Mercurial > silverbladetech

annotate MetroWpf/MetroWpf.Framework/Extensions/ComparableExtensions.cs @ 114:e51a6af1c98d

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
working version
author adminsh@apollo
date Sat, 19 May 2012 16:53:34 +0100
parents 060f02cd4591
children
rev   line source
15
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
1 using System;
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
2 using System.Collections.Generic;
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
3
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
4 namespace MetroWpf
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
5 {
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
6 /// <summary>
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
7 /// Extension methods for all comparable objects eg. string, DateTime, numeric values ...
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
8 /// </summary>
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
9 public static class ComparableExtensions
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
10 {
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
11
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
12 /// <summary>
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
13 /// Determines whether the specified value is between the the defined minimum and maximum range (including those values).
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
14 /// </summary>
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
15 /// <typeparam name="T"></typeparam>
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
16 /// <param name="value">The value.</param>
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
17 /// <param name="minValue">The minimum value.</param>
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
18 /// <param name="maxValue">The maximum value.</param>
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
19 /// <returns>
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
20 /// <c>true</c> if the specified value is between min and max; otherwise, <c>false</c>.
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
21 /// </returns>
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
22 /// <example>
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
23 /// var value = 5;
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
24 /// if(value.IsBetween(1, 10)) {
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
25 /// // ...
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
26 /// }
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
27 /// </example>
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
28 public static bool IsBetween<T>(this T value, T minValue, T maxValue) where T : IComparable<T>
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
29 {
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
30 return IsBetween(value, minValue, maxValue, null);
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
31 }
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
32
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
33 /// <summary>
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
34 /// Determines whether the specified value is between the the defined minimum and maximum range (including those values).
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
35 /// </summary>
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
36 /// <typeparam name="T"></typeparam>
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
37 /// <param name="value">The value.</param>
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
38 /// <param name="minValue">The minimum value.</param>
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
39 /// <param name="maxValue">The maximum value.</param>
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
40 /// <param name="comparer">An optional comparer to be used instead of the types default comparer.</param>
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
41 /// <returns>
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
42 /// <c>true</c> if the specified value is between min and max; otherwise, <c>false</c>.
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
43 /// </returns>
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
44 /// <example>
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
45 /// var value = 5;
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
46 /// if(value.IsBetween(1, 10)) {
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
47 /// // ...
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
48 /// }
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
49 /// </example>
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
50 public static bool IsBetween<T>(this T value, T minValue, T maxValue, IComparer<T> comparer) where T : IComparable<T>
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
51 {
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
52 comparer = comparer ?? Comparer<T>.Default;
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
53
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
54 var minMaxCompare = comparer.Compare(minValue, maxValue);
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
55 if (minMaxCompare < 0)
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
56 {
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
57 return ((comparer.Compare(value, minValue) >= 0) && (comparer.Compare(value, maxValue) <= 0));
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
58 }
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
59 else if (minMaxCompare == 0)
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
60 {
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
61 return (comparer.Compare(value, minValue) == 0);
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
62 }
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
63 else
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
64 {
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
65 return ((comparer.Compare(value, maxValue) >= 0) && (comparer.Compare(value, minValue) <= 0));
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
66 }
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
67 }
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
68 }
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
69 }