protected override bool OnDragEnd(Point dragStartPosition, Point dragEndPosition)
{
LayoutLineHeaderAdorner lineHeaderAdorner = this.ActiveAdorner as LayoutLineHeaderAdorner;
NewGridlineAdorner newGridlineAdorner = this.ActiveAdorner as NewGridlineAdorner;
if (lineHeaderAdorner != null)
{
((GridRowColumnAdornerSet)lineHeaderAdorner.AdornerSet).DraggingGridline = false;
}
else if (newGridlineAdorner != null && this.IsNewGridlineEnabled)
{
GridElement grid = (GridElement)((Adorner)this.ActiveAdorner).Element;
GridLayoutDesigner gridLayoutDesigner = (GridLayoutDesigner)grid.LayoutDesigner;
dragEndPosition = this.ToolBehaviorContext.SnappingEngine.SnapPoint(dragEndPosition);
Matrix transformFromRoot = this.ActiveView.GetComputedTransformFromRoot((SceneElement)grid);
dragEndPosition *= transformFromRoot;
if (newGridlineAdorner.IsX)
{
gridLayoutDesigner.AddVerticalGridline(grid, dragEndPosition.X);
}
else
{
gridLayoutDesigner.AddHorizontalGridline(grid, dragEndPosition.Y);
}
}
this.ToolBehaviorContext.SnappingEngine.Stop();
this.CommitEditTransaction();
return(base.OnDragEnd(dragStartPosition, dragEndPosition));
}
protected override bool OnDrag(Point dragStartPosition, Point dragCurrentPosition, bool scrollNow)
{
SceneView activeView = this.ActiveView;
LayoutLineHeaderAdorner lineHeaderAdorner = this.ActiveAdorner as LayoutLineHeaderAdorner;
GridElement grid = (GridElement)((Adorner)this.ActiveAdorner).Element;
GridLayoutDesigner gridLayoutDesigner = (GridLayoutDesigner)grid.LayoutDesigner;
activeView.EnsureVisible(this.ActiveAdorner, scrollNow);
Matrix transformFromRoot = activeView.GetComputedTransformFromRoot((SceneElement)grid);
dragStartPosition *= transformFromRoot;
dragCurrentPosition = this.ToolBehaviorContext.SnappingEngine.SnapPoint(dragCurrentPosition);
dragCurrentPosition *= transformFromRoot;
if (lineHeaderAdorner == null || lineHeaderAdorner.Index <= 0)
{
return(false);
}
this.EnsureEditTransaction();
if (lineHeaderAdorner.IsX)
{
if (this.firstLineHeaderDrag)
{
this.effectiveLineHeaderIndex = lineHeaderAdorner.Index;
if (dragCurrentPosition.X < dragStartPosition.X)
{
while (this.effectiveLineHeaderIndex > 1 && grid.GetComputedColumnWidth(this.effectiveLineHeaderIndex - 1) < 1.0 / activeView.Zoom)
{
--this.effectiveLineHeaderIndex;
}
this.firstLineHeaderDrag = false;
}
else if (dragCurrentPosition.X > dragStartPosition.X)
{
while (this.effectiveLineHeaderIndex < grid.ColumnDefinitions.Count - 2 && grid.GetComputedColumnWidth(this.effectiveLineHeaderIndex) < 1.0 / activeView.Zoom)
{
++this.effectiveLineHeaderIndex;
}
this.firstLineHeaderDrag = false;
}
}
if (!this.firstLineHeaderDrag)
{
int num = this.effectiveLineHeaderIndex - 1;
double width = dragCurrentPosition.X - grid.GetComputedPositionOfColumn(num);
gridLayoutDesigner.AdjustColumn(grid, num, width, this.IsShiftDown, !grid.ViewModel.IsInGridDesignMode);
}
}
else
{
if (this.firstLineHeaderDrag)
{
this.effectiveLineHeaderIndex = lineHeaderAdorner.Index;
if (dragCurrentPosition.Y < dragStartPosition.Y)
{
while (this.effectiveLineHeaderIndex > 1 && grid.GetComputedRowHeight(this.effectiveLineHeaderIndex - 1) < 1.0 / activeView.Zoom)
{
--this.effectiveLineHeaderIndex;
}
this.firstLineHeaderDrag = false;
}
else if (dragCurrentPosition.Y > dragStartPosition.Y)
{
while (this.effectiveLineHeaderIndex < grid.RowDefinitions.Count - 2 && grid.GetComputedRowHeight(this.effectiveLineHeaderIndex) < 1.0 / activeView.Zoom)
{
++this.effectiveLineHeaderIndex;
}
this.firstLineHeaderDrag = false;
}
}
if (!this.firstLineHeaderDrag)
{
int row = this.effectiveLineHeaderIndex - 1;
double height = dragCurrentPosition.Y - grid.GetComputedPositionOfRow(row);
gridLayoutDesigner.AdjustRow(grid, row, height, this.IsShiftDown, !grid.ViewModel.IsInGridDesignMode);
}
}
((Adorner)this.ActiveAdorner).AdornerSet.InvalidateRender();
this.UpdateEditTransaction();
return(true);
}
protected override bool OnClickEnd(Point pointerPosition, int clickCount)
{
