Sitecore分組下拉列表

我有兩個模板下拉列表字段。在內容編輯器中，我希望它使第二個下拉列表的值依賴於第一個下拉列表。即像國家/國家控制。有沒有辦法做到這一點？Sitecore分組下拉列表
2012-09-24 M.R.
這兩種功能都不會帶來任何功能。您需要創建一個自定義字段並實施它。
編輯：這是一個類別/子類別字段的執行我有一個Sitecore的安裝
public class CategoryPicker : Control, IContentField 
    { 
     #region IContentField Implementation 

     public string GetValue() 
     { 
      return string.Format("{0}|{1}", 
           GetInputControl<Listbox>(ControlNames.MainCategoryDropList).SelectedItem.Value, 
           GetInputControl<Listbox>(ControlNames.SubCategoryDropList).SelectedItem.Value); 

     } 

     public void SetValue(string value) 
     { 
      Value = value; 
     } 

     #endregion 

     #region Properties 

     public string ItemId 
     { 
      get { return GetViewStateString("ItemID"); } 
      set { SetViewStateString("ItemID", value); } 
     } 

     private CategoryIdPair CategoryIdPair 
     { 
      get 
      { 
       Item contextItem = GetItem(ItemId); 
       if (contextItem.Fields["CategoryId"] != null) 
       { 
        return CategoryFieldParser.Parse(contextItem.Fields["CategoryId"].Value); 
       } 
       return CategoryIdPair.Empty; 
      } 
     } 

     public bool TrackModified 
     { 
      get { return GetViewStateBool("TrackModified", false); } 
      set { SetViewStateBool("TrackModified", value, false); } 
     } 

     #endregion 

     public CategoryPicker() 
     { 
      TrackModified = true; 
     } 

     protected override void OnLoad(EventArgs e) 
     { 
      if (!Sitecore.Context.ClientPage.IsEvent) 
      { 
       Controls.Clear(); 
       Controls.Add(CreateMainCategorySelectorControl()); 
       Controls.Add(CreateSubCategorySelectorControl()); 

       SetSelectorOnChangeEvents(); 
      } 
      else 
      { 
       var mainCategorySelectorControl = GetInputControl<Listbox>(ControlNames.MainCategoryDropList); 
       var subCategorySelectorControl = GetInputControl<Listbox>(ControlNames.SubCategoryDropList); 
       // if value changed - set modified=true 
       if (mainCategorySelectorControl.SelectedItem.Value != CategoryIdPair.CategoryId.ToString() || subCategorySelectorControl.SelectedItem.Value != CategoryIdPair.SubCategoryId.ToString()) 
       { 
        SetModified(); 
       } 
      } 

      base.OnLoad(e); 
     } 

     private void SetSelectorOnChangeEvents() 
     { 
      var mainCategorySelectorControl = GetInputControl<Listbox>(ControlNames.MainCategoryDropList); 
      mainCategorySelectorControl.Attributes.Add("onchange", 
                 Sitecore.Context.ClientPage.GetClientEvent(
                 ID + ".ReInitialiseSubCategorySelector")); 
      var subCategorySelectorControl = GetInputControl<Listbox>(ControlNames.SubCategoryDropList); 
      subCategorySelectorControl.Attributes.Add("onchange", 
                 Sitecore.Context.ClientPage.GetClientEvent(
                 ID + ".SetSubCategoryFieldValue")); 
     } 

     public void ReInitialiseSubCategorySelector() 
     { 
      var subCategorySelectorControl = GetInputControl<Listbox>(ControlNames.SubCategoryDropList); 
      InitialiseSubCategorySelectorControl(subCategorySelectorControl); 
      Sitecore.Context.ClientPage.ClientResponse.Refresh(subCategorySelectorControl); 
     } 

     public void SetSubCategoryFieldValue() 
     { 
      Item contextItem = GetItem(ItemId); 
      using (new SecurityDisabler()) 
      { 
       contextItem.Editing.BeginEdit(); 
       contextItem.Fields["CategoryId"].Value = GetValue(); 
       contextItem.Editing.EndEdit(); 
      } 
     } 

     #region Main Category Dropdown Population 

     private Listbox CreateMainCategorySelectorControl() 
     { 
      var mainCategorySelectorControl = new Listbox 
               { 
                ID = GetID(ControlNames.MainCategoryDropList), 
                Disabled = Disabled, 
                TrackModified = false 
               }; 

