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Side by Side Diff: obsolete/Microsoft.VisualStudio.Project/TrackDocumentsHelper.cs

Issue 10928195: First round of dead file removal (Closed) Base URL: https://github.com/samclegg/nativeclient-sdk.git@master
Patch Set: Created 8 years, 3 months ago
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1 /// Copyright (c) Microsoft Corporation. All rights reserved.
2
3 using System;
4 using System.Diagnostics;
5 using Microsoft.VisualStudio;
6 using Microsoft.VisualStudio.Shell.Interop;
7
8 namespace Microsoft.VisualStudio.Project
9 {
10 /// <summary>
11 /// Used by a project to query the environment for permission to add, re move, or rename a file or directory in a solution
12 /// </summary>
13 internal class TrackDocumentsHelper
14 {
15 #region fields
16 private ProjectNode projectMgr;
17 #endregion
18
19 #region properties
20
21 #endregion
22
23 #region ctors
24 internal TrackDocumentsHelper(ProjectNode project)
25 {
26 this.projectMgr = project;
27 }
28 #endregion
29
30 #region helper methods
31 /// <summary>
32 /// Gets the IVsTrackProjectDocuments2 object by asking the serv ice provider for it.
33 /// </summary>
34 /// <returns>the IVsTrackProjectDocuments2 object</returns>
35 private IVsTrackProjectDocuments2 GetIVsTrackProjectDocuments2()
36 {
37 Debug.Assert(this.projectMgr != null && !this.projectMgr .IsClosed && this.projectMgr.Site != null);
38
39 IVsTrackProjectDocuments2 documentTracker = this.project Mgr.Site.GetService(typeof(SVsTrackProjectDocuments)) as IVsTrackProjectDocument s2;
40 if(documentTracker == null)
41 {
42 throw new InvalidOperationException();
43 }
44
45 return documentTracker;
46 }
47
48 /// <summary>
49 /// Asks the environment for permission to add files.
50 /// </summary>
51 /// <param name="files">The files to add.</param>
52 /// <param name="flags">The VSQUERYADDFILEFLAGS flags associated to the files added</param>
53 /// <returns>true if the file can be added, false if not.</retur ns>
54 internal bool CanAddItems(string[] files, VSQUERYADDFILEFLAGS[] flags)
55 {
56 // If we are silent then we assume that the file can be added, since we do not want to trigger this event.
57 if((this.projectMgr.EventTriggeringFlag & ProjectNode.Ev entTriggering.DoNotTriggerTrackerEvents) != 0)
58 {
59 return true;
60 }
61
62 if(files == null || files.Length == 0)
63 {
64 return false;
65 }
66
67 int len = files.Length;
68 VSQUERYADDFILERESULTS[] summary = new VSQUERYADDFILERESU LTS[1];
69 ErrorHandler.ThrowOnFailure(this.GetIVsTrackProjectDocum ents2().OnQueryAddFiles(this.projectMgr, len, files, flags, summary, null));
70 if(summary[0] == VSQUERYADDFILERESULTS.VSQUERYADDFILERES ULTS_AddNotOK)
71 {
72 return false;
73 }
74
75 return true;
76 }
77
78 /// <summary>
79 /// Notify the environment about a file just added
80 /// </summary>
81 internal void OnItemAdded(string file, VSADDFILEFLAGS flag)
82 {
83 if((this.projectMgr.EventTriggeringFlag & ProjectNode.Ev entTriggering.DoNotTriggerTrackerEvents) == 0)
84 {
85 ErrorHandler.ThrowOnFailure(this.GetIVsTrackProj ectDocuments2().OnAfterAddFilesEx(this.projectMgr, 1, new string[1] { file }, ne w VSADDFILEFLAGS[1] { flag }));
86 }
87 }
88
89 /// <summary>
90 /// Asks the environment for permission to remove files.
91 /// </summary>
92 /// <param name="files">an array of files to remove</param>
93 /// <param name="flags">The VSQUERYREMOVEFILEFLAGS associated to the files to be removed.</param>
94 /// <returns>true if the files can be removed, false if not.</re turns>
95 internal bool CanRemoveItems(string[] files, VSQUERYREMOVEFILEFL AGS[] flags)
96 {
97 // If we are silent then we assume that the file can be removed, since we do not want to trigger this event.
98 if((this.projectMgr.EventTriggeringFlag & ProjectNode.Ev entTriggering.DoNotTriggerTrackerEvents) != 0)
99 {
100 return true;
101 }
102
103 if(files == null || files.Length == 0)
104 {
105 return false;
106 }
107 int length = files.Length;
108
109 VSQUERYREMOVEFILERESULTS[] summary = new VSQUERYREMOVEFI LERESULTS[1];
110
111 ErrorHandler.ThrowOnFailure(this.GetIVsTrackProjectDocum ents2().OnQueryRemoveFiles(this.projectMgr, length, files, flags, summary, null) );
112 if(summary[0] == VSQUERYREMOVEFILERESULTS.VSQUERYREMOVEF ILERESULTS_RemoveNotOK)
113 {
114 return false;
115 }
116
117 return true;
118 }
119
120 /// <summary>
121 /// Notify the environment about a file just removed
122 /// </summary>
123 internal void OnItemRemoved(string file, VSREMOVEFILEFLAGS flag)
124 {
125 if((this.projectMgr.EventTriggeringFlag & ProjectNode.Ev entTriggering.DoNotTriggerTrackerEvents) == 0)
126 {
127 ErrorHandler.ThrowOnFailure(this.GetIVsTrackProj ectDocuments2().OnAfterRemoveFiles(this.projectMgr, 1, new string[1] { file }, n ew VSREMOVEFILEFLAGS[1] { flag }));
128 }
129 }
130
131 /// <summary>
132 /// Asks the environment for permission to rename files.
133 /// </summary>
134 /// <param name="oldFileName">Path to the file to be renamed.</p aram>
135 /// <param name="newFileName">Path to the new file.</param>
136 /// <param name="flag">The VSRENAMEFILEFLAGS associated with the file to be renamed.</param>
137 /// <returns>true if the file can be renamed. Otherwise false.</ returns>
138 internal bool CanRenameItem(string oldFileName, string newFileNa me, VSRENAMEFILEFLAGS flag)
139 {
140 // If we are silent then we assume that the file can be renamed, since we do not want to trigger this event.
141 if((this.projectMgr.EventTriggeringFlag & ProjectNode.Ev entTriggering.DoNotTriggerTrackerEvents) != 0)
142 {
143 return true;
144 }
145
146 int iCanContinue = 0;
147 ErrorHandler.ThrowOnFailure(this.GetIVsTrackProjectDocum ents2().OnQueryRenameFile(this.projectMgr, oldFileName, newFileName, flag, out i CanContinue));
148 return (iCanContinue != 0);
149 }
150
151 /// <summary>
152 /// Get's called to tell the env that a file was renamed
153 /// </summary>
154 ///
155 internal void OnItemRenamed(string strOldName, string strNewName , VSRENAMEFILEFLAGS flag)
156 {
157 if((this.projectMgr.EventTriggeringFlag & ProjectNode.Ev entTriggering.DoNotTriggerTrackerEvents) == 0)
158 {
159 ErrorHandler.ThrowOnFailure(this.GetIVsTrackProj ectDocuments2().OnAfterRenameFile(this.projectMgr, strOldName, strNewName, flag) );
160 }
161 }
162 #endregion
163 }
164 }
165
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