/// <summary>
/// Pulls one or several elements up one level in hierarchy (z-index).
/// </summary>
/// <param name="elements">list of elements to pull up</param>
public void PullElementsUp(DrawableContainerList elements)
{
for (int i = this.Count - 1; i >= 0; i--)
{
DrawableContainer dc = this[i];
if (elements.Contains(dc))
{
if (Count > (i + 1) && !elements.Contains(this[i + 1]))
{
SwapElements(i, i + 1);
}
}
}
}
/// <summary>
/// Pushes one or several elements down one level in hierarchy (z-index).
/// </summary>
/// <param name="elements">list of elements to push down</param>
public void PushElementsDown(DrawableContainerList elements)
{
for (int i = 0; i < Count; i++)
{
DrawableContainer dc = this[i];
if (elements.Contains(dc))
{
if ((i > 0) && !elements.Contains(this[i - 1]))
{
SwapElements(i, i - 1);
}
}
}
}
/// <summary>
/// Pulls one or several elements up one level in hierarchy (z-index).
/// </summary>
/// <param name="elements">list of elements to pull up</param>
public void PullElementsUp(DrawableContainerList elements)
{
for (int i = Count - 1; i >= 0; i--)
{
var dc = this[i];
if (!elements.Contains(dc))
{
continue;
}
if (Count > i + 1 && !elements.Contains(this[i + 1]))
{
SwapElements(i, i + 1);
}
}
}
/// <summary>
/// Pushes one or several elements down to the bottommost level(s) in hierarchy (z-index).
/// </summary>
/// <param name="elements">of elements to push to bottom</param>
public void PushElementsToBottom(DrawableContainerList elements)
{
DrawableContainer[] dcs = this.ToArray();
for (int i = dcs.Length - 1; i >= 0; i--)
{
DrawableContainer dc = dcs[i];
if (elements.Contains(dc))
{
this.Remove(dc);
this.Insert(0, dc);
}
}
}
/// <summary>
/// Pulls one or several elements up to the topmost level(s) in hierarchy (z-index).
/// </summary>
/// <param name="elements">of elements to pull to top</param>
public void PullElementsToTop(DrawableContainerList elements)
{
DrawableContainer[] dcs = this.ToArray();
for (int i = 0; i < dcs.Length; i++)
{
DrawableContainer dc = dcs[i];
if (elements.Contains(dc))
{
this.Remove(dc);
this.Add(dc);
}
}
}
/// <summary>
/// Pushes one or several elements down to the bottommost level(s) in hierarchy (z-index).
/// </summary>
/// <param name="elements">of elements to push to bottom</param>
public void PushElementsToBottom(DrawableContainerList elements)
{
IDrawableContainer[] dcs = ToArray();
for (int i = dcs.Length - 1; i >= 0; i--)
{
IDrawableContainer dc = dcs[i];
if (elements.Contains(dc))
{
Remove(dc);
Insert(0, dc);
Parent.Modified = true;
}
}
}
/// <summary>
/// Pulls one or several elements up to the topmost level(s) in hierarchy (z-index).
/// </summary>
/// <param name="elements">of elements to pull to top</param>
public void PullElementsToTop(DrawableContainerList elements)
{
IDrawableContainer[] dcs = ToArray();
for (int i = 0; i < dcs.Length; i++)
{
IDrawableContainer dc = dcs[i];
if (elements.Contains(dc))
{
Remove(dc);
Add(dc);
Parent.Modified = true;
}
}
}
void SurfaceMouseUp(object sender, MouseEventArgs e)
{
mouseDown = false;
mouseDownElement = null;
if (DrawingMode == DrawingModes.None) // check whether an existing element was clicked
{
DrawableContainer element = elements.ClickableElementAt(e.X, e.Y);
bool shiftModifier = (Control.ModifierKeys & Keys.Shift) == Keys.Shift;
if (element != null)
{
bool alreadySelected = selectedElements.Contains(element);
if (shiftModifier)
{
if (alreadySelected)
{
DeselectElement(element);
}
else
{
SelectElement(element);
}
}
else
{
if (!alreadySelected)
{
DeselectAllElements();
SelectElement(element);
}
}
}
else if (!shiftModifier)
{
DeselectAllElements();
}
}
if (selectedElements.Count > 0)
{
selectedElements.ShowGrippers();
selectedElements.Selected = true;
}
if (drawingElement != null)
{
if (!drawingElement.InitContent())
{
elements.Remove(drawingElement);
Invalidate();
}
else
{
if (Math.Abs(drawingElement.Width) < 5 && Math.Abs(drawingElement.Height) < 5)
{
drawingElement.Width = 25;
drawingElement.Height = 25;
}
SelectElement(drawingElement);
drawingElement.Selected = true;
}
drawingElement = null;
}
Invalidate();
}
