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

   1 //\r
   2 // System.Web.UI.WebControls.PagerSettings.cs\r
   3 //\r
   4 // Authors:\r
   5 //      Lluis Sanchez Gual (lluis@novell.com)\r
   6 //\r
   7 // (C) 2005 Novell, Inc (http://www.novell.com)\r
   8 //\r
   9 // Permission is hereby granted, free of charge, to any person obtaining\r
  10 // a copy of this software and associated documentation files (the\r
  11 // "Software"), to deal in the Software without restriction, including\r
  12 // without limitation the rights to use, copy, modify, merge, publish,\r
  13 // distribute, sublicense, and/or sell copies of the Software, and to\r
  14 // permit persons to whom the Software is furnished to do so, subject to\r
  15 // the following conditions:\r
  16 // \r
  17 // The above copyright notice and this permission notice shall be\r
  18 // included in all copies or substantial portions of the Software.\r
  19 // \r
  20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,\r
  21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF\r
  22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND\r
  23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE\r
  24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION\r
  25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION\r
  26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.\r
  27 //\r
  28 // Copyright (C) 2004 Novell, Inc (http://www.novell.com)\r
  29 //\r
  30 \r
  31 #if NET_2_0\r
  32 \r
  33 using System.ComponentModel;\r
  34 using System.Security.Permissions;\r
  35 \r
  36 namespace System.Web.UI.WebControls\r
  37 {\r
  38         [TypeConverterAttribute (typeof(ExpandableObjectConverter))]\r
  39         [AspNetHostingPermissionAttribute (SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]\r
  40         public sealed class PagerSettings: IStateManager\r
  41         {\r
  42                 StateBag ViewState = new StateBag ();\r
  43                 Control ctrl;\r
  44                 \r
  45                 public PagerSettings ()\r
  46                 {\r
  47                 }\r
  48                 \r
  49                 internal PagerSettings (Control ctrl)\r
  50                 {\r
  51                         this.ctrl = ctrl;\r
  52                 }\r
  53 \r
  54                 [WebCategoryAttribute ("Appearance")]\r
  55                 [NotifyParentPropertyAttribute (true)]\r
  56                 [UrlPropertyAttribute]\r
  57                 [DefaultValueAttribute ("")]\r
  58                 [EditorAttribute ("System.Web.UI.Design.ImageUrlEditor, " + Consts.AssemblySystem_Design, "System.Drawing.Design.UITypeEditor, " + Consts.AssemblySystem_Drawing)]\r
  59                 public string FirstPageImageUrl {\r
  60                         get {\r
  61                                 object ob = ViewState ["FirstPageImageUrl"];\r
  62                                 if (ob != null) return (string) ob;\r
  63                                 return string.Empty;\r
  64                         }\r
  65                         set {\r
  66                                 ViewState ["FirstPageImageUrl"] = value;\r
  67                         }\r
  68                 }\r
  69         \r
  70                 [WebCategoryAttribute ("Appearance")]\r
  71                 [DefaultValueAttribute ("&lt;&lt;")]\r
  72                 [NotifyParentPropertyAttribute (true)]\r
  73                 public string FirstPageText {\r
  74                         get {\r
  75                                 object ob = ViewState ["FirstPageText"];\r
  76                                 if (ob != null) return (string) ob;\r
  77                                 return "&lt;&lt;";\r
  78                         }\r
  79                         set {\r
  80                                 ViewState ["FirstPageText"] = value;\r
  81                         }\r
  82                 }\r
  83         \r
  84                 [WebCategoryAttribute ("Appearance")]\r
  85                 [NotifyParentPropertyAttribute (true)]\r
  86                 [UrlPropertyAttribute]\r
  87                 [DefaultValueAttribute ("")]\r
  88                 [EditorAttribute ("System.Web.UI.Design.ImageUrlEditor, " + Consts.AssemblySystem_Design, "System.Drawing.Design.UITypeEditor, " + Consts.AssemblySystem_Drawing)]\r
  89                 public string LastPageImageUrl {\r
  90                         get {\r
  91                                 object ob = ViewState ["LastPageImageUrl"];\r
  92                                 if (ob != null) return (string) ob;\r
  93                                 return string.Empty;\r
  94                         }\r
  95                         set {\r
  96                                 ViewState ["LastPageImageUrl"] = value;\r
  97                         }\r
  98                 }\r
  99         \r
 100                 [NotifyParentPropertyAttribute (true)]\r
 101                 [WebCategoryAttribute ("Appearance")]\r
 102                 [DefaultValueAttribute ("&gt;&gt;")]\r
 103                 public string LastPageText {\r
 104                         get {\r
 105                                 object ob = ViewState ["LastPageText"];\r
 106                                 if (ob != null) return (string) ob;\r
 107                                 return "&gt;&gt;";\r
 108                         }\r
