public void RegisterAjaxEvent(AjaxEventType eventType, Array controlIdsToSend)
{
if (events == null)
{
events = new Hashtable();
}
events[eventType] = controlIdsToSend;
}
/// <summary>
/// Adds an ajax event attribute to a given attribute list
/// </summary>
/// <param name="eventType">Type of event to add</param>
/// <param name="clientId">ClientId of the widget</param>
/// <param name="uniqueId">UniqueId of the widget</param>
/// <param name="viewStateBuckets">Viewstate buckets to pass in the call</param>
/// <param name="events">List of events</param>
/// <param name="attributes">Attribute list of the widget</param>
public static void AddAjaxEventAttribute(Control control, AjaxEventType eventType, string clientId, string uniqueId, string viewStateBuckets, System.Web.UI.AttributeCollection attributes)
{
Hashtable events = ((IAjaxHandler)control).GetRegisteredAjaxEvents();
if ((events != null && events.Contains(eventType)))
{
string eventName = "";
if (eventType == AjaxEventType.onAjaxClick)
{
eventName = "Click";
}
else if (eventType == AjaxEventType.onAjaxChange)
{
eventName = "Change";
}
string osAjaxCallScript;
string osAjaxCallScriptDelayed;
if (eventType == AjaxEventType.onAjaxChange)
{
if (control is TextBox)
{
// delayed on change...
osAjaxCallScriptDelayed = JavaScriptManager.osAjaxCallScript(clientId, uniqueId, viewStateBuckets, eventName, true);
SetJsHandlerAttribute("onoschange", osAjaxCallScriptDelayed, attributes);
// on change (lost focus) sets the value immediately
osAjaxCallScript = JavaScriptManager.osAjaxCallScript(clientId, uniqueId, viewStateBuckets, eventName, false);
SetJsHandlerAttribute("onchange", osAjaxCallScript, attributes);
}
else
{
string jsHandlerAttributeName;
if (control is CheckBox || control is RadioButton)
{
jsHandlerAttributeName = "onclick";
}
else
{
jsHandlerAttributeName = "onchange";
}
osAjaxCallScript = JavaScriptManager.osAjaxCallScript(clientId, uniqueId, viewStateBuckets, eventName);
SetJsHandlerAttribute(jsHandlerAttributeName, osAjaxCallScript, attributes);
if (control is DropDownList)
{
// force onchange for dropdowns after any key is pressed
SetJsHandlerAttribute("onkeyup", "this.onchange();", attributes);
}
}
}
else if (eventType == AjaxEventType.onAjaxClick)
{
// get the code for the immediate call
osAjaxCallScript = JavaScriptManager.osAjaxCallScript(clientId, uniqueId, viewStateBuckets, eventName) + " return false;";
SetJsHandlerAttribute("onclick", osAjaxCallScript, attributes);
}
}
}
