#region Disclaimer / License
// Copyright (C) 2009, Kenneth Skovhede
// http://www.hexad.dk, opensource@hexad.dk
// 
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
// 
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
// 
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
// 
#endregion
using System;
using System.Collections;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Windows.Forms;
using OSGeo.MapGuide.MaestroAPI;

namespace OSGeo.MapGuide.Maestro.ResourceEditors.FeatureSourceExtensions
{
	/// <summary>
	/// Summary description for Join.
	/// </summary>
	public class Join : System.Windows.Forms.UserControl
	{
		private System.Windows.Forms.Label label2;
		private System.Windows.Forms.Button BrowseFeatureSource;
		private System.Windows.Forms.Panel panel1;
		private System.Windows.Forms.Label label1;
		private System.Windows.Forms.TextBox JoinName;
		private System.Windows.Forms.Label label3;
		private System.Windows.Forms.ComboBox FeatureClass;
		private System.Windows.Forms.Label label4;
		/// <summary> 
		/// Required designer variable.
		/// </summary>
		private System.ComponentModel.Container components = null;
		public event FeatureSourceExtension.NameChangedDelegate NameChanged;

		private EditorInterface m_editor = null;
		private EditorInterface m_browseEditor = null;

		private AttributeRelateType m_join;
		private System.Windows.Forms.TextBox FeatureSource;
		private System.Windows.Forms.CheckBox ForceOnToOne;
		private System.Windows.Forms.ComboBox RelationType;
		private System.Windows.Forms.PictureBox pictureBox1;
		private System.Windows.Forms.Label label5;
		private System.Windows.Forms.Panel KeyWarning;
		private bool m_isUpdating = false;

		public Join()
		{
			// This call is required by the Windows.Forms Form Designer.
			InitializeComponent();

			RelationType.Items.Clear();
			foreach(string s in Enum.GetNames(typeof(RelateTypeEnum)))
				RelationType.Items.Add(s);
		}

		public void SetItem(AttributeRelateType join, EditorInterface browseEditor)
		{
			m_join = join;
			m_browseEditor = browseEditor;
			UpdateDisplay();
		}

		public void UpdateDisplay()
		{
			try
			{
				m_isUpdating = true;

				JoinName.Text = m_join.Name;
				FeatureSource.Text = m_join.ResourceId;
				UpdateSchemaList();
				FeatureClass.SelectedIndex = FeatureClass.FindString(m_join.AttributeClass);
				RelationType.SelectedIndex = RelationType.FindStringExact(m_join.RelateType.ToString());
				ForceOnToOne.Checked = m_join.ForceOneToOne;
				KeyWarning.Visible = m_join.RelateProperty == null || m_join.RelateProperty.Count == 0;
			}
			finally
			{
				m_isUpdating = false;
			}
		}

		private void UpdateSchemaList()
		{
			try
			{
				FeatureClass.BeginUpdate();
				FeatureClass.Items.Clear();

				if (m_join.ResourceId == null || m_join.ResourceId.Length == 0)
				{
					panel1.Enabled = false;
					return;
				}

				FeatureSource m_feature = m_browseEditor.CurrentConnection.GetFeatureSource(m_join.ResourceId);
				foreach(FeatureSourceDescription.FeatureSourceSchema fsc in m_feature.DescribeSource().Schemas)
					FeatureClass.Items.Add(fsc.Fullname);
				panel1.Enabled = true;
			}
			catch 
			{
				panel1.Enabled = false;
			}
			finally
			{
				try { FeatureClass.EndUpdate(); }
				catch {}
			}
		}

