 165);
			this.topPanel.TabIndex = 2;
			// 
			// postListView
			// 
			this.postListView.BorderStyle = System.Windows.Forms.BorderStyle.None;
			this.postListView.Columns.AddRange(new System.Windows.Forms.ColumnHeader[] {
																						   this.titleColumn,
																						   this.statusColumn,
																						   this.dateColumn});
			this.postListView.Dock = System.Windows.Forms.DockStyle.Fill;
			this.postListView.FullRowSelect = true;
			this.postListView.GridLines = true;
			this.postListView.HeaderStyle = System.Windows.Forms.ColumnHeaderStyle.Nonclickable;
			this.postListView.HideSelection = false;
			this.postListView.Location = new System.Drawing.Point(0, 0);
			this.postListView.MultiSelect = false;
			this.postListView.Name = "postListView";
			this.postListView.Size = new System.Drawing.Size(150, 165);
			this.postListView.SmallImageList = this.viewImages;
			this.postListView.TabIndex = 0;
			this.postListView.View = System.Windows.Forms.View.Details;
			this.postListView.SelectedIndexChanged += new System.EventHandler(this.postListView_SelectedIndexChanged);
			// 
			// titleColumn
			// 
			this.titleColumn.Text = "Title";
			this.titleColumn.Width = 105;
			// 
			// statusColumn
			// 
			this.statusColumn.Text = "Status";
			this.statusColumn.Width = 45;
			// 
			// dateColumn
			// 
			this.dateColumn.Text = "Date";
			// 
			// viewImages
			// 
			this.viewImages.ImageSize = new System.Drawing.Size(16, 16);
			this.viewImages.ImageStream = ((System.Windows.Forms.ImageListStreamer)(resources.GetObject("viewImages.ImageStream")));
			this.viewImages.TransparentColor = System.Drawing.Color.Transparent;
			// 
			// WebLogViewControl
			// 
			this.Controls.Add(this.topPanel);
			this.Controls.Add(this.splitter1);
			this.Controls.Add(this.bottomPanel);
			this.Name = "WebLogViewControl";
			this.Size = new System.Drawing.Size(150, 360);
			this.Load += new System.EventHandler(this.WebLogViewControl_Load);
			this.bottomPanel.ResumeLayout(false);
			this.topPanel.ResumeLayout(false);
			this.ResumeLayout(false);

		}
		#endregion

		#endregion

		#region My Code

		private WebLog _WebLog;

		public event EventHandler OnPostSelect;

		public event EventHandler OnPostDelete;

		public Post SelectedPost
		{
			get
			{
				if( 0 == this.postListView.SelectedItems.Count ) return null;
				else return (this.postListView.SelectedItems[0] as PostListViewItem).Post;				
			}
		}

		public void DeleteSelectedPost()
		{
			if( null != this.SelectedPost )
				this._WebLog.Posts.Remove( this.SelectedPost );

			WebLogProvider.SaveWebLogs();

			this.ReloadPosts( null );

			if( null != OnPostDelete ) OnPostDelete( this, EventArgs.Empty );
		}

		private void WebLogViewControl_Load(object sender, System.EventArgs e)
		{
			this.ShowWebLog();
		}

		private void ShowWebLog()
		{
			this.LoadPosts();
			this.ShowProperties();
		}

		private void LoadPosts()
		{
			this.postListView.Items.Clear();
			foreach( Post post in this._WebLog.Posts )
			{
				this.postListView.Items.Add( new PostListViewItem( post ) );
			}
		}

		public void ReloadPosts(Post selectedPost)
		{
			this.LoadPosts();

			if( null != selectedPost )
			{
				// select the item in the list view which contains the specified post
				this.postListView.SelectedItems.Clear();
				foreach( PostListViewItem item in this.postListView.Items )
				{
					if( item.Post == selectedPost ) item.Selected = true;
				}
			}

			// If no item was selected, at least select the first item if any
			if( 0 == this.postListView.SelectedItems.Count )
				if( 0 != this.postListView.Items.Count )
					this.postListView.Items[0].Selected = true;
		}

		private void ShowProperties()
		{
			this.propertyGrid.SelectedObject = this._WebLog;
		}

		private void _WebLog_PropertyChanged(object sender, PropertyChangedEventArgs e)
		{
			this.ShowWebLog();
		}

		private void propertyGrid_PropertyValueChanged(object s, System.Windows.Forms.PropertyValueChangedEventArgs e)
		{
			WebLogProvider.SaveWebLogs();
		}

		private void postListView_SelectedIndexChanged(object sender, System.EventArgs e)
		{
			if( null != OnPostSelect ) OnPostSelect( this, e );	
		}

		private class PostListViewItem : ListViewItem
		{
			public Post Post;
			public PostListViewItem( Post post ) : base( post.Title )
			{
				this.Post = post;
				if( null != post.ErrorInPost && post.ErrorInPost.Length > 0 )
				{
					base.SubItems.Add( "Error" );
					base.ImageIndex = 3;
				}
				else if( post.IsSend && !post.IsSent )
				{
					base.SubItems.Add( "Queued" );
					base.ImageIndex = 1;
				}
				else if( post.IsSent && !post.IsSend )
				{
					base.ForeColor = Color.Gray;
					base.SubItems.Add( "Sent" );
					base.ImageIndex = 2;
				}
				else
				{
					base.SubItems.Add( "Draft" );
					base.ImageIndex = 0;
				}

				base.SubItems.Add( post.Date.ToString() );

			}
		}

		#endregion
	}
}