public void AddThumbail(string filePath)
{
DesignerItem newItem = new DesignerItem();
FreeImageAlgorithmsWPFImage uiElement = new FreeImageAlgorithmsWPFImage(filePath);
uiElement.Stretch = Stretch.Fill;
newItem.Selected += new System.Windows.RoutedEventHandler(OnDesignerItemSelected);
uiElement.IsHitTestVisible = false;
newItem.Content = uiElement;
newItem.Width = uiElement.ThumbnailFib.Width;
newItem.Height = uiElement.ThumbnailFib.Height;
DesignerCanvas.SetLeft(newItem, startx);
DesignerCanvas.SetTop(newItem, starty);
startx += 10.0f;
starty += 10.0f;
this.Canvas.Children.Add(newItem);
this.Canvas.DeselectAll();
newItem.IsSelected = true;
}
/// <summary>
/// If is grid enabled, snap to intersects
/// </summary>
private void SnapToGrid()
{
if (_canvas.IsGridEnabled)
{
int cellWidth = DesignerCanvas.GridCellWidth;
var selected = _canvas.SelectedLabels.ToArray();
foreach (LabelContent item in selected)
{
double top = item.ViewModel.Top;
double left = item.ViewModel.Left;
double bottom = top + item.ViewModel.Height;
double right = left + item.ViewModel.Width;
double approxCellTop = Math.Round(top / cellWidth, MidpointRounding.AwayFromZero) * cellWidth;
double approxCellLeft = Math.Round(left / cellWidth, MidpointRounding.AwayFromZero) * cellWidth;
DesignerCanvas.SetLeft(item, approxCellLeft);
DesignerCanvas.SetTop(item, approxCellTop);
item.ViewModel.Left = approxCellLeft;
item.ViewModel.Top = approxCellTop;
}
}
}
/// <summary>
/// Helper method for update of table position
/// </summary>
/// <param name="table">Table</param>
private void UpdateTablePosition(TableContent table)
{
int step = 100;
var grid = CreateMinifiedGridForPathFindingSync(ViewModel, step);
var finder = new FreeRectangleFinder(grid);
var rect = GetTableRectangles(new[] { table.TableViewModel }, step).Select(s =>
{
var t = s.Y / step;
var l = s.X / step;
var r = s.Right / step;
var b = s.Bottom / step;
return(new Rectangle(l, t, r - l, b - t));
}).FirstOrDefault();
var res = finder.FindFreeRectangle(rect);
if (res.HasValue)
{
var realPoint = res.Value.FromMinified(step);
table.TableViewModel.Top = realPoint.Y;
table.TableViewModel.Left = realPoint.X;
DesignerCanvas.SetTop(table, realPoint.Y);
DesignerCanvas.SetLeft(table, realPoint.X);
}
}
public void Create(UIElement element, double x, double y)
{
DesignerCanvas.SetLeft(element, x);
DesignerCanvas.SetTop(element, y);
Canvas.SetZIndex(element, designer.Children.Count);
designer.Children.Add(element);
}
void txtX_TextChanged(object sender, TextChangedEventArgs e)
{
double x;
TextBox txt = sender as TextBox;
if (txt == null)
{
return;
}
if (_source == null)
{
return;
}
if (double.TryParse(txt.Text, out x))
{
DesignerCanvas.SetLeft(_source, x);
if (PropertyXChanged == null)
{
return;
}
PropertyXChanged(_source, new RoutedPropertyChangedEventArgs <double>(oldHeight, x));
}
}
/// <summary>
/// Dragging
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void OnDragDelta(object sender, DragDeltaEventArgs e)
{
if (_item != null && _canvas != null && _item.IsSelected)
{
double maxDeltaVertical = _canvas.ActualHeight - (DesignerCanvas.GetTop(_item) + _item.ActualHeight);
double maxDeltaHorizontal = _canvas.ActualWidth - (DesignerCanvas.GetLeft(_item) + _item.ActualWidth);
var minDeltaVertical = _item.ActualHeight - _item.MinHeight;
var minDeltaHorizontal = _item.ActualWidth - _item.MinWidth;
double deltaVertical;
switch (VerticalAlignment)
{
case VerticalAlignment.Bottom:
deltaVertical = e.VerticalChange > 0 && e.VerticalChange >= maxDeltaVertical
? 0
: Math.Min(-e.VerticalChange, minDeltaVertical);
