/// <summary>
/// Represents the addimagenode command execution.
/// </summary>
/// <param name="param">
/// The param.
/// </param>
public void OnAddImageNodeCommand(object param)
{
OpenFileDialog openFileDialog = new OpenFileDialog();
openFileDialog.Filter =
"Image files (*.jpg, *.jpeg, *.jpe, *.jfif, *.png) | *.jpg; *.jpeg; *.jpe; *.jfif; *.png";
if (openFileDialog.ShowDialog() == true)
{
BitmapImage bitmap = new BitmapImage(new Uri(openFileDialog.FileName, UriKind.Absolute));
double offX =
this.ScrollSettings.ScrollInfo.HorizontalOffset / this.ScrollSettings.ScrollInfo.CurrentZoom
+ this.ScrollSettings.ScrollInfo.ViewportWidth / 2
- bitmap.Width * this.ScrollSettings.ScrollInfo.CurrentZoom / 2;
double offY = this.ScrollSettings.ScrollInfo.VerticalOffset / this.ScrollSettings.ScrollInfo.CurrentZoom
+ this.ScrollSettings.ScrollInfo.ViewportHeight / 2
- bitmap.Height * this.ScrollSettings.ScrollInfo.CurrentZoom / 2;
NodeVM nodevm = new NodeVM
{
OffsetX = offX,
OffsetY = offY,
Content = new Image {
Stretch = Stretch.Fill, Source = bitmap
}
};
(this.Nodes as ObservableCollection <NodeVM>).Add(nodevm);
}
}
async public void OnCapturesCommand(object param)
{
MediaCapture takePhotoManager = new MediaCapture();
await takePhotoManager.InitializeAsync();
ImageEncodingProperties imgFormat = ImageEncodingProperties.CreateJpeg();
IStorageFile file = await ApplicationData.Current.LocalFolder.CreateFileAsync(
"Photo.jpg", CreationCollisionOption.GenerateUniqueName);
await takePhotoManager.CapturePhotoToStorageFileAsync(imgFormat, file);
//Windows.Storage.StorageFile file = await cameraUI.CaptureFileAsync(CameraCaptureUIMode.PhotoOrVideo);
if (file != null)
{
IRandomAccessStream fileStream = await file.OpenAsync(Windows.Storage.FileAccessMode.Read);
BitmapImage bitmap = new BitmapImage();
bitmap.SetSource(fileStream);
IGraphInfo graph = this.Info as IGraphInfo;
NodeVM node = new NodeVM();
node.OffsetX = ((this.Info as IGraph).ScrollSettings.ScrollInfo.ViewportWidth) / 2;
node.OffsetY = ((this.Info as IGraph).ScrollSettings.ScrollInfo.ViewportHeight) / 2;
node.UnitHeight = 100;
node.UnitWidth = 100;
node.Content = new Image()
{
Source = bitmap, Stretch = Stretch.Fill
};
(Nodes as ObservableCollection <NodeVM>).Add(node);
}
}
async private void Onuploadcommand(object obj)
{
var picker = new FileOpenPicker();
picker.SuggestedStartLocation = PickerLocationId.PicturesLibrary;
picker.ViewMode = PickerViewMode.Thumbnail;
picker.FileTypeFilter.Add(".jpg");
picker.FileTypeFilter.Add(".jpeg");
var file = await picker.PickSingleFileAsync();
if (file == null)
{
return;
}
var stream = await file.OpenAsync(Windows.Storage.FileAccessMode.Read);
BitmapImage image = new BitmapImage();
image.SetSource(stream);
IGraphInfo graph = this.Info as IGraphInfo;
NodeVM node = new NodeVM();
node.OffsetX = ((this.Info as IGraph).ScrollSettings.ScrollInfo.ViewportWidth) / 2;
node.OffsetY = ((this.Info as IGraph).ScrollSettings.ScrollInfo.ViewportHeight) / 2;
node.UnitHeight = 100;
node.UnitWidth = 100;
node.Content = new Image()
{
Source = image, Stretch = Stretch.Fill
};
(Nodes as ObservableCollection <NodeVM>).Add(node);
}
void graph_GetDrawType(object sender, DrawTypeEventArgs args)
{
if (IsDrawTextNode)
{
NodeVM node = new NodeVM();
node.UnitWidth = 150;
node.UnitHeight = 50;
