using System;
using System.Data;

using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Text;
using System.Collections.Generic;

public partial class Admin_Controls_Items : WebBlockUserControl
{
    public int SelectorID
    {
        get { return (ViewState["SelectorID"] == null ? 0 : (int)ViewState["SelectorID"]); }
        set
        {
            ViewState["SelectorID"] = value;
            EditItem1.SelectorID = value;
        }
    }

    protected override void OnInit(EventArgs e)
    {
        EditItem1.ItemAdded += new EventHandler(EditItem1_ItemAdded);
        EditItem1.ItemUpdated += new EventHandler(EditItem1_ItemUpdated);
        EditItem1.Cancelled += new EventHandler(EditItem1_Cancelled);
 	    base.OnInit(e);
    }

    #region Member Items Functions
    private void BindSelectorItems()
    {
        DataTable dt = Database.Items_GetBySelectorID(SelectorID);
        gvItems.DataSource = dt;
        gvItems.DataBind();
    }

    protected void gvItems_RowDataBound(object sender, GridViewRowEventArgs e)
    {
        if (e.Row.RowType == DataControlRowType.DataRow)
        {
            DataRowView drv = (DataRowView)e.Row.DataItem;

            Literal litPrice = (Literal)e.Row.Cells[3].FindControl("litPrice");

            // set the price
            if (drv["VolumePricingTableID"] != DBNull.Value)
                litPrice.Text = "Volume";
            else
                litPrice.Text = ((decimal)drv["Price"]).ToString("c");

        }
    }
    #endregion

    protected void btnRemoveSelected_Click(object sender, EventArgs e)
    {
        foreach (GridViewRow gvr in gvItems.Rows)
        {
            if (gvr.RowType == DataControlRowType.DataRow)
            {
                CheckBox cb = (CheckBox)gvr.Cells[0].Controls[1];
                if (cb.Checked)
                {
                    int ItemID = (int)gvItems.DataKeys[gvr.RowIndex].Value;
                    Database.Items_Delete(ItemID);
                }
            }
        }

        BindSelectorItems();
    }

    #region Page-Wide functions
    public void BindData()
    {
        if (mvContent.ActiveViewIndex == 0)
            BindSelectorItems();
        else if (mvContent.ActiveViewIndex == 1)
        {
            // bind page two
            EditItem1.ItemID = 0;
            EditItem1.BindData();
        }
        else if (mvContent.ActiveViewIndex == 2)
        {
            BindReuse();
        }
    }

    private void BindReuse()
    {
        DataTable dt = Database.Categories_GetAll();
        ddlCategory.DataSource = dt;
        ddlCategory.DataBind();

        ddlCategory.Items.Insert(0, new ListItem("Select", ""));
    }

    protected void Menu1_MenuItemClick(object sender, MenuEventArgs e)
    {
        mvContent.ActiveViewIndex = Int32.Parse(e.Item.Value);
        BindData();
    }

    public void ShowAddItems()
    {
        Menu1.Items[1].Selected = true;
        mvContent.ActiveViewIndex = 1;
        EditItem1.BindData();
    }

    public void ShowEditItem(int ItemID)
    {
        Menu1.Items[1].Selected = true;
        mvContent.ActiveViewIndex = 1;

        EditItem1.ItemID = ItemID;
        EditItem1.BindData();
    }
    #endregion


    protected void EditItem1_Cancelled(object sender, EventArgs e)
    {
        Menu1.Items[0].Selected = true;
        mvContent.ActiveViewIndex = 0;
    }

    protected void EditItem1_ItemUpdated(object sender, EventArgs e)
    {
        BindSelectorItems();

        Menu1.Items[0].Selected = true;
        mvContent.ActiveViewIndex = 0;
    }

    protected void EditItem1_ItemAdded(object sender, EventArgs e)
    {
        BindSelectorItems();
        Menu1.Items[0].Selected = true;
        mvContent.ActiveViewIndex = 0;
    }

    protected void btnCopy_Click(object sender, EventArgs e)
    {
        int ItemID = Int32.Parse(ddlItem.SelectedValue);
        DataRow dr = Database.Items_Get(ItemID);
        ShowAddItems();
        EditItem1.PrePopulate(dr);
    }

    protected void ddlCategory_SelectedIndexChanged(object sender, EventArgs e)
    {
        if (ddlCategory.SelectedValue != "")
        {
            DataTable dt = Database.Selectors_GetByCategoryID(Int32.Parse(ddlCategory.SelectedValue));
            ddlSelector.DataSource = dt;
            ddlSelector.DataBind();

            ddlSelector.Items.Insert(0, new ListItem("Select", ""));
            ddlSelector.Enabled = true;
        }
    }

    protected void ddlSelector_SelectedIndexChanged(object sender, EventArgs e)
    {
        if (ddlSelector.SelectedValue != "")
        {
            DataTable dt = Database.Items_GetBySelectorID(Int32.Parse(ddlSelector.SelectedValue));
            ddlItem.DataSource = dt;
            ddlItem.DataBind();

            ddlItem.Items.Insert(0, new ListItem("Select", ""));
            ddlItem.Enabled = true;
        }
    }
}