/// <summary>
/// Creates a button.
/// </summary>
/// <param name="style">The style.</param>
/// <param name="displaySetup"></param>
/// <param name="behavior">The behavior. Pass null to use the form default action. If you need to add additional JavaScript action statements to any
/// behavior besides <see cref="CustomButtonBehavior"/>, we recommend using the jQuery document ready event to add an additional click handler to the
/// appropriate button element(s), which you can select using a class if there is no simpler way.</param>
/// <param name="classes">The classes on the button.</param>
public EwfButton(ButtonStyle style, DisplaySetup displaySetup = null, ButtonBehavior behavior = null, ElementClassSet classes = null)
{
behavior = behavior ?? new FormActionBehavior(FormState.Current.DefaultAction);
var elementChildren = style.GetChildren();
var elementEtherealChildren = behavior.GetEtherealChildren();
children = new DisplayableElement(
context => {
behavior.AddPostBack();
return(new DisplayableElementData(
displaySetup,
() => new DisplayableElementLocalData(
"button",
new FocusabilityCondition(true),
isFocused => {
var attributes = new List <Tuple <string, string> > {
Tuple.Create("type", "button")
};
attributes.AddRange(behavior.GetAttributes());
if (isFocused)
{
attributes.Add(Tuple.Create("autofocus", "autofocus"));
}
return new DisplayableElementFocusDependentData(
attributes: attributes,
includeIdAttribute: behavior.IncludesIdAttribute(),
jsInitStatements: behavior.GetJsInitStatements(context.Id) + style.GetJsInitStatements(context.Id));
}),
classes: style.GetClasses().Add(classes ?? ElementClassSet.Empty),
children: elementChildren,
etherealChildren: elementEtherealChildren));
}).ToCollection();
}
/// <summary>
/// Creates a submit button.
/// </summary>
/// <param name="style">The style.</param>
/// <param name="displaySetup"></param>
/// <param name="classes">The classes on the button.</param>
/// <param name="postBack">Pass null to use the post-back corresponding to the first of the current data modifications.</param>
public SubmitButton(ButtonStyle style, DisplaySetup displaySetup = null, ElementClassSet classes = null, PostBack postBack = null)
{
var elementChildren = style.GetChildren();
var postBackAction = new PostBackFormAction(postBack ?? FormState.Current.PostBack);
children = new DisplayableElement(
context => {
FormAction action = postBackAction;
action.AddToPageIfNecessary();
if (EwfPage.Instance.SubmitButtonPostBack != null)
{
throw new ApplicationException("A submit button already exists on the page.");
}
EwfPage.Instance.SubmitButtonPostBack = postBackAction.PostBack;
return(new DisplayableElementData(
displaySetup,
() =>
new DisplayableElementLocalData(
"button",
attributes: new[] { Tuple.Create("name", EwfPage.ButtonElementName), Tuple.Create("value", "v") },
jsInitStatements: style.GetJsInitStatements(context.Id)),
classes: style.GetClasses().Add(classes ?? ElementClassSet.Empty),
children: elementChildren));
}).ToCollection();
}
/// <summary>
/// Creates a button.
/// </summary>
/// <param name="style">The style.</param>
/// <param name="displaySetup"></param>
/// <param name="behavior">The behavior. Pass null to use the form default action.</param>
/// <param name="classes">The classes on the button.</param>
public EwfButton(ButtonStyle style, DisplaySetup displaySetup = null, ButtonBehavior behavior = null, ElementClassSet classes = null)
{
behavior = behavior ?? new FormActionBehavior(FormState.Current.DefaultAction);
var elementChildren = style.GetChildren();
var elementEtherealChildren = behavior.GetEtherealChildren();
children = new DisplayableElement(
context => {
behavior.AddPostBack();
return(new DisplayableElementData(
displaySetup,
() =>
new DisplayableElementLocalData(
"button",
attributes: Tuple.Create("type", "button").ToCollection().Concat(behavior.GetAttributes()),
includeIdAttribute: behavior.IncludesIdAttribute(),
jsInitStatements: behavior.GetJsInitStatements(context.Id) + style.GetJsInitStatements(context.Id)),
classes: style.GetClasses().Add(classes ?? ElementClassSet.Empty),
children: elementChildren,
etherealChildren: elementEtherealChildren));
}).ToCollection();
}
/// <summary>
/// Creates a submit button.
/// </summary>
/// <param name="style">The style.</param>
/// <param name="displaySetup"></param>
/// <param name="classes">The classes on the button.</param>
/// <param name="postBack">Pass null to use the post-back corresponding to the first of the current data modifications.</param>
public SubmitButton(ButtonStyle style, DisplaySetup displaySetup = null, ElementClassSet classes = null, PostBack postBack = null)
{
var elementChildren = style.GetChildren();
var postBackAction = new PostBackFormAction(postBack ?? FormState.Current.PostBack);
children = new DisplayableElement(
context => {
FormAction action = postBackAction;
action.AddToPageIfNecessary();
if (PageBase.Current.SubmitButtonPostBack != null)
{
throw new ApplicationException("A submit button already exists on the page.");
}
PageBase.Current.SubmitButtonPostBack = postBackAction.PostBack;
return(new DisplayableElementData(
displaySetup,
() => new DisplayableElementLocalData(
"button",
new FocusabilityCondition(true),
isFocused => {
var attributes =
new List <ElementAttribute> {
new ElementAttribute("name", PageBase.ButtonElementName), new ElementAttribute("value", "v")
};
if (isFocused)
{
attributes.Add(new ElementAttribute("autofocus"));
}
return new DisplayableElementFocusDependentData(attributes: attributes, jsInitStatements: style.GetJsInitStatements(context.Id));
}),
classes: style.GetClasses().Add(classes ?? ElementClassSet.Empty),
children: elementChildren));
}).ToCollection();
}
