mcs/class/System.Web/System.Web.UI/TemplateBuilder.cs

   1 //
   2 // System.Web.UI.TemplateBuilder
   3 //
   4 // Authors:
   5 //      Gonzalo Paniagua Javier (gonzalo@ximian.com)
   6 //
   7 // (C) 2003 Ximian, Inc. (http://www.ximian.com)
   8 // Copyright (C) 2005 Novell, Inc (http://www.novell.com)
   9 //
  10 // Permission is hereby granted, free of charge, to any person obtaining
  11 // a copy of this software and associated documentation files (the
  12 // "Software"), to deal in the Software without restriction, including
  13 // without limitation the rights to use, copy, modify, merge, publish,
  14 // distribute, sublicense, and/or sell copies of the Software, and to
  15 // permit persons to whom the Software is furnished to do so, subject to
  16 // the following conditions:
  17 //
  18 // The above copyright notice and this permission notice shall be
  19 // included in all copies or substantial portions of the Software.
  20 //
  21 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  22 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  23 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  24 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  25 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  26 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  27 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  28 //
  29
  30 using System.Collections;
  31 using System.Reflection;
  32 using System.Security.Permissions;
  33 #if NET_2_0
  34 using System.ComponentModel;
  35 #endif
  36
  37 namespace System.Web.UI {
  38
  39         // CAS
  40         [AspNetHostingPermission (SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
  41         [AspNetHostingPermission (SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.Minimal)]
  42         public class TemplateBuilder : ControlBuilder, ITemplate {
  43
  44                 string text;
  45                 TemplateContainerAttribute containerAttribute;
  46 #if NET_2_0
  47                 ArrayList bindings;
  48 #endif
  49
  50                 public TemplateBuilder ()
  51                 {
  52                 }
  53
  54                 internal TemplateBuilder (ICustomAttributeProvider prov)
  55                 {
  56                         object[] ats = prov.GetCustomAttributes (typeof(TemplateContainerAttribute), true);
  57                         if (ats.Length > 0) {
  58                                 containerAttribute = (TemplateContainerAttribute) ats [0];
  59                         }
  60                 }
  61
  62                 public virtual string Text {
  63                         get { return text; }
  64                         set { text = value; }
  65                 }
  66
  67                 internal Type ContainerType {
  68                         get { return containerAttribute != null ? containerAttribute.ContainerType : null; }
  69                 }
  70
  71 #if NET_2_0
  72                 internal BindingDirection BindingDirection {
  73                         get { return containerAttribute != null ? containerAttribute.BindingDirection : BindingDirection.TwoWay; }
  74                 }
  75
  76                 internal void RegisterBoundProperty (Type controlType, string controlProperty, string controlId, string fieldName)
  77                 {
  78                         if (bindings == null) bindings = new ArrayList ();
  79                         bindings.Add (new TemplateBinding (controlType, controlProperty, controlId, fieldName));
  80                 }
  81
  82                 internal ICollection Bindings {
  83                         get { return bindings; }
  84                 }
  85
  86                 public override object BuildObject ()
  87                 {
  88                         return base.BuildObject ();
  89                 }
  90 #endif
  91
  92                 public override void Init (TemplateParser parser,
  93                                           ControlBuilder parentBuilder,
  94                                           Type type,
  95                                           string tagName,
  96                                           string ID,
  97                                           IDictionary attribs)
  98                 {
  99                         // enough?
 100                         base.Init (parser, parentBuilder, type, tagName, ID, attribs);
 101                 }
 102
 103                 public virtual void InstantiateIn (Control container)
 104                 {
 105                         CreateChildren (container);
 106                 }
 107
 108                 public override bool NeedsTagInnerText ()
 109                 {
 110                         return false;
 111                 }
 112
 113                 public override void SetTagInnerText (string text)
 114                 {
 115                         this.text = text;
 116                 }
 117         }
 118
 119 #if NET_2_0
 120         internal class TemplateBinding
 121         {
 122                 public Type ControlType;
 123                 public string ControlProperty;
 124                 public string ControlId;
 125                 public string FieldName;
 126
 127                 public TemplateBinding (Type controlType, string controlProperty, string controlId, string fieldName)
 128                 {
 129                         ControlType = controlType;
 130                         ControlProperty = controlProperty;
 131                         ControlId = controlId;
 132                         FieldName = fieldName;
 133                 }
 134         }
 135 #endif
 136 }
 137