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

   1 /**\r
   2  * Namespace: System.Web.UI.WebControls\r
   3  * Class:     DataGridPagerStyle\r
   4  *\r
   5  * Author:  Gaurav Vaish\r
   6  * Maintainer: gvaish@iitk.ac.in\r
   7  * Contact: <my_scripts2001@yahoo.com>, <gvaish@iitk.ac.in>\r
   8  * Implementation: yes\r
   9  * Status:  100%\r
  10  *\r
  11  * (C) Gaurav Vaish (2002)\r
  12  */\r
  13 \r
  14 using System;\r
  15 using System.Web;\r
  16 using System.Web.UI;\r
  17 \r
  18 namespace System.Web.UI.WebControls\r
  19 {\r
  20         public class DataGridPagerStyle : TableItemStyle\r
  21         {\r
  22                 DataGrid owner;\r
  23 \r
  24                 private static int MODE         = (0x01 << 19);\r
  25                 private static int NEXT_PG_TEXT = (0x01 << 20);\r
  26                 private static int PG_BTN_COUNT = (0x01 << 21);\r
  27                 private static int POSITION     = (0x01 << 22);\r
  28                 private static int VISIBLE      = (0x01 << 23);\r
  29                 private static int PREV_PG_TEXT = (0x01 << 24);\r
  30 \r
  31                 internal DataGridPagerStyle(DataGrid owner): base()\r
  32                 {\r
  33                         this.owner = owner;\r
  34                 }\r
  35 \r
  36                 public PagerMode Mode\r
  37                 {\r
  38                         get\r
  39                         {\r
  40                                 if(IsSet(MODE))\r
  41                                 {\r
  42                                         return (PagerMode)ViewState["Mode"];\r
  43                                 }\r
  44                                 return PagerMode.NextPrev;\r
  45                         }\r
  46                         set\r
  47                         {\r
  48                                 if(!Enum.IsDefined(typeof(PagerMode), value))\r
  49                                 {\r
  50                                         throw new NotImplementedException();\r
  51                                 }\r
  52                                 ViewState["Mode"] = value;\r
  53                                 Set(MODE);\r
  54                         }\r
  55                 }\r
  56 \r
  57                 public string NextPageText\r
  58                 {\r
  59                         get\r
  60                         {\r
  61                                 if(IsSet(NEXT_PG_TEXT))\r
  62                                 {\r
  63                                         return (string)ViewState["NextPageText"];\r
  64                                 }\r
  65                                 return "&gt;";\r
  66                         }\r
  67                         set\r
  68                         {\r
  69                                 ViewState["NextPageText"] = value;\r
  70                                 Set(NEXT_PG_TEXT);\r
  71                         }\r
  72                 }\r
  73 \r
  74                 public string PrevPageText\r
  75                 {\r
  76                         get\r
  77                         {\r
  78                                 if(IsSet(PREV_PG_TEXT))\r
  79                                 {\r
  80                                         return (string)ViewState["PrevPageText"];\r
  81                                 }\r
  82                                 return "&lt;";\r
  83                         }\r
  84                         set\r
  85                         {\r
  86                                 ViewState["PrevPageText"] = value;\r
  87                                 Set(PREV_PG_TEXT);\r
  88                         }\r
  89                 }\r
  90 \r
  91                 public int PageButtonCount\r
  92                 {\r
  93                         get\r
  94                         {\r
  95                                 if(IsSet(PG_BTN_COUNT))\r
  96                                 {\r
  97                                         return (int)ViewState["PageButtonCount"];\r
  98                                 }\r
  99                                 return 10;\r
 100                         }\r
 101                         set\r
 102                         {\r
 103                                 ViewState["PageButtonCount"] = value;\r
 104                                 Set(PG_BTN_COUNT);\r
 105                         }\r
 106                 }\r
 107 \r
 108                 public PagerPosition Position\r
 109                 {\r
 110                         get\r
 111                         {\r
 112                                 if(IsSet(POSITION))\r
 113                                 {\r
 114                                         return (PagerPosition)ViewState["Position"];\r
 115                                 }\r
 116                                 return PagerPosition.Bottom;\r
 117                         }\r
 118                         set\r
 119                         {\r
 120                                 if(!Enum.IsDefined(typeof(PagerPosition), value))\r
 121                                 {\r
 122                                         throw new ArgumentException();\r
 123                                 }\r
 124                                 ViewState["Position"] = value;\r
 125                                 Set(POSITION);\r
 126                         }\r
 127                 }\r
 128 \r
 129                 public bool Visible\r
 130                 {\r
 131                         get\r
