public override void Update()
{
base.Update();
this.selectionMode = (StackViewItemSelectionMode)this.itemLayout.GetValue(RadPageViewStackElement.ItemSelectionModeProperty);
this.position = (StackViewPosition)this.itemLayout.GetValue(RadPageViewStackElement.StackPositionProperty);
}
internal RectangleF GetContentWithSelectedContentRectangle(PageViewItemSizeInfo item, RectangleF clientRect)
{
PageViewItemSizeInfo selectedItem = item;
if (selectedItem == null)
{
return(clientRect);
}
RectangleF contentRectangle = Rectangle.Empty;
SizeF contentAreaSize = this.GetContentSizeForItem(item, clientRect);//this.GetAvailableSizeForContent(clientRect);
StackViewPosition position = this.layoutInfo.position;
switch (position)
{
case StackViewPosition.Bottom:
contentRectangle = this.GetTopBottomContentWithSelectedRectangle(false, selectedItem, contentAreaSize, clientRect);
break;
case StackViewPosition.Top:
contentRectangle = this.GetTopBottomContentWithSelectedRectangle(true, selectedItem, contentAreaSize, clientRect);
break;
case StackViewPosition.Right:
contentRectangle = this.GetLeftRightContentWithSelectedRectangle(false, selectedItem, contentAreaSize, clientRect);
break;
case StackViewPosition.Left:
contentRectangle = this.GetLeftRightContentWithSelectedRectangle(true, selectedItem, contentAreaSize, clientRect);
break;
}
return(contentRectangle);
}
public override bool GetIsVertical()
{
RadPageViewStackElement stackElement = this.itemLayout as RadPageViewStackElement;
StackViewPosition stackPosition = stackElement.StackPosition;
return(stackPosition == StackViewPosition.Top || stackPosition == StackViewPosition.Bottom);
}
public override bool GetIsVertical()
{
StackViewPosition stackPosition = (this.itemLayout as RadPageViewStackElement).StackPosition;
if (stackPosition != StackViewPosition.Top)
{
return(stackPosition == StackViewPosition.Bottom);
}
return(true);
}
private void SetInitialScrollbarParameters(StackViewPosition stackPosition)
{
bool isTopBottom = stackPosition == StackViewPosition.Top ||
stackPosition == StackViewPosition.Bottom;
this.scrollbar.ScrollType = isTopBottom ? ScrollType.Vertical : ScrollType.Horizontal;
this.scrollbar.Visibility = ElementVisibility.Visible;
this.ResetLayoutOffset(true);
this.InvalidateMeasure();
}
protected override SizeF MeasureItems(SizeF availableSize)
{
SizeF desiredSize = SizeF.Empty;
this.layoutInfo = this.CreateLayoutInfo(availableSize);
StackViewPosition stackPosition = this.layoutInfo.position;
switch (stackPosition)
{
case StackViewPosition.Bottom:
case StackViewPosition.Top:
this.ApplyItemMetricsHorizontal();
break;
case StackViewPosition.Left:
case StackViewPosition.Right:
this.ApplyItemMetricsVertical();
break;
}
this.MeasureItemsCore();
if (stackPosition == StackViewPosition.Top || stackPosition == StackViewPosition.Bottom)
{
availableSize.Height -= layoutInfo.layoutLength;
desiredSize.Height = layoutInfo.layoutLength;
desiredSize.Width = layoutInfo.maxWidth;
}
else
{
availableSize.Width -= layoutInfo.layoutLength;
desiredSize.Width = layoutInfo.layoutLength;
desiredSize.Height = layoutInfo.maxHeight;
}
SizeF contentAreaDesiredSize = MeasureContentArea(ref availableSize);
if (stackPosition == StackViewPosition.Top || stackPosition == StackViewPosition.Bottom)
{
desiredSize.Height += contentAreaDesiredSize.Height;
desiredSize.Width = Math.Max(desiredSize.Width, contentAreaDesiredSize.Width);
}
else
{
desiredSize.Width += contentAreaDesiredSize.Width;
desiredSize.Height = Math.Max(desiredSize.Height, contentAreaDesiredSize.Height);
}
return(desiredSize);
}
protected internal override bool IsPreviousKey(System.Windows.Forms.Keys key)
{
StackViewPosition position = this.layoutInfo.position;
switch (position)
{
case StackViewPosition.Top:
return(key == System.Windows.Forms.Keys.Down);
case StackViewPosition.Left:
return(key == System.Windows.Forms.Keys.Right);
