protected override Size MeasureOverride(Size availableSize)
{
this.currentTabWidth = CalculateTabWidth(availableSize);
ParentTabControl.SetCanAddTab(this.currentTabWidth > this.MinTabWidth);
if (_hideAddButton)
{
this.addButton.Visibility = System.Windows.Visibility.Hidden;
}
else if (ParentTabControl.IsAddButtonVisible)
{
this.addButton.Visibility = this.currentTabWidth > this.MinTabWidth ? Visibility.Visible : Visibility.Collapsed;
}
else
{
this.addButton.Visibility = System.Windows.Visibility.Collapsed;
}
double height = double.IsPositiveInfinity(availableSize.Height) ? this.defaultMeasureHeight : availableSize.Height;
Size resultSize = new Size(0, availableSize.Height);
foreach (UIElement child in this.Children)
{
ChromeTabItem item = ItemsControl.ContainerFromElement(this.ParentTabControl, child) as ChromeTabItem;
Size tabSize = new Size(GetWidthForTabItem(item), height - item.Margin.Bottom);
child.Measure(tabSize);
resultSize.Width += child.DesiredSize.Width - overlap;
}
if (ParentTabControl.IsAddButtonVisible)
{
this.addButton.Measure(this.addButtonSize);
resultSize.Width += this.addButtonSize.Width;
}
return(resultSize);
}
protected override Size MeasureOverride(Size availableSize)
{
double activeWidth = double.IsPositiveInfinity(availableSize.Width) ? 500 : availableSize.Width - this.leftMargin - this.rightMargin;
this.currentTabWidth = Math.Min(Math.Max((activeWidth + (this.Children.Count - 1) * overlap) / this.Children.Count, this.minTabWidth), this.maxTabWidth);
ParentTabControl.SetCanAddTab(this.currentTabWidth > this.minTabWidth);
this.addButton.Visibility = this.currentTabWidth > this.minTabWidth ? Visibility.Visible : Visibility.Collapsed;
double height = double.IsPositiveInfinity(availableSize.Height) ? this.defaultMeasureHeight : availableSize.Height;
Size resultSize = new Size(0, availableSize.Height);
foreach (UIElement child in this.Children)
{
ChromeTabItem item = ItemsControl.ContainerFromElement(this.ParentTabControl, child) as ChromeTabItem;
Size tabSize = new Size(this.currentTabWidth, height - item.Margin.Bottom);
child.Measure(tabSize);
resultSize.Width += child.DesiredSize.Width - overlap;
}
this.addButton.Measure(this.addButtonSize);
resultSize.Width += this.addButtonSize.Width;
return(resultSize);
}
protected override Size ArrangeOverride(Size finalSize)
{
this.rightMargin = ParentTabControl.IsAddButtonVisible ? 25 : 0;
double activeWidth = finalSize.Width - this.leftMargin - this.rightMargin;
this.currentTabWidth = Math.Min(Math.Max((activeWidth + (this.Children.Count - 1) * overlap) / this.Children.Count, this.minTabWidth), this.maxTabWidth);
ParentTabControl.SetCanAddTab(this.currentTabWidth > this.minTabWidth);
if (_hideAddButton)
{
this.addButton.Visibility = System.Windows.Visibility.Hidden;
}
else if (ParentTabControl.IsAddButtonVisible)
{
this.addButton.Visibility = this.currentTabWidth > this.minTabWidth ? Visibility.Visible : Visibility.Collapsed;
}
else
{
this.addButton.Visibility = System.Windows.Visibility.Collapsed;
}
this.finalSize = finalSize;
double offset = leftMargin;
foreach (UIElement element in this.Children)
{
double thickness = 0.0;
ChromeTabItem item = ItemsControl.ContainerFromElement(this.ParentTabControl, element) as ChromeTabItem;
thickness = item.Margin.Bottom;
element.Arrange(new Rect(offset, 0, this.currentTabWidth, finalSize.Height - thickness));
offset += this.currentTabWidth - overlap;
}
if (ParentTabControl.IsAddButtonVisible)
{
this.addButtonRect = new Rect(new Point(offset + overlap, (finalSize.Height - this.addButtonSize.Height) / 2), this.addButtonSize);
this.addButton.Arrange(this.addButtonRect);
}
return(finalSize);
}