public override bool UpdateLayout(LayoutingType layoutType)
{
GenericStack gs = Parent as GenericStack;
if (layoutType == LayoutingType.Width)
{
if (gs.Orientation == Orientation.Horizontal)
{
Width = thickness;
}
else
{
Width = Measure.Stretched;
}
}
else if (layoutType == LayoutingType.Height)
{
if (gs.Orientation == Orientation.Vertical)
{
Height = thickness;
}
else
{
Height = Measure.Stretched;
}
}
return(base.UpdateLayout(layoutType));
}
public override void onMouseUp(object sender, MouseButtonEventArgs e)
{
base.onMouseUp(sender, e);
GenericStack gs = Parent as GenericStack;
if (init1 >= 0 && u1 == Unit.Percent)
{
if (gs.Orientation == Orientation.Horizontal)
{
go1.Width = new Measure((int)Math.Ceiling(
go1.Width.Value * 100.0 / (double)gs.Slot.Width), Unit.Percent);
}
else
{
go1.Height = new Measure((int)Math.Ceiling(
go1.Height.Value * 100.0 / (double)gs.Slot.Height), Unit.Percent);
}
}
if (init2 >= 0 && u2 == Unit.Percent)
{
if (gs.Orientation == Orientation.Horizontal)
{
go2.Width = new Measure((int)Math.Floor(
go2.Width.Value * 100.0 / (double)gs.Slot.Width), Unit.Percent);
}
else
{
go2.Height = new Measure((int)Math.Floor(
go2.Height.Value * 100.0 / (double)gs.Slot.Height), Unit.Percent);
}
}
}
protected override void loadTemplate(GraphicObject template = null)
{
base.loadTemplate(template);
_list = this.child.FindByName("List") as Group;
if (_list == null)
{
throw new Exception("ListBox Template MUST contain a Goup widget named 'List'.");
}
_gsList = _list as GenericStack;
}
public override void onMouseDown(object sender, MouseButtonEventArgs e)
{
base.onMouseDown(sender, e);
go1 = go2 = null;
init1 = init2 = -1;
delta = 0;
GenericStack gs = Parent as GenericStack;
int ptrSplit = gs.Children.IndexOf(this);
if (ptrSplit == 0 || ptrSplit == gs.Children.Count - 1)
{
return;
}
go1 = gs.Children [ptrSplit - 1];
go2 = gs.Children [ptrSplit + 1];
if (gs.Orientation == Orientation.Horizontal)
{
initSplit(go1.Width, go1.Slot.Width, go2.Width, go2.Slot.Width);
min1 = go1.MinimumSize.Width;
min2 = go2.MinimumSize.Width;
max1 = go1.MaximumSize.Width;
max2 = go2.MaximumSize.Width;
if (init1 >= 0)
{
go1.Width = init1;
}
if (init2 >= 0)
{
go2.Width = init2;
}
}
else
{
initSplit(go1.Height, go1.Slot.Height, go2.Height, go2.Slot.Height);
min1 = go1.MinimumSize.Height;
min2 = go2.MinimumSize.Height;
max1 = go1.MaximumSize.Height;
max2 = go2.MaximumSize.Height;
if (init1 >= 0)
{
go1.Height = init1;
}
if (init2 >= 0)
{
go2.Height = init2;
}
}
}
public override void onMouseMove(object sender, MouseMoveEventArgs e)
{
base.onMouseMove(sender, e);
if (!IsActive)
{
return;
}
GenericStack gs = Parent as GenericStack;
int newDelta = delta, size1 = init1, size2 = init2;
if (gs.Orientation == Orientation.Horizontal)
{
newDelta -= e.XDelta;
if (size1 < 0)
{
size1 = go1.Slot.Width + delta;
}
if (size2 < 0)
{
size2 = go2.Slot.Width - delta;
}
}
else
{
newDelta -= e.YDelta;
if (size1 < 0)
{
size1 = go1.Slot.Height + delta;
}
if (size2 < 0)
{
size2 = go2.Slot.Height - delta;
}
}
if (size1 - newDelta < min1 || (max1 > 0 && size1 - newDelta > max1) ||
size2 + newDelta < min2 || (max2 > 0 && size2 + newDelta > max2))
{
return;
}
delta = newDelta;
if (gs.Orientation == Orientation.Horizontal)
{
if (init1 >= 0)
{
go1.Width = init1 - delta;
}
if (init2 >= 0)
{
go2.Width = init2 + delta;
}
}
else
{
if (init1 >= 0)
{
go1.Height = init1 - delta;
}
if (init2 >= 0)
{
go2.Height = init2 + delta;
}
}
}
void loadPage(int pageNum)
{
#if DEBUG_LOAD
Stopwatch loadingTime = new Stopwatch();
loadingTime.Start();
#endif
Group page;
if (typeof(Wrapper).IsAssignableFrom(items.GetType()))
{
page = items;
itemPerPage = int.MaxValue;
}
