mcs/class/System.Web/System.Web.UI.WebControls/TableItemStyle.cs

   1
   2 //
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   9 // the following conditions:
  10 //
  11 // The above copyright notice and this permission notice shall be
  12 // included in all copies or substantial portions of the Software.
  13 //
  14 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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  18 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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  21 //
  22 /**\r
  23  * Namespace: System.Web.UI.WebControls\r
  24  * Class:     TableItemStyle\r
  25  *\r
  26  * Author:  Gaurav Vaish\r
  27  * Maintainer: gvaish@iitk.ac.in\r
  28  * Contact: <my_scripts2001@yahoo.com>, <gvaish@iitk.ac.in>\r
  29  * Implementation: yes\r
  30  * Status:  100%\r
  31  *\r
  32  * (C) Gaurav Vaish (2002)\r
  33  */\r
  34 \r
  35 using System;\r
  36 using System.ComponentModel;\r
  37 using System.Web;\r
  38 using System.Web.UI;\r
  39 \r
  40 namespace System.Web.UI.WebControls\r
  41 {\r
  42         public class TableItemStyle: Style\r
  43         {\r
  44                 private static int H_ALIGN = (0x01 << 16);\r
  45                 private static int V_ALIGN = (0x01 << 17);\r
  46                 private static int WRAP    = (0x01 << 18);\r
  47 \r
  48                 public TableItemStyle(): base()\r
  49                 {\r
  50                 }\r
  51 \r
  52                 public TableItemStyle(StateBag bag): base(bag)\r
  53                 {\r
  54                 }\r
  55 \r
  56                 [Bindable(true)]\r
  57                 [DefaultValue(HorizontalAlign.NotSet)]\r
  58                 [NotifyParentProperty(true)]\r
  59                 [WebCategory("Layout")]\r
  60                 [WebSysDescription("TableItemStyle_HorizontalAlign")]\r
  61                 public virtual HorizontalAlign HorizontalAlign\r
  62                 {\r
  63                         get\r
  64                         {\r
  65                                 if(IsSet(H_ALIGN))\r
  66                                         return (HorizontalAlign)ViewState["HorizontalAlign"];\r
  67                                 return HorizontalAlign.NotSet;\r
  68                         }\r
  69                         set\r
  70                         {\r
  71                                 if(!Enum.IsDefined(typeof(HorizontalAlign), value))\r
  72                                 {\r
  73                                         throw new ArgumentException();\r
  74                                 }\r
  75                                 ViewState["HorizontalAlign"] = value;\r
  76                                 Set(H_ALIGN);\r
  77                         }\r
  78                 }\r
  79 \r
  80                 [Bindable(true)]\r
  81                 [DefaultValue(VerticalAlign.NotSet)]\r
  82                 [NotifyParentProperty(true)]\r
  83                 [WebCategory("Layout")]\r
  84                 [WebSysDescription("TableItemStyle_VerticalAlign")]\r
  85                 public virtual VerticalAlign VerticalAlign\r
  86                 {\r
  87                         get\r
  88                         {\r
  89                                 if(IsSet(V_ALIGN))\r
  90                                         return (VerticalAlign)ViewState["VerticalAlign"];\r
  91                                 return VerticalAlign.NotSet;\r
  92                         }\r
  93                         set\r
  94                         {\r
  95                                 if(!Enum.IsDefined(typeof(VerticalAlign), value))\r
  96                                 {\r
  97                                         throw new ArgumentException();\r
  98                                 }\r
  99                                 ViewState["VerticalAlign"] = value;\r
 100                                 Set(V_ALIGN);\r
 101                         }\r
 102                 }\r
 103 \r
 104                 [Bindable(true)]\r
 105                 [DefaultValue(VerticalAlign.NotSet)]\r
 106                 [NotifyParentProperty(true)]\r
 107                 [WebCategory("Layout")]\r
 108                 [WebSysDescription("TableItemStyle_Wrap")]\r
 109                 public virtual bool Wrap\r
 110                 {\r
 111                         get\r
 112                         {\r
 113                                 if(IsSet(WRAP))\r
 114                                         return (bool)ViewState["Wrap"];\r
 115                                 return true;\r
 116                         }\r
 117                         set\r
 118                         {\r
 119                                 ViewState["Wrap"] = value;\r
 120                                 Set(WRAP);\r
