private IHoverListener HoverEntity(MouseEventArgs e, IShapeMaterial material)
{
IHoverListener listener;
listener = material.GetService(typeof(IHoverListener)) as IHoverListener;
if (listener != null) //the caught material does listen
{
if (currentHoveredMaterial == listener) //it's the same as the previous time
{
listener.MouseHover(e);
}
else //we moved from one material to another listening material
{
if (currentHoveredMaterial != null) //tell the previous material we are leaving
{
currentHoveredMaterial.MouseLeave(e);
}
listener.MouseEnter(e); //tell the current one we enter
currentHoveredMaterial = listener;
}
}
else //the caught material does not listen
{
if (currentHoveredMaterial != null)
{
currentHoveredMaterial.MouseLeave(e);
currentHoveredMaterial = null;
}
}
return(listener);
}
/// <summary>
/// <see cref="IHoverListener"/> implementation
/// </summary>
/// <param name="e">The <see cref="T:System.Windows.Forms.MouseEventArgs"/> instance containing the event data.</param>
public void MouseHover(MouseEventArgs e)
{
if (header.Rectangle.Contains(e.Location))
{
HoverEntity(e, header);
return;
}
if (plusminus.Rectangle.Contains(e.Location))
{
HoverEntity(e, plusminus);
return;
}
if (!mCollapsed) //no need to check the rest if the folder is collapsed!
{
IHoverListener listener;
foreach (IShapeMaterial material in this.Entries)
{
if (material.Rectangle.Contains(e.Location)) //we caught an material
{
listener = HoverEntity(e, material);
return; //only one material at a time
}
}
}
if (currentHoveredMaterial != null)
{
currentHoveredMaterial.MouseLeave(e);
currentHoveredMaterial = null;
}
}
public void MouseMove(MouseEventArgs e)
{
if (!IsSuspended && this.Enabled)
{
IHoverListener listener = null;
CollectionBase<IDiagramEntity> paintables= this.Controller.Model.Paintables;
IDiagramEntity entity;
if(paintables.Count==0) return;
//going from top to the bottom of the z-order
for (int k=paintables.Count-1; k>=0; k--)
{
entity = paintables[k];
if(entity.Rectangle.Contains(e.Location)) //we caught an entity
{
//unhover the previous, if any
if(previousHovered != null)
previousHovered.Hovered = false;
entity.Hovered = true; //tell the current one it's being hovered
//fetch the hovering service, if defined
listener = entity.GetService(typeof(IHoverListener)) as IHoverListener;
if(listener != null) //the caught entity does listen
{
if(currentListener == listener) //it's the same as the previous time
listener.MouseHover(e);
else //we moved from one entity to another listening entity
{
if(currentListener!=null) //tell the previous entity we are leaving
currentListener.MouseLeave(e);
listener.MouseEnter(e); //tell the current one we enter
currentListener = listener;
}
}
else //the caught entity does not listen
{
if(currentListener != null)
{
currentListener.MouseLeave(e);
currentListener = null;
}
}
previousHovered = entity;//remember, for the next time
return; //if another entity is listening underneath this entity it will not receive the notification
}
}
if(currentListener != null)
{
currentListener.MouseLeave(e);
currentListener = null;
}
//unhover the previous, if any
if(previousHovered != null)
previousHovered.Hovered = false;
}
}
// ------------------------------------------------------------------
/// <summary>
/// Handles the MouseHover event.
/// </summary>
/// <param name="e">The
/// <see cref="T:System.Windows.Forms.MouseEventArgs"/> instance
/// containing the event data.</param>
// ------------------------------------------------------------------
public override void MouseHover(MouseEventArgs e)
{
base.MouseHover(e);
IHoverListener listener;
foreach (IShapeMaterial material in this.Children)
{
if (material.Rectangle.Contains(e.Location) && material.Visible) //we caught an material and it's visible
{
listener = material.GetService(typeof(IHoverListener)) as IHoverListener;
if (listener != null) //the caught material does listen
{
if (currentHoveredMaterial == listener) //it's the same as the previous time
{
listener.MouseHover(e);
}
else //we moved from one material to another listening material
{
if (currentHoveredMaterial != null) //tell the previous material we are leaving
{
currentHoveredMaterial.MouseLeave(e);
}
listener.MouseEnter(e); //tell the current one we enter
currentHoveredMaterial = listener;
}
}
else //the caught material does not listen
{
if (currentHoveredMaterial != null)
{
currentHoveredMaterial.MouseLeave(e);
currentHoveredMaterial = null;
}
}
return; //only one material at a time
}
}
if (currentHoveredMaterial != null)
{
currentHoveredMaterial.MouseLeave(e);
currentHoveredMaterial = null;
}
}
/// <summary>
/// Handles the MouseHover event.
