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

   1 // Permission is hereby granted, free of charge, to any person obtaining
   2 // a copy of this software and associated documentation files (the
   3 // "Software"), to deal in the Software without restriction, including
   4 // without limitation the rights to use, copy, modify, merge, publish,
   5 // distribute, sublicense, and/or sell copies of the Software, and to
   6 // permit persons to whom the Software is furnished to do so, subject to
   7 // the following conditions:
   8 //
   9 // The above copyright notice and this permission notice shall be
  10 // included in all copies or substantial portions of the Software.
  11 //
  12 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  13 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  14 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  15 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  16 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  17 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  18 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  19 //
  20 // Copyright (c) 2005-2010 Novell, Inc. (http://www.novell.com)
  21 //
  22 // Authors:
  23 //      Peter Bartok    (pbartok@novell.com)
  24 //
  25 //
  26
  27 using System.ComponentModel;
  28 using System.Security.Permissions;
  29
  30 namespace System.Web.UI.WebControls
  31 {
  32         // CAS - no inheritance demand required because the class is sealed
  33         [AspNetHostingPermissionAttribute (SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
  34         public sealed class DataGridPagerStyle : TableItemStyle
  35         {
  36                 [Flags]
  37                 enum DataGridPagerStyles
  38                 {
  39                         Mode = 0x00100000,
  40                         NextPageText = 0x00200000,
  41                         PageButtonCount = 0x00400000,
  42                         Position = 0x00800000,
  43                         PrevPageText = 0x01000000,
  44                         Visible = 0x02000000
  45                 }
  46
  47                 #region Constructors
  48                 internal DataGridPagerStyle ()
  49                 {
  50                 }
  51                 #endregion      // Constructors
  52
  53                 #region Public Instance Properties
  54                 [DefaultValue(PagerMode.NextPrev)]
  55                 [NotifyParentProperty(true)]
  56                 [WebSysDescription ("")]
  57                 [WebCategory ("Misc")]
  58                 public PagerMode Mode {
  59                         get {
  60                                 if (!CheckBit ((int) DataGridPagerStyles.Mode))
  61                                         return PagerMode.NextPrev;
  62
  63                                 return (PagerMode)ViewState["Mode"];
  64                         }
  65
  66                         set {
  67                                 ViewState["Mode"] = value;
  68                                 SetBit ((int) DataGridPagerStyles.Mode);
  69                         }
  70                 }
  71
  72                 [Localizable (true)]
  73                 [DefaultValue("&gt;")]
  74                 [NotifyParentProperty(true)]
  75                 [WebSysDescription ("")]
  76                 [WebCategory ("Misc")]
  77                 public string NextPageText {
  78                         get {
  79                                 if (!CheckBit ((int) DataGridPagerStyles.NextPageText))
  80                                         return "&gt;";
  81
  82                                 return ViewState.GetString("NextPageText", "&gt;");
  83                         }
  84
  85                         set {
  86                                 ViewState["NextPageText"] = value;
  87                                 SetBit ((int) DataGridPagerStyles.NextPageText);
  88                         }
  89                 }
  90
  91                 [DefaultValue(10)]
  92                 [NotifyParentProperty(true)]
  93                 [WebSysDescription ("")]
  94                 [WebCategory ("Misc")]
  95                 public int PageButtonCount {
  96                         get {
  97                                 if (!CheckBit ((int) DataGridPagerStyles.PageButtonCount))
  98                                         return 10;
  99
 100                                 return ViewState.GetInt("PageButtonCount", 10);
 101                         }
 102
 103                         set {
 104                                 if (value < 1)
 105                                         throw new ArgumentOutOfRangeException("value", "PageButtonCount must be greater than 0");
 106
 107                                 ViewState["PageButtonCount"] = value;
 108                                 SetBit ((int) DataGridPagerStyles.PageButtonCount);
 109                         }
 110                 }
 111
 112                 [DefaultValue(PagerPosition.Bottom)]
 113                 [NotifyParentProperty(true)]
 114                 [WebSysDescription ("")]
 115                 [WebCategory ("Misc")]
 116                 public PagerPosition Position {
 117                         get {
 118                                 if (!CheckBit ((int) DataGridPagerStyles.Position))
 119                                         return PagerPosition.Bottom;
 120
 121                                 return (PagerPosition)ViewState["Position"];
 122                         }
 123
 124                         set {
 125                                 ViewState["Position"] = value;
 126                                 SetBit ((int) DataGridPagerStyles.Position);
 127                         }
 128                 }
 129
 130                 [Localizable (true)]
 131                 [DefaultValue("&lt;")]
 132                 [NotifyParentProperty(true)]
 133                 [WebSysDescription ("")]
