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
  29 namespace System.Web.UI.WebControls {
  30         public sealed class DataGridPagerStyle : TableItemStyle {
  31                 #region Constructors
  32                 internal DataGridPagerStyle () {
  33                 }
  34                 #endregion      // Constructors
  35
  36                 #region Public Instance Properties
  37                 [Bindable(true)]
  38                 [DefaultValue(PagerMode.NextPrev)]
  39                 [NotifyParentProperty(true)]
  40                 [WebSysDescription ("")]
  41                 [WebCategory ("Misc")]
  42                 public PagerMode Mode {
  43                         get {
  44                                 if ((styles & Styles.Mode) == 0) {
  45                                         return PagerMode.NextPrev;
  46                                 }
  47
  48                                 return (PagerMode)ViewState["Mode"];
  49                         }
  50
  51                         set {
  52                                 styles |= Styles.Mode;
  53                                 ViewState["Mode"] = value;
  54                         }
  55                 }
  56
  57                 [Bindable(true)]
  58                 [DefaultValue("&gt;")]
  59                 [NotifyParentProperty(true)]
  60                 [WebSysDescription ("")]
  61                 [WebCategory ("Misc")]
  62                 public string NextPageText {
  63                         get {
  64                                 if ((styles & Styles.NextPageText) == 0) {
  65                                         return "&gt;";
  66                                 }
  67
  68                                 return ViewState.GetString("NextPageText", "&gt;");
  69                         }
  70
  71                         set {
  72                                 styles |= Styles.NextPageText;
  73                                 ViewState["NextPageText"] = value;
  74                         }
  75                 }
  76
  77                 [Bindable(true)]
  78                 [DefaultValue(10)]
  79                 [NotifyParentProperty(true)]
  80                 [WebSysDescription ("")]
  81                 [WebCategory ("Misc")]
  82                 public int PageButtonCount {
  83                         get {
  84                                 if ((styles & Styles.PageButtonCount) == 0) {
  85                                         return 10;
  86                                 }
  87
  88                                 return ViewState.GetInt("PageButtonCount", 10);
  89                         }
  90
  91                         set {
  92                                 if (value < 1) {
  93                                         throw new ArgumentOutOfRangeException("value", "PageButtonCount must be greater than 0");
  94                                 }
  95
  96                                 styles |= Styles.PageButtonCount;
  97                                 ViewState["PageButtonCount"] = value;
  98                         }
  99                 }
 100
 101                 [Bindable(true)]
 102                 [DefaultValue(PagerPosition.Bottom)]
 103                 [NotifyParentProperty(true)]
 104                 [WebSysDescription ("")]
 105                 [WebCategory ("Misc")]
 106                 public PagerPosition Position {
 107                         get {
 108                                 if ((styles & Styles.Position) == 0) {
 109                                         return PagerPosition.Bottom;
 110                                 }
 111
 112                                 return (PagerPosition)ViewState["Position"];
 113                         }
 114
 115                         set {
 116                                 styles |= Styles.Position;
 117                                 ViewState["Position"] = value;
 118                         }
 119                 }
 120
 121                 [Bindable(true)]
 122                 [DefaultValue("&lt;")]
 123                 [NotifyParentProperty(true)]
 124                 [WebSysDescription ("")]
 125                 [WebCategory ("Misc")]
 126                 public string PrevPageText {
 127                         get {
 128                                 if ((styles & Styles.NextPageText) == 0) {
 129                                         return "&lt;";
 130                                 }
 131
 132                                 return ViewState.GetString("PrevPageText", "&lt;");
 133                         }
 134
 135                         set {
 136                                 styles |= Styles.PrevPageText;
 137                                 ViewState["PrevPageText"] = value;
 138                         }
 139                 }
 140
 141                 [Bindable(true)]
 142                 [DefaultValue(true)]
 143                 [NotifyParentProperty(true)]
 144                 [WebSysDescription ("")]
 145                 [WebCategory ("Misc")]
 146                 public bool Visible {
 147                         get {
 148                                 if ((styles & Styles.Visible) == 0) {
 149                                         return true;
 150                                 }
 151
 152                                 return ViewState.GetBool("Visible", true);
 153                         }
 154
 155                         set {
 156                                 styles |= Styles.Visible;
 157                                 ViewState["Visible"] = value;
 158                         }
 159                 }
 160                 #endregion      // Public Instance Properties
 161
 162                 #region Public Instance Methods