_item.Height = _item.ActualHeight - (int)deltaVertical;
_item.ViewModel.Height = _item.Height;
break;
case VerticalAlignment.Top:
deltaVertical = (int)Math.Min(Math.Max(-DesignerCanvas.GetTop(_item), e.VerticalChange), minDeltaVertical);
var topPos = DesignerCanvas.GetTop(_item) + deltaVertical;
DesignerCanvas.SetTop(_item, topPos);
_item.Height = _item.ActualHeight - deltaVertical;
_item.ViewModel.Height = _item.Height;
_item.ViewModel.Top = topPos;
break;
}
double deltaHorizontal;
switch (HorizontalAlignment)
{
case HorizontalAlignment.Left:
deltaHorizontal = (int)Math.Min(Math.Max(-DesignerCanvas.GetLeft(_item), e.HorizontalChange), minDeltaHorizontal);
var leftPos = DesignerCanvas.GetLeft(_item) + deltaHorizontal;
DesignerCanvas.SetLeft(_item, leftPos);
_item.Width = _item.ActualWidth - deltaHorizontal;
_item.ViewModel.Width = _item.Width;
_item.ViewModel.Left = leftPos;
break;
case HorizontalAlignment.Right:
deltaHorizontal = e.HorizontalChange > 0 && e.HorizontalChange >= maxDeltaHorizontal ? 0 : (int)Math.Min(-e.HorizontalChange, minDeltaHorizontal);
_item.Width = _item.ActualWidth - deltaHorizontal;
_item.ViewModel.Width = _item.Width;
break;
}
}
}
/// <summary>
/// If is grid enabled, snap to intersects
/// </summary>
private void SnapToGrid()
{
if (_canvas.IsGridEnabled)
{
int cellWidth = DesignerCanvas.GridCellWidth;
var selected = _canvas.SelectedTables.ToArray();
double topConnectionLimit = double.MaxValue;
double bottomConnectionLimit = double.MaxValue;
double leftConnectionLimit = double.MaxValue;
double rightConnectionLimit = double.MaxValue;
foreach (TableContent item in _canvas.SelectedTables)
{
foreach (ConnectionInfoViewModel model in _connections.Where(t => t.SourceViewModel.Equals(item.TableViewModel)))
{
ConnectionInfoViewModel.GetConnectionLimits(ref topConnectionLimit, ref bottomConnectionLimit, ref leftConnectionLimit, ref rightConnectionLimit, model.SourceConnector, model);
}
foreach (ConnectionInfoViewModel model in _connections.Where(t => t.DestinationViewModel.Equals(item.TableViewModel)))
{
ConnectionInfoViewModel.GetConnectionLimits(ref topConnectionLimit, ref bottomConnectionLimit, ref leftConnectionLimit, ref rightConnectionLimit, model.DestinationConnector, model);
}
}
foreach (TableContent item in selected)
{
double top = item.TableViewModel.Top;
double left = item.TableViewModel.Left;
double bottom = top + item.TableViewModel.Height;
double right = left + item.TableViewModel.Width;
double approxCellTop = Math.Round(top / cellWidth, MidpointRounding.AwayFromZero) * cellWidth;
double approxCellLeft = Math.Round(left / cellWidth, MidpointRounding.AwayFromZero) * cellWidth;
if (WillSnapToGridBrokeConnections(topConnectionLimit, leftConnectionLimit, bottomConnectionLimit, rightConnectionLimit, top, left, bottom, right, approxCellTop, approxCellLeft))
{
continue;
}
DesignerCanvas.SetLeft(item, approxCellLeft);
DesignerCanvas.SetTop(item, approxCellTop);
item.TableViewModel.Left = approxCellLeft;
item.TableViewModel.Top = approxCellTop;
}
}
}
private void CenterPointThumb_DragDelta(object sender, DragDeltaEventArgs e)
{
Point dragDelta = new Point(e.HorizontalChange, e.VerticalChange);
if (this.designerItem != null && this._parent != null)
{
if (this._transform != null)
{
dragDelta = _transform.Transform(dragDelta);
}
DesignerCanvas.SetLeft(this, DesignerCanvas.GetLeft(this) + dragDelta.X);
DesignerCanvas.SetTop(this, DesignerCanvas.GetTop(this) + dragDelta.Y);
e.Handled = true;
}
}
/// <summary>
/// Dragging
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void OnDragDelta(object sender, DragDeltaEventArgs e)
