/// <summary>
/// This method sets the child up to be a child of this container.
/// </summary>
/// <param name="child">The child to setup.</param>
private void setChildProperties(MDIContainerBase child)
{
child.SuppressLayout = true;
child.CurrentDockLocation = CurrentDockLocation;
child.Visible = visible;
child.setAlpha(alpha);
child._setParent(this);
child._ParentContainer = this;
child.SuppressLayout = false;
}
protected override void separator_MouseButtonPressed(Widget source, EventArgs e)
{
int sepIndex = separatorWidgets.IndexOf(source);
//ignore the last separator and do not allow the drag to happen if it is clicked.
if (sepIndex != separatorWidgets.Count - 1)
{
dragLastPosition = ((MouseEventArgs)e).Position;
dragLowChild = parentContainer.getChild(sepIndex);
dragHighChild = parentContainer.getChild(sepIndex + 1);
dragTotalSize = dragLowChild.ActualSize + dragHighChild.ActualSize;
}
}
/// <summary>
/// Swap one MDIContainerBase for another in the child list. The
/// oldChild will be removed from the list.
/// </summary>
/// <param name="newChild">The child to add.</param>
/// <param name="oldChild">The child to replace.</param>
internal override void swapAndRemove(MDIContainerBase newChild, MDIContainerBase oldChild)
{
int index = children.IndexOf(oldChild);
if (index == -1)
{
throw new MDIException("Attempted to swap a MDIWindow with a old child window that does not exist in this collection.");
}
setChildProperties(newChild);
children.Insert(index, newChild);
children.Remove(oldChild);
newChild.Scale = oldChild.Scale;
}
private MDIWindow findWindowPositionImpl(float mouseX, float mouseY, MDIContainerBase container)
{
float left = container.Location.x;
float top = container.Location.y;
float right = left + container.WorkingSize.Width;
float bottom = top + container.WorkingSize.Height;
if (mouseX > left && mouseX < right &&
mouseY > top && mouseY < bottom)
{
return(container.findWindowAtPosition(mouseX, mouseY));
}
return(null);
}
protected override void separator_MouseButtonPressed(Widget source, EventArgs e)
{
int sepIndex = separatorWidgets.IndexOf(source);
//ignore the last separator and do not allow the drag to happen if it is clicked.
if (sepIndex != separatorWidgets.Count - 1)
{
dragStartPosition = ((MouseEventArgs)e).Position - parentContainer.Location;
dragLowChild = parentContainer.getChild(sepIndex);
dragLowScaleStart = dragLowChild.Scale;
dragHighChild = parentContainer.getChild(sepIndex + 1);
dragHighScaleStart = dragHighChild.Scale;
dragTotalScale = dragLowScaleStart + dragHighScaleStart;
dragScaleArea = (IntSize2)(dragTotalScale / parentContainer.TotalScale * parentContainer.WorkingSize);
}
}
void separator_MouseDrag(Widget source, EventArgs e)
{
if (layoutContainer.ChildCount > 0)
{
MouseEventArgs me = (MouseEventArgs)e;
switch (CurrentDockLocation)
{
case DockLocation.Left:
MDIContainerBase child = layoutContainer.getChild(layoutContainer.ChildCount - 1);
IntSize2 actualSize = child.ActualSize;
actualSize.Width = me.Position.x - child.Location.x;
child.ActualSize = actualSize;
break;
case DockLocation.Right:
child = layoutContainer.getChild(0);
actualSize = child.ActualSize;
actualSize.Width = (child.Location.x + actualSize.Width) - me.Position.x;
child.ActualSize = actualSize;
break;
case DockLocation.Top:
child = layoutContainer.getChild(layoutContainer.ChildCount - 1);
actualSize = child.ActualSize;
actualSize.Height = me.Position.y - child.Location.y;
child.ActualSize = actualSize;
break;
case DockLocation.Bottom:
child = layoutContainer.getChild(0);
actualSize = child.ActualSize;
actualSize.Height = (child.Location.y + actualSize.Height) - me.Position.y;
child.ActualSize = actualSize;
break;
}
invalidate();
}
}
protected override void separator_MouseButtonReleased(Widget source, EventArgs e)
{
dragLowChild = null;
dragHighChild = null;
}
internal override void promoteChild(MDIContainerBase mdiContainerBase, MDILayoutContainer mdiLayoutContainer)
{
throw new NotSupportedException();
}
internal override void swapAndRemove(MDIContainerBase newChild, MDIContainerBase oldChild)
{
throw new NotSupportedException();
}
internal override void promoteChild(MDIContainerBase mdiContainerBase, MDILayoutContainer mdiLayoutContainer)
{
layoutContainer.promoteChild(mdiContainerBase, mdiLayoutContainer);
}
internal override void swapAndRemove(MDIContainerBase newChild, MDIContainerBase oldChild)
{
layoutContainer.swapAndRemove(newChild, oldChild);
}
/// <summary>
/// This is a helper method to promote a child to a parent container. It
/// will swap the child with the formerParent's location and then
/// dispose the formerParent.
/// </summary>
/// <param name="child">The child to promote.</param>
/// <param name="formerParent">The former parent of child that will be replaced.</param>
internal override void promoteChild(MDIContainerBase child, MDILayoutContainer formerParent)
{
swapAndRemove(child, formerParent);
formerParent.Dispose();
invalidate();
}
internal abstract void promoteChild(MDIContainerBase mdiContainerBase, MDILayoutContainer mdiLayoutContainer);
internal abstract void swapAndRemove(MDIContainerBase newChild, MDIContainerBase oldChild);