/// <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 Validation( (pbv, validator) => { if (validationPredicate != null && !validationPredicate()) { return; } control.Validate(pbv); }, validationList ?? EwfPage.Instance.DataUpdate))); }
/// <summary> /// Creates a form item. /// </summary> protected FormItem(FormItemLabel label, Control control, int?cellSpan, TextAlignment textAlignment, Validation validation) { if (label == null) { throw new ApplicationException("The label cannot be a null FormItemLabel reference."); } this.label = label; this.control = control; this.cellSpan = cellSpan; this.textAlignment = textAlignment; this.validation = validation; }
/// <summary> /// Creates a form item with the given label and control. Cell span only applies to adjacent layouts. /// </summary> // By taking a FormItemLabel instead of a Control for label, we retain the ability to implement additional behavior for string labels, such as automatically // making them bold. public static FormItem <ControlType> Create <ControlType>( FormItemLabel label, ControlType control, int?cellSpan = null, TextAlignment textAlignment = TextAlignment.NotSpecified, Func <ControlType, Validation> validationGetter = null) where ControlType : Control { return(new FormItem <ControlType>(label, control, cellSpan, textAlignment, validationGetter != null ? validationGetter(control) : null)); }