WebControl ActionControlStyle.SetUpControl(WebControl control, string defaultText)
{
control.CssClass =
control.CssClass.ConcatenateWithSpace(
ActionComponentCssElementCreator.AllStylesClass.ClassName + " " + ActionComponentCssElementCreator.ImageStyleClass.ClassName);
if (rolloverImageInfo != null && rolloverImageInfo.GetUrl() != imageInfo.GetUrl())
{
control.AddJavaScriptEventScript(
JavaScriptWriting.JsWritingMethods.onmouseover,
"$( this ).children().attr( 'src', '{0}' )".FormatWith(rolloverImageInfo.GetUrl()));
control.AddJavaScriptEventScript(
JavaScriptWriting.JsWritingMethods.onmouseout,
"$( this ).children().attr( 'src', '{0}' )".FormatWith(imageInfo.GetUrl()));
}
control.AddControlsReturnThis(
new EwfImage(
new ImageSetup(
AlternateText,
sizesToAvailableWidth: SizesToAvailableWidth,
classes: SizesToAvailableWidth ? new ElementClass("ewfBlockContainer") : ElementClassSet.Empty),
imageInfo).ToCollection().GetControls());
return(null);
}
internal static void AddCheckBoxAttributes(WebControl checkBoxElement, Control checkBox, FormValue <bool> checkBoxFormValue,
FormValue <CommonCheckBox> radioButtonFormValue, string radioButtonListItemId, PostBack postBack, 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");
}
PostBackButton.EnsureImplicitSubmission(checkBoxElement, postBack);
var isSelectedRadioButton = radioButtonFormValue != null &&
radioButtonFormValue.GetValue(AppRequestState.Instance.EwfPageRequestState.PostBackValues) == checkBox;
var postBackScript = autoPostBack && !isSelectedRadioButton
? PostBackButton.GetPostBackScript(postBack ?? EwfPage.Instance.DataUpdatePostBack, includeReturnFalse : false)
: "";
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()); };
}
internal void SetUpClickableControl(WebControl clickableControl)
{
if (resource == null && postBack == null && script == "")
{
return;
}
clickableControl.CssClass = clickableControl.CssClass.ConcatenateWithSpace("ewfClickable");
if (resource != null && EwfPage.Instance.IsAutoDataUpdater)
{
postBack = EwfLink.GetLinkPostBack(resource);
resource = null;
}
Func <string> scriptGetter;
if (resource != null)
{
scriptGetter = () => "location.href = '" + EwfPage.Instance.GetClientUrl(resource.GetUrl()) + "'; return false";
}
else if (postBack != null)
{
EwfPage.Instance.AddPostBack(postBack);
scriptGetter = () => PostBackButton.GetPostBackScript(postBack);
}
else
{
scriptGetter = () => script;
}
// Defer script generation until after all controls have IDs.
EwfPage.Instance.PreRender += delegate { clickableControl.AddJavaScriptEventScript(JsWritingMethods.onclick, scriptGetter()); };
}
/// <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; }");
}
}
/// <summary>
/// Ensures that the specified control will submit the form when the enter key is pressed while the control has focus. Specify null for the post-back to
/// rely on HTML's built-in implicit submission behavior, which will simulate a click on the submit button.
/// </summary>
internal static void EnsureImplicitSubmission(WebControl control, PostBack postBack, string predicate = "")
{
if (postBack != null)
{
control.AddJavaScriptEventScript(
JsWritingMethods.onkeypress,
"if( event.which == 13 " + predicate.PrependDelimiter(" && ") + " ) { " + GetPostBackScript(postBack) + "; }");
return;
}
if (EwfPage.Instance.SubmitButtonPostBack != null)
{
return;
}
var sentences = new[]
{
"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 http://www.whatwg.org/specs/web-apps/current-work/multipage/association-of-controls-and-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."
};
throw new ApplicationException(StringTools.ConcatenateWithDelimiter(" ", sentences));
}
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); }
}
/// <summary>
/// Allows for adding custom JavaScript event scripts to the text box.
/// </summary>
public void AddJavaScriptEventScript(string jsEventConstant, string script)
{
PreRender += delegate { textBox.AddJavaScriptEventScript(jsEventConstant, script); };
}
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)
{
AddTextareaValue(textBox, 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( '' )");
}
var jsNeededForImplicitSubmission = postBack != null || autoPostBack ||
(autoCompleteService != null && autoCompleteOption == AutoCompleteOption.PostBackOnTextChangeAndItemSelect);
if (postBack == null && (autoPostBack || (autoCompleteService != null && autoCompleteOption != AutoCompleteOption.NoPostBack)))
{
postBack = EwfPage.Instance.DataUpdatePostBack;
}
if (postBack != null)
{
EwfPage.Instance.AddPostBack(postBack);
}
PreRender += delegate { PostBackButton.EnsureImplicitSubmission(this, jsNeededForImplicitSubmission ? postBack : null); };
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() { " + PostBackButton.GetPostBackScript(postBack, includeReturnFalse: false) + "; }, 0 )");
};
}
if (ToolTip != null || ToolTipControl != null)
{
new ToolTip(ToolTipControl ?? EnterpriseWebFramework.Controls.ToolTip.GetToolTipTextControl(ToolTip), textBox);
}
}