Cosmos/source/MPF/12.0/NestedProjectNode.cs
2017-04-03 23:55:10 -05:00

1185 lines
49 KiB
C#

/********************************************************************************************
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using System;
using System.Diagnostics;
using System.Diagnostics.CodeAnalysis;
using System.Globalization;
using System.IO;
using System.Runtime.InteropServices;
using Microsoft.VisualStudio;
using Microsoft.VisualStudio.OLE.Interop;
using Microsoft.VisualStudio.Shell;
using Microsoft.VisualStudio.Shell.Interop;
using ErrorHandler = Microsoft.VisualStudio.ErrorHandler;
using ShellConstants = Microsoft.VisualStudio.Shell.Interop.Constants;
namespace Microsoft.VisualStudio.Project
{
public class NestedProjectNode : HierarchyNode, IPropertyNotifySink
{
#region fields
private IVsHierarchy nestedHierarchy;
Guid projectInstanceGuid = Guid.Empty;
private string projectName = String.Empty;
private string projectPath = String.Empty;
private ImageHandler imageHandler;
/// <summary>
/// Defines an object that will be a mutex for this object for synchronizing thread calls.
/// </summary>
private static volatile object Mutex = new object();
/// <summary>
/// Sets the dispose flag on the object.
/// </summary>
private bool isDisposed;
// A cooike retrieved when advising on property chnanged events.
private uint projectPropertyNotifySinkCookie;
#endregion
#region properties
internal IVsHierarchy NestedHierarchy
{
get
{
return this.nestedHierarchy;
}
}
#endregion
#region virtual properties
/// <summary>
/// Returns the __VSADDVPFLAGS that will be passed in when calling AddVirtualProjectEx
/// </summary>
protected virtual uint VirtualProjectFlags
{
get { return 0; }
}
#endregion
#region overridden properties
/// <summary>
/// The path of the nested project.
/// </summary>
public override string Url
{
get
{
return this.projectPath;
}
}
/// <summary>
/// The Caption of the nested project.
/// </summary>
public override string Caption
{
get
{
return Path.GetFileNameWithoutExtension(this.projectName);
}
}
public override Guid ItemTypeGuid
{
get
{
return VSConstants.GUID_ItemType_SubProject;
}
}
/// <summary>
/// Defines whether a node can execute a command if in selection.
/// We do this in order to let the nested project to handle the execution of its own commands.
/// </summary>
public override bool CanExecuteCommand
{
get
{
return false;
}
}
public override int SortPriority
{
get { return DefaultSortOrderNode.NestedProjectNode; }
}
protected bool IsDisposed
{
get { return this.isDisposed; }
set { this.isDisposed = value; }
}
#endregion
#region ctor
protected NestedProjectNode()
{
}
public NestedProjectNode(ProjectNode root, ProjectElement element)
: base(root, element)
{
this.IsExpanded = true;
}
#endregion
#region IPropertyNotifySink Members
/// <summary>
/// Notifies a sink that the [bindable] property specified by dispID has changed.
/// If dispID is DISPID_UNKNOWN, then multiple properties have changed together.
/// The client (owner of the sink) should then retrieve the current value of each property of interest from the object that generated the notification.
/// In our case we will care about the VSLangProj80.VsProjPropId.VBPROJPROPID_FileName and update the changes in the parent project file.
/// </summary>
/// <param name="dispid">Dispatch identifier of the property that is about to change or DISPID_UNKNOWN if multiple properties are about to change.</param>
public virtual void OnChanged(int dispid)
{
if (dispid == (int)VSLangProj80.VsProjPropId.VBPROJPROPID_FileName)
{
// Get the filename of the nested project. Inetead of asking the label on the nested we ask the filename, since the label might not yet been set.
IVsProject3 nestedProject = this.nestedHierarchy as IVsProject3;
if (nestedProject != null)
{
string document;
ErrorHandler.ThrowOnFailure(nestedProject.GetMkDocument(VSConstants.VSITEMID_ROOT, out document));
this.RenameNestedProjectInParentProject(Path.GetFileNameWithoutExtension(document));
// We need to redraw the caption since for some reason, by intervining to the OnChanged event the Caption is not updated.
this.ReDraw(UIHierarchyElement.Caption);
}
}
}
/// <summary>
/// Notifies a sink that a [requestedit] property is about to change and that the object is asking the sink how to proceed.
/// </summary>
/// <param name="dispid">Dispatch identifier of the property that is about to change or DISPID_UNKNOWN if multiple properties are about to change.</param>
public virtual void OnRequestEdit(int dispid)
{
}
#endregion
#region public methods
#endregion
#region overridden methods
/// <summary>
/// Get the automation object for the NestedProjectNode
/// </summary>
/// <returns>An instance of the Automation.OANestedProjectItem type if succeded</returns>
public override object GetAutomationObject()
{
//Validate that we are not disposed or the project is closing
if (this.isDisposed || this.ProjectMgr == null || this.ProjectMgr.IsClosed)
{
return null;
}
return new Automation.OANestedProjectItem(this.ProjectMgr.GetAutomationObject() as Automation.OAProject, this);
}
/// <summary>
/// Gets properties of a given node or of the hierarchy.