{
if (_item != null && _canvas != null && _item.IsSelected)
{
double minLeft = double.MaxValue;
double minTop = double.MaxValue;
double maxTop = double.MinValue;
double maxLeft = double.MinValue;
LabelContent[] selected = _canvas.SelectedLabels.ToArray();
foreach (LabelContent item in selected)
{
minLeft = Math.Min(DesignerCanvas.GetLeft(item), minLeft);
minTop = Math.Min(DesignerCanvas.GetTop(item), minTop);
maxLeft = Math.Max(DesignerCanvas.GetLeft(item) + item.ActualWidth, maxLeft);
maxTop = Math.Max(DesignerCanvas.GetTop(item) + item.ActualHeight, maxTop);
}
double deltaHorizontal = (int)Math.Max(-minLeft, e.HorizontalChange);
double deltaVertical = (int)Math.Max(-minTop, e.VerticalChange);
if (deltaHorizontal + maxLeft > _canvas.ActualWidth)
{
deltaHorizontal = 0;
}
if (deltaVertical + maxTop > _canvas.ActualHeight)
{
deltaVertical = 0;
}
foreach (LabelContent item in selected)
{
var leftPos = DesignerCanvas.GetLeft(item) + deltaHorizontal;
var topPos = DesignerCanvas.GetTop(item) + deltaVertical;
DesignerCanvas.SetLeft(item, leftPos);
DesignerCanvas.SetTop(item, topPos);
item.ViewModel.Left = leftPos;
item.ViewModel.Top = topPos;
}
e.Handled = true;
}
}
protected override void OnDrop(DragEventArgs e)
{
//base.OnDrop(e);
DragDropContainer dragObject = e.Data.GetData(typeof(DragDropContainer)) as DragDropContainer;
if (dragObject != null && dragObject.Data != null)
{
ReflectDesignItem newItem = null;
Object content = dragObject.Data;
if (content != null)
{
newItem = new ReflectDesignItem();
newItem.Style = (Style)Application.Current.FindResource(typeof(DesignerItem));
newItem.DataContext = content;
Point position = e.GetPosition(this);
if (dragObject.DesiredSize.HasValue)
{
Size desiredSize = dragObject.DesiredSize.Value;
newItem.Width = desiredSize.Width;
newItem.Height = desiredSize.Height;
DesignerCanvas.SetLeft(newItem, Math.Max(0, position.X - newItem.Width / 2));
DesignerCanvas.SetTop(newItem, Math.Max(0, position.Y - newItem.Height / 2));
}
else
{
DesignerCanvas.SetLeft(newItem, Math.Max(0, position.X));
DesignerCanvas.SetTop(newItem, Math.Max(0, position.Y));
}
Canvas.SetZIndex(newItem, this.Children.Count);
this.Children.Add(newItem);
SetConnectorDecoratorTemplate(newItem);
//update selection
this.SelectionService.SelectItem(newItem);
newItem.Focus();
}
e.Handled = true;
}
}
/// <summary>
/// If is grid enabled, snap to intersects
/// </summary>
private void SnapToGrid()
{
if (_canvas.IsGridEnabled)
{
double top = _item.ViewModel.Top;
double left = _item.ViewModel.Left;
double bottom = top + _item.ViewModel.Height;
double right = left + _item.ViewModel.Width;
int cellWidth = DesignerCanvas.GridCellWidth;
double approxCell;
switch (VerticalAlignment)
{
case VerticalAlignment.Top:
approxCell = Math.Round(top / cellWidth, MidpointRounding.AwayFromZero) * cellWidth;
DesignerCanvas.SetTop(_item, approxCell);
_item.ViewModel.Top = approxCell;
break;
case VerticalAlignment.Bottom:
approxCell = Math.Round(bottom / cellWidth, MidpointRounding.AwayFromZero) * cellWidth;
_item.ViewModel.Height = approxCell - _item.ViewModel.Top;
_item.Height = _item.ViewModel.Height;
break;
}
switch (HorizontalAlignment)
{
case HorizontalAlignment.Left:
approxCell = Math.Round(left / cellWidth, MidpointRounding.AwayFromZero) * cellWidth;
DesignerCanvas.SetLeft(_item, approxCell);
_item.ViewModel.Left = approxCell;
break;
case HorizontalAlignment.Right:
approxCell = Math.Round(right / cellWidth, MidpointRounding.AwayFromZero) * cellWidth;
_item.ViewModel.Width = approxCell - _item.ViewModel.Left;
