public MenuAdapter(ContextMenu menu, WebActionNode model, ActionDispatcher actionDispatcher)
: base(menu)
{
_menu = menu;
if (model is WebDropDownButtonAction)
{
//TODO (CR May 2010): there's probably a more generic way to do this
WebDropDownButtonAction a = model as WebDropDownButtonAction;
foreach (WebActionNode node in a.DropDownActions)
{
MenuItem menuItem = BuildMenuItem(node, actionDispatcher);
if (menuItem != null)
{
_menu.Items.Add(menuItem);
}
}
}
else
{
foreach (WebActionNode node in model.Children)
{
MenuItem menuItem = BuildMenuItem(node, actionDispatcher);
if (menuItem != null)
{
_menu.Items.Add(menuItem);
}
}
}
}
public MenuItemBinding(WebAction action, ActionDispatcher dispatcher, MenuItem item)
{
_actionItem = action;
_actionDispatcher = dispatcher;
_actionDispatcher.Register(action.Identifier, this);
item.Click += OnItemClick;
Item = item;
}
private void ReleaseMenuItem(MenuItem item, bool disposing)
{
var binding = item.Tag as MenuItemBinding;
if (binding != null)
{
if (disposing)
{
binding.Dispose();
}
item.Tag = null;
}
foreach (MenuItem child in item.Items)
{
ReleaseMenuItem(child, disposing);
}
}
private static MenuItem BuildActionMenuItem(WebActionNode subNode, ActionDispatcher dispatcher)
{
WebAction actionNode = subNode as WebAction;
MenuItem item = new MenuItem
{
IsEnabled = actionNode.Enabled,
IsChecked = (actionNode is WebClickAction) && (actionNode as WebClickAction).Checked,
Visibility = actionNode.DesiredVisiblility
};
var binding = new MenuItemBinding(actionNode, dispatcher, item);
binding.SetLabel(actionNode.Label);
binding.SetIcon();
item.Tag = binding;
return(item);
}
private static MenuItem BuildMenuItem(WebActionNode node, ActionDispatcher dispatcher)
{
MenuItem thisMenu = null;
try
{
if (node.Children != null)
{
thisMenu = new MenuItem {
Header = node.LocalizedText
};
foreach (WebActionNode subNode in node.Children)
{
if (subNode.Children == null || subNode.Children.Count == 0)
{
MenuItem menuItem = BuildActionMenuItem(subNode, dispatcher);
if (menuItem != null)
{
if (menuItem.IsChecked)
{
thisMenu.IsChecked = true;
}
if (menuItem != null)
{
thisMenu.Items.Add(menuItem);
}
}
}
else
{
MenuItem menuItem = BuildMenuItem(subNode, dispatcher);
if (menuItem != null)
{
if (menuItem.IsChecked)
{
thisMenu.IsChecked = true;
}
thisMenu.Items.Add(menuItem);
}
}
}
// Don't show the menu if it has no children
thisMenu.Visibility = node.DesiredVisiblility;
}
else
{
WebAction actionNode = node as WebAction;
thisMenu = BuildActionMenuItem(actionNode, dispatcher);
}
return(thisMenu);
}
catch (Exception ex)
{
// When an error happens here we need as much technical details as possible to diagnose the problem
// Also, it's better to capture the error in English
var itemName = node.LocalizedText;
if (node is WebActionNode)
{
itemName = (node as WebActionNode).LocalizedText;
}
if (node is WebAction)
{
itemName = (node as WebAction).Label;
}
var message = new StringBuilder();
message.AppendFormat("An expected error has occurred when building menu item labelled: {0}", itemName);
message.AppendLine();
message.AppendLine(string.Format("Details: {0}", ex.Message));
message.AppendLine("Stack:");
message.AppendLine(ex.StackTrace);
var newEx = new Exception(message.ToString(), ex);
throw newEx;
}
}