Site Property Management (SharePoint 2010)

//
//	EditSiteProperty.cs - © Questech Systems
//	This notice must stay intact for use. Not for resale.
//
using System;
using Microsoft.SharePoint;
using Microsoft.SharePoint.ApplicationPages;
using Microsoft.SharePoint.Utilities;
using Microsoft.SharePoint.WebControls;

namespace QuestechSystems.SharePoint.ApplicationPages
{
    public partial class EditSiteProperty : WebAdminPageBase
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!this.Page.IsPostBack)
            {
                string propertyName = base.Request.QueryString[Utility.QueryKeyParamProperty];
                if (this.Web.GetProperty(propertyName) == null)
                {
                    throw new SPException(AppGlobalResources.QuestechSiteProperty.MsgSitePropertyNotFound);
                }

                if (!(this.Web.GetProperty(propertyName) is String))
                {
                    OKButton.Enabled = false;
                }

                string propertyValue = this.Web.GetProperty(propertyName).ToString();
                this.NameInputFormTextBox.Text = propertyName;
                this.ValueInputFormTextBox.Text = propertyValue;
            }
        }

        protected void OKButton_Click(object sender, EventArgs e)
        {
            if (!this.Page.IsValid)
            {
                return;
            }

            string originalProperty = base.Request.QueryString[Utility.QueryKeyParamProperty];
            string propertyName = this.NameInputFormTextBox.Text.Trim();
            string propertyValue = this.ValueInputFormTextBox.Text.Trim();

            if (String.IsNullOrEmpty(propertyName))
            {
                NameErrorLabel.Text = AppGlobalResources.QuestechSiteProperty.MsgSitePropertyNameEmpty;
                return;
            }

            try
            {
                if (this.Web.GetProperty(propertyName) == null)
                {
                    this.Web.DeleteProperty(originalProperty);
                    this.Web.AddProperty(propertyName, propertyValue);
                    this.Web.Update();
                }
                else
                {
                    if (propertyName == originalProperty)
                    {
                        this.Web.SetProperty(propertyName, propertyValue);
                        this.Web.Update();
                    }
                    else
                    {
                        NameErrorLabel.Text = AppGlobalResources.QuestechSiteProperty.MsgSitePropertyExists;
                        return;
                    }
                }
            }
            catch (Exception ex)
            {
                throw new SPException(ex.Message);
            }

            if (SPContext.Current.IsPopUI)
            {
                Utility.ModalDialogClose(AppGlobalResources.QuestechSiteProperty.MsgSitePropertyUpdated);
            }
            else
            {
                SPUtility.Redirect(Utility.PageNameManageSiteProperties, SPRedirectFlags.UseSource, this.Context);
            }            
        }

        protected void DeleteButton_Click(object sender, EventArgs e)
        {
            if (!this.Page.IsValid)
            {
                return;
            }

            string propertyName = this.NameInputFormTextBox.Text;
            if (this.Web.GetProperty(propertyName) != null)
            {
                try
                {
                    this.Web.DeleteProperty(propertyName);
                    this.Web.Update();
                }
                catch (Exception ex)
                {
                    throw new SPException(ex.Message);
                }
            }

            if (SPContext.Current.IsPopUI)
            {
                Utility.ModalDialogClose(AppGlobalResources.QuestechSiteProperty.MsgSitePropertyDeleted);
            }
            else
            {
                SPUtility.Redirect(Utility.PageNameManageSiteProperties, SPRedirectFlags.UseSource, this.Context);
            }      
        }

        protected override bool RequireSiteAdministrator
        {
            get
            {
                return true;
            }
        }
    }
}