using System;
using System.Drawing;
using System.Drawing.Design;
namespace Netron.Diagramming.Core {
  /// <summary>
  /// Abstract base class for more specialized instances of the <see cref="ShapeBase"/> class.
  /// </summary>
  abstract class ShapeBaseDescriptor : DiagramEntityBaseDescriptor {

    #region Constants
    #endregion

    #region Fields

    #endregion

    #region Properties

    #endregion

    #region Constructor
    /// <summary>
    /// Initializes a new instance of the <see cref="ShapeBaseDescriptor"/> class.
    /// </summary>
    /// <param name="provider">The provider.</param>
    /// <param name="objectType">Type of the object.</param>
    public ShapeBaseDescriptor(ShapeProvider provider, Type objectType)
      : base(provider, objectType) {
      AddBaseProperties();
    }
    #endregion

    #region Methods
    /// <summary>
    /// Adds the properties of the <see cref="ShapeBase"/>
    /// </summary>
    private void AddBaseProperties() {
      this.AddProperty("Width", typeof(int), constLayout, "The width of the shape.");
      this.AddProperty("Height", typeof(int), constLayout, "The height of the shape.");
      this.AddProperty("Location", typeof(Point), constLayout, "The location of the shape.", Point.Empty, typeof(UITypeEditor), typeof(Netron.Diagramming.Core.PointConverter));
    }


    /// <summary>
    /// Override this method to return the appropriate value corresponding to the property
    /// </summary>
    /// <param name="sender"></param>
    /// <param name="e"></param>
    protected override void GetValue(object sender, PropertyEventArgs e) {
      base.GetValue(sender, e);
      switch (e.Name.ToLower()) {
        case "width":
          e.Value = (e.Component as ShapeBase).Width;
          break;
        case "height":
          e.Value = (e.Component as ShapeBase).Height;
          break;
        case "location":
          e.Value = (e.Component as ShapeBase).Location;
          break;


      }


    }



    /// <summary>
    /// Override this method to set the appropriate value corresponding to the property
    /// </summary>
    /// <param name="sender"></param>
    /// <param name="e"></param>
    protected override void SetValue(object sender, PropertyEventArgs e) {
      base.SetValue(sender, e);

      switch (e.Name.ToLower()) {
        case "width":
          (e.Component as ShapeBase).Width = (int)e.Value;
          break;
        case "height":
          (e.Component as ShapeBase).Height = (int)e.Value;
          break;
        case "location":
          Point p = (Point)e.Value;
          (e.Component as ShapeBase).Location = new Point(p.X, p.Y);
          break;
      }
    }


    #endregion
  }
}