GridLockAdorner gridLockAdorner = this.ActiveAdorner as GridLockAdorner;
LayoutBackgroundAdorner backgroundAdorner = this.ActiveAdorner as LayoutBackgroundAdorner;
LayoutLineHeaderAdorner lineHeaderAdorner = this.ActiveAdorner as LayoutLineHeaderAdorner;
GridDesignModeAdorner designModeAdorner = this.ActiveAdorner as GridDesignModeAdorner;
NewGridlineAdorner newGridlineAdorner = this.ActiveAdorner as NewGridlineAdorner;
LayoutEmptyBackgroundHeaderAdorner backgroundHeaderAdorner = this.ActiveAdorner as LayoutEmptyBackgroundHeaderAdorner;
GridElement grid = (GridElement)((Adorner)this.ActiveAdorner).Element;
GridLayoutDesigner gridLayoutDesigner = (GridLayoutDesigner)grid.LayoutDesigner;
pointerPosition = this.ToolBehaviorContext.SnappingEngine.SnapPoint(pointerPosition);
Matrix transformFromRoot = this.ActiveView.GetComputedTransformFromRoot((SceneElement)grid);
pointerPosition *= transformFromRoot;
if (backgroundHeaderAdorner == null)
{
if (lineHeaderAdorner != null)
{
((GridRowColumnAdornerSet)lineHeaderAdorner.AdornerSet).DraggingGridline = false;
if (clickCount > 1)
{
if (lineHeaderAdorner.IsX)
{
gridLayoutDesigner.RemoveColumn(grid, lineHeaderAdorner.Index);
}
else
{
gridLayoutDesigner.RemoveRow(grid, lineHeaderAdorner.Index);
}
}
}
else if (gridLockAdorner != null)
{
using (SceneEditTransaction editTransaction = this.ActiveDocument.CreateEditTransaction(StringTable.UndoUnitToggleGridProperty))
{
if (gridLockAdorner.IsX)
{
ColumnDefinitionNode columnDefinitionNode = grid.ColumnDefinitions[gridLockAdorner.Index];
GridLength width = columnDefinitionNode.Width;
if (width.IsAuto)
{
columnDefinitionNode.ClearValue(ColumnDefinitionNode.MinWidthProperty);
gridLayoutDesigner.SetColumnWidthToStar(grid, gridLockAdorner.Index);
}
else if (width.IsAbsolute)
{
gridLayoutDesigner.SetColumnWidth(grid, gridLockAdorner.Index, GridLength.Auto, columnDefinitionNode.ComputedWidth);
}
else
{
gridLayoutDesigner.SetColumnWidth(grid, gridLockAdorner.Index, new GridLength(columnDefinitionNode.ComputedWidth), double.NaN);
}
}
else
{
RowDefinitionNode rowDefinitionNode = grid.RowDefinitions[gridLockAdorner.Index];
GridLength height = rowDefinitionNode.Height;
if (height.IsAuto)
{
rowDefinitionNode.ClearValue(RowDefinitionNode.MinHeightProperty);
gridLayoutDesigner.SetRowHeightToStar(grid, gridLockAdorner.Index);
}
else if (height.IsAbsolute)
{
gridLayoutDesigner.SetRowHeight(grid, gridLockAdorner.Index, GridLength.Auto, rowDefinitionNode.ComputedHeight);
}
else
{
gridLayoutDesigner.SetRowHeight(grid, gridLockAdorner.Index, new GridLength(rowDefinitionNode.ComputedHeight), double.NaN);
}
}
editTransaction.Commit();
}
}
else if (backgroundAdorner != null)
{
if (backgroundAdorner.IsX)
{
GridColumnSelectionSet columnSelectionSet = this.ActiveSceneViewModel.GridColumnSelectionSet;
ColumnDefinitionNode columnDefinitionNode = grid.ColumnDefinitions[backgroundAdorner.Index];
columnSelectionSet.GridLineMode = false;
if (this.IsShiftDown)
{
columnSelectionSet.ToggleSelection(columnDefinitionNode);
}
else
{
columnSelectionSet.SetSelection(columnDefinitionNode);
}
}
else
{
GridRowSelectionSet gridRowSelectionSet = this.ActiveSceneViewModel.GridRowSelectionSet;
RowDefinitionNode rowDefinitionNode = grid.RowDefinitions[backgroundAdorner.Index];
gridRowSelectionSet.GridLineMode = false;
if (this.IsShiftDown)
{
gridRowSelectionSet.ToggleSelection(rowDefinitionNode);
}
else
{
gridRowSelectionSet.SetSelection(rowDefinitionNode);
}
}
}
else if (newGridlineAdorner != null && this.IsNewGridlineEnabled)
{
if (newGridlineAdorner.IsX)
{
gridLayoutDesigner.AddVerticalGridline(grid, pointerPosition.X);
}
else
{
gridLayoutDesigner.AddHorizontalGridline(grid, pointerPosition.Y);
}
}
else if (designModeAdorner != null)
{
grid.ViewModel.IsInGridDesignMode = !designModeAdorner.Grid.ViewModel.IsInGridDesignMode;
}
}
this.ToolBehaviorContext.SnappingEngine.Stop();
this.ActiveView.UpdateLayout();
this.ActiveSceneViewModel.RefreshSelection();
return(base.OnClickEnd(pointerPosition, clickCount));
}