node.Annotations = new List <IAnnotation>();
LabelVM label = new LabelVM();
label.Mode = ContentEditorMode.Edit;
label.UnitWidth = 100;
label.UnitHeight = 100;
label.Content = "";
(node.Annotations as List <IAnnotation>).Add(label);
args.DrawItem = node;
node.PropertyChanged += (s, e) =>
{
if (e.PropertyName.Equals("IsSelected"))
{
INode n = s as INode;
if (n.IsSelected)
{
(this.SelectedItems as SelectorVM).SelectorConstraints &= ~SelectorConstraints.QuickCommands;
}
else
{
(this.SelectedItems as SelectorVM).SelectorConstraints = SelectorConstraints.Default;
foreach (IAnnotation annotaiton in n.Annotations as List <IAnnotation> )
{
if (annotaiton.Content != null)
{
if (string.IsNullOrEmpty(annotaiton.Content.ToString()))
{
NodeCollection.Remove(s as NodeVM);
break;
}
}
}
}
}
};
}
else if (this.Shape.Equals("Rectangle"))
{
args.DrawItem = new System.Windows.Shapes.Rectangle()
{
StrokeThickness = 1.0, Stroke = new SolidColorBrush(Colors.Black), Fill = new SolidColorBrush(Colors.White), Stretch = Stretch.Fill
};
}
else if (this.Shape.Equals("Ellipse"))
{
args.DrawItem = new System.Windows.Shapes.Ellipse()
{
StrokeThickness = 1.0, Stroke = new SolidColorBrush(Colors.Black), Fill = new SolidColorBrush(Colors.White)
};
}
//else if (this.Shape.Equals("Line"))
//{
//}
}
/// <summary>
/// The graph_ get draw type.
/// </summary>
/// <param name="sender">
/// The sender.
/// </param>
/// <param name="args">
/// The args.
/// </param>
private void graph_GetDrawType(object sender, DrawTypeEventArgs args)
{
if (this.IsDrawTextNode)
{
NodeVM node = new NodeVM();
node.UnitWidth = 150;
node.UnitHeight = 50;
node.Annotations = new List <IAnnotation>();
LabelVM label = new LabelVM();
label.Mode = ContentEditorMode.Edit;
label.UnitWidth = 100;
label.UnitHeight = 100;
label.Content = string.Empty;
(node.Annotations as List <IAnnotation>).Add(label);
args.DrawItem = node;
node.PropertyChanged += (s, e) =>
{
if (e.PropertyName.Equals("IsSelected"))
{
INode n = s as INode;
if (n.IsSelected)
{
(this.SelectedItems as SelectorVM).SelectorConstraints &=
~SelectorConstraints.QuickCommands;
}
}
};
}
else if (this.Shape.Equals("Rectangle"))
{
args.DrawItem = new Rectangle
{
StrokeThickness = 1.0,
Stroke = new SolidColorBrush(Colors.Black),
Fill = new SolidColorBrush(Colors.White),
Stretch = Stretch.Fill
};
}
else if (this.Shape.Equals("Ellipse"))
{
args.DrawItem = new Ellipse
{
StrokeThickness = 1.0,
Stroke = new SolidColorBrush(Colors.Black),
Fill = new SolidColorBrush(Colors.White)
};
}
}
void SelectedSymbol_DoubleTapped(object sender, Windows.UI.Xaml.Input.DoubleTappedRoutedEventArgs e)
{
if (this.SelectedDiagram.SelectedItems != null && ((this.SelectedDiagram.SelectedItems as SelectorVM).Nodes as ICollection <object>).Count > 0)
{
((this.SelectedDiagram.SelectedItems as SelectorVM).Nodes as ICollection <object>).Clear();
}
NodeVM node = new NodeVM();
IGraph graph = this.SelectedDiagram.Info as IGraph;
node.OffsetX = graph.ScrollSettings.ScrollInfo.ViewportWidth / 2;
node.OffsetY = graph.ScrollSettings.ScrollInfo.ViewportHeight / 2;
node.UnitWidth = 100;
node.UnitHeight = 100;
node.Content = Stencil.SelectedSymbol.Content;
node.ContentTemplate = Stencil.SelectedSymbol.ContentTemplate;
node.IsSelected = true;
this.SelectedDiagram.NodeCollection.Add(node);
e.Handled = true;
}
