/// <summary>
/// Creates a form item with a change based check box list, which is a check box list that is based on changes to the selections rather than the absolute
/// set of selected items.
/// </summary>
/// <typeparam name="ItemIdType"></typeparam>
/// <param name="label"></param>
/// <param name="items"></param>
/// <param name="modificationMethod">A method that executes the change handlers of the items that were selected or deselected on this post back.</param>
/// <param name="caption"></param>
/// <param name="includeSelectAndDeselectAllButtons"></param>
/// <param name="numberOfColumns"></param>
/// <param name="postBack"></param>
/// <param name="cellSpan"></param>
/// <param name="textAlignment"></param>
/// <param name="validationPredicate"></param>
/// <param name="validationList"></param>
/// <returns></returns>
public static FormItem GetFormItem <ItemIdType>(
FormItemLabel label, IEnumerable <ChangeBasedListItemWithSelectionState <ItemIdType> > items, out Action modificationMethod, string caption = "",
bool includeSelectAndDeselectAllButtons = false, byte numberOfColumns = 1, PostBack postBack = null, int?cellSpan = null,
TextAlignment textAlignment = TextAlignment.NotSpecified, Func <bool> validationPredicate = null, ValidationList validationList = null)
{
var itemArray = items.ToArray();
var selectedItemIds = itemArray.Where(i => i.IsSelected).Select(i => i.Item.Item.Id);
var uiSelectedItemIds = itemArray.Where(i => i.IsSelectedInUi).Select(i => i.Item.Item.Id);
var checkBoxList = new ChangeBasedCheckBoxList <ItemIdType>(
itemArray.Select(i => i.Item),
selectedItemIds,
caption,
includeSelectAndDeselectAllButtons,
numberOfColumns,
uiSelectedItemIds,
postBack);
modificationMethod = checkBoxList.ModifyData;
return(FormItem.Create(
label,
checkBoxList,
cellSpan: cellSpan,
textAlignment: textAlignment,
validationGetter: control => new EwfValidation(
(pbv, validator) => {
if (validationPredicate != null && !validationPredicate())
{
return;
}
control.Validate(pbv);
},
validationList ?? EwfPage.Instance.DataUpdate)));
}
public static FormItem <WysiwygHtmlEditor> GetBodyHtmlFormItem(this EmailMessage emailMessage, ValidationList vl, string value = "")
{
return(FormItem.Create(
"Body",
new WysiwygHtmlEditor(value),
validationGetter: control => new Validation((pbv, validator) => emailMessage.BodyHtml = control.GetPostBackValue(pbv), vl)));
}
public static FormItem <EwfTextBox> GetSubjectFormItem(this EmailMessage emailMessage, ValidationList vl, string value = "")
{
return(FormItem.Create(
"Subject",
new EwfTextBox(value),
validationGetter: control => new EwfValidation(
(pbv, validator) => {
emailMessage.Subject = validator.GetString(new ValidationErrorHandler("subject"), control.GetPostBackValue(pbv), false);
if (Regex.Match(emailMessage.Subject, RegularExpressions.HtmlTag, RegexOptions.IgnoreCase).Success)
{
validator.NoteErrorAndAddMessage("HTML is not allowed in the subject field.");
}
},
vl)));
}
void ControlTreeDataLoader.LoadData()
{
if (hideIfEmpty && !formItems.Any())
{
Visible = false;
return;
}
CssClass = CssClass.ConcatenateWithSpace(CssElementCreator.CssClass);
var theButton = button;
#pragma warning disable 618 // Disables obsolete warning
if (IncludeButtonWithThisText != null)
{
theButton = new PostBackButton(EwfPage.Instance.DataUpdatePostBack, new ButtonActionControlStyle(IncludeButtonWithThisText));
}
#pragma warning restore 618
if (theButton != null)
{
theButton.ActionControlStyle = new ButtonActionControlStyle(theButton.ActionControlStyle.Text);
theButton.Width = Unit.Percentage(50);
// We need to do logic to get the button to be on the right of the row.
if (useFormItemListMode && numberOfColumns.HasValue)
{
var widthOfLastRowWithButton = getFormItemRows(formItems, numberOfColumns.Value).Last().Sum(fi => getCellSpan(fi)) + defaultFormItemCellSpan;
var numberOfPlaceholdersRequired = 0;
if (widthOfLastRowWithButton < numberOfColumns.Value)
{
numberOfPlaceholdersRequired = numberOfColumns.Value - widthOfLastRowWithButton;
}
if (widthOfLastRowWithButton > numberOfColumns.Value)
{
numberOfPlaceholdersRequired = numberOfColumns.Value - ((widthOfLastRowWithButton - numberOfColumns.Value) % numberOfColumns.Value);
}
numberOfPlaceholdersRequired.Times(() => formItems.Add(getPlaceholderFormItem()));
}
formItems.Add(
FormItem.Create(
"",
theButton,
textAlignment: TextAlignment.Right,
cellSpan: defaultFormItemCellSpan));
}
Controls.Add(useFormItemListMode ? getTableForFormItemList() : getTableForFormItemTable());
}
private int getCellSpan(FormItem formItem)
{
return(formItem.CellSpan ?? defaultFormItemCellSpan);
}
private FormItem <Literal> getPlaceholderFormItem()
{
return(FormItem.Create("", "".GetLiteralControl(), cellSpan: 1));
}