/// </summary>
/// <param name="propId">Identifier of the hierarchy property</param>
/// <returns>It return an object which type is dependent on the propid.</returns>
public override object GetProperty(int propId)
{
__VSHPROPID vshPropId = (__VSHPROPID)propId;
switch (vshPropId)
{
default:
return base.GetProperty(propId);
case __VSHPROPID.VSHPROPID_Expandable:
return true;
case __VSHPROPID.VSHPROPID_BrowseObject:
case __VSHPROPID.VSHPROPID_HandlesOwnReload:
return this.DelegateGetPropertyToNested(propId);
}
}
/// <summary>
/// Gets properties whose values are GUIDs.
/// </summary>
/// <param name="propid">Identifier of the hierarchy property</param>
/// <param name="guid"> Pointer to a GUID property specified in propid</param>
/// <returns>If the method succeeds, it returns S_OK. If it fails, it returns an error code.</returns>
public override int GetGuidProperty(int propid, out Guid guid)
{
guid = Guid.Empty;
switch ((__VSHPROPID)propid)
{
case __VSHPROPID.VSHPROPID_ProjectIDGuid:
guid = this.projectInstanceGuid;
break;
default:
return base.GetGuidProperty(propid, out guid);
}
CCITracing.TraceCall(String.Format(CultureInfo.CurrentCulture, "Guid for {0} property", propid));
if (guid.CompareTo(Guid.Empty) == 0)
{
return VSConstants.DISP_E_MEMBERNOTFOUND;
}
return VSConstants.S_OK;
}
/// <summary>
/// Determines whether the hierarchy item changed.
/// </summary>
/// <param name="itemId">Item identifier of the hierarchy item contained in VSITEMID</param>
/// <param name="punkDocData">Pointer to the IUnknown interface of the hierarchy item. </param>
/// <param name="pfDirty">TRUE if the hierarchy item changed.</param>
/// <returns>If the method succeeds, it returns S_OK. If it fails, it returns an error code.</returns>
public override int IsItemDirty(uint itemId, IntPtr punkDocData, out int pfDirty)
{
Debug.Assert(this.nestedHierarchy != null, "The nested hierarchy object must be created before calling this method");
Debug.Assert(punkDocData != IntPtr.Zero, "docData intptr was zero");
// Get an IPersistFileFormat object from docData object
IPersistFileFormat persistFileFormat = Marshal.GetTypedObjectForIUnknown(punkDocData, typeof(IPersistFileFormat)) as IPersistFileFormat;
Debug.Assert(persistFileFormat != null, "The docData object does not implement the IPersistFileFormat interface");
// Call IsDirty on the IPersistFileFormat interface
ErrorHandler.ThrowOnFailure(persistFileFormat.IsDirty(out pfDirty));
return VSConstants.S_OK;
}
/// <summary>
/// Saves the hierarchy item to disk.
/// </summary>
/// <param name="dwSave">Flags whose values are taken from the VSSAVEFLAGS enumeration.</param>
/// <param name="silentSaveAsName">File name to be applied when dwSave is set to VSSAVE_SilentSave. </param>
/// <param name="itemid">Item identifier of the hierarchy item saved from VSITEMID. </param>
/// <param name="punkDocData">Pointer to the IUnknown interface of the hierarchy item saved.</param>
/// <param name="pfCancelled">TRUE if the save action was canceled. </param>
/// <returns>If the method succeeds, it returns S_OK. If it fails, it returns an error code.</returns>
public override int SaveItem(VSSAVEFLAGS dwSave, string silentSaveAsName, uint itemid, IntPtr punkDocData, out int pfCancelled)
{
// Don't ignore/unignore file changes
// Use Advise/Unadvise to work around rename situations
try
{
this.StopObservingNestedProjectFile();
Debug.Assert(this.nestedHierarchy != null, "The nested hierarchy object must be created before calling this method");
Debug.Assert(punkDocData != IntPtr.Zero, "docData intptr was zero");
// Get an IPersistFileFormat object from docData object (we don't call release on punkDocData since did not increment its ref count)
IPersistFileFormat persistFileFormat = Marshal.GetTypedObjectForIUnknown(punkDocData, typeof(IPersistFileFormat)) as IPersistFileFormat;
Debug.Assert(persistFileFormat != null, "The docData object does not implement the IPersistFileFormat interface");
IVsUIShell uiShell = this.GetService(typeof(SVsUIShell)) as IVsUIShell;
string newName;
ErrorHandler.ThrowOnFailure(uiShell.SaveDocDataToFile(dwSave, persistFileFormat, silentSaveAsName, out newName, out pfCancelled));
// When supported do a rename of the nested project here
}
finally
{
// Succeeded or not we must hook to the file change events
// Don't ignore/unignore file changes
// Use Advise/Unadvise to work around rename situations
this.ObserveNestedProjectFile();
}
return VSConstants.S_OK;
}
/// <summary>
/// Gets the icon handle. It tries first the nested to get the icon handle. If that is not supported it will get it from
/// the image list of the nested if that is supported. If neither of these is supported a default image will be shown.
