internal static void AddCheckBoxAttributes(
WebControl checkBoxElement, Control checkBox, FormValue <bool> checkBoxFormValue, FormValue <CommonCheckBox> radioButtonFormValue, string radioButtonListItemId,
FormAction action, bool autoPostBack, IEnumerable <string> onClickJsMethods)
{
checkBoxElement.Attributes.Add("type", checkBoxFormValue != null ? "checkbox" : "radio");
checkBoxElement.Attributes.Add("name", checkBoxFormValue != null ? checkBox.UniqueID : ((FormValue)radioButtonFormValue).GetPostBackValueKey());
if (radioButtonFormValue != null)
{
checkBoxElement.Attributes.Add("value", radioButtonListItemId ?? checkBox.UniqueID);
}
if (checkBoxFormValue != null
? checkBoxFormValue.GetValue(AppRequestState.Instance.EwfPageRequestState.PostBackValues)
: radioButtonFormValue.GetValue(AppRequestState.Instance.EwfPageRequestState.PostBackValues) == checkBox)
{
checkBoxElement.Attributes.Add("checked", "checked");
}
SubmitButton.EnsureImplicitSubmissionAction(checkBoxElement, action, false);
var isSelectedRadioButton = radioButtonFormValue != null &&
radioButtonFormValue.GetValue(AppRequestState.Instance.EwfPageRequestState.PostBackValues) == checkBox;
var postBackScript = autoPostBack && !isSelectedRadioButton?action.GetJsStatements() : "";
var customScript = StringTools.ConcatenateWithDelimiter("; ", onClickJsMethods.ToArray());
checkBoxElement.AddJavaScriptEventScript(JsWritingMethods.onclick, StringTools.ConcatenateWithDelimiter("; ", postBackScript, customScript));
}
internal void SetUpClickableControl(WebControl clickableControl)
{
if (resource == null && action == null && script == "")
{
return;
}
clickableControl.CssClass = clickableControl.CssClass.ConcatenateWithSpace("ewfClickable");
if (resource != null && EwfPage.Instance.IsAutoDataUpdater)
{
action = HyperlinkBehavior.GetHyperlinkPostBackAction(resource);
resource = null;
}
Func <string> scriptGetter;
if (resource != null)
{
scriptGetter = () => "location.href = '" + EwfPage.Instance.GetClientUrl(resource.GetUrl()) + "'; return false";
}
else if (action != null)
{
action.AddToPageIfNecessary();
scriptGetter = () => action.GetJsStatements() + " return false";
}
else
{
scriptGetter = () => script;
}
// Defer script generation until after all controls have IDs.
EwfPage.Instance.PreRender += delegate { clickableControl.AddJavaScriptEventScript(JsWritingMethods.onclick, scriptGetter()); };
}
string ButtonBehavior.GetJsInitStatements(string id)
{
return("$( '#{0}' ).click( function() {{ {1} }} );".FormatWith(id, Action.GetJsStatements()));
}
internal HyperlinkBehavior(ResourceInfo destination, string target, Func <string, string> actionStatementGetter)
{
this.destination = destination;
Classes = destination?.AlternativeMode is NewContentResourceMode ? ActionComponentCssElementCreator.NewContentClass : ElementClassSet.Empty;
Url = new Lazy <string>(() => destination != null ? destination.GetUrl(true, false, true) : "");
AttributeGetter = forNonHyperlinkElement =>
(destination != null && !forNonHyperlinkElement ? Tuple.Create("href", Url.Value).ToCollection() : Enumerable.Empty <Tuple <string, string> >())
.Concat(
destination != null && target.Any() && !forNonHyperlinkElement
? Tuple.Create("target", target).ToCollection()
: Enumerable.Empty <Tuple <string, string> >())
.Materialize();
var isPostBackHyperlink = destination != null && !(destination.AlternativeMode is DisabledResourceMode) && !target.Any() &&
EwfPage.Instance.IsAutoDataUpdater;
FormAction postBackAction = null;
string getActionInitStatements(string id, bool omitPreventDefaultStatement, string actionStatements) =>
"$( '#{0}' ).click( function( e ) {{ {1} }} );".FormatWith(
id,
(omitPreventDefaultStatement ? "" : "e.preventDefault();").ConcatenateWithSpace(actionStatements));
if (destination?.AlternativeMode is DisabledResourceMode disabledResourceMode)
{
IncludesIdAttribute = forNonHyperlinkElement => true;
EtherealChildren = new ToolTip(
(disabledResourceMode.Message.Any() ? disabledResourceMode.Message : Translation.ThePageYouRequestedIsDisabled).ToComponents(),
out var toolTipInitStatementGetter).ToCollection();
JsInitStatementGetter = (id, forNonHyperlinkElement) =>
(forNonHyperlinkElement ? "" : getActionInitStatements(id, false, "") + " ") + toolTipInitStatementGetter(id);
}
else
{
IncludesIdAttribute = forNonHyperlinkElement =>
isPostBackHyperlink || (destination != null && (actionStatementGetter != null || forNonHyperlinkElement));
EtherealChildren = null;
JsInitStatementGetter = (id, forNonHyperlinkElement) => {
var actionStatements = isPostBackHyperlink ? postBackAction.GetJsStatements() :
destination != null && actionStatementGetter != null?actionStatementGetter(Url.Value) :
destination != null && forNonHyperlinkElement ? !target.Any()
? "window.location.href = '{0}';".FormatWith(Url.Value)
:
target == "_parent"
?
