public static BaseShape TryToHover(IToolContext context, SelectionMode mode, SelectionTargets targets, Point2 target, double radius)
{
var shapePoint =
mode.HasFlag(SelectionMode.Point) &&
targets.HasFlag(SelectionTargets.Shapes) ?
context.HitTest?.TryToGetPoint(context.CurrentContainer.Shapes, target, radius, null) : null;
var shape =
mode.HasFlag(SelectionMode.Shape) &&
targets.HasFlag(SelectionTargets.Shapes) ?
context.HitTest?.TryToGetShape(context.CurrentContainer.Shapes, target, radius) : null;
var guidePoint =
mode.HasFlag(SelectionMode.Point) &&
targets.HasFlag(SelectionTargets.Guides) ?
context.HitTest?.TryToGetPoint(context.CurrentContainer.Guides, target, radius, null) : null;
var guide =
mode.HasFlag(SelectionMode.Shape) &&
targets.HasFlag(SelectionTargets.Guides) ?
context.HitTest?.TryToGetShape(context.CurrentContainer.Guides, target, radius) : null;
if (shapePoint != null || shape != null || guide != null)
{
if (shapePoint != null)
{
Log.Info($"Hover Shape Point: {shapePoint.GetType()}");
return(shapePoint);
}
else if (shape != null)
{
Log.Info($"Hover Shape: {shape.GetType()}");
return(shape);
}
else if (guidePoint != null)
{
Log.Info($"Hover Guide Point: {guidePoint.GetType()}");
return(guidePoint);
}
else if (guide != null)
{
Log.Info($"Hover Guide: {guide.GetType()}");
return(guide);
}
}
Log.Info("No Hover");
return(null);
}
private void SetSelection(object[] items, LiteRow[] rows, LiteColumn[] columns, UIElement[] cells)
{
if (_configuringSelection)
{
return;
}
_configuringSelection = true;
items = items ?? new object[0];
rows = rows ?? new LiteRow[0];
columns = columns ?? new LiteColumn[0];
cells = cells ?? new UIElement[0];
cells = cells
.Concat(rows.SelectMany(r => r.Cells))
.Concat(columns.SelectMany(c => c.Cells))
.Concat(_rows.Where(r => items.Contains(r.Item)).SelectMany(r => r.Cells))
.Distinct()
.ToArray();
rows = rows
.Concat(cells.Select(LiteRow.GetRow))
.Distinct()
.ToArray();
columns = columns
.Concat(cells.Select(LiteColumn.GetColumn))
.Distinct()
.ToArray();
var selection = new List <DependencyObject>();
if (SelectionMode.HasFlag(DataGridLiteSelectionMode.SingleCell))
{
selection.AddRange(cells.Take(1));
}
if (SelectionMode.HasFlag(DataGridLiteSelectionMode.MultiCell))
{
selection.AddRange(cells);
}
if (SelectionMode.HasFlag(DataGridLiteSelectionMode.SingleRow))
{
selection.AddRange(rows.Take(1));
}
if (SelectionMode.HasFlag(DataGridLiteSelectionMode.MultiRow))
{
selection.AddRange(rows);
}
if (SelectionMode.HasFlag(DataGridLiteSelectionMode.SingleColumn))
{
selection.AddRange(columns.Take(1));
}
if (SelectionMode.HasFlag(DataGridLiteSelectionMode.MultiColumn))
{
selection.AddRange(columns);
}
selection = selection.Distinct().ToList();
// Sync all selection types
SelectedCells = selection.OfType <UIElement>().Where(s => cells.Contains(s)).ToArray();
SelectedRows = selection.OfType <LiteRow>().ToArray();
SelectedColumns = selection.OfType <LiteColumn>().ToArray();
SelectedItems = selection.OfType <LiteRow>()
.Concat(SelectedCells.Select(LiteRow.GetRow))
.Select(r => r.Item)
.ToArray();
SelectedItem = SelectedItems.FirstOrDefault();
var selected = selection.Concat(SelectedItems.OfType <DependencyObject>()).ToList();
selected.ForEach(i => SetIsSelected(i, true));
var deselected = Items.OfType <DependencyObject>()
.Concat(_cells)
.Concat(_rows)
.Concat(_columns)
.Where(i => !selected.Contains(i))
.ToList();
deselected.ForEach(i => SetIsSelected(i, false));
_configuringSelection = false;
}
public static bool TryToSelect(IToolContext context, SelectionMode mode, SelectionTargets targets, Modifier selectionModifier, Point2 point, double radius, Modifier modifier)
{
var shapePoint =
mode.HasFlag(SelectionMode.Point) &&
targets.HasFlag(SelectionTargets.Shapes) ?
context.HitTest?.TryToGetPoint(context.CurrentContainer.Shapes, point, radius, null) : null;
var shape =
mode.HasFlag(SelectionMode.Shape) &&
targets.HasFlag(SelectionTargets.Shapes) ?
context.HitTest?.TryToGetShape(context.CurrentContainer.Shapes, point, radius) : null;
var guidePoint =
mode.HasFlag(SelectionMode.Point) &&
targets.HasFlag(SelectionTargets.Guides) ?
context.HitTest?.TryToGetPoint(context.CurrentContainer.Guides, point, radius, null) : null;
var guide =
mode.HasFlag(SelectionMode.Shape) &&
targets.HasFlag(SelectionTargets.Guides) ?
