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

   1 //
   2 // System.Web.UI.WebControls.FontUnit.cs
   3 //
   4 // Authors:
   5 //   Miguel de Icaza (miguel@novell.com)
   6 //   Ben Maurer (bmaurer@ximian.com).
   7 //
   8 // Copyright (C) 2005-2010 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.Threading;
  31 using System.Globalization;
  32 using System.ComponentModel;
  33 using System.Security.Permissions;
  34 using System.Web.Util;
  35
  36 namespace System.Web.UI.WebControls
  37 {
  38         [TypeConverter  (typeof (FontUnitConverter))]
  39         [Serializable]
  40         public struct FontUnit
  41         {
  42                 FontSize type;
  43                 Unit unit;
  44
  45                 public static readonly FontUnit Empty;
  46                 public static readonly FontUnit Smaller = new FontUnit (FontSize.Smaller);
  47                 public static readonly FontUnit Larger = new FontUnit (FontSize.Larger);
  48                 public static readonly FontUnit XXSmall = new FontUnit (FontSize.XXSmall);
  49                 public static readonly FontUnit XSmall = new FontUnit (FontSize.XSmall);
  50                 public static readonly FontUnit Small = new FontUnit (FontSize.Small);
  51                 public static readonly FontUnit Medium = new FontUnit (FontSize.Medium);
  52                 public static readonly FontUnit Large = new FontUnit (FontSize.Large);
  53                 public static readonly FontUnit XLarge = new FontUnit (FontSize.XLarge);
  54                 public static readonly FontUnit XXLarge = new FontUnit (FontSize.XXLarge);
  55
  56                 static string [] font_size_names = new string [] {null, null, "Smaller", "Larger", "XX-Small", "X-Small", "Small",
  57                                                                   "Medium", "Large", "X-Large", "XX-Large" };
  58
  59                 public FontUnit (FontSize type)
  60                 {
  61                         int t = (int) type;
  62
  63                         if (t < 0 || t > (int)FontSize.XXLarge)
  64                                 throw new ArgumentOutOfRangeException ("type");
  65
  66                         this.type = type;
  67
  68                         if (type == FontSize.AsUnit)
  69                                 unit = new Unit (10, UnitType.Point);
  70                         else
  71                                 unit = Unit.Empty;
  72                 }
  73
  74                 public FontUnit (int value) : this (new Unit (value, UnitType.Point))
  75                 {
  76                 }
  77
  78                 public FontUnit (double value) : this (new Unit (value, UnitType.Point))
  79                 {
  80                 }
  81
  82                 public FontUnit (double value, UnitType type) : this (new Unit (value, type))
  83                 {
  84                 }
  85
  86                 public FontUnit (Unit value)
  87                 {
  88                         type = FontSize.AsUnit;
  89                         unit = value;
  90                 }
  91
  92                 public FontUnit (string value) : this (value, Thread.CurrentThread.CurrentCulture)
  93                 {}
  94
  95                 public FontUnit (string value, CultureInfo culture)
  96                 {
  97                         if (String.IsNullOrEmpty (value)) {
  98                                 type = FontSize.NotSet;
  99                                 unit = Unit.Empty;
 100                                 return;
 101                         }
 102
 103                         switch (value.ToLower (Helpers.InvariantCulture)) {
 104                                 case "smaller":
 105                                         type = FontSize.Smaller;
 106                                         break;
 107                                 case "larger":
 108                                         type = FontSize.Larger;
 109                                         break;
 110                                 case "xxsmall":
 111                                         type = FontSize.XXSmall;
 112                                         break;
 113                                 case "xx-small":
 114                                         type = FontSize.XXSmall;
 115                                         break;
 116                                 case "xsmall":
 117                                         type = FontSize.XSmall;
 118                                         break;
 119                                 case "x-small":
 120                                         type = FontSize.XSmall;
 121                                         break;
 122                                 case "small":
 123                                         type = FontSize.Small;
 124                                         break;
 125                                 case "medium":
 126                                         type = FontSize.Medium;
 127                                         break;
 128                                 case "large":
 129                                         type = FontSize.Large;
 130                                         break;
 131                                 case "xlarge":
 132                                         type = FontSize.XLarge;
 133                                         break;
 134                                 case "x-large":
 135                                         type = FontSize.XLarge;
 136                                         break;
 137                                 case "xxlarge":
 138                                         type = FontSize.XXLarge;
 139                                         break;
 140                                 case "xx-large":
 141                                         type = FontSize.XXLarge;
 142                                         break;
 143                                 default:
 144                                         type = FontSize.AsUnit;
 145                                         unit = new Unit (value, culture);
 146                                         return;
 147                         }
 148                         unit = Unit.Empty;
 149                 }
 150
 151                 public bool IsEmpty {
 152                         get { return type == FontSize.NotSet; }
 153                 }
 154
 155                 public FontSize Type {
 156                         get { return type; }
 157                 }
 158
 159                 public Unit Unit {
 160                         get { return unit; }
 161                 }
 162
 163                 public static FontUnit Parse (string s)
 164                 {
 165                         return new FontUnit (s);
 166                 }
 167
 168                 public static FontUnit Parse (string s, CultureInfo culture)
 169                 {
 170                         return new FontUnit (s, culture);
 171                 }
 172
 173                 public static FontUnit Point (int n)
 174                 {
 175                         return new FontUnit (n);
 176                 }
 177
 178                 public override bool Equals (object obj)
 179                 {
 180                         if (obj is FontUnit) {
 181                                 FontUnit other = (FontUnit) obj;
 182                                 return (other.type == type && other.unit == unit);
 183                         }
 184                         return false;
 185                 }
 186
 187                 public override int GetHashCode ()
 188                 {
 189                         return type.GetHashCode () ^ unit.GetHashCode ();
 190                 }
 191
 192                 public static bool operator == (FontUnit left, FontUnit right)
 193                 {
 194                         return left.type == right.type && left.unit == right.unit;
 195                 }
 196
 197                 public static bool operator != (FontUnit left, FontUnit right)
 198                 {
 199                         return left.type != right.type || left.unit != right.unit;
 200                 }
 201
 202                 public static implicit operator FontUnit (int n)
 203                 {
 204                         return new FontUnit (n);
 205                 }
 206
 207                 public string ToString (IFormatProvider formatProvider)
 208                 {
 209                         if (type == FontSize.NotSet)
 210                                 return String.Empty;
 211                         else if (type == FontSize.AsUnit)
 212                                 return unit.ToString (formatProvider);
 213                         else
 214                                 return font_size_names [(int) type];
 215                 }
 216
 217                 public string ToString (CultureInfo culture)
 218                 {
 219                         if (type == FontSize.NotSet)
 220                                 return String.Empty;
 221
 222                         if (type == FontSize.AsUnit)
 223                                 return unit.ToString (culture);
 224
 225                         return font_size_names [(int) type];
 226                 }
 227
 228                 public override string ToString ()
 229                 {
 230                         return ToString (CultureInfo.CurrentCulture);
 231                 }
 232         }
 233 }
 234