Mercurial > silverbladetech

annotate MetroWpf/MetroWpf.Framework/Extensions/ListExtensions.cs @ 65:5d0c5cc83a7a

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Click event handler added
author Steven Hollidge <stevenhollidge@hotmail.com>
date Sun, 22 Apr 2012 14:21:33 +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 kind of Lists implementing the IList&lt;T&gt; interface
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 ListExtensions
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 #region · Extensions ·
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
12
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
13 /// <summary>
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
14 /// Inserts an item uniquely to to a list and returns a value whether the item was inserted or not.
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
15 /// </summary>
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
16 /// <typeparam name="T">The generic list item type.</typeparam>
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
17 /// <param name="list">The list to be inserted into.</param>
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
18 /// <param name="index">The index to insert the item at.</param>
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
19 /// <param name="item">The item to be added.</param>
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
20 /// <returns>Indicates whether the item was inserted or not</returns>
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
21 public static bool InsertUnqiue<T>(this IList<T> list, int index, T item)
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
22 {
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
23 if (list.Contains(item) == false)
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
24 {
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
25 list.Insert(index, item);
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
26 return true;
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
27 }
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
28
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
29 return false;
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
30 }
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 /// <summary>
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
33 /// Inserts a range of items uniquely to a list starting at a given index and returns the amount of items inserted.
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
34 /// </summary>
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
35 /// <typeparam name="T">The generic list item type.</typeparam>
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
36 /// <param name="list">The list to be inserted into.</param>
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
37 /// <param name="startIndex">The start index.</param>
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
38 /// <param name="items">The items to be inserted.</param>
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
39 /// <returns>The amount if items that were inserted.</returns>
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
40 public static int InsertRangeUnique<T>(this IList<T> list, int startIndex, IEnumerable<T> items)
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
41 {
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
42 var index = startIndex;
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
43
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
44 foreach (var item in items)
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
45 {
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
46 if (list.InsertUnqiue(startIndex, item))
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 index++;
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
49 }
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
50 }
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 return (index - startIndex);
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
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
55 /// <summary>
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
56 /// Return the index of the first matching item or -1.
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
57 /// </summary>
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
58 /// <typeparam name="T"></typeparam>
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
59 /// <param name="list">The list.</param>
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
60 /// <param name="comparison">The comparison.</param>
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
61 /// <returns>The item index</returns>
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
62 public static int IndexOf<T>(this IList<T> list, Func<T, bool> comparison)
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
63 {
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
64 for (var i = 0; i < list.Count; i++)
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
65 {
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
66 if (comparison(list[i]))
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 return i;
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
69 }
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
70 }
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
71
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
72 return -1;
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
73 }
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
74
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
75 #endregion
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
76 }
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
77 }