smiliesview.cs

本系统是在asp版《在线文件管理器》的基础上设计制作

//------------------------------------------------------------------------------
// <copyright company="Telligent Systems">
//     Copyright (c) Telligent Systems Corporation.  All rights reserved.
// </copyright> 
//------------------------------------------------------------------------------

using System.Web.UI.WebControls;

using CommunityServer.Components;

namespace CommunityServer.Discussions.Controls	
{

    public class SmiliesView : DataList 
    {

        public SmiliesView()
        {

            AlternatingItemTemplate	= Page.LoadTemplate( Globals.ApplicationPath + "/Themes/default/Skins/Admin/View-Smilies.ascx");
            EditItemTemplate		= Page.LoadTemplate( Globals.ApplicationPath + "/Themes/default/Skins/Admin/View-Smilies.ascx");
            HeaderTemplate			= Page.LoadTemplate( Globals.ApplicationPath + "/Themes/default/Skins/Admin/View-Smilies.ascx");
            FooterTemplate			= Page.LoadTemplate( Globals.ApplicationPath + "/Themes/default/Skins/Admin/View-Smilies.ascx");

            DataSource = Smilies.GetSmilies();
        }

        protected override void CreateChildControls() 
        {
            base.CreateChildControls ();

            if( !Page.IsPostBack )
                DataBind();
        }

    }
    /*
        ///	<summary>
        ///	This server	control	is used	to display all the members of the current forum.
        ///	</summary>
        [
        ParseChildren(true)
        ]
        public class SmiliesView : SkinnedForumWebControl {
            ArrayList	smiliesArray	= null;
            public DataList	smileyList;
    //		TextBox		_txtSmileyCode;
    //		TextBox		_txtSmileyUrl;
    //		TextBox		_txtSmileyText;
    //		int		_smileyToEdit;

    //		TextBox	searchForUser;
    //		Button searchButton; 
 
            // Define the default skin for this	control
            private	const string skinFilename =	"Admin/View-Smilies.ascx";
		
            public SmiliesView() {

                // Set the default skin
                if ( SkinFilename == null )
                    SkinFilename = skinFilename;

            }

            /// <summary>
            /// 
            /// </summary>
            public override	void DataBind()	{

                if( smileyList.DataSource != null )
                    return;

                smiliesArray = Smilies.GetSmilies();

                if( smiliesArray == null )
                    return;

                smileyList.DataSource = smiliesArray;
                smileyList.DataBind();
            }

    //		protected void BindList() {
    //			smileyList.DataSource =	smiliesArray;
    //
    //			if( !Page.IsPostBack)
    //				smileyList.DataBind();
    //		}

            override protected void	InitializeSkin(Control skin) {

                // Find	the	user list repeater
                //
                smileyList = (DataList)	skin.FindControl("SmileyList");

    //			smileyList.AlternatingItemTemplate	= new TemplateBuilder()

    //			smileyList.AlternatingItemTemplate	= Page.LoadTemplate( Globals.ApplicationPath + "/Themes/default/Skins/" + this.SkinFilename );
    //			smileyList.EditItemTemplate			= Page.LoadTemplate( Globals.ApplicationPath + "/Themes/default/Skins/" + this.SkinFilename );
    //			smileyList.HeaderTemplate			= Page.LoadTemplate( Globals.ApplicationPath + "/Themes/default/Skins/" + this.SkinFilename );
    //			smileyList.FooterTemplate			= Page.LoadTemplate( Globals.ApplicationPath + "/Themes/default/Skins/" + this.SkinFilename );

    //			smileyList.ItemCreated	 += new DataListItemEventHandler(smileyList_ItemCreated);
    //			smileyList.ItemCommand	 += new DataListCommandEventHandler(smileyList_ItemCommand);
                smileyList.EditCommand	 += new DataListCommandEventHandler(smileyList_EditCommand);
                smileyList.CancelCommand += new DataListCommandEventHandler(smileyList_CancelCommand);
                smileyList.UpdateCommand += new DataListCommandEventHandler(smileyList_UpdateCommand);
                smileyList.DeleteCommand += new DataListCommandEventHandler(smileyList_DeleteCommand);

