示例#1
0
        private void UpdateToolbar()
        {
            var recreateButtons = false;
            var existingButtons = _gameControlContainer.Children.OfType <Button>().ToList();
            var toolbarItems    = _toolbarProviders.SelectMany(x => x.GetToolbarItems());

            foreach (var te in toolbarItems)
            {
                if (!existingButtons.Any(x => (long)x.Userdata == te.Id))
                {
                    // Button doesn't exist, need to recreate.
                    recreateButtons = true;
                    break;
                }
            }
            foreach (var eb in existingButtons)
            {
                if (!toolbarItems.Any(x => x.Id == (long)eb.Userdata))
                {
                    // Button doesn't exist, need to recreate.
                    recreateButtons = true;
                    break;
                }
            }

            if (!recreateButtons)
            {
                // Just sync properties.
                foreach (var eb in existingButtons)
                {
                    var toolbarItem = toolbarItems.First(x => x.Id == (long)eb.Userdata);
                    eb.Icon    = _assetManager.Get <TextureAsset>(toolbarItem.Icon);
                    eb.Enabled = toolbarItem.Enabled;
                    eb.Toggled = toolbarItem.Toggled;
                }
            }
            else
            {
                // TODO: Optimize this to only change controls that need to be changed.
                foreach (var c in _gameControlContainer.Children.ToArray())
                {
                    _gameControlContainer.RemoveChild(c);
                }

                var size = 0;
                foreach (var tp in _toolbarProviders)
                {
                    if (size > 0)
                    {
                        size += 30;
                    }

                    foreach (var te in tp.GetToolbarItems())
                    {
                        var button = new Button
                        {
                            Icon     = _assetManager.Get <TextureAsset>(te.Icon),
                            Enabled  = te.Enabled,
                            Toggled  = te.Toggled,
                            Userdata = te.Id
                        };
                        button.Click += (sender, e) =>
                        {
                            te.Handler?.Invoke(te);
                        };
                        _gameControlContainer.AddChild(button, new Rectangle(size, 8, 28, 28));
                        size += 30;
                    }
                }

                _horizontalContainer.SetChildSize(_gameControlContainer, (size - 2).ToString());
            }
        }