| using System; |
| using System.Collections.Generic; |
| using System.Linq; |
| using System.Web; |
| using Telerik.Cms.Engine.WebControls.Admin; |
| using Telerik.Web.UI; |
| using System.Collections; |
| using Telerik.Cms.Engine; |
| |
| /// <summary> |
| /// Summary description for MyContentCategoriesField |
| /// </summary> |
| /// |
| |
| namespace Telerik.Samples |
| { |
| public class MyContentCategoriesField : ContentCategoriesField |
| { |
| public MyContentCategoriesField() |
| { |
| } |
| |
| // set the template for CategoriesField.ascx |
| public override string LayoutTemplatePath |
| { |
| get |
| { |
| if (string.IsNullOrEmpty(this.layoutTemplatePath)) |
| this.LayoutTemplatePath = "~/Sitefinity_3_6_1870_standard_ExternalTemplates/Sitefinity/Admin/ControlTemplates/Generic_Content/CategoriesField.ascx"; |
| return this.layoutTemplatePath; |
| } |
| set |
| { |
| this.layoutTemplatePath = value; |
| } |
| } |
| |
| // override initialize controls |
| protected override void InitializeControls(System.Web.UI.Control controlContainer) |
| { |
| base.InitializeControls(controlContainer); |
| this.CategoriesList.SelectedIndexChanged += new RadComboBoxSelectedIndexChangedEventHandler(CategoriesList_SelectedIndexChanged); |
| this.CategoriesList.Items.Clear(); |
| |
| // get categories by CategoryName ASC |
| IList categories = this.Manager.GetCategories(0, 0, "CategoryName ASC"); |
| RadComboBoxItem liUncategorized = new RadComboBoxItem(); |
| liUncategorized.Text = "-- uncategorized --"; |
| liUncategorized.Value = string.Empty; |
| if (String.IsNullOrEmpty(selectedCategory)) |
| liUncategorized.Selected = true; |
| this.CategoriesList.Items.Add(liUncategorized); |
| AddCategory(Guid.Empty, categories); |
| |
| |
| } |
| |
| /// <summary> |
| /// Adds the category. |
| /// </summary> |
| /// <param name="parentId">The parent id.</param> |
| /// <param name="categories">The categories.</param> |
| private void AddCategory(Guid parentId, IList categories) |
| { |
| foreach (ICategory category in categories) |
| { |
| if (this.CategoriesList.FindItemByValue(category.ID.ToString()) == null && category.ParentCategoryID == parentId) |
| { |
| RadComboBoxItem categoryItem = new RadComboBoxItem(category.CategoryName, category.CategoryName); |
| int level = CalculateLevel(category, categories); |
| |
| if (level > 0) |
| categoryItem.Style.Add("padding-left", string.Concat((10 * level), "px")); |
| if (category.CategoryName == selectedCategory) |
| categoryItem.Selected = true; |
| |
| this.CategoriesList.Items.Add(categoryItem); |
| AddCategory(category.ID, categories); |
| } |
| } |
| } |
| |
| /// <summary> |
| /// Calculates the level. |
| /// </summary> |
| /// <param name="category">The category.</param> |
| /// <param name="categories">The categories.</param> |
| /// <returns></returns> |
| private static int CalculateLevel(ICategory category, IList categories) |
| { |
| int level = 0; |
| while (category.ParentCategoryID != Guid.Empty) |
| { |
| level++; |
| foreach (ICategory category1 in categories) |
| { |
| if (category.ParentCategoryID == category1.ID) |
| { |
| category = category1; |
| break; |
| } |
| } |
| } |
| return level; |
| } |
| |
| void CategoriesList_SelectedIndexChanged(object o, RadComboBoxSelectedIndexChangedEventArgs e) |
| { |
| //Controls.Clear(); |
| RadComboBox combo = new RadComboBox(); |
| if (combo.SelectedItem.Value != String.Empty) |
| selectedCategory = combo.SelectedItem.Value; |
| Controls.Add(combo); |
| } |
| private string selectedCategory; |
| private string layoutTemplatePath; |
| } |
| } |