protected virtual void RaisePostBackEvent(string eventArgument)
{
base.ValidateEvent(this.UniqueID, eventArgument);
string postBackValue = null;
if ((eventArgument != null) && (this._hotSpots != null))
{
int num = int.Parse(eventArgument, CultureInfo.InvariantCulture);
if ((num >= 0) && (num < this._hotSpots.Count))
{
HotSpot spot = this._hotSpots[num];
System.Web.UI.WebControls.HotSpotMode hotSpotMode = spot.HotSpotMode;
switch (hotSpotMode)
{
case System.Web.UI.WebControls.HotSpotMode.NotSet:
hotSpotMode = this.HotSpotMode;
break;
case System.Web.UI.WebControls.HotSpotMode.PostBack:
postBackValue = spot.PostBackValue;
break;
}
}
}
if (postBackValue != null)
{
this.OnClick(new ImageMapEventArgs(postBackValue));
}
}
protected internal override void Render(HtmlTextWriter writer)
{
if ((this.Enabled && !base.IsEnabled) && this.SupportsDisabledAttribute)
{
writer.AddAttribute(HtmlTextWriterAttribute.Disabled, "disabled");
}
this._hasHotSpots = (this._hotSpots != null) && (this._hotSpots.Count > 0);
base.Render(writer);
if (this._hasHotSpots)
{
string str = "ImageMap" + this.ClientID;
writer.AddAttribute(HtmlTextWriterAttribute.Name, str);
writer.AddAttribute(HtmlTextWriterAttribute.Id, str);
writer.RenderBeginTag(HtmlTextWriterTag.Map);
System.Web.UI.WebControls.HotSpotMode hotSpotMode = this.HotSpotMode;
if (hotSpotMode == System.Web.UI.WebControls.HotSpotMode.NotSet)
{
hotSpotMode = System.Web.UI.WebControls.HotSpotMode.Navigate;
}
int num = 0;
string target = this.Target;
foreach (HotSpot spot in this._hotSpots)
{
writer.AddAttribute(HtmlTextWriterAttribute.Shape, spot.MarkupName, false);
writer.AddAttribute(HtmlTextWriterAttribute.Coords, spot.GetCoordinates());
System.Web.UI.WebControls.HotSpotMode mode2 = spot.HotSpotMode;
switch (mode2)
{
case System.Web.UI.WebControls.HotSpotMode.NotSet:
mode2 = hotSpotMode;
break;
case System.Web.UI.WebControls.HotSpotMode.PostBack:
if (this.Page != null)
{
this.Page.VerifyRenderingInServerForm(this);
}
if ((this.RenderingCompatibility < VersionUtil.Framework40) || base.IsEnabled)
{
string argument = num.ToString(CultureInfo.InvariantCulture);
writer.AddAttribute(HtmlTextWriterAttribute.Href, this.Page.ClientScript.GetPostBackClientHyperlink(this, argument, true));
}
goto Label_01BB;
case System.Web.UI.WebControls.HotSpotMode.Navigate:
{
if ((this.RenderingCompatibility < VersionUtil.Framework40) || base.IsEnabled)
{
string str4 = base.ResolveClientUrl(spot.NavigateUrl);
writer.AddAttribute(HtmlTextWriterAttribute.Href, str4);
}
string str5 = spot.Target;
if (str5.Length == 0)
{
str5 = target;
}
if (str5.Length > 0)
{
writer.AddAttribute(HtmlTextWriterAttribute.Target, str5);
}
goto Label_01BB;
}
}
if (mode2 == System.Web.UI.WebControls.HotSpotMode.Inactive)
{
writer.AddAttribute("nohref", "true");
}
Label_01BB:
writer.AddAttribute(HtmlTextWriterAttribute.Title, spot.AlternateText);
writer.AddAttribute(HtmlTextWriterAttribute.Alt, spot.AlternateText);
string accessKey = spot.AccessKey;
if (accessKey.Length > 0)
{
writer.AddAttribute(HtmlTextWriterAttribute.Accesskey, accessKey);
}
int tabIndex = spot.TabIndex;
if (tabIndex != 0)
{
writer.AddAttribute(HtmlTextWriterAttribute.Tabindex, tabIndex.ToString(NumberFormatInfo.InvariantInfo));
}
writer.RenderBeginTag(HtmlTextWriterTag.Area);
writer.RenderEndTag();
num++;
}
writer.RenderEndTag();
}
}
