internal override float GetItemOffset(RectangleF clientRect, PageViewItemSizeInfo sizeInfo, float proposedOffset)
{
int itemSpacing = this.layoutInfo.itemSpacing;
ExplorerBarItemSizeInfo itemSizeInfo = sizeInfo as ExplorerBarItemSizeInfo;
SizeF contentSize = itemSizeInfo.contentSize;
switch (this.layoutInfo.position)
{
case StackViewPosition.Bottom:
case StackViewPosition.Top:
proposedOffset += contentSize.Height;
break;
default:
proposedOffset += contentSize.Width;
break;
}
if (itemSizeInfo.IsExpanded)
{
proposedOffset -= itemSpacing;
}
ExplorerBarLayoutInfo info = this.layoutInfo as ExplorerBarLayoutInfo;
info.fullLayoutLength = (int)proposedOffset;
return(proposedOffset);
}
protected List <ContentAreaLayoutInfo> GetContentAreaLayoutInfos(RectangleF clientRect)
{
RectangleF contentRectangle = Rectangle.Empty;
ExplorerBarLayoutInfo explorerLayoutInfo = this.layoutInfo as ExplorerBarLayoutInfo;
List <ContentAreaLayoutInfo> layoutInfos = new List <ContentAreaLayoutInfo>();
foreach (ExplorerBarItemSizeInfo sizeInfo in explorerLayoutInfo.items)
{
contentRectangle = this.GetContentWithSelectedContentRectangle(sizeInfo, clientRect);
ContentAreaLayoutInfo info = new ContentAreaLayoutInfo();
info.AssociatedItem = sizeInfo.item;
info.ContentAreaRectangle = contentRectangle;
layoutInfos.Add(info);
}
return(layoutInfos);
}
internal virtual float GetContentLength(ExplorerBarItemSizeInfo itemSizeInfo, float availableLength)
{
switch (this.ContentSizeMode)
{
case ExplorerBarContentSizeMode.FixedLength:
return(itemSizeInfo.item.PageLength);
case ExplorerBarContentSizeMode.AutoSizeToBestFit:
if (Owner == null)
{
switch (this.layoutInfo.position)
{
case StackViewPosition.Top:
return(itemSizeInfo.contentSize.Height);
case StackViewPosition.Left:
return(itemSizeInfo.contentSize.Width);
}
}
else
{
Size contentMetrics = this.GetItemContentMetrics(itemSizeInfo);
switch (this.layoutInfo.position)
{
case StackViewPosition.Top:
return(contentMetrics.Height);
case StackViewPosition.Left:
return(contentMetrics.Width);
}
}
break;
case ExplorerBarContentSizeMode.EqualLength:
float itemLength = this.layoutInfo.layoutLength;
ExplorerBarLayoutInfo explorerLayoutInfo = this.layoutInfo as ExplorerBarLayoutInfo;
return((availableLength - itemLength) / explorerLayoutInfo.expandedItemsCount);
}
return(availableLength);
}
protected override RectangleF ArrangeContent(RectangleF clientRect)
{
List <ContentAreaLayoutInfo> layoutInfos = this.GetContentAreaLayoutInfos(clientRect);
ExplorerBarLayoutInfo explLayoutInfo = this.layoutInfo as ExplorerBarLayoutInfo;
explLayoutInfo.fullLayoutLength = explLayoutInfo.layoutLength;
foreach (ContentAreaLayoutInfo contentAreaLayoutInfo in layoutInfos)
{
RadPageViewExplorerBarItem item = (contentAreaLayoutInfo.AssociatedItem as RadPageViewExplorerBarItem);
RadPageViewContentAreaElement contentAreaElement = item.AssociatedContentAreaElement;
contentAreaElement.Arrange(contentAreaLayoutInfo.ContentAreaRectangle);
switch (explLayoutInfo.position)
{
case StackViewPosition.Top:
explLayoutInfo.fullLayoutLength += contentAreaLayoutInfo.ContentAreaRectangle.Height;
break;
case StackViewPosition.Left:
explLayoutInfo.fullLayoutLength += contentAreaLayoutInfo.ContentAreaRectangle.Width;
break;
}
}
this.OnContentBoundsChanged();
switch (explLayoutInfo.position)
{
case StackViewPosition.Top:
if (this.Header.Visibility == ElementVisibility.Visible)
{
explLayoutInfo.fullLayoutLength += this.Header.Margin.Bottom;
}
if (this.Footer.Visibility == ElementVisibility.Visible)
{
explLayoutInfo.fullLayoutLength += this.Footer.Margin.Top;
}
break;
}
explLayoutInfo.fullLayoutLength -= explLayoutInfo.expandedItemsCount * explLayoutInfo.itemSpacing;
return(clientRect);
}
protected virtual void UpdateScrollbarMetrics(RectangleF clientRect)
{
ExplorerBarLayoutInfo explorerBarLayoutInfo = this.layoutInfo as ExplorerBarLayoutInfo;
switch (explorerBarLayoutInfo.position)
{
case StackViewPosition.Top:
this.scrollbar.LargeChange = (int)clientRect.Height;
break;
case StackViewPosition.Left:
this.scrollbar.LargeChange = (int)clientRect.Width;
break;
}
this.scrollbar.Minimum = 0;
if (explorerBarLayoutInfo.fullLayoutLength != this.scrollbar.Maximum)
{
this.scrollbar.Maximum = (int)explorerBarLayoutInfo.fullLayoutLength;
}
}
protected virtual bool CheckShowScrollbar(RectangleF clientRect)
{
ExplorerBarLayoutInfo explorerBarLayoutInfo = this.layoutInfo as ExplorerBarLayoutInfo;
switch (explorerBarLayoutInfo.position)
{
case StackViewPosition.Top:
if (clientRect.Height < explorerBarLayoutInfo.fullLayoutLength)
{
return(true);
}
break;
case StackViewPosition.Left:
if (clientRect.Width < explorerBarLayoutInfo.fullLayoutLength)
{
return(true);
}
break;
}
return(false);
}