/// </summary>
/// <returns>An object representing the icon.</returns>
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA1806:DoNotIgnoreMethodResults", MessageId = "Microsoft.VisualStudio.Shell.Interop.IVsHierarchy.GetProperty(System.UInt32,System.Int32,System.Object@)")]
public override object GetIconHandle(bool open)
{
Debug.Assert(this.nestedHierarchy != null, "The nested hierarchy object must be created before calling this method");
object iconHandle = null;
this.nestedHierarchy.GetProperty(VSConstants.VSITEMID_ROOT, (int)__VSHPROPID.VSHPROPID_IconHandle, out iconHandle);
if (iconHandle == null)
{
if (null == imageHandler)
{
InitImageHandler();
}
// Try to get an icon from the nested hierrachy image list.
if (imageHandler.ImageList != null)
{
object imageIndexAsObject = null;
if (this.nestedHierarchy.GetProperty(VSConstants.VSITEMID_ROOT, (int)__VSHPROPID.VSHPROPID_IconIndex, out imageIndexAsObject) == VSConstants.S_OK &&
imageIndexAsObject != null)
{
int imageIndex = (int)imageIndexAsObject;
if (imageIndex < imageHandler.ImageList.Images.Count)
{
iconHandle = imageHandler.GetIconHandle(imageIndex);
}
}
}
if (null == iconHandle)
{
iconHandle = this.ProjectMgr.ImageHandler.GetIconHandle((int)ProjectNode.ImageName.Application);
}
}
return iconHandle;
}
/// <summary>
/// Return S_OK. Implementation of Closing a nested project is done in CloseNestedProject which is called by CloseChildren.
/// </summary>
/// <returns>S_OK</returns>
public override int Close()
{
return VSConstants.S_OK;
}
/// <summary>
/// Returns the moniker of the nested project.
/// </summary>
/// <returns></returns>
public override string GetMkDocument()
{
Debug.Assert(this.nestedHierarchy != null, "The nested hierarchy object must be created before calling this method");
if (this.isDisposed || this.ProjectMgr == null || this.ProjectMgr.IsClosed)
{
return String.Empty;
}
return this.projectPath;
}
/// <summary>
/// Called by the shell when a node has been renamed from the GUI
/// </summary>
/// <param name="label">The name of the new label.</param>
/// <returns>A success or failure value.</returns>
public override int SetEditLabel(string label)
{
int result = this.DelegateSetPropertyToNested((int)__VSHPROPID.VSHPROPID_EditLabel, label);
if (ErrorHandler.Succeeded(result))
{
this.RenameNestedProjectInParentProject(label);
}
return result;
}
/// <summary>
/// Called by the shell to get the node caption when the user tries to rename from the GUI
/// </summary>
/// <returns>the node cation</returns>
public override string GetEditLabel()
{
return (string)this.DelegateGetPropertyToNested((int)__VSHPROPID.VSHPROPID_EditLabel);
}
/// <summary>
/// This is temporary until we have support for re-adding a nested item
/// </summary>
protected override bool CanDeleteItem(__VSDELETEITEMOPERATION deleteOperation)
{
return false;
}
/// <summary>
/// Delegates the call to the inner hierarchy.
/// </summary>
/// <param name="reserved">Reserved parameter defined at the IVsPersistHierarchyItem2::ReloadItem parameter.</param>
protected internal override void ReloadItem(uint reserved)
{
#region precondition
if (this.isDisposed || this.ProjectMgr == null || this.ProjectMgr.IsClosed)
{
throw new InvalidOperationException();
}
Debug.Assert(this.nestedHierarchy != null, "The nested hierarchy object must be created before calling this method");
#endregion
IVsPersistHierarchyItem2 persistHierachyItem = this.nestedHierarchy as IVsPersistHierarchyItem2;
// We are expecting that if we get called then the nestedhierarchy supports IVsPersistHierarchyItem2, since then hierrachy should support handling its own reload.
// There should be no errormessage to the user since this is an internal error, that it cannot be fixed at user level.
if (persistHierachyItem == null)
{
throw new InvalidOperationException();
}
ErrorHandler.ThrowOnFailure(persistHierachyItem.ReloadItem(VSConstants.VSITEMID_ROOT, reserved));
}
/// <summary>
/// Flag indicating that changes to a file can be ignored when item is saved or reloaded.
