mcs/class/System.Web/System.Web.UI.HtmlControls/HtmlImage.cs

   1 //
   2 // System.Web.UI.HtmlControls.HtmlImage.cs
   3 //
   4 // Author:
   5 //      Dick Porter  <dick@ximian.com>
   6 //
   7 // Copyright (C) 2005 Novell, Inc (http://www.novell.com)
   8 //
   9 // Permission is hereby granted, free of charge, to any person obtaining
  10 // a copy of this software and associated documentation files (the
  11 // "Software"), to deal in the Software without restriction, including
  12 // without limitation the rights to use, copy, modify, merge, publish,
  13 // distribute, sublicense, and/or sell copies of the Software, and to
  14 // permit persons to whom the Software is furnished to do so, subject to
  15 // the following conditions:
  16 //
  17 // The above copyright notice and this permission notice shall be
  18 // included in all copies or substantial portions of the Software.
  19 //
  20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  27 //
  28
  29 using System.ComponentModel;
  30 using System.Globalization;
  31 using System.Security.Permissions;
  32
  33 namespace System.Web.UI.HtmlControls
  34 {
  35         // CAS
  36         [AspNetHostingPermission (SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
  37         [AspNetHostingPermission (SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.Minimal)]
  38         // attributes
  39 #if NET_2_0
  40         [ControlBuilder (typeof (HtmlEmptyTagControlBuilder))]
  41 #else
  42         [ControlBuilder (typeof (HtmlControlBuilder))]
  43 #endif
  44         public class HtmlImage : HtmlControl
  45         {
  46                 public HtmlImage () : base ("img")
  47                 {
  48                 }
  49
  50                 [DefaultValue ("")]
  51                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
  52                 [WebSysDescription("")]
  53                 [WebCategory("Layout")]
  54                 public string Align
  55                 {
  56                         get {
  57                                 string align = Attributes["align"];
  58
  59                                 if (align == null) {
  60                                         return (String.Empty);
  61                                 }
  62
  63                                 return (align);
  64                         }
  65                         set {
  66                                 if (value == null) {
  67                                         Attributes.Remove ("align");
  68                                 } else {
  69                                         Attributes["align"] = value;
  70                                 }
  71                         }
  72                 }
  73
  74                 [DefaultValue ("")]
  75                 [WebSysDescription("")]
  76                 [WebCategory("Appearance")]
  77                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
  78 #if NET_2_0
  79                 [Localizable (true)]
  80 #endif
  81                 public string Alt
  82                 {
  83                         get {
  84                                 string alt = Attributes["alt"];
  85
  86                                 if (alt == null) {
  87                                         return (String.Empty);
  88                                 }
  89
  90                                 return (alt);
  91                         }
  92                         set {
  93                                 if (value == null) {
  94                                         Attributes.Remove ("alt");
  95                                 } else {
  96                                         Attributes["alt"] = value;
  97                                 }
  98                         }
  99                 }
 100
 101                 [DefaultValue (0)]
 102                 [WebSysDescription("")]
 103                 [WebCategory("Appearance")]
 104                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
 105                 public int Border
 106                 {
 107                         get {
 108                                 string border = Attributes["border"];
 109
 110                                 if (border == null) {
 111                                         return (-1);
 112                                 } else {
 113                                         return (Int32.Parse (border, CultureInfo.InvariantCulture));
 114                                 }
 115                         }
 116                         set {
 117                                 if (value == -1) {
 118                                         Attributes.Remove ("border");
 119                                 } else {
 120                                         Attributes["border"] = value.ToString ();
 121                                 }
 122                         }
 123                 }
 124
 125                 [DefaultValue (100)]
 126                 [WebSysDescription("")]
 127                 [WebCategory("Layout")]
 128                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
 129                 public int Height
 130                 {
 131                         get {
 132                                 string height = Attributes["height"];
 133
 134                                 if (height == null) {
 135                                         return (-1);
 136                                 } else {
 137                                         return (Int32.Parse (height, CultureInfo.InvariantCulture));
 138                                 }
 139                         }
 140                         set {
 141                                 if (value == -1) {
 142                                         Attributes.Remove ("height");
 143                                 } else {
 144                                         Attributes["height"] = value.ToString ();
 145                                 }
 146                         }
 147                 }
 148
 149                 [DefaultValue ("")]
 150                 [WebSysDescription("")]
 151                 [WebCategory("Behavior")]
 152                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
 153                 public string Src
 154                 {
 155                         get {
 156                                 string src = Attributes["src"];
 157
 158                                 if (src == null) {
 159                                         return (String.Empty);
 160                                 }
 161
 162                                 return (src);
 163                         }
 164                         set {
 165                                 if (value == null) {
 166                                         Attributes.Remove ("src");
 167                                 } else {
 168                                         Attributes["src"] = value;
 169                                 }
 170                         }
 171                 }
 172
 173                 [DefaultValue (100)]
 174                 [WebSysDescription("")]
 175                 [WebCategory("Layout")]
 176                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
 177                 public int Width
 178                 {
 179                         get {
 180                                 string width = Attributes["width"];
 181
 182                                 if (width == null) {
 183                                         return (-1);
 184                                 }
 185                                 else {
 186                                         return (Int32.Parse (width, CultureInfo.InvariantCulture));
 187                                 }
 188                         }
 189                         set {
 190                                 if (value == -1) {
 191                                         Attributes.Remove ("width");
 192                                 } else {
 193                                         Attributes["width"] = value.ToString ();
 194                                 }
 195                         }
 196                 }
 197
 198                 protected override void RenderAttributes (HtmlTextWriter w)
 199                 {
 200                         PreProcessRelativeReference (w, "src");
 201                         base.RenderAttributes (w);
 202
 203                         /* MS closes the HTML element at the end of
 204                          * the attributes too, according to the nunit
 205                          * tests
 206                          */
 207                         w.Write (" /");
 208                 }
 209         }
 210 }
 211
 212