public void Run()
{
RenderOptions.ProcessRenderMode = RenderMode.SoftwareOnly;
var visualizer = new MenuViewMessageInterpreter();
var state = new MenuViewMessage {
Items =
{
MenuItemViewMessage.MakeRange("[-1, 1]: 0.5", -1, +1, 0.5, false),
MenuItemViewMessage.MakeRange("[-1, 1]: -1", -1, +1, -1, true),
MenuItemViewMessage.MakeRange("[-1, 1]: 0", -1, +1, 0, false),
MenuItemViewMessage.MakeRange("[-1, 1]: +1", -1, +1, +1, false),
MenuItemViewMessage.MakeRange("[0, 1]: 0.5", 0, 1, 0.5, false),
MenuItemViewMessage.MakeRange("[0, 1]: 0", 0, 1, 0, false),
MenuItemViewMessage.MakeRange("[0, 1]: 1", 0, 1, 1, false)
}
};
var visual = visualizer.Interpret(state);
var window = new Window {
Background = Brushes.Pink,
Content = visual
};
window.Show();
Dispatcher.Run();
}
public MenuViewMessageInterpreter()
{
var itemForMeasuring = CreateItem(MenuItemViewMessage.MakeSubLevelButton("foo"));
itemForMeasuring.Measure(new Size(Double.PositiveInfinity, Double.PositiveInfinity));
itemHeight = itemForMeasuring.DesiredSize.Height;
}
public MenuViewMessage AuthorMessage(MenuModel model)
{
List <MenuItemViewMessage> itemMessages = new List <MenuItemViewMessage>();
for (int i = 0; i < model.Items.Count; ++i)
{
var item = model.Items[i];
bool selected = i == model.SelectedItemIdx;
bool isEditing = selected && model.IsEditing;
MenuItemViewMessage itemMessage;
switch (item)
{
case UpMenuItem upMenuItem:
itemMessage = MenuItemViewMessage.MakeUpLevelButton(upMenuItem.Label);
break;
case SubLevelMenuItem subLevelItem:
itemMessage = MenuItemViewMessage.MakeSubLevelButton(subLevelItem.Label);
break;
case IRangeMenuItem rangeItem:
itemMessage = MenuItemViewMessage.MakeRange(rangeItem.Label, rangeItem.Min, rangeItem.Max, rangeItem.Value, isEditing);
break;
case IToggleMenuItem toggleMenuItem:
itemMessage = MenuItemViewMessage.MakeToggle(toggleMenuItem.Label, toggleMenuItem.IsSet);
break;
case ActionMenuItem actionMenuItem:
itemMessage = MenuItemViewMessage.MakeActionButton(actionMenuItem.Label, actionMenuItem.RequiresMoreInformation);
break;
default:
throw new InvalidOperationException();
}
if (selected)
{
itemMessage.Active = true;
}
itemMessages.Add(itemMessage);
}
return(new MenuViewMessage {
Items = itemMessages,
Position = model.ScrollPosition
});
}
private FrameworkElement CreateItem(MenuItemViewMessage message)
{
SolidColorBrush backgroundBrush;
if (message.Type == MenuItemViewType.UpLevelButton)
{
backgroundBrush = UpLevelButtonBackground;
}
else if (message.Type == MenuItemViewType.SubLevelButton)
{
backgroundBrush = SubLevelButtonBackground;
}
else if (message.Type == MenuItemViewType.Range)
{
if (message.IsEditing)
{
backgroundBrush = RangeEditingBackground;
}
else
{
backgroundBrush = RangeBackground;
}
}
else if (message.Type == MenuItemViewType.Toggle)
{
if (message.IsSet)
{
backgroundBrush = ToggleSetBackground;
}
else
{
backgroundBrush = DefaultBackground;
}
}
else
{
backgroundBrush = DefaultBackground;
}
var textOverlayGrid = new Grid {
Background = backgroundBrush
};
if (message.Type == MenuItemViewType.Range)
{
double min = message.Min;
double max = message.Max;
double value = MathExtensions.Clamp(message.Value, min, max);
double centerLeft, centerRight;
if (value < 0)
{
centerLeft = value;
centerRight = Math.Min(0, max);
}
else
{
centerLeft = Math.Max(0, min);
centerRight = value;
}
var leftRect = new Rectangle {
};
var middleRect = new Rectangle {
Fill = message.IsEditing ? RangeEditingForeground : RangeForeground
};
var rightRect = new Rectangle {
};
var rectGrid = new Grid {
Children = { leftRect, middleRect, rightRect },
};
rectGrid.ColumnDefinitions.Add(new ColumnDefinition {
Width = new GridLength(centerLeft - min, GridUnitType.Star)
});
rectGrid.ColumnDefinitions.Add(new ColumnDefinition {
Width = new GridLength(centerRight - centerLeft + (max - min) * 0.002, GridUnitType.Star)
});
rectGrid.ColumnDefinitions.Add(new ColumnDefinition {
Width = new GridLength(max - centerRight, GridUnitType.Star)
});
Grid.SetColumn(leftRect, 0);
Grid.SetColumn(middleRect, 1);
Grid.SetColumn(rightRect, 2);
textOverlayGrid.Children.Add(rectGrid);
}
var labelTextBlock = new TextBlock {
Foreground = Brushes.White,
Text = message.Label,
FontSize = 48,
FontWeight = FontWeights.SemiBold,
HorizontalAlignment = HorizontalAlignment.Center,
VerticalAlignment = VerticalAlignment.Center
};
textOverlayGrid.Children.Add(labelTextBlock);
var border = new Border {
Child = textOverlayGrid,
BorderThickness = new Thickness(5),
CornerRadius = new CornerRadius(5),
BorderBrush = message.Active ? (message.IsEditing ? EditingBorderStroke : ActiveBorderStroke) : DefaultBorderStroke,
Margin = new Thickness(2)
};
return(border);
}
