add comments and an enum value

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Michael Becker 2021-11-15 23:56:34 -05:00
parent 9c7a3c89f1
commit 040bf2e7e1
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3 changed files with 130 additions and 16 deletions

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@ -20,11 +20,17 @@
// along with this program. If not, see <http://www.gnu.org/licenses/>. // along with this program. If not, see <http://www.gnu.org/licenses/>.
using System; using System;
using System.Collections.Generic; using System.Collections.Generic;
using System.Text;
namespace MBS.Framework namespace MBS.Framework
{ {
public class Application public class Application
{ {
/// <summary>
/// Implements a <see cref="Context.ContextCollection" /> which notifies
/// the containing <see cref="Application" /> of context addition and
/// removal.
/// </summary>
public class ApplicationContextCollection public class ApplicationContextCollection
: Context.ContextCollection : Context.ContextCollection
{ {
@ -48,12 +54,29 @@ namespace MBS.Framework
} }
} }
/// <summary>
/// Gets or sets the currently-running <see cref="Application" />
/// instance.
/// </summary>
/// <value>
/// The currently-running <see cref="Application" /> instance.
/// </value>
public static Application Instance { get; set; } = null; public static Application Instance { get; set; } = null;
protected virtual Command FindCommandInternal(string commandID) protected virtual Command FindCommandInternal(string commandID)
{ {
return null; return null;
} }
/// <summary>
/// Finds the command with the given <paramref name="commandID" />,
/// searching across application-global commands as well as commands
/// defined in the currently-loaded <see cref="Context" />s.
/// </summary>
/// <returns>
/// The command with the given <paramref name="commandID" />, or
/// <see langword="null" /> if the command was not found.
/// </returns>
/// <param name="commandID">Command identifier.</param>
public Command FindCommand(string commandID) public Command FindCommand(string commandID)
{ {
Command cmd = Commands[commandID]; Command cmd = Commands[commandID];
@ -131,7 +154,7 @@ namespace MBS.Framework
{ {
return new string[] return new string[]
{ {
// first look in the application root directory since this will be overridden by everything else // first look in the application root directory since this will override everything else
BasePath, BasePath,
// then look in /usr/share/universal-editor or C:\ProgramData\Mike Becker's Software\Universal Editor // then look in /usr/share/universal-editor or C:\ProgramData\Mike Becker's Software\Universal Editor
String.Join(System.IO.Path.DirectorySeparatorChar.ToString(), new string[] String.Join(System.IO.Path.DirectorySeparatorChar.ToString(), new string[]
@ -173,6 +196,13 @@ namespace MBS.Framework
private Dictionary<string, List<EventHandler>> _CommandEventHandlers = new Dictionary<string, List<EventHandler>>(); private Dictionary<string, List<EventHandler>> _CommandEventHandlers = new Dictionary<string, List<EventHandler>>();
public Command.CommandCollection Commands { get; } = new Command.CommandCollection(); public Command.CommandCollection Commands { get; } = new Command.CommandCollection();
/// <summary>
/// Attachs the specified <see cref="EventHandler" /> to handle the <see cref="Command" /> with the given <paramref name="commandID" />.
/// </summary>
/// <returns><c>true</c>, if the command was found, <c>false</c> otherwise.</returns>
/// <param name="commandID">Command identifier.</param>
/// <param name="handler">Handler.</param>
public bool AttachCommandEventHandler(string commandID, EventHandler handler) public bool AttachCommandEventHandler(string commandID, EventHandler handler)
{ {
Command cmd = Commands[commandID]; Command cmd = Commands[commandID];
@ -195,6 +225,11 @@ namespace MBS.Framework
return false; return false;
} }
/// <summary>
/// Executes the command with the given <paramref name="id" />.