/// </summary>
/// <param name="ignoreFlag">Flag indicating whether or not to ignore changes (1 to ignore, 0 to stop ignoring).</param>
protected internal override void IgnoreItemFileChanges(bool ignoreFlag)
{
#region precondition
if (this.isDisposed || this.ProjectMgr == null || this.ProjectMgr.IsClosed)
{
throw new InvalidOperationException();
}
Debug.Assert(this.nestedHierarchy != null, "The nested hierarchy object must be created before calling this method");
#endregion
this.IgnoreNestedProjectFile(ignoreFlag);
IVsPersistHierarchyItem2 persistHierachyItem = this.nestedHierarchy as IVsPersistHierarchyItem2;
// If the IVsPersistHierarchyItem2 is not implemented by the nested just return
if (persistHierachyItem == null)
{
return;
}
ErrorHandler.ThrowOnFailure(persistHierachyItem.IgnoreItemFileChanges(VSConstants.VSITEMID_ROOT, ignoreFlag ? 1 : 0));
}
/// <summary>
/// Sets the VSADDFILEFLAGS that will be used to call the IVsTrackProjectDocumentsEvents2 OnAddFiles
/// </summary>
/// <param name="files">The files to which an array of VSADDFILEFLAGS has to be specified.</param>
/// <returns></returns>
protected internal override VSADDFILEFLAGS[] GetAddFileFlags(string[] files)
{
if (files == null || files.Length == 0)
{
return new VSADDFILEFLAGS[1] { VSADDFILEFLAGS.VSADDFILEFLAGS_NoFlags };
}
VSADDFILEFLAGS[] addFileFlags = new VSADDFILEFLAGS[files.Length];
for (int i = 0; i < files.Length; i++)
{
addFileFlags[i] = VSADDFILEFLAGS.VSADDFILEFLAGS_IsNestedProjectFile;
}
return addFileFlags;
}
/// <summary>
/// Sets the VSQUERYADDFILEFLAGS that will be used to call the IVsTrackProjectDocumentsEvents2 OnQueryAddFiles
/// </summary>
/// <param name="files">The files to which an array of VSADDFILEFLAGS has to be specified.</param>
/// <returns></returns>
protected internal override VSQUERYADDFILEFLAGS[] GetQueryAddFileFlags(string[] files)
{
if (files == null || files.Length == 0)
{
return new VSQUERYADDFILEFLAGS[1] { VSQUERYADDFILEFLAGS.VSQUERYADDFILEFLAGS_NoFlags };
}
VSQUERYADDFILEFLAGS[] queryAddFileFlags = new VSQUERYADDFILEFLAGS[files.Length];
for (int i = 0; i < files.Length; i++)
{
queryAddFileFlags[i] = VSQUERYADDFILEFLAGS.VSQUERYADDFILEFLAGS_IsNestedProjectFile;
}
return queryAddFileFlags;
}
/// <summary>
/// Sets the VSREMOVEFILEFLAGS that will be used to call the IVsTrackProjectDocumentsEvents2 OnRemoveFiles
/// </summary>
/// <param name="files">The files to which an array of VSREMOVEFILEFLAGS has to be specified.</param>
/// <returns></returns>
protected internal override VSREMOVEFILEFLAGS[] GetRemoveFileFlags(string[] files)
{
if (files == null || files.Length == 0)
{
return new VSREMOVEFILEFLAGS[1] { VSREMOVEFILEFLAGS.VSREMOVEFILEFLAGS_NoFlags };
}
VSREMOVEFILEFLAGS[] removeFileFlags = new VSREMOVEFILEFLAGS[files.Length];
for (int i = 0; i < files.Length; i++)
{
removeFileFlags[i] = VSREMOVEFILEFLAGS.VSREMOVEFILEFLAGS_IsNestedProjectFile;
}
return removeFileFlags;
}
/// <summary>
/// Sets the VSQUERYREMOVEFILEFLAGS that will be used to call the IVsTrackProjectDocumentsEvents2 OnQueryRemoveFiles
/// </summary>
/// <param name="files">The files to which an array of VSQUERYREMOVEFILEFLAGS has to be specified.</param>
/// <returns></returns>
protected internal override VSQUERYREMOVEFILEFLAGS[] GetQueryRemoveFileFlags(string[] files)
{
if (files == null || files.Length == 0)
{
return new VSQUERYREMOVEFILEFLAGS[1] { VSQUERYREMOVEFILEFLAGS.VSQUERYREMOVEFILEFLAGS_NoFlags };
}
VSQUERYREMOVEFILEFLAGS[] queryRemoveFileFlags = new VSQUERYREMOVEFILEFLAGS[files.Length];
for (int i = 0; i < files.Length; i++)
{
queryRemoveFileFlags[i] = VSQUERYREMOVEFILEFLAGS.VSQUERYREMOVEFILEFLAGS_IsNestedProjectFile;
}
return queryRemoveFileFlags;
}
#endregion
#region virtual methods
/// <summary>
/// Initialize the nested hierarhy node.
/// </summary>
/// <param name="fileName">The file name of the nested project.</param>
/// <param name="destination">The location of the nested project.</param>
/// <param name="projectName">The name of the project.</param>
/// <param name="createFlags">The nested project creation flags </param>
/// <remarks>This methos should be called just after a NestedProjectNode object is created.</remarks>
public virtual void Init(string fileName, string destination, string projectName, __VSCREATEPROJFLAGS createFlags)
{
if (String.IsNullOrEmpty(fileName))
{
throw new ArgumentException(SR.GetString(SR.ParameterCannotBeNullOrEmpty, CultureInfo.CurrentUICulture), "fileName");
}
if (String.IsNullOrEmpty(destination))
{
throw new ArgumentException(SR.GetString(SR.ParameterCannotBeNullOrEmpty, CultureInfo.CurrentUICulture), "destination");
}
this.projectName = Path.GetFileName(fileName);
this.projectPath = Path.Combine(destination, this.projectName);
// get the IVsSolution interface from the global service provider
IVsSolution solution = this.GetService(typeof(IVsSolution)) as IVsSolution;
Debug.Assert(solution != null, "Could not get the IVsSolution object from the services exposed by this project");
if (solution == null)
{
throw new InvalidOperationException();
}
// Get the project type guid from project element
string typeGuidString = this.ItemNode.GetMetadataAndThrow(ProjectFileConstants.TypeGuid, new InvalidOperationException());
Guid projectFactoryGuid = Guid.Empty;
if (!String.IsNullOrEmpty(typeGuidString))
{
projectFactoryGuid = new Guid(typeGuidString);
}
// Get the project factory.
