mcs/class/System.Windows.Forms/System.Windows.Forms/SelectionRange.cs

   1 //
   2 // Permission is hereby granted, free of charge, to any person obtaining
   3 // a copy of this software and associated documentation files (the
   4 // "Software"), to deal in the Software without restriction, including
   5 // without limitation the rights to use, copy, modify, merge, publish,
   6 // distribute, sublicense, and/or sell copies of the Software, and to
   7 // permit persons to whom the Software is furnished to do so, subject to
   8 // the following conditions:
   9 //
  10 // The above copyright notice and this permission notice shall be
  11 // included in all copies or substantial portions of the Software.
  12 //
  13 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  14 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  15 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  16 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  17 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  18 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  19 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  20 //
  21 // Copyright (c) 2004-2005 Novell, Inc.
  22 //
  23 // Authors:
  24 //      John BouAntoun  jba-mono@optusnet.com.au
  25 //
  26
  27 using System.ComponentModel;
  28
  29 namespace System.Windows.Forms {
  30         [TypeConverter(typeof(SelectionRangeConverter))]
  31         public sealed class SelectionRange {
  32                 #region local members
  33
  34                 DateTime end;
  35                 DateTime start;
  36
  37                 #endregion // local members
  38
  39                 #region public constructors
  40
  41                 // default parameterless construcor, use default values
  42                 public SelectionRange () {
  43                         end = DateTime.MaxValue.Date;
  44                         start = DateTime.MinValue.Date;
  45                 }
  46
  47                 // constructor that receives another range, copies it's Start and End values
  48                 public SelectionRange (SelectionRange range) {
  49                         end = range.End;
  50                         start = range.Start;
  51                 }
  52
  53                 // constructor that receives two dates, uses the lower of the two as start
  54                 public SelectionRange (DateTime lower, DateTime upper) {
  55                         if (lower <= upper) {
  56                                 end = upper.Date;
  57                                 start = lower.Date;
  58                         } else {
  59                                 end = lower.Date;
  60                                 start = upper.Date;
  61                         }
  62                 }
  63
  64                 #endregion // public constructors
  65
  66                 #region public properties
  67
  68                 // end date of this range
  69                 public DateTime End {
  70                         set {
  71                                 if (end != value) {
  72                                         end = value;
  73                                 }
  74                         }
  75                         get {
  76                                 return end;
  77                         }
  78                 }
  79
  80                 // start date of this range
  81                 public DateTime Start {
  82                         set {
  83                                 if (start != value) {
  84                                         start = value;
  85                                 }
  86                         }
  87                         get {
  88                                 return start;
  89                         }
  90                 }
  91
  92                 #endregion // public properties
  93
  94                 #region public methods
  95
  96                 public override string ToString() {
  97                         return "SelectionRange: Start: " + Start.ToString() + ", End: " + End.ToString();
  98                 }
  99
 100                 #endregion // public methods
 101         }
 102 }