/// <summary>
/// Get the final size Rect of a child element.
/// </summary>
/// <param name="element">The element to measure.</param>
/// <returns>The calculated size Rect.</returns>
private Rect GetFinalRect(FrameworkElement element)
{
double top = FlowGrid.GetTop(element);
double bottom = FlowGrid.GetBottom(element);
double left = FlowGrid.GetLeft(element);
double right = FlowGrid.GetRight(element);
return(new Rect(left, top, right - left, bottom - top));
}
/// <summary>
/// Arrange the child elements in the parent grid based on the virtual FlowGrid column and row arrangement.
/// </summary>
/// <param name="size">The size available to the control.</param>
private void ArrangeItems(Size size)
{
List <FlowGridRow> rows = new List <FlowGridRow>(this.Children);
// columnStop is essentially the horizontal offset for a vertical set of rows.
double columnStop = 0.0;
Visibility visibility = System.Windows.Visibility.Visible;
while (rows.Count > 0 && columnStop < size.Width)
{
// The column is literally the column of rows we're going to layout at this columnStop in the vertical space we have.
List <FlowGridRow> column = this.GetColumn(rows, size.Height);
double height = 0.0;
double[] widths = new double[this.ColumnDefinitions.Count + 1];
double totalWidth = 0;
// Calculate how big everything in the column is.
foreach (FlowGridRow row in column)
{
for (int element = 0; element < row.Count && element < this.ColumnDefinitions.Count; ++element)
{
double width = row.ColumnWidth(element);
if (widths[element + 1] < width)
{
widths[element + 1] = width;
}
}
}
// Tally up the width of the column.
foreach (double width in widths)
{
totalWidth += width;
}
// If the column won't fit in the available space, it, and everything after it, shouldn't get displayed.
if (columnStop + totalWidth >= size.Width)
{
visibility = System.Windows.Visibility.Collapsed;
}
// Afix each of the elements in the column to their the correct places on the canvas.
foreach (FlowGridRow row in column)
{
for (int element = 0; element < row.Count && element < this.ColumnDefinitions.Count; ++element)
{
FlowGrid.SetLeft(row[element], GetLeft(row[element], columnStop + widths[element], widths[element + 1]));
FlowGrid.SetTop(row[element], GetTop(row[element], height, row.Height));
row[element].Visibility = visibility;
}
height += row.Height;
}
columnStop += totalWidth;
}
// Any rows left over couldn't be placed for some reason or another, so they shouldn't be displayed at all.
foreach (FlowGridRow row in rows)
{
foreach (FrameworkElement element in row.VisualCells)
{
element.Visibility = System.Windows.Visibility.Collapsed;
}
}
}
/// <summary>
/// Initialize a new status bar.
/// </summary>
public StatusBar()
{
ControlTemplate template = new ControlTemplate();
FrameworkElementFactory templateGrid = new FrameworkElementFactory(typeof(Grid));
LinearGradientBrush backgroundBrush = new LinearGradientBrush()
{
StartPoint = new Point(0.0, 0.5), EndPoint = new Point(1.0, 0.5)
};
FrameworkElementFactory itemPresenter = new FrameworkElementFactory(typeof(ItemsPresenter));
StatusBarItem imageItem = new StatusBarItem();
Image image = new Image();
Border imageBorder = new Border()
{
MaxHeight = 248,
MaxWidth = 248,
MinHeight = 40,
MinWidth = 40,
Margin = new Thickness(1, 0, 0, 0)
};
StatusBarItem flowItem = new StatusBarItem()
{
HorizontalAlignment = System.Windows.HorizontalAlignment.Stretch,
HorizontalContentAlignment = System.Windows.HorizontalAlignment.Stretch,
VerticalAlignment = System.Windows.VerticalAlignment.Stretch,
Margin = new Thickness(0, 4, 0, 0)
};
Image ribbon = new Image()
{
HorizontalAlignment = System.Windows.HorizontalAlignment.Right,
Source = new BitmapImage(new Uri(@"..\Resources\Ribbon.png", UriKind.Relative))
};
Grid panel = new Grid();
// Set the visual template for the status bar.
backgroundBrush.GradientStops.Add(new GradientStop()
{
Color = Color.FromRgb(0xF3, 0xFB, 0xFE), Offset = 0.0
});
backgroundBrush.GradientStops.Add(new GradientStop()
{
Color = Color.FromRgb(0xF1, 0xFB, 0xFE), Offset = 0.25
});
backgroundBrush.GradientStops.Add(new GradientStop()
{
Color = Color.FromRgb(0xEE, 0xFB, 0xFE), Offset = 0.5
});
backgroundBrush.GradientStops.Add(new GradientStop()
{
Color = Color.FromRgb(0xEB, 0xFA, 0xFD), Offset = 0.75
});
backgroundBrush.GradientStops.Add(new GradientStop()
{
Color = Color.FromRgb(0xBB, 0xD9, 0xF0), Offset = 1.0
});
templateGrid.AppendChild(itemPresenter);
templateGrid.SetValue(Control.BackgroundProperty, backgroundBrush);
template.VisualTree = templateGrid;
base.Template = template;
// Add the icon.
image.SetBinding(Image.SourceProperty, new Binding("Icon")
{
Source = this
});
imageBorder.Child = image;
//imageBorder.Padding = new Thickness(0, 0, 3, 0);
imageItem.Content = imageBorder;
imageItem.Margin = new Thickness(0, 0, 0, -1);
base.AddChild(imageItem);
panel.ColumnDefinitions.Add(new ColumnDefinition()
{
Width = new GridLength(300, GridUnitType.Star)
});
panel.ColumnDefinitions.Add(new ColumnDefinition()
{
Width = GridLength.Auto
});
// Build the flow grid where all the information goes.
this.flowGrid = new FlowGrid()
{
HorizontalAlignment = System.Windows.HorizontalAlignment.Stretch,
VerticalAlignment = System.Windows.VerticalAlignment.Stretch,
Margin = new Thickness(1, 0, 0, 10),
SnapsToDevicePixels = true
};
this.flowGrid.SetValue(Grid.ColumnProperty, 0);
this.flowGrid.ColumnDefinitions.Add(new ColumnDefinition());
this.flowGrid.ColumnDefinitions.Add(new ColumnDefinition()
{
MinWidth = 80
});
this.flowGrid.HorizontalAlignment = System.Windows.HorizontalAlignment.Left;
panel.Children.Add(this.flowGrid);
// Build the ribbon/Extra area.
ribbon.SetValue(Panel.ZIndexProperty, -1);
ribbon.SetValue(Grid.ColumnSpanProperty, 2);
ribbon.SetValue(Grid.ColumnProperty, 0);
panel.Children.Add(ribbon);
this.parentGrid = new Grid();
this.parentGrid.HorizontalAlignment = System.Windows.HorizontalAlignment.Right;
this.parentGrid.SetValue(Grid.ColumnProperty, 1);
panel.Children.Add(this.parentGrid);
flowItem.Content = panel;
base.AddChild(flowItem);
this.Children = this.flowGrid.Children;
}