IVsProjectFactory projectFactory;
ErrorHandler.ThrowOnFailure(solution.GetProjectFactory((uint)0, new Guid[] { projectFactoryGuid }, fileName, out projectFactory));
this.CreateProjectDirectory();
//Create new project using factory
int cancelled;
Guid refiid = NativeMethods.IID_IUnknown;
IntPtr projectPtr = IntPtr.Zero;
try
{
ErrorHandler.ThrowOnFailure(projectFactory.CreateProject(fileName, destination, projectName, (uint)createFlags, ref refiid, out projectPtr, out cancelled));
if (projectPtr != IntPtr.Zero)
{
this.nestedHierarchy = Marshal.GetTypedObjectForIUnknown(projectPtr, typeof(IVsHierarchy)) as IVsHierarchy;
Debug.Assert(this.nestedHierarchy != null, "Nested hierarchy could not be created");
Debug.Assert(cancelled == 0);
}
}
finally
{
if (projectPtr != IntPtr.Zero)
{
// We created a new instance of the project, we need to call release to decrement the ref count
// the RCW (this.nestedHierarchy) still has a reference to it which will keep it alive
Marshal.Release(projectPtr);
}
}
if (cancelled != 0 && this.nestedHierarchy == null)
{
ErrorHandler.ThrowOnFailure(VSConstants.OLE_E_PROMPTSAVECANCELLED);
}
// Link into the nested VS hierarchy.
ErrorHandler.ThrowOnFailure(this.nestedHierarchy.SetProperty(VSConstants.VSITEMID_ROOT, (int)__VSHPROPID.VSHPROPID_ParentHierarchy, this.ProjectMgr));
ErrorHandler.ThrowOnFailure(this.nestedHierarchy.SetProperty(VSConstants.VSITEMID_ROOT, (int)__VSHPROPID.VSHPROPID_ParentHierarchyItemid, (object)(int)this.ID));
this.LockRDTEntry();
this.ConnectPropertyNotifySink();
}
/// <summary>
/// Links a nested project as a virtual project to the solution.
/// </summary>
protected internal virtual void AddVirtualProject()
{
// This is the second step in creating and adding a nested project. The inner hierarchy must have been
// already initialized at this point.
#region precondition
if (this.nestedHierarchy == null)
{
throw new InvalidOperationException();
}
#endregion
// get the IVsSolution interface from the global service provider
IVsSolution solution = this.GetService(typeof(IVsSolution)) as IVsSolution;
Debug.Assert(solution != null, "Could not get the IVsSolution object from the services exposed by this project");
if (solution == null)
{
throw new InvalidOperationException();
}
this.InitializeInstanceGuid();
// Add virtual project to solution.
ErrorHandler.ThrowOnFailure(solution.AddVirtualProjectEx(this.nestedHierarchy, this.VirtualProjectFlags, ref this.projectInstanceGuid));
// Now set up to listen on file changes on the nested project node.
this.ObserveNestedProjectFile();
}
/// <summary>
/// The method that does the cleanup.
/// </summary>
/// <param name="disposing"></param>
protected override void Dispose(bool disposing)
{
// Everybody can go here.
if (!this.isDisposed)
{
try
{
// Synchronize calls to the Dispose simulteniously.
lock (Mutex)
{
if (disposing)
{
this.DisconnectPropertyNotifySink();
this.StopObservingNestedProjectFile();
// If a project cannot load it may happen that the imagehandler is not instantiated.
if (this.imageHandler != null)
{
this.imageHandler.Close();
}
}
}
}
finally
{
base.Dispose(disposing);
this.isDisposed = true;
}
}
}
/// <summary>
/// Creates the project directory if it does not exist.
/// </summary>
/// <returns></returns>
protected virtual void CreateProjectDirectory()
{
string directoryName = Path.GetDirectoryName(this.projectPath);
if (!Directory.Exists(directoryName))
{
Directory.CreateDirectory(directoryName);
}
}
/// <summary>
/// Lock the RDT Entry for the nested project.
/// By default this document is marked as "Dont Save as". That means the menu File->SaveAs is disabled for the
/// nested project node.
