/// <summary>
/// Update guidelines
/// </summary>
/// <returns></returns>
private async Task UpdateLines()
{
double cellWidth = DesignerCanvas.GridCellWidth;
double w = ModelDesignerCanvas.Width;
double h = ModelDesignerCanvas.Height;
//For progress dialog glitch-free opening
await Task.Delay(500);
var geometry = await Task.Run(() => DesignerCanvas.CreateGridWithStreamGeometry(h, w, cellWidth));
ModelDesignerCanvas.RefreshGuideLines(geometry);
}
/// <summary>
/// Bending point mark added or removed
/// </summary>
/// <param name="sender"></param>
/// <param name="args"></param>
private void MarksOnCollectionChanged(object sender, NotifyCollectionChangedEventArgs args)
{
switch (args.Action)
{
case NotifyCollectionChangedAction.Add:
foreach (ConnectionPointMark mark in args.NewItems)
{
ModelDesignerCanvas.Children.Add(mark.Mark);
DesignerCanvas.SetZIndex(mark.Mark, DesignerCanvas.ConnectionPointZIndex);
}
break;
case NotifyCollectionChangedAction.Remove:
foreach (ConnectionPointMark mark in args.OldItems)
{
ModelDesignerCanvas.Children.Remove(mark.Mark);
}
break;
}
}
/// <summary>
/// Add new label to canvas
/// </summary>
/// <param name="viewModel">Label viewmodel</param>
private void AddLabelElement(LabelViewModel viewModel)
{
var content = new LabelContent(viewModel);
RoutedEventHandler loadedEventHandler = null;
loadedEventHandler = (sender, args) =>
{
MeasureToFit(content);
DesignerCanvas.SetZIndex(content, DesignerCanvas.LabelUnselectedZIndex);
DesignerCanvas.SetTop(content, viewModel.Top);
DesignerCanvas.SetLeft(content, viewModel.Left);
content.Height = content.ActualHeight + 30;
content.Width = content.ActualWidth + 30;
viewModel.Height = content.Height;
viewModel.Width = content.Width;
content.Loaded -= loadedEventHandler;
};
content.Loaded += loadedEventHandler;
ModelDesignerCanvas.Children.Add(content);
}
/// <summary>
/// Dimensions changed
/// </summary>
/// <returns></returns>
public async Task CanvasDimensionsChanged()
{
var settings = new MetroDialogSettings()
{
AnimateHide = true,
AnimateShow = false
};
var parent = VisualTreeHelperEx.FindAncestorByType <MetroWindow>(this);
var progressController = await parent.ShowProgressAsync("Please wait...", "Guidelines are updating", false, settings);
await UpdateLines();
await progressController.CloseAsync();
StreamGeometry geometry = DesignerCanvas.CreateGridWithStreamGeometry(ViewModel.CanvasHeight, ViewModel.CanvasWidth,
DesignerCanvas.GridCellWidth);
ModelDesignerCanvas.RefreshGuideLines(geometry);
ViewModel.OnComputedPropertyChanged();
}