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 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                 #endregion      // Constructors
  51
  52                 #region Public Instance Properties
  53 #if ONLY_1_1
  54                 [Bindable(true)]
  55 #endif
  56                 [DefaultValue(PagerMode.NextPrev)]
  57                 [NotifyParentProperty(true)]
  58                 [WebSysDescription ("")]
  59                 [WebCategory ("Misc")]
  60                 public PagerMode Mode {
  61                         get {
  62                                 if (!CheckBit ((int) DataGridPagerStyles.Mode)) {
  63                                         return PagerMode.NextPrev;
  64                                 }
  65
  66                                 return (PagerMode)ViewState["Mode"];
  67                         }
  68
  69                         set {
  70                                 ViewState["Mode"] = value;
  71                                 SetBit ((int) DataGridPagerStyles.Mode);
  72                         }
  73                 }
  74
  75 #if NET_2_0
  76                 [Localizable (true)]
  77 #else
  78                 [Bindable(true)]
  79 #endif
  80                 [DefaultValue("&gt;")]
  81                 [NotifyParentProperty(true)]
  82                 [WebSysDescription ("")]
  83                 [WebCategory ("Misc")]
  84                 public string NextPageText {
  85                         get {
  86                                 if (!CheckBit ((int) DataGridPagerStyles.NextPageText)) {
  87                                         return "&gt;";
  88                                 }
  89
  90                                 return ViewState.GetString("NextPageText", "&gt;");
  91                         }
  92
  93                         set {
  94                                 ViewState["NextPageText"] = value;
  95                                 SetBit ((int) DataGridPagerStyles.NextPageText);
  96                         }
  97                 }
  98
  99 #if ONLY_1_1
 100                 [Bindable(true)]
 101 #endif
 102                 [DefaultValue(10)]
 103                 [NotifyParentProperty(true)]
 104                 [WebSysDescription ("")]
 105                 [WebCategory ("Misc")]
 106                 public int PageButtonCount {
 107                         get {
 108                                 if (!CheckBit ((int) DataGridPagerStyles.PageButtonCount)) {
 109                                         return 10;
 110                                 }
 111
 112                                 return ViewState.GetInt("PageButtonCount", 10);
 113                         }
 114
 115                         set {
 116                                 if (value < 1) {
 117                                         throw new ArgumentOutOfRangeException("value", "PageButtonCount must be greater than 0");
 118                                 }
 119
 120                                 ViewState["PageButtonCount"] = value;
 121                                 SetBit ((int) DataGridPagerStyles.PageButtonCount);
 122                         }
 123                 }
 124
 125 #if ONLY_1_1
 126                 [Bindable(true)]
 127 #endif
 128                 [DefaultValue(PagerPosition.Bottom)]
 129                 [NotifyParentProperty(true)]
 130                 [WebSysDescription ("")]
 131                 [WebCategory ("Misc")]
 132                 public PagerPosition Position {
 133                         get {
 134                                 if (!CheckBit ((int) DataGridPagerStyles.Position)) {
 135                                         return PagerPosition.Bottom;
 136                                 }
 137
 138                                 return (PagerPosition)ViewState["Position"];
 139                         }
 140
 141                         set {
 142                                 ViewState["Position"] = value;
 143                                 SetBit ((int) DataGridPagerStyles.Position);
 144                         }
 145                 }
 146
 147 #if NET_2_0
 148                 [Localizable (true)]
 149 #else
 150                 [Bindable(true)]
 151 #endif
 152                 [DefaultValue("&lt;")]
 153                 [NotifyParentProperty(true)]
 154                 [WebSysDescription ("")]
 155                 [WebCategory ("Misc")]
 156                 public string PrevPageText {
 157                         get {
 158                                 if (!CheckBit ((int) DataGridPagerStyles.PrevPageText)) {
 159                                         return "&lt;";
 160                                 }
 161
 162                                 return ViewState.GetString("PrevPageText", "&lt;");
 163                         }
 164
 165                         set {
 166                                 ViewState["PrevPageText"] = value;
 167                                 SetBit ((int) DataGridPagerStyles.PrevPageText);
 168                         }
 169                 }
 170
 171 #if ONLY_1_1
 172                 [Bindable(true)]
 173 #endif
 174                 [DefaultValue(true)]
 175                 [NotifyParentProperty(true)]
 176                 [WebSysDescription ("")]
 177                 [WebCategory ("Misc")]
 178                 public bool Visible {
 179                         get {
 180                                 if (!CheckBit ((int) DataGridPagerStyles.Visible)) {
 181                                         return true;
 182                                 }
 183
 184                                 return ViewState.GetBool("Visible", true);
 185                         }
 186
 187                         set {
 188                                 ViewState["Visible"] = value;
 189                                 SetBit ((int) DataGridPagerStyles.Visible);
 190                         }
 191                 }
 192                 #endregion      // Public Instance Properties
 193
 194                 #region Public Instance Methods
