/***************************************************************************
Copyright (c) Microsoft Corporation. All rights reserved.
This code is licensed under the Visual Studio SDK license terms.
THIS CODE IS PROVIDED *AS IS* WITHOUT WARRANTY OF
ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING ANY
IMPLIED WARRANTIES OF FITNESS FOR A PARTICULAR
PURPOSE, MERCHANTABILITY, OR NON-INFRINGEMENT.
***************************************************************************/
using System;
using Microsoft.VisualStudio.Shell.Interop;
using Microsoft.VisualStudio.Shell;
using System.Runtime.InteropServices;
using System.Collections.Generic;
using System.Collections;
using System.Diagnostics;
using System.IO;
using IServiceProviderSystem.IServiceProvider;
using Microsoft.VisualStudio.OLE.Interop;
using EnvDTE;
using VSConstantsMicrosoft.VisualStudio.VSConstants;
using System.Diagnostics.CodeAnalysis;
using System.Globalization;
namespace Microsoft.VisualStudio.Package.Automation{
/// <summary>
/// Represents an automation object for a file in a project
/// </summary>
[SuppressMessage("Microsoft.Interoperability", "CA1405:ComVisibleTypeBaseTypesShouldBeComVisible")]
[ComVisible(true), CLSCompliant(false)]
public class OAFileItem : OAProjectItem<FileNode>
{
#region ctors
public OAFileItem(OAProject project, FileNode node)
: base(project, node)
{
}
#endregion
#region overridden methods
/// <summary>
/// Returns the dirty state of the document.
/// </summary>
/// <exception cref="InvalidOperationException">Is thrown if the project is closed or it the service provider attached to the project is invalid.</exception>
/// <exception cref="ComException">Is thrown if the dirty state cannot be retrived.</exception>
public override bool IsDirty
{
get
{
if (this.Node == null || this.Node.ProjectMgr == null || this.Node.ProjectMgr.IsClosed || this.Node.ProjectMgr.Site == null)
{
throw new InvalidOperationException();
}
IVsExtensibility3 extensibility = this.Node.ProjectMgr.Site.GetService(typeof(IVsExtensibility)) as IVsExtensibility3;
if (extensibility == null)
{
throw new InvalidOperationException();
}
bool isDirty = false;
extensibility.EnterAutomationFunction();
try
{
DocumentManager manager = this.Node.GetDocumentManager();
if (manager == null)
{
throw new InvalidOperationException();
}
bool isOpen, isOpenedByUs;
uint docCookie;
IVsPersistDocData persistDocData;
manager.GetDocInfo(out isOpen, out isDirty, out isOpenedByUs, out docCookie, out persistDocData);
}
finally
{
extensibility.ExitAutomationFunction();
}
return isDirty;
}
}
/// <summary>
/// Gets the Document associated with the item, if one exists.
/// </summary>
public override EnvDTE.Document Document
{
get
{
if (this.Node == null || this.Node.ProjectMgr == null || this.Node.ProjectMgr.IsClosed || this.Node.ProjectMgr.Site == null)
{
throw new InvalidOperationException();
}
IVsExtensibility3 extensibility = this.Node.ProjectMgr.Site.GetService(typeof(IVsExtensibility)) as IVsExtensibility3;
if (extensibility == null)
{
throw new InvalidOperationException();
}
EnvDTE.Document document = null;
extensibility.EnterAutomationFunction();
try
{
IVsUIHierarchy hier;
uint itemid;
IVsWindowFrame windowFrame;
VsShellUtilities.IsDocumentOpen(this.Node.ProjectMgr.Site, this.Node.Url, NativeMethods.LOGVIEWID_Any, out hier, out itemid, out windowFrame);
if (windowFrame != null)
{
object var;
ErrorHandler.ThrowOnFailure(windowFrame.GetProperty((int)__VSFPROPID.VSFPROPID_DocCookie, out var));
object documentAsObject;
extensibility.GetDocumentFromDocCookie((int)var, out documentAsObject);
if (documentAsObject == null)
{
throw new InvalidOperationException();
}
else
{
document = (Document)documentAsObject;
}
}
}
finally
{
extensibility.ExitAutomationFunction();
}
return document;
}
}
/// <summary>
/// Opens the file item in the specified view.