_item.Width = _item.ViewModel.Width;
break;
}
}
}
/// <summary>
/// If is grid enabled, snap to intersects
/// </summary>
private void SnapToGrid()
{
if (_canvas.IsGridEnabled)
{
double topConnectionLimit = double.MaxValue;
double bottomConnectionLimit = double.MaxValue;
double leftConnectionLimit = double.MaxValue;
double rightConnectionLimit = double.MaxValue;
foreach (ConnectionInfoViewModel model in _connections.Where(t => t.SourceViewModel.Equals(_item.TableViewModel)))
{
ConnectionInfoViewModel.GetConnectionLimits(ref topConnectionLimit, ref bottomConnectionLimit, ref leftConnectionLimit, ref rightConnectionLimit, model.SourceConnector, model);
}
foreach (ConnectionInfoViewModel model in _connections.Where(t => t.DestinationViewModel.Equals(_item.TableViewModel)))
{
ConnectionInfoViewModel.GetConnectionLimits(ref topConnectionLimit, ref bottomConnectionLimit, ref leftConnectionLimit, ref rightConnectionLimit, model.DestinationConnector, model);
}
double top = _item.TableViewModel.Top;
double left = _item.TableViewModel.Left;
double bottom = top + _item.TableViewModel.Height;
double right = left + _item.TableViewModel.Width;
int cellWidth = DesignerCanvas.GridCellWidth;
double approxCell;
switch (VerticalAlignment)
{
case VerticalAlignment.Top:
approxCell = Math.Round(top / cellWidth, MidpointRounding.AwayFromZero) * cellWidth;
if (topConnectionLimit < double.MaxValue)
{
if (approxCell > top - topConnectionLimit)
{
DesignerCanvas.SetTop(_item, approxCell);
_item.TableViewModel.Top = approxCell;
}
}
else
{
DesignerCanvas.SetTop(_item, approxCell);
_item.TableViewModel.Top = approxCell;
}
break;
case VerticalAlignment.Bottom:
approxCell = Math.Round(bottom / cellWidth, MidpointRounding.AwayFromZero) * cellWidth;
if (bottomConnectionLimit < double.MaxValue)
{
if (approxCell < bottom + bottomConnectionLimit)
{
_item.TableViewModel.Height = approxCell - _item.TableViewModel.Top;
_item.Height = _item.TableViewModel.Height;
}
}
else
{
_item.TableViewModel.Height = approxCell - _item.TableViewModel.Top;
_item.Height = _item.TableViewModel.Height;
}
break;
}
switch (HorizontalAlignment)
{
case HorizontalAlignment.Left:
approxCell = Math.Round(left / cellWidth, MidpointRounding.AwayFromZero) * cellWidth;
if (leftConnectionLimit < double.MaxValue)
{
if (approxCell > left - leftConnectionLimit)
{
DesignerCanvas.SetLeft(_item, approxCell);
_item.TableViewModel.Left = approxCell;
}
}
else
{
DesignerCanvas.SetLeft(_item, approxCell);
_item.TableViewModel.Left = approxCell;
}
break;
case HorizontalAlignment.Right:
approxCell = Math.Round(right / cellWidth, MidpointRounding.AwayFromZero) * cellWidth;
if (rightConnectionLimit < double.MaxValue)
{
if (approxCell < right + rightConnectionLimit)
{
_item.TableViewModel.Width = approxCell - _item.TableViewModel.Left;
_item.Width = _item.TableViewModel.Width;
}
}
else
{
_item.TableViewModel.Width = approxCell - _item.TableViewModel.Left;
_item.Width = _item.TableViewModel.Width;
}
break;
}
}
}
/// <summary>
/// Drag of thumb in progress
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void ResizeThumb_DragDelta(object sender, DragDeltaEventArgs e)
{
if (_item != null && _canvas != null && _item.IsSelected)
{
double maxDeltaVertical = _canvas.ActualHeight - (DesignerCanvas.GetTop(_item) + _item.ActualHeight);
double maxDeltaHorizontal = _canvas.ActualWidth - (DesignerCanvas.GetLeft(_item) + _item.ActualWidth);
var minDeltaVertical = _item.ActualHeight - _item.MinHeight;
var minDeltaHorizontal = _item.ActualWidth - _item.MinWidth;
#region Bad approach
//Bad approach