 134                 [WebCategory ("Misc")]
 135                 public string PrevPageText {
 136                         get {
 137                                 if (!CheckBit ((int) DataGridPagerStyles.PrevPageText))
 138                                         return "&lt;";
 139
 140                                 return ViewState.GetString("PrevPageText", "&lt;");
 141                         }
 142
 143                         set {
 144                                 ViewState["PrevPageText"] = value;
 145                                 SetBit ((int) DataGridPagerStyles.PrevPageText);
 146                         }
 147                 }
 148
 149                 [DefaultValue(true)]
 150                 [NotifyParentProperty(true)]
 151                 [WebSysDescription ("")]
 152                 [WebCategory ("Misc")]
 153                 public bool Visible {
 154                         get {
 155                                 if (!CheckBit ((int) DataGridPagerStyles.Visible))
 156                                         return true;
 157
 158                                 return ViewState.GetBool("Visible", true);
 159                         }
 160
 161                         set {
 162                                 ViewState["Visible"] = value;
 163                                 SetBit ((int) DataGridPagerStyles.Visible);
 164                         }
 165                 }
 166                 #endregion      // Public Instance Properties
 167
 168                 #region Public Instance Methods
 169                 public override void CopyFrom(Style s)
 170                 {
 171                         base.CopyFrom (s);
 172
 173                         if (s == null || s.IsEmpty)
 174                                 return;
 175
 176                         if (s.CheckBit ((int) DataGridPagerStyles.Mode) && (((DataGridPagerStyle) s).Mode != PagerMode.NextPrev))
 177                                 this.Mode = ((DataGridPagerStyle)s).Mode;
 178
 179                         if (s.CheckBit ((int) DataGridPagerStyles.NextPageText) && (((DataGridPagerStyle) s).NextPageText != "&gt;"))
 180                                 this.NextPageText = ((DataGridPagerStyle)s).NextPageText;
 181
 182                         if (s.CheckBit ((int) DataGridPagerStyles.PageButtonCount) && (((DataGridPagerStyle) s).PageButtonCount != 10))
 183                                 this.PageButtonCount = ((DataGridPagerStyle)s).PageButtonCount;
 184
 185                         if (s.CheckBit ((int) DataGridPagerStyles.Position) && (((DataGridPagerStyle) s).Position != PagerPosition.Bottom))
 186                                 this.Position = ((DataGridPagerStyle)s).Position;
 187
 188                         if (s.CheckBit ((int) DataGridPagerStyles.PrevPageText) && (((DataGridPagerStyle) s).PrevPageText != "&lt;"))
 189                                 this.PrevPageText = ((DataGridPagerStyle)s).PrevPageText;
 190
 191                         if (s.CheckBit ((int) DataGridPagerStyles.Visible) && (((DataGridPagerStyle) s).Visible != true))
 192                                 this.Visible = ((DataGridPagerStyle)s).Visible;
 193                 }
 194
 195                 public override void MergeWith(Style s)
 196                 {
 197                         base.MergeWith (s);
 198
 199                         if (s == null || s.IsEmpty)
 200                                 return;
 201
 202                         if (!CheckBit ((int) DataGridPagerStyles.Mode) && s.CheckBit ((int) DataGridPagerStyles.Mode) && (((DataGridPagerStyle) s).Mode != PagerMode.NextPrev))
 203                                 this.Mode = ((DataGridPagerStyle)s).Mode;
 204
 205                         if (!CheckBit ((int) DataGridPagerStyles.NextPageText) && s.CheckBit ((int) DataGridPagerStyles.NextPageText) && (((DataGridPagerStyle) s).NextPageText != "&gt;"))
 206                                 this.NextPageText = ((DataGridPagerStyle)s).NextPageText;
 207
 208                         if (!CheckBit ((int) DataGridPagerStyles.PageButtonCount) && s.CheckBit ((int) DataGridPagerStyles.PageButtonCount) && (((DataGridPagerStyle) s).PageButtonCount != 10))
 209                                 this.PageButtonCount = ((DataGridPagerStyle)s).PageButtonCount;
 210
 211                         if (!CheckBit ((int) DataGridPagerStyles.Position) && s.CheckBit ((int) DataGridPagerStyles.Position) && (((DataGridPagerStyle) s).Position != PagerPosition.Bottom))
 212                                 this.Position = ((DataGridPagerStyle)s).Position;
 213
 214                         if (!CheckBit ((int) DataGridPagerStyles.PrevPageText) && s.CheckBit ((int) DataGridPagerStyles.PrevPageText) && (((DataGridPagerStyle) s).PrevPageText != "&lt;"))
 215                                 this.PrevPageText = ((DataGridPagerStyle)s).PrevPageText;
 216
 217                         if (!CheckBit ((int) DataGridPagerStyles.Visible) && s.CheckBit ((int) DataGridPagerStyles.Visible) && (((DataGridPagerStyle) s).Visible != true))
 218                                 this.Visible = ((DataGridPagerStyle)s).Visible;
 219                 }
 220
 221                 public override void Reset ()
 222                 {
 223                         // We call base.Reset(), we don't need this
 224                         //styles &= ~(Styles.Mode | Styles.NextPageText | Styles.PageButtonCount | Styles.Position | Styles.PrevPageText | Styles.Visible);
 225
 226                         ViewState.Remove("Mode");
 227                         ViewState.Remove("NextPageText");
 228                         ViewState.Remove("PageButtonCount");
 229                         ViewState.Remove("Position");
 230                         ViewState.Remove("PrevPageText");
 231                         ViewState.Remove("Visible");
 232
 233                         base.Reset ();
 234                 }
 235                 #endregion      // Public Instance Methods
 236         }
 237 }