}
return(base.IsPreviousKey(key));
}
private void MeasureItemsCore()
{
StackViewPosition position = this.layoutInfo.position;
int integralItemSpacing = this.layoutInfo.itemSpacing * (this.layoutInfo.itemCount - 1);
this.layoutInfo.layoutLength += integralItemSpacing;
foreach (PageViewItemSizeInfo info in this.layoutInfo.items)
{
System.Windows.Forms.Padding itemMargin = this.GetItemMargin(info);
if (info.layoutSize != info.desiredSize)
{
SizeF availableSize = info.layoutSize;
info.item.Measure(availableSize);
if (this.Owner == null)
{
SizeF desiredSize = info.item.DesiredSize;
if ((position == StackViewPosition.Top || position == StackViewPosition.Bottom) &&
info.item.StretchHorizontally && !float.IsInfinity(info.layoutSize.Width))
{
desiredSize.Width = info.layoutSize.Width;
}
if ((position == StackViewPosition.Left || position == StackViewPosition.Right) &&
info.item.StretchVertically && !float.IsInfinity(info.layoutSize.Height))
{
desiredSize.Height = info.layoutSize.Height;
}
info.desiredSize = desiredSize;
}
else
{
info.desiredSize = info.layoutSize;
}
}
switch (position)
{
case StackViewPosition.Top:
case StackViewPosition.Bottom:
this.layoutInfo.layoutLength += (info.desiredSize.Height + itemMargin.Vertical);
break;
case StackViewPosition.Left:
case StackViewPosition.Right:
this.layoutInfo.layoutLength += (info.desiredSize.Width + itemMargin.Horizontal);
break;
}
}
}
protected internal override PageViewContentOrientation GetAutomaticItemOrientation(bool content)
{
StackViewPosition stackPosition = this.StackPosition;
switch (stackPosition)
{
case StackViewPosition.Left:
return(PageViewContentOrientation.Vertical270);
case StackViewPosition.Right:
return(PageViewContentOrientation.Vertical90);
default:
return(PageViewContentOrientation.Horizontal);
}
}
private void MeasureItemsCore()
{
StackViewPosition position = this.layoutInfo.position;
this.layoutInfo.layoutLength += (float)(this.layoutInfo.itemSpacing * (this.layoutInfo.itemCount - 1));
foreach (PageViewItemSizeInfo viewItemSizeInfo in this.layoutInfo.items)
{
Padding itemMargin = this.GetItemMargin(viewItemSizeInfo);
if (viewItemSizeInfo.layoutSize != viewItemSizeInfo.desiredSize)
{
SizeF layoutSize = viewItemSizeInfo.layoutSize;
viewItemSizeInfo.item.Measure(layoutSize);
if (this.Owner == null)
{
SizeF desiredSize = viewItemSizeInfo.item.DesiredSize;
if ((position == StackViewPosition.Top || position == StackViewPosition.Bottom) && (viewItemSizeInfo.item.StretchHorizontally && !float.IsInfinity(viewItemSizeInfo.layoutSize.Width)))
{
desiredSize.Width = viewItemSizeInfo.layoutSize.Width;
}
if ((position == StackViewPosition.Left || position == StackViewPosition.Right) && (viewItemSizeInfo.item.StretchVertically && !float.IsInfinity(viewItemSizeInfo.layoutSize.Height)))
{
desiredSize.Height = viewItemSizeInfo.layoutSize.Height;
}
viewItemSizeInfo.desiredSize = desiredSize;
}
else
{
viewItemSizeInfo.desiredSize = viewItemSizeInfo.layoutSize;
}
}
switch (position)
{
case StackViewPosition.Left:
case StackViewPosition.Right:
this.layoutInfo.layoutLength += viewItemSizeInfo.desiredSize.Width + (float)itemMargin.Horizontal;
continue;
case StackViewPosition.Top:
case StackViewPosition.Bottom:
this.layoutInfo.layoutLength += viewItemSizeInfo.desiredSize.Height + (float)itemMargin.Vertical;
continue;
default:
continue;
}
}
}
protected override SizeF MeasureItems(SizeF availableSize)
{
SizeF empty = SizeF.Empty;
this.layoutInfo = this.CreateLayoutInfo(availableSize);
StackViewPosition position = this.layoutInfo.position;
switch (position)
{
case StackViewPosition.Left:
case StackViewPosition.Right:
this.ApplyItemMetricsVertical();
break;
case StackViewPosition.Top:
case StackViewPosition.Bottom:
this.ApplyItemMetricsHorizontal();
break;
}
this.MeasureItemsCore();
if (position == StackViewPosition.Top || position == StackViewPosition.Bottom)