 121                         }\r
 122                 }\r
 123 \r
 124                 public override void CopyFrom(Style s)\r
 125                 {\r
 126                         if(s!=null && !s.IsEmpty)\r
 127                         {\r
 128                                 base.CopyFrom(s);\r
 129 \r
 130                                 if (!(s is TableItemStyle))\r
 131                                         return;\r
 132                                 \r
 133                                 TableItemStyle from = (TableItemStyle)s;\r
 134                                 if(from.IsSet(H_ALIGN))\r
 135                                 {\r
 136                                         HorizontalAlign = from.HorizontalAlign;\r
 137                                 }\r
 138                                 if(from.IsSet(V_ALIGN))\r
 139                                 {\r
 140                                         VerticalAlign = from.VerticalAlign;\r
 141                                 }\r
 142                                 if(from.IsSet(WRAP))\r
 143                                 {\r
 144                                         Wrap = from.Wrap;\r
 145                                 }\r
 146                         }\r
 147                 }\r
 148 \r
 149                 public override void MergeWith(Style s)\r
 150                 {\r
 151                         if(s!=null && !s.IsEmpty)\r
 152                         {\r
 153                                 if (IsEmpty) {\r
 154                                         CopyFrom (s);\r
 155                                         return;\r
 156                                 }\r
 157                                 base.MergeWith(s);\r
 158 \r
 159                                 if (!(s is TableItemStyle))\r
 160                                         return;\r
 161                                 \r
 162                                 TableItemStyle with = (TableItemStyle)s;\r
 163                                 if(with.IsSet(H_ALIGN) && !IsSet(H_ALIGN))\r
 164                                 {\r
 165                                         HorizontalAlign = with.HorizontalAlign;\r
 166                                 }\r
 167                                 if(with.IsSet(V_ALIGN) && !IsSet(V_ALIGN))\r
 168                                 {\r
 169                                         VerticalAlign = with.VerticalAlign;\r
 170                                 }\r
 171                                 if(with.IsSet(WRAP) && !IsSet(WRAP))\r
 172                                 {\r
 173                                         Wrap = with.Wrap;\r
 174                                 }\r
 175                         }\r
 176                 }\r
 177 \r
 178                 public override void Reset()\r
 179                 {\r
 180                         if(IsSet(H_ALIGN))\r
 181                                 ViewState.Remove("HorizontalAlign");\r
 182                         if(IsSet(V_ALIGN))\r
 183                                 ViewState.Remove("VerticalAlign");\r
 184                         if(IsSet(WRAP))\r
 185                                 ViewState.Remove("Wrap");\r
 186                         base.Reset();\r
 187                 }\r
 188 \r
 189                 public override void AddAttributesToRender(HtmlTextWriter writer, WebControl owner)\r
 190                 {\r
 191                         base.AddAttributesToRender(writer, owner);\r
 192                         if(!Wrap)\r
 193                         {\r
 194                                 writer.AddAttribute(HtmlTextWriterAttribute.Nowrap, "nowrap");\r
 195                         }\r
 196                         if(HorizontalAlign != HorizontalAlign.NotSet)\r
 197                         {\r
 198                                 // Temporarily commented out. I'm having problems in cygwin.\r
 199                                 //writer.AddAttribute(HtmlTextWriterAttribute.Align, TypeDescriptor.GetConverter(typeof(HorizontalAlign)).ConvertToString(HorizontalAlign));\r
 200                                 writer.AddAttribute(HtmlTextWriterAttribute.Align, HorizontalAlign.ToString ());\r
 201                         }\r
 202                         if(VerticalAlign != VerticalAlign.NotSet)\r
 203                         {\r
 204                                 // Temporarily commented out. I'm having problems in cygwin.\r
 205                                 //writer.AddAttribute(HtmlTextWriterAttribute.Valign, TypeDescriptor.GetConverter(typeof(VerticalAlign)).ConvertToString(VerticalAlign));\r
 206                                 writer.AddAttribute(HtmlTextWriterAttribute.Valign, VerticalAlign.ToString ());\r
 207                         }\r
 208                 }\r
 209         }\r
 210 }\r