/// </summary>
/// <param name="id">Identifier.</param>
/// <param name="namedParameters">Named parameters.</param>
public void ExecuteCommand(string id, KeyValuePair<string, object>[] namedParameters = null) public void ExecuteCommand(string id, KeyValuePair<string, object>[] namedParameters = null)
{ {
Command cmd = Commands[id]; Command cmd = Commands[id];
@ -260,25 +295,53 @@ namespace MBS.Framework
// CONTEXTS // CONTEXTS
/// <summary> /// <summary>
/// Gets a collection of <see cref="Context" /> objects representing system, application, user, and custom contexts for settings and other items. /// Gets a collection of <see cref="Context" /> objects representing
/// system, application, user, and custom contexts for settings and other
/// items.
/// </summary> /// </summary>
/// <value>A collection of <see cref="Context" /> objects representing cpublic for settings and other items.</value> /// <value>
/// A collection of <see cref="Context" /> objects representing system,
/// application, user, and custom contexts for settings and other items.
/// </value>
public ApplicationContextCollection Contexts { get; } = new ApplicationContextCollection(); public ApplicationContextCollection Contexts { get; } = new ApplicationContextCollection();
/// <summary>
/// The event raised when a <see cref="Context" /> is added to the
/// <see cref="Application" />.
/// </summary>
public ContextChangedEventHandler ContextAdded; public ContextChangedEventHandler ContextAdded;
/// <summary>
/// Called when a <see cref="Context" /> is added to the
/// <see cref="Application" />. The default behavior is to simply fire
/// the <see cref="ContextAdded" /> event. Implementations should handle
/// adding context-specific behaviors and UI elements in this method.
/// </summary>
/// <param name="e">Event arguments.</param>
protected virtual void OnContextAdded(ContextChangedEventArgs e) protected virtual void OnContextAdded(ContextChangedEventArgs e)
{ {
ContextAdded?.Invoke(this, e); ContextAdded?.Invoke(this, e);
} }
/// <summary>
/// The event raised when a <see cref="Context" /> is removed from the
/// <see cref="Application" />.
/// </summary>
public ContextChangedEventHandler ContextRemoved; public ContextChangedEventHandler ContextRemoved;
/// <summary>
/// Called when a <see cref="Context" /> is removed from the
/// <see cref="Application" />. The default behavior is to simply fire
/// the <see cref="ContextRemoved" /> event. Implementations should handle
/// removing context-specific behaviors and UI elements in this method.
/// </summary>
/// <param name="e">Event arguments.</param>
protected virtual void OnContextRemoved(ContextChangedEventArgs e) protected virtual void OnContextRemoved(ContextChangedEventArgs e)
{ {
ContextRemoved?.Invoke(this, e); ContextRemoved?.Invoke(this, e);
} }
/// <summary> /// <summary>
/// Handles updating the menus, toolbars, keyboard shortcuts, and other UI elements associated with the application <see cref="Context" />. /// Handles updating the menus, toolbars, keyboard shortcuts, and other
/// UI elements associated with the application <see cref="Context" />.
/// </summary> /// </summary>
private void AddContext(Context ctx) private void AddContext(Context ctx)
{ {
@ -286,34 +349,55 @@ namespace MBS.Framework
} }
/// <summary> /// <summary>
/// Handles updating the menus, toolbars, keyboard shortcuts, and other UI elements associated with the application <see cref="Context" />. /// Handles updating the menus, toolbars, keyboard shortcuts, and other
/// UI elements associated with the application <see cref="Context" />.
/// </summary> /// </summary>
private void RemoveContext(Context ctx) private void RemoveContext(Context ctx)
{ {
OnContextRemoved(new ContextChangedEventArgs(ctx)); OnContextRemoved(new ContextChangedEventArgs(ctx));
} }
// LOGGING /// <summary>
/// Log the specified message.
/// </summary>
/// <param name="message">Message.</param>
public void Log(string message) public void Log(string message)
{ {
Log(null, 0, message); Log(null, 0, message);
} }
/// <summary>
/// Log the specified message, including information about the relevant
/// object instance or static class <see cref="Type" />, line number of
/// the corresponding source code.
