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//
// System.ComponentModel.Design.MenuCommand.cs
//
// Authors:
// Alejandro Sánchez Acosta <raciel@es.gnu.org>
// Andreas Nahr (ClassDevelopment@A-SoftTech.com)
//
// (C) Alejandro Sánchez Acosta
// (C) 2003 Andreas Nahr
//
//
// 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.Runtime.InteropServices;
namespace System.ComponentModel.Design
{
[ComVisible(true)]
public class MenuCommand
{
private EventHandler handler;
private CommandID command;
private bool ischecked = false;
private bool enabled = true;
private bool issupported = true;
private bool visible = true;
public MenuCommand (EventHandler handler, CommandID command)
{
this.handler = handler;
this.command = command;
}
public virtual bool Checked {
get {
return ischecked;
}
set {
if (ischecked != value) {
ischecked = value;
OnCommandChanged (EventArgs.Empty);
}
}
}
public virtual CommandID CommandID {
get {
return command;
}
}
public virtual bool Enabled {
get {
return enabled;
}
set {
if (enabled != value)
{
enabled = value;
OnCommandChanged (EventArgs.Empty);
}
}
}
[MonoTODO]
public virtual int OleStatus {
get {
// This is calcualted from the other properties, but the docs to not tell how
// Default seems to be "3", but changes with diffentent set properties
return 3;
}
}
public virtual bool Supported {
get {
return issupported;
}
set {
issupported = value;
}
}
public virtual bool Visible {
get {
return visible;
}
set {
visible = value;
}
}
public virtual void Invoke()
{
// FIXME Not sure if this invocation is what should be done here
if (handler != null)
handler (this, EventArgs.Empty);
}
protected virtual void OnCommandChanged (EventArgs e)
{
if (CommandChanged != null)
CommandChanged (this, e);
}
public override string ToString()
{
// MS runtime produces a NullReferenceException here if CommandID property == null
// which I guess isn't a good idea (throwing exceptions in ToStrings???) - bug in MS??
string commandpart = string.Empty;
if (command != null)
commandpart = command.ToString ();
commandpart = string.Concat (commandpart, " : ");
if (this.Supported)
commandpart = string.Concat (commandpart, "Supported");
if (this.Enabled)
commandpart = string.Concat (commandpart, "|Enabled");
if (this.Visible)
commandpart = string.Concat (commandpart, "|Visible");
if (this.Checked)
commandpart = string.Concat (commandpart, "|Checked");
return commandpart;
}
public event EventHandler CommandChanged;
}
}
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