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//
// Command.cs
//
// Author:
// Lluis Sanchez Gual
//
// Copyright (C) 2005 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using MonoDevelop.Core;
namespace MonoDevelop.Components.Commands
{
public delegate void KeyBindingChangedEventHandler (object s, KeyBindingChangedEventArgs args);
public abstract class Command
{
public static readonly object Separator = new Object ();
object id;
string text;
string description;
IconId icon;
string accelKey;
KeyBinding binding;
string category;
bool disabledVisible;
internal string AccelPath;
internal object HandlerData; // Used internally when dispatching the command
public Command ()
{
}
public Command (object id, string text)
{
this.id = CommandManager.ToCommandId (id);
this.text = text;
}
public object Id {
get { return id; }
set { id = CommandManager.ToCommandId (value); }
}
public string Text {
get { return text; }
set { text = value; }
}
public IconId Icon {
get { return icon; }
set { icon = value; }
}
public string AccelKey {
get { return accelKey; }
set {
if (string.IsNullOrEmpty (value))
value = null;
if (value == accelKey)
return;
var oldKeyBinding = binding;
if (value != null)
KeyBinding.TryParse (value, out binding);
else
binding = null;
accelKey = value;
if (KeyBindingChanged != null)
KeyBindingChanged (this, new KeyBindingChangedEventArgs (this, oldKeyBinding));
}
}
string[] alternateAccelKeys;
KeyBinding[] alternateKeyBindings;
static readonly KeyBinding[] emptyBindings = new KeyBinding[0];
public string[] AlternateAccelKeys {
get { return alternateAccelKeys; }
set {
var oldKeybindings = alternateKeyBindings;
if (value == null || value.Length == 0) {
alternateKeyBindings = null;
} else {
alternateKeyBindings = new KeyBinding[value.Length];
for (int i = 0; i < value.Length; i++) {
KeyBinding b;
KeyBinding.TryParse (value[i], out b);
alternateKeyBindings [i] = b;
}
}
alternateAccelKeys = value;
if (AlternateKeyBindingChanged != null)
AlternateKeyBindingChanged (this, new AlternateKeyBindingChangedEventArgs (this, oldKeybindings));
}
}
public KeyBinding KeyBinding {
get { return binding; }
}
public KeyBinding[] AlternateKeyBindings {
get { return alternateKeyBindings ?? emptyBindings; }
}
public bool DisabledVisible {
get { return disabledVisible; }
set { disabledVisible = value; }
}
public string Description {
get { return description; }
set { description = value; }
}
public string Category {
get { return category == null ? string.Empty : category; }
set { category = value; }
}
public event KeyBindingChangedEventHandler KeyBindingChanged;
public event EventHandler<AlternateKeyBindingChangedEventArgs> AlternateKeyBindingChanged;
}
public class KeyBindingChangedEventArgs : EventArgs
{
public KeyBindingChangedEventArgs (Command command, KeyBinding oldKeyBinding)
{
OldKeyBinding = oldKeyBinding;
Command = command;
}
public Command Command {
get; private set;
}
public KeyBinding OldKeyBinding {
get; private set;
}
public KeyBinding NewKeyBinding {
get { return Command.KeyBinding; }
}
}
public class AlternateKeyBindingChangedEventArgs : EventArgs
{
public AlternateKeyBindingChangedEventArgs (Command command, KeyBinding[] oldKeyBinding)
{
OldKeyBinding = oldKeyBinding;
Command = command;
}
public Command Command {
get; private set;
}
public KeyBinding[] OldKeyBinding {
get; private set;
}
public KeyBinding[] NewKeyBinding {
get { return Command.AlternateKeyBindings; }
}
}
}
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