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