/// </summary>
/// <param name="obj">Object.</param>
/// <param name="lineNumber">Line number.</param>
/// <param name="message">Message.</param>
public void Log(object obj, int lineNumber, string message) public void Log(object obj, int lineNumber, string message)
{ {
if (obj is Type) Type type = (obj is Type ? ((Type)obj) : (obj != null ? obj.GetType() : null));
StringBuilder sb = new StringBuilder();
if (type != null)
{ {
Console.WriteLine("{0}: {1}", ((Type)obj).FullName, message); sb.Append('[');
} sb.Append(type.Assembly.GetName().Name);
else if (obj != null) sb.Append("] ");
{ sb.Append(type.FullName);
Console.WriteLine("{0}: {1}", obj.GetType().FullName, message); sb.Append('(');
} sb.Append(lineNumber);
else sb.Append(')');
{ sb.Append(": ");
Console.WriteLine("{0}", message);
} }
sb.Append(message);
System.Diagnostics.Debug.WriteLine(sb);
} }
/// <summary>
/// Gets a value indicating whether this <see cref="Application" /> is
/// currently in the process of shutting down.
/// </summary>
/// <value><c>true</c> if stopping; otherwise, <c>false</c>.</value>
public bool Stopping { get; private set; } = false; public bool Stopping { get; private set; } = false;
protected virtual void OnStopping(System.ComponentModel.CancelEventArgs e) protected virtual void OnStopping(System.ComponentModel.CancelEventArgs e)
@ -325,7 +409,16 @@ namespace MBS.Framework
} }
/// <summary>
/// The event raised when the <see cref="Stop" /> method is called, before
/// the application is stopped.
/// </summary>
public event System.ComponentModel.CancelEventHandler BeforeShutdown; public event System.ComponentModel.CancelEventHandler BeforeShutdown;
/// <summary>
/// Event handler for <see cref="BeforeShutdown" /> event. Called when the
/// <see cref="Stop" /> method is called, before the application is stopped.
/// </summary>
/// <param name="e">Event arguments.</param>
protected virtual void OnBeforeShutdown(System.ComponentModel.CancelEventArgs e) protected virtual void OnBeforeShutdown(System.ComponentModel.CancelEventArgs e)
{ {
BeforeShutdown?.Invoke(this, e); BeforeShutdown?.Invoke(this, e);
@ -344,9 +437,28 @@ namespace MBS.Framework
Start(); Start();
} }
/// <summary>
/// Informs the underlying system backend that it is to begin the process
/// of application shutdown, gracefully ending the main loop before
/// returning the specified <paramref name="exitCode" /> to the operating
/// system.
/// </summary>
/// <param name="exitCode">
/// The exit code to return to the operating system.
/// </param>
protected virtual void StopInternal(int exitCode) protected virtual void StopInternal(int exitCode)
{ {
} }
/// <summary>
/// Shuts down the application gracefully, calling any event handlers
/// attached to the shutdown event to give listeners the opportunity to
/// cancel the shutdown and passing the specified
/// <paramref name="exitCode" /> to the operating system.
/// </summary>
/// <param name="exitCode">
/// The exit code to return to the operating system.
/// </param>
public void Stop(int exitCode = 0) public void Stop(int exitCode = 0)
{ {
if (Stopping) if (Stopping)

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@ -92,6 +92,7 @@ namespace MBS.Framework
/// <summary> /// <summary>
/// Executes this <see cref="Command"/>. /// Executes this <see cref="Command"/>.
/// </summary> /// </summary>
[Obsolete("Please use Application.ExecuteCommand. Command.Execute does not always work and will be removed in a future release.")]
public void Execute() public void Execute()
{ {
if (Executed != null) Executed(this, EventArgs.Empty); if (Executed != null) Executed(this, EventArgs.Empty);

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@ -16,6 +16,7 @@ namespace MBS.Framework
ArrowUp, ArrowUp,
Bold, Bold,
Bookmarks,
Cancel, Cancel,
CapsLockWarning, // not for buttons CapsLockWarning, // not for buttons
CDROM, CDROM,