/// </summary>
/// <param name="ViewKind">Specifies the view kind in which to open the item (file)</param>
/// <returns>Window object</returns>
public override EnvDTE.Window Open(string viewKind)
{
if (this.Node == null || this.Node.ProjectMgr == null || this.Node.ProjectMgr.IsClosed || this.Node.ProjectMgr.Site == null)
{
throw new InvalidOperationException();
}
// tell extensibility we are entering automation
IServiceProvider serviceProvider = this.Node.ProjectMgr.Site;
IVsExtensibility3 extensibility = this.Node.ProjectMgr.Site.GetService(typeof(IVsExtensibility)) as IVsExtensibility3;
if (extensibility == null)
{
throw new InvalidOperationException();
}
IVsWindowFrame windowFrame = null;
IntPtr docData = IntPtr.Zero;
extensibility.EnterAutomationFunction();
try
{
// Validate input params
Guid logicalViewGuid = VSConstants.LOGVIEWID_Primary;
try
{
if (!(String.IsNullOrEmpty(viewKind)))
{
logicalViewGuid = new Guid(viewKind);
}
}
catch (FormatException)
{
// Not a valid guid
throw new ArgumentException(SR.GetString(SR.ParameterMustBeAValidGuid, CultureInfo.CurrentUICulture), "viewKind");
}
uint itemid;
IVsHierarchy ivsHierarchy;
uint docCookie;
IVsRunningDocumentTable rdt = this.Node.ProjectMgr.Site.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();
}
ErrorHandler.ThrowOnFailure(rdt.FindAndLockDocument((uint)_VSRDTFLAGS.RDT_NoLock, this.Node.Url, out ivsHierarchy, out itemid, out docData, out docCookie));
// Open the file using the IVsProject3 interface
ErrorHandler.ThrowOnFailure(this.Node.ProjectMgr.OpenItem(this.Node.ID, ref logicalViewGuid, docData, out windowFrame));
}
finally
{
// make sure we tell extensibility that we have left automation
extensibility.ExitAutomationFunction();
if (docData != IntPtr.Zero)
{
Marshal.Release(docData);
}
}
// Get the automation object and return it
return ((windowFrame != null) ? VsShellUtilities.GetWindowObject(windowFrame) : null);
}
/// <summary>
/// Saves the project item.
/// </summary>
/// <param name="fileName">The name with which to save the project or project item.</param>
/// <exception cref="InvalidOperationException">Is thrown if the save operation failes.</exception>
/// <exception cref="ArgumentNullException">Is thrown if fileName is null.</exception>
public override void Save(string fileName)
{
this.DoSave(false, fileName);
}
/// <summary>
/// Saves the project item.
/// </summary>
/// <param name="fileName">The file name with which to save the solution, project, or project item. If the file exists, it is overwritten</param>
/// <returns>true if the rename was successful. False if Save as failes</returns>
public override bool SaveAs(string fileName)
{
try
{
this.DoSave(true, fileName);
}
catch (InvalidOperationException)
{
return false;
}
catch (COMException)
{
return false;
}
return true;
}
/// <summary>
/// Gets a value indicating whether the project item is open in a particular view type.