"window.parent.location.href = '{0}';".FormatWith(Url.Value)
: "window.open( '{0}', '{1}' );".FormatWith(Url.Value, target) : "";
return(actionStatements.Any() ? getActionInitStatements(id, forNonHyperlinkElement, actionStatements) : "");
};
}
IsFocusable = destination != null;
if (isPostBackHyperlink)
{
PostBackAdder = () => {
postBackAction = GetHyperlinkPostBackAction(destination);
postBackAction.AddToPageIfNecessary();
}
}
;
else
{
PostBackAdder = () => {}
};
}
/// <summary>
/// Creates a radio button.
/// </summary>
internal Checkbox(
FormValue <ElementId> formValue, ElementId id, RadioButtonSetup setup, IReadOnlyCollection <PhrasingComponent> label, FormAction selectionChangedAction,
Func <string> jsClickStatementGetter, EwfValidation validation, string listItemId = null)
{
PageComponent = getComponent(
formValue,
id,
listItemId,
setup.DisplaySetup,
setup.IsReadOnly,
setup.Classes,
setup.PageModificationValue,
label,
setup.Action,
selectionChangedAction,
() => setup.IsReadOnly
? ""
: (setup.PageModificationValue.Value ? "" : selectionChangedAction?.GetJsStatements() ?? "")
.ConcatenateWithSpace(jsClickStatementGetter()));
Validation = validation;
}
/// <summary>
/// Returns the JavaScript statements that should be executed on keypress to ensure that a form control will trigger the specified action when the enter key
/// is pressed while the control has focus. If you specify the submit-button post-back, this method relies on HTML’s built-in implicit submission behavior,
/// which will simulate a click on the submit button.
/// </summary>
internal static string GetImplicitSubmissionKeyPressStatements(FormAction action, bool forceJsHandling)
{
// EWF does not allow form controls to use HTML’s built-in implicit submission on a page with no submit button. There are two reasons for this. First, the
// behavior of HTML’s implicit submission appears to be somewhat arbitrary when there is no submit button; see
// https://html.spec.whatwg.org/multipage/form-control-infrastructure.html#implicit-submission. Second, we don’t want the implicit submission behavior of
// form controls to unpredictably change if a submit button is added or removed.
