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

   1 //
   2 // System.Web.UI.WebControls.MenuItemStyle.cs
   3 //
   4 // Authors:
   5 //      Lluis Sanchez Gual (lluis@novell.com)
   6 //
   7 // (C) 2004 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 // Copyright (C) 2004 Novell, Inc (http://www.novell.com)
  29 //
  30
  31 #if NET_2_0
  32
  33 using System;
  34 using System.Web.UI;
  35 using System.ComponentModel;
  36
  37 namespace System.Web.UI.WebControls
  38 {
  39         public sealed class MenuItemStyle: Style
  40         {
  41                 [Flags]
  42                 enum MenuItemStyles
  43                 {
  44                         HorizontalPadding = 0x00010000,
  45                         VerticalPadding = 0x00020000,
  46                         ItemSpacing = 0x00040000,
  47                 }
  48
  49                 public MenuItemStyle ()
  50                         : base ()
  51                 {
  52                 }
  53
  54                 public MenuItemStyle (StateBag bag)
  55                         : base (bag)
  56                 {
  57                 }
  58
  59                 [DefaultValue (typeof (Unit), "")]
  60                 [NotifyParentProperty (true)]
  61                 public Unit HorizontalPadding {
  62                         get {
  63                                 if (CheckBit ((int) MenuItemStyles.HorizontalPadding))
  64                                         return (Unit) (ViewState ["HorizontalPadding"]);
  65                                 return Unit.Empty;
  66                         }
  67                         set {
  68                                 ViewState["HorizontalPadding"] = value;
  69                                 SetBit ((int) MenuItemStyles.HorizontalPadding);
  70                         }
  71                 }
  72
  73                 [DefaultValue (typeof (Unit), "")]
  74                 [NotifyParentProperty (true)]
  75                 public Unit VerticalPadding {
  76                         get {
  77                                 if (CheckBit ((int) MenuItemStyles.VerticalPadding))
  78                                         return (Unit) (ViewState ["VerticalPadding"]);
  79                                 return Unit.Empty;
  80                         }
  81                         set {
  82                                 ViewState["VerticalPadding"] = value;
  83                                 SetBit ((int) MenuItemStyles.VerticalPadding);
  84                         }
  85                 }
  86
  87                 [DefaultValue (typeof (Unit), "")]
  88                 [NotifyParentProperty (true)]
  89                 public Unit ItemSpacing {
  90                         get {
  91                                 if (CheckBit ((int) MenuItemStyles.ItemSpacing))
  92                                         return (Unit) (ViewState ["ItemSpacing"]);
  93                                 return Unit.Empty;
  94                         }
  95                         set {
  96                                 ViewState["ItemSpacing"] = value;
  97                                 SetBit ((int) MenuItemStyles.ItemSpacing);
  98                         }
  99                 }
 100
 101                 public override void CopyFrom (Style s)
 102                 {
 103                         if (s == null || s.IsEmpty)
 104                                 return;
 105
 106                         base.CopyFrom (s);
 107                         MenuItemStyle from = s as MenuItemStyle;
 108                         if (from == null)
 109                                 return;
 110
 111                         if (from.CheckBit ((int) MenuItemStyles.HorizontalPadding))
 112                                 HorizontalPadding = from.HorizontalPadding;
 113
 114                         if (from.CheckBit ((int) MenuItemStyles.ItemSpacing))
 115                                 ItemSpacing = from.ItemSpacing;
 116
 117                         if (from.CheckBit ((int) MenuItemStyles.VerticalPadding))
 118                                 VerticalPadding = from.VerticalPadding;
 119                 }
 120
 121                 public override void MergeWith(Style s)
 122                 {
 123                         if ((s == null) || (s.IsEmpty))
 124                                 return;
 125
 126                         base.MergeWith (s);
 127                         MenuItemStyle with = s as MenuItemStyle;
 128                         if (with == null)
 129                                 return;
 130
 131                         if (!CheckBit ((int) MenuItemStyles.HorizontalPadding) && with.CheckBit ((int) MenuItemStyles.HorizontalPadding))
 132                                 HorizontalPadding = with.HorizontalPadding;
 133
 134                         if (!CheckBit ((int) MenuItemStyles.ItemSpacing) && with.CheckBit ((int) MenuItemStyles.ItemSpacing))
 135                                 ItemSpacing = with.ItemSpacing;
 136
 137                         if (!CheckBit ((int) MenuItemStyles.VerticalPadding) && with.CheckBit ((int) MenuItemStyles.VerticalPadding))
 138                                 VerticalPadding = with.VerticalPadding;
 139
 140                 }
 141
 142                 public override void Reset()
 143                 {
 144                         ViewState.Remove ("HorizontalPadding");
 145                         ViewState.Remove ("ItemSpacing");
 146                         ViewState.Remove ("VerticalPadding");
 147                         base.Reset();
 148                 }
 149
 150                 protected override void FillStyleAttributes (CssStyleCollection attributes, IUrlResolutionService urlResolver)
 151                 {
 152                         base.FillStyleAttributes (attributes, urlResolver);
 153                         if (CheckBit ((int) MenuItemStyles.HorizontalPadding)) {
 154                                 attributes.Add (HtmlTextWriterStyle.PaddingLeft, HorizontalPadding.ToString ());
 155                                 attributes.Add (HtmlTextWriterStyle.PaddingRight, HorizontalPadding.ToString ());
 156                         }
 157                         if (CheckBit ((int) MenuItemStyles.VerticalPadding)) {
 158                                 attributes.Add (HtmlTextWriterStyle.PaddingTop, VerticalPadding.ToString ());
 159                                 attributes.Add (HtmlTextWriterStyle.PaddingBottom, VerticalPadding.ToString ());
 160                         }
 161                 }
 162         }
 163 }
 164
 165 #endif