// --------------------------------------------------------------------------------------------
/// <summary>
/// This method is called directly before OnToolWindowCreated.
/// </summary>
// --------------------------------------------------------------------------------------------
private void OnToolWindowCreatedInternal()
{
VsDebug.Assert(_Frame != null, "Frame should be set before this method is called");
// --- If any property were set, set them on the frame.
Caption = _Caption;
BitmapResourceID = _BitmapResourceID;
BitmapIndex = _BitmapIndex;
}
// --------------------------------------------------------------------------------------------
/// <summary>
/// Releases unmanaged and - optionally - managed resources
/// </summary>
/// <param name="disposing">
/// <c>true</c> to release both managed and unmanaged resources; <c>false</c> to release only
/// unmanaged resources.
/// </param>
// --------------------------------------------------------------------------------------------
protected virtual void Dispose(bool disposing)
{
if (disposing)
{
if (_VsShell != null)
{
try
{
// --- Don't check for return code because here we can't do anything in case of failure.
_VsShell.UnadviseBroadcastMessages(_BroadcastEventCookie);
}
catch (SystemException)
{
// --- This exception is intentionally caught
}
_VsShell = null;
_BroadcastEventCookie = 0;
}
IWin32Window window = Window;
if (window is IDisposable)
{
try
{
((IDisposable)window).Dispose();
}
catch (Exception)
{
VsDebug.Fail("Failed to dispose window");
}
}
if (_CommandService != null && _CommandService is IDisposable)
{
try
{
((IDisposable)_CommandService).Dispose();
}
catch (Exception)
{
VsDebug.Fail("Failed to dispose command service");
}
}
_CommandService = null;
if (_ParentServiceProvider != null)
{
_ParentServiceProvider = null;
}
if (_HelpService != null)
{
_HelpService = null;
}
// --- Do not clear _ServiceProvider. SetSite will do it for us.
_Zombied = true;
}
}
// --------------------------------------------------------------------------------------------
/// <summary>
/// Obtains the menu information for a command handler method.
/// </summary>
/// <param name="idAttr">CommandID attribute belonging to the command.</param>
/// <param name="method">Method information to scan for attributes.</param>
/// <param name="defaultGuid">
/// Default GUID to be used if not defined with the command handler.
/// </param>
/// <returns>MenuCommandInfo instance about the method.</returns>
// --------------------------------------------------------------------------------------------
private static MenuCommandInfo ObtainCommandMethodAttributes(CommandIdAttribute idAttr, MethodInfo method, Guid defaultGuid)
{
var menuInfo = new MenuCommandInfo();
bool commandAttrFound = false;
foreach (var attr in method.GetCustomAttributes(true))
{
// --- Check for command method attributes
var cmdAttr = attr as CommandMethodAttribute;
if (cmdAttr != null)
{
if (commandAttrFound)
{
VsDebug.Fail(String.Format("Only one CommandMethodAttribute is allowed for {0}.{1}",
method.DeclaringType.Name, method.Name));
continue;
}
commandAttrFound = true;
if (cmdAttr is CommandStatusMethodAttribute)
{
menuInfo.QueryStatusMethod = method;
}
else if (cmdAttr is CommandExecMethodAttribute)
{
menuInfo.ExecMethod = method;
}
else if (cmdAttr is CommandChangeMethodAttribute)
{
menuInfo.ChangeMethod = method;
}
}
// --- Check command action
var actionAttr = attr as ActionAttribute;
if (actionAttr != null)
{
menuInfo.Action = actionAttr;
}
// --- Check promote flag
var promoteAttr = attr as PromoteAttribute;
if (promoteAttr != null)
{
menuInfo.Promote = true;
}
// --- Set command ID and handle the defaultvalue of the command GUID
menuInfo.Guid = idAttr.Guid == Guid.Empty
? defaultGuid
: idAttr.Guid;
menuInfo.Id = idAttr.Id;
}
return(menuInfo);
}
// --------------------------------------------------------------------------------------------
/// <summary>
/// Gets the service object of the specified type.
/// </summary>
/// <param name="serviceType">
/// An object that specifies the type of service object to get.
