/// <summary>
/// Most of the work happens here for generating the hook up script code
/// </summary>
/// <param name="e"></param>
protected override void OnPreRender(EventArgs e)
{
base.OnPreRender(e);
// MS AJAX aware script management
ClientScriptProxy scriptProxy = ClientScriptProxy.Current;
// Register resources
RegisterResources(scriptProxy);
string dateFormat = DateFormat;
if (string.IsNullOrEmpty(dateFormat) || dateFormat == "Auto")
{
// Try to create a data format string from culture settings
// this code will fail if culture can't be mapped on server hence the empty try/catch
try
{
dateFormat = CultureInfo.CurrentCulture.DateTimeFormat.ShortDatePattern;
}
catch { }
}
dateFormat = dateFormat.ToLower().Replace("yyyy", "yy");
// Capture and map the various option parameters
StringBuilder sbOptions = new StringBuilder(512);
sbOptions.Append("{");
string onSelect = OnClientSelect;
if (DisplayMode == DatePickerDisplayModes.Button)
{
sbOptions.Append("showOn: 'button',");
}
else if (DisplayMode == DatePickerDisplayModes.ImageButton)
{
string img = ButtonImage;
if (img == "WebResource")
{
img = scriptProxy.GetWebResourceUrl(this, typeof(ControlResources), ControlResources.CALENDAR_ICON_RESOURCE);
}
else
{
img = ResolveUrl(ButtonImage);
}
sbOptions.Append("showOn: 'button', buttonImageOnly: true, buttonImage: '" + img + "',buttonText: 'Select date',");
}
else if (DisplayMode == DatePickerDisplayModes.Inline)
{
// need to store selection in the page somehow for inline since it's
// not tied to a textbox
scriptProxy.RegisterHiddenField(this, ClientID, Text);
onSelect = ClientID + "OnSelect";
}
if (!string.IsNullOrEmpty(onSelect))
{
sbOptions.Append("onSelect: " + onSelect + ",");
}
if (DisplayMode != DatePickerDisplayModes.Inline)
{
if (!string.IsNullOrEmpty(OnClientBeforeShow))
{
sbOptions.Append("beforeShow: function(y,z) { $('#ui-datepicker-div').maxZIndex(); " +
OnClientBeforeShow + "(y,z); },");
}
else
{
sbOptions.Append("beforeShow: function() { $('#ui-datepicker-div').maxZIndex(); },");
}
}
if (MaxDate.HasValue)
{
sbOptions.Append("maxDate: " + UrlUtils.EncodeJsDate(MaxDate.Value) + ",");
}
if (MinDate.HasValue)
{
sbOptions.Append("minDate: " + UrlUtils.EncodeJsDate(MinDate.Value) + ",");
}
if (ShowButtonPanel)
{
sbOptions.Append("showButtonPanel: true,");
}
sbOptions.Append("dateFormat: '" + dateFormat + "'}");
// Write out initilization code for calendar
StringBuilder sbStartupScript = new StringBuilder(400);
sbStartupScript.AppendLine("$( function() {");
if (DisplayMode != DatePickerDisplayModes.Inline)
{
scriptProxy.RegisterClientScriptBlock(Page,
typeof(ControlResources),
"__attachDatePickerInputKeys",
AttachDatePickerKeysScript, true);
sbStartupScript.AppendFormat("var cal = jQuery('#{0}').datepicker({1}).attachDatepickerInputKeys();\r\n",
ClientID, sbOptions);
}
else
{
sbStartupScript.AppendLine("var cal = jQuery('#" + ClientID + "Div').datepicker(" + sbOptions.ToString() + ")");
if (SelectedDate.HasValue && SelectedDate.Value > new DateTime(1900, 1, 1, 0, 0, 0, DateTimeKind.Utc))
{
CustomJsonSerializer ser = new CustomJsonSerializer();
ser.DateSerializationMode = JsonDateEncodingModes.NewDateExpression;
string jsDate = ser.Serialize(SelectedDate);
sbStartupScript.AppendLine("cal.datepicker('setDate'," + jsDate + ");");
}
else
{
sbStartupScript.AppendLine("cal.datepicker('setDate',new Date());");
}
// Assign value to hidden form var on selection
scriptProxy.RegisterStartupScript(this, typeof(ControlResources), UniqueID + "OnSelect",
"function " + ClientID + "OnSelect(dateStr) {\r\n" +
((!string.IsNullOrEmpty(OnClientSelect)) ? OnClientSelect + "(dateStr);\r\n" : "") +
"jQuery('#" + ClientID + "')[0].value = dateStr;\r\n}\r\n", true);
}
sbStartupScript.AppendLine("} );");
scriptProxy.RegisterStartupScript(Page, typeof(ControlResources), "_cal" + UniqueID,
sbStartupScript.ToString(), true);
}