    //			smileyList.DataSource = smiliesArray;

                if( !Page.IsPostBack)
                    DataBind();
            }

            private void smileyList_CancelCommand(object source, DataListCommandEventArgs e) {
                // Set the EditItemIndex property to -1 to exit editing mode. Be sure
                // to rebind the DataList to the data source to refresh the control.
                smileyList.EditItemIndex = -1;
                DataBind();
            }

            private void smileyList_UpdateCommand(object source, DataListCommandEventArgs e) {
                Smiley updatedSmiley	= this.GetCurrentSmiley( e );

                if( updatedSmiley == null ) {
                    // TODO should we redirect to an error page?
                    return;
                }

                updatedSmiley.SmileyCode	= ((TextBox)e.Item.FindControl("EditSmileyCode")).Text;
                updatedSmiley.SmileyText	= ((TextBox)e.Item.FindControl("EditSmileyText")).Text;
                updatedSmiley.SmileyUrl		= ((TextBox)e.Item.FindControl("EditSmileyUrl")).Text;

                // now we can update the smiley
                Smilies.UpdateSmiley( updatedSmiley );

                // Set the EditItemIndex property to -1 to exit editing mode. 
                // Be sure to rebind the DataList to the data source to refresh
                // the control.
                smileyList.EditItemIndex = -1;
                DataBind();
            }

            private void smileyList_DeleteCommand(object source, DataListCommandEventArgs e) {
                Smiley deleteSmiley = this.GetCurrentSmiley( e );

                if( deleteSmiley == null ) {
                    // TODO should we redirect to an error page?
                    return;
                }

                Smilies.DeleteSmiley( deleteSmiley );

                smiliesArray.Remove( deleteSmiley );

                // Set the EditItemIndex property to -1 to exit editing mode. Be sure
                // to rebind the DataList to the data source to refresh the control.
                smileyList.EditItemIndex = -1;
                DataBind();
            }

            private void smileyList_EditCommand(object source, DataListCommandEventArgs e) {
                smileyList.EditItemIndex = e.Item.ItemIndex;
                DataBind();
            }

            private void smileyList_CreateCommand(object source, DataListCommandEventArgs e) {
			
                TextBox txtSmileyCode	= (TextBox)e.Item.FindControl("CreateSmileyCode");
                TextBox	txtSmileyUrl	= (TextBox)e.Item.FindControl("CreateSmileyUrl");
                TextBox txtSmileyText	= (TextBox)e.Item.FindControl("CreateSmileyText");
			
                if( txtSmileyCode	!= null &&
                    txtSmileyUrl	!= null &&
                    txtSmileyText	!= null ) {

                    if( txtSmileyCode.Text != String.Empty &&
                        txtSmileyUrl.Text	!= String.Empty &&
                        txtSmileyText.Text	!= String.Empty ) {

                        int nSmileyId = Smilies.CreateSmiley( new Smiley(0, txtSmileyCode.Text, txtSmileyUrl.Text, txtSmileyText.Text ));

                        smiliesArray.Add( new Smiley( nSmileyId, txtSmileyCode.Text, txtSmileyUrl.Text, txtSmileyText.Text));

                        DataBind();
                    }
                }
            }

            private void smileyList_ItemCommand(object source, DataListCommandEventArgs e) {
                if( e.CommandName == "create" ) 
                    smileyList_CreateCommand( source, e );
            }

            private void smileyList_ItemCreated(object sender, DataListItemEventArgs e) {
                Button button = (Button)e.Item.FindControl("CreateButton");

    //			if( button != null ) {
    //				_txtSmileyCode	= (TextBox)e.Item.FindControl("CreateSmileyCode");
    //				_txtSmileyUrl	= (TextBox)e.Item.FindControl("CreateSmileyUrl");
    //				_txtSmileyText	= (TextBox)e.Item.FindControl("CreateSmileyText");
    //			}
            }

            private Smiley GetCurrentSmiley( DataListCommandEventArgs e ) {
                // Retrieve the updated values from the selected item.
                TextBox	txtSmileyId		= (TextBox)e.Item.FindControl("EditSmileyId");
                TextBox	txtSmileyCode	= (TextBox)e.Item.FindControl("EditSmileyCode");
                TextBox txtSmileyUrl	= (TextBox)e.Item.FindControl("EditSmileyUrl");
                TextBox	txtSmileyText	= (TextBox)e.Item.FindControl("EditSmileyText");

                if(	txtSmileyId		== null ||
                    txtSmileyCode	== null ||
                    txtSmileyUrl	== null ||
                    txtSmileyText	== null ) {

