/// <summary>
/// This is overridden to display the editor dialog box and allows
/// the user to edit the image map area coordinates in a more
/// user-friendly fashion.
/// </summary>
/// <param name="context">The descriptor context</param>
/// <param name="provider">The service provider</param>
/// <param name="value">The image area coordinates</param>
/// <returns>The edited image area coordinates</returns>
/// <exception cref="ArgumentException">This is thrown if the area collection is not owned by an image
/// map control.</exception>
public override object EditValue(ITypeDescriptorContext context, IServiceProvider provider, object value)
{
IWindowsFormsEditorService srv = null;
// Get the forms editor service from the provider to display the form
if (provider != null)
{
srv = (IWindowsFormsEditorService)provider.GetService(typeof(IWindowsFormsEditorService));
}
if (srv != null)
{
using (ImageMapAreaEditorDlg dlg = new ImageMapAreaEditorDlg())
{
IImageMap im = ImageAreaCollectionEditor.Areas.ImageMapControl;
if (im == null)
{
throw new ArgumentException("The area collection is not owned by an ImageMap");
}
dlg.Image = ((EWSoftware.ImageMaps.Windows.Forms.ImageMap)im).Image;
dlg.ImageHeight = im.ImageMapHeight;
dlg.ImageWidth = im.ImageMapWidth;
dlg.Coordinates = (string)value;
if (srv.ShowDialog(dlg) == DialogResult.OK)
{
return(dlg.Coordinates);
}
}
}
return(value);
}
/// <summary>
/// Construct a collection from an enumerable list of <see cref="IImageArea"/> objects
/// </summary>
/// <param name="map">The image map control that owns the collection</param>
/// <param name="areas">An enumerable list of <see cref="IImageArea"/> objects to add</param>
public ImageAreaCollection(IImageMap map, IEnumerable <IImageArea> areas) : this(map)
{
this.AddRange(areas);
}
/// <summary>
/// Construct an empty collection associated with the specified <see cref="IImageMap"/> control
/// </summary>
/// <param name="map">The image map control that owns the collection</param>
public ImageAreaCollection(IImageMap map)
{
im = map;
}
/// <summary>
/// Construct collection from an enumerable list of <see cref="IImageArea"/> objects
/// </summary>
/// <param name="map">The image map control that owns the collection</param>
/// <param name="areas">An enumerable list of <see cref="IImageArea"/> objects</param>
public WebImageAreaCollection(IImageMap map, IEnumerable <IImageArea> areas) : base(map, areas)
{
}
/// <summary>
/// Construct an empty collection associated with the specified <see cref="IImageMap"/> control
/// </summary>
/// <param name="map">The image map control that owns the collection</param>
public WebImageAreaCollection(IImageMap map) : base(map)
{
}
/// <summary>
/// Construct collection from an enumerable list of <see cref="IImageArea"/> objects
/// </summary>
/// <param name="map">The image map control that owns the collection</param>
/// <param name="areas">An enumerable list of <see cref="IImageArea"/> objects</param>
public WebImageAreaCollection(IImageMap map, IEnumerable<IImageArea> areas)
: base(map, areas)
{
}
/// <summary>
/// Construct an empty collection associated with the specified <see cref="IImageMap"/> control
/// </summary>
/// <param name="map">The image map control that owns the collection</param>
public WebImageAreaCollection(IImageMap map)
: base(map)
{
}
