/// <summary>
/// Construct button from a configuration instance.
/// </summary>
/// <param name="configuration"></param>
public Button(ButtonConfiguration configuration)
{
this.Configuration = configuration;
}
/// <summary>
/// Create JSON string for JavaScript Button.
/// </summary>
/// <param name="jsonTextWriter"></param>
/// <param name="buttonConfiguration"></param>
/// <returns></returns>
private void CreateButtonConfigJson(JsonTextWriter jsonTextWriter, ButtonConfiguration buttonConfiguration)
{
jsonTextWriter.WriteStartObject();
jsonTextWriter.WritePropertyName("DisplayAsImage");
jsonTextWriter.WriteValue(buttonConfiguration.ButtonRenderType != ButtonRenderTypes.Button && buttonConfiguration.ButtonRenderType != ButtonRenderTypes.Link);
jsonTextWriter.WritePropertyName("ImageUrl");
jsonTextWriter.WriteValue(ResolveImageUrl(buttonConfiguration.ButtonRenderType, Kit.ResolveAbsoluteUrl(buttonConfiguration.ImageUrl)));
jsonTextWriter.WritePropertyName("Text");
jsonTextWriter.WriteValue(buttonConfiguration.Text);
jsonTextWriter.WritePropertyName("ToolTip");
jsonTextWriter.WriteValue(buttonConfiguration.ToolTip);
jsonTextWriter.WritePropertyName("Css");
jsonTextWriter.WriteValue(buttonConfiguration.Css);
jsonTextWriter.WritePropertyName("OnClientClick");
jsonTextWriter.WriteValue(WebUtility.EncodeJavaScriptString(buttonConfiguration.OnClientClick));
jsonTextWriter.WritePropertyName("CommandArgument");
jsonTextWriter.WriteValue(buttonConfiguration.CommandArgument);
jsonTextWriter.WritePropertyName("GridSelectionRequired");
jsonTextWriter.WriteValue(buttonConfiguration.GridSelectionRequired.ToString().ToLowerInvariant());
jsonTextWriter.WritePropertyName("GridSelectionRequiredWarningMessage");
jsonTextWriter.WriteValue(buttonConfiguration.GridSelectionRequiredWarningMessage ?? "");
jsonTextWriter.WriteEndObject();
}
/// <summary>
/// Raises the System.Web.UI.Control.PreRender event.
/// </summary>
/// <param name="e">An System.EventArgs object that contains the event data.</param>
protected override void OnPreRender(EventArgs e)
{
base.OnPreRender(e);
if (this.Configuration == null)
{
this.Configuration = new ButtonConfiguration
{
ButtonRenderType = ButtonRenderTypes.Button,
CommandArgument = this.CommandArgument,
OnClientClick = this.OnClientClick,
Text = this.Text
};
}
this.CommandArgument = this.Configuration.CommandArgument ?? this.CommandArgument;
this.OnClientClick = this.Configuration.OnClientClick ?? this.OnClientClick;
switch (this.Configuration.ButtonRenderType)
{
case ButtonRenderTypes.Link:
this.Text = this.Configuration.Text ?? this.Text;
break;
case ButtonRenderTypes.Button:
this.Text = this.Configuration.Text ?? this.Text;
string toolTip = WebUtility.EncodeJavaScriptString(this.ToolTip);
ClientScripts.OnDocumentReady.Add2BeginOfBody(EXT_FORMATTER_TEMPLATE
.Replace("$ControlID$", this.ClientID)
.Replace("$ToolTip$", this.ToolTip)
.Replace("$ControlVariableName$", WebUtility.GenerateVariableName(this.ClientID)), JavaScriptPriority.Low);
break;
default:
this.Text = "";
Image image = new Image();
image.ImageUrl = GetImageUrl(this.Configuration.ButtonRenderType);
if (Kit.IsEmpty(image.ImageUrl))
{
image.ImageUrl = this.Configuration.ImageUrl;
this.Controls.Add(image);
}
break;
}
if (this.Configuration.ButtonRenderType == ButtonRenderTypes.DeleteImage && Kit.IsEmpty(this.OnClientClick))
this.OnClientClick = string.Format("return window.confirm('{0}');", Resources.DPCtrl_DeleteButtonClientConfirmMessage);
}