      InitialiseMainCategorySelectorControl(mainCategorySelectorControl); 

      return mainCategorySelectorControl; 
     } 

     private void InitialiseMainCategorySelectorControl(System.Web.UI.Control mainCategorySelectorControl) 
     { 
      List<Category> mainCategories = //Get main categories; 

      foreach (Category category in mainCategories) 
       CreateCategoryListItem(category.Description, category.CategoryId, mainCategorySelectorControl, category.CategoryId == CategoryIdPair.CategoryId); 
     } 

     #endregion 

     #region Sub-Category Dropdown Population 

     public Listbox CreateSubCategorySelectorControl() 
     { 
      var subCategorySelectorControl = new Listbox 
               { 
                ID = GetID(ControlNames.SubCategoryDropList), 
                Disabled = Disabled, 
                TrackModified = false 
               }; 

      InitialiseSubCategorySelectorControl(subCategorySelectorControl); 
      subCategorySelectorControl.Value = CategoryIdPair.SubCategoryId.ToString(); 
      Sitecore.Context.ClientPage.ClientResponse.Refresh(subCategorySelectorControl); 
      return subCategorySelectorControl; 
     } 

     public void InitialiseSubCategorySelectorControl(System.Web.UI.Control subCategorySelectorControl) 
     { 
      var mainCategorySelectorControl = GetInputControl<Listbox>(ControlNames.MainCategoryDropList); 
      int mainCategorySelectedValue = Convert.ToInt32(mainCategorySelectorControl.SelectedItem.Value); 

      subCategorySelectorControl.Controls.Clear(); 

      CreateCategoryListItem("Please select", 0, subCategorySelectorControl, false); 

      List<SubCategory> subCategories = //Get all subcategories 
      foreach (SubCategory subCategory in subCategories) 
      { 
       CreateCategoryListItem(subCategory.Description, subCategory.SubCategoryId, subCategorySelectorControl, subCategory.SubCategoryId == CategoryIdPair.SubCategoryId); 
      } 
     } 

     #endregion 

     private static void CreateCategoryListItem(string title, int value, System.Web.UI.Control control, bool selected) 
     { 
      var listItem = new ListItem 
          { 
           ID = GetUniqueID(ControlNames.CategoryListItem), 
           Header = title, 
           Value = value.ToString(), 
           Selected = selected 
          }; 

      Sitecore.Context.ClientPage.AddControl(control, listItem); 
     } 

     #region Helper Methods 

     private T GetInputControl<T>(string controlName) where T : Control 
     { 
      return FindControl(GetID(controlName)) as T; 
     } 

     private void SetModified() 
     { 
      if (TrackModified) 
      { 
       Sitecore.Context.ClientPage.Modified = true; 
      } 
     } 

     private static Item GetItem(string itemId) 
     { 
      return Sitecore.Context.ContentDatabase.GetItem(new ID(itemId)); 
     } 

     #endregion 

     #region ControlNames Nested Class 

     private static class ControlNames 
     { 
      public const string MainCategoryDropList = "MainCategoryDropList"; 
      public const string SubCategoryDropList = "SubCategoryDropList"; 
      public const string CategoryListItem = "CategoryListItem"; 
     } 

     #endregion 
    } 

    public class CategoryField : CustomField 
    { 
     public int CategoryId { get; set; } 
     public int SubCategoryId { get; set; } 

     public CategoryField(Field innerField) : base(innerField) 
     { 
      Assert.ArgumentNotNull(innerField, "innerField"); 
      var pair = CategoryFieldParser.Parse(innerField.Value); 
      CategoryId = pair.CategoryId; 
      SubCategoryId = pair.SubCategoryId; 
     } 

     public static implicit operator CategoryField(Field field) 
     { 
      if (field != null) 
      { 
       return new CategoryField(field); 
      } 
      return null; 
     } 
    } 

    public class CategoryFieldParser 
    { 
     public static CategoryIdPair Parse(string input) 
     { 
      var pair = input.Split(new[] { '|' }); 
      return new CategoryIdPair 
        { 
         CategoryId = pair.Length > 0 ? GetIntValue(pair[0]) : CategoryIdPair.Empty.CategoryId, 
         SubCategoryId = pair.Length == 2 ? GetIntValue(pair[1]) : CategoryIdPair.Empty.SubCategoryId 
        }; 
     } 

     private static int GetIntValue(string input) 
     { 
      int result; 
      if (int.TryParse(input, out result)) 
       return result; 
      return 0; 
     } 
    } 

    public class CategoryIdPair 
    { 
     public int CategoryId { get; set; } 
     public int SubCategoryId { get; set; } 
     public static CategoryIdPair Empty 
     { 
      get { return new CategoryIdPair {CategoryId = 0, SubCategoryId = 0}; } 
     } 
    }
來源
2012-09-25 07:55:44 marto
Sitecore分組下拉列表

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