		/// <summary> 
		/// Clean up any resources being used.
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if(components != null)
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		#region Component Designer generated code
		/// <summary> 
		/// Required method for Designer support - do not modify 
		/// the contents of this method with the code editor.
		/// </summary>
		private void InitializeComponent()
		{
            System.ComponentModel.ComponentResourceManager resources = new System.ComponentModel.ComponentResourceManager(typeof(Join));
            this.FeatureSource = new System.Windows.Forms.TextBox();
            this.label2 = new System.Windows.Forms.Label();
            this.BrowseFeatureSource = new System.Windows.Forms.Button();
            this.panel1 = new System.Windows.Forms.Panel();
            this.KeyWarning = new System.Windows.Forms.Panel();
            this.label5 = new System.Windows.Forms.Label();
            this.pictureBox1 = new System.Windows.Forms.PictureBox();
            this.ForceOnToOne = new System.Windows.Forms.CheckBox();
            this.RelationType = new System.Windows.Forms.ComboBox();
            this.label4 = new System.Windows.Forms.Label();
            this.FeatureClass = new System.Windows.Forms.ComboBox();
            this.label1 = new System.Windows.Forms.Label();
            this.JoinName = new System.Windows.Forms.TextBox();
            this.label3 = new System.Windows.Forms.Label();
            this.panel1.SuspendLayout();
            this.KeyWarning.SuspendLayout();
            ((System.ComponentModel.ISupportInitialize)(this.pictureBox1)).BeginInit();
            this.SuspendLayout();
            // 
            // FeatureSource
            // 
            resources.ApplyResources(this.FeatureSource, "FeatureSource");
            this.FeatureSource.Name = "FeatureSource";
            this.FeatureSource.ReadOnly = true;
            this.FeatureSource.TextChanged += new System.EventHandler(this.FeatureSource_TextChanged);
            // 
            // label2
            // 
            resources.ApplyResources(this.label2, "label2");
            this.label2.Name = "label2";
            // 
            // BrowseFeatureSource
            // 
            resources.ApplyResources(this.BrowseFeatureSource, "BrowseFeatureSource");
            this.BrowseFeatureSource.Name = "BrowseFeatureSource";
            this.BrowseFeatureSource.Click += new System.EventHandler(this.BrowseFeatureSource_Click);
            // 
            // panel1
            // 
            resources.ApplyResources(this.panel1, "panel1");
            this.panel1.Controls.Add(this.KeyWarning);
            this.panel1.Controls.Add(this.ForceOnToOne);
            this.panel1.Controls.Add(this.RelationType);
            this.panel1.Controls.Add(this.label4);
            this.panel1.Controls.Add(this.FeatureClass);
            this.panel1.Controls.Add(this.label1);
            this.panel1.Name = "panel1";
            // 
            // KeyWarning
            // 
            resources.ApplyResources(this.KeyWarning, "KeyWarning");
            this.KeyWarning.Controls.Add(this.label5);
            this.KeyWarning.Controls.Add(this.pictureBox1);
            this.KeyWarning.Name = "KeyWarning";
            // 
            // label5
            // 
            resources.ApplyResources(this.label5, "label5");
            this.label5.Name = "label5";
            // 
            // pictureBox1
            // 
            resources.ApplyResources(this.pictureBox1, "pictureBox1");
            this.pictureBox1.Name = "pictureBox1";
            this.pictureBox1.TabStop = false;
            // 
            // ForceOnToOne
            // 
            resources.ApplyResources(this.ForceOnToOne, "ForceOnToOne");
            this.ForceOnToOne.Name = "ForceOnToOne";
            this.ForceOnToOne.CheckedChanged += new System.EventHandler(this.ForceOnToOne_CheckedChanged);
            // 
            // RelationType
            // 
            resources.ApplyResources(this.RelationType, "RelationType");
            this.RelationType.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
            this.RelationType.Name = "RelationType";
            this.RelationType.SelectedIndexChanged += new System.EventHandler(this.RelationType_SelectedIndexChanged);
            // 
            // label4
            // 
            resources.ApplyResources(this.label4, "label4");
            this.label4.Name = "label4";
            // 
            // FeatureClass
            // 
            resources.ApplyResources(this.FeatureClass, "FeatureClass");
            this.FeatureClass.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
            this.FeatureClass.Name = "FeatureClass";
            this.FeatureClass.SelectedIndexChanged += new System.EventHandler(this.FeatureClass_SelectedIndexChanged);
            // 
            // label1
            // 
            resources.ApplyResources(this.label1, "label1");
            this.label1.Name = "label1";
            // 
            // JoinName
            // 
            resources.ApplyResources(this.JoinName, "JoinName");
            this.JoinName.Name = "JoinName";
            this.JoinName.TextChanged += new System.EventHandler(this.JoinName_TextChanged);
            // 
            // label3
            // 
            resources.ApplyResources(this.label3, "label3");
            this.label3.Name = "label3";
            // 
            // Join
            // 
            this.Controls.Add(this.JoinName);
            this.Controls.Add(this.label3);
            this.Controls.Add(this.panel1);
            this.Controls.Add(this.BrowseFeatureSource);
            this.Controls.Add(this.FeatureSource);
            this.Controls.Add(this.label2);
            this.Name = "Join";
            resources.ApplyResources(this, "$this");
            this.panel1.ResumeLayout(false);
            this.KeyWarning.ResumeLayout(false);
            ((System.ComponentModel.ISupportInitialize)(this.pictureBox1)).EndInit();
            this.ResumeLayout(false);
            this.PerformLayout();

		}
		#endregion

		private void JoinName_TextChanged(object sender, System.EventArgs e)
		{
			if (m_join == null || m_isUpdating)
				return;

			m_join.Name = JoinName.Text;
			if (NameChanged != null)
				NameChanged(m_join, m_join.Name);
			if (m_editor != null)
				m_editor.HasChanged();
		}

		private void FeatureSource_TextChanged(object sender, System.EventArgs e)
		{
			if (m_join == null || m_isUpdating)
				return;

			m_join.ResourceId = FeatureSource.Text;
			if (m_editor != null)
				m_editor.HasChanged();
		
		}

		private void RelationType_SelectedIndexChanged(object sender, System.EventArgs e)
		{
			if (m_join == null || m_isUpdating)
				return;

			m_join.RelateType = (RelateTypeEnum)Enum.Parse(typeof(RelateTypeEnum), RelationType.Text);
			m_join.RelateTypeSpecified = true;
			if (m_editor != null)
				m_editor.HasChanged();
		}

		private void ForceOnToOne_CheckedChanged(object sender, System.EventArgs e)
		{
			if (m_join == null || m_isUpdating)
				return;

			m_join.ForceOneToOne = ForceOnToOne.Checked;
			m_join.ForceOneToOneSpecified = true;
			if (m_editor != null)
				m_editor.HasChanged();
		}

		private void BrowseFeatureSource_Click(object sender, System.EventArgs e)
		{
			string item = m_browseEditor.BrowseResource("FeatureSource");
			if (item != null)
			{
				FeatureSource.Text = item;
				UpdateSchemaList();
			}
		}

		private void FeatureClass_SelectedIndexChanged(object sender, System.EventArgs e)
		{
			if (m_join == null || m_isUpdating)
				return;

			m_join.AttributeClass = FeatureClass.Text;
			if (m_editor != null)
				m_editor.HasChanged();
		}
	}
}