return(action is PostBackFormAction postBackAction && postBackAction.PostBack == PageBase.Current.SubmitButtonPostBack && !forceJsHandling
? ""
: "if( e.which == 13 ) {{ {0} }}".FormatWith("e.preventDefault();".ConcatenateWithSpace(action?.GetJsStatements() ?? "")));
}
internal HyperlinkBehavior(ResourceInfo destination, bool disableAuthorizationCheck, string target, Func <string, string> actionStatementGetter)
{
hasDestination = destination != null;
userCanNavigateToDestinationPredicate = () => !hasDestination || disableAuthorizationCheck || destination.UserCanAccessResource;
var destinationAlternativeMode = hasDestination && !disableAuthorizationCheck ? destination.AlternativeMode : null;
Classes = destinationAlternativeMode is NewContentResourceMode ? ActionComponentCssElementCreator.NewContentClass : ElementClassSet.Empty;
Url = new Lazy <string>(() => hasDestination ? destination.GetUrl(!disableAuthorizationCheck, false) : "");
var isPostBackHyperlink = new Lazy <bool>(
() => hasDestination && !(destinationAlternativeMode is DisabledResourceMode) && !target.Any() && PageBase.Current.IsAutoDataUpdater.Value);
AttributeGetter = forNonHyperlinkElement =>
(hasDestination && !forNonHyperlinkElement ? new ElementAttribute("href", Url.Value).ToCollection() : Enumerable.Empty <ElementAttribute>()).Concat(
hasDestination && target.Any() && !forNonHyperlinkElement
? new ElementAttribute("target", target).ToCollection()
: Enumerable.Empty <ElementAttribute>())
.Concat(
// for https://instant.page/
!isPostBackHyperlink.Value && destination is ResourceBase && !(destinationAlternativeMode is DisabledResourceMode) && !forNonHyperlinkElement
? new ElementAttribute("data-instant").ToCollection()
: Enumerable.Empty <ElementAttribute>())
.Materialize();
FormAction postBackAction = null;
string getActionInitStatements(string id, bool omitPreventDefaultStatement, string actionStatements) =>
"$( '#{0}' ).click( function( e ) {{ {1} }} );".FormatWith(
id,
(omitPreventDefaultStatement ? "" : "e.preventDefault();").ConcatenateWithSpace(actionStatements));
if (destinationAlternativeMode is DisabledResourceMode disabledResourceMode)
{
IncludesIdAttribute = forNonHyperlinkElement => true;
EtherealChildren = new ToolTip(
(disabledResourceMode.Message.Any() ? disabledResourceMode.Message : Translation.ThePageYouRequestedIsDisabled).ToComponents(),
out var toolTipInitStatementGetter).ToCollection();
JsInitStatementGetter = (id, forNonHyperlinkElement) =>
(forNonHyperlinkElement ? "" : getActionInitStatements(id, false, "") + " ") + toolTipInitStatementGetter(id);
}
else
{
IncludesIdAttribute = forNonHyperlinkElement =>
isPostBackHyperlink.Value || (hasDestination && (actionStatementGetter != null || forNonHyperlinkElement));
EtherealChildren = null;
JsInitStatementGetter = (id, forNonHyperlinkElement) => {
var actionStatements = isPostBackHyperlink.Value ? postBackAction.GetJsStatements() :
hasDestination && actionStatementGetter != null?actionStatementGetter(Url.Value) :
hasDestination && forNonHyperlinkElement ? !target.Any()
? "window.location.href = '{0}';".FormatWith(Url.Value)
:
target == "_parent"
?
"window.parent.location.href = '{0}';".FormatWith(Url.Value)
: "window.open( '{0}', '{1}' );".FormatWith(Url.Value, target) : "";
return(actionStatements.Any() ? getActionInitStatements(id, forNonHyperlinkElement, actionStatements) : "");
};
}
IsFocusable = hasDestination;
PostBackAdder = () => {
if (!isPostBackHyperlink.Value)
{
return;
}
var postBackId = PostBack.GetCompositeId("hyperlink", destination.GetUrl(), disableAuthorizationCheck.ToString());
postBackAction = new PostBackFormAction(
PageBase.Current.GetPostBack(postBackId) ?? PostBack.CreateFull(
id: postBackId,
actionGetter: () => new PostBackAction(destination, authorizationCheckDisabledPredicate: effectiveDestination => disableAuthorizationCheck)));
postBackAction.AddToPageIfNecessary();
};
}
void ControlTreeDataLoader.LoadData()
{
var isTextarea = rows > 1;
textBox = new WebControl(isTextarea ? HtmlTextWriterTag.Textarea : HtmlTextWriterTag.Input);
PreRender += delegate {
if (!isTextarea)
