Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

mcs/class/referencesource/System.Web/UI/WebControls/TemplateColumn.cs

@@ -0,0 +1,175 @@
+//------------------------------------------------------------------------------
+// <copyright file="TemplateColumn.cs" company="Microsoft">
+//     Copyright (c) Microsoft Corporation.  All rights reserved.
+// </copyright>                                                                
+//------------------------------------------------------------------------------
+
+namespace System.Web.UI.WebControls {
+
+    using System;
+    using System.Collections;
+    using System.ComponentModel;
+    using System.Web;
+    using System.Web.UI;
+
+    /// <devdoc>
+    ///    <para>Defines the template for controls layout within a 
+    ///    <see cref='System.Web.UI.WebControls.DataGrid'/> 
+    ///    column.</para>
+    /// </devdoc>
+    // 
+
+
+    public class TemplateColumn : DataGridColumn {
+
+        private ITemplate headerTemplate;
+        private ITemplate footerTemplate;
+        private ITemplate itemTemplate;
+        private ITemplate editItemTemplate;
+
+        
+
+        /// <devdoc>
+        ///    Initializes a new instance of the <see cref='System.Web.UI.WebControls.TemplateColumn'/> class.
+        /// </devdoc>
+        public TemplateColumn() {
+        }
+
+        
+
+        /// <devdoc>
+        /// <para>Specifies the <see cref='System.Web.UI.ITemplate' qualify='true'/> that defines how items in edit mode are rendered. </para>
+        /// </devdoc>
+        [
+            Browsable(false),
+            DefaultValue(null),
+            WebSysDescription(SR.TemplateColumn_EditItemTemplate),
+            PersistenceMode(PersistenceMode.InnerProperty),
+            TemplateContainer(typeof(DataGridItem))
+        ]
+        public virtual ITemplate EditItemTemplate {
+            get {
+                return editItemTemplate;
+            }
+            set {
+                editItemTemplate = value;
+                OnColumnChanged();
+            }
+        }
+        
+
+        /// <devdoc>
+        /// <para>Specifies the <see cref='System.Web.UI.ITemplate' qualify='true'/> that defines how the control footer is rendered. </para>
+        /// </devdoc>
+        [
+            Browsable(false),
+            DefaultValue(null),
+            WebSysDescription(SR.TemplateColumn_FooterTemplate),
+            PersistenceMode(PersistenceMode.InnerProperty),
+            TemplateContainer(typeof(DataGridItem))
+        ]
+        public virtual ITemplate FooterTemplate {
+            get {
+                return footerTemplate;
+            }
+            set {
+                footerTemplate = value;
+                OnColumnChanged();
+            }
+        }
+        
+
+        /// <devdoc>
+        /// <para>Specifies the <see cref='System.Web.UI.ITemplate' qualify='true'/>
+        /// that defines how the control header is rendered.</para>
+        /// </devdoc>
+        [
+            Browsable(false),
+            DefaultValue(null),
+            WebSysDescription(SR.TemplateColumn_HeaderTemplate),
+            PersistenceMode(PersistenceMode.InnerProperty),
+            TemplateContainer(typeof(DataGridItem))
+        ]
+        public virtual ITemplate HeaderTemplate {
+            get {
+                return headerTemplate;
+            }
+            set {
+                headerTemplate = value;
+                OnColumnChanged();
+            }
+        }
+
+
+        /// <devdoc>
+        /// <para> Specifies the <see cref='System.Web.UI.ITemplate' qualify='true'/> that defines how items are rendered. </para>
+        /// </devdoc>
+        [
+            Browsable(false),
+            DefaultValue(null),
+            WebSysDescription(SR.TemplateColumn_ItemTemplate),
+            PersistenceMode(PersistenceMode.InnerProperty),
+            TemplateContainer(typeof(DataGridItem))
+        ]
+        public virtual ITemplate ItemTemplate {
+            get {
+                return itemTemplate;
+            }
+            set {
+                itemTemplate = value;
+                OnColumnChanged();
+            }
+        }
+        
+
+        /// <internalonly/>
+        /// <devdoc>
+        /// </devdoc>
+        public override void InitializeCell(TableCell cell, int columnIndex, ListItemType itemType) {
+            base.InitializeCell(cell, columnIndex, itemType);
+
+            ITemplate contentTemplate = null;
+            switch (itemType) {
+                case ListItemType.Header:
+                    contentTemplate = headerTemplate;
+                    break;
+                    
+                case ListItemType.Footer:
+                    contentTemplate = footerTemplate;
+                    break;
+                    
+                case ListItemType.Item:
+                case ListItemType.AlternatingItem:
+                case ListItemType.SelectedItem:
+                    contentTemplate = itemTemplate;
+                    break;
+                    
+                case ListItemType.EditItem:
+                    if (editItemTemplate != null)
+                        contentTemplate = editItemTemplate;
+                    else
+                        goto case ListItemType.Item;
+                    break;
+            }
+            
+            if (contentTemplate != null) {
+                // The base class might have added a control or some text for some cases
+                // such as header text which need to be removed before
+                // the corresponding template is used.
+                // Note that setting text also has the effect of clearing out any controls.
+                cell.Text = String.Empty;
+                
+                contentTemplate.InstantiateIn(cell);
+            }
+            else {
+                if (itemType == ListItemType.Item || 
+                    itemType == ListItemType.AlternatingItem || 
+                    itemType == ListItemType.SelectedItem || 
+                    itemType == ListItemType.EditItem) {
+                    cell.Text = "&nbsp;";
+                }
+            }
+        }
+    }
+}
+