 109                         set {\r
 110                                 ViewState ["LastPageText"] = value;\r
 111                         }\r
 112                 }\r
 113         \r
 114                 [NotifyParentPropertyAttribute (true)]\r
 115                 [WebCategoryAttribute ("Appearance")]\r
 116                 [DefaultValueAttribute (PagerButtons.Numeric)]\r
 117                 public PagerButtons Mode {\r
 118                         get {\r
 119                                 object ob = ViewState ["Mode"];\r
 120                                 if (ob != null) return (PagerButtons) ob;\r
 121                                 return PagerButtons.Numeric;\r
 122                         }\r
 123                         set {\r
 124                                 ViewState ["Mode"] = value;\r
 125                         }\r
 126                 }\r
 127         \r
 128                 [WebCategoryAttribute ("Appearance")]\r
 129                 [NotifyParentPropertyAttribute (true)]\r
 130                 [UrlPropertyAttribute]\r
 131                 [DefaultValueAttribute ("")]\r
 132                 [EditorAttribute ("System.Web.UI.Design.ImageUrlEditor, " + Consts.AssemblySystem_Design, "System.Drawing.Design.UITypeEditor, " + Consts.AssemblySystem_Drawing)]\r
 133                 public string NextPageImageUrl {\r
 134                         get {\r
 135                                 object ob = ViewState ["NextPageImageUrl"];\r
 136                                 if (ob != null) return (string) ob;\r
 137                                 return string.Empty;\r
 138                         }\r
 139                         set {\r
 140                                 ViewState ["NextPageImageUrl"] = value;\r
 141                         }\r
 142                 }\r
 143 \r
 144                 [WebCategoryAttribute ("Appearance")]\r
 145                 [NotifyParentPropertyAttribute (true)]\r
 146                 [DefaultValueAttribute ("&gt;")]\r
 147                 public string NextPageText {\r
 148                         get {\r
 149                                 object ob = ViewState ["NextPageText"];\r
 150                                 if (ob != null) return (string) ob;\r
 151                                 return "&gt;";\r
 152                         }\r
 153                         set {\r
 154                                 ViewState ["NextPageText"] = value;\r
 155                         }\r
 156                 }\r
 157         \r
 158                 [WebCategoryAttribute ("Behavior")]\r
 159                 [NotifyParentPropertyAttribute (true)]\r
 160                 [DefaultValueAttribute (10)]\r
 161                 public int PageButtonCount {\r
 162                         get {\r
 163                                 object ob = ViewState ["PageButtonCount"];\r
 164                                 if (ob != null) return (int) ob;\r
 165                                 return 10;\r
 166                         }\r
 167                         set {\r
 168                                 ViewState ["PageButtonCount"] = value;\r
 169                         }\r
 170                 }\r
 171         \r
 172                 [WebCategoryAttribute ("Layout")]\r
 173                 [DefaultValueAttribute (PagerPosition.Bottom)]\r
 174                 [NotifyParentPropertyAttribute (true)]\r
 175                 public PagerPosition Position {\r
 176                         get {\r
 177                                 object ob = ViewState ["Position"];\r
 178                                 if (ob != null) return (PagerPosition) ob;\r
 179                                 return PagerPosition.Bottom;\r
 180                         }\r
 181                         set {\r
 182                                 ViewState ["Position"] = value;\r
 183                         }\r
 184                 }\r
 185         \r
 186                 [WebCategoryAttribute ("Appearance")]\r
 187                 [NotifyParentPropertyAttribute (true)]\r
 188                 [UrlPropertyAttribute]\r
 189                 [DefaultValueAttribute ("")]\r
 190                 [EditorAttribute ("System.Web.UI.Design.ImageUrlEditor, " + Consts.AssemblySystem_Design, "System.Drawing.Design.UITypeEditor, " + Consts.AssemblySystem_Drawing)]\r
 191                 public string PreviousPageImageUrl {\r
 192                         get {\r
 193                                 object ob = ViewState ["PreviousPageImageUrl"];\r
 194                                 if (ob != null) return (string) ob;\r
 195                                 return string.Empty;\r
 196                         }\r
 197                         set {\r
 198                                 ViewState ["PreviousPageImageUrl"] = value;\r
 199                         }\r
 200                 }\r
 201         \r
 202                 [WebCategoryAttribute ("Appearance")]\r
 203                 [DefaultValueAttribute ("&lt;")]\r
 204                 [NotifyParentPropertyAttribute (true)]\r
 205                 public string PreviousPageText {\r
 206                         get {\r
 207                                 object ob = ViewState ["PreviousPageText"];\r
 208                                 if (ob != null) return (string) ob;\r
 209                                 return "&lt;";\r
 210                         }\r
 211                         set {\r