{
textBox.Attributes.Add("type", masksCharacters ? "password" : "text");
}
textBox.Attributes.Add("name", UniqueID);
if (isTextarea)
{
textBox.Attributes.Add("rows", rows.ToString());
}
if (maxLength.HasValue)
{
textBox.Attributes.Add("maxlength", maxLength.Value.ToString());
}
if (readOnly)
{
textBox.Attributes.Add("readonly", "readonly");
}
if (disableBrowserAutoComplete || autoCompleteService != null)
{
textBox.Attributes.Add("autocomplete", "off");
}
if (suggestSpellCheck.HasValue)
{
textBox.Attributes.Add("spellcheck", suggestSpellCheck.Value.ToString().ToLower());
}
var value = formValue.GetValue(AppRequestState.Instance.EwfPageRequestState.PostBackValues);
var valueOrWatermark = watermarkText.Any() && !value.Any() ? watermarkText : value;
if (isTextarea)
{
textBox.Controls.Add(new Literal {
Text = HttpUtility.HtmlEncode(GetTextareaValue(valueOrWatermark))
});
}
else if (!masksCharacters)
{
textBox.Attributes.Add("value", valueOrWatermark);
}
};
Controls.Add(textBox);
if (watermarkText.Any())
{
textBox.AddJavaScriptEventScript(JsWritingMethods.onfocus, "if( value == '" + watermarkText + "' ) value = ''");
textBox.AddJavaScriptEventScript(JsWritingMethods.onblur, "if( value == '' ) value = '" + watermarkText + "'");
EwfPage.Instance.ClientScript.RegisterOnSubmitStatement(
GetType(),
UniqueID + "watermark",
"$( '#" + textBox.ClientID + "' ).filter( function() { return this.value == '" + watermarkText + "'; } ).val( '' )");
}
if (!isTextarea || autoPostBack || (autoCompleteService != null && autoCompleteOption != AutoCompleteOption.NoPostBack))
{
action.AddToPageIfNecessary();
}
if (!isTextarea)
{
PreRender +=
delegate {
SubmitButton.EnsureImplicitSubmissionAction(
this,
action,
autoPostBack || (autoCompleteService != null && autoCompleteOption == AutoCompleteOption.PostBackOnTextChangeAndItemSelect));
}
}
;
if (autoPostBack || (autoCompleteService != null && autoCompleteOption == AutoCompleteOption.PostBackOnTextChangeAndItemSelect))
{
PreRender += delegate {
// Use setTimeout to prevent keypress and change from *both* triggering post-backs at the same time when Enter is pressed after a text change.
textBox.AddJavaScriptEventScript(JsWritingMethods.onchange, "setTimeout( function() { " + action.GetJsStatements() + " }, 0 )");
}
}
;
if (ToolTip != null || ToolTipControl != null)
{
new ToolTip(ToolTipControl ?? EnterpriseWebFramework.Controls.ToolTip.GetToolTipTextControl(ToolTip), textBox);
}
}
string ControlWithJsInitLogic.GetJsInitStatements()
{
var script = new StringBuilder();
if (watermarkText.Any())
{
var restorationStatement = "$( '#" + textBox.ClientID + "' ).filter( function() { return this.value == ''; } ).val( '" + watermarkText + "' );";
// The first line is for bfcache browsers; the second is for all others. See http://stackoverflow.com/q/1195440/35349.
script.Append("$( window ).on( 'pagehide', function() { " + restorationStatement + " } );");
script.Append(restorationStatement);
}
if (autoCompleteService != null)
{
const int delay = 250; // Default delay is 300 ms.
const int minCharacters = 3;
var autocompleteOptions = new List <Tuple <string, string> >();
autocompleteOptions.Add(Tuple.Create("delay", delay.ToString()));
autocompleteOptions.Add(Tuple.Create("minLength", minCharacters.ToString()));
autocompleteOptions.Add(Tuple.Create("source", "'" + autoCompleteService.GetUrl() + "'"));
if (autoCompleteOption != AutoCompleteOption.NoPostBack)
{
var handler = "function( event, ui ) {{ $( '#{0}' ).val( ui.item.value ); {1} return false; }}".FormatWith(textBox.ClientID, action.GetJsStatements());
autocompleteOptions.Add(Tuple.Create("select", handler));
}
script.Append(
@"$( '#" + textBox.ClientID +
"' ).autocomplete( {{ {0} }} );".FormatWith(
autocompleteOptions.Select(o => "{0}: {1}".FormatWith(o.Item1, o.Item2)).GetCommaDelimitedStringFromCollection()));
}
return(script.ToString());
}
FormValue FormValueControl.FormValue {
get { return(formValue); }
}
internal HyperlinkBehavior(ResourceInfo destination, string target)
{
this.destination = destination;