/// </summary>
/// <param name="e">The <see cref="T:System.Windows.Forms.MouseEventArgs"/> instance containing the event data.</param>
public void MouseHover(System.Windows.Forms.MouseEventArgs e)
{
IHoverListener listener;
foreach(IShapeMaterial material in this.Children)
{
if(material.Rectangle.Contains(e.Location) && material.Visible) //we caught an material and it's visible
{
listener = material.GetService(typeof(IHoverListener)) as IHoverListener;
if(listener != null) //the caught material does listen
{
if(currentHoveredMaterial == listener) //it's the same as the previous time
listener.MouseHover(e);
else //we moved from one material to another listening material
{
if(currentHoveredMaterial != null) //tell the previous material we are leaving
currentHoveredMaterial.MouseLeave(e);
listener.MouseEnter(e); //tell the current one we enter
currentHoveredMaterial = listener;
}
}
else //the caught material does not listen
{
if(currentHoveredMaterial != null)
{
currentHoveredMaterial.MouseLeave(e);
currentHoveredMaterial = null;
}
}
return; //only one material at a time
}
}
if(currentHoveredMaterial != null)
{
currentHoveredMaterial.MouseLeave(e);
currentHoveredMaterial = null;
}
}
/// <summary>
/// <see cref="IHoverListener"/> implementation
/// </summary>
/// <param name="e">The <see cref="T:System.Windows.Forms.MouseEventArgs"/> instance containing the event data.</param>
public virtual void MouseLeave(MouseEventArgs e) {
currentHoveredMaterial = null;
this.Shape.Model.RaiseOnCursorChange(Cursors.Default);//HACK: should be the cursor before entering into another one
}
protected virtual IHoverListener HoverEntity(
MouseEventArgs e,
IShapeMaterial material) {
IHoverListener listener;
listener = material.GetService(typeof(IHoverListener)) as IHoverListener;
if (listener != null) //the caught material does listen
{
if (currentHoveredMaterial == listener) //it's the same as the previous time
listener.MouseHover(e);
else //we moved from one material to another listening material
{
if (currentHoveredMaterial != null) //tell the previous material we are leaving
currentHoveredMaterial.MouseLeave(e);
listener.MouseEnter(e); //tell the current one we enter
currentHoveredMaterial = listener;
}
} else //the caught material does not listen
{
if (currentHoveredMaterial != null) {
currentHoveredMaterial.MouseLeave(e);
currentHoveredMaterial = null;
}
}
return listener;
}
/// <summary>
/// <see cref="IHoverListener"/> implementation
/// </summary>
/// <param name="e">The <see cref="T:System.Windows.Forms.MouseEventArgs"/> instance containing the event data.</param>
public virtual void MouseHover(MouseEventArgs e) {
if (header.Rectangle.Contains(e.Location)) {
HoverEntity(e, header);
return;
}
if (plusminus.Rectangle.Contains(e.Location)) {
HoverEntity(e, plusminus);
return;
}
if (!mCollapsed) //no need to check the rest if the folder is collapsed!
{
IHoverListener listener;
foreach (IShapeMaterial material in this.Entries) {
if (material.Rectangle.Contains(e.Location)) //we caught an material
{
listener = HoverEntity(e, material);
return; //only one material at a time
}
}
}
if (currentHoveredMaterial != null) {
currentHoveredMaterial.MouseLeave(e);
currentHoveredMaterial = null;
}
}
/// <summary>
/// <see cref="IHoverListener"/> implementation
/// </summary>
/// <param name="e">The <see cref="T:System.Windows.Forms.MouseEventArgs"/> instance containing the event data.</param>
public void MouseLeave(MouseEventArgs e)
{
currentHoveredMaterial = null;
this.Shape.Model.RaiseOnCursorChange(Cursors.Default);//HACK: should be the cursor before entering into another one
}
// ------------------------------------------------------------------
/// <summary>
/// Handles the mouse move event
/// </summary>
/// <param name="e">The <see cref=
/// "T:System.Windows.Forms.MouseEventArgs"/> instance containing
/// the event data.</param>
// ------------------------------------------------------------------
public void MouseMove(MouseEventArgs e)
{
if (!IsSuspended && this.Enabled)
{
IHoverListener listener = null;
CollectionBase <IDiagramEntity> paintables =
this.Controller.Model.Paintables;
IDiagramEntity entity;
if (paintables.Count == 0)
{
return;
}
//going from top to the bottom of the z-order
for (int k = paintables.Count - 1; k >= 0; k--)
{
entity = paintables[k];
if (entity.Hit(e.Location)) //we caught an entity
{
//unhover the previous, if any
if (previousHovered != null)
{
previousHovered.Hovered = false;
}
//tell the current one it's being hovered
entity.Hovered = true;
//fetch the hovering service, if defined
listener = entity.GetService(
typeof(IHoverListener)) as IHoverListener;
if (listener != null) //the caught entity does listen
{
if (currentListener == listener) //it's the same as the previous time
{
listener.MouseHover(e);
}
else //we moved from one entity to another listening entity
{
if (currentListener != null) //tell the previous entity we are leaving
{
currentListener.MouseLeave(e);
}
listener.MouseEnter(e); //tell the current one we enter
currentListener = listener;
}
}
else //the caught entity does not listen
{
if (currentListener != null)
{
currentListener.MouseLeave(e);
currentListener = null;
}
}
previousHovered = entity; //remember, for the next time
return; //if another entity is listening underneath this entity it will not receive the notification
}
}
if (currentListener != null)
{
currentListener.MouseLeave(e);
currentListener = null;
}
//unhover the previous, if any
if (previousHovered != null)
{
previousHovered.Hovered = false;
}
}
}