else if (typeof(GenericStack).IsAssignableFrom(items.GetType()))
{
GenericStack gs = new GenericStack();
gs.CurrentInterface = items.CurrentInterface;
gs.Initialize();
gs.Orientation = (items as GenericStack).Orientation;
gs.Width = items.Width;
gs.Height = items.Height;
gs.VerticalAlignment = items.VerticalAlignment;
gs.HorizontalAlignment = items.HorizontalAlignment;
page = gs;
page.Name = "page" + pageNum;
isPaged = true;
}
else
{
page = Activator.CreateInstance(items.GetType()) as Group;
page.Name = "page" + pageNum;
isPaged = true;
}
for (int i = (pageNum - 1) * itemPerPage; i < pageNum * itemPerPage; i++)
{
if (i >= data.Count)
{
break;
}
if (cancelLoading)
{
return;
}
loadItem(i, page);
}
if (page == items)
{
return;
}
lock (CurrentInterface.LayoutMutex)
items.AddChild(page);
#if DEBUG_LOAD
loadingTime.Stop();
Debug.WriteLine("Listbox {2} Loading: {0} ticks \t, {1} ms",
loadingTime.ElapsedTicks,
loadingTime.ElapsedMilliseconds, this.ToString());
#endif
}
void loadPage(int pageNum)
{
#if DEBUG_LOAD
Stopwatch loadingTime = new Stopwatch ();
loadingTime.Start ();
#endif
Group page;
if (typeof(Wrapper).IsAssignableFrom (items.GetType ())){
page = items;
itemPerPage = int.MaxValue;
}else if (typeof(GenericStack).IsAssignableFrom (items.GetType ())) {
GenericStack gs = new GenericStack ();
gs.CurrentInterface = items.CurrentInterface;
gs.initialize ();
gs.Orientation = (items as GenericStack).Orientation;
gs.Width = items.Width;
gs.Height = items.Height;
gs.VerticalAlignment = items.VerticalAlignment;
gs.HorizontalAlignment = items.HorizontalAlignment;
page = gs;
}else
page = Activator.CreateInstance (items.GetType ()) as Group;
page.Name = "page" + pageNum;
for (int i = (pageNum - 1) * itemPerPage; i < pageNum * itemPerPage; i++) {
if (i >= data.Count)
break;
if (cancelLoading)
return;
loadItem (i, page);
}
if (page == items)
return;
lock (CurrentInterface.LayoutMutex)
items.AddChild (page);
#if DEBUG_LOAD
loadingTime.Stop ();
Debug.WriteLine("Listbox {2} Loading: {0} ticks \t, {1} ms",
loadingTime.ElapsedTicks,
loadingTime.ElapsedMilliseconds, this.ToString());
#endif
}
public override void onMouseMove(object sender, MouseMoveEventArgs e)
{
base.onMouseMove(sender, e);
if (!IsActive)
{
return;
}
GenericStack gs = Parent as GenericStack;
int ptrSplit = gs.Children.IndexOf(this);
if (ptrSplit == 0 || ptrSplit == gs.Children.Count - 1)
{
return;
}
if (gs.Orientation == Orientation.Horizontal)
{
if ((gs.Children [ptrSplit - 1].Width + e.XDelta <
gs.Children [ptrSplit - 1].MinimumSize.Width) ||
(gs.Children [ptrSplit + 1].Width - e.XDelta <
gs.Children [ptrSplit + 1].MinimumSize.Width))
{
return;
}
if (!gs.Children [ptrSplit - 1].Width.IsFixed)
{
gs.Children [ptrSplit - 1].Width = gs.Children [ptrSplit - 1].Slot.Width;
}
if (!gs.Children [ptrSplit + 1].Width.IsFixed)
{
gs.Children [ptrSplit + 1].Width = gs.Children [ptrSplit + 1].Slot.Width;
}
gs.Children [ptrSplit - 1].Width = gs.Children [ptrSplit - 1].Width + e.XDelta;
gs.Children [ptrSplit + 1].Width = gs.Children [ptrSplit + 1].Width - e.XDelta;
}
else
{
if ((gs.Children [ptrSplit - 1].Height + e.YDelta <
gs.Children [ptrSplit - 1].MinimumSize.Height) ||
(gs.Children [ptrSplit + 1].Height - e.YDelta <
gs.Children [ptrSplit + 1].MinimumSize.Height))
{
return;
}
if (!gs.Children [ptrSplit - 1].Height.IsFixed)
{
gs.Children [ptrSplit - 1].Height = gs.Children [ptrSplit - 1].Slot.Height;
}
if (!gs.Children [ptrSplit + 1].Height.IsFixed)
{
gs.Children [ptrSplit + 1].Height = gs.Children [ptrSplit + 1].Slot.Height;
}
gs.Children [ptrSplit - 1].Height = gs.Children [ptrSplit - 1].Height + e.YDelta;
gs.Children [ptrSplit + 1].Height = gs.Children [ptrSplit + 1].Height - e.YDelta;
}
}
