using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using Microsoft.SharePoint.WebControls;

using System.Web.UI.WebControls;

using System.Web.UI;

using Microsoft.SharePoint;

namespace X.WebParts.UploadDocument

{

    class SharePointWebControls

    {

        /// <summary>

        /// 返回控件

        /// </summary>

        public static Control GetSharePointControls(SPField field, SPList list, SPListItem item, SPControlMode mode)

        {

            // 检查是否隐藏

            if (field == null || field.FieldRenderingControl == null || field.Hidden) return null;

            try

            {

                BaseFieldControl webControl = field.FieldRenderingControl;

                webControl.ListId = list.ID;

                webControl.ItemId = item.ID;

                webControl.FieldName = field.Title;

                webControl.ID = GetControlID(field);

                webControl.ControlMode = mode;

                return webControl;

            }

            catch (Exception ex)

            {

                var errorLabel = new Label

                {

                    ID = "ErrorLabel",

                    Text = string.Format("控件错误:<br/>{0}", ex)

                };

                return errorLabel;

            }

        }

        /// <summary>

        /// 返回控件对应的值

        /// </summary>

        public static object GetSharePointControlValue(ControlCollection Controls, SPField field)

        {

            if (Controls == null)

            {

                return null;

            }

            // 控件ID

            string controlID = GetControlID(field);

            foreach (Control control in Controls)

            {

                Control returnObject = control.FindControl(controlID);

                // 取值

                if (returnObject != null && returnObject is BaseFieldControl)

                {

                    return ((BaseFieldControl)returnObject).Value;

                }

            }

            return null;

        }

        /// <summary>

        /// 返回控件对应的值

        /// </summary>

        public static object GetSharePointControlValue(Control Control, string controlID)

        {

            if (Control == null)

            {

                return null;

            }

            Control returnObject = Control.FindControl(controlID);

            if (returnObject != null && returnObject is BaseFieldControl)

            {

                return ((BaseFieldControl)returnObject).Value;

            }

            return null;

        }

        public static Control FindControlRecursive(Control control, string controlID)

        {

            Control returnObject = control.FindControl(controlID);

            return returnObject;

        }

        private static string GetControlID(SPField field)

        {

            // unique id

            return System.Guid.NewGuid().ToString() + field.InternalName;

        }

    }

}