using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using CMS.CMSHelper;
using CMS.TreeEngine;
using CMS.DataEngine;
using CMS.SettingsProvider;
using CMS.GlobalHelper;
using CMS.PortalControls;
using CMS.DocumentEngine;
using CMS.Helpers;

/// <summary>
/// Action button to handle events in list of ads in vendor zone
/// </summary>
public partial class ERPApps_ERPWebParts_Documents_AdActionButton : CMSAbstractWebPart
{
    #region "Properties"
    /// <summary>
    /// Text of the link
    /// </summary>
    public string Text;

    /// <summary>
    /// Text displayed after the action is performed
    /// </summary>
    public string AfterText;

    /// <summary>
    /// Type of action
    /// </summary>
    public string Action;

    /// <summary>
    /// Node to be used for the action
    /// </summary>
    public int NodeID;

    /// <summary>
    /// Javascript connected to the generated link
    /// </summary>
    public string OnClick;

    /// <summary>
    /// CSS class assigned to the generated link
    /// </summary>
    public string CssClass;

    TreeNode mNode;
    private TreeNode Node
    {
        get
        {
            if ( mNode == null )
            {
                mNode = TreeHelper.SelectSingleNode(NodeID);
            }

            return mNode;
        }
    }
    #endregion

    #region "On events"
    public override void OnContentLoaded()
    {
        base.OnContentLoaded();

        btnAction.Text = Text;
        btnAction.Click += new EventHandler(btnAction_Click);

        if ( OnClick != null )
        {
            btnAction.OnClientClick = OnClick;
        }

        if ( CssClass != null )
        {
            btnAction.CssClass = CssClass;
        }
    }
    #endregion

    /// <summary>
    /// Custom actions to handle various tasks invoked by the vendor.
    /// </summary>
    /// <param name="sender"></param>
    /// <param name="e"></param>
    void btnAction_Click(object sender, EventArgs e)
    {
        switch ( Action )
        {
            case "delete":
                DeleteAd();
                break;
        }
    }

    #region "Methods"
    /// <summary>
    /// Clears cache for afftected ad and vendor.
    /// </summary>
    private void ClearCache()
    {
        CacheHelper.TouchKey("nodeid|" + Node.NodeID);
        CacheHelper.TouchKey("advendorid|" + ValidationHelper.GetInteger(Node.GetValue("AdVendorID"), 0));
    }

    private void AfterAction()
    {
        if ( AfterText != null )
        {
            btnAction.Text = AfterText;
        }

        panelRefresh.Visible = true;
    }

    /// <summary>
    /// Deletes the ad
    /// </summary>
    private void DeleteAd()
    {
        if ( Node == null )
        {
            return;
        }

        if ( Node.Delete(false, true) )
        {
            ClearCache();
            AfterAction();
        }
    }
    #endregion
}