public static void InitCanvasHandlers()
{
var window = Application.Current.MainWindow as Designer;
window.txtRatio.Text = "1m : " + Settings.Default.PixelMeterRatio + "px";
window.MapCanvas.PreviewMouseLeftButtonDown += (sender, args) =>
{
SelectionFilter.ChangeFilters(null);
ImageHandler.SelectedImage = null;
ShapeHandler.SelectedImage = null;
};
window.MapCanvas.PreviewMouseMove += (sender, args) =>
{
var point = args.GetPosition(window.MapCanvas);
window.txtCursor.Text = string.Format("x: {0}px, y: {1}px", (int)point.X, (int)point.Y);
window.txtCursorMeters.Text = string.Format("x: {0}m, y: {1}m", (point.X / Settings.Default.PixelMeterRatio).ToString("N"), (point.Y / Settings.Default.PixelMeterRatio).ToString("N"));
};
window.MapCanvas.MouseWheel += (sender, args) =>
{
if (Keyboard.IsKeyDown(Key.LeftAlt) && BaseHandler.ObjectSelected == false)
{
if (args.Delta > 0)
{
window.TxtMapZoom.Text = (Convert.ToSingle(window.TxtMapZoom.Text) * 1.15).ToString();
}
else
{
window.TxtMapZoom.Text = (Convert.ToSingle(window.TxtMapZoom.Text) / 1.15).ToString();
}
window.PanningCanvas.InvalidateMeasure();
}
};
}
public Designer()
{
InitializeComponent();
CanvasHandler.InitCanvasHandlers();
Closing += (sender, args) => { Settings.Default.Save(); };
PreviewKeyDown += (sender, e) =>
{
if (BaseHandler.ObjectSelected)
{
//-- #######################################
//-- Copy
//-- #######################################
if (e.Key == Key.C && (Keyboard.Modifiers & ModifierKeys.Control) == ModifierKeys.Control)
{
if (ImageHandler.SelectedImage != null)
{
var img = ImageHandler.SelectedImage;
var savedObject = XamlWriter.Save(img);
// Load the XamlObject
var stringReader = new StringReader(savedObject);
var xmlReader = XmlReader.Create(stringReader);
CopyTarget = (Canvas)XamlReader.Load(xmlReader);
}
if (ShapeHandler.SelectedImage != null)
{
var img = ShapeHandler.SelectedImage;
var savedObject = XamlWriter.Save(img);
// Load the XamlObject
var stringReader = new StringReader(savedObject);
var xmlReader = XmlReader.Create(stringReader);
CopyTarget = (Viewbox)XamlReader.Load(xmlReader);
}
}
//-- #######################################
//-- Paste
//-- #######################################
if (e.Key == Key.V && (Keyboard.Modifiers & ModifierKeys.Control) == ModifierKeys.Control)
{
var canvas = CopyTarget as Canvas;
if (canvas != null)
{
ImageHandler.AddImageToCanvas(ref canvas);
var position = Mouse.GetPosition(MapCanvas);
Canvas.SetTop(CopyTarget, position.Y);
Canvas.SetLeft(CopyTarget, position.X);
ImageHandler.SelectedImage = canvas;
SelectionFilter.ChangeFilters(CopyTarget);
var savedObject = XamlWriter.Save(CopyTarget);
// Load the XamlObject
var stringReader = new StringReader(savedObject);
var xmlReader = XmlReader.Create(stringReader);
CopyTarget = (Canvas)XamlReader.Load(xmlReader);
}
var grid = CopyTarget as Viewbox;
if (grid != null)
{
ShapeHandler.AddImageToCanvas(ref grid);
var position = Mouse.GetPosition(MapCanvas);
Canvas.SetTop(CopyTarget, position.Y);
Canvas.SetLeft(CopyTarget, position.X);
ShapeHandler.SelectedImage = grid;
SelectionFilter.ChangeFilters(CopyTarget);
var savedObject = XamlWriter.Save(CopyTarget);
// Load the XamlObject
var stringReader = new StringReader(savedObject);
var xmlReader = XmlReader.Create(stringReader);
CopyTarget = (Viewbox)XamlReader.Load(xmlReader);
}
}
//-- #######################################
//-- Delete
//-- #######################################
if (e.Key == Key.Delete)
{
if (ImageHandler.SelectedImage != null)
{
MapCanvas.Children.Remove(ImageHandler.SelectedImage);
}
if (ShapeHandler.SelectedImage != null)
{
MapCanvas.Children.Remove(ShapeHandler.SelectedImage);
}
}
}
};
}
public static void InitImageHandlers(ref Canvas layer)
{
var window = Application.Current.MainWindow as Designer;
var uiElement = layer as UIElement;
layer.MouseDown += (sender, args) =>
{
firstPoint = args.GetPosition(window);
var img = sender as Canvas;
img.CaptureMouse();
SelectedImage = img;
SelectionFilter.ChangeFilters(sender);
};
layer.PreviewMouseMove += (sender, args) =>
{
var img = SelectedImage as UIElement;
if (args.LeftButton == MouseButtonState.Pressed && img != null)
{
//-- Create Temp Point
var temp = args.GetPosition(window);
var res = new Point(firstPoint.X - temp.X, firstPoint.Y - temp.Y);
//-Update image location
Canvas.SetLeft(img, Canvas.GetLeft(img) - res.X);
Canvas.SetTop(img, Canvas.GetTop(img) - res.Y);
window.SelectedLayerX.Text = (Canvas.GetLeft(img) / 50.0).ToString("N") + "m, ";
window.SelectedLayerY.Text = (Canvas.GetTop(img) / 50.0).ToString("N") + "m";
Console.WriteLine(Canvas.GetLeft(img) - res.X);
//-- update first point
firstPoint = temp;
}
};
layer.PreviewMouseUp += (sender, args) =>
{
var img = sender as Canvas;
img.ReleaseMouseCapture();
};
layer.PreviewMouseWheel += (sender, args) =>
{
var img = sender as Canvas;
var mat = img.RenderTransform.Value;
var mouse = args.GetPosition(img);
if (Keyboard.IsKeyDown(Key.LeftCtrl))
{
if (args.Delta > 0)
{
mat.RotateAtPrepend(2, mouse.X, mouse.Y);
}
else
{
mat.RotateAtPrepend(-2, mouse.X, mouse.Y);
}
}
img.RenderTransform = new MatrixTransform(mat);
};
layer.SizeChanged += (sender, args) =>
{
if (SelectedImage != null)
{
window.SelectedLayerWidth.Text = (SelectedImage.ActualHeight / 50.0).ToString("N") + "m, ";
window.SelectedLayerHeight.Text = (SelectedImage.ActualWidth / 50.0).ToString("N") + "m";
}
};
//combo box
window.SelectedImageStretch.SelectionChanged += (sender, args) =>
{
if (SelectedImage != null)
{
switch (window.SelectedImageStretch.SelectedIndex)
{
case 0:
(SelectedImage.Background as ImageBrush).Stretch = Stretch.Uniform;
break;
case 1:
(SelectedImage.Background as ImageBrush).Stretch = Stretch.UniformToFill;
break;
case 2:
(SelectedImage.Background as ImageBrush).Stretch = Stretch.Fill;
break;
case 3:
(SelectedImage.Background as ImageBrush).Stretch = Stretch.None;
break;
}
}
};
}
