SummaryLink Class

[SharePointPermissionAttribute(SecurityAction.LinkDemand, ObjectModel = true)]
[SharePointPermissionAttribute(SecurityAction.InheritanceDemand, ObjectModel = true)]
public sealed class SummaryLink

using System;
using System.Collections.Generic;
using System.Text;
using Microsoft.SharePoint;
using Microsoft.SharePoint.Publishing;
using Microsoft.SharePoint.Publishing.Fields;
using Microsoft.SharePoint.Publishing.WebControls;
using SharePointWebParts = Microsoft.SharePoint.WebPartPages;
using System.Web.UI.WebControls.WebParts;

namespace SummaryLinkFieldTest
{
    static class CreateSummaryLinks
    {
        /// Creates SummaryLinks in a SummaryLinkField within a PublishingPage
        /// This sample creates group headers and summary links within a SummaryLinkFieldValue object
        /// and then applies the SummaryLinkFieldValue to a SummaryLinkField within a Page.
        /// 
        /// Pre-requisite:
        /// This sample assumes that 'Content Approval' is applied to 
        /// the Pages document library containing the PublishingPage.
        /// <param name="publishingPage">The page in which to create the summary links</param>
        /// <param name="fieldName">The name of the SummaryLinkField</param>
        public static void createFieldControlSummaryLinks(PublishingPage publishingPage, string fieldName)
        {
            // SummaryLinkFieldValue is the container for SummaryLinks and display configuration
            // data.
            SummaryLinkFieldValue summaryLinkValue = CreateSummaryLinks.createSummaryLinkValue();

            if (publishingPage.ListItem.File.CheckOutStatus == SPFile.SPCheckOutStatus.None)
            {
                publishingPage.CheckOut();
            }
            
            // Replace the existing contents of the field with the newly created SummaryLinkValue
            publishingPage.ListItem[fieldName] = summaryLinkValue;

            publishingPage.Update();
            publishingPage.CheckIn("Checking in summary link change");
            publishingPage.ListItem.File.Publish("Publishing summary link change");
            publishingPage.ListItem.File.Approve("Approving summary link change");
        }

        
        /// Creates SummaryLinks in a SummaryLinkWebPart within a PublishingPage
        /// This sample creates group headers and summary links within a SummaryLinkFieldValue object
        /// and then applies the SummaryLinkFieldValue to a SummaryLinkWebPart on a PublishingPage.
        /// 
        /// Pre-requisite:
        /// This sample assumes that 'Content Approval' is applied to 
        /// the Pages document library containing the PublishingPage.
        /// <param name="publishingPage">The page in which to create the summary links</param>
        /// <param name="webRelativePageUrl">The web relative URL of the page</param>
        /// <param name="webPartTitle">The Title of the web part</param>
        public static void createWebPartSummaryLinks(PublishingPage publishingPage, string webRelativePageUrl, string webPartTitle)
        {
            SummaryLinkFieldValue summaryLinkValue = CreateSummaryLinks.createSummaryLinkValue();

            if (publishingPage.ListItem.File.CheckOutStatus == SPFile.SPCheckOutStatus.None)
            {
                publishingPage.CheckOut();
            }

            SharePointWebParts.SPLimitedWebPartManager webPartManager =
                publishingPage.ListItem.Web.GetLimitedWebPartManager(webRelativePageUrl,
                                                          System.Web.UI.WebControls.WebParts.PersonalizationScope.Shared);

            SharePointWebParts.SPLimitedWebPartCollection webParts = webPartManager.WebParts;

            foreach (WebPart webPart in webParts)
            {
                SummaryLinkWebPart slwp = webPart as SummaryLinkWebPart;
                if (slwp != null && 
                    string.CompareOrdinal(slwp.Title, webPartTitle) == 0)
                {
                    // Replace the existing contents of the Web part with the newly created SummaryLinkValue
                    slwp.SummaryLinkValue = summaryLinkValue;
                    webPartManager.SaveChanges(slwp);
                    break;
                }
            }

            publishingPage.Update();
            publishingPage.CheckIn("Checking in summary link change");
            publishingPage.ListItem.File.Publish("Publishing summary link change");
            publishingPage.ListItem.File.Approve("Approving summary link change");
        }

        public static SummaryLinkFieldValue createSummaryLinkValue()
        {
            SummaryLinkFieldValue summaryLinkValue = new SummaryLinkFieldValue();
            summaryLinkValue.DisplayColumns = 2;
            summaryLinkValue.LinkStyle = "Bullets";
            summaryLinkValue.GroupStyle = "Black";

            SummaryLinkCollection summaryLinks = summaryLinkValue.SummaryLinks;

            SummaryLink summaryLink;

            // Add Groups and links.
            // The link style set here must correspond to one of the template names in the XSL Item style
            // This is not verified by the OM, but an incorrect template name results in the
            // link not rendering.
            
            // GroupA

            summaryLink = summaryLinks.Add("GroupA");
            summaryLink.IsGroupHeader = true;

            summaryLink = summaryLinks.Add("Link1");
            summaryLink.Description = "Description1";
            summaryLink.Style = "Default";
            summaryLink.ImageUrl = "http://www.live.com/live/1.100.7.337/img/wl_jewel.gif";
            summaryLink.LinkUrl = "http://www.example.com/link1";

            summaryLink = summaryLinks.Add("Link2");
            summaryLink.Description = "Description2";
            summaryLink.Style = "Default";
            summaryLink.ImageUrl = "http://www.live.com/live/1.100.7.337/img/wl_jewel.gif";
            summaryLink.LinkUrl = "http://www.example.com/link2";

            // GroupB

            summaryLink = summaryLinks.Add("GroupB");
            summaryLink.IsGroupHeader = true;

            summaryLink = summaryLinks.Add("Link3");
            summaryLink.Description = "Description3";
            summaryLink.Style = "Default";
            summaryLink.ImageUrl = "http://www.live.com/live/1.100.7.337/img/wl_jewel.gif";
            summaryLink.LinkUrl = "http://www.example.com/link3";
            summaryLink.LinkToolTip = "Tooltip for link3";

            return summaryLinkValue;
        }
    
    }
}