/// </summary>
[SuppressMessage("Microsoft.Naming", "CA1709:IdentifiersShouldBeCasedCorrectly", MessageId = "RDT")]
protected virtual void LockRDTEntry()
{
// Define flags for the nested project document
_VSRDTFLAGS flags = _VSRDTFLAGS.RDT_VirtualDocument | _VSRDTFLAGS.RDT_ProjSlnDocument; ;
// Request the RDT service
IVsRunningDocumentTable rdt = this.GetService(typeof(SVsRunningDocumentTable)) as IVsRunningDocumentTable;
Debug.Assert(rdt != null, " Could not get running document table from the services exposed by this project");
if (rdt == null)
{
throw new InvalidOperationException();
}
// First we see if someone else has opened the requested view of the file.
uint itemid;
IntPtr docData = IntPtr.Zero;
IVsHierarchy ivsHierarchy;
uint docCookie;
IntPtr projectPtr = IntPtr.Zero;
try
{
ErrorHandler.ThrowOnFailure(rdt.FindAndLockDocument((uint)flags, this.projectPath, out ivsHierarchy, out itemid, out docData, out docCookie));
flags |= _VSRDTFLAGS.RDT_EditLock;
if (ivsHierarchy != null && docCookie != (uint)ShellConstants.VSDOCCOOKIE_NIL)
{
if (docCookie != this.DocCookie)
{
this.DocCookie = docCookie;
}
}
else
{
// get inptr for hierarchy
projectPtr = Marshal.GetIUnknownForObject(this.nestedHierarchy);
Debug.Assert(projectPtr != IntPtr.Zero, " Project pointer for the nested hierarchy has not been initialized");
ErrorHandler.ThrowOnFailure(rdt.RegisterAndLockDocument((uint)flags, this.projectPath, this.ProjectMgr.InteropSafeIVsHierarchy, this.ID, projectPtr, out docCookie));
this.DocCookie = docCookie;
Debug.Assert(this.DocCookie != (uint)ShellConstants.VSDOCCOOKIE_NIL, "Invalid cookie when registering document in the running document table.");
//we must also set the doc cookie on the nested hier
this.SetDocCookieOnNestedHier(this.DocCookie);
}
}
finally
{
// Release all Inptr's that that were given as out pointers
if (docData != IntPtr.Zero)
{
Marshal.Release(docData);
}
if (projectPtr != IntPtr.Zero)
{
Marshal.Release(projectPtr);
}
}
}
/// <summary>
/// Unlock the RDT entry for the nested project
/// </summary>
[SuppressMessage("Microsoft.Naming", "CA1709:IdentifiersShouldBeCasedCorrectly", MessageId = "RDT")]
protected virtual void UnlockRDTEntry()
{
if (this.isDisposed || this.ProjectMgr == null || this.ProjectMgr.IsClosed)
{
return;
}
// First we see if someone else has opened the requested view of the file.
IVsRunningDocumentTable rdt = this.GetService(typeof(SVsRunningDocumentTable)) as IVsRunningDocumentTable;
if (rdt != null && this.DocCookie != (int)ShellConstants.VSDOCCOOKIE_NIL)
{
_VSRDTFLAGS flags = _VSRDTFLAGS.RDT_EditLock;
ErrorHandler.ThrowOnFailure(rdt.UnlockDocument((uint)flags, (uint)this.DocCookie));
}
this.DocCookie = (int)ShellConstants.VSDOCCOOKIE_NIL;
}
/// <summary>
/// Renames the project file in the parent project structure.
/// </summary>
/// <param name="label">The new label.</param>
protected virtual void RenameNestedProjectInParentProject(string label)
{
string existingLabel = this.Caption;
if (String.Compare(existingLabel, label, StringComparison.Ordinal) == 0)
{
return;
}
string oldFileName = this.projectPath;
string oldPath = this.Url;
try
{
this.StopObservingNestedProjectFile();
this.ProjectMgr.SuspendMSBuild();
// Check out the project file if necessary.
if (!this.ProjectMgr.QueryEditProjectFile(false))
{
throw Marshal.GetExceptionForHR(VSConstants.OLE_E_PROMPTSAVECANCELLED);
}
string newFileName = label + Path.GetExtension(oldFileName);
this.SaveNestedProjectItemInProjectFile(newFileName);
string projectDirectory = Path.GetDirectoryName(oldFileName);
// update state.
this.projectName = newFileName;
this.projectPath = Path.Combine(projectDirectory, this.projectName);
// Unload and lock the RDT entries
this.UnlockRDTEntry();
this.LockRDTEntry();
// Since actually this is a rename in our hierarchy notify the tracker that a rename has happened.
this.ProjectMgr.Tracker.OnItemRenamed(oldPath, this.projectPath, VSRENAMEFILEFLAGS.VSRENAMEFILEFLAGS_IsNestedProjectFile);
}
finally
{
this.ObserveNestedProjectFile();
this.ProjectMgr.ResumeMSBuild(this.ProjectMgr.ReEvaluateProjectFileTargetName);
}
}
/// <summary>
/// Saves the nested project information in the project file.