{
availableSize.Height -= this.layoutInfo.layoutLength;
empty.Height = this.layoutInfo.layoutLength;
empty.Width = this.layoutInfo.maxWidth;
}
else
{
availableSize.Width -= this.layoutInfo.layoutLength;
empty.Width = this.layoutInfo.layoutLength;
empty.Height = this.layoutInfo.maxHeight;
}
SizeF sizeF = this.MeasureContentArea(ref availableSize);
if (position == StackViewPosition.Top || position == StackViewPosition.Bottom)
{
empty.Height += sizeF.Height;
empty.Width = Math.Max(empty.Width, sizeF.Width);
}
else
{
empty.Width += sizeF.Width;
empty.Height = Math.Max(empty.Height, sizeF.Height);
}
return(empty);
}
private PointF GetItemLocation(ref float currentItemOffset, PageViewItemSizeInfo item, RectangleF clientRect)
{
PointF itemLocation = PointF.Empty;
System.Windows.Forms.Padding itemMargin = this.GetItemMargin(item);
SizeF itemSize = item.desiredSize;
StackViewPosition position = this.layoutInfo.position;
switch (position)
{
case StackViewPosition.Bottom:
currentItemOffset += itemSize.Height + itemMargin.Bottom;
itemLocation = new PointF(
clientRect.X + itemMargin.Left,
clientRect.Bottom - currentItemOffset);
currentItemOffset += itemMargin.Top;
break;
case StackViewPosition.Left:
currentItemOffset += itemMargin.Left;
itemLocation = new PointF(
clientRect.X + currentItemOffset,
clientRect.Y + (this.Owner == null ? 0 : itemMargin.Top));
currentItemOffset += itemMargin.Right + itemSize.Width;
break;
case StackViewPosition.Top:
currentItemOffset += itemMargin.Top;
itemLocation = new PointF(
clientRect.X + itemMargin.Left,
clientRect.Y + currentItemOffset);
currentItemOffset += itemSize.Height + itemMargin.Bottom;
break;
case StackViewPosition.Right:
currentItemOffset += itemSize.Width + itemMargin.Right;
itemLocation = new PointF(
clientRect.Right - currentItemOffset,
clientRect.Y + (this.Owner == null ? 0 : itemMargin.Top));
currentItemOffset += itemMargin.Left;
break;
}
return(itemLocation);
}
internal Padding GetItemMargin(RadPageViewStackItem item)
{
StackViewPosition position = this.layoutInfo.position;
Padding margin = item.Margin;
if (!item.AutoFlipMargin)
{
return(margin);
}
switch (position)
{
case StackViewPosition.Left:
return(new Padding(margin.Top, margin.Right, margin.Bottom, margin.Left));
case StackViewPosition.Right:
return(new Padding(margin.Bottom, margin.Left, margin.Top, margin.Right));
default:
return(margin);
}
}
internal System.Windows.Forms.Padding GetItemMargin(RadPageViewStackItem item)
{
StackViewPosition position = this.layoutInfo.position;
System.Windows.Forms.Padding itemMargin = item.Margin;
if (!item.AutoFlipMargin)
{
return(itemMargin);
}
switch (position)
{
case StackViewPosition.Left:
return(new System.Windows.Forms.Padding(itemMargin.Top, itemMargin.Right, itemMargin.Bottom, itemMargin.Left));
case StackViewPosition.Right:
return(new System.Windows.Forms.Padding(itemMargin.Bottom, itemMargin.Left, itemMargin.Top, itemMargin.Right));
default:
return(itemMargin);
}
}
private RectangleF GetStandardContentRectangle(PageViewItemSizeInfo item, RectangleF clientRect)
{
RectangleF contentRectangle = Rectangle.Empty;
SizeF contentAreaSize = this.GetContentSizeForItem(item, clientRect);
float itemsLength = this.layoutInfo.layoutLength;
StackViewPosition position = this.layoutInfo.position;
switch (position)
{
case StackViewPosition.Bottom:
case StackViewPosition.Right:
contentRectangle = new RectangleF(
clientRect.X,
clientRect.Y,
contentAreaSize.Width,
contentAreaSize.Height);
break;
case StackViewPosition.Top:
contentRectangle = new RectangleF(
clientRect.X,
clientRect.Y + itemsLength,
contentAreaSize.Width,
contentAreaSize.Height);
break;
case StackViewPosition.Left:
contentRectangle = new RectangleF(
clientRect.X + itemsLength,
clientRect.Y,
contentAreaSize.Width,
contentAreaSize.Height);
break;
}
return(contentRectangle);
}