Classes = destination?.AlternativeMode is NewContentResourceMode ? ActionComponentCssElementCreator.NewContentClass : ElementClassSet.Empty;
Url = destination != null?destination.GetUrl(true, false, true) : "";
var isPostBackHyperlink = destination != null && !(destination.AlternativeMode is DisabledResourceMode) && !target.Any() &&
EwfPage.Instance.IsAutoDataUpdater;
FormAction postBackAction = null;
AttributeGetter =
() =>
(Url.Any() ? Tuple.Create("href", Url).ToCollection() : Enumerable.Empty <Tuple <string, string> >()).Concat(
target.Any() ? Tuple.Create("target", target).ToCollection() : Enumerable.Empty <Tuple <string, string> >())
.Concat(
isPostBackHyperlink
? Tuple.Create(JsWritingMethods.onclick, postBackAction.GetJsStatements() + " return false").ToCollection()
: Enumerable.Empty <Tuple <string, string> >())
.ToImmutableArray();
var disabledResourceMode = destination?.AlternativeMode as DisabledResourceMode;
if (disabledResourceMode != null)
{
IncludeIdAttribute = true;
Func <string, string> toolTipInitStatementGetter;
EtherealChildren =
new ToolTip(
(disabledResourceMode.Message.Any() ? disabledResourceMode.Message : Translation.ThePageYouRequestedIsDisabled).ToComponents(),
out toolTipInitStatementGetter).ToCollection();
JsInitStatementGetter = id => "$( '#{0}' ).click( function( e ) {{ e.preventDefault(); }} );".FormatWith(id) + toolTipInitStatementGetter(id);
}
else
{
EtherealChildren = ImmutableArray <EtherealComponent> .Empty;
JsInitStatementGetter = id => "";
}
if (isPostBackHyperlink)
{
PostBackAdder = () => {
postBackAction = GetHyperlinkPostBackAction(destination);
postBackAction.AddToPageIfNecessary();
}
}
;
else
{
PostBackAdder = () => { }
};
}
/// <summary>
/// Ensures that the specified control will trigger the specified action when the enter key is pressed while the control has focus. If you specify the
/// submit-button post-back, this method relies on HTML's built-in implicit submission behavior, which will simulate a click on the submit button.
/// </summary>
/// <param name="control"></param>
/// <param name="action">Do not pass null.</param>
/// <param name="forceJsHandling"></param>
/// <param name="predicate"></param>
internal static void EnsureImplicitSubmissionAction(WebControl control, FormAction action, bool forceJsHandling, string predicate = "")
{
var postBackAction = action as PostBackFormAction;
// EWF does not allow form controls to use HTML's built-in implicit submission on a page with no submit button. There are two reasons for this. First, the
// behavior of HTML's implicit submission appears to be somewhat arbitrary when there is no submit button; see
// https://html.spec.whatwg.org/multipage/forms.html#implicit-submission. Second, we don't want the implicit submission behavior of form controls to
// unpredictably change if a submit button is added or removed.
if (postBackAction == null || postBackAction.PostBack != EwfPage.Instance.SubmitButtonPostBack || forceJsHandling)
{
control.AddJavaScriptEventScript(
JsWritingMethods.onkeypress,
"if( event.which == 13 " + predicate.PrependDelimiter(" && ") + " ) { " + action.GetJsStatements() + " return false; }");
}
}
void ControlTreeDataLoader.LoadData()
{
FormState.ExecuteWithDataModificationsAndDefaultAction(
dataModifications,
() => {
if (TagKey == HtmlTextWriterTag.Button)
{
Attributes.Add("name", EwfPage.ButtonElementName);
Attributes.Add("value", "v");
Attributes.Add("type", usesSubmitBehavior ? "submit" : "button");
}
FormAction action = postBackAction;
action.AddToPageIfNecessary();
if (ConfirmationWindowContentControl != null)
{
if (usesSubmitBehavior)
{
throw new ApplicationException("PostBackButton cannot be the submit button and also have a confirmation message.");
}
confirmationWindow = new ModalWindow(this, ConfirmationWindowContentControl, title: "Confirmation", postBack: postBackAction.PostBack);
}
else if (!usesSubmitBehavior)
{
PreRender += delegate { this.AddJavaScriptEventScript(JsWritingMethods.onclick, action.GetJsStatements() + " return false"); }
}
;
CssClass = CssClass.ConcatenateWithSpace("ewfClickable");
ActionControlStyle.SetUpControl(this, "");
});
}