context.HitTest?.TryToGetShape(context.CurrentContainer.Guides, point, radius) : null;
if (shapePoint != null || shape != null || guidePoint != null || guide != null)
{
bool haveNewSelection =
(shapePoint != null && !context.Renderer.SelectedShapes.Contains(shapePoint)) ||
(shape != null && !context.Renderer.SelectedShapes.Contains(shape)) ||
(guidePoint != null && !context.Renderer.SelectedShapes.Contains(guidePoint)) ||
(guide != null && !context.Renderer.SelectedShapes.Contains(guide));
if (context.Renderer.SelectedShapes.Count >= 1 &&
!haveNewSelection &&
!modifier.HasFlag(selectionModifier))
{
return(true);
}
else
{
if (shapePoint != null)
{
if (modifier.HasFlag(selectionModifier))
{
if (context.Renderer.SelectedShapes.Contains(shapePoint))
{
Log.Info($"Deselected Shape Point: {shapePoint.GetType()}");
shapePoint.Deselect(context.Renderer);
}
else
{
Log.Info($"Selected Shape Point: {shapePoint.GetType()}");
shapePoint.Select(context.Renderer);
}
return(context.Renderer.SelectedShapes.Count > 0);
}
else
{
context.Renderer.SelectedShapes.Clear();
Log.Info($"Selected Shape Point: {shapePoint.GetType()}");
shapePoint.Select(context.Renderer);
return(true);
}
}
else if (shape != null)
{
if (modifier.HasFlag(selectionModifier))
{
if (context.Renderer.SelectedShapes.Contains(shape))
{
Log.Info($"Deselected Shape: {shape.GetType()}");
shape.Deselect(context.Renderer);
}
else
{
Log.Info($"Selected Shape: {shape.GetType()}");
shape.Select(context.Renderer);
}
return(context.Renderer.SelectedShapes.Count > 0);
}
else
{
context.Renderer.SelectedShapes.Clear();
Log.Info($"Selected Shape: {shape.GetType()}");
shape.Select(context.Renderer);
return(true);
}
}
else if (guidePoint != null)
{
if (modifier.HasFlag(selectionModifier))
{
if (context.Renderer.SelectedShapes.Contains(guidePoint))
{
Log.Info($"Deselected Guide Point: {guidePoint.GetType()}");
guidePoint.Deselect(context.Renderer);
}
else
{
Log.Info($"Selected Guide Point: {guidePoint.GetType()}");
guidePoint.Select(context.Renderer);
}
return(context.Renderer.SelectedShapes.Count > 0);
}
else
{
context.Renderer.SelectedShapes.Clear();
Log.Info($"Selected Guide Point: {guidePoint.GetType()}");
guidePoint.Select(context.Renderer);
return(true);
}
}
else if (guide != null)
{
if (modifier.HasFlag(selectionModifier))
{
if (context.Renderer.SelectedShapes.Contains(guide))
{
Log.Info($"Deselected Guide: {guide.GetType()}");
guide.Deselect(context.Renderer);
}
else
{
Log.Info($"Selected Guide: {guide.GetType()}");
guide.Select(context.Renderer);
}
return(context.Renderer.SelectedShapes.Count > 0);
}
else
{
context.Renderer.SelectedShapes.Clear();
Log.Info($"Selected Guide: {guide.GetType()}");
guide.Select(context.Renderer);
return(true);
}
}
}
}
return(false);
}
public static bool TryToSelect(IToolContext context, SelectionMode mode, SelectionTargets targets, Modifier selectionModifier, Rect2 rect, double radius, Modifier modifier)
{
var shapes =
mode.HasFlag(SelectionMode.Shape) &&
targets.HasFlag(SelectionTargets.Shapes) ?
context.HitTest?.TryToGetShapes(context.CurrentContainer.Shapes, rect, radius) : null;
var guides =
mode.HasFlag(SelectionMode.Shape) &&
targets.HasFlag(SelectionTargets.Guides) ?
context.HitTest?.TryToGetShapes(context.CurrentContainer.Guides, rect, radius) : null;
if (shapes != null || guides != null)
{
if (shapes != null)
{
if (modifier.HasFlag(selectionModifier))
{
foreach (var shape in shapes)
{
if (context.Renderer.SelectedShapes.Contains(shape))
{
Log.Info($"Deselected Shape: {shape.GetType()}");
shape.Deselect(context.Renderer);
}
else
{
Log.Info($"Selected Shape: {shape.GetType()}");
shape.Select(context.Renderer);
}
}
return(context.Renderer.SelectedShapes.Count > 0);
}
else
{
Log.Info($"Selected Shapes: {shapes?.Count ?? 0}");
context.Renderer.SelectedShapes.Clear();
foreach (var shape in shapes)
{
shape.Select(context.Renderer);
}
return(true);
}
}
else if (guides != null)
{
if (modifier.HasFlag(selectionModifier))
{
foreach (var guide in guides)
{
if (context.Renderer.SelectedShapes.Contains(guide))
{
Log.Info($"Deselected Guide: {guide.GetType()}");
guide.Deselect(context.Renderer);
}
else
{
Log.Info($"Selected Guide: {guide.GetType()}");
guide.Select(context.Renderer);
}
}
return(context.Renderer.SelectedShapes.Count > 0);
}
else
{
Log.Info($"Selected Guides: {guides?.Count ?? 0}");
context.Renderer.SelectedShapes.Clear();
foreach (var guide in guides)
{
guide.Select(context.Renderer);
}
return(true);
}
}
}
return(false);
}
