public void AddItem(IMenuItem menuItem, IMenuItemMetaData importData)
{
StringBuilder gestureText = new StringBuilder();
var linkedCommands = _globalCommandImportData.Where(x => x.Value.Command == menuItem.Command);
foreach (var link in linkedCommands)
{
gestureText.Append(link.Value.GestureText).Append(" ");
}
var itemViewModel = new MenuItemModel(menuItem.HeaderText, menuItem.Command, gestureText.ToString().Trim());
_menuInfo.Add(new MenuItemInfo(importData.Key, importData.RelativePosition, importData.RelativeMenuItemKey, itemViewModel, importData.ShouldPrependSeparator));
}
public MenuItemModel Build()
{
var root = new MenuItemModel(String.Empty, null, String.Empty);
foreach (var info in _menuInfo)
{
MenuItemModel relativeItem;
if (info.RelativeMenuItemKey == MenuItems.Root)
relativeItem = root;
else
{
var relativeItemInfo = _menuInfo.Where(x => x.MenuItemKey == info.RelativeMenuItemKey).FirstOrDefault();
if (relativeItemInfo == null)
throw new MenuItemNotFoundException(String.Format("The menu item with key {0} declares a relative item key {1} that was not found.", info.MenuItemKey, info.RelativeMenuItemKey));
relativeItem = relativeItemInfo.MenuItem;
}
switch (info.RelativePosition)
{
case MenuPosition.InsertAfter:
relativeItem.InsertAfter(info.MenuItem);
break;
case MenuPosition.InsertBefore:
relativeItem.InsertBefore(info.MenuItem);
break;
case MenuPosition.AppendTo:
if (info.ShouldPrependSeparator)
relativeItem.AppendChild(new MenuSeparatorModel());
relativeItem.AppendChild(info.MenuItem);
break;
case MenuPosition.PrependTo:
relativeItem.PrependChild(info.MenuItem);
break;
}
}
return root;
}
public MenuItemInfo(String menuItemKey, MenuPosition relativePosition, String relativeMenuItemKey, MenuItemModel menuItem, Boolean shouldPrependSeparator)
{
this.MenuItemKey = menuItemKey;
this.RelativePosition = relativePosition;
this.RelativeMenuItemKey = relativeMenuItemKey;
this.MenuItem = menuItem;
this.ShouldPrependSeparator = shouldPrependSeparator;
}
private void InsertChildAfter(MenuItemModel childToInsert, MenuItemModel relativePositionMarker)
{
var index = this._children.IndexOf(relativePositionMarker);
this._children.Insert(index + 1, childToInsert);
childToInsert.SetParent(this);
}
private void SetParent(MenuItemModel parent)
{
this._parent = parent;
foreach (var item in _previousSiblings)
_parent.InsertChildBefore(item, this);
foreach (var item in _nextSiblings)
_parent.InsertChildAfter(item, this);
}
private void InsertChildBefore(MenuItemModel childToInsert, MenuItemModel relativePositionMarker)
{
var index = this._children.IndexOf(relativePositionMarker);
if (index > 0)
{
if (this._children[index - 1] is MenuSeparatorModel)
{
index--;
}
}
this._children.Insert(index, childToInsert);
childToInsert.SetParent(this);
}
/// <summary>
/// Adds a child item to the start of this list.
/// </summary>
/// <param name="newItem">The menu item to insert</param>
public void PrependChild(MenuItemModel newItem)
{
this._children.Insert(0, newItem);
newItem.SetParent(this);
}
/// <summary>
/// Adds a child item to the end of this list.
/// </summary>
/// <param name="newItem">The menu item to insert</param>
public void AppendChild(MenuItemModel newItem)
{
this._children.Add(newItem);
newItem.SetParent(this);
}
/// <summary>
/// Inserts a sibling item in the position after this item.
/// </summary>
/// <param name="newItem">The menu item to insert</param>
public void InsertAfter(MenuItemModel newItem)
{
if (_parent == null)
{
_nextSiblings.Add(newItem);
}
else
{
_parent.InsertChildAfter(newItem, this);
}
}
/// <summary>
/// Inserts a sibling item in the position before this item.
/// </summary>
/// <param name="newItem">The menu item to insert</param>
public void InsertBefore(MenuItemModel newItem)
{
if (_parent == null)
{
_previousSiblings.Add(newItem);
}
else
{
_parent.InsertChildBefore(newItem, this);
}
}