//foreach(TableContent item in _canvas.SelectedTables)
//{
// minLeft = Math.Min(DesignerCanvas.GetLeft(item), minLeft);
// minTop = Math.Min(DesignerCanvas.GetTop(item), minTop);
// maxLeft = Math.Max(DesignerCanvas.GetLeft(item) + item.ActualWidth, maxLeft);
// maxTop = Math.Max(DesignerCanvas.GetTop(item) + item.ActualHeight, maxTop);
// if (item.TableViewModel.ViewMode != TableViewMode.NameOnly)
// {
// minDeltaVertical = Math.Min(item.ActualHeight - item.MinHeight, minDeltaVertical);
// }
// minDeltaHorizontal = Math.Min(item.ActualWidth - item.MinWidth, minDeltaHorizontal);
// maxDeltaVertical = Math.Min(_canvas.ActualHeight - (DesignerCanvas.GetTop(item) + item.ActualHeight), maxDeltaVertical);
// maxDeltaHorizontal = Math.Min(_canvas.ActualWidth - (DesignerCanvas.GetLeft(item) + item.ActualWidth), maxDeltaHorizontal);
//}
#endregion
double topConnectionLimit = double.MaxValue;
double bottomConnectionLimit = double.MaxValue;
double leftConnectionLimit = double.MaxValue;
double rightConnectionLimit = double.MaxValue;
foreach (ConnectionInfoViewModel model in _connections.Where(t => t.SourceViewModel.Equals(_item.TableViewModel)))
{
ConnectionInfoViewModel.GetConnectionLimits(ref topConnectionLimit, ref bottomConnectionLimit, ref leftConnectionLimit, ref rightConnectionLimit, model.SourceConnector, model);
}
foreach (ConnectionInfoViewModel model in _connections.Where(t => t.DestinationViewModel.Equals(_item.TableViewModel)))
{
ConnectionInfoViewModel.GetConnectionLimits(ref topConnectionLimit, ref bottomConnectionLimit, ref leftConnectionLimit, ref rightConnectionLimit, model.DestinationConnector, model);
}
if (_item.TableViewModel.ViewMode != TableViewMode.NameOnly)
{
double deltaVertical;
switch (VerticalAlignment)
{
case VerticalAlignment.Bottom:
deltaVertical = e.VerticalChange > 0 && e.VerticalChange >= maxDeltaVertical ? 0 : Math.Min(-e.VerticalChange, minDeltaVertical);
if (bottomConnectionLimit < double.MaxValue)
{
if (DesignerCanvas.GetTop(_item) + _item.ActualHeight - deltaVertical >= (DesignerCanvas.GetTop(_item) + _item.ActualHeight) + bottomConnectionLimit)
{
deltaVertical = 0;
}
}
_item.Height = _item.ActualHeight - (int)deltaVertical;
_item.TableViewModel.Height = _item.Height;
break;
case VerticalAlignment.Top:
deltaVertical = (int)Math.Min(Math.Max(-DesignerCanvas.GetTop(_item), e.VerticalChange), minDeltaVertical);
if (topConnectionLimit < double.MaxValue)
{
if (deltaVertical < 0 && DesignerCanvas.GetTop(_item) + deltaVertical <= DesignerCanvas.GetTop(_item) - topConnectionLimit)
{
deltaVertical = 0;
}
}
var topPos = DesignerCanvas.GetTop(_item) + deltaVertical;
DesignerCanvas.SetTop(_item, topPos);
_item.Height = _item.ActualHeight - deltaVertical;
_item.TableViewModel.Height = _item.Height;
_item.TableViewModel.Top = topPos;
break;
}
}
double deltaHorizontal;
switch (HorizontalAlignment)
{
case HorizontalAlignment.Left:
deltaHorizontal = (int)Math.Min(Math.Max(-DesignerCanvas.GetLeft(_item), e.HorizontalChange), minDeltaHorizontal);
if (leftConnectionLimit < double.MaxValue)
{
if (deltaHorizontal < 0 && DesignerCanvas.GetLeft(_item) + deltaHorizontal <= DesignerCanvas.GetLeft(_item) - leftConnectionLimit)
{
deltaHorizontal = 0;
}
}
var leftPos = DesignerCanvas.GetLeft(_item) + deltaHorizontal;
DesignerCanvas.SetLeft(_item, leftPos);
_item.Width = _item.ActualWidth - deltaHorizontal;
_item.TableViewModel.Width = _item.Width;
_item.TableViewModel.Left = leftPos;
break;
case HorizontalAlignment.Right:
deltaHorizontal = e.HorizontalChange > 0 && e.HorizontalChange >= maxDeltaHorizontal ? 0 : (int)Math.Min(-e.HorizontalChange, minDeltaHorizontal);
