← Back to branch summary

~halega/+junk/sharpdevelop

« back to all changes in this revision

Viewing changes to src/AddIns/Misc/PackageManagement/Project/Src/RecentPackageRepository.cs

  • Committer: sk
  • Date: 2011-09-10 05:17:57 UTC
  • Revision ID: halega@halega.com-20110910051757-qfouz1llya9m6boy
4.1.0.7915 Release Candidate 1

Show diffs side-by-side

added added

removed removed

Lines of Context:
src/AddIns/Misc/PackageManagement/Project/Src/RecentPackageRepository.cs
 
1
// Copyright (c) AlphaSierraPapa for the SharpDevelop Team (for details please see \doc\copyright.txt)
 
2
// This code is distributed under the GNU LGPL (for details please see \doc\license.txt)
 
3
 
 
4
using System;
 
5
using System.Collections.Generic;
 
6
using System.Linq;
 
7
using NuGet;
 
8
 
 
9
namespace ICSharpCode.PackageManagement
 
10
{
 
11
        public class RecentPackageRepository : IRecentPackageRepository
 
12
        {
 
13
                public const int DefaultMaximumPackagesCount = 20;
 
14
                
 
15
                List<IPackage> packages = new List<IPackage>();
 
16
                int maximumPackagesCount = DefaultMaximumPackagesCount;
 
17
                IList<RecentPackageInfo> savedRecentPackages;
 
18
                IPackageRepository aggregateRepository;
 
19
                IPackageManagementEvents packageManagementEvents;
 
20
                
 
21
                public RecentPackageRepository(
 
22
                        IList<RecentPackageInfo> recentPackages,
 
23
                        IPackageRepository aggregateRepository,
 
24
                        IPackageManagementEvents packageManagementEvents)
 
25
                {
 
26
                        this.savedRecentPackages = recentPackages;
 
27
                        this.aggregateRepository = aggregateRepository;
 
28
                        this.packageManagementEvents = packageManagementEvents;
 
29
                        
 
30
                        this.packageManagementEvents.ParentPackageInstalled += ParentPackageInstalled;
 
31
                }
 
32
                
 
33
                void ParentPackageInstalled(object sender, ParentPackageOperationEventArgs e)
 
34
                {
 
35
                        AddPackage(e.Package);
 
36
                }
 
37
                
 
38
                public string Source {
 
39
                        get { return "RecentPackages"; }
 
40
                }
 
41
                
 
42
                public void AddPackage(IPackage package)
 
43
                {
 
44
                        RemovePackageIfAlreadyAdded(package);
 
45
                        AddPackageAtBeginning(package);
 
46
                        RemoveLastPackageIfCurrentPackageCountExceedsMaximum();
 
47
                        UpdateRecentPackagesInOptions();
 
48
                }
 
49
                
 
50
                void RemovePackageIfAlreadyAdded(IPackage package)
 
51
                {
 
52
                        int index = FindPackage(package);
 
53
                        if (index >= 0) {
 
54
                                packages.RemoveAt(index);
 
55
                        }
 
56
                }
 
57
                
 
58
                int FindPackage(IPackage package)
 
59
                {
 
60
                        return packages.FindIndex(p => PackageEqualityComparer.IdAndVersion.Equals(package, p));
 
61
                }
 
62
                
 
63
                void AddPackageAtBeginning(IPackage package)
 
64
                {
 
65
                        packages.Insert(0, package);
 
66
                }
 
67
                
 
68
                void RemoveLastPackageIfCurrentPackageCountExceedsMaximum()
 
69
                {
 
70
                        if (packages.Count > maximumPackagesCount) {
 
71
                                RemoveLastPackage();
 
72
                        }
 
73
                }
 
74
 
 
75
                void RemoveLastPackage()
 
76
                {
 
77
                        packages.RemoveAt(packages.Count - 1);
 
78
                }
 
79
                
 
80
                void UpdateRecentPackagesInOptions()
 
81
                {
 
82
                        savedRecentPackages.Clear();
 
83
                        savedRecentPackages.AddRange(GetRecentPackagesInfo());
 
84
                }
 
85
                
 
86
                List<RecentPackageInfo> GetRecentPackagesInfo()
 
87
                {
 
88
                        List<RecentPackageInfo> allRecentPackages = new List<RecentPackageInfo>();
 
89
                        foreach (IPackage package in packages) {
 
90
                                var recentPackageInfo = new RecentPackageInfo(package);
 
91
                                allRecentPackages.Add(recentPackageInfo);
 
92
                        }
 
93
                        return allRecentPackages;
 
94
                }
 
95
                
 
96
                public void RemovePackage(IPackage package)
 
97
                {
 
98
                }
 
99
                
 
100
                public IQueryable<IPackage> GetPackages()
 
101
                {
 
102
                        UpdatePackages();
 
103
                        return packages.AsQueryable();
 
104
                }
 
105
                
 
106
                void UpdatePackages()
 
107
                {
 
108
                        if (!HasRecentPackagesBeenRead() && HasRecentPackages) {
 
109
                                IEnumerable<IPackage> recentPackages = GetRecentPackages();
 
110
                                packages.AddRange(recentPackages);
 
111
                        }
 
112
                }
 
113
                
 
114
                bool HasRecentPackagesBeenRead()
 
115
                {
 
116
                        return packages.Count > 0;
 
117
                }
 
118
                
 
119
                public bool HasRecentPackages {
 
120
                        get { return savedRecentPackages.Count > 0; }
 
121
                }
 
122
                
 
123
                IEnumerable<IPackage> GetRecentPackages()
 
124
                {
 
125
                        IEnumerable<IPackage> recentPackages = GetRecentPackagesFilteredById();
 
126
                        return GetRecentPackagesFilteredByVersion(recentPackages);
 
127
                }
 
128
                
 
129
                IEnumerable<IPackage> GetRecentPackagesFilteredById()
 
130
                {
 
131
                        IEnumerable<string> recentPackageIds = GetRecentPackageIds();
 
132
                        return aggregateRepository.FindPackages(recentPackageIds);
 
133
                }
 
134
                                
 
135
                IEnumerable<string> GetRecentPackageIds()
 
136
                {
 
137
                        foreach (RecentPackageInfo recentPackageInfo in savedRecentPackages) {
 
138
                                yield return recentPackageInfo.Id;
 
139
                        }
 
140
                }
 
141
                
 
142
                IEnumerable<IPackage> GetRecentPackagesFilteredByVersion(IEnumerable<IPackage> recentPackages)
 
143
                {
 
144
                        List<IPackage> filteredRecentPackages = new List<IPackage>();
 
145
                        foreach (IPackage recentPackage in recentPackages) {
 
146
                                foreach (RecentPackageInfo savedRecentPackageInfo in savedRecentPackages) {
 
147
                                        if (savedRecentPackageInfo.IsMatch(recentPackage)) {
 
148
                                                filteredRecentPackages.Add(recentPackage);
 
149
                                        }
 
150
                                }
 
151
                        }
 
152
                        return filteredRecentPackages;
 
153
                }
 
154
                
 
155
                public int MaximumPackagesCount {
 
156
                        get { return maximumPackagesCount; }
 
157
                        set { maximumPackagesCount = value; }
 
158
                }
 
159
                
 
160
                public void Clear()
 
161
                {
 
162
                        packages.Clear();
 
163
                        UpdateRecentPackagesInOptions();
 
164
                }
 
165
        }
 
166
}