 163                 public override void CopyFrom(Style s) {
 164                         base.CopyFrom (s);
 165
 166                         if (s == null || s.IsEmpty) {
 167                                 return;
 168                         }
 169
 170                         if (((s.styles & Styles.Mode) != 0) && (((DataGridPagerStyle)s).Mode != PagerMode.NextPrev)) {
 171                                 this.Mode = ((DataGridPagerStyle)s).Mode;
 172                         }
 173
 174                         if (((s.styles & Styles.NextPageText) != 0) && (((DataGridPagerStyle)s).NextPageText != "&gt;")) {
 175                                 this.NextPageText = ((DataGridPagerStyle)s).NextPageText;
 176                         }
 177
 178                         if (((s.styles & Styles.PageButtonCount) != 0) && (((DataGridPagerStyle)s).PageButtonCount != 10)) {
 179                                 this.PageButtonCount = ((DataGridPagerStyle)s).PageButtonCount;
 180                         }
 181
 182                         if (((s.styles & Styles.Position) != 0) && (((DataGridPagerStyle)s).Position != PagerPosition.Bottom)) {
 183                                 this.Position = ((DataGridPagerStyle)s).Position;
 184                         }
 185
 186                         if (((s.styles & Styles.PrevPageText) != 0) && (((DataGridPagerStyle)s).PrevPageText != "&lt;")) {
 187                                 this.PrevPageText = ((DataGridPagerStyle)s).PrevPageText;
 188                         }
 189
 190                         if (((s.styles & Styles.Visible) != 0) && (((DataGridPagerStyle)s).Visible != true)) {
 191                                 this.Visible = ((DataGridPagerStyle)s).Visible;
 192                         }
 193
 194                 }
 195
 196                 public override void MergeWith(Style s) {
 197                         base.MergeWith (s);
 198
 199                         if (s == null || s.IsEmpty) {
 200                                 return;
 201                         }
 202
 203                         if (((styles & Styles.Mode) == 0) && ((s.styles & Styles.Mode) != 0) && (((DataGridPagerStyle)s).Mode != PagerMode.NextPrev)) {
 204                                 this.Mode = ((DataGridPagerStyle)s).Mode;
 205                         }
 206
 207                         if (((styles & Styles.NextPageText) == 0) && ((s.styles & Styles.NextPageText) != 0) && (((DataGridPagerStyle)s).NextPageText != "&gt;")) {
 208                                 this.NextPageText = ((DataGridPagerStyle)s).NextPageText;
 209                         }
 210
 211                         if (((styles & Styles.PageButtonCount) == 0) && ((s.styles & Styles.PageButtonCount) != 0) && (((DataGridPagerStyle)s).PageButtonCount != 10)) {
 212                                 this.PageButtonCount = ((DataGridPagerStyle)s).PageButtonCount;
 213                         }
 214
 215                         if (((styles & Styles.Position) == 0) && ((s.styles & Styles.Position) != 0) && (((DataGridPagerStyle)s).Position != PagerPosition.Bottom)) {
 216                                 this.Position = ((DataGridPagerStyle)s).Position;
 217                         }
 218
 219                         if (((styles & Styles.PrevPageText) == 0) && ((s.styles & Styles.PrevPageText) != 0) && (((DataGridPagerStyle)s).PrevPageText != "&lt;")) {
 220                                 this.PrevPageText = ((DataGridPagerStyle)s).PrevPageText;
 221                         }
 222
 223                         if (((styles & Styles.Visible) == 0) && ((s.styles & Styles.Visible) != 0) && (((DataGridPagerStyle)s).Visible != true)) {
 224                                 this.Visible = ((DataGridPagerStyle)s).Visible;
 225                         }
 226                 }
 227
 228                 public override void Reset() {
 229                         // We call base.Reset(), we don't need this
 230                         //styles &= ~(Styles.Mode | Styles.NextPageText | Styles.PageButtonCount | Styles.Position | Styles.PrevPageText | Styles.Visible);
 231
 232                         ViewState.Remove("Mode");
 233                         ViewState.Remove("NextPageText");
 234                         ViewState.Remove("PageButtonCount");
 235                         ViewState.Remove("Position");
 236                         ViewState.Remove("PrevPageText");
 237                         ViewState.Remove("Visible");
 238
 239                         base.Reset ();
 240                 }
 241
 242                 internal override void LoadViewStateInternal()
 243                 {
 244                         if (viewstate["Mode"] != null) {
 245                                 styles |= Styles.Mode;
 246                         }
 247                         if (viewstate["NextPageText"] != null) {
 248                                 styles |= Styles.NextPageText;
 249                         }
 250                         if (viewstate["PageButtonCount"] != null) {
 251                                 styles |= Styles.PageButtonCount;
 252                         }
 253                         if (viewstate["Position"] != null) {
 254                                 styles |= Styles.Position;
 255                         }
 256                         if (viewstate["PrevPageText"] != null) {
 257                                 styles |= Styles.PrevPageText;
 258                         }
 259                         if (viewstate["Visible"] != null) {
 260                                 styles |= Styles.Visible;
 261                         }
 262
 263                         base.LoadViewStateInternal();
 264                 }
 265                 #endregion      // Public Instance Methods
 266         }
 267 }