/// </summary>
/// <param name="newFileName"></param>
protected virtual void SaveNestedProjectItemInProjectFile(string newFileName)
{
string existingInclude = this.ItemNode.Item.EvaluatedInclude;
string existingRelativePath = Path.GetDirectoryName(existingInclude);
string newRelativePath = Path.Combine(existingRelativePath, newFileName);
this.ItemNode.Rename(newRelativePath);
}
#endregion
#region helper methods
/// <summary>
/// Closes a nested project and releases the nested hierrachy pointer.
/// </summary>
internal void CloseNestedProjectNode()
{
if (this.isDisposed || this.ProjectMgr == null || this.ProjectMgr.IsClosed)
{
return;
}
uint itemid = VSConstants.VSITEMID_NIL;
try
{
this.DisconnectPropertyNotifySink();
IVsUIHierarchy hier;
IVsWindowFrame windowFrame;
VsShellUtilities.IsDocumentOpen(this.ProjectMgr.Site, this.projectPath, Guid.Empty, out hier, out itemid, out windowFrame);
if (itemid == VSConstants.VSITEMID_NIL)
{
this.UnlockRDTEntry();
}
IVsSolution solution = this.GetService(typeof(IVsSolution)) as IVsSolution;
if (solution == null)
{
throw new InvalidOperationException();
}
ErrorHandler.ThrowOnFailure(solution.RemoveVirtualProject(this.nestedHierarchy, 0));
}
finally
{
this.StopObservingNestedProjectFile();
// if we haven't already release the RDT cookie, do so now.
if (itemid == VSConstants.VSITEMID_NIL)
{
this.UnlockRDTEntry();
}
this.Dispose(true);
}
}
private void InitializeInstanceGuid()
{
if (this.projectInstanceGuid != Guid.Empty)
{
return;
}
Guid instanceGuid = Guid.Empty;
Debug.Assert(this.nestedHierarchy != null, "The nested hierarchy object must be created before calling this method");
// This method should be called from the open children method, then we can safely use the IsNewProject property
if (this.ProjectMgr.IsNewProject)
{
instanceGuid = Guid.NewGuid();
this.ItemNode.SetMetadata(ProjectFileConstants.InstanceGuid, instanceGuid.ToString("B"));
ErrorHandler.ThrowOnFailure(this.nestedHierarchy.SetGuidProperty(VSConstants.VSITEMID_ROOT, (int)__VSHPROPID.VSHPROPID_ProjectIDGuid, ref instanceGuid));
}
else
{
// Get a guid from the nested hiererachy.
Guid nestedHiererachyInstanceGuid;
ErrorHandler.ThrowOnFailure(this.nestedHierarchy.GetGuidProperty(VSConstants.VSITEMID_ROOT, (int)__VSHPROPID.VSHPROPID_ProjectIDGuid, out nestedHiererachyInstanceGuid));
// Get instance guid from the project file. If it does not exist then we create one.
string instanceGuidAsString = this.ItemNode.GetMetadata(ProjectFileConstants.InstanceGuid);
// 1. nestedHiererachyInstanceGuid is empty and instanceGuidAsString is empty then create a new one.
// 2. nestedHiererachyInstanceGuid is empty and instanceGuidAsString not empty use instanceGuidAsString and update the nested project object by calling SetGuidProperty.
// 3. nestedHiererachyInstanceGuid is not empty instanceGuidAsString is empty then use nestedHiererachyInstanceGuid and update the outer project element.
// 4. nestedHiererachyInstanceGuid is not empty instanceGuidAsString is empty then use nestedHiererachyInstanceGuid and update the outer project element.
if (nestedHiererachyInstanceGuid == Guid.Empty && String.IsNullOrEmpty(instanceGuidAsString))
{
instanceGuid = Guid.NewGuid();
}
else if (nestedHiererachyInstanceGuid == Guid.Empty && !String.IsNullOrEmpty(instanceGuidAsString))
{
instanceGuid = new Guid(instanceGuidAsString);
ErrorHandler.ThrowOnFailure(this.nestedHierarchy.SetGuidProperty(VSConstants.VSITEMID_ROOT, (int)__VSHPROPID.VSHPROPID_ProjectIDGuid, ref instanceGuid));
}
else if (nestedHiererachyInstanceGuid != Guid.Empty)
{
instanceGuid = nestedHiererachyInstanceGuid;
// If the instanceGuidAsString is empty then creating a guid out of it would throw an exception.
if (String.IsNullOrEmpty(instanceGuidAsString) || nestedHiererachyInstanceGuid != new Guid(instanceGuidAsString))
{
this.ItemNode.SetMetadata(ProjectFileConstants.InstanceGuid, instanceGuid.ToString("B"));
}
}
}
this.projectInstanceGuid = instanceGuid;
}
private void SetDocCookieOnNestedHier(uint itemDocCookie)
{
object docCookie = (int)itemDocCookie;
try
{
ErrorHandler.ThrowOnFailure(this.nestedHierarchy.SetProperty(VSConstants.VSITEMID_ROOT, (int)__VSHPROPID.VSHPROPID_ItemDocCookie, docCookie));
}
catch (NotImplementedException)
{
//we swallow this exception on purpose
}
}
private void InitImageHandler()
{
Debug.Assert(this.nestedHierarchy != null, "The nested hierarchy object must be created before calling this method");
if (null == imageHandler)
{
imageHandler = new ImageHandler();
}
object imageListAsPointer = null;
ErrorHandler.ThrowOnFailure(this.nestedHierarchy.GetProperty(VSConstants.VSITEMID_ROOT, (int)__VSHPROPID.VSHPROPID_IconImgList, out imageListAsPointer));
if (imageListAsPointer != null)
{
this.imageHandler.ImageList = Utilities.GetImageList(imageListAsPointer);
}
}
/// <summary>
/// Delegates Getproperty calls to the inner nested.
