Post date: Jan 18, 2010 6:51:32 PM
using System;using System.Collections.Generic;using System.Text;using EPiServer;using EPiServer.Core;using EPiServer.DataAbstraction;using EPiServer.PlugIn;using EPiServer.Web.PropertyControls;namespace EPiServer.Labs { /// <summary> /// Custom PropertyData implementation /// </summary> [Serializable] [PageDefinitionTypePlugIn(DisplayName="TrueFalseNull")] public class PropertyTrueFalseNull : EPiServer.Core.PropertyString { // TODO: Override members of EPiServer.Core.PropertyString to provide your own logic. public override object Value { get { return State; } set { if (value == null) { State = null; } else { State = Convert.ToBoolean(value); } } } public bool? State { get { if (IsNull) return null; return bool.Parse(String); } set { ThrowIfReadOnly(); SetPropertyValue(value, delegate() { this.String = value.ToString(); } ); } } public override EPiServer.Core.IPropertyControl CreatePropertyControl() { return new PropertyTrueFalseNullControl(); } }}
Control:
using System;using System.Collections.Generic;using System.Text;using EPiServer;using EPiServer.Core;using EPiServer.DataAbstraction;using EPiServer.Web.PropertyControls;using EPiServer.Web.WebControls;using System.Web.UI.WebControls;namespace EPiServer.Labs { /// <summary> /// PropertyControl implementation used for rendering PropertyTrueFalseNull data. /// </summary> public class PropertyTrueFalseNullControl : EPiServer.Web.PropertyControls.PropertySelectControlBase { /* Override CreateXXXControls to control the appearance of the property data in different rendering conditions. public override void CreateDefaultControls() - Used when rendering the view mode. public override void CreateEditControls() - Used when rendering the property in edit mode. public override void CreateOnPageEditControls() - used when rendering the property for "On Page Edit". */ /// <summary> /// Gets the PropertyTrueFalseNull instance for this IPropertyControl. /// </summary> /// <value>The property that is to be displayed or edited.</value> public PropertyTrueFalseNull PropertyTrueFalseNull { get { return PropertyData as PropertyTrueFalseNull; } } protected override void SetupEditControls() { EditControl.Items.Add(new ListItem("Null", "")); EditControl.Items.Add(new ListItem("True", true.ToString())); EditControl.Items.Add(new ListItem("False", false.ToString())); if (!PropertyTrueFalseNull.IsNull) EditControl.SelectedValue = PropertyTrueFalseNull.State.ToString(); } }}