private void UpdateWidgets(UpdateCause cause)
{
if (_currentBlock != null)
{
// Update size and position
var rectangle = _currentBlock.Box;
float paddingLeft, paddingRight;
GetBlockPadding(_currentBlock, out paddingLeft, out paddingRight);
var transform = _editor.Renderer.GetViewTransform();
var topLeft = transform.Apply(rectangle.X + paddingLeft, rectangle.Y);
var topRight = transform.Apply(rectangle.X + rectangle.Width - paddingRight, rectangle.Y);
var x = topLeft.X;
var y = topLeft.Y;
var width = topRight.X - topLeft.X;
Width = width;
Margin = new Thickness(Math.Floor(x), Math.Floor(y - ActualHeight), 0, 0);
// Update text
Label lastUpdatedItem = null;
{
textItem.Children.Clear();
foreach (var word in _currentWords)
{
var label = word.Label;
label = label.Replace('\n', ' ');
var item = new Label {
Content = label,
HorizontalAlignment = HorizontalAlignment.Left,
VerticalAlignment = VerticalAlignment.Stretch,
HorizontalContentAlignment = HorizontalAlignment.Left,
VerticalContentAlignment = VerticalAlignment.Center,
Padding = new Thickness(0),
BorderThickness = new Thickness(0),
Margin = new Thickness(0),
Background = Brushes.Transparent
};
if (word.Updated)
{
item.Foreground = new SolidColorBrush(SMART_GUIDE_TEXT_HIGHLIGHT_COLOR);
}
else
{
item.Foreground = new SolidColorBrush(SMART_GUIDE_TEXT_DEFAULT_COLOR);
}
textItem.Children.Add(item);
if (word.Updated)
{
lastUpdatedItem = item;
}
}
}
// Set cursor position
if (lastUpdatedItem != null)
{
lastUpdatedItem.BringIntoView();
}
else
{
scrollItem.ScrollToLeftEnd();
}
// Update Style item
SetTextBlockStyle(TextBlockStyle.NORMAL);
// Visibility/Fading
{
int delay = 0;
if (cause == UpdateCause.Edit)
{
delay = _currentBlock.Id.StartsWith("diagram/") ? fadeOutWriteInDiagramDelay : fadeOutWriteDelay;
}
else
{
delay = fadeOutOtherDelay;
}
if (cause != UpdateCause.View)
{
_timer1.Stop();
if (delay > 0)
{
_timer1.Interval = TimeSpan.FromMilliseconds(delay);
_timer1.Start();
}
this.Visibility = Visibility.Visible;
}
if (lastUpdatedItem != null)
{
_timer2.Interval = TimeSpan.FromMilliseconds(removeHighlightDelay);
_timer2.Start();
}
}
}
else
{
_timer1.Stop();
ResetWidgets();
}
}
private void UpdateWidgets(UpdateCause cause)
{
if (_currentBlock != null)
{
// Update size and position
var rectangle = _currentBlock.Box;
float paddingLeft, paddingRight;
GetBlockPadding(_currentBlock, out paddingLeft, out paddingRight);
var transform = _editor.Renderer.GetViewTransform();
var topLeft = transform.Apply(rectangle.X + paddingLeft, rectangle.Y);
var topRight = transform.Apply(rectangle.X + rectangle.Width - paddingRight, rectangle.Y);
var x = topLeft.X;
var y = topLeft.Y;
var width = topRight.X - topLeft.X;
var yOffset = (ActualHeight > 0) ? ActualHeight : SMART_GUIDE_SIZE; // ActualHeight may be zero if control was collapsed
Width = width;
Margin = new Thickness(x, y - yOffset, 0, 0);
TextBlock lastUpdatedItem = null;
if ((cause == UpdateCause.Edit) || (cause == UpdateCause.Selection))
{
// Update text
textItem.Children.Clear();
foreach (var word in _currentWords)
{
var label = word.Label;
label = label.Replace('\n', ' ');
var item = new TextBlock {
Text = label,
HorizontalAlignment = HorizontalAlignment.Left,
VerticalAlignment = VerticalAlignment.Stretch,
TextAlignment = TextAlignment.Left,
TextWrapping = TextWrapping.NoWrap,
Padding = new Thickness(0),
Margin = new Thickness(0),
MinWidth = 3,
};
if (word.Updated)
{
item.Foreground = new SolidColorBrush(SMART_GUIDE_TEXT_HIGHLIGHT_COLOR);
}
else
{
item.Foreground = new SolidColorBrush(SMART_GUIDE_TEXT_DEFAULT_COLOR);
}
textItem.Children.Add(item);
if (word.Updated)
{
lastUpdatedItem = item;
}
}
}
// Set cursor position
if (lastUpdatedItem != null)
{
// Delay the scroll because the item's position/size within the scrollViewer are not updated yet
Windows.System.Threading.ThreadPoolTimer.CreateTimer
(
async(source) =>
{
await Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, () =>
{
var tr = lastUpdatedItem.TransformToVisual((UIElement)scrollItem.Content);
var pos = tr.TransformPoint(new Point(0, 0));
scrollItem.ChangeView(pos.X, 0.0, 1.0f, true);
});
},
TimeSpan.FromMilliseconds(10)
);
}
// Update Style item
SetTextBlockStyle(TextBlockStyle.NORMAL);
// Visibility/Fading
{
int delay = 0;
if (cause == UpdateCause.Edit)
{
delay = _currentBlock.Id.StartsWith("diagram/") ? fadeOutWriteInDiagramDelay : fadeOutWriteDelay;
}
else
{
delay = fadeOutOtherDelay;
}
if (cause != UpdateCause.View)
{
_timer1.Stop();
if (delay > 0)
{
_timer1.Interval = TimeSpan.FromMilliseconds(delay);
_timer1.Start();
}
this.Visibility = Windows.UI.Xaml.Visibility.Visible;
}
if (lastUpdatedItem != null)
{
_timer2.Interval = TimeSpan.FromMilliseconds(removeHighlightDelay);
_timer2.Start();
}
}
}
else
{
_timer1.Stop();
ResetWidgets();
}
}
