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//
// MenuItem.cs
//
// Author:
// Jean-Philippe Bruyère <jp.bruyere@hotmail.com>
//
// Copyright (c) 2013-2017 Jean-Philippe Bruyère
//
// 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 System.Xml.Serialization;
using System.ComponentModel;
namespace Crow
{
public class MenuItem : Menu
{
#region CTOR
protected MenuItem () : base(){}
public MenuItem (Interface iface) : base(iface) {}
#endregion
public event EventHandler Open;
public event EventHandler Close;
string caption;
Command command;
Picture icon;
bool isOpened;
Measure popWidth, popHeight;
#region Public properties
[XmlAttributeAttribute][DefaultValue(false)]
public bool IsOpened {
get { return isOpened; }
set {
if (isOpened == value)
return;
isOpened = value;
NotifyValueChanged ("IsOpened", isOpened);
if (isOpened) {
onOpen (this, null);
(LogicalParent as Menu).AutomaticOpenning = true;
}else
onClose (this, null);
}
}
[XmlAttributeAttribute][DefaultValue(null)]
public virtual Command Command {
get { return command; }
set {
if (command == value)
return;
if (command != null) {
command.raiseAllValuesChanged ();
command.ValueChanged -= Command_ValueChanged;
}
command = value;
if (command != null) {
command.ValueChanged += Command_ValueChanged;
command.raiseAllValuesChanged ();
}
NotifyValueChanged ("Command", command);
}
}
[XmlAttributeAttribute]
public override bool IsEnabled {
get { return Command == null ? base.IsEnabled : Command.CanExecute; }
set { base.IsEnabled = value; }
}
[XmlAttributeAttribute]
public override string Caption {
get { return Command == null ? base.Caption : Command.Caption; }
set { base.Caption = value; }
}
[XmlAttributeAttribute]
public Picture Icon {
get { return Command == null ? icon : Command.Icon;; }
set {
if (icon == value)
return;
icon = value;
if (command == null)
NotifyValueChanged ("Icon", icon);
}
}
[XmlAttributeAttribute()][DefaultValue("Fit")]
public virtual Measure PopWidth {
get { return popWidth; }
set {
if (popWidth == value)
return;
popWidth = value;
NotifyValueChanged ("PopWidth", popWidth);
}
}
[XmlAttributeAttribute()][DefaultValue("Fit")]
public virtual Measure PopHeight {
get { return popHeight; }
set {
if (popHeight == value)
return;
popHeight = value;
NotifyValueChanged ("PopHeight", popHeight);
}
}
#endregion
public override void AddItem (GraphicObject g)
{
base.AddItem (g);
g.NotifyValueChanged ("PopDirection", Alignment.Right);
}
void Command_ValueChanged (object sender, ValueChangeEventArgs e)
{
string mName = e.MemberName;
if (mName == "CanExecute")
mName = "IsEnabled";
NotifyValueChanged (mName, e.NewValue);
}
void onMI_Click (object sender, MouseButtonEventArgs e)
{
if (command != null)
command.Execute ();
if(!IsOpened)
(LogicalParent as Menu).AutomaticOpenning = false;
}
protected virtual void onOpen (object sender, EventArgs e){
Open.Raise (this, null);
}
protected virtual void onClose (object sender, EventArgs e){
Close.Raise (this, null);
}
public override bool MouseIsIn (Point m)
{
return IsEnabled && !IsDragged ? base.MouseIsIn (m) || child.MouseIsIn (m) : false;
}
public override void onMouseEnter (object sender, MouseMoveEventArgs e)
{
base.onMouseEnter (sender, e);
if ((LogicalParent as Menu).AutomaticOpenning && items.Children.Count>0)
IsOpened = true;
}
public override void onMouseLeave (object sender, MouseMoveEventArgs e)
{
if (IsOpened)
IsOpened = false;
base.onMouseLeave (this, e);
}
}
}
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