 212                                 ViewState ["PreviousPageText"] = value;\r
 213                         }\r
 214                 }\r
 215         \r
 216                 [WebCategoryAttribute ("Appearance")]\r
 217                 [DefaultValueAttribute (true)]\r
 218                 [NotifyParentPropertyAttribute (true)]\r
 219                 public bool Visible {\r
 220                         get {\r
 221                                 object ob = ViewState ["Visible"];\r
 222                                 if (ob != null) return (bool) ob;\r
 223                                 return true;\r
 224                         }\r
 225                         set {\r
 226                                 ViewState ["Visible"] = value;\r
 227                         }\r
 228                 }\r
 229         \r
 230                 public override string ToString ()\r
 231                 {\r
 232                         return string.Empty;\r
 233                 }\r
 234 \r
 235                 void IStateManager.LoadViewState (object savedState)\r
 236                 {\r
 237                         ViewState.LoadViewState (savedState);\r
 238                 }\r
 239                 \r
 240                 object IStateManager.SaveViewState ()\r
 241                 {\r
 242                         return ViewState.SaveViewState();\r
 243                 }\r
 244                 \r
 245                 void IStateManager.TrackViewState ()\r
 246                 {\r
 247                         ViewState.TrackViewState();\r
 248                 }\r
 249                 \r
 250                 bool IStateManager.IsTrackingViewState\r
 251                 {\r
 252                         get { return ViewState.IsTrackingViewState; }\r
 253                 }\r
 254                 \r
 255                 internal Table CreatePagerControl (int currentPage, int pageCount)\r
 256                 {\r
 257                         Table table = new Table ();\r
 258                         TableRow row = new TableRow ();\r
 259                         table.Rows.Add (row);\r
 260 \r
 261                         if (Mode == PagerButtons.NextPrevious || Mode == PagerButtons.NextPreviousFirstLast)\r
 262                         {\r
 263                                 if (currentPage > 0) {\r
 264                                         if (Mode == PagerButtons.NextPreviousFirstLast)\r
 265                                                 row.Cells.Add (CreateCell (FirstPageText, FirstPageImageUrl, "Page", "First"));\r
 266                                         row.Cells.Add (CreateCell (PreviousPageText, PreviousPageImageUrl, "Page", "Prev"));\r
 267                                 }\r
 268                                 if (currentPage < pageCount - 1) {\r
 269                                         row.Cells.Add (CreateCell (NextPageText, NextPageImageUrl, "Page", "Next"));\r
 270                                         if (Mode == PagerButtons.NextPreviousFirstLast)\r
 271                                                 row.Cells.Add (CreateCell (LastPageText, LastPageImageUrl, "Page", "Last"));\r
 272                                 }\r
 273                         }\r
 274                         else if (Mode == PagerButtons.Numeric || Mode == PagerButtons.NumericFirstLast)\r
 275                         {\r
 276                                 int first = currentPage / PageButtonCount;\r
 277                                 int last = first + PageButtonCount;\r
 278                                 if (last >= pageCount) last = pageCount;\r
 279                                 \r
 280                                 if (first > 0) {\r
 281                                         if (Mode == PagerButtons.NumericFirstLast)\r
 282                                                 row.Cells.Add (CreateCell (FirstPageText, FirstPageImageUrl, "Page", "First"));\r
 283                                         row.Cells.Add (CreateCell (PreviousPageText, PreviousPageImageUrl, "Page", "Prev"));\r
 284                                 }\r
 285                                 \r
 286                                 for (int n = first; n < last; n++)\r
 287                                         row.Cells.Add (CreateCell ((n+1).ToString(), string.Empty, (n != currentPage) ? "Page" : "", (n+1).ToString()));\r
 288                                 \r
 289                                 if (last < pageCount - 1) {\r
 290                                         row.Cells.Add (CreateCell (NextPageText, NextPageImageUrl, "Page", "Next"));\r
 291                                         if (Mode == PagerButtons.NumericFirstLast)\r
 292                                                 row.Cells.Add (CreateCell (LastPageText, LastPageImageUrl, "Page", "Last"));\r
 293                                 }\r
 294                         }\r
 295                         return table;\r
 296                 }\r
 297                 \r
 298                 TableCell CreateCell (string text, string image, string command, string argument)\r
 299                 {\r
 300                         TableCell cell = new TableCell ();\r
 301                         cell.Controls.Add (new DataControlButton (ctrl, text, image, command, argument, true));\r
 302                         return cell;\r
 303                 }\r
 304         }\r
 305 }\r
 306 \r
 307 #endif