using System;
using System.Collections.Generic;
using Composite.C1Console.Forms;
using Composite.Plugins.Forms.WebChannel.UiControlFactories;

public partial class Controls_MyControl : UserControlBasedUiControl, IValidatingUiControl
{

	#region Dummy Data - this could easily be dynamically loaded from data layer
	public Dictionary<Guid, string> PersonSource = new Dictionary<Guid, string>() 
	{ 
		{Guid.Empty, "select a person ..."},
		{Guid.Parse("9bdb7b6d-4e4f-41c9-bcc3-95b20bd8d791"), "Person 1"},
		{Guid.Parse("9bdb7b6d-4e4f-41c9-bcc3-95b20bd8d792"), "Person 2"},
		{Guid.Parse("9bdb7b6d-4e4f-41c9-bcc3-95b20bd8d793"), "Person 3"},
		{Guid.Parse("9bdb7b6d-4e4f-41c9-bcc3-95b20bd8d794"), "Person 4"},
		{Guid.Parse("9bdb7b6d-4e4f-41c9-bcc3-95b20bd8d795"), "Person 5"}
	};

	public Dictionary<Guid, string> OrganizationSource = new Dictionary<Guid, string>() 
	{ 
		{Guid.Empty, "select an organization ..."},
		{Guid.Parse("4bdb7b6d-4e4f-41c9-bcc3-95b20bd8d791"), "Organization 1"},
		{Guid.Parse("4bdb7b6d-4e4f-41c9-bcc3-95b20bd8d792"), "Organization 2"},
		{Guid.Parse("4bdb7b6d-4e4f-41c9-bcc3-95b20bd8d793"), "Organization 3"},
		{Guid.Parse("4bdb7b6d-4e4f-41c9-bcc3-95b20bd8d794"), "Organization 4"},
		{Guid.Parse("4bdb7b6d-4e4f-41c9-bcc3-95b20bd8d795"), "Organization 5"}
	};
	#endregion

	#region Form Properties
	[FormsProperty()]
	[BindableProperty()]
	public Nullable<Guid> PersonGuid
	{
		get;
		set;
	}

	[FormsProperty()]
	[BindableProperty()]
	public Nullable<Guid> OrganizationGuid
	{
		get;
		set;
	}
	#endregion

	protected void Page_Load(object sender, EventArgs e)
	{
        // attach an event to the typeSelector
		typeSelector.SelectedIndexChanged += new EventHandler(typeSelector_SelectedIndexChanged);
	}

	#region UserControlBasedUiControl
    // this is called when the control is initialized - we should grab values from our 'BindableProperty' fields above and show it on our ASP.NET controls.
	public override void BindStateToControlProperties()
	{
		Guid selectedValue = Guid.Parse(itemSelector.SelectedValue);

		if (selectedValue != Guid.Empty)
		{
			switch (typeSelector.SelectedValue)
			{
				case "Person": this.PersonGuid = selectedValue; this.OrganizationGuid = null; break;
				case "Organization": this.OrganizationGuid = selectedValue; this.PersonGuid = null; break;
			}
		}
		else
		{
			this.PersonGuid = this.OrganizationGuid = null;
		}
	}

	public override void InitializeViewState()
	{
		typeSelector.SelectedValue = this.PersonGuid != null ? "Person" : "Organization";
		FillDropDown();
		itemSelector.SelectedValue = this.PersonGuid != null ? this.PersonGuid.ToString() : this.OrganizationGuid.ToString();

	}
	#endregion

	#region IValidatingUiControl
    // If any selections are invalid, we should return false here. We get called for each field we bind to.
	public bool IsValid
	{
		get {
            return (this.PersonGuid != null || this.OrganizationGuid != null); 
        }
	}

	public string ValidationError
	{
		get
		{
			return "Missing value.\n";
		}
	}
	#endregion

	#region Private methods
	void typeSelector_SelectedIndexChanged(object sender, EventArgs e)
	{
		FillDropDown();

	}

	private void FillDropDown()
	{
		switch (typeSelector.SelectedValue)
		{
			case "Person": itemSelector.DataSource = PersonSource; itemSelector.DataBind(); break;
			case "Organization": itemSelector.DataSource = OrganizationSource; itemSelector.DataBind(); break;
		}
	}
	#endregion

}