NSView CreateRow(string label, string [] items, int selectedItem, Action <int> handler)
{
var stackView = new NSStackView {
Orientation = NSUserInterfaceLayoutOrientation.Horizontal,
Distribution = NSStackViewDistribution.Fill,
Spacing = 8
};
var labelView = new Views.XILabel {
StringValue = label
};
labelView.SizeToFit();
stackView.AddView(labelView, NSStackViewGravity.Leading);
var menuView = new NSPopUpButton();
menuView.AddItems(items);
menuView.SelectItem(selectedItem);
stackView.AddView(menuView, NSStackViewGravity.Trailing);
menuView.Activated += (sender, e) => handler((int)menuView.IndexOfSelectedItem);
return(stackView);
}
void CreateFilters(FileFilter [] filters)
{
if (filters.Any())
{
var label = new NSTextField();
var fileTypes = new NSPopUpButton();
fileTypes.AddItems(filters.Select(f => f.Label).ToArray());
var fileTypeView = new NSView();
fileTypeView.AutoresizingMask = NSViewResizingMask.HeightSizable | NSViewResizingMask.WidthSizable;
const int padding = 15;
label.StringValue = "Show Files";
label.DrawsBackground = false;
label.Bordered = false;
label.Bezeled = false;
label.Editable = false;
label.Selectable = false;
label.SizeToFit();
fileTypeView.AddSubview(label);
fileTypes.SizeToFit();
fileTypes.Activated += (sender, e) =>
{
var currentFilter = filters.FirstOrDefault(f => f.Label == fileTypes.TitleOfSelectedItem);
SetCurrentItem(currentFilter);
// THIS DOES NOT WORK ON MAC OS FROM MAVERICS TO YOSEMITE
// There exists hacks, however they are dependent on OS X version
// I have filed bug as many others, but I guess this will never be fixed
_panel.ValidateVisibleColumns();
_panel.Update();
};
fileTypeView.AddSubview(fileTypes);
fileTypes.SetFrameOrigin(new CGPoint(label.Frame.Width + 10, padding));
label.SetFrameOrigin(new CGPoint(0, padding + (fileTypes.Frame.Height - label.Frame.Height) / 2));
fileTypeView.Frame = new CGRect(0, 0, fileTypes.Frame.Width + label.Frame.Width + 10, fileTypes.Frame.Height + padding * 2);
_panel.AccessoryView = fileTypeView;
if (filters.Any())
{
SetCurrentItem(filters.First());
}
}
else
{
_panel.AccessoryView = null;
}
}
/// <summary>
/// Adds the elements associated with a command to a NSPopUpButton.
/// </summary>
/// <param name="command">The command to associate with the elements in the popup button.</param>
/// <param name="button">The button to which the command is to be added.</param>
/// <param name="itemTitles">The user-visible names of the items to add to the popup button.</param>
/// <param name="itemTags">The identifying information for the choices added to the popup button.</param>
/// <param name="itemToolTips">Tool tips for the choices in the popup button.</param>
/// <remarks>The NSPopUpButton presents a choice for the user to select. The same command is associated with each choice in the
/// button. When the command is invoked, the Tag associated with the item in the popup button is part of the data used in executing the command.</remarks>
public static void PopulatePopUpButton(this ICommand command, NSPopUpButton button, string[] itemTitles, int[] itemTags, string[] itemToolTips)
{
button.RemoveAllItems();
button.AddItems(itemTitles);
var menuItems = button.Items();
for (int i = 0; i < menuItems.Length; ++i)
{
var menuItem = menuItems[i];
menuItem.RepresentedObject = new NSObjectWrapper <ICommand>(command);
menuItem.Tag = itemTags[i];
menuItem.ToolTip = itemToolTips[i];
}
}