using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Text;
using System.Windows.Forms;
using VEPROMS.CSLA.Library;

namespace Volian.Controls.Library
{
	public partial class DisplayFoldoutMaint : UserControl
	{
		private ItemInfo _MyItemInfo;
		public ItemInfo MyItemInfo
		{
			get { return _MyItemInfo; }
			set
			{
				_MyItemInfo = value;
				_MainStepSection = null;
				FillInControls();
			}
		}
		private SectionInfo _MainStepSection;
		public SectionInfo MainStepSection
		{
			get
			{
				if (_MainStepSection == null)
				{
					foreach (SectionInfo si in MyItemInfo.MyProcedure.Sections)
					{
						SectionConfig sc = (SectionConfig)si.MyConfig;
						if (sc.Section_OriginalSteps == "Y") _MainStepSection = si;
					}
				}
				return _MainStepSection;
			}
		}
		private ItemInfo _firstStep;
		private ItemInfo _lastStep;
		private bool _Initializing;

		public DisplayFoldoutMaint()
		{
			InitializeComponent();
			FillInControls();
		}

		private void FillInControls()
		{
			// for this iteminfo, get the procedure and then the list of sections.  For any section, starting with 
			// Foldout, add it to list:
			if (MyItemInfo != null)
			{
				if (MyItemInfo.MyProcedure.Sections == null || MyItemInfo.MyProcedure.Sections.Count == 0) return;
				_Initializing = true;
				ProcedureInfo pi = MyItemInfo.MyProcedure;
				listBoxFoldouts.Items.Clear();
				lstCBSteps.Items.Clear();
				foreach (SectionInfo si in pi.Sections)
					if (si.DisplayText.ToUpper().StartsWith("FOLDOUT")) listBoxFoldouts.Items.Add(si);
				if (listBoxFoldouts.Items.Count > 0) listBoxFoldouts.SelectedIndex = 0;
				else
				{
					listBoxFoldouts.Items.Add("No Foldouts Exist");
					return;
				}

				// find default step section & use its steps to fill in tree.
				FillInSteps();
				_Initializing = false;
			}
		}
		private void FillInSteps()
		{
			ItemInfo foldOutselected = listBoxFoldouts.SelectedItem as ItemInfo;
			ItemInfo startitm = MainStepSection.Steps != null && MainStepSection.Steps.Count > 0 ? MainStepSection.Steps[0] : null;
			while (startitm != null)
			{
				StepConfig sc = startitm.MyConfig as StepConfig;
				if (sc != null)
				{
					if (sc.Step_FloatingFoldout == foldOutselected.ItemID)
					{
						lstCBSteps.Items.Add(startitm, CheckState.Checked);
					}
					else
						lstCBSteps.Items.Add(startitm, CheckState.Unchecked);
				}
				else
					lstCBSteps.Items.Add(startitm, CheckState.Unchecked);
				startitm = (startitm.NextItem != null && startitm.NextItems.Count > 0 ? startitm.NextItems[0] : null);
			}
		}
		private void listBoxFoldouts_SelectedIndexChanged(object sender, EventArgs e)
		{
			ItemInfo foldOutselected = listBoxFoldouts.SelectedItem as ItemInfo;
			int itemInList = 0;
			for (int i = 0; i < lstCBSteps.Items.Count; i++)
			{
				ItemInfo startitm = lstCBSteps.Items[i] as ItemInfo;
				StepConfig sc = startitm.MyConfig as StepConfig;
				if (sc != null)
					lstCBSteps.SetItemChecked(itemInList, sc.Step_FloatingFoldout == foldOutselected.ItemID);
				else
					lstCBSteps.SetItemChecked(itemInList, false);
				itemInList++;
			}
		}
		private void btnSave_Click(object sender, EventArgs e)
		{
			SectionInfo foldOutselected = listBoxFoldouts.SelectedItem as SectionInfo;
			int itemInList = 0;
			for (int i = 0; i < lstCBSteps.Items.Count; i++)
			{
				bool savit = false;
				ItemInfo startitm = lstCBSteps.Items[i] as ItemInfo;
				StepConfig sc = startitm.MyConfig as StepConfig;
				if (lstCBSteps.GetItemChecked(itemInList))       // associate with foldout (if not already)
				{
					if (sc == null || sc != null && sc.Step_FloatingFoldout != foldOutselected.ItemID)
					{
						sc.Step_FloatingFoldout = foldOutselected.ItemID;
						savit = true;
					}
				}
				else   // remove association if exists
				{
					if (sc != null && sc.Step_FloatingFoldout == foldOutselected.ItemID)
					{
						sc.Step_FloatingFoldout = 0;
						savit = true;
					}
				}
				itemInList++;
				if (savit)
				{
					using (Item itm = startitm.Get())
					{
						itm.MyContent.Config = sc.ToString();
						itm.MyContent.DTS = DateTime.Now;
						itm.MyContent.UserID = Volian.Base.Library.VlnSettings.UserID;
						itm.Save();
					}
				}
			}
		}
	}		
}