/// <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="action"></param>
/// <param name="cellSpan"></param>
/// <param name="textAlignment"></param>
/// <param name="validationPredicate"></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, FormAction action = null, int?cellSpan = null,
TextAlignment textAlignment = TextAlignment.NotSpecified, Func <bool> validationPredicate = 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,
action);
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);
})));
}
/// <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="selectedItemIds"></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="uiSelectedItemIds"></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 <ChangeBasedListItem <ItemIdType> > items, IEnumerable <ItemIdType> selectedItemIds, out Action modificationMethod,
string caption = "", bool includeSelectAndDeselectAllButtons = false, byte numberOfColumns = 1, IEnumerable <ItemIdType> uiSelectedItemIds = null,
PostBack postBack = null, int?cellSpan = null, TextAlignment textAlignment = TextAlignment.NotSpecified, Func <bool> validationPredicate = null,
ValidationList validationList = null)
{
var checkBoxList = new ChangeBasedCheckBoxList <ItemIdType>(
items,
selectedItemIds,
caption,
includeSelectAndDeselectAllButtons,
numberOfColumns,
uiSelectedItemIds ?? selectedItemIds,
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)));
}