                    // TODO should we redirect to an error page.
                    return null;
                }

                int		smileyId		= Int32.Parse(txtSmileyId.Text);
                String	smileyCode		= txtSmileyCode.Text;
                String	smileyUrl		= txtSmileyUrl.Text;
                String	smileyText		= txtSmileyText.Text;

                if( (smileyId		<= 0 ) ||
                    (smileyCode		== null || smileyCode	== String.Empty ) ||
                    (smileyUrl		== null || smileyUrl	== String.Empty ) ||
                    (smileyText		== null || smileyText	== String.Empty )) {

                    // TODO : should we redirecto to an error page?
                    return null;
                }

                // ok we've done all our data validation lets update the smiley
                Smiley foundSmiley = null;

                // since the smilies are not stored in a hash, I have to iterate the array to find
                // the smiley being edited
                foreach( Smiley smiley in smiliesArray ) {

                    if( smiley.SmileyId	== smileyId )
                        foundSmiley = smiley;
                }

                return foundSmiley;
            }

            //		private void smileyList_ItemCreated(object sender, RepeaterItemEventArgs e) {
            //
            //			_btnEdit	= (Button) e.Item.FindControl("EditSmiley");
            //			_btnDelete	= (Button) e.Item.FindControl("DeleteSmiley");
            //			_btnCreate	= (Button) e.Item.FindControl("CreateSmiley");
            //
            //			// if we couldn't find any, then we are on the header row, so get out
            //			if( _btnEdit	== null &&
            //				_btnDelete	== null &&
            //				_btnCreate	== null )
            //				return;
            //
            //			// if we have the create control then we are on the footer 
            //			if( _btnCreate != null ) {
            //
            //				_btnCreate.Click += new EventHandler(_btnCreate_Click);
            //
            //				this._txtSmileyCode = (TextBox) e.Item.FindControl("SmileyCode");
            //				this._txtSmileyText	= (TextBox) e.Item.FindControl("SmileyText");
            //				this._txtSmileyUrl	= (TextBox) e.Item.FindControl("SmileyUrl");
            //
            //			} else if(	_btnEdit	!= null &&
            //						_btnDelete	!= null ) {
            //				
            //				_btnEdit.Click		+=new EventHandler(_btnEdit_Click);
            //				_btnDelete.Click	+=new EventHandler(_btnDelete_Click);
            //			}else {
            //
            //			}
            //		}

            //		private void smileyList_ItemCommand(object source, RepeaterCommandEventArgs e) {
            //
            //			HttpContext.Current.Response.Write(source.ToString() + " " + e.CommandArgument + " " + e.CommandName + " " + e.CommandSource + " " + e.Item.ToString() );
            //		}
            //
            //		private void _btnCreate_Click(object sender, EventArgs e) {
            //			if( _txtSmileyCode	!= null &&
            //				_txtSmileyUrl	!= null &&
            //				_txtSmileyText	!= null ) {
            //
            //				if( _txtSmileyCode.Text != String.Empty &&
            //					_txtSmileyUrl.Text	!= String.Empty &&
            //					_txtSmileyText.Text	!= String.Empty ) {
            //
            //					Smilies.CreateSmiley( new Smiley(0, _txtSmileyCode.Text, _txtSmileyUrl.Text, _txtSmileyText.Text ));
            //
            //					DataBind();
            //				}
            //			}
            //
            //			HttpContext.Current.Response.Write("youclicked");
            //		}
            //
            //		private void _btnEdit_Click(object sender, EventArgs e) {
            //			HttpContext.Current.Response.Write("you edited");
            //		}
            //
            //		private void _btnDelete_Click(object sender, EventArgs e) {
            //			HttpContext.Current.Response.Write("you deleted");
            //		}

        }
        */
}