 132                         {\r
 133                                 if(IsSet(VISIBLE))\r
 134                                 {\r
 135                                         return (bool)ViewState["Visible"];\r
 136                                 }\r
 137                                 return true;\r
 138                         }\r
 139                         set\r
 140                         {\r
 141                                 ViewState["Visible"] = value;\r
 142                                 Set(PG_BTN_COUNT);\r
 143                         }\r
 144                 }\r
 145 \r
 146                 public override void CopyFrom(Style s)\r
 147                 {\r
 148                         if(s != null && !s.IsEmpty && s is DataGridPagerStyle)\r
 149                         {\r
 150                                 base.CopyFrom(s);\r
 151                                 DataGridPagerStyle from = (DataGridPagerStyle)s;\r
 152                                 if(from.IsSet(MODE))\r
 153                                 {\r
 154                                         Mode = from.Mode;\r
 155                                 }\r
 156                                 if(from.IsSet(NEXT_PG_TEXT))\r
 157                                 {\r
 158                                         NextPageText = from.NextPageText;\r
 159                                 }\r
 160                                 if(from.IsSet(PG_BTN_COUNT))\r
 161                                 {\r
 162                                         PageButtonCount = from.PageButtonCount;\r
 163                                 }\r
 164                                 if(from.IsSet(POSITION))\r
 165                                 {\r
 166                                         Position = from.Position;\r
 167                                 }\r
 168                                 if(from.IsSet(VISIBLE))\r
 169                                 {\r
 170                                         Visible = from.Visible;\r
 171                                 }\r
 172                                 if(from.IsSet(PREV_PG_TEXT))\r
 173                                 {\r
 174                                         PrevPageText = from.PrevPageText;\r
 175                                 }\r
 176                         }\r
 177                 }\r
 178 \r
 179                 public override void MergeWith(Style s)\r
 180                 {\r
 181                         if(s != null && !s.IsEmpty && s is DataGridPagerStyle)\r
 182                         {\r
 183                                 base.MergeWith(s);\r
 184                                 DataGridPagerStyle with = (DataGridPagerStyle)s;\r
 185                                 if(with.IsSet(MODE) && !IsSet(MODE))\r
 186                                 {\r
 187                                         Mode = with.Mode;\r
 188                                 }\r
 189                                 if(with.IsSet(NEXT_PG_TEXT) && !IsSet(NEXT_PG_TEXT))\r
 190                                 {\r
 191                                         NextPageText = with.NextPageText;\r
 192                                 }\r
 193                                 if(with.IsSet(PG_BTN_COUNT) && !IsSet(PG_BTN_COUNT))\r
 194                                 {\r
 195                                         PageButtonCount = with.PageButtonCount;\r
 196                                 }\r
 197                                 if(with.IsSet(POSITION) && !IsSet(POSITION))\r
 198                                 {\r
 199                                         Position = with.Position;\r
 200                                 }\r
 201                                 if(with.IsSet(VISIBLE) && !IsSet(VISIBLE))\r
 202                                 {\r
 203                                         Visible = with.Visible;\r
 204                                 }\r
 205                                 if(with.IsSet(PREV_PG_TEXT) && !IsSet(PREV_PG_TEXT))\r
 206                                 {\r
 207                                         PrevPageText = with.PrevPageText;\r
 208                                 }\r
 209                         }\r
 210                 }\r
 211 \r
 212                 public override void Reset()\r
 213                 {\r
 214                         if(IsSet(MODE))\r
 215                         {\r
 216                                 ViewState.Remove("Mode");\r
 217                         }\r
 218                         if(IsSet(NEXT_PG_TEXT))\r
 219                         {\r
 220                                 ViewState.Remove("NextPageText");\r
 221                         }\r
 222                         if(IsSet(PG_BTN_COUNT))\r
 223                         {\r
 224                                 ViewState.Remove("PageButtonCount");\r
 225                         }\r
 226                         if(IsSet(POSITION))\r
 227                         {\r
 228                                 ViewState.Remove("Position");\r
 229                         }\r
 230                         if(IsSet(VISIBLE))\r
 231                         {\r
 232                                 ViewState.Remove("Visible");\r
 233                         }\r
 234                         if(IsSet(PREV_PG_TEXT))\r
 235                         {\r
 236                                 ViewState.Remove("PrevPageText");\r
 237                         }\r
 238                         base.Reset();\r
 239                 }\r
 240         }\r
 241 }\r