/// <summary>
/// Adds sub-items for the specified menu item and category
/// </summary>
/// <param name="menuItem">Parent menu item</param>
/// <param name="category">Category we are interested in</param>
/// <param name="actions">Actions to consider</param>
/// <param name="indentLevel">Current hierarchical indentation level</param>
private void PopulateSubCategories(MenuItem menuItem, ViewActionCategory category, IEnumerable <IViewAction> actions, int indentLevel = 0)
{
var populatedCategories = new List <string>();
if (actions == null)
{
return;
}
var viewActions = actions as IViewAction[] ?? actions.ToArray();
var matchingActions = ViewActionPolicy != null?ViewActionPolicy.GetAllActionsForCategory(viewActions, category, indentLevel, orderByGroupTitle : false, viewModel : this) : ViewActionHelper.GetAllActionsForCategory(viewActions, category, indentLevel, orderByGroupTitle: false);
var addedMenuItems = 0;
foreach (var matchingAction in matchingActions)
{
if (addedMenuItems > 0 && matchingAction.BeginGroup)
{
menuItem.Items.Add(new Separator());
}
if (matchingAction.Categories != null && matchingAction.Categories.Count > indentLevel + 1 && !populatedCategories.Contains(matchingAction.Categories[indentLevel].Id)) // This is further down in a sub-category even
{
populatedCategories.Add(matchingAction.Categories[indentLevel].Id);
var newMenuItem = new ViewActionMenuItem {
Header = matchingAction.Categories[indentLevel + 1].Caption
};
var icon = new ThemeIcon {
UseFallbackIcon = false
};
icon.SetBinding(ThemeIcon.IconResourceKeyProperty, new Binding("BrushResourceKey"));
newMenuItem.Icon = icon;
CreateMenuItemBinding(matchingAction, newMenuItem);
PopulateSubCategories(newMenuItem, matchingAction.Categories[indentLevel + 1], viewActions, indentLevel + 1);
menuItem.Items.Add(newMenuItem);
addedMenuItems++;
}
else
{
var newMenuItem1 = new ViewActionMenuItem {
Header = GetMenuTitle(matchingAction), Command = matchingAction, DataContext = matchingAction
};
HandleMenuShortcutKey(newMenuItem1, matchingAction);
if (matchingAction.ViewActionType == ViewActionTypes.Toggle)
{
newMenuItem1.IsCheckable = true;
newMenuItem1.SetBinding(MenuItem.IsCheckedProperty, new Binding("IsChecked")
{
Source = matchingAction, Mode = BindingMode.OneWay
});
}
var realMatchingAction = matchingAction as ViewAction;
if (realMatchingAction != null && !string.IsNullOrEmpty(realMatchingAction.ToolTipText))
{
newMenuItem1.ToolTip = realMatchingAction.ToolTipText;
}
var icon = new ThemeIcon {
FallbackIconResourceKey = string.Empty
};
icon.SetBinding(ThemeIcon.IconResourceKeyProperty, new Binding("BrushResourceKey"));
newMenuItem1.Icon = icon;
CreateMenuItemBinding(matchingAction, newMenuItem1);
menuItem.Items.Add(newMenuItem1);
addedMenuItems++;
}
}
}
/// <summary> /// Gets all actions for the specified category. /// </summary> /// <param name="actions">The actions.</param> /// <param name="category">The category.</param> /// <param name="indentLevel">The indent level.</param> /// <param name="emptyCategory">The empty category.</param> /// <param name="orderByGroupTitle">if set to <c>true</c> [order by group title].</param> /// <param name="viewModel">Optional view model object</param> /// <returns>IEnumerable<IViewAction>.</returns> public virtual IEnumerable <IViewAction> GetAllActionsForCategory(IEnumerable <IViewAction> actions, ViewActionCategory category, int indentLevel = 0, string emptyCategory = "File", bool orderByGroupTitle = true, object viewModel = null) => ViewActionHelper.GetAllActionsForCategory(actions, category, indentLevel, emptyCategory, orderByGroupTitle);
/// <summary>
/// Populates the current items control with items based on the actions collection
/// </summary>
/// <param name="actions">List of actions</param>
protected virtual void PopulateItems(IHaveActions actions)
{
RemoveAllMenuKeyBindings();
Items.Clear();
if (actions == null || actions.Actions == null)
{
return;
}
var actionList = actions.Actions.ToList();
var rootCategories = ViewActionPolicy != null?ViewActionPolicy.GetTopLevelActionCategories(actionList, EmptyGlobalCategoryTitle) : ViewActionHelper.GetTopLevelActionCategories(actionList, EmptyGlobalCategoryTitle);
var viewActionCategories = rootCategories as ViewActionCategory[] ?? rootCategories.ToArray();
foreach (var category in viewActionCategories)
{
var matchingActions = ViewActionPolicy != null?ViewActionPolicy.GetAllActionsForCategory(actionList, category, orderByGroupTitle : OrderByGroupTitle) : ViewActionHelper.GetAllActionsForCategory(actionList, category, orderByGroupTitle: OrderByGroupTitle);
foreach (var action in matchingActions)
{
var wrapper = new DependencyViewActionWrapper(action);
if (action.Categories.Count > 0)
{
MetroTiles.SetGroupName(wrapper, action.Categories[0].Id);
MetroTiles.SetGroupTitle(wrapper, action.Categories[0].Caption);
}
else
{
MetroTiles.SetGroupName(wrapper, string.Empty);
MetroTiles.SetGroupTitle(wrapper, string.Empty);
}
if (action.Availability != ViewActionAvailabilities.Unavailable)
{
MetroTiles.SetTileVisibility(wrapper, action.Visibility);
}
else
{
MetroTiles.SetTileVisibility(wrapper, Visibility.Collapsed);
}
Items.Add(wrapper);
if (action.ShortcutKey == Key.None)
{
continue;
}
MenuKeyBindings.Add(new ViewActionMenuKeyBinding(action));
}
}
CreateAllMenuKeyBindings();
}
