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 class MenuItemStyle: Style
  40         {
  41                 private static int HORZ_PADD = (0x01 << 16);
  42                 private static int SPACING = (0x01 << 17);
  43                 private static int VERT_PADD = (0x01 << 18);
  44
  45                 [DefaultValue (0)]
  46                 [NotifyParentProperty (true)]
  47                 public int HorizontalPadding {
  48                         get {
  49                                 if(IsSet(HORZ_PADD))
  50                                         return (int)(ViewState["HorizontalPadding"]);
  51                                 return 0;
  52                         }
  53                         set {
  54                                 ViewState["HorizontalPadding"] = value;
  55                                 Set(HORZ_PADD);
  56                         }
  57                 }
  58
  59                 [DefaultValue (0)]
  60                 [NotifyParentProperty (true)]
  61                 public int VerticalPadding {
  62                         get {
  63                                 if(IsSet(VERT_PADD))
  64                                         return (int)(ViewState["VerticalPadding"]);
  65                                 return 0;
  66                         }
  67                         set {
  68                                 ViewState["VerticalPadding"] = value;
  69                                 Set(VERT_PADD);
  70                         }
  71                 }
  72
  73                 [DefaultValue (0)]
  74                 [NotifyParentProperty (true)]
  75                 public int ItemSpacing {
  76                         get {
  77                                 if(IsSet(SPACING))
  78                                         return (int)(ViewState["ItemSpacing"]);
  79                                 return 0;
  80                         }
  81                         set {
  82                                 ViewState["ItemSpacing"] = value;
  83                                 Set(SPACING);
  84                         }
  85                 }
  86
  87                 protected internal override bool IsEmpty {
  88                         get { return base.IsEmpty; }
  89                 }
  90
  91                 public override void CopyFrom (Style s)
  92                 {
  93                         if (s == null || s.IsEmpty)
  94                                 return;
  95
  96                         base.CopyFrom (s);
  97                         MenuItemStyle from = s as MenuItemStyle;
  98                         if (from == null)
  99                                 return;
 100
 101                         if (from.IsSet (HORZ_PADD))
 102                                 HorizontalPadding = from.HorizontalPadding;
 103
 104                         if (from.IsSet (SPACING))
 105                                 ItemSpacing = from.ItemSpacing;
 106
 107                         if (from.IsSet (VERT_PADD))
 108                                 VerticalPadding = from.VerticalPadding;
 109                 }
 110
 111                 public override void MergeWith(Style s)
 112                 {
 113                         if(s != null && !s.IsEmpty)
 114                         {
 115                                 if (IsEmpty) {
 116                                         CopyFrom (s);
 117                                         return;
 118                                 }
 119                                 base.MergeWith(s);
 120
 121                                 MenuItemStyle with = s as MenuItemStyle;
 122                                 if (with == null) return;
 123
 124                                 if (with.IsSet(HORZ_PADD) && !IsSet(HORZ_PADD)) {
 125                                         HorizontalPadding = with.HorizontalPadding;
 126                                 }
 127                                 if (with.IsSet(SPACING) && !IsSet(SPACING)) {
 128                                         ItemSpacing = with.ItemSpacing;
 129                                 }
 130                                 if (with.IsSet(VERT_PADD) && !IsSet(VERT_PADD)) {
 131                                         VerticalPadding = with.VerticalPadding;
 132                                 }
 133                         }
 134                 }
 135
 136                 public override void Reset()
 137                 {
 138                         if(IsSet(HORZ_PADD))
 139                                 ViewState.Remove("HorizontalPadding");
 140                         if(IsSet(SPACING))
 141                                 ViewState.Remove("ItemSpacing");
 142                         if(IsSet(VERT_PADD))
 143                                 ViewState.Remove("VerticalPadding");
 144                         base.Reset();
 145                 }
 146         }
 147 }
 148
 149 #endif