source: stable/HeuristicLab.ExtLibs/HeuristicLab.Netron/3.0.2672.12446/Netron.Diagramming.Core-3.0.2672.12446/Diagram elements/Materials/ClickableIconMaterial.cs

using System;
using System.Windows.Forms;
namespace Netron.Diagramming.Core {
  /// <summary>
  /// Clickable icon shape material
  /// </summary>
  public partial class ClickableIconMaterial : IconMaterial, IMouseListener, IHoverListener {
    #region Fields

    // ------------------------------------------------------------------
    /// <summary>
    /// Implementation of IVersion - the current version of 
    /// ClickableIconMaterial.
    /// </summary>
    // ------------------------------------------------------------------
    protected double clickableIconMaterialVersion = 1.0;

    #endregion

    #region Properties

    // ------------------------------------------------------------------
    /// <summary>
    /// Gets the current version.
    /// </summary>
    // ------------------------------------------------------------------
    public override double Version {
      get {
        return clickableIconMaterialVersion;
      }
    }

    #endregion

    #region Constructor
    /// <summary>
    /// Initializes a new instance of the <see cref="T:ClickableIconMaterial"/> class.
    /// </summary>
    /// <param name="resourceLocation">The resource location.</param>
    public ClickableIconMaterial(string resourceLocation)
      : base(resourceLocation) {
      Resizable = false;
    }
    /// <summary>
    /// Initializes a new instance of the <see cref="T:ClickableIconMaterial"/> class.
    /// </summary>
    public ClickableIconMaterial()
      : base() {
      Resizable = false;
    }
    #endregion

    #region Methods
    /// <summary>
    /// Gets the service object of the specified type.
    /// </summary>
    /// <param name="serviceType">An object that specifies the type of service object to get.</param>
    /// <returns>
    /// A service object of type serviceType.-or- null if there is no service object of type serviceType.
    /// </returns>
    public override object GetService(Type serviceType) {
      if (serviceType.Equals(typeof(IMouseListener)))
        return this;
      else if (serviceType.Equals(typeof(IHoverListener)))
        return this;
      else
        return null;
    }

    /// <summary>
    /// Handles the mouse-down event
    /// </summary>
    /// <param name="e">The <see cref="T:MouseEventArgs"/> instance containing the event data.</param>
    public virtual bool MouseDown(MouseEventArgs e) {
      //if(this.Rectangle.Contains(e.Location))
      //    this.Shape.ShapeColor = Color.Yellow;            
      return false;
    }

    /// <summary>
    /// Handles the mouse-move event
    /// </summary>
    /// <param name="e">The <see cref="T:MouseEventArgs"/> instance containing the event data.</param>
    public void MouseMove(MouseEventArgs e) {
      System.Diagnostics.Trace.WriteLine(e.Location.ToString());
    }

    /// <summary>
    /// Handles the mouse-up event
    /// </summary>
    /// <param name="e">The <see cref="T:MouseEventArgs"/> instance containing the event data.</param>
    public virtual void MouseUp(MouseEventArgs e) {

    }
    #endregion



    #region IHoverListener Members
    /// <summary>
    /// Handles the <see cref="OnMouseHover"/> event.
    /// </summary>
    /// <param name="e">The <see cref="T:System.Windows.Forms.MouseEventArgs"/> instance containing the event data.</param>
    public void MouseHover(MouseEventArgs e) {

    }
    private Cursor previousCursor;
    /// <summary>
    /// Handles the OnMouseEnter event.
    /// </summary>
    /// <param name="e">The <see cref="T:System.Windows.Forms.MouseEventArgs"/> instance containing the event data.</param>
    public void MouseEnter(MouseEventArgs e) {
      previousCursor = Cursor.Current;
      this.Shape.Model.RaiseOnCursorChange(Cursors.Hand);
    }

    /// <summary>
    /// Handles the OnMouseLeave event.
    /// </summary>
    /// <param name="e">The <see cref="T:System.Windows.Forms.MouseEventArgs"/> instance containing the event data.</param>
    public void MouseLeave(MouseEventArgs e) {
      this.Shape.Model.RaiseOnCursorChange(previousCursor);
    }

    #endregion
  }
}