/// </param>
/// <returns>
/// A service object of type <paramref name="serviceType"/>.-or- null if there is no service
/// object of type <paramref name="serviceType"/>.
/// </returns>
// --------------------------------------------------------------------------------------------
protected virtual object GetService(Type serviceType)
{
if (_Zombied)
{
VsDebug.Fail("GetService called after WindowPane was zombied");
return(null);
}
if (serviceType == null)
{
throw new ArgumentNullException("serviceType");
}
// --- We provide IMenuCommandService, so we will demand create it. MenuCommandService also
// --- implements IOleCommandTarget, but unless someone requested IMenuCommandService no
// --- commands will exist, so we don't demand create for IOleCommandTarget
if (serviceType == typeof(IMenuCommandService))
{
EnsureCommandService();
return(_CommandService);
}
if (serviceType == typeof(IOleCommandTarget))
{
return(_CommandService);
}
if (serviceType == typeof(IHelpService))
{
if (_HelpService == null)
{
_HelpService = new HelpService(this);
}
return(_HelpService);
}
// --- Ask the
if (_ServiceProvider != null)
{
object service = _ServiceProvider.GetService(serviceType);
if (service != null)
{
return(service);
}
}
if (_ParentServiceProvider != null)
{
return(_ParentServiceProvider.GetService(serviceType));
}
return(null);
}
// --------------------------------------------------------------------------------------------
/// <summary>
/// Writes a VSPackage's configuration to disk using the Visual Studio settings mechanism when
/// the export option of an Import/Export Settings feature available on the IDE’s Tools menu
/// is selected by a user.
/// </summary>
/// <remarks>
/// This method is called when the dialog page should load its default settings from the
/// profile XML file.
/// </remarks>
// --------------------------------------------------------------------------------------------
public virtual void LoadSettingsFromXml(IVsSettingsReader reader)
{
_Initializing = true;
try
{
object automationObject = AutomationObject;
var properties = TypeDescriptor.GetProperties(automationObject,
new Attribute[] { DesignerSerializationVisibilityAttribute.Visible });
foreach (PropertyDescriptor property in properties)
{
var converter = property.Converter;
if (converter.CanConvertTo(typeof(string)) && converter.CanConvertFrom(typeof(string)))
{
// --- read from the xml feed
object cv = null;
try
{
string value;
if (NativeMethods.Succeeded(reader.ReadSettingString(property.Name, out value)) && (value != null))
{
cv = property.Converter.ConvertFromInvariantString(value);
}
}
catch (Exception)
{
// --- ReadSettingString throws an exception if the property is not found and we also
// --- catch ConvertFromInvariantString exceptions so that we gracefully handle bad
// --- vssettings.
VsDebug.Fail("Error in ReadSettingsString ignored.");
}
// --- Not all values have to be present
if (cv != null)
{
property.SetValue(automationObject, cv);
}
}
}
}
finally
{
_Initializing = false;
}
// --- Hook in properties
HookProperties(true);
OnPageDataLoaded();
}
// --------------------------------------------------------------------------------------------
/// <summary>
/// Loads the settings belonging to this dialog page from the store.
/// </summary>
/// <remarks>
/// This method is called when the dialog page should load its default settings from the
/// registry. The default implementation gets the Package service, gets the user registry key,
/// and reads in all properties for this page that could be converted from strings.
/// </remarks>
// --------------------------------------------------------------------------------------------
public virtual void LoadSettingsFromStorage()
{
_Initializing = true;
try
{
// --- Obtain registry key for the package
var package = PackageBase.GetPackageInstance <TPackage>();
VsDebug.Assert(package != null, "No package service; we cannot load settings");
if (package != null)
{
using (var rootKey = package.UserRegistryRoot)
{
// --- Obtain the path where settings are stored
var path = SettingsRegistryPath;
object automationObject = AutomationObject;
var key = rootKey.OpenSubKey(path, false);
if (key != null)
{
using (key)
{
// --- Read each property from the store using the invariant string form
string[] valueNames = key.GetValueNames();
var properties = TypeDescriptor.GetProperties(automationObject);
foreach (var valueName in valueNames)
{
var value = key.GetValue(valueName).ToString();
var prop = properties[valueName];
if (prop != null && prop.Converter.CanConvertFrom(typeof(string)))
{
prop.SetValue(automationObject, prop.Converter.ConvertFromInvariantString(value));
}
}
}
}
}
}
}
finally
{
_Initializing = false;
}
// --- Hook in the properties
HookProperties(true);
OnPageDataLoaded();
}
// --------------------------------------------------------------------------------------------
/// <summary>
/// Ensures that IVsRunningDocTableEvents is unadvised when required.
