private ContentTabItem CreateContentTabItem()
{
ContentTabItem tabItem = new ContentTabItem();
if (this.ContentTabHeaderContent != null)
{
tabItem.Header = this.ContentTabHeaderContent;
}
else
{
FabTabResources rd = new FabTabResources();
tabItem.Header = rd.DefaultContentTabHeader;
}
return(tabItem);
}
private void UpdateContentsTabDropdown()
{
ContentTabItem contentTab = this.ItemContainerGenerator.ContainerFromIndex(0) as ContentTabItem;
if (contentTab != null)
{
contentTab.ApplyTemplate();
_contentsTabComboBox = contentTab.Template.FindName("PART_tabHeaderComboBox", contentTab) as ComboBox;
_contentsTabComboBox.SelectionChanged -= new SelectionChangedEventHandler(combo_SelectionChanged);
_contentsTabComboBox.Items.Clear();
if (_contentsTabComboBox != null)
{
this.Items.ForEach(AddFabTabItemHeaderIntoContentTabDropDown);
//now wire up to the combo to select tabs
_contentsTabComboBox.SelectionChanged += new SelectionChangedEventHandler(combo_SelectionChanged);
}
}
}
protected override DependencyObject GetContainerForItemOverride()
{
//Added some extra _contentTabview stuff in this method in the if conditional
//as well as nulling it out outside of the if conditional. Also had to
//null out _contentTabView in OnSelectionChanged. All these changes were necessary
//because of some differing behavior in .NET 4.0 beta for when IsItemsItsOwnContainer
//gets called which caused me state issues with_contentTabView.
if (_itemsStrategy == null)
{
SetupItemsStrategy();
}
if (_contentTabView != null)
{
ContentTabItem tabItem = CreateContentTabItem();
_contentTabView = null;
return(tabItem);
}
return(CreateNewFabTabItemAndWireUpClosingEvent());
}
// This Panel lays its children out horizontally.
// If all children cannot fit in the allocated space,
// the available space is divided proportionally between them.
protected override Size MeasureOverride(Size availableSize)
{
if (!this.AllowMultiLineTabHeaders)
{
// See how much room the children want
double width = 0.0;
this._rowHeight = 0.0;
foreach (UIElement element in this.Children)
{
element.Measure(availableSize);
Size size = this.GetDesiredSizeLessMargin(element);
this._rowHeight = Math.Max(this._rowHeight, size.Height);
width += size.Width;
}
// If not enough room, scale the
// children to the available width
if (width > availableSize.Width)
{
ContentTabItem contentTabItem = this.Children[0] as ContentTabItem;
if (contentTabItem != null)
{
//there's a content tab, we don't want to narrow it, so take that into account in calculating
//the scalefactor
this._scaleFactor = (availableSize.Width - contentTabItem.DesiredSize.Width) / width;
}
else
{
//scale factor calculated based upon all tabs, there's no contenttab whose width
//we want to preserve
this._scaleFactor = availableSize.Width / width;
}
width = 0.0;
foreach (UIElement element in this.Children)
{
if (!(element is ContentTabItem) && (!(element as TabItem).IsSelected))
{
element.Measure(new Size(element.DesiredSize.Width * this._scaleFactor, availableSize.Height));
}
else
{
//give the full width to the ContentTab and the currently selected tab
element.Measure(new Size(element.DesiredSize.Width, availableSize.Height));
}
width += element.DesiredSize.Width;
}
}
else
{
this._scaleFactor = 1.0;
}
return(new Size(width, this._rowHeight));
}
else
{
return(base.MeasureOverride(availableSize));
}
}
private ContentTabItem CreateContentTabItem()
{
ContentTabItem tabItem = new ContentTabItem();
if (this.ContentTabHeaderContent != null)
{
tabItem.Header = this.ContentTabHeaderContent;
}
else
{
FabTabResources rd = new FabTabResources();
tabItem.Header = rd.DefaultContentTabHeader;
}
return tabItem;
}