/// </summary>
/// <param name="propID">The property to delegate.</param>
/// <returns>The return of the GetProperty from nested.</returns>
private object DelegateGetPropertyToNested(int propID)
{
if (!this.ProjectMgr.IsClosed)
{
Debug.Assert(this.nestedHierarchy != null, "The nested hierarchy object must be created before calling this method");
object returnValue;
// Do not throw since some project types will return E_FAIL if they do not support a property.
int result = this.nestedHierarchy.GetProperty(VSConstants.VSITEMID_ROOT, propID, out returnValue);
if (ErrorHandler.Succeeded(result))
{
return returnValue;
}
}
return null;
}
/// <summary>
/// Delegates Setproperty calls to the inner nested.
/// </summary>
/// <param name="propID">The property to delegate.</param>
/// <param name="value">The property to set.</param>
/// <returns>The return of the SetProperty from nested.</returns>
private int DelegateSetPropertyToNested(int propID, object value)
{
if (this.ProjectMgr.IsClosed)
{
return VSConstants.E_FAIL;
}
Debug.Assert(this.nestedHierarchy != null, "The nested hierarchy object must be created before calling this method");
// Do not throw since some project types will return E_FAIL if they do not support a property.
return this.nestedHierarchy.SetProperty(VSConstants.VSITEMID_ROOT, propID, value);
}
/// <summary>
/// Starts observing changes on this file.
/// </summary>
private void ObserveNestedProjectFile()
{
ProjectContainerNode parent = this.ProjectMgr as ProjectContainerNode;
Debug.Assert(parent != null, "The parent project for nested projects should be subclassed from ProjectContainerNode");
parent.NestedProjectNodeReloader.ObserveItem(this.GetMkDocument(), this.ID);
}
/// <summary>
/// Stops observing changes on this file.
/// </summary>
private void StopObservingNestedProjectFile()
{
ProjectContainerNode parent = this.ProjectMgr as ProjectContainerNode;
Debug.Assert(parent != null, "The parent project for nested projects should be subclassed from ProjectContainerNode");
parent.NestedProjectNodeReloader.StopObservingItem(this.GetMkDocument());
}
/// <summary>
/// Ignores observing changes on this file depending on the boolean flag.
/// </summary>
/// <param name="ignoreFlag">Flag indicating whether or not to ignore changes (1 to ignore, 0 to stop ignoring).</param>
private void IgnoreNestedProjectFile(bool ignoreFlag)
{
ProjectContainerNode parent = this.ProjectMgr as ProjectContainerNode;
Debug.Assert(parent != null, "The parent project for nested projects should be subclassed from ProjectContainerNode");
parent.NestedProjectNodeReloader.IgnoreItemChanges(this.GetMkDocument(), ignoreFlag);
}
/// <summary>
/// We need to advise property notify sink on project properties so that
/// we know when the project file is renamed through a property.
/// </summary>
private void ConnectPropertyNotifySink()
{
if (this.projectPropertyNotifySinkCookie != (uint)ShellConstants.VSCOOKIE_NIL)
{
return;
}
IConnectionPoint connectionPoint = this.GetConnectionPointFromPropertySink();
if (connectionPoint != null)
{
connectionPoint.Advise(this, out this.projectPropertyNotifySinkCookie);
}
}
/// <summary>
/// Disconnects the propertynotify sink
/// </summary>
private void DisconnectPropertyNotifySink()
{
if (this.projectPropertyNotifySinkCookie == (uint)ShellConstants.VSCOOKIE_NIL)
{
return;
}
IConnectionPoint connectionPoint = this.GetConnectionPointFromPropertySink();
if (connectionPoint != null)
{
connectionPoint.Unadvise(this.projectPropertyNotifySinkCookie);
this.projectPropertyNotifySinkCookie = (uint)ShellConstants.VSCOOKIE_NIL;
}
}
/// <summary>
/// Gets a ConnectionPoint for the IPropertyNotifySink interface.
/// </summary>
/// <returns></returns>
private IConnectionPoint GetConnectionPointFromPropertySink()
{
IConnectionPoint connectionPoint = null;
object browseObject = this.GetProperty((int)__VSHPROPID.VSHPROPID_BrowseObject);
IConnectionPointContainer connectionPointContainer = browseObject as IConnectionPointContainer;
if (connectionPointContainer != null)
{
Guid guid = typeof(IPropertyNotifySink).GUID;
connectionPointContainer.FindConnectionPoint(ref guid, out connectionPoint);
}
return connectionPoint;
}
#endregion
}
}