 195                 public override void CopyFrom(Style s) {
 196                         base.CopyFrom (s);
 197
 198                         if (s == null || s.IsEmpty) {
 199                                 return;
 200                         }
 201
 202                         if (s.CheckBit ((int) DataGridPagerStyles.Mode) && (((DataGridPagerStyle) s).Mode != PagerMode.NextPrev)) {
 203                                 this.Mode = ((DataGridPagerStyle)s).Mode;
 204                         }
 205
 206                         if (s.CheckBit ((int) DataGridPagerStyles.NextPageText) && (((DataGridPagerStyle) s).NextPageText != "&gt;")) {
 207                                 this.NextPageText = ((DataGridPagerStyle)s).NextPageText;
 208                         }
 209
 210                         if (s.CheckBit ((int) DataGridPagerStyles.PageButtonCount) && (((DataGridPagerStyle) s).PageButtonCount != 10)) {
 211                                 this.PageButtonCount = ((DataGridPagerStyle)s).PageButtonCount;
 212                         }
 213
 214                         if (s.CheckBit ((int) DataGridPagerStyles.Position) && (((DataGridPagerStyle) s).Position != PagerPosition.Bottom)) {
 215                                 this.Position = ((DataGridPagerStyle)s).Position;
 216                         }
 217
 218                         if (s.CheckBit ((int) DataGridPagerStyles.PrevPageText) && (((DataGridPagerStyle) s).PrevPageText != "&lt;")) {
 219                                 this.PrevPageText = ((DataGridPagerStyle)s).PrevPageText;
 220                         }
 221
 222                         if (s.CheckBit ((int) DataGridPagerStyles.Visible) && (((DataGridPagerStyle) s).Visible != true)) {
 223                                 this.Visible = ((DataGridPagerStyle)s).Visible;
 224                         }
 225
 226                 }
 227
 228                 public override void MergeWith(Style s) {
 229                         base.MergeWith (s);
 230
 231                         if (s == null || s.IsEmpty) {
 232                                 return;
 233                         }
 234
 235                         if (!CheckBit ((int) DataGridPagerStyles.Mode) && s.CheckBit ((int) DataGridPagerStyles.Mode) && (((DataGridPagerStyle) s).Mode != PagerMode.NextPrev)) {
 236                                 this.Mode = ((DataGridPagerStyle)s).Mode;
 237                         }
 238
 239                         if (!CheckBit ((int) DataGridPagerStyles.NextPageText) && s.CheckBit ((int) DataGridPagerStyles.NextPageText) && (((DataGridPagerStyle) s).NextPageText != "&gt;")) {
 240                                 this.NextPageText = ((DataGridPagerStyle)s).NextPageText;
 241                         }
 242
 243                         if (!CheckBit ((int) DataGridPagerStyles.PageButtonCount) && s.CheckBit ((int) DataGridPagerStyles.PageButtonCount) && (((DataGridPagerStyle) s).PageButtonCount != 10)) {
 244                                 this.PageButtonCount = ((DataGridPagerStyle)s).PageButtonCount;
 245                         }
 246
 247                         if (!CheckBit ((int) DataGridPagerStyles.Position) && s.CheckBit ((int) DataGridPagerStyles.Position) && (((DataGridPagerStyle) s).Position != PagerPosition.Bottom)) {
 248                                 this.Position = ((DataGridPagerStyle)s).Position;
 249                         }
 250
 251                         if (!CheckBit ((int) DataGridPagerStyles.PrevPageText) && s.CheckBit ((int) DataGridPagerStyles.PrevPageText) && (((DataGridPagerStyle) s).PrevPageText != "&lt;")) {
 252                                 this.PrevPageText = ((DataGridPagerStyle)s).PrevPageText;
 253                         }
 254
 255                         if (!CheckBit ((int) DataGridPagerStyles.Visible) && s.CheckBit ((int) DataGridPagerStyles.Visible) && (((DataGridPagerStyle) s).Visible != true)) {
 256                                 this.Visible = ((DataGridPagerStyle)s).Visible;
 257                         }
 258                 }
 259
 260                 public override void Reset() {
 261                         // We call base.Reset(), we don't need this
 262                         //styles &= ~(Styles.Mode | Styles.NextPageText | Styles.PageButtonCount | Styles.Position | Styles.PrevPageText | Styles.Visible);
 263
 264                         ViewState.Remove("Mode");
 265                         ViewState.Remove("NextPageText");
 266                         ViewState.Remove("PageButtonCount");
 267                         ViewState.Remove("Position");
 268                         ViewState.Remove("PrevPageText");
 269                         ViewState.Remove("Visible");
 270
 271                         base.Reset ();
 272                 }
 273
 274                 internal override void LoadViewStateInternal()
 275                 {
 276                         if (viewstate["Mode"] != null) {
 277                                 SetBit ((int) DataGridPagerStyles.Mode);
 278                         }
 279                         if (viewstate["NextPageText"] != null) {
 280                                 SetBit ((int) DataGridPagerStyles.NextPageText);
 281                         }
 282                         if (viewstate["PageButtonCount"] != null) {
 283                                 SetBit ((int) DataGridPagerStyles.PageButtonCount);
 284                         }
 285                         if (viewstate["Position"] != null) {
 286                                 SetBit ((int) DataGridPagerStyles.Position);
 287                         }
 288                         if (viewstate["PrevPageText"] != null) {
 289                                 SetBit ((int) DataGridPagerStyles.PrevPageText);
 290                         }
 291                         if (viewstate["Visible"] != null) {
 292                                 SetBit ((int) DataGridPagerStyles.Visible);
 293                         }
 294
 295                         base.LoadViewStateInternal();
 296                 }
 297                 #endregion      // Public Instance Methods
 298         }
 299 }