/// </summary>
/// <param name="viewKind">A Constants.vsViewKind* indicating the type of view to check./param>
/// <returns>A Boolean value indicating true if the project is open in the given view type; false if not. </returns>
public override bool get_IsOpen(string viewKind)
{
if (this.Node == null || this.Node.ProjectMgr == null || this.Node.ProjectMgr.IsClosed || this.Node.ProjectMgr.Site == null)
{
throw new InvalidOperationException();
}
// Validate input params
Guid logicalViewGuid = VSConstants.LOGVIEWID_Primary;
try
{
if (!(String.IsNullOrEmpty(viewKind)))
{
logicalViewGuid = new Guid(viewKind);
}
}
catch (FormatException)
{
// Not a valid guid
throw new ArgumentException(SR.GetString(SR.ParameterMustBeAValidGuid, CultureInfo.CurrentUICulture), "viewKind");
}
IVsExtensibility3 extensibility = this.Node.ProjectMgr.Site.GetService(typeof(IVsExtensibility)) as IVsExtensibility3;
if (extensibility == null)
{
throw new InvalidOperationException();
}
bool isOpen = false;
extensibility.EnterAutomationFunction();
try
{
IVsUIHierarchy hier;
uint itemid;
IVsWindowFrame windowFrame;
isOpen = VsShellUtilities.IsDocumentOpen(this.Node.ProjectMgr.Site, this.Node.Url, logicalViewGuid, out hier, out itemid, out windowFrame);
}
finally
{
extensibility.ExitAutomationFunction();
}
return isOpen;
}
/// <summary>
/// Gets the ProjectItems for the object.
/// </summary>
public override ProjectItems ProjectItems
{
get
{
if (this.Project.Project.CanFileNodesHaveChilds)
return new OAProjectItems(this.Project, this.Node);
else
return base.ProjectItems;
}
}
#endregion
#region helpers
/// <summary>
/// Saves or Save As the file
/// </summary>
/// <param name="isCalledFromSaveAs">Flag determining which Save method called , the SaveAs or the Save.</param>
/// <param name="fileName">The name of the project file.</param>
private void DoSave(bool isCalledFromSaveAs, string fileName)
{
if (fileName == null)
{
throw new ArgumentNullException("fileName");
}
if (this.Node == null || this.Node.ProjectMgr == null || this.Node.ProjectMgr.IsClosed || this.Node.ProjectMgr.Site == null)
{
throw new InvalidOperationException();
}
IVsExtensibility3 extensibility = this.Node.ProjectMgr.Site.GetService(typeof(IVsExtensibility)) as IVsExtensibility3;
if (extensibility == null)
{
throw new InvalidOperationException();
}
extensibility.EnterAutomationFunction();
IntPtr docData = IntPtr.Zero;
try
{
IVsRunningDocumentTable rdt = this.Node.ProjectMgr.Site.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;
IVsHierarchy ivsHierarchy;
uint docCookie;
IntPtr projectPtr = IntPtr.Zero;
int canceled;
string url = this.Node.Url;
ErrorHandler.ThrowOnFailure(rdt.FindAndLockDocument((uint)_VSRDTFLAGS.RDT_NoLock, url, out ivsHierarchy, out itemid, out docData, out docCookie));
// If an empty file name is passed in for Save then make the file name the project name.
if (!isCalledFromSaveAs && fileName.Length == 0)
{
ErrorHandler.ThrowOnFailure(this.Node.ProjectMgr.SaveItem(VSSAVEFLAGS.VSSAVE_SilentSave, url, this.Node.ID, docData, out canceled));
}
else
{
Utilities.ValidateFileName(this.Node.ProjectMgr.Site, fileName);
// Compute the fullpath from the directory of the existing Url.
string fullPath = fileName;
if (!Path.IsPathRooted(fileName))
{
string directory = Path.GetDirectoryName(url);
fullPath = Path.Combine(directory, fileName);
}
if (!isCalledFromSaveAs)
{
if (!NativeMethods.IsSamePath(this.Node.Url, fullPath))
{
throw new InvalidOperationException();
}
ErrorHandler.ThrowOnFailure(this.Node.ProjectMgr.SaveItem(VSSAVEFLAGS.VSSAVE_SilentSave, fullPath, this.Node.ID, docData, out canceled));
}
else
{
ErrorHandler.ThrowOnFailure(this.Node.ProjectMgr.SaveItem(VSSAVEFLAGS.VSSAVE_SilentSave, fullPath, this.Node.ID, docData, out canceled));
}
}
if (canceled == 1)
{
throw new InvalidOperationException();
}
}
catch (COMException e)
{
throw new InvalidOperationException(e.Message);
}
finally
{
extensibility.ExitAutomationFunction();
if (docData != IntPtr.Zero)
{
Marshal.Release(docData);
}
}
}
#endregion
}
}
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