if (rightConnectionLimit < double.MaxValue)
{
if (DesignerCanvas.GetLeft(_item) + _item.ActualWidth - deltaHorizontal >= DesignerCanvas.GetLeft(_item) + _item.ActualWidth + rightConnectionLimit)
{
deltaHorizontal = 0;
}
}
_item.Width = _item.ActualWidth - deltaHorizontal;
_item.TableViewModel.Width = _item.Width;
break;
}
}
e.Handled = true;
}
public void Undo()
{
DesignerCanvas.SetLeft(_item, _oldProperty);
}
public void Execute()
{
DesignerCanvas.SetLeft(_item, _newProperty);
}
/// <summary>
/// Mouse drag in progress
/// </summary>
/// <param name="sender"></param>
/// <param name="dragDeltaEventArgs"></param>
private void OnDragDelta(object sender, DragDeltaEventArgs dragDeltaEventArgs)
{
if (_item != null && _canvas != null && _item.IsSelected)
{
double minLeft = double.MaxValue;
double minTop = double.MaxValue;
double maxTop = double.MinValue;
double maxLeft = double.MinValue;
foreach (TableContent item in _canvas.SelectedTables)
{
minLeft = Math.Min(DesignerCanvas.GetLeft(item), minLeft);
minTop = Math.Min(DesignerCanvas.GetTop(item), minTop);
maxLeft = Math.Max(DesignerCanvas.GetLeft(item) + item.ActualWidth, maxLeft);
maxTop = Math.Max(DesignerCanvas.GetTop(item) + item.ActualHeight, maxTop);
}
double deltaHorizontal = (int)Math.Max(-minLeft, dragDeltaEventArgs.HorizontalChange);
double deltaVertical = (int)Math.Max(-minTop, dragDeltaEventArgs.VerticalChange);
//Limit movement by connection position
double topConnectionLimit = double.MaxValue;
double bottomConnectionLimit = double.MaxValue;
double leftConnectionLimit = double.MaxValue;
double rightConnectionLimit = double.MaxValue;
foreach (TableContent item in _canvas.SelectedTables)
{
foreach (ConnectionInfoViewModel model in _connections.Where(t => t.SourceViewModel.Equals(item.TableViewModel)))
{
ConnectionInfoViewModel.GetConnectionLimits(ref topConnectionLimit, ref bottomConnectionLimit, ref leftConnectionLimit, ref rightConnectionLimit, model.SourceConnector, model);
}
foreach (ConnectionInfoViewModel model in _connections.Where(t => t.DestinationViewModel.Equals(item.TableViewModel)))
{
ConnectionInfoViewModel.GetConnectionLimits(ref topConnectionLimit, ref bottomConnectionLimit, ref leftConnectionLimit, ref rightConnectionLimit, model.DestinationConnector, model);
}
}
if (_item.TableViewModel.AreLimitsEnabled)
{
if (topConnectionLimit < double.MaxValue)
{
if (deltaVertical < 0 && minTop + deltaVertical <= minTop - topConnectionLimit)
{
deltaVertical = 0;
}
}
if (bottomConnectionLimit < double.MaxValue)
{
if (deltaVertical > 0 && maxTop + deltaVertical >= maxTop + bottomConnectionLimit)
{
deltaVertical = 0;
}
}
if (leftConnectionLimit < double.MaxValue)
{
if (deltaHorizontal < 0 && minLeft + deltaHorizontal <= minLeft - leftConnectionLimit)
{
deltaHorizontal = 0;
}
}
if (rightConnectionLimit < double.MaxValue)
{
if (deltaHorizontal > 0 && maxLeft + deltaHorizontal >= maxLeft + rightConnectionLimit)
{
deltaHorizontal = 0;
}
}
if (maxLeft >= _canvas.ActualWidth && dragDeltaEventArgs.HorizontalChange > 0)
{
deltaHorizontal = 0;
}
if (maxTop >= _canvas.ActualHeight && dragDeltaEventArgs.VerticalChange > 0)
{
deltaVertical = 0;
}
}
var selected = _canvas.SelectedTables.ToArray();
foreach (TableContent item in selected)
{
var leftPos = DesignerCanvas.GetLeft(item) + deltaHorizontal;
var topPos = DesignerCanvas.GetTop(item) + deltaVertical;
DesignerCanvas.SetLeft(item, leftPos);
DesignerCanvas.SetTop(item, topPos);
item.TableViewModel.Left = leftPos;
item.TableViewModel.Top = topPos;
}
dragDeltaEventArgs.Handled = true;
}
}