/// </summary>
// --------------------------------------------------------------------------------------------
public void EnsureUnadvise()
{
lock (this)
{
if (AdviseCount == 0)
{
VsDebug.Fail("EnsureUnadvise has been called with a zero-valued AdviceCount.");
return;
}
AdviseCount--;
if (AdviseCount == 0)
{
NativeMethods.ThrowOnFailure(Unadvise(_EventCookie));
Events = null;
}
}
}
// --------------------------------------------------------------------------------------------
/// <summary>
/// Disposes this object.
/// </summary>
// --------------------------------------------------------------------------------------------
protected override void Dispose(bool disposing)
{
if (disposing)
{
// --- First dispose the dialog container
if (_Container != null)
{
try
{
_Container.Dispose();
}
catch (Exception)
{
VsDebug.Fail("Failed to dispose container");
}
_Container = null;
}
// --- Dispose the window itself
if (_Window != null && _Window is IDisposable)
{
try
{
((IDisposable)_Window).Dispose();
}
catch (Exception)
{
Debug.Fail("Failed to dispose window");
}
_Window = null;
}
// --- Reset the dialog subclass
if (_Subclass != null)
{
_Subclass = null;
}
// --- Unhook dialog page properties
HookProperties(false);
}
base.Dispose(disposing);
}
// --------------------------------------------------------------------------------------------
/// <summary>
/// This function hooks property change events so that we automatically serialize
/// if the value changes outside of UI and loading
/// </summary>
/// <param name="hook">
/// True if properties should be hooked; otherwise they should be unhooked.
/// </param>
// --------------------------------------------------------------------------------------------
private void HookProperties(bool hook)
{
if (_PropertyChangedHooked != hook)
{
if (_OnPropertyChanged == null)
{
_OnPropertyChanged = OnPropertyChanged;
}
object automationObject = null;
try
{
automationObject = AutomationObject;
}
catch (Exception e)
{
VsDebug.Fail(e.ToString());
}
if (automationObject != null)
{
var properties = TypeDescriptor.GetProperties(automationObject,
new Attribute[] { DesignerSerializationVisibilityAttribute.Visible });
foreach (PropertyDescriptor property in properties)
{
if (hook)
{
property.AddValueChanged(automationObject, _OnPropertyChanged);
}
else
{
property.RemoveValueChanged(automationObject, _OnPropertyChanged);
}
}
_PropertyChangedHooked = hook;
}
}
}
// --------------------------------------------------------------------------------------------
/// <summary>
/// Writes a VSPackage's configuration to local storage (typically the registry) following
/// state update.
/// </summary>
// --------------------------------------------------------------------------------------------
public virtual void SaveSettingsToStorage()
{
var package = PackageBase.GetPackageInstance <TPackage>();
VsDebug.Assert(package != null, "No package service; we cannot load settings");
if (package != null)
{
// --- Oper the user registry key to save back settings.
using (var rootKey = package.UserRegistryRoot)
{
var path = SettingsRegistryPath;
var automationObject = AutomationObject;
var key = rootKey.OpenSubKey(path, true) ?? rootKey.CreateSubKey(path);
if (key == null)
{
VsDebug.Fail("Could not obtain storage key.");
return;
}
using (key)
{
var properties = TypeDescriptor.GetProperties(automationObject,
new Attribute[] { DesignerSerializationVisibilityAttribute.Visible });
foreach (PropertyDescriptor property in properties)
{
var converter = property.Converter;
if (converter.CanConvertTo(typeof(string)) &&
converter.CanConvertFrom(typeof(string)))
{
key.SetValue(property.Name,
converter.ConvertToInvariantString(property.GetValue(automationObject)));
}
}
}
}
}
}
