MapWindow5/src/MW5.UI/Menu/MenuItem.cs at develop · MapWindow/MapWindow5 · GitHub

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using System;

using System.ComponentModel;

using System.Drawing;

using System.Windows.Forms;

using MW5.Plugins.Concrete;

using MW5.Plugins.Events;

using MW5.Plugins.Interfaces;

using MW5.Shared;

using Syncfusion.Windows.Forms.Tools.XPMenus;

namespace MW5.UI.Menu

{

internal class MenuItem : MenuItemBase, IMenuItem

{

private const int IconSize = 24;

protected readonly BarItem _item;

internal MenuItem(BarItem item)

{

_item = item;

if (item == null)

{

throw new NullReferenceException("Bar item reference is null.");

}

item.ShowTooltip = false;

Skip = false;

}

public virtual string Text

{

get { return _item.Text; }

set

{

_item.Text = value;

FireItemChanged("Text");

}

public IMenuIcon Icon

{

get { return new MenuIcon(_item.Image.GetImage()); }

set

{

if (value == null || value.Image == null) return;

_item.Image = new ImageExt(value.Image);

int width = value.UseNativeSize ? value.Image.Width : IconSize;

int height = value.UseNativeSize ? value.Image.Height : IconSize;

_item.ImageSize = new Size(width, height);

}

public string Category

{

get { return Metadata.Category; }

set { Metadata.Category = value; }

}

public bool Checked

{

get { return _item.Checked; }

set { _item.Checked = value; }

}

public bool Enabled

{

get { return _item.Enabled; }

set { _item.Enabled = value; }

}

public override bool HasKey

{

get { return _item.Tag is MenuItemMetadata; }

}

protected override MenuItemMetadata Metadata

{

get

{

var data = _item.Tag as MenuItemMetadata;

if (data == null)

{

throw new ApplicationException("Tag property of menu items must store an instance of MenuItemMetadata class.");

}

return data;

}

public bool Visible

{

get { return _item.Visible; }

set { _item.Visible = value; }

}

internal protected virtual void DetachItemListeners()

{

EventHelper.RemoveEventHandler(_item, "Click"); // so it can be collected by GC

EventHelper.RemoveEventHandler(_item, "Selected");

EventHelper.RemoveEventHandler(this, "ItemChanged");

}

public object GetInternalObject()

{

return _item;

}

public event EventHandler<MenuItemEventArgs> ItemClicked

{

add

{

_item.Click += (s, e) => value.Invoke(this, new MenuItemEventArgs(Key));

}

remove

{

// will be unsubscribed in DetachItemListeners

}

/// <summary>

/// Gets or sets a value indicating whether the item should be skipped during processing (e.g. separator).

/// </summary>

public bool Skip { get; private set; }

/// <summary>

/// Gets or sets the shortcut keys.

/// </summary>

public Keys ShortcutKeys { get; set; }

}

MapWindow5/src/MW5.UI/Menu/MenuItem.cs at develop